mirror of https://gitee.com/openkylin/qemu.git
7277 lines
184 KiB
C
7277 lines
184 KiB
C
/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2006 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h"
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#include <unistd.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <time.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <zlib.h>
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#ifndef _WIN32
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#include <sys/times.h>
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#include <sys/wait.h>
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#include <termios.h>
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#include <sys/poll.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <dirent.h>
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#include <netdb.h>
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#ifdef _BSD
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#include <sys/stat.h>
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#ifndef __APPLE__
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#include <libutil.h>
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#endif
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#else
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#ifndef __sun__
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#include <linux/if.h>
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#include <linux/if_tun.h>
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#include <pty.h>
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#include <malloc.h>
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#include <linux/rtc.h>
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#include <linux/ppdev.h>
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#endif
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#endif
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#endif
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#if defined(CONFIG_SLIRP)
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#include "libslirp.h"
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#endif
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#ifdef _WIN32
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#include <malloc.h>
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#include <sys/timeb.h>
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#include <windows.h>
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#define getopt_long_only getopt_long
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#define memalign(align, size) malloc(size)
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#endif
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#include "qemu_socket.h"
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#ifdef CONFIG_SDL
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#ifdef __APPLE__
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#include <SDL/SDL.h>
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#endif
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#endif /* CONFIG_SDL */
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#ifdef CONFIG_COCOA
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#undef main
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#define main qemu_main
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#endif /* CONFIG_COCOA */
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#include "disas.h"
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#include "exec-all.h"
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#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
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#ifdef __sun__
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#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
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#else
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#define SMBD_COMMAND "/usr/sbin/smbd"
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#endif
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//#define DEBUG_UNUSED_IOPORT
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//#define DEBUG_IOPORT
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#define PHYS_RAM_MAX_SIZE (2047 * 1024 * 1024)
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#ifdef TARGET_PPC
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#define DEFAULT_RAM_SIZE 144
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#else
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#define DEFAULT_RAM_SIZE 128
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#endif
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/* in ms */
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#define GUI_REFRESH_INTERVAL 30
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/* Max number of USB devices that can be specified on the commandline. */
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#define MAX_USB_CMDLINE 8
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/* XXX: use a two level table to limit memory usage */
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#define MAX_IOPORTS 65536
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const char *bios_dir = CONFIG_QEMU_SHAREDIR;
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char phys_ram_file[1024];
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void *ioport_opaque[MAX_IOPORTS];
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IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS];
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IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
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/* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
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to store the VM snapshots */
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BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
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/* point to the block driver where the snapshots are managed */
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BlockDriverState *bs_snapshots;
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int vga_ram_size;
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int bios_size;
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static DisplayState display_state;
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int nographic;
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const char* keyboard_layout = NULL;
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int64_t ticks_per_sec;
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int boot_device = 'c';
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int ram_size;
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int pit_min_timer_count = 0;
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int nb_nics;
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NICInfo nd_table[MAX_NICS];
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QEMUTimer *gui_timer;
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int vm_running;
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int rtc_utc = 1;
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int cirrus_vga_enabled = 1;
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#ifdef TARGET_SPARC
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int graphic_width = 1024;
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int graphic_height = 768;
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#else
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int graphic_width = 800;
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int graphic_height = 600;
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#endif
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int graphic_depth = 15;
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int full_screen = 0;
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int no_quit = 0;
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CharDriverState *serial_hds[MAX_SERIAL_PORTS];
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CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
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#ifdef TARGET_I386
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int win2k_install_hack = 0;
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#endif
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int usb_enabled = 0;
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static VLANState *first_vlan;
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int smp_cpus = 1;
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const char *vnc_display;
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#if defined(TARGET_SPARC)
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#define MAX_CPUS 16
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#elif defined(TARGET_I386)
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#define MAX_CPUS 255
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#else
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#define MAX_CPUS 1
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#endif
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int acpi_enabled = 1;
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int fd_bootchk = 1;
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int no_reboot = 0;
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int daemonize = 0;
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const char *option_rom[MAX_OPTION_ROMS];
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int nb_option_roms;
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int semihosting_enabled = 0;
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int autostart = 1;
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/***********************************************************/
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/* x86 ISA bus support */
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target_phys_addr_t isa_mem_base = 0;
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PicState2 *isa_pic;
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uint32_t default_ioport_readb(void *opaque, uint32_t address)
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{
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "inb: port=0x%04x\n", address);
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#endif
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return 0xff;
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}
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void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
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{
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
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#endif
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}
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/* default is to make two byte accesses */
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uint32_t default_ioport_readw(void *opaque, uint32_t address)
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{
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uint32_t data;
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data = ioport_read_table[0][address](ioport_opaque[address], address);
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address = (address + 1) & (MAX_IOPORTS - 1);
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data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
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return data;
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}
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void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
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{
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ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
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address = (address + 1) & (MAX_IOPORTS - 1);
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ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
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}
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uint32_t default_ioport_readl(void *opaque, uint32_t address)
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{
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "inl: port=0x%04x\n", address);
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#endif
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return 0xffffffff;
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}
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void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
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{
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#ifdef DEBUG_UNUSED_IOPORT
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fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
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#endif
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}
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void init_ioports(void)
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{
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int i;
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for(i = 0; i < MAX_IOPORTS; i++) {
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ioport_read_table[0][i] = default_ioport_readb;
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ioport_write_table[0][i] = default_ioport_writeb;
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ioport_read_table[1][i] = default_ioport_readw;
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ioport_write_table[1][i] = default_ioport_writew;
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ioport_read_table[2][i] = default_ioport_readl;
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ioport_write_table[2][i] = default_ioport_writel;
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}
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}
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/* size is the word size in byte */
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int register_ioport_read(int start, int length, int size,
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IOPortReadFunc *func, void *opaque)
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{
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int i, bsize;
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if (size == 1) {
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bsize = 0;
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} else if (size == 2) {
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bsize = 1;
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} else if (size == 4) {
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bsize = 2;
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} else {
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hw_error("register_ioport_read: invalid size");
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return -1;
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}
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for(i = start; i < start + length; i += size) {
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ioport_read_table[bsize][i] = func;
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if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
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hw_error("register_ioport_read: invalid opaque");
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ioport_opaque[i] = opaque;
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}
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return 0;
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}
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/* size is the word size in byte */
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int register_ioport_write(int start, int length, int size,
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IOPortWriteFunc *func, void *opaque)
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{
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int i, bsize;
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if (size == 1) {
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bsize = 0;
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} else if (size == 2) {
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bsize = 1;
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} else if (size == 4) {
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bsize = 2;
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} else {
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hw_error("register_ioport_write: invalid size");
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return -1;
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}
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for(i = start; i < start + length; i += size) {
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ioport_write_table[bsize][i] = func;
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if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
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hw_error("register_ioport_write: invalid opaque");
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ioport_opaque[i] = opaque;
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}
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return 0;
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}
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void isa_unassign_ioport(int start, int length)
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{
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int i;
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for(i = start; i < start + length; i++) {
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ioport_read_table[0][i] = default_ioport_readb;
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ioport_read_table[1][i] = default_ioport_readw;
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ioport_read_table[2][i] = default_ioport_readl;
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ioport_write_table[0][i] = default_ioport_writeb;
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ioport_write_table[1][i] = default_ioport_writew;
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ioport_write_table[2][i] = default_ioport_writel;
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}
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}
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/***********************************************************/
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void cpu_outb(CPUState *env, int addr, int val)
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{
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outb: %04x %02x\n", addr, val);
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#endif
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ioport_write_table[0][addr](ioport_opaque[addr], addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast();
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#endif
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}
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void cpu_outw(CPUState *env, int addr, int val)
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{
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outw: %04x %04x\n", addr, val);
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#endif
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ioport_write_table[1][addr](ioport_opaque[addr], addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast();
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#endif
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}
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void cpu_outl(CPUState *env, int addr, int val)
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{
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "outl: %04x %08x\n", addr, val);
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#endif
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ioport_write_table[2][addr](ioport_opaque[addr], addr, val);
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast();
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#endif
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}
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int cpu_inb(CPUState *env, int addr)
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{
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int val;
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val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inb : %04x %02x\n", addr, val);
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#endif
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast();
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#endif
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return val;
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}
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int cpu_inw(CPUState *env, int addr)
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{
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int val;
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val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inw : %04x %04x\n", addr, val);
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#endif
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast();
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#endif
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return val;
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}
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int cpu_inl(CPUState *env, int addr)
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{
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int val;
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val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
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#ifdef DEBUG_IOPORT
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if (loglevel & CPU_LOG_IOPORT)
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fprintf(logfile, "inl : %04x %08x\n", addr, val);
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#endif
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#ifdef USE_KQEMU
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if (env)
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env->last_io_time = cpu_get_time_fast();
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#endif
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return val;
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}
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/***********************************************************/
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void hw_error(const char *fmt, ...)
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{
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va_list ap;
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CPUState *env;
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va_start(ap, fmt);
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fprintf(stderr, "qemu: hardware error: ");
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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for(env = first_cpu; env != NULL; env = env->next_cpu) {
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fprintf(stderr, "CPU #%d:\n", env->cpu_index);
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#ifdef TARGET_I386
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cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU);
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#else
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cpu_dump_state(env, stderr, fprintf, 0);
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#endif
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}
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va_end(ap);
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abort();
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}
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/***********************************************************/
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/* keyboard/mouse */
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static QEMUPutKBDEvent *qemu_put_kbd_event;
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static void *qemu_put_kbd_event_opaque;
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static QEMUPutMouseEntry *qemu_put_mouse_event_head;
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static QEMUPutMouseEntry *qemu_put_mouse_event_current;
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void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
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{
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qemu_put_kbd_event_opaque = opaque;
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qemu_put_kbd_event = func;
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}
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QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
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void *opaque, int absolute,
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const char *name)
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{
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QEMUPutMouseEntry *s, *cursor;
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s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
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if (!s)
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return NULL;
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s->qemu_put_mouse_event = func;
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s->qemu_put_mouse_event_opaque = opaque;
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s->qemu_put_mouse_event_absolute = absolute;
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s->qemu_put_mouse_event_name = qemu_strdup(name);
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s->next = NULL;
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if (!qemu_put_mouse_event_head) {
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qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
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return s;
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}
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cursor = qemu_put_mouse_event_head;
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while (cursor->next != NULL)
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cursor = cursor->next;
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cursor->next = s;
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qemu_put_mouse_event_current = s;
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return s;
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}
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void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
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{
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QEMUPutMouseEntry *prev = NULL, *cursor;
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if (!qemu_put_mouse_event_head || entry == NULL)
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return;
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cursor = qemu_put_mouse_event_head;
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while (cursor != NULL && cursor != entry) {
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prev = cursor;
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cursor = cursor->next;
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}
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if (cursor == NULL) // does not exist or list empty
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return;
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else if (prev == NULL) { // entry is head
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qemu_put_mouse_event_head = cursor->next;
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if (qemu_put_mouse_event_current == entry)
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qemu_put_mouse_event_current = cursor->next;
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qemu_free(entry->qemu_put_mouse_event_name);
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qemu_free(entry);
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return;
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}
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prev->next = entry->next;
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if (qemu_put_mouse_event_current == entry)
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qemu_put_mouse_event_current = prev;
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qemu_free(entry->qemu_put_mouse_event_name);
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qemu_free(entry);
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}
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void kbd_put_keycode(int keycode)
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{
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if (qemu_put_kbd_event) {
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qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
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}
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}
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void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
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{
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QEMUPutMouseEvent *mouse_event;
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void *mouse_event_opaque;
|
|
|
|
if (!qemu_put_mouse_event_current) {
|
|
return;
|
|
}
|
|
|
|
mouse_event =
|
|
qemu_put_mouse_event_current->qemu_put_mouse_event;
|
|
mouse_event_opaque =
|
|
qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
|
|
|
|
if (mouse_event) {
|
|
mouse_event(mouse_event_opaque, dx, dy, dz, buttons_state);
|
|
}
|
|
}
|
|
|
|
int kbd_mouse_is_absolute(void)
|
|
{
|
|
if (!qemu_put_mouse_event_current)
|
|
return 0;
|
|
|
|
return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
|
|
}
|
|
|
|
void do_info_mice(void)
|
|
{
|
|
QEMUPutMouseEntry *cursor;
|
|
int index = 0;
|
|
|
|
if (!qemu_put_mouse_event_head) {
|
|
term_printf("No mouse devices connected\n");
|
|
return;
|
|
}
|
|
|
|
term_printf("Mouse devices available:\n");
|
|
cursor = qemu_put_mouse_event_head;
|
|
while (cursor != NULL) {
|
|
term_printf("%c Mouse #%d: %s\n",
|
|
(cursor == qemu_put_mouse_event_current ? '*' : ' '),
|
|
index, cursor->qemu_put_mouse_event_name);
|
|
index++;
|
|
cursor = cursor->next;
|
|
}
|
|
}
|
|
|
|
void do_mouse_set(int index)
|
|
{
|
|
QEMUPutMouseEntry *cursor;
|
|
int i = 0;
|
|
|
|
if (!qemu_put_mouse_event_head) {
|
|
term_printf("No mouse devices connected\n");
|
|
return;
|
|
}
|
|
|
|
cursor = qemu_put_mouse_event_head;
|
|
while (cursor != NULL && index != i) {
|
|
i++;
|
|
cursor = cursor->next;
|
|
}
|
|
|
|
if (cursor != NULL)
|
|
qemu_put_mouse_event_current = cursor;
|
|
else
|
|
term_printf("Mouse at given index not found\n");
|
|
}
|
|
|
|
/* compute with 96 bit intermediate result: (a*b)/c */
|
|
uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
|
|
{
|
|
union {
|
|
uint64_t ll;
|
|
struct {
|
|
#ifdef WORDS_BIGENDIAN
|
|
uint32_t high, low;
|
|
#else
|
|
uint32_t low, high;
|
|
#endif
|
|
} l;
|
|
} u, res;
|
|
uint64_t rl, rh;
|
|
|
|
u.ll = a;
|
|
rl = (uint64_t)u.l.low * (uint64_t)b;
|
|
rh = (uint64_t)u.l.high * (uint64_t)b;
|
|
rh += (rl >> 32);
|
|
res.l.high = rh / c;
|
|
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
|
|
return res.ll;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* real time host monotonic timer */
|
|
|
|
#define QEMU_TIMER_BASE 1000000000LL
|
|
|
|
#ifdef WIN32
|
|
|
|
static int64_t clock_freq;
|
|
|
|
static void init_get_clock(void)
|
|
{
|
|
LARGE_INTEGER freq;
|
|
int ret;
|
|
ret = QueryPerformanceFrequency(&freq);
|
|
if (ret == 0) {
|
|
fprintf(stderr, "Could not calibrate ticks\n");
|
|
exit(1);
|
|
}
|
|
clock_freq = freq.QuadPart;
|
|
}
|
|
|
|
static int64_t get_clock(void)
|
|
{
|
|
LARGE_INTEGER ti;
|
|
QueryPerformanceCounter(&ti);
|
|
return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq);
|
|
}
|
|
|
|
#else
|
|
|
|
static int use_rt_clock;
|
|
|
|
static void init_get_clock(void)
|
|
{
|
|
use_rt_clock = 0;
|
|
#if defined(__linux__)
|
|
{
|
|
struct timespec ts;
|
|
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
|
|
use_rt_clock = 1;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static int64_t get_clock(void)
|
|
{
|
|
#if defined(__linux__)
|
|
if (use_rt_clock) {
|
|
struct timespec ts;
|
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
return ts.tv_sec * 1000000000LL + ts.tv_nsec;
|
|
} else
|
|
#endif
|
|
{
|
|
/* XXX: using gettimeofday leads to problems if the date
|
|
changes, so it should be avoided. */
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000);
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* guest cycle counter */
|
|
|
|
static int64_t cpu_ticks_prev;
|
|
static int64_t cpu_ticks_offset;
|
|
static int64_t cpu_clock_offset;
|
|
static int cpu_ticks_enabled;
|
|
|
|
/* return the host CPU cycle counter and handle stop/restart */
|
|
int64_t cpu_get_ticks(void)
|
|
{
|
|
if (!cpu_ticks_enabled) {
|
|
return cpu_ticks_offset;
|
|
} else {
|
|
int64_t ticks;
|
|
ticks = cpu_get_real_ticks();
|
|
if (cpu_ticks_prev > ticks) {
|
|
/* Note: non increasing ticks may happen if the host uses
|
|
software suspend */
|
|
cpu_ticks_offset += cpu_ticks_prev - ticks;
|
|
}
|
|
cpu_ticks_prev = ticks;
|
|
return ticks + cpu_ticks_offset;
|
|
}
|
|
}
|
|
|
|
/* return the host CPU monotonic timer and handle stop/restart */
|
|
static int64_t cpu_get_clock(void)
|
|
{
|
|
int64_t ti;
|
|
if (!cpu_ticks_enabled) {
|
|
return cpu_clock_offset;
|
|
} else {
|
|
ti = get_clock();
|
|
return ti + cpu_clock_offset;
|
|
}
|
|
}
|
|
|
|
/* enable cpu_get_ticks() */
|
|
void cpu_enable_ticks(void)
|
|
{
|
|
if (!cpu_ticks_enabled) {
|
|
cpu_ticks_offset -= cpu_get_real_ticks();
|
|
cpu_clock_offset -= get_clock();
|
|
cpu_ticks_enabled = 1;
|
|
}
|
|
}
|
|
|
|
/* disable cpu_get_ticks() : the clock is stopped. You must not call
|
|
cpu_get_ticks() after that. */
|
|
void cpu_disable_ticks(void)
|
|
{
|
|
if (cpu_ticks_enabled) {
|
|
cpu_ticks_offset = cpu_get_ticks();
|
|
cpu_clock_offset = cpu_get_clock();
|
|
cpu_ticks_enabled = 0;
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* timers */
|
|
|
|
#define QEMU_TIMER_REALTIME 0
|
|
#define QEMU_TIMER_VIRTUAL 1
|
|
|
|
struct QEMUClock {
|
|
int type;
|
|
/* XXX: add frequency */
|
|
};
|
|
|
|
struct QEMUTimer {
|
|
QEMUClock *clock;
|
|
int64_t expire_time;
|
|
QEMUTimerCB *cb;
|
|
void *opaque;
|
|
struct QEMUTimer *next;
|
|
};
|
|
|
|
QEMUClock *rt_clock;
|
|
QEMUClock *vm_clock;
|
|
|
|
static QEMUTimer *active_timers[2];
|
|
#ifdef _WIN32
|
|
static MMRESULT timerID;
|
|
static HANDLE host_alarm = NULL;
|
|
static unsigned int period = 1;
|
|
#else
|
|
/* frequency of the times() clock tick */
|
|
static int timer_freq;
|
|
#endif
|
|
|
|
QEMUClock *qemu_new_clock(int type)
|
|
{
|
|
QEMUClock *clock;
|
|
clock = qemu_mallocz(sizeof(QEMUClock));
|
|
if (!clock)
|
|
return NULL;
|
|
clock->type = type;
|
|
return clock;
|
|
}
|
|
|
|
QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque)
|
|
{
|
|
QEMUTimer *ts;
|
|
|
|
ts = qemu_mallocz(sizeof(QEMUTimer));
|
|
ts->clock = clock;
|
|
ts->cb = cb;
|
|
ts->opaque = opaque;
|
|
return ts;
|
|
}
|
|
|
|
void qemu_free_timer(QEMUTimer *ts)
|
|
{
|
|
qemu_free(ts);
|
|
}
|
|
|
|
/* stop a timer, but do not dealloc it */
|
|
void qemu_del_timer(QEMUTimer *ts)
|
|
{
|
|
QEMUTimer **pt, *t;
|
|
|
|
/* NOTE: this code must be signal safe because
|
|
qemu_timer_expired() can be called from a signal. */
|
|
pt = &active_timers[ts->clock->type];
|
|
for(;;) {
|
|
t = *pt;
|
|
if (!t)
|
|
break;
|
|
if (t == ts) {
|
|
*pt = t->next;
|
|
break;
|
|
}
|
|
pt = &t->next;
|
|
}
|
|
}
|
|
|
|
/* modify the current timer so that it will be fired when current_time
|
|
>= expire_time. The corresponding callback will be called. */
|
|
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time)
|
|
{
|
|
QEMUTimer **pt, *t;
|
|
|
|
qemu_del_timer(ts);
|
|
|
|
/* add the timer in the sorted list */
|
|
/* NOTE: this code must be signal safe because
|
|
qemu_timer_expired() can be called from a signal. */
|
|
pt = &active_timers[ts->clock->type];
|
|
for(;;) {
|
|
t = *pt;
|
|
if (!t)
|
|
break;
|
|
if (t->expire_time > expire_time)
|
|
break;
|
|
pt = &t->next;
|
|
}
|
|
ts->expire_time = expire_time;
|
|
ts->next = *pt;
|
|
*pt = ts;
|
|
}
|
|
|
|
int qemu_timer_pending(QEMUTimer *ts)
|
|
{
|
|
QEMUTimer *t;
|
|
for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) {
|
|
if (t == ts)
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time)
|
|
{
|
|
if (!timer_head)
|
|
return 0;
|
|
return (timer_head->expire_time <= current_time);
|
|
}
|
|
|
|
static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time)
|
|
{
|
|
QEMUTimer *ts;
|
|
|
|
for(;;) {
|
|
ts = *ptimer_head;
|
|
if (!ts || ts->expire_time > current_time)
|
|
break;
|
|
/* remove timer from the list before calling the callback */
|
|
*ptimer_head = ts->next;
|
|
ts->next = NULL;
|
|
|
|
/* run the callback (the timer list can be modified) */
|
|
ts->cb(ts->opaque);
|
|
}
|
|
}
|
|
|
|
int64_t qemu_get_clock(QEMUClock *clock)
|
|
{
|
|
switch(clock->type) {
|
|
case QEMU_TIMER_REALTIME:
|
|
return get_clock() / 1000000;
|
|
default:
|
|
case QEMU_TIMER_VIRTUAL:
|
|
return cpu_get_clock();
|
|
}
|
|
}
|
|
|
|
static void init_timers(void)
|
|
{
|
|
init_get_clock();
|
|
ticks_per_sec = QEMU_TIMER_BASE;
|
|
rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME);
|
|
vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL);
|
|
}
|
|
|
|
/* save a timer */
|
|
void qemu_put_timer(QEMUFile *f, QEMUTimer *ts)
|
|
{
|
|
uint64_t expire_time;
|
|
|
|
if (qemu_timer_pending(ts)) {
|
|
expire_time = ts->expire_time;
|
|
} else {
|
|
expire_time = -1;
|
|
}
|
|
qemu_put_be64(f, expire_time);
|
|
}
|
|
|
|
void qemu_get_timer(QEMUFile *f, QEMUTimer *ts)
|
|
{
|
|
uint64_t expire_time;
|
|
|
|
expire_time = qemu_get_be64(f);
|
|
if (expire_time != -1) {
|
|
qemu_mod_timer(ts, expire_time);
|
|
} else {
|
|
qemu_del_timer(ts);
|
|
}
|
|
}
|
|
|
|
static void timer_save(QEMUFile *f, void *opaque)
|
|
{
|
|
if (cpu_ticks_enabled) {
|
|
hw_error("cannot save state if virtual timers are running");
|
|
}
|
|
qemu_put_be64s(f, &cpu_ticks_offset);
|
|
qemu_put_be64s(f, &ticks_per_sec);
|
|
qemu_put_be64s(f, &cpu_clock_offset);
|
|
}
|
|
|
|
static int timer_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
if (version_id != 1 && version_id != 2)
|
|
return -EINVAL;
|
|
if (cpu_ticks_enabled) {
|
|
return -EINVAL;
|
|
}
|
|
qemu_get_be64s(f, &cpu_ticks_offset);
|
|
qemu_get_be64s(f, &ticks_per_sec);
|
|
if (version_id == 2) {
|
|
qemu_get_be64s(f, &cpu_clock_offset);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg,
|
|
DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
|
|
#else
|
|
static void host_alarm_handler(int host_signum)
|
|
#endif
|
|
{
|
|
#if 0
|
|
#define DISP_FREQ 1000
|
|
{
|
|
static int64_t delta_min = INT64_MAX;
|
|
static int64_t delta_max, delta_cum, last_clock, delta, ti;
|
|
static int count;
|
|
ti = qemu_get_clock(vm_clock);
|
|
if (last_clock != 0) {
|
|
delta = ti - last_clock;
|
|
if (delta < delta_min)
|
|
delta_min = delta;
|
|
if (delta > delta_max)
|
|
delta_max = delta;
|
|
delta_cum += delta;
|
|
if (++count == DISP_FREQ) {
|
|
printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n",
|
|
muldiv64(delta_min, 1000000, ticks_per_sec),
|
|
muldiv64(delta_max, 1000000, ticks_per_sec),
|
|
muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec),
|
|
(double)ticks_per_sec / ((double)delta_cum / DISP_FREQ));
|
|
count = 0;
|
|
delta_min = INT64_MAX;
|
|
delta_max = 0;
|
|
delta_cum = 0;
|
|
}
|
|
}
|
|
last_clock = ti;
|
|
}
|
|
#endif
|
|
if (qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL],
|
|
qemu_get_clock(vm_clock)) ||
|
|
qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME],
|
|
qemu_get_clock(rt_clock))) {
|
|
#ifdef _WIN32
|
|
SetEvent(host_alarm);
|
|
#endif
|
|
CPUState *env = cpu_single_env;
|
|
if (env) {
|
|
/* stop the currently executing cpu because a timer occured */
|
|
cpu_interrupt(env, CPU_INTERRUPT_EXIT);
|
|
#ifdef USE_KQEMU
|
|
if (env->kqemu_enabled) {
|
|
kqemu_cpu_interrupt(env);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
|
|
#if defined(__linux__)
|
|
|
|
#define RTC_FREQ 1024
|
|
|
|
static int rtc_fd;
|
|
|
|
static int start_rtc_timer(void)
|
|
{
|
|
rtc_fd = open("/dev/rtc", O_RDONLY);
|
|
if (rtc_fd < 0)
|
|
return -1;
|
|
if (ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) {
|
|
fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n"
|
|
"error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n"
|
|
"type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n");
|
|
goto fail;
|
|
}
|
|
if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) {
|
|
fail:
|
|
close(rtc_fd);
|
|
return -1;
|
|
}
|
|
pit_min_timer_count = PIT_FREQ / RTC_FREQ;
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
static int start_rtc_timer(void)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
#endif /* !defined(__linux__) */
|
|
|
|
#endif /* !defined(_WIN32) */
|
|
|
|
static void init_timer_alarm(void)
|
|
{
|
|
#ifdef _WIN32
|
|
{
|
|
int count=0;
|
|
TIMECAPS tc;
|
|
|
|
ZeroMemory(&tc, sizeof(TIMECAPS));
|
|
timeGetDevCaps(&tc, sizeof(TIMECAPS));
|
|
if (period < tc.wPeriodMin)
|
|
period = tc.wPeriodMin;
|
|
timeBeginPeriod(period);
|
|
timerID = timeSetEvent(1, // interval (ms)
|
|
period, // resolution
|
|
host_alarm_handler, // function
|
|
(DWORD)&count, // user parameter
|
|
TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
|
|
if( !timerID ) {
|
|
perror("failed timer alarm");
|
|
exit(1);
|
|
}
|
|
host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
if (!host_alarm) {
|
|
perror("failed CreateEvent");
|
|
exit(1);
|
|
}
|
|
qemu_add_wait_object(host_alarm, NULL, NULL);
|
|
}
|
|
pit_min_timer_count = ((uint64_t)10000 * PIT_FREQ) / 1000000;
|
|
#else
|
|
{
|
|
struct sigaction act;
|
|
struct itimerval itv;
|
|
|
|
/* get times() syscall frequency */
|
|
timer_freq = sysconf(_SC_CLK_TCK);
|
|
|
|
/* timer signal */
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
|
act.sa_flags |= SA_ONSTACK;
|
|
#endif
|
|
act.sa_handler = host_alarm_handler;
|
|
sigaction(SIGALRM, &act, NULL);
|
|
|
|
itv.it_interval.tv_sec = 0;
|
|
itv.it_interval.tv_usec = 999; /* for i386 kernel 2.6 to get 1 ms */
|
|
itv.it_value.tv_sec = 0;
|
|
itv.it_value.tv_usec = 10 * 1000;
|
|
setitimer(ITIMER_REAL, &itv, NULL);
|
|
/* we probe the tick duration of the kernel to inform the user if
|
|
the emulated kernel requested a too high timer frequency */
|
|
getitimer(ITIMER_REAL, &itv);
|
|
|
|
#if defined(__linux__)
|
|
/* XXX: force /dev/rtc usage because even 2.6 kernels may not
|
|
have timers with 1 ms resolution. The correct solution will
|
|
be to use the POSIX real time timers available in recent
|
|
2.6 kernels */
|
|
if (itv.it_interval.tv_usec > 1000 || 1) {
|
|
/* try to use /dev/rtc to have a faster timer */
|
|
if (start_rtc_timer() < 0)
|
|
goto use_itimer;
|
|
/* disable itimer */
|
|
itv.it_interval.tv_sec = 0;
|
|
itv.it_interval.tv_usec = 0;
|
|
itv.it_value.tv_sec = 0;
|
|
itv.it_value.tv_usec = 0;
|
|
setitimer(ITIMER_REAL, &itv, NULL);
|
|
|
|
/* use the RTC */
|
|
sigaction(SIGIO, &act, NULL);
|
|
fcntl(rtc_fd, F_SETFL, O_ASYNC);
|
|
fcntl(rtc_fd, F_SETOWN, getpid());
|
|
} else
|
|
#endif /* defined(__linux__) */
|
|
{
|
|
use_itimer:
|
|
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
|
|
PIT_FREQ) / 1000000;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void quit_timers(void)
|
|
{
|
|
#ifdef _WIN32
|
|
timeKillEvent(timerID);
|
|
timeEndPeriod(period);
|
|
if (host_alarm) {
|
|
CloseHandle(host_alarm);
|
|
host_alarm = NULL;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* character device */
|
|
|
|
static void qemu_chr_event(CharDriverState *s, int event)
|
|
{
|
|
if (!s->chr_event)
|
|
return;
|
|
s->chr_event(s->handler_opaque, event);
|
|
}
|
|
|
|
static void qemu_chr_reset_bh(void *opaque)
|
|
{
|
|
CharDriverState *s = opaque;
|
|
qemu_chr_event(s, CHR_EVENT_RESET);
|
|
qemu_bh_delete(s->bh);
|
|
s->bh = NULL;
|
|
}
|
|
|
|
void qemu_chr_reset(CharDriverState *s)
|
|
{
|
|
if (s->bh == NULL) {
|
|
s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
|
|
qemu_bh_schedule(s->bh);
|
|
}
|
|
}
|
|
|
|
int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
|
|
{
|
|
return s->chr_write(s, buf, len);
|
|
}
|
|
|
|
int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
|
|
{
|
|
if (!s->chr_ioctl)
|
|
return -ENOTSUP;
|
|
return s->chr_ioctl(s, cmd, arg);
|
|
}
|
|
|
|
int qemu_chr_can_read(CharDriverState *s)
|
|
{
|
|
if (!s->chr_can_read)
|
|
return 0;
|
|
return s->chr_can_read(s->handler_opaque);
|
|
}
|
|
|
|
void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
|
|
{
|
|
s->chr_read(s->handler_opaque, buf, len);
|
|
}
|
|
|
|
|
|
void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
|
|
{
|
|
char buf[4096];
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vsnprintf(buf, sizeof(buf), fmt, ap);
|
|
qemu_chr_write(s, buf, strlen(buf));
|
|
va_end(ap);
|
|
}
|
|
|
|
void qemu_chr_send_event(CharDriverState *s, int event)
|
|
{
|
|
if (s->chr_send_event)
|
|
s->chr_send_event(s, event);
|
|
}
|
|
|
|
void qemu_chr_add_handlers(CharDriverState *s,
|
|
IOCanRWHandler *fd_can_read,
|
|
IOReadHandler *fd_read,
|
|
IOEventHandler *fd_event,
|
|
void *opaque)
|
|
{
|
|
s->chr_can_read = fd_can_read;
|
|
s->chr_read = fd_read;
|
|
s->chr_event = fd_event;
|
|
s->handler_opaque = opaque;
|
|
if (s->chr_update_read_handler)
|
|
s->chr_update_read_handler(s);
|
|
}
|
|
|
|
static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
return len;
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_null(void)
|
|
{
|
|
CharDriverState *chr;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
chr->chr_write = null_chr_write;
|
|
return chr;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
static void socket_cleanup(void)
|
|
{
|
|
WSACleanup();
|
|
}
|
|
|
|
static int socket_init(void)
|
|
{
|
|
WSADATA Data;
|
|
int ret, err;
|
|
|
|
ret = WSAStartup(MAKEWORD(2,2), &Data);
|
|
if (ret != 0) {
|
|
err = WSAGetLastError();
|
|
fprintf(stderr, "WSAStartup: %d\n", err);
|
|
return -1;
|
|
}
|
|
atexit(socket_cleanup);
|
|
return 0;
|
|
}
|
|
|
|
static int send_all(int fd, const uint8_t *buf, int len1)
|
|
{
|
|
int ret, len;
|
|
|
|
len = len1;
|
|
while (len > 0) {
|
|
ret = send(fd, buf, len, 0);
|
|
if (ret < 0) {
|
|
int errno;
|
|
errno = WSAGetLastError();
|
|
if (errno != WSAEWOULDBLOCK) {
|
|
return -1;
|
|
}
|
|
} else if (ret == 0) {
|
|
break;
|
|
} else {
|
|
buf += ret;
|
|
len -= ret;
|
|
}
|
|
}
|
|
return len1 - len;
|
|
}
|
|
|
|
void socket_set_nonblock(int fd)
|
|
{
|
|
unsigned long opt = 1;
|
|
ioctlsocket(fd, FIONBIO, &opt);
|
|
}
|
|
|
|
#else
|
|
|
|
static int unix_write(int fd, const uint8_t *buf, int len1)
|
|
{
|
|
int ret, len;
|
|
|
|
len = len1;
|
|
while (len > 0) {
|
|
ret = write(fd, buf, len);
|
|
if (ret < 0) {
|
|
if (errno != EINTR && errno != EAGAIN)
|
|
return -1;
|
|
} else if (ret == 0) {
|
|
break;
|
|
} else {
|
|
buf += ret;
|
|
len -= ret;
|
|
}
|
|
}
|
|
return len1 - len;
|
|
}
|
|
|
|
static inline int send_all(int fd, const uint8_t *buf, int len1)
|
|
{
|
|
return unix_write(fd, buf, len1);
|
|
}
|
|
|
|
void socket_set_nonblock(int fd)
|
|
{
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
}
|
|
#endif /* !_WIN32 */
|
|
|
|
#ifndef _WIN32
|
|
|
|
typedef struct {
|
|
int fd_in, fd_out;
|
|
int max_size;
|
|
} FDCharDriver;
|
|
|
|
#define STDIO_MAX_CLIENTS 2
|
|
|
|
static int stdio_nb_clients;
|
|
static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
|
|
|
|
static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
FDCharDriver *s = chr->opaque;
|
|
return unix_write(s->fd_out, buf, len);
|
|
}
|
|
|
|
static int fd_chr_read_poll(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
FDCharDriver *s = chr->opaque;
|
|
|
|
s->max_size = qemu_chr_can_read(chr);
|
|
return s->max_size;
|
|
}
|
|
|
|
static void fd_chr_read(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
FDCharDriver *s = chr->opaque;
|
|
int size, len;
|
|
uint8_t buf[1024];
|
|
|
|
len = sizeof(buf);
|
|
if (len > s->max_size)
|
|
len = s->max_size;
|
|
if (len == 0)
|
|
return;
|
|
size = read(s->fd_in, buf, len);
|
|
if (size == 0) {
|
|
/* FD has been closed. Remove it from the active list. */
|
|
qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL);
|
|
return;
|
|
}
|
|
if (size > 0) {
|
|
qemu_chr_read(chr, buf, size);
|
|
}
|
|
}
|
|
|
|
static void fd_chr_update_read_handler(CharDriverState *chr)
|
|
{
|
|
FDCharDriver *s = chr->opaque;
|
|
|
|
if (s->fd_in >= 0) {
|
|
if (nographic && s->fd_in == 0) {
|
|
} else {
|
|
qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll,
|
|
fd_chr_read, NULL, chr);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* open a character device to a unix fd */
|
|
static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
|
|
{
|
|
CharDriverState *chr;
|
|
FDCharDriver *s;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
s = qemu_mallocz(sizeof(FDCharDriver));
|
|
if (!s) {
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
s->fd_in = fd_in;
|
|
s->fd_out = fd_out;
|
|
chr->opaque = s;
|
|
chr->chr_write = fd_chr_write;
|
|
chr->chr_update_read_handler = fd_chr_update_read_handler;
|
|
|
|
qemu_chr_reset(chr);
|
|
|
|
return chr;
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_file_out(const char *file_out)
|
|
{
|
|
int fd_out;
|
|
|
|
fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666);
|
|
if (fd_out < 0)
|
|
return NULL;
|
|
return qemu_chr_open_fd(-1, fd_out);
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_pipe(const char *filename)
|
|
{
|
|
int fd_in, fd_out;
|
|
char filename_in[256], filename_out[256];
|
|
|
|
snprintf(filename_in, 256, "%s.in", filename);
|
|
snprintf(filename_out, 256, "%s.out", filename);
|
|
fd_in = open(filename_in, O_RDWR | O_BINARY);
|
|
fd_out = open(filename_out, O_RDWR | O_BINARY);
|
|
if (fd_in < 0 || fd_out < 0) {
|
|
if (fd_in >= 0)
|
|
close(fd_in);
|
|
if (fd_out >= 0)
|
|
close(fd_out);
|
|
fd_in = fd_out = open(filename, O_RDWR | O_BINARY);
|
|
if (fd_in < 0)
|
|
return NULL;
|
|
}
|
|
return qemu_chr_open_fd(fd_in, fd_out);
|
|
}
|
|
|
|
|
|
/* for STDIO, we handle the case where several clients use it
|
|
(nographic mode) */
|
|
|
|
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
|
|
|
|
#define TERM_FIFO_MAX_SIZE 1
|
|
|
|
static int term_got_escape, client_index;
|
|
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
|
|
static int term_fifo_size;
|
|
static int term_timestamps;
|
|
static int64_t term_timestamps_start;
|
|
|
|
void term_print_help(void)
|
|
{
|
|
printf("\n"
|
|
"C-a h print this help\n"
|
|
"C-a x exit emulator\n"
|
|
"C-a s save disk data back to file (if -snapshot)\n"
|
|
"C-a b send break (magic sysrq)\n"
|
|
"C-a t toggle console timestamps\n"
|
|
"C-a c switch between console and monitor\n"
|
|
"C-a C-a send C-a\n"
|
|
);
|
|
}
|
|
|
|
/* called when a char is received */
|
|
static void stdio_received_byte(int ch)
|
|
{
|
|
if (term_got_escape) {
|
|
term_got_escape = 0;
|
|
switch(ch) {
|
|
case 'h':
|
|
term_print_help();
|
|
break;
|
|
case 'x':
|
|
exit(0);
|
|
break;
|
|
case 's':
|
|
{
|
|
int i;
|
|
for (i = 0; i < MAX_DISKS; i++) {
|
|
if (bs_table[i])
|
|
bdrv_commit(bs_table[i]);
|
|
}
|
|
}
|
|
break;
|
|
case 'b':
|
|
if (client_index < stdio_nb_clients) {
|
|
CharDriverState *chr;
|
|
FDCharDriver *s;
|
|
|
|
chr = stdio_clients[client_index];
|
|
s = chr->opaque;
|
|
qemu_chr_event(chr, CHR_EVENT_BREAK);
|
|
}
|
|
break;
|
|
case 'c':
|
|
client_index++;
|
|
if (client_index >= stdio_nb_clients)
|
|
client_index = 0;
|
|
if (client_index == 0) {
|
|
/* send a new line in the monitor to get the prompt */
|
|
ch = '\r';
|
|
goto send_char;
|
|
}
|
|
break;
|
|
case 't':
|
|
term_timestamps = !term_timestamps;
|
|
term_timestamps_start = -1;
|
|
break;
|
|
case TERM_ESCAPE:
|
|
goto send_char;
|
|
}
|
|
} else if (ch == TERM_ESCAPE) {
|
|
term_got_escape = 1;
|
|
} else {
|
|
send_char:
|
|
if (client_index < stdio_nb_clients) {
|
|
uint8_t buf[1];
|
|
CharDriverState *chr;
|
|
|
|
chr = stdio_clients[client_index];
|
|
if (qemu_chr_can_read(chr) > 0) {
|
|
buf[0] = ch;
|
|
qemu_chr_read(chr, buf, 1);
|
|
} else if (term_fifo_size == 0) {
|
|
term_fifo[term_fifo_size++] = ch;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int stdio_read_poll(void *opaque)
|
|
{
|
|
CharDriverState *chr;
|
|
|
|
if (client_index < stdio_nb_clients) {
|
|
chr = stdio_clients[client_index];
|
|
/* try to flush the queue if needed */
|
|
if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
|
|
qemu_chr_read(chr, term_fifo, 1);
|
|
term_fifo_size = 0;
|
|
}
|
|
/* see if we can absorb more chars */
|
|
if (term_fifo_size == 0)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static void stdio_read(void *opaque)
|
|
{
|
|
int size;
|
|
uint8_t buf[1];
|
|
|
|
size = read(0, buf, 1);
|
|
if (size == 0) {
|
|
/* stdin has been closed. Remove it from the active list. */
|
|
qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
|
|
return;
|
|
}
|
|
if (size > 0)
|
|
stdio_received_byte(buf[0]);
|
|
}
|
|
|
|
static int stdio_write(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
FDCharDriver *s = chr->opaque;
|
|
if (!term_timestamps) {
|
|
return unix_write(s->fd_out, buf, len);
|
|
} else {
|
|
int i;
|
|
char buf1[64];
|
|
|
|
for(i = 0; i < len; i++) {
|
|
unix_write(s->fd_out, buf + i, 1);
|
|
if (buf[i] == '\n') {
|
|
int64_t ti;
|
|
int secs;
|
|
|
|
ti = get_clock();
|
|
if (term_timestamps_start == -1)
|
|
term_timestamps_start = ti;
|
|
ti -= term_timestamps_start;
|
|
secs = ti / 1000000000;
|
|
snprintf(buf1, sizeof(buf1),
|
|
"[%02d:%02d:%02d.%03d] ",
|
|
secs / 3600,
|
|
(secs / 60) % 60,
|
|
secs % 60,
|
|
(int)((ti / 1000000) % 1000));
|
|
unix_write(s->fd_out, buf1, strlen(buf1));
|
|
}
|
|
}
|
|
return len;
|
|
}
|
|
}
|
|
|
|
/* init terminal so that we can grab keys */
|
|
static struct termios oldtty;
|
|
static int old_fd0_flags;
|
|
|
|
static void term_exit(void)
|
|
{
|
|
tcsetattr (0, TCSANOW, &oldtty);
|
|
fcntl(0, F_SETFL, old_fd0_flags);
|
|
}
|
|
|
|
static void term_init(void)
|
|
{
|
|
struct termios tty;
|
|
|
|
tcgetattr (0, &tty);
|
|
oldtty = tty;
|
|
old_fd0_flags = fcntl(0, F_GETFL);
|
|
|
|
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|
|
|INLCR|IGNCR|ICRNL|IXON);
|
|
tty.c_oflag |= OPOST;
|
|
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
|
|
/* if graphical mode, we allow Ctrl-C handling */
|
|
if (nographic)
|
|
tty.c_lflag &= ~ISIG;
|
|
tty.c_cflag &= ~(CSIZE|PARENB);
|
|
tty.c_cflag |= CS8;
|
|
tty.c_cc[VMIN] = 1;
|
|
tty.c_cc[VTIME] = 0;
|
|
|
|
tcsetattr (0, TCSANOW, &tty);
|
|
|
|
atexit(term_exit);
|
|
|
|
fcntl(0, F_SETFL, O_NONBLOCK);
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_stdio(void)
|
|
{
|
|
CharDriverState *chr;
|
|
|
|
if (nographic) {
|
|
if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
|
|
return NULL;
|
|
chr = qemu_chr_open_fd(0, 1);
|
|
chr->chr_write = stdio_write;
|
|
if (stdio_nb_clients == 0)
|
|
qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
|
|
client_index = stdio_nb_clients;
|
|
} else {
|
|
if (stdio_nb_clients != 0)
|
|
return NULL;
|
|
chr = qemu_chr_open_fd(0, 1);
|
|
}
|
|
stdio_clients[stdio_nb_clients++] = chr;
|
|
if (stdio_nb_clients == 1) {
|
|
/* set the terminal in raw mode */
|
|
term_init();
|
|
}
|
|
return chr;
|
|
}
|
|
|
|
#if defined(__linux__)
|
|
static CharDriverState *qemu_chr_open_pty(void)
|
|
{
|
|
struct termios tty;
|
|
char slave_name[1024];
|
|
int master_fd, slave_fd;
|
|
|
|
/* Not satisfying */
|
|
if (openpty(&master_fd, &slave_fd, slave_name, NULL, NULL) < 0) {
|
|
return NULL;
|
|
}
|
|
|
|
/* Disabling local echo and line-buffered output */
|
|
tcgetattr (master_fd, &tty);
|
|
tty.c_lflag &= ~(ECHO|ICANON|ISIG);
|
|
tty.c_cc[VMIN] = 1;
|
|
tty.c_cc[VTIME] = 0;
|
|
tcsetattr (master_fd, TCSAFLUSH, &tty);
|
|
|
|
fprintf(stderr, "char device redirected to %s\n", slave_name);
|
|
return qemu_chr_open_fd(master_fd, master_fd);
|
|
}
|
|
|
|
static void tty_serial_init(int fd, int speed,
|
|
int parity, int data_bits, int stop_bits)
|
|
{
|
|
struct termios tty;
|
|
speed_t spd;
|
|
|
|
#if 0
|
|
printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
|
|
speed, parity, data_bits, stop_bits);
|
|
#endif
|
|
tcgetattr (fd, &tty);
|
|
|
|
switch(speed) {
|
|
case 50:
|
|
spd = B50;
|
|
break;
|
|
case 75:
|
|
spd = B75;
|
|
break;
|
|
case 300:
|
|
spd = B300;
|
|
break;
|
|
case 600:
|
|
spd = B600;
|
|
break;
|
|
case 1200:
|
|
spd = B1200;
|
|
break;
|
|
case 2400:
|
|
spd = B2400;
|
|
break;
|
|
case 4800:
|
|
spd = B4800;
|
|
break;
|
|
case 9600:
|
|
spd = B9600;
|
|
break;
|
|
case 19200:
|
|
spd = B19200;
|
|
break;
|
|
case 38400:
|
|
spd = B38400;
|
|
break;
|
|
case 57600:
|
|
spd = B57600;
|
|
break;
|
|
default:
|
|
case 115200:
|
|
spd = B115200;
|
|
break;
|
|
}
|
|
|
|
cfsetispeed(&tty, spd);
|
|
cfsetospeed(&tty, spd);
|
|
|
|
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|
|
|INLCR|IGNCR|ICRNL|IXON);
|
|
tty.c_oflag |= OPOST;
|
|
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
|
|
tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
|
|
switch(data_bits) {
|
|
default:
|
|
case 8:
|
|
tty.c_cflag |= CS8;
|
|
break;
|
|
case 7:
|
|
tty.c_cflag |= CS7;
|
|
break;
|
|
case 6:
|
|
tty.c_cflag |= CS6;
|
|
break;
|
|
case 5:
|
|
tty.c_cflag |= CS5;
|
|
break;
|
|
}
|
|
switch(parity) {
|
|
default:
|
|
case 'N':
|
|
break;
|
|
case 'E':
|
|
tty.c_cflag |= PARENB;
|
|
break;
|
|
case 'O':
|
|
tty.c_cflag |= PARENB | PARODD;
|
|
break;
|
|
}
|
|
if (stop_bits == 2)
|
|
tty.c_cflag |= CSTOPB;
|
|
|
|
tcsetattr (fd, TCSANOW, &tty);
|
|
}
|
|
|
|
static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
|
|
{
|
|
FDCharDriver *s = chr->opaque;
|
|
|
|
switch(cmd) {
|
|
case CHR_IOCTL_SERIAL_SET_PARAMS:
|
|
{
|
|
QEMUSerialSetParams *ssp = arg;
|
|
tty_serial_init(s->fd_in, ssp->speed, ssp->parity,
|
|
ssp->data_bits, ssp->stop_bits);
|
|
}
|
|
break;
|
|
case CHR_IOCTL_SERIAL_SET_BREAK:
|
|
{
|
|
int enable = *(int *)arg;
|
|
if (enable)
|
|
tcsendbreak(s->fd_in, 1);
|
|
}
|
|
break;
|
|
default:
|
|
return -ENOTSUP;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_tty(const char *filename)
|
|
{
|
|
CharDriverState *chr;
|
|
int fd;
|
|
|
|
fd = open(filename, O_RDWR | O_NONBLOCK);
|
|
if (fd < 0)
|
|
return NULL;
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
tty_serial_init(fd, 115200, 'N', 8, 1);
|
|
chr = qemu_chr_open_fd(fd, fd);
|
|
if (!chr)
|
|
return NULL;
|
|
chr->chr_ioctl = tty_serial_ioctl;
|
|
qemu_chr_reset(chr);
|
|
return chr;
|
|
}
|
|
|
|
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
|
|
{
|
|
int fd = (int)chr->opaque;
|
|
uint8_t b;
|
|
|
|
switch(cmd) {
|
|
case CHR_IOCTL_PP_READ_DATA:
|
|
if (ioctl(fd, PPRDATA, &b) < 0)
|
|
return -ENOTSUP;
|
|
*(uint8_t *)arg = b;
|
|
break;
|
|
case CHR_IOCTL_PP_WRITE_DATA:
|
|
b = *(uint8_t *)arg;
|
|
if (ioctl(fd, PPWDATA, &b) < 0)
|
|
return -ENOTSUP;
|
|
break;
|
|
case CHR_IOCTL_PP_READ_CONTROL:
|
|
if (ioctl(fd, PPRCONTROL, &b) < 0)
|
|
return -ENOTSUP;
|
|
*(uint8_t *)arg = b;
|
|
break;
|
|
case CHR_IOCTL_PP_WRITE_CONTROL:
|
|
b = *(uint8_t *)arg;
|
|
if (ioctl(fd, PPWCONTROL, &b) < 0)
|
|
return -ENOTSUP;
|
|
break;
|
|
case CHR_IOCTL_PP_READ_STATUS:
|
|
if (ioctl(fd, PPRSTATUS, &b) < 0)
|
|
return -ENOTSUP;
|
|
*(uint8_t *)arg = b;
|
|
break;
|
|
default:
|
|
return -ENOTSUP;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_pp(const char *filename)
|
|
{
|
|
CharDriverState *chr;
|
|
int fd;
|
|
|
|
fd = open(filename, O_RDWR);
|
|
if (fd < 0)
|
|
return NULL;
|
|
|
|
if (ioctl(fd, PPCLAIM) < 0) {
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr) {
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
chr->opaque = (void *)fd;
|
|
chr->chr_write = null_chr_write;
|
|
chr->chr_ioctl = pp_ioctl;
|
|
|
|
qemu_chr_reset(chr);
|
|
|
|
return chr;
|
|
}
|
|
|
|
#else
|
|
static CharDriverState *qemu_chr_open_pty(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#endif /* !defined(_WIN32) */
|
|
|
|
#ifdef _WIN32
|
|
typedef struct {
|
|
CharDriverState *chr;
|
|
int max_size;
|
|
HANDLE hcom, hrecv, hsend;
|
|
OVERLAPPED orecv, osend;
|
|
BOOL fpipe;
|
|
DWORD len;
|
|
} WinCharState;
|
|
|
|
#define NSENDBUF 2048
|
|
#define NRECVBUF 2048
|
|
#define MAXCONNECT 1
|
|
#define NTIMEOUT 5000
|
|
|
|
static int win_chr_poll(void *opaque);
|
|
static int win_chr_pipe_poll(void *opaque);
|
|
|
|
static void win_chr_close2(WinCharState *s)
|
|
{
|
|
if (s->hsend) {
|
|
CloseHandle(s->hsend);
|
|
s->hsend = NULL;
|
|
}
|
|
if (s->hrecv) {
|
|
CloseHandle(s->hrecv);
|
|
s->hrecv = NULL;
|
|
}
|
|
if (s->hcom) {
|
|
CloseHandle(s->hcom);
|
|
s->hcom = NULL;
|
|
}
|
|
if (s->fpipe)
|
|
qemu_del_polling_cb(win_chr_pipe_poll, s);
|
|
else
|
|
qemu_del_polling_cb(win_chr_poll, s);
|
|
}
|
|
|
|
static void win_chr_close(CharDriverState *chr)
|
|
{
|
|
WinCharState *s = chr->opaque;
|
|
win_chr_close2(s);
|
|
}
|
|
|
|
static int win_chr_init(WinCharState *s, CharDriverState *chr, const char *filename)
|
|
{
|
|
COMMCONFIG comcfg;
|
|
COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
|
|
COMSTAT comstat;
|
|
DWORD size;
|
|
DWORD err;
|
|
|
|
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
if (!s->hsend) {
|
|
fprintf(stderr, "Failed CreateEvent\n");
|
|
goto fail;
|
|
}
|
|
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
if (!s->hrecv) {
|
|
fprintf(stderr, "Failed CreateEvent\n");
|
|
goto fail;
|
|
}
|
|
|
|
s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL,
|
|
OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
|
|
if (s->hcom == INVALID_HANDLE_VALUE) {
|
|
fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError());
|
|
s->hcom = NULL;
|
|
goto fail;
|
|
}
|
|
|
|
if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) {
|
|
fprintf(stderr, "Failed SetupComm\n");
|
|
goto fail;
|
|
}
|
|
|
|
ZeroMemory(&comcfg, sizeof(COMMCONFIG));
|
|
size = sizeof(COMMCONFIG);
|
|
GetDefaultCommConfig(filename, &comcfg, &size);
|
|
comcfg.dcb.DCBlength = sizeof(DCB);
|
|
CommConfigDialog(filename, NULL, &comcfg);
|
|
|
|
if (!SetCommState(s->hcom, &comcfg.dcb)) {
|
|
fprintf(stderr, "Failed SetCommState\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (!SetCommMask(s->hcom, EV_ERR)) {
|
|
fprintf(stderr, "Failed SetCommMask\n");
|
|
goto fail;
|
|
}
|
|
|
|
cto.ReadIntervalTimeout = MAXDWORD;
|
|
if (!SetCommTimeouts(s->hcom, &cto)) {
|
|
fprintf(stderr, "Failed SetCommTimeouts\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (!ClearCommError(s->hcom, &err, &comstat)) {
|
|
fprintf(stderr, "Failed ClearCommError\n");
|
|
goto fail;
|
|
}
|
|
s->chr = chr;
|
|
qemu_add_polling_cb(win_chr_poll, s);
|
|
return 0;
|
|
|
|
fail:
|
|
win_chr_close2(s);
|
|
return -1;
|
|
}
|
|
|
|
static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
|
|
{
|
|
WinCharState *s = chr->opaque;
|
|
DWORD len, ret, size, err;
|
|
|
|
len = len1;
|
|
ZeroMemory(&s->osend, sizeof(s->osend));
|
|
s->osend.hEvent = s->hsend;
|
|
while (len > 0) {
|
|
if (s->hsend)
|
|
ret = WriteFile(s->hcom, buf, len, &size, &s->osend);
|
|
else
|
|
ret = WriteFile(s->hcom, buf, len, &size, NULL);
|
|
if (!ret) {
|
|
err = GetLastError();
|
|
if (err == ERROR_IO_PENDING) {
|
|
ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE);
|
|
if (ret) {
|
|
buf += size;
|
|
len -= size;
|
|
} else {
|
|
break;
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
} else {
|
|
buf += size;
|
|
len -= size;
|
|
}
|
|
}
|
|
return len1 - len;
|
|
}
|
|
|
|
static int win_chr_read_poll(WinCharState *s)
|
|
{
|
|
s->max_size = qemu_chr_can_read(s->chr);
|
|
return s->max_size;
|
|
}
|
|
|
|
static void win_chr_readfile(WinCharState *s)
|
|
{
|
|
int ret, err;
|
|
uint8_t buf[1024];
|
|
DWORD size;
|
|
|
|
ZeroMemory(&s->orecv, sizeof(s->orecv));
|
|
s->orecv.hEvent = s->hrecv;
|
|
ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv);
|
|
if (!ret) {
|
|
err = GetLastError();
|
|
if (err == ERROR_IO_PENDING) {
|
|
ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE);
|
|
}
|
|
}
|
|
|
|
if (size > 0) {
|
|
qemu_chr_read(s->chr, buf, size);
|
|
}
|
|
}
|
|
|
|
static void win_chr_read(WinCharState *s)
|
|
{
|
|
if (s->len > s->max_size)
|
|
s->len = s->max_size;
|
|
if (s->len == 0)
|
|
return;
|
|
|
|
win_chr_readfile(s);
|
|
}
|
|
|
|
static int win_chr_poll(void *opaque)
|
|
{
|
|
WinCharState *s = opaque;
|
|
COMSTAT status;
|
|
DWORD comerr;
|
|
|
|
ClearCommError(s->hcom, &comerr, &status);
|
|
if (status.cbInQue > 0) {
|
|
s->len = status.cbInQue;
|
|
win_chr_read_poll(s);
|
|
win_chr_read(s);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_win(const char *filename)
|
|
{
|
|
CharDriverState *chr;
|
|
WinCharState *s;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
s = qemu_mallocz(sizeof(WinCharState));
|
|
if (!s) {
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
chr->opaque = s;
|
|
chr->chr_write = win_chr_write;
|
|
chr->chr_close = win_chr_close;
|
|
|
|
if (win_chr_init(s, chr, filename) < 0) {
|
|
free(s);
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
qemu_chr_reset(chr);
|
|
return chr;
|
|
}
|
|
|
|
static int win_chr_pipe_poll(void *opaque)
|
|
{
|
|
WinCharState *s = opaque;
|
|
DWORD size;
|
|
|
|
PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
|
|
if (size > 0) {
|
|
s->len = size;
|
|
win_chr_read_poll(s);
|
|
win_chr_read(s);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int win_chr_pipe_init(WinCharState *s, const char *filename)
|
|
{
|
|
OVERLAPPED ov;
|
|
int ret;
|
|
DWORD size;
|
|
char openname[256];
|
|
|
|
s->fpipe = TRUE;
|
|
|
|
s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
if (!s->hsend) {
|
|
fprintf(stderr, "Failed CreateEvent\n");
|
|
goto fail;
|
|
}
|
|
s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
if (!s->hrecv) {
|
|
fprintf(stderr, "Failed CreateEvent\n");
|
|
goto fail;
|
|
}
|
|
|
|
snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename);
|
|
s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
|
|
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE |
|
|
PIPE_WAIT,
|
|
MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL);
|
|
if (s->hcom == INVALID_HANDLE_VALUE) {
|
|
fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError());
|
|
s->hcom = NULL;
|
|
goto fail;
|
|
}
|
|
|
|
ZeroMemory(&ov, sizeof(ov));
|
|
ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
|
|
ret = ConnectNamedPipe(s->hcom, &ov);
|
|
if (ret) {
|
|
fprintf(stderr, "Failed ConnectNamedPipe\n");
|
|
goto fail;
|
|
}
|
|
|
|
ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE);
|
|
if (!ret) {
|
|
fprintf(stderr, "Failed GetOverlappedResult\n");
|
|
if (ov.hEvent) {
|
|
CloseHandle(ov.hEvent);
|
|
ov.hEvent = NULL;
|
|
}
|
|
goto fail;
|
|
}
|
|
|
|
if (ov.hEvent) {
|
|
CloseHandle(ov.hEvent);
|
|
ov.hEvent = NULL;
|
|
}
|
|
qemu_add_polling_cb(win_chr_pipe_poll, s);
|
|
return 0;
|
|
|
|
fail:
|
|
win_chr_close2(s);
|
|
return -1;
|
|
}
|
|
|
|
|
|
static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
|
|
{
|
|
CharDriverState *chr;
|
|
WinCharState *s;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
s = qemu_mallocz(sizeof(WinCharState));
|
|
if (!s) {
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
chr->opaque = s;
|
|
chr->chr_write = win_chr_write;
|
|
chr->chr_close = win_chr_close;
|
|
|
|
if (win_chr_pipe_init(s, filename) < 0) {
|
|
free(s);
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
qemu_chr_reset(chr);
|
|
return chr;
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
|
|
{
|
|
CharDriverState *chr;
|
|
WinCharState *s;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
s = qemu_mallocz(sizeof(WinCharState));
|
|
if (!s) {
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
s->hcom = fd_out;
|
|
chr->opaque = s;
|
|
chr->chr_write = win_chr_write;
|
|
qemu_chr_reset(chr);
|
|
return chr;
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
|
|
{
|
|
HANDLE fd_out;
|
|
|
|
fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL,
|
|
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
if (fd_out == INVALID_HANDLE_VALUE)
|
|
return NULL;
|
|
|
|
return qemu_chr_open_win_file(fd_out);
|
|
}
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* UDP Net console */
|
|
|
|
typedef struct {
|
|
int fd;
|
|
struct sockaddr_in daddr;
|
|
char buf[1024];
|
|
int bufcnt;
|
|
int bufptr;
|
|
int max_size;
|
|
} NetCharDriver;
|
|
|
|
static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
NetCharDriver *s = chr->opaque;
|
|
|
|
return sendto(s->fd, buf, len, 0,
|
|
(struct sockaddr *)&s->daddr, sizeof(struct sockaddr_in));
|
|
}
|
|
|
|
static int udp_chr_read_poll(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
NetCharDriver *s = chr->opaque;
|
|
|
|
s->max_size = qemu_chr_can_read(chr);
|
|
|
|
/* If there were any stray characters in the queue process them
|
|
* first
|
|
*/
|
|
while (s->max_size > 0 && s->bufptr < s->bufcnt) {
|
|
qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
|
s->bufptr++;
|
|
s->max_size = qemu_chr_can_read(chr);
|
|
}
|
|
return s->max_size;
|
|
}
|
|
|
|
static void udp_chr_read(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
NetCharDriver *s = chr->opaque;
|
|
|
|
if (s->max_size == 0)
|
|
return;
|
|
s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0);
|
|
s->bufptr = s->bufcnt;
|
|
if (s->bufcnt <= 0)
|
|
return;
|
|
|
|
s->bufptr = 0;
|
|
while (s->max_size > 0 && s->bufptr < s->bufcnt) {
|
|
qemu_chr_read(chr, &s->buf[s->bufptr], 1);
|
|
s->bufptr++;
|
|
s->max_size = qemu_chr_can_read(chr);
|
|
}
|
|
}
|
|
|
|
static void udp_chr_update_read_handler(CharDriverState *chr)
|
|
{
|
|
NetCharDriver *s = chr->opaque;
|
|
|
|
if (s->fd >= 0) {
|
|
qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
|
|
udp_chr_read, NULL, chr);
|
|
}
|
|
}
|
|
|
|
int parse_host_port(struct sockaddr_in *saddr, const char *str);
|
|
#ifndef _WIN32
|
|
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
|
|
#endif
|
|
int parse_host_src_port(struct sockaddr_in *haddr,
|
|
struct sockaddr_in *saddr,
|
|
const char *str);
|
|
|
|
static CharDriverState *qemu_chr_open_udp(const char *def)
|
|
{
|
|
CharDriverState *chr = NULL;
|
|
NetCharDriver *s = NULL;
|
|
int fd = -1;
|
|
struct sockaddr_in saddr;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
goto return_err;
|
|
s = qemu_mallocz(sizeof(NetCharDriver));
|
|
if (!s)
|
|
goto return_err;
|
|
|
|
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (fd < 0) {
|
|
perror("socket(PF_INET, SOCK_DGRAM)");
|
|
goto return_err;
|
|
}
|
|
|
|
if (parse_host_src_port(&s->daddr, &saddr, def) < 0) {
|
|
printf("Could not parse: %s\n", def);
|
|
goto return_err;
|
|
}
|
|
|
|
if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0)
|
|
{
|
|
perror("bind");
|
|
goto return_err;
|
|
}
|
|
|
|
s->fd = fd;
|
|
s->bufcnt = 0;
|
|
s->bufptr = 0;
|
|
chr->opaque = s;
|
|
chr->chr_write = udp_chr_write;
|
|
chr->chr_update_read_handler = udp_chr_update_read_handler;
|
|
return chr;
|
|
|
|
return_err:
|
|
if (chr)
|
|
free(chr);
|
|
if (s)
|
|
free(s);
|
|
if (fd >= 0)
|
|
closesocket(fd);
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* TCP Net console */
|
|
|
|
typedef struct {
|
|
int fd, listen_fd;
|
|
int connected;
|
|
int max_size;
|
|
int do_telnetopt;
|
|
int do_nodelay;
|
|
int is_unix;
|
|
} TCPCharDriver;
|
|
|
|
static void tcp_chr_accept(void *opaque);
|
|
|
|
static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
TCPCharDriver *s = chr->opaque;
|
|
if (s->connected) {
|
|
return send_all(s->fd, buf, len);
|
|
} else {
|
|
/* XXX: indicate an error ? */
|
|
return len;
|
|
}
|
|
}
|
|
|
|
static int tcp_chr_read_poll(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
TCPCharDriver *s = chr->opaque;
|
|
if (!s->connected)
|
|
return 0;
|
|
s->max_size = qemu_chr_can_read(chr);
|
|
return s->max_size;
|
|
}
|
|
|
|
#define IAC 255
|
|
#define IAC_BREAK 243
|
|
static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
|
|
TCPCharDriver *s,
|
|
char *buf, int *size)
|
|
{
|
|
/* Handle any telnet client's basic IAC options to satisfy char by
|
|
* char mode with no echo. All IAC options will be removed from
|
|
* the buf and the do_telnetopt variable will be used to track the
|
|
* state of the width of the IAC information.
|
|
*
|
|
* IAC commands come in sets of 3 bytes with the exception of the
|
|
* "IAC BREAK" command and the double IAC.
|
|
*/
|
|
|
|
int i;
|
|
int j = 0;
|
|
|
|
for (i = 0; i < *size; i++) {
|
|
if (s->do_telnetopt > 1) {
|
|
if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) {
|
|
/* Double IAC means send an IAC */
|
|
if (j != i)
|
|
buf[j] = buf[i];
|
|
j++;
|
|
s->do_telnetopt = 1;
|
|
} else {
|
|
if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
|
|
/* Handle IAC break commands by sending a serial break */
|
|
qemu_chr_event(chr, CHR_EVENT_BREAK);
|
|
s->do_telnetopt++;
|
|
}
|
|
s->do_telnetopt++;
|
|
}
|
|
if (s->do_telnetopt >= 4) {
|
|
s->do_telnetopt = 1;
|
|
}
|
|
} else {
|
|
if ((unsigned char)buf[i] == IAC) {
|
|
s->do_telnetopt = 2;
|
|
} else {
|
|
if (j != i)
|
|
buf[j] = buf[i];
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
*size = j;
|
|
}
|
|
|
|
static void tcp_chr_read(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
TCPCharDriver *s = chr->opaque;
|
|
uint8_t buf[1024];
|
|
int len, size;
|
|
|
|
if (!s->connected || s->max_size <= 0)
|
|
return;
|
|
len = sizeof(buf);
|
|
if (len > s->max_size)
|
|
len = s->max_size;
|
|
size = recv(s->fd, buf, len, 0);
|
|
if (size == 0) {
|
|
/* connection closed */
|
|
s->connected = 0;
|
|
if (s->listen_fd >= 0) {
|
|
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
|
}
|
|
qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
|
|
closesocket(s->fd);
|
|
s->fd = -1;
|
|
} else if (size > 0) {
|
|
if (s->do_telnetopt)
|
|
tcp_chr_process_IAC_bytes(chr, s, buf, &size);
|
|
if (size > 0)
|
|
qemu_chr_read(chr, buf, size);
|
|
}
|
|
}
|
|
|
|
static void tcp_chr_connect(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
TCPCharDriver *s = chr->opaque;
|
|
|
|
s->connected = 1;
|
|
qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
|
|
tcp_chr_read, NULL, chr);
|
|
qemu_chr_reset(chr);
|
|
}
|
|
|
|
#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
|
|
static void tcp_chr_telnet_init(int fd)
|
|
{
|
|
char buf[3];
|
|
/* Send the telnet negotion to put telnet in binary, no echo, single char mode */
|
|
IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */
|
|
send(fd, (char *)buf, 3, 0);
|
|
IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */
|
|
send(fd, (char *)buf, 3, 0);
|
|
IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */
|
|
send(fd, (char *)buf, 3, 0);
|
|
IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */
|
|
send(fd, (char *)buf, 3, 0);
|
|
}
|
|
|
|
static void socket_set_nodelay(int fd)
|
|
{
|
|
int val = 1;
|
|
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
|
|
}
|
|
|
|
static void tcp_chr_accept(void *opaque)
|
|
{
|
|
CharDriverState *chr = opaque;
|
|
TCPCharDriver *s = chr->opaque;
|
|
struct sockaddr_in saddr;
|
|
#ifndef _WIN32
|
|
struct sockaddr_un uaddr;
|
|
#endif
|
|
struct sockaddr *addr;
|
|
socklen_t len;
|
|
int fd;
|
|
|
|
for(;;) {
|
|
#ifndef _WIN32
|
|
if (s->is_unix) {
|
|
len = sizeof(uaddr);
|
|
addr = (struct sockaddr *)&uaddr;
|
|
} else
|
|
#endif
|
|
{
|
|
len = sizeof(saddr);
|
|
addr = (struct sockaddr *)&saddr;
|
|
}
|
|
fd = accept(s->listen_fd, addr, &len);
|
|
if (fd < 0 && errno != EINTR) {
|
|
return;
|
|
} else if (fd >= 0) {
|
|
if (s->do_telnetopt)
|
|
tcp_chr_telnet_init(fd);
|
|
break;
|
|
}
|
|
}
|
|
socket_set_nonblock(fd);
|
|
if (s->do_nodelay)
|
|
socket_set_nodelay(fd);
|
|
s->fd = fd;
|
|
qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
|
|
tcp_chr_connect(chr);
|
|
}
|
|
|
|
static void tcp_chr_close(CharDriverState *chr)
|
|
{
|
|
TCPCharDriver *s = chr->opaque;
|
|
if (s->fd >= 0)
|
|
closesocket(s->fd);
|
|
if (s->listen_fd >= 0)
|
|
closesocket(s->listen_fd);
|
|
qemu_free(s);
|
|
}
|
|
|
|
static CharDriverState *qemu_chr_open_tcp(const char *host_str,
|
|
int is_telnet,
|
|
int is_unix)
|
|
{
|
|
CharDriverState *chr = NULL;
|
|
TCPCharDriver *s = NULL;
|
|
int fd = -1, ret, err, val;
|
|
int is_listen = 0;
|
|
int is_waitconnect = 1;
|
|
int do_nodelay = 0;
|
|
const char *ptr;
|
|
struct sockaddr_in saddr;
|
|
#ifndef _WIN32
|
|
struct sockaddr_un uaddr;
|
|
#endif
|
|
struct sockaddr *addr;
|
|
socklen_t addrlen;
|
|
|
|
#ifndef _WIN32
|
|
if (is_unix) {
|
|
addr = (struct sockaddr *)&uaddr;
|
|
addrlen = sizeof(uaddr);
|
|
if (parse_unix_path(&uaddr, host_str) < 0)
|
|
goto fail;
|
|
} else
|
|
#endif
|
|
{
|
|
addr = (struct sockaddr *)&saddr;
|
|
addrlen = sizeof(saddr);
|
|
if (parse_host_port(&saddr, host_str) < 0)
|
|
goto fail;
|
|
}
|
|
|
|
ptr = host_str;
|
|
while((ptr = strchr(ptr,','))) {
|
|
ptr++;
|
|
if (!strncmp(ptr,"server",6)) {
|
|
is_listen = 1;
|
|
} else if (!strncmp(ptr,"nowait",6)) {
|
|
is_waitconnect = 0;
|
|
} else if (!strncmp(ptr,"nodelay",6)) {
|
|
do_nodelay = 1;
|
|
} else {
|
|
printf("Unknown option: %s\n", ptr);
|
|
goto fail;
|
|
}
|
|
}
|
|
if (!is_listen)
|
|
is_waitconnect = 0;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
goto fail;
|
|
s = qemu_mallocz(sizeof(TCPCharDriver));
|
|
if (!s)
|
|
goto fail;
|
|
|
|
#ifndef _WIN32
|
|
if (is_unix)
|
|
fd = socket(PF_UNIX, SOCK_STREAM, 0);
|
|
else
|
|
#endif
|
|
fd = socket(PF_INET, SOCK_STREAM, 0);
|
|
|
|
if (fd < 0)
|
|
goto fail;
|
|
|
|
if (!is_waitconnect)
|
|
socket_set_nonblock(fd);
|
|
|
|
s->connected = 0;
|
|
s->fd = -1;
|
|
s->listen_fd = -1;
|
|
s->is_unix = is_unix;
|
|
s->do_nodelay = do_nodelay && !is_unix;
|
|
|
|
chr->opaque = s;
|
|
chr->chr_write = tcp_chr_write;
|
|
chr->chr_close = tcp_chr_close;
|
|
|
|
if (is_listen) {
|
|
/* allow fast reuse */
|
|
#ifndef _WIN32
|
|
if (is_unix) {
|
|
char path[109];
|
|
strncpy(path, uaddr.sun_path, 108);
|
|
path[108] = 0;
|
|
unlink(path);
|
|
} else
|
|
#endif
|
|
{
|
|
val = 1;
|
|
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
|
|
}
|
|
|
|
ret = bind(fd, addr, addrlen);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
ret = listen(fd, 0);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
s->listen_fd = fd;
|
|
qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr);
|
|
if (is_telnet)
|
|
s->do_telnetopt = 1;
|
|
} else {
|
|
for(;;) {
|
|
ret = connect(fd, addr, addrlen);
|
|
if (ret < 0) {
|
|
err = socket_error();
|
|
if (err == EINTR || err == EWOULDBLOCK) {
|
|
} else if (err == EINPROGRESS) {
|
|
break;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
} else {
|
|
s->connected = 1;
|
|
break;
|
|
}
|
|
}
|
|
s->fd = fd;
|
|
socket_set_nodelay(fd);
|
|
if (s->connected)
|
|
tcp_chr_connect(chr);
|
|
else
|
|
qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr);
|
|
}
|
|
|
|
if (is_listen && is_waitconnect) {
|
|
printf("QEMU waiting for connection on: %s\n", host_str);
|
|
tcp_chr_accept(chr);
|
|
socket_set_nonblock(s->listen_fd);
|
|
}
|
|
|
|
return chr;
|
|
fail:
|
|
if (fd >= 0)
|
|
closesocket(fd);
|
|
qemu_free(s);
|
|
qemu_free(chr);
|
|
return NULL;
|
|
}
|
|
|
|
CharDriverState *qemu_chr_open(const char *filename)
|
|
{
|
|
const char *p;
|
|
|
|
if (!strcmp(filename, "vc")) {
|
|
return text_console_init(&display_state);
|
|
} else if (!strcmp(filename, "null")) {
|
|
return qemu_chr_open_null();
|
|
} else
|
|
if (strstart(filename, "tcp:", &p)) {
|
|
return qemu_chr_open_tcp(p, 0, 0);
|
|
} else
|
|
if (strstart(filename, "telnet:", &p)) {
|
|
return qemu_chr_open_tcp(p, 1, 0);
|
|
} else
|
|
if (strstart(filename, "udp:", &p)) {
|
|
return qemu_chr_open_udp(p);
|
|
} else
|
|
#ifndef _WIN32
|
|
if (strstart(filename, "unix:", &p)) {
|
|
return qemu_chr_open_tcp(p, 0, 1);
|
|
} else if (strstart(filename, "file:", &p)) {
|
|
return qemu_chr_open_file_out(p);
|
|
} else if (strstart(filename, "pipe:", &p)) {
|
|
return qemu_chr_open_pipe(p);
|
|
} else if (!strcmp(filename, "pty")) {
|
|
return qemu_chr_open_pty();
|
|
} else if (!strcmp(filename, "stdio")) {
|
|
return qemu_chr_open_stdio();
|
|
} else
|
|
#endif
|
|
#if defined(__linux__)
|
|
if (strstart(filename, "/dev/parport", NULL)) {
|
|
return qemu_chr_open_pp(filename);
|
|
} else
|
|
if (strstart(filename, "/dev/", NULL)) {
|
|
return qemu_chr_open_tty(filename);
|
|
} else
|
|
#endif
|
|
#ifdef _WIN32
|
|
if (strstart(filename, "COM", NULL)) {
|
|
return qemu_chr_open_win(filename);
|
|
} else
|
|
if (strstart(filename, "pipe:", &p)) {
|
|
return qemu_chr_open_win_pipe(p);
|
|
} else
|
|
if (strstart(filename, "file:", &p)) {
|
|
return qemu_chr_open_win_file_out(p);
|
|
}
|
|
#endif
|
|
{
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
void qemu_chr_close(CharDriverState *chr)
|
|
{
|
|
if (chr->chr_close)
|
|
chr->chr_close(chr);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* network device redirectors */
|
|
|
|
void hex_dump(FILE *f, const uint8_t *buf, int size)
|
|
{
|
|
int len, i, j, c;
|
|
|
|
for(i=0;i<size;i+=16) {
|
|
len = size - i;
|
|
if (len > 16)
|
|
len = 16;
|
|
fprintf(f, "%08x ", i);
|
|
for(j=0;j<16;j++) {
|
|
if (j < len)
|
|
fprintf(f, " %02x", buf[i+j]);
|
|
else
|
|
fprintf(f, " ");
|
|
}
|
|
fprintf(f, " ");
|
|
for(j=0;j<len;j++) {
|
|
c = buf[i+j];
|
|
if (c < ' ' || c > '~')
|
|
c = '.';
|
|
fprintf(f, "%c", c);
|
|
}
|
|
fprintf(f, "\n");
|
|
}
|
|
}
|
|
|
|
static int parse_macaddr(uint8_t *macaddr, const char *p)
|
|
{
|
|
int i;
|
|
for(i = 0; i < 6; i++) {
|
|
macaddr[i] = strtol(p, (char **)&p, 16);
|
|
if (i == 5) {
|
|
if (*p != '\0')
|
|
return -1;
|
|
} else {
|
|
if (*p != ':')
|
|
return -1;
|
|
p++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
|
|
{
|
|
const char *p, *p1;
|
|
int len;
|
|
p = *pp;
|
|
p1 = strchr(p, sep);
|
|
if (!p1)
|
|
return -1;
|
|
len = p1 - p;
|
|
p1++;
|
|
if (buf_size > 0) {
|
|
if (len > buf_size - 1)
|
|
len = buf_size - 1;
|
|
memcpy(buf, p, len);
|
|
buf[len] = '\0';
|
|
}
|
|
*pp = p1;
|
|
return 0;
|
|
}
|
|
|
|
int parse_host_src_port(struct sockaddr_in *haddr,
|
|
struct sockaddr_in *saddr,
|
|
const char *input_str)
|
|
{
|
|
char *str = strdup(input_str);
|
|
char *host_str = str;
|
|
char *src_str;
|
|
char *ptr;
|
|
|
|
/*
|
|
* Chop off any extra arguments at the end of the string which
|
|
* would start with a comma, then fill in the src port information
|
|
* if it was provided else use the "any address" and "any port".
|
|
*/
|
|
if ((ptr = strchr(str,',')))
|
|
*ptr = '\0';
|
|
|
|
if ((src_str = strchr(input_str,'@'))) {
|
|
*src_str = '\0';
|
|
src_str++;
|
|
}
|
|
|
|
if (parse_host_port(haddr, host_str) < 0)
|
|
goto fail;
|
|
|
|
if (!src_str || *src_str == '\0')
|
|
src_str = ":0";
|
|
|
|
if (parse_host_port(saddr, src_str) < 0)
|
|
goto fail;
|
|
|
|
free(str);
|
|
return(0);
|
|
|
|
fail:
|
|
free(str);
|
|
return -1;
|
|
}
|
|
|
|
int parse_host_port(struct sockaddr_in *saddr, const char *str)
|
|
{
|
|
char buf[512];
|
|
struct hostent *he;
|
|
const char *p, *r;
|
|
int port;
|
|
|
|
p = str;
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
return -1;
|
|
saddr->sin_family = AF_INET;
|
|
if (buf[0] == '\0') {
|
|
saddr->sin_addr.s_addr = 0;
|
|
} else {
|
|
if (isdigit(buf[0])) {
|
|
if (!inet_aton(buf, &saddr->sin_addr))
|
|
return -1;
|
|
} else {
|
|
if ((he = gethostbyname(buf)) == NULL)
|
|
return - 1;
|
|
saddr->sin_addr = *(struct in_addr *)he->h_addr;
|
|
}
|
|
}
|
|
port = strtol(p, (char **)&r, 0);
|
|
if (r == p)
|
|
return -1;
|
|
saddr->sin_port = htons(port);
|
|
return 0;
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
|
|
{
|
|
const char *p;
|
|
int len;
|
|
|
|
len = MIN(108, strlen(str));
|
|
p = strchr(str, ',');
|
|
if (p)
|
|
len = MIN(len, p - str);
|
|
|
|
memset(uaddr, 0, sizeof(*uaddr));
|
|
|
|
uaddr->sun_family = AF_UNIX;
|
|
memcpy(uaddr->sun_path, str, len);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* find or alloc a new VLAN */
|
|
VLANState *qemu_find_vlan(int id)
|
|
{
|
|
VLANState **pvlan, *vlan;
|
|
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
|
|
if (vlan->id == id)
|
|
return vlan;
|
|
}
|
|
vlan = qemu_mallocz(sizeof(VLANState));
|
|
if (!vlan)
|
|
return NULL;
|
|
vlan->id = id;
|
|
vlan->next = NULL;
|
|
pvlan = &first_vlan;
|
|
while (*pvlan != NULL)
|
|
pvlan = &(*pvlan)->next;
|
|
*pvlan = vlan;
|
|
return vlan;
|
|
}
|
|
|
|
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
|
|
IOReadHandler *fd_read,
|
|
IOCanRWHandler *fd_can_read,
|
|
void *opaque)
|
|
{
|
|
VLANClientState *vc, **pvc;
|
|
vc = qemu_mallocz(sizeof(VLANClientState));
|
|
if (!vc)
|
|
return NULL;
|
|
vc->fd_read = fd_read;
|
|
vc->fd_can_read = fd_can_read;
|
|
vc->opaque = opaque;
|
|
vc->vlan = vlan;
|
|
|
|
vc->next = NULL;
|
|
pvc = &vlan->first_client;
|
|
while (*pvc != NULL)
|
|
pvc = &(*pvc)->next;
|
|
*pvc = vc;
|
|
return vc;
|
|
}
|
|
|
|
int qemu_can_send_packet(VLANClientState *vc1)
|
|
{
|
|
VLANState *vlan = vc1->vlan;
|
|
VLANClientState *vc;
|
|
|
|
for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
|
|
if (vc != vc1) {
|
|
if (vc->fd_can_read && !vc->fd_can_read(vc->opaque))
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size)
|
|
{
|
|
VLANState *vlan = vc1->vlan;
|
|
VLANClientState *vc;
|
|
|
|
#if 0
|
|
printf("vlan %d send:\n", vlan->id);
|
|
hex_dump(stdout, buf, size);
|
|
#endif
|
|
for(vc = vlan->first_client; vc != NULL; vc = vc->next) {
|
|
if (vc != vc1) {
|
|
vc->fd_read(vc->opaque, buf, size);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(CONFIG_SLIRP)
|
|
|
|
/* slirp network adapter */
|
|
|
|
static int slirp_inited;
|
|
static VLANClientState *slirp_vc;
|
|
|
|
int slirp_can_output(void)
|
|
{
|
|
return !slirp_vc || qemu_can_send_packet(slirp_vc);
|
|
}
|
|
|
|
void slirp_output(const uint8_t *pkt, int pkt_len)
|
|
{
|
|
#if 0
|
|
printf("slirp output:\n");
|
|
hex_dump(stdout, pkt, pkt_len);
|
|
#endif
|
|
if (!slirp_vc)
|
|
return;
|
|
qemu_send_packet(slirp_vc, pkt, pkt_len);
|
|
}
|
|
|
|
static void slirp_receive(void *opaque, const uint8_t *buf, int size)
|
|
{
|
|
#if 0
|
|
printf("slirp input:\n");
|
|
hex_dump(stdout, buf, size);
|
|
#endif
|
|
slirp_input(buf, size);
|
|
}
|
|
|
|
static int net_slirp_init(VLANState *vlan)
|
|
{
|
|
if (!slirp_inited) {
|
|
slirp_inited = 1;
|
|
slirp_init();
|
|
}
|
|
slirp_vc = qemu_new_vlan_client(vlan,
|
|
slirp_receive, NULL, NULL);
|
|
snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector");
|
|
return 0;
|
|
}
|
|
|
|
static void net_slirp_redir(const char *redir_str)
|
|
{
|
|
int is_udp;
|
|
char buf[256], *r;
|
|
const char *p;
|
|
struct in_addr guest_addr;
|
|
int host_port, guest_port;
|
|
|
|
if (!slirp_inited) {
|
|
slirp_inited = 1;
|
|
slirp_init();
|
|
}
|
|
|
|
p = redir_str;
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
goto fail;
|
|
if (!strcmp(buf, "tcp")) {
|
|
is_udp = 0;
|
|
} else if (!strcmp(buf, "udp")) {
|
|
is_udp = 1;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
goto fail;
|
|
host_port = strtol(buf, &r, 0);
|
|
if (r == buf)
|
|
goto fail;
|
|
|
|
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
|
|
goto fail;
|
|
if (buf[0] == '\0') {
|
|
pstrcpy(buf, sizeof(buf), "10.0.2.15");
|
|
}
|
|
if (!inet_aton(buf, &guest_addr))
|
|
goto fail;
|
|
|
|
guest_port = strtol(p, &r, 0);
|
|
if (r == p)
|
|
goto fail;
|
|
|
|
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
|
|
fprintf(stderr, "qemu: could not set up redirection\n");
|
|
exit(1);
|
|
}
|
|
return;
|
|
fail:
|
|
fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
|
|
exit(1);
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
|
|
char smb_dir[1024];
|
|
|
|
static void smb_exit(void)
|
|
{
|
|
DIR *d;
|
|
struct dirent *de;
|
|
char filename[1024];
|
|
|
|
/* erase all the files in the directory */
|
|
d = opendir(smb_dir);
|
|
for(;;) {
|
|
de = readdir(d);
|
|
if (!de)
|
|
break;
|
|
if (strcmp(de->d_name, ".") != 0 &&
|
|
strcmp(de->d_name, "..") != 0) {
|
|
snprintf(filename, sizeof(filename), "%s/%s",
|
|
smb_dir, de->d_name);
|
|
unlink(filename);
|
|
}
|
|
}
|
|
closedir(d);
|
|
rmdir(smb_dir);
|
|
}
|
|
|
|
/* automatic user mode samba server configuration */
|
|
void net_slirp_smb(const char *exported_dir)
|
|
{
|
|
char smb_conf[1024];
|
|
char smb_cmdline[1024];
|
|
FILE *f;
|
|
|
|
if (!slirp_inited) {
|
|
slirp_inited = 1;
|
|
slirp_init();
|
|
}
|
|
|
|
/* XXX: better tmp dir construction */
|
|
snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid());
|
|
if (mkdir(smb_dir, 0700) < 0) {
|
|
fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir);
|
|
exit(1);
|
|
}
|
|
snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf");
|
|
|
|
f = fopen(smb_conf, "w");
|
|
if (!f) {
|
|
fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf);
|
|
exit(1);
|
|
}
|
|
fprintf(f,
|
|
"[global]\n"
|
|
"private dir=%s\n"
|
|
"smb ports=0\n"
|
|
"socket address=127.0.0.1\n"
|
|
"pid directory=%s\n"
|
|
"lock directory=%s\n"
|
|
"log file=%s/log.smbd\n"
|
|
"smb passwd file=%s/smbpasswd\n"
|
|
"security = share\n"
|
|
"[qemu]\n"
|
|
"path=%s\n"
|
|
"read only=no\n"
|
|
"guest ok=yes\n",
|
|
smb_dir,
|
|
smb_dir,
|
|
smb_dir,
|
|
smb_dir,
|
|
smb_dir,
|
|
exported_dir
|
|
);
|
|
fclose(f);
|
|
atexit(smb_exit);
|
|
|
|
snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
|
|
SMBD_COMMAND, smb_conf);
|
|
|
|
slirp_add_exec(0, smb_cmdline, 4, 139);
|
|
}
|
|
|
|
#endif /* !defined(_WIN32) */
|
|
|
|
#endif /* CONFIG_SLIRP */
|
|
|
|
#if !defined(_WIN32)
|
|
|
|
typedef struct TAPState {
|
|
VLANClientState *vc;
|
|
int fd;
|
|
} TAPState;
|
|
|
|
static void tap_receive(void *opaque, const uint8_t *buf, int size)
|
|
{
|
|
TAPState *s = opaque;
|
|
int ret;
|
|
for(;;) {
|
|
ret = write(s->fd, buf, size);
|
|
if (ret < 0 && (errno == EINTR || errno == EAGAIN)) {
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void tap_send(void *opaque)
|
|
{
|
|
TAPState *s = opaque;
|
|
uint8_t buf[4096];
|
|
int size;
|
|
|
|
size = read(s->fd, buf, sizeof(buf));
|
|
if (size > 0) {
|
|
qemu_send_packet(s->vc, buf, size);
|
|
}
|
|
}
|
|
|
|
/* fd support */
|
|
|
|
static TAPState *net_tap_fd_init(VLANState *vlan, int fd)
|
|
{
|
|
TAPState *s;
|
|
|
|
s = qemu_mallocz(sizeof(TAPState));
|
|
if (!s)
|
|
return NULL;
|
|
s->fd = fd;
|
|
s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s);
|
|
qemu_set_fd_handler(s->fd, tap_send, NULL, s);
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd);
|
|
return s;
|
|
}
|
|
|
|
#ifdef _BSD
|
|
static int tap_open(char *ifname, int ifname_size)
|
|
{
|
|
int fd;
|
|
char *dev;
|
|
struct stat s;
|
|
|
|
fd = open("/dev/tap", O_RDWR);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n");
|
|
return -1;
|
|
}
|
|
|
|
fstat(fd, &s);
|
|
dev = devname(s.st_rdev, S_IFCHR);
|
|
pstrcpy(ifname, ifname_size, dev);
|
|
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
return fd;
|
|
}
|
|
#elif defined(__sun__)
|
|
static int tap_open(char *ifname, int ifname_size)
|
|
{
|
|
fprintf(stderr, "warning: tap_open not yet implemented\n");
|
|
return -1;
|
|
}
|
|
#else
|
|
static int tap_open(char *ifname, int ifname_size)
|
|
{
|
|
struct ifreq ifr;
|
|
int fd, ret;
|
|
|
|
fd = open("/dev/net/tun", O_RDWR);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n");
|
|
return -1;
|
|
}
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
|
|
if (ifname[0] != '\0')
|
|
pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname);
|
|
else
|
|
pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d");
|
|
ret = ioctl(fd, TUNSETIFF, (void *) &ifr);
|
|
if (ret != 0) {
|
|
fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n");
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
pstrcpy(ifname, ifname_size, ifr.ifr_name);
|
|
fcntl(fd, F_SETFL, O_NONBLOCK);
|
|
return fd;
|
|
}
|
|
#endif
|
|
|
|
static int net_tap_init(VLANState *vlan, const char *ifname1,
|
|
const char *setup_script)
|
|
{
|
|
TAPState *s;
|
|
int pid, status, fd;
|
|
char *args[3];
|
|
char **parg;
|
|
char ifname[128];
|
|
|
|
if (ifname1 != NULL)
|
|
pstrcpy(ifname, sizeof(ifname), ifname1);
|
|
else
|
|
ifname[0] = '\0';
|
|
fd = tap_open(ifname, sizeof(ifname));
|
|
if (fd < 0)
|
|
return -1;
|
|
|
|
if (!setup_script || !strcmp(setup_script, "no"))
|
|
setup_script = "";
|
|
if (setup_script[0] != '\0') {
|
|
/* try to launch network init script */
|
|
pid = fork();
|
|
if (pid >= 0) {
|
|
if (pid == 0) {
|
|
parg = args;
|
|
*parg++ = (char *)setup_script;
|
|
*parg++ = ifname;
|
|
*parg++ = NULL;
|
|
execv(setup_script, args);
|
|
_exit(1);
|
|
}
|
|
while (waitpid(pid, &status, 0) != pid);
|
|
if (!WIFEXITED(status) ||
|
|
WEXITSTATUS(status) != 0) {
|
|
fprintf(stderr, "%s: could not launch network script\n",
|
|
setup_script);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
s = net_tap_fd_init(vlan, fd);
|
|
if (!s)
|
|
return -1;
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"tap: ifname=%s setup_script=%s", ifname, setup_script);
|
|
return 0;
|
|
}
|
|
|
|
#endif /* !_WIN32 */
|
|
|
|
/* network connection */
|
|
typedef struct NetSocketState {
|
|
VLANClientState *vc;
|
|
int fd;
|
|
int state; /* 0 = getting length, 1 = getting data */
|
|
int index;
|
|
int packet_len;
|
|
uint8_t buf[4096];
|
|
struct sockaddr_in dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */
|
|
} NetSocketState;
|
|
|
|
typedef struct NetSocketListenState {
|
|
VLANState *vlan;
|
|
int fd;
|
|
} NetSocketListenState;
|
|
|
|
/* XXX: we consider we can send the whole packet without blocking */
|
|
static void net_socket_receive(void *opaque, const uint8_t *buf, int size)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
uint32_t len;
|
|
len = htonl(size);
|
|
|
|
send_all(s->fd, (const uint8_t *)&len, sizeof(len));
|
|
send_all(s->fd, buf, size);
|
|
}
|
|
|
|
static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
sendto(s->fd, buf, size, 0,
|
|
(struct sockaddr *)&s->dgram_dst, sizeof(s->dgram_dst));
|
|
}
|
|
|
|
static void net_socket_send(void *opaque)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
int l, size, err;
|
|
uint8_t buf1[4096];
|
|
const uint8_t *buf;
|
|
|
|
size = recv(s->fd, buf1, sizeof(buf1), 0);
|
|
if (size < 0) {
|
|
err = socket_error();
|
|
if (err != EWOULDBLOCK)
|
|
goto eoc;
|
|
} else if (size == 0) {
|
|
/* end of connection */
|
|
eoc:
|
|
qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
|
|
closesocket(s->fd);
|
|
return;
|
|
}
|
|
buf = buf1;
|
|
while (size > 0) {
|
|
/* reassemble a packet from the network */
|
|
switch(s->state) {
|
|
case 0:
|
|
l = 4 - s->index;
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(s->buf + s->index, buf, l);
|
|
buf += l;
|
|
size -= l;
|
|
s->index += l;
|
|
if (s->index == 4) {
|
|
/* got length */
|
|
s->packet_len = ntohl(*(uint32_t *)s->buf);
|
|
s->index = 0;
|
|
s->state = 1;
|
|
}
|
|
break;
|
|
case 1:
|
|
l = s->packet_len - s->index;
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(s->buf + s->index, buf, l);
|
|
s->index += l;
|
|
buf += l;
|
|
size -= l;
|
|
if (s->index >= s->packet_len) {
|
|
qemu_send_packet(s->vc, s->buf, s->packet_len);
|
|
s->index = 0;
|
|
s->state = 0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void net_socket_send_dgram(void *opaque)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
int size;
|
|
|
|
size = recv(s->fd, s->buf, sizeof(s->buf), 0);
|
|
if (size < 0)
|
|
return;
|
|
if (size == 0) {
|
|
/* end of connection */
|
|
qemu_set_fd_handler(s->fd, NULL, NULL, NULL);
|
|
return;
|
|
}
|
|
qemu_send_packet(s->vc, s->buf, size);
|
|
}
|
|
|
|
static int net_socket_mcast_create(struct sockaddr_in *mcastaddr)
|
|
{
|
|
struct ip_mreq imr;
|
|
int fd;
|
|
int val, ret;
|
|
if (!IN_MULTICAST(ntohl(mcastaddr->sin_addr.s_addr))) {
|
|
fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" (0x%08x) does not contain a multicast address\n",
|
|
inet_ntoa(mcastaddr->sin_addr),
|
|
(int)ntohl(mcastaddr->sin_addr.s_addr));
|
|
return -1;
|
|
|
|
}
|
|
fd = socket(PF_INET, SOCK_DGRAM, 0);
|
|
if (fd < 0) {
|
|
perror("socket(PF_INET, SOCK_DGRAM)");
|
|
return -1;
|
|
}
|
|
|
|
val = 1;
|
|
ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
|
|
(const char *)&val, sizeof(val));
|
|
if (ret < 0) {
|
|
perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)");
|
|
goto fail;
|
|
}
|
|
|
|
ret = bind(fd, (struct sockaddr *)mcastaddr, sizeof(*mcastaddr));
|
|
if (ret < 0) {
|
|
perror("bind");
|
|
goto fail;
|
|
}
|
|
|
|
/* Add host to multicast group */
|
|
imr.imr_multiaddr = mcastaddr->sin_addr;
|
|
imr.imr_interface.s_addr = htonl(INADDR_ANY);
|
|
|
|
ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
|
|
(const char *)&imr, sizeof(struct ip_mreq));
|
|
if (ret < 0) {
|
|
perror("setsockopt(IP_ADD_MEMBERSHIP)");
|
|
goto fail;
|
|
}
|
|
|
|
/* Force mcast msgs to loopback (eg. several QEMUs in same host */
|
|
val = 1;
|
|
ret=setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
|
|
(const char *)&val, sizeof(val));
|
|
if (ret < 0) {
|
|
perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)");
|
|
goto fail;
|
|
}
|
|
|
|
socket_set_nonblock(fd);
|
|
return fd;
|
|
fail:
|
|
if (fd >= 0)
|
|
closesocket(fd);
|
|
return -1;
|
|
}
|
|
|
|
static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd,
|
|
int is_connected)
|
|
{
|
|
struct sockaddr_in saddr;
|
|
int newfd;
|
|
socklen_t saddr_len;
|
|
NetSocketState *s;
|
|
|
|
/* fd passed: multicast: "learn" dgram_dst address from bound address and save it
|
|
* Because this may be "shared" socket from a "master" process, datagrams would be recv()
|
|
* by ONLY ONE process: we must "clone" this dgram socket --jjo
|
|
*/
|
|
|
|
if (is_connected) {
|
|
if (getsockname(fd, (struct sockaddr *) &saddr, &saddr_len) == 0) {
|
|
/* must be bound */
|
|
if (saddr.sin_addr.s_addr==0) {
|
|
fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n",
|
|
fd);
|
|
return NULL;
|
|
}
|
|
/* clone dgram socket */
|
|
newfd = net_socket_mcast_create(&saddr);
|
|
if (newfd < 0) {
|
|
/* error already reported by net_socket_mcast_create() */
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
/* clone newfd to fd, close newfd */
|
|
dup2(newfd, fd);
|
|
close(newfd);
|
|
|
|
} else {
|
|
fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n",
|
|
fd, strerror(errno));
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
s = qemu_mallocz(sizeof(NetSocketState));
|
|
if (!s)
|
|
return NULL;
|
|
s->fd = fd;
|
|
|
|
s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s);
|
|
qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s);
|
|
|
|
/* mcast: save bound address as dst */
|
|
if (is_connected) s->dgram_dst=saddr;
|
|
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"socket: fd=%d (%s mcast=%s:%d)",
|
|
fd, is_connected? "cloned" : "",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
return s;
|
|
}
|
|
|
|
static void net_socket_connect(void *opaque)
|
|
{
|
|
NetSocketState *s = opaque;
|
|
qemu_set_fd_handler(s->fd, net_socket_send, NULL, s);
|
|
}
|
|
|
|
static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd,
|
|
int is_connected)
|
|
{
|
|
NetSocketState *s;
|
|
s = qemu_mallocz(sizeof(NetSocketState));
|
|
if (!s)
|
|
return NULL;
|
|
s->fd = fd;
|
|
s->vc = qemu_new_vlan_client(vlan,
|
|
net_socket_receive, NULL, s);
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"socket: fd=%d", fd);
|
|
if (is_connected) {
|
|
net_socket_connect(s);
|
|
} else {
|
|
qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd,
|
|
int is_connected)
|
|
{
|
|
int so_type=-1, optlen=sizeof(so_type);
|
|
|
|
if(getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&so_type, &optlen)< 0) {
|
|
fprintf(stderr, "qemu: error: setsockopt(SO_TYPE) for fd=%d failed\n", fd);
|
|
return NULL;
|
|
}
|
|
switch(so_type) {
|
|
case SOCK_DGRAM:
|
|
return net_socket_fd_init_dgram(vlan, fd, is_connected);
|
|
case SOCK_STREAM:
|
|
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
|
default:
|
|
/* who knows ... this could be a eg. a pty, do warn and continue as stream */
|
|
fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd);
|
|
return net_socket_fd_init_stream(vlan, fd, is_connected);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void net_socket_accept(void *opaque)
|
|
{
|
|
NetSocketListenState *s = opaque;
|
|
NetSocketState *s1;
|
|
struct sockaddr_in saddr;
|
|
socklen_t len;
|
|
int fd;
|
|
|
|
for(;;) {
|
|
len = sizeof(saddr);
|
|
fd = accept(s->fd, (struct sockaddr *)&saddr, &len);
|
|
if (fd < 0 && errno != EINTR) {
|
|
return;
|
|
} else if (fd >= 0) {
|
|
break;
|
|
}
|
|
}
|
|
s1 = net_socket_fd_init(s->vlan, fd, 1);
|
|
if (!s1) {
|
|
closesocket(fd);
|
|
} else {
|
|
snprintf(s1->vc->info_str, sizeof(s1->vc->info_str),
|
|
"socket: connection from %s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
}
|
|
}
|
|
|
|
static int net_socket_listen_init(VLANState *vlan, const char *host_str)
|
|
{
|
|
NetSocketListenState *s;
|
|
int fd, val, ret;
|
|
struct sockaddr_in saddr;
|
|
|
|
if (parse_host_port(&saddr, host_str) < 0)
|
|
return -1;
|
|
|
|
s = qemu_mallocz(sizeof(NetSocketListenState));
|
|
if (!s)
|
|
return -1;
|
|
|
|
fd = socket(PF_INET, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
socket_set_nonblock(fd);
|
|
|
|
/* allow fast reuse */
|
|
val = 1;
|
|
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
|
|
|
|
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
|
|
if (ret < 0) {
|
|
perror("bind");
|
|
return -1;
|
|
}
|
|
ret = listen(fd, 0);
|
|
if (ret < 0) {
|
|
perror("listen");
|
|
return -1;
|
|
}
|
|
s->vlan = vlan;
|
|
s->fd = fd;
|
|
qemu_set_fd_handler(fd, net_socket_accept, NULL, s);
|
|
return 0;
|
|
}
|
|
|
|
static int net_socket_connect_init(VLANState *vlan, const char *host_str)
|
|
{
|
|
NetSocketState *s;
|
|
int fd, connected, ret, err;
|
|
struct sockaddr_in saddr;
|
|
|
|
if (parse_host_port(&saddr, host_str) < 0)
|
|
return -1;
|
|
|
|
fd = socket(PF_INET, SOCK_STREAM, 0);
|
|
if (fd < 0) {
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
socket_set_nonblock(fd);
|
|
|
|
connected = 0;
|
|
for(;;) {
|
|
ret = connect(fd, (struct sockaddr *)&saddr, sizeof(saddr));
|
|
if (ret < 0) {
|
|
err = socket_error();
|
|
if (err == EINTR || err == EWOULDBLOCK) {
|
|
} else if (err == EINPROGRESS) {
|
|
break;
|
|
} else {
|
|
perror("connect");
|
|
closesocket(fd);
|
|
return -1;
|
|
}
|
|
} else {
|
|
connected = 1;
|
|
break;
|
|
}
|
|
}
|
|
s = net_socket_fd_init(vlan, fd, connected);
|
|
if (!s)
|
|
return -1;
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"socket: connect to %s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
return 0;
|
|
}
|
|
|
|
static int net_socket_mcast_init(VLANState *vlan, const char *host_str)
|
|
{
|
|
NetSocketState *s;
|
|
int fd;
|
|
struct sockaddr_in saddr;
|
|
|
|
if (parse_host_port(&saddr, host_str) < 0)
|
|
return -1;
|
|
|
|
|
|
fd = net_socket_mcast_create(&saddr);
|
|
if (fd < 0)
|
|
return -1;
|
|
|
|
s = net_socket_fd_init(vlan, fd, 0);
|
|
if (!s)
|
|
return -1;
|
|
|
|
s->dgram_dst = saddr;
|
|
|
|
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
|
|
"socket: mcast=%s:%d",
|
|
inet_ntoa(saddr.sin_addr), ntohs(saddr.sin_port));
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int get_param_value(char *buf, int buf_size,
|
|
const char *tag, const char *str)
|
|
{
|
|
const char *p;
|
|
char *q;
|
|
char option[128];
|
|
|
|
p = str;
|
|
for(;;) {
|
|
q = option;
|
|
while (*p != '\0' && *p != '=') {
|
|
if ((q - option) < sizeof(option) - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
if (*p != '=')
|
|
break;
|
|
p++;
|
|
if (!strcmp(tag, option)) {
|
|
q = buf;
|
|
while (*p != '\0' && *p != ',') {
|
|
if ((q - buf) < buf_size - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
return q - buf;
|
|
} else {
|
|
while (*p != '\0' && *p != ',') {
|
|
p++;
|
|
}
|
|
}
|
|
if (*p != ',')
|
|
break;
|
|
p++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int net_client_init(const char *str)
|
|
{
|
|
const char *p;
|
|
char *q;
|
|
char device[64];
|
|
char buf[1024];
|
|
int vlan_id, ret;
|
|
VLANState *vlan;
|
|
|
|
p = str;
|
|
q = device;
|
|
while (*p != '\0' && *p != ',') {
|
|
if ((q - device) < sizeof(device) - 1)
|
|
*q++ = *p;
|
|
p++;
|
|
}
|
|
*q = '\0';
|
|
if (*p == ',')
|
|
p++;
|
|
vlan_id = 0;
|
|
if (get_param_value(buf, sizeof(buf), "vlan", p)) {
|
|
vlan_id = strtol(buf, NULL, 0);
|
|
}
|
|
vlan = qemu_find_vlan(vlan_id);
|
|
if (!vlan) {
|
|
fprintf(stderr, "Could not create vlan %d\n", vlan_id);
|
|
return -1;
|
|
}
|
|
if (!strcmp(device, "nic")) {
|
|
NICInfo *nd;
|
|
uint8_t *macaddr;
|
|
|
|
if (nb_nics >= MAX_NICS) {
|
|
fprintf(stderr, "Too Many NICs\n");
|
|
return -1;
|
|
}
|
|
nd = &nd_table[nb_nics];
|
|
macaddr = nd->macaddr;
|
|
macaddr[0] = 0x52;
|
|
macaddr[1] = 0x54;
|
|
macaddr[2] = 0x00;
|
|
macaddr[3] = 0x12;
|
|
macaddr[4] = 0x34;
|
|
macaddr[5] = 0x56 + nb_nics;
|
|
|
|
if (get_param_value(buf, sizeof(buf), "macaddr", p)) {
|
|
if (parse_macaddr(macaddr, buf) < 0) {
|
|
fprintf(stderr, "invalid syntax for ethernet address\n");
|
|
return -1;
|
|
}
|
|
}
|
|
if (get_param_value(buf, sizeof(buf), "model", p)) {
|
|
nd->model = strdup(buf);
|
|
}
|
|
nd->vlan = vlan;
|
|
nb_nics++;
|
|
ret = 0;
|
|
} else
|
|
if (!strcmp(device, "none")) {
|
|
/* does nothing. It is needed to signal that no network cards
|
|
are wanted */
|
|
ret = 0;
|
|
} else
|
|
#ifdef CONFIG_SLIRP
|
|
if (!strcmp(device, "user")) {
|
|
if (get_param_value(buf, sizeof(buf), "hostname", p)) {
|
|
pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf);
|
|
}
|
|
ret = net_slirp_init(vlan);
|
|
} else
|
|
#endif
|
|
#ifdef _WIN32
|
|
if (!strcmp(device, "tap")) {
|
|
char ifname[64];
|
|
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
|
|
fprintf(stderr, "tap: no interface name\n");
|
|
return -1;
|
|
}
|
|
ret = tap_win32_init(vlan, ifname);
|
|
} else
|
|
#else
|
|
if (!strcmp(device, "tap")) {
|
|
char ifname[64];
|
|
char setup_script[1024];
|
|
int fd;
|
|
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
|
|
fd = strtol(buf, NULL, 0);
|
|
ret = -1;
|
|
if (net_tap_fd_init(vlan, fd))
|
|
ret = 0;
|
|
} else {
|
|
if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
|
|
ifname[0] = '\0';
|
|
}
|
|
if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
|
|
pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
|
|
}
|
|
ret = net_tap_init(vlan, ifname, setup_script);
|
|
}
|
|
} else
|
|
#endif
|
|
if (!strcmp(device, "socket")) {
|
|
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
|
|
int fd;
|
|
fd = strtol(buf, NULL, 0);
|
|
ret = -1;
|
|
if (net_socket_fd_init(vlan, fd, 1))
|
|
ret = 0;
|
|
} else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) {
|
|
ret = net_socket_listen_init(vlan, buf);
|
|
} else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) {
|
|
ret = net_socket_connect_init(vlan, buf);
|
|
} else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) {
|
|
ret = net_socket_mcast_init(vlan, buf);
|
|
} else {
|
|
fprintf(stderr, "Unknown socket options: %s\n", p);
|
|
return -1;
|
|
}
|
|
} else
|
|
{
|
|
fprintf(stderr, "Unknown network device: %s\n", device);
|
|
return -1;
|
|
}
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Could not initialize device '%s'\n", device);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void do_info_network(void)
|
|
{
|
|
VLANState *vlan;
|
|
VLANClientState *vc;
|
|
|
|
for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) {
|
|
term_printf("VLAN %d devices:\n", vlan->id);
|
|
for(vc = vlan->first_client; vc != NULL; vc = vc->next)
|
|
term_printf(" %s\n", vc->info_str);
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* USB devices */
|
|
|
|
static USBPort *used_usb_ports;
|
|
static USBPort *free_usb_ports;
|
|
|
|
/* ??? Maybe change this to register a hub to keep track of the topology. */
|
|
void qemu_register_usb_port(USBPort *port, void *opaque, int index,
|
|
usb_attachfn attach)
|
|
{
|
|
port->opaque = opaque;
|
|
port->index = index;
|
|
port->attach = attach;
|
|
port->next = free_usb_ports;
|
|
free_usb_ports = port;
|
|
}
|
|
|
|
static int usb_device_add(const char *devname)
|
|
{
|
|
const char *p;
|
|
USBDevice *dev;
|
|
USBPort *port;
|
|
|
|
if (!free_usb_ports)
|
|
return -1;
|
|
|
|
if (strstart(devname, "host:", &p)) {
|
|
dev = usb_host_device_open(p);
|
|
} else if (!strcmp(devname, "mouse")) {
|
|
dev = usb_mouse_init();
|
|
} else if (!strcmp(devname, "tablet")) {
|
|
dev = usb_tablet_init();
|
|
} else if (strstart(devname, "disk:", &p)) {
|
|
dev = usb_msd_init(p);
|
|
} else {
|
|
return -1;
|
|
}
|
|
if (!dev)
|
|
return -1;
|
|
|
|
/* Find a USB port to add the device to. */
|
|
port = free_usb_ports;
|
|
if (!port->next) {
|
|
USBDevice *hub;
|
|
|
|
/* Create a new hub and chain it on. */
|
|
free_usb_ports = NULL;
|
|
port->next = used_usb_ports;
|
|
used_usb_ports = port;
|
|
|
|
hub = usb_hub_init(VM_USB_HUB_SIZE);
|
|
usb_attach(port, hub);
|
|
port = free_usb_ports;
|
|
}
|
|
|
|
free_usb_ports = port->next;
|
|
port->next = used_usb_ports;
|
|
used_usb_ports = port;
|
|
usb_attach(port, dev);
|
|
return 0;
|
|
}
|
|
|
|
static int usb_device_del(const char *devname)
|
|
{
|
|
USBPort *port;
|
|
USBPort **lastp;
|
|
USBDevice *dev;
|
|
int bus_num, addr;
|
|
const char *p;
|
|
|
|
if (!used_usb_ports)
|
|
return -1;
|
|
|
|
p = strchr(devname, '.');
|
|
if (!p)
|
|
return -1;
|
|
bus_num = strtoul(devname, NULL, 0);
|
|
addr = strtoul(p + 1, NULL, 0);
|
|
if (bus_num != 0)
|
|
return -1;
|
|
|
|
lastp = &used_usb_ports;
|
|
port = used_usb_ports;
|
|
while (port && port->dev->addr != addr) {
|
|
lastp = &port->next;
|
|
port = port->next;
|
|
}
|
|
|
|
if (!port)
|
|
return -1;
|
|
|
|
dev = port->dev;
|
|
*lastp = port->next;
|
|
usb_attach(port, NULL);
|
|
dev->handle_destroy(dev);
|
|
port->next = free_usb_ports;
|
|
free_usb_ports = port;
|
|
return 0;
|
|
}
|
|
|
|
void do_usb_add(const char *devname)
|
|
{
|
|
int ret;
|
|
ret = usb_device_add(devname);
|
|
if (ret < 0)
|
|
term_printf("Could not add USB device '%s'\n", devname);
|
|
}
|
|
|
|
void do_usb_del(const char *devname)
|
|
{
|
|
int ret;
|
|
ret = usb_device_del(devname);
|
|
if (ret < 0)
|
|
term_printf("Could not remove USB device '%s'\n", devname);
|
|
}
|
|
|
|
void usb_info(void)
|
|
{
|
|
USBDevice *dev;
|
|
USBPort *port;
|
|
const char *speed_str;
|
|
|
|
if (!usb_enabled) {
|
|
term_printf("USB support not enabled\n");
|
|
return;
|
|
}
|
|
|
|
for (port = used_usb_ports; port; port = port->next) {
|
|
dev = port->dev;
|
|
if (!dev)
|
|
continue;
|
|
switch(dev->speed) {
|
|
case USB_SPEED_LOW:
|
|
speed_str = "1.5";
|
|
break;
|
|
case USB_SPEED_FULL:
|
|
speed_str = "12";
|
|
break;
|
|
case USB_SPEED_HIGH:
|
|
speed_str = "480";
|
|
break;
|
|
default:
|
|
speed_str = "?";
|
|
break;
|
|
}
|
|
term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n",
|
|
0, dev->addr, speed_str, dev->devname);
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* pid file */
|
|
|
|
static char *pid_filename;
|
|
|
|
/* Remove PID file. Called on normal exit */
|
|
|
|
static void remove_pidfile(void)
|
|
{
|
|
unlink (pid_filename);
|
|
}
|
|
|
|
static void create_pidfile(const char *filename)
|
|
{
|
|
struct stat pidstat;
|
|
FILE *f;
|
|
|
|
/* Try to write our PID to the named file */
|
|
if (stat(filename, &pidstat) < 0) {
|
|
if (errno == ENOENT) {
|
|
if ((f = fopen (filename, "w")) == NULL) {
|
|
perror("Opening pidfile");
|
|
exit(1);
|
|
}
|
|
fprintf(f, "%d\n", getpid());
|
|
fclose(f);
|
|
pid_filename = qemu_strdup(filename);
|
|
if (!pid_filename) {
|
|
fprintf(stderr, "Could not save PID filename");
|
|
exit(1);
|
|
}
|
|
atexit(remove_pidfile);
|
|
}
|
|
} else {
|
|
fprintf(stderr, "%s already exists. Remove it and try again.\n",
|
|
filename);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* dumb display */
|
|
|
|
static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
|
|
{
|
|
}
|
|
|
|
static void dumb_resize(DisplayState *ds, int w, int h)
|
|
{
|
|
}
|
|
|
|
static void dumb_refresh(DisplayState *ds)
|
|
{
|
|
vga_hw_update();
|
|
}
|
|
|
|
void dumb_display_init(DisplayState *ds)
|
|
{
|
|
ds->data = NULL;
|
|
ds->linesize = 0;
|
|
ds->depth = 0;
|
|
ds->dpy_update = dumb_update;
|
|
ds->dpy_resize = dumb_resize;
|
|
ds->dpy_refresh = dumb_refresh;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* I/O handling */
|
|
|
|
#define MAX_IO_HANDLERS 64
|
|
|
|
typedef struct IOHandlerRecord {
|
|
int fd;
|
|
IOCanRWHandler *fd_read_poll;
|
|
IOHandler *fd_read;
|
|
IOHandler *fd_write;
|
|
void *opaque;
|
|
/* temporary data */
|
|
struct pollfd *ufd;
|
|
struct IOHandlerRecord *next;
|
|
} IOHandlerRecord;
|
|
|
|
static IOHandlerRecord *first_io_handler;
|
|
|
|
/* XXX: fd_read_poll should be suppressed, but an API change is
|
|
necessary in the character devices to suppress fd_can_read(). */
|
|
int qemu_set_fd_handler2(int fd,
|
|
IOCanRWHandler *fd_read_poll,
|
|
IOHandler *fd_read,
|
|
IOHandler *fd_write,
|
|
void *opaque)
|
|
{
|
|
IOHandlerRecord **pioh, *ioh;
|
|
|
|
if (!fd_read && !fd_write) {
|
|
pioh = &first_io_handler;
|
|
for(;;) {
|
|
ioh = *pioh;
|
|
if (ioh == NULL)
|
|
break;
|
|
if (ioh->fd == fd) {
|
|
*pioh = ioh->next;
|
|
qemu_free(ioh);
|
|
break;
|
|
}
|
|
pioh = &ioh->next;
|
|
}
|
|
} else {
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
|
|
if (ioh->fd == fd)
|
|
goto found;
|
|
}
|
|
ioh = qemu_mallocz(sizeof(IOHandlerRecord));
|
|
if (!ioh)
|
|
return -1;
|
|
ioh->next = first_io_handler;
|
|
first_io_handler = ioh;
|
|
found:
|
|
ioh->fd = fd;
|
|
ioh->fd_read_poll = fd_read_poll;
|
|
ioh->fd_read = fd_read;
|
|
ioh->fd_write = fd_write;
|
|
ioh->opaque = opaque;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int qemu_set_fd_handler(int fd,
|
|
IOHandler *fd_read,
|
|
IOHandler *fd_write,
|
|
void *opaque)
|
|
{
|
|
return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* Polling handling */
|
|
|
|
typedef struct PollingEntry {
|
|
PollingFunc *func;
|
|
void *opaque;
|
|
struct PollingEntry *next;
|
|
} PollingEntry;
|
|
|
|
static PollingEntry *first_polling_entry;
|
|
|
|
int qemu_add_polling_cb(PollingFunc *func, void *opaque)
|
|
{
|
|
PollingEntry **ppe, *pe;
|
|
pe = qemu_mallocz(sizeof(PollingEntry));
|
|
if (!pe)
|
|
return -1;
|
|
pe->func = func;
|
|
pe->opaque = opaque;
|
|
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
|
|
*ppe = pe;
|
|
return 0;
|
|
}
|
|
|
|
void qemu_del_polling_cb(PollingFunc *func, void *opaque)
|
|
{
|
|
PollingEntry **ppe, *pe;
|
|
for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
|
|
pe = *ppe;
|
|
if (pe->func == func && pe->opaque == opaque) {
|
|
*ppe = pe->next;
|
|
qemu_free(pe);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
/***********************************************************/
|
|
/* Wait objects support */
|
|
typedef struct WaitObjects {
|
|
int num;
|
|
HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
|
|
WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
|
|
void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
|
|
} WaitObjects;
|
|
|
|
static WaitObjects wait_objects = {0};
|
|
|
|
int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
|
|
{
|
|
WaitObjects *w = &wait_objects;
|
|
|
|
if (w->num >= MAXIMUM_WAIT_OBJECTS)
|
|
return -1;
|
|
w->events[w->num] = handle;
|
|
w->func[w->num] = func;
|
|
w->opaque[w->num] = opaque;
|
|
w->num++;
|
|
return 0;
|
|
}
|
|
|
|
void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
|
|
{
|
|
int i, found;
|
|
WaitObjects *w = &wait_objects;
|
|
|
|
found = 0;
|
|
for (i = 0; i < w->num; i++) {
|
|
if (w->events[i] == handle)
|
|
found = 1;
|
|
if (found) {
|
|
w->events[i] = w->events[i + 1];
|
|
w->func[i] = w->func[i + 1];
|
|
w->opaque[i] = w->opaque[i + 1];
|
|
}
|
|
}
|
|
if (found)
|
|
w->num--;
|
|
}
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* savevm/loadvm support */
|
|
|
|
#define IO_BUF_SIZE 32768
|
|
|
|
struct QEMUFile {
|
|
FILE *outfile;
|
|
BlockDriverState *bs;
|
|
int is_file;
|
|
int is_writable;
|
|
int64_t base_offset;
|
|
int64_t buf_offset; /* start of buffer when writing, end of buffer
|
|
when reading */
|
|
int buf_index;
|
|
int buf_size; /* 0 when writing */
|
|
uint8_t buf[IO_BUF_SIZE];
|
|
};
|
|
|
|
QEMUFile *qemu_fopen(const char *filename, const char *mode)
|
|
{
|
|
QEMUFile *f;
|
|
|
|
f = qemu_mallocz(sizeof(QEMUFile));
|
|
if (!f)
|
|
return NULL;
|
|
if (!strcmp(mode, "wb")) {
|
|
f->is_writable = 1;
|
|
} else if (!strcmp(mode, "rb")) {
|
|
f->is_writable = 0;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
f->outfile = fopen(filename, mode);
|
|
if (!f->outfile)
|
|
goto fail;
|
|
f->is_file = 1;
|
|
return f;
|
|
fail:
|
|
if (f->outfile)
|
|
fclose(f->outfile);
|
|
qemu_free(f);
|
|
return NULL;
|
|
}
|
|
|
|
QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable)
|
|
{
|
|
QEMUFile *f;
|
|
|
|
f = qemu_mallocz(sizeof(QEMUFile));
|
|
if (!f)
|
|
return NULL;
|
|
f->is_file = 0;
|
|
f->bs = bs;
|
|
f->is_writable = is_writable;
|
|
f->base_offset = offset;
|
|
return f;
|
|
}
|
|
|
|
void qemu_fflush(QEMUFile *f)
|
|
{
|
|
if (!f->is_writable)
|
|
return;
|
|
if (f->buf_index > 0) {
|
|
if (f->is_file) {
|
|
fseek(f->outfile, f->buf_offset, SEEK_SET);
|
|
fwrite(f->buf, 1, f->buf_index, f->outfile);
|
|
} else {
|
|
bdrv_pwrite(f->bs, f->base_offset + f->buf_offset,
|
|
f->buf, f->buf_index);
|
|
}
|
|
f->buf_offset += f->buf_index;
|
|
f->buf_index = 0;
|
|
}
|
|
}
|
|
|
|
static void qemu_fill_buffer(QEMUFile *f)
|
|
{
|
|
int len;
|
|
|
|
if (f->is_writable)
|
|
return;
|
|
if (f->is_file) {
|
|
fseek(f->outfile, f->buf_offset, SEEK_SET);
|
|
len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile);
|
|
if (len < 0)
|
|
len = 0;
|
|
} else {
|
|
len = bdrv_pread(f->bs, f->base_offset + f->buf_offset,
|
|
f->buf, IO_BUF_SIZE);
|
|
if (len < 0)
|
|
len = 0;
|
|
}
|
|
f->buf_index = 0;
|
|
f->buf_size = len;
|
|
f->buf_offset += len;
|
|
}
|
|
|
|
void qemu_fclose(QEMUFile *f)
|
|
{
|
|
if (f->is_writable)
|
|
qemu_fflush(f);
|
|
if (f->is_file) {
|
|
fclose(f->outfile);
|
|
}
|
|
qemu_free(f);
|
|
}
|
|
|
|
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size)
|
|
{
|
|
int l;
|
|
while (size > 0) {
|
|
l = IO_BUF_SIZE - f->buf_index;
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(f->buf + f->buf_index, buf, l);
|
|
f->buf_index += l;
|
|
buf += l;
|
|
size -= l;
|
|
if (f->buf_index >= IO_BUF_SIZE)
|
|
qemu_fflush(f);
|
|
}
|
|
}
|
|
|
|
void qemu_put_byte(QEMUFile *f, int v)
|
|
{
|
|
f->buf[f->buf_index++] = v;
|
|
if (f->buf_index >= IO_BUF_SIZE)
|
|
qemu_fflush(f);
|
|
}
|
|
|
|
int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1)
|
|
{
|
|
int size, l;
|
|
|
|
size = size1;
|
|
while (size > 0) {
|
|
l = f->buf_size - f->buf_index;
|
|
if (l == 0) {
|
|
qemu_fill_buffer(f);
|
|
l = f->buf_size - f->buf_index;
|
|
if (l == 0)
|
|
break;
|
|
}
|
|
if (l > size)
|
|
l = size;
|
|
memcpy(buf, f->buf + f->buf_index, l);
|
|
f->buf_index += l;
|
|
buf += l;
|
|
size -= l;
|
|
}
|
|
return size1 - size;
|
|
}
|
|
|
|
int qemu_get_byte(QEMUFile *f)
|
|
{
|
|
if (f->buf_index >= f->buf_size) {
|
|
qemu_fill_buffer(f);
|
|
if (f->buf_index >= f->buf_size)
|
|
return 0;
|
|
}
|
|
return f->buf[f->buf_index++];
|
|
}
|
|
|
|
int64_t qemu_ftell(QEMUFile *f)
|
|
{
|
|
return f->buf_offset - f->buf_size + f->buf_index;
|
|
}
|
|
|
|
int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence)
|
|
{
|
|
if (whence == SEEK_SET) {
|
|
/* nothing to do */
|
|
} else if (whence == SEEK_CUR) {
|
|
pos += qemu_ftell(f);
|
|
} else {
|
|
/* SEEK_END not supported */
|
|
return -1;
|
|
}
|
|
if (f->is_writable) {
|
|
qemu_fflush(f);
|
|
f->buf_offset = pos;
|
|
} else {
|
|
f->buf_offset = pos;
|
|
f->buf_index = 0;
|
|
f->buf_size = 0;
|
|
}
|
|
return pos;
|
|
}
|
|
|
|
void qemu_put_be16(QEMUFile *f, unsigned int v)
|
|
{
|
|
qemu_put_byte(f, v >> 8);
|
|
qemu_put_byte(f, v);
|
|
}
|
|
|
|
void qemu_put_be32(QEMUFile *f, unsigned int v)
|
|
{
|
|
qemu_put_byte(f, v >> 24);
|
|
qemu_put_byte(f, v >> 16);
|
|
qemu_put_byte(f, v >> 8);
|
|
qemu_put_byte(f, v);
|
|
}
|
|
|
|
void qemu_put_be64(QEMUFile *f, uint64_t v)
|
|
{
|
|
qemu_put_be32(f, v >> 32);
|
|
qemu_put_be32(f, v);
|
|
}
|
|
|
|
unsigned int qemu_get_be16(QEMUFile *f)
|
|
{
|
|
unsigned int v;
|
|
v = qemu_get_byte(f) << 8;
|
|
v |= qemu_get_byte(f);
|
|
return v;
|
|
}
|
|
|
|
unsigned int qemu_get_be32(QEMUFile *f)
|
|
{
|
|
unsigned int v;
|
|
v = qemu_get_byte(f) << 24;
|
|
v |= qemu_get_byte(f) << 16;
|
|
v |= qemu_get_byte(f) << 8;
|
|
v |= qemu_get_byte(f);
|
|
return v;
|
|
}
|
|
|
|
uint64_t qemu_get_be64(QEMUFile *f)
|
|
{
|
|
uint64_t v;
|
|
v = (uint64_t)qemu_get_be32(f) << 32;
|
|
v |= qemu_get_be32(f);
|
|
return v;
|
|
}
|
|
|
|
typedef struct SaveStateEntry {
|
|
char idstr[256];
|
|
int instance_id;
|
|
int version_id;
|
|
SaveStateHandler *save_state;
|
|
LoadStateHandler *load_state;
|
|
void *opaque;
|
|
struct SaveStateEntry *next;
|
|
} SaveStateEntry;
|
|
|
|
static SaveStateEntry *first_se;
|
|
|
|
int register_savevm(const char *idstr,
|
|
int instance_id,
|
|
int version_id,
|
|
SaveStateHandler *save_state,
|
|
LoadStateHandler *load_state,
|
|
void *opaque)
|
|
{
|
|
SaveStateEntry *se, **pse;
|
|
|
|
se = qemu_malloc(sizeof(SaveStateEntry));
|
|
if (!se)
|
|
return -1;
|
|
pstrcpy(se->idstr, sizeof(se->idstr), idstr);
|
|
se->instance_id = instance_id;
|
|
se->version_id = version_id;
|
|
se->save_state = save_state;
|
|
se->load_state = load_state;
|
|
se->opaque = opaque;
|
|
se->next = NULL;
|
|
|
|
/* add at the end of list */
|
|
pse = &first_se;
|
|
while (*pse != NULL)
|
|
pse = &(*pse)->next;
|
|
*pse = se;
|
|
return 0;
|
|
}
|
|
|
|
#define QEMU_VM_FILE_MAGIC 0x5145564d
|
|
#define QEMU_VM_FILE_VERSION 0x00000002
|
|
|
|
int qemu_savevm_state(QEMUFile *f)
|
|
{
|
|
SaveStateEntry *se;
|
|
int len, ret;
|
|
int64_t cur_pos, len_pos, total_len_pos;
|
|
|
|
qemu_put_be32(f, QEMU_VM_FILE_MAGIC);
|
|
qemu_put_be32(f, QEMU_VM_FILE_VERSION);
|
|
total_len_pos = qemu_ftell(f);
|
|
qemu_put_be64(f, 0); /* total size */
|
|
|
|
for(se = first_se; se != NULL; se = se->next) {
|
|
/* ID string */
|
|
len = strlen(se->idstr);
|
|
qemu_put_byte(f, len);
|
|
qemu_put_buffer(f, se->idstr, len);
|
|
|
|
qemu_put_be32(f, se->instance_id);
|
|
qemu_put_be32(f, se->version_id);
|
|
|
|
/* record size: filled later */
|
|
len_pos = qemu_ftell(f);
|
|
qemu_put_be32(f, 0);
|
|
|
|
se->save_state(f, se->opaque);
|
|
|
|
/* fill record size */
|
|
cur_pos = qemu_ftell(f);
|
|
len = cur_pos - len_pos - 4;
|
|
qemu_fseek(f, len_pos, SEEK_SET);
|
|
qemu_put_be32(f, len);
|
|
qemu_fseek(f, cur_pos, SEEK_SET);
|
|
}
|
|
cur_pos = qemu_ftell(f);
|
|
qemu_fseek(f, total_len_pos, SEEK_SET);
|
|
qemu_put_be64(f, cur_pos - total_len_pos - 8);
|
|
qemu_fseek(f, cur_pos, SEEK_SET);
|
|
|
|
ret = 0;
|
|
return ret;
|
|
}
|
|
|
|
static SaveStateEntry *find_se(const char *idstr, int instance_id)
|
|
{
|
|
SaveStateEntry *se;
|
|
|
|
for(se = first_se; se != NULL; se = se->next) {
|
|
if (!strcmp(se->idstr, idstr) &&
|
|
instance_id == se->instance_id)
|
|
return se;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int qemu_loadvm_state(QEMUFile *f)
|
|
{
|
|
SaveStateEntry *se;
|
|
int len, ret, instance_id, record_len, version_id;
|
|
int64_t total_len, end_pos, cur_pos;
|
|
unsigned int v;
|
|
char idstr[256];
|
|
|
|
v = qemu_get_be32(f);
|
|
if (v != QEMU_VM_FILE_MAGIC)
|
|
goto fail;
|
|
v = qemu_get_be32(f);
|
|
if (v != QEMU_VM_FILE_VERSION) {
|
|
fail:
|
|
ret = -1;
|
|
goto the_end;
|
|
}
|
|
total_len = qemu_get_be64(f);
|
|
end_pos = total_len + qemu_ftell(f);
|
|
for(;;) {
|
|
if (qemu_ftell(f) >= end_pos)
|
|
break;
|
|
len = qemu_get_byte(f);
|
|
qemu_get_buffer(f, idstr, len);
|
|
idstr[len] = '\0';
|
|
instance_id = qemu_get_be32(f);
|
|
version_id = qemu_get_be32(f);
|
|
record_len = qemu_get_be32(f);
|
|
#if 0
|
|
printf("idstr=%s instance=0x%x version=%d len=%d\n",
|
|
idstr, instance_id, version_id, record_len);
|
|
#endif
|
|
cur_pos = qemu_ftell(f);
|
|
se = find_se(idstr, instance_id);
|
|
if (!se) {
|
|
fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n",
|
|
instance_id, idstr);
|
|
} else {
|
|
ret = se->load_state(f, se->opaque, version_id);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n",
|
|
instance_id, idstr);
|
|
}
|
|
}
|
|
/* always seek to exact end of record */
|
|
qemu_fseek(f, cur_pos + record_len, SEEK_SET);
|
|
}
|
|
ret = 0;
|
|
the_end:
|
|
return ret;
|
|
}
|
|
|
|
/* device can contain snapshots */
|
|
static int bdrv_can_snapshot(BlockDriverState *bs)
|
|
{
|
|
return (bs &&
|
|
!bdrv_is_removable(bs) &&
|
|
!bdrv_is_read_only(bs));
|
|
}
|
|
|
|
/* device must be snapshots in order to have a reliable snapshot */
|
|
static int bdrv_has_snapshot(BlockDriverState *bs)
|
|
{
|
|
return (bs &&
|
|
!bdrv_is_removable(bs) &&
|
|
!bdrv_is_read_only(bs));
|
|
}
|
|
|
|
static BlockDriverState *get_bs_snapshots(void)
|
|
{
|
|
BlockDriverState *bs;
|
|
int i;
|
|
|
|
if (bs_snapshots)
|
|
return bs_snapshots;
|
|
for(i = 0; i <= MAX_DISKS; i++) {
|
|
bs = bs_table[i];
|
|
if (bdrv_can_snapshot(bs))
|
|
goto ok;
|
|
}
|
|
return NULL;
|
|
ok:
|
|
bs_snapshots = bs;
|
|
return bs;
|
|
}
|
|
|
|
static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info,
|
|
const char *name)
|
|
{
|
|
QEMUSnapshotInfo *sn_tab, *sn;
|
|
int nb_sns, i, ret;
|
|
|
|
ret = -ENOENT;
|
|
nb_sns = bdrv_snapshot_list(bs, &sn_tab);
|
|
if (nb_sns < 0)
|
|
return ret;
|
|
for(i = 0; i < nb_sns; i++) {
|
|
sn = &sn_tab[i];
|
|
if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) {
|
|
*sn_info = *sn;
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
qemu_free(sn_tab);
|
|
return ret;
|
|
}
|
|
|
|
void do_savevm(const char *name)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1;
|
|
int must_delete, ret, i;
|
|
BlockDriverInfo bdi1, *bdi = &bdi1;
|
|
QEMUFile *f;
|
|
int saved_vm_running;
|
|
#ifdef _WIN32
|
|
struct _timeb tb;
|
|
#else
|
|
struct timeval tv;
|
|
#endif
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No block device can accept snapshots\n");
|
|
return;
|
|
}
|
|
|
|
/* ??? Should this occur after vm_stop? */
|
|
qemu_aio_flush();
|
|
|
|
saved_vm_running = vm_running;
|
|
vm_stop(0);
|
|
|
|
must_delete = 0;
|
|
if (name) {
|
|
ret = bdrv_snapshot_find(bs, old_sn, name);
|
|
if (ret >= 0) {
|
|
must_delete = 1;
|
|
}
|
|
}
|
|
memset(sn, 0, sizeof(*sn));
|
|
if (must_delete) {
|
|
pstrcpy(sn->name, sizeof(sn->name), old_sn->name);
|
|
pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str);
|
|
} else {
|
|
if (name)
|
|
pstrcpy(sn->name, sizeof(sn->name), name);
|
|
}
|
|
|
|
/* fill auxiliary fields */
|
|
#ifdef _WIN32
|
|
_ftime(&tb);
|
|
sn->date_sec = tb.time;
|
|
sn->date_nsec = tb.millitm * 1000000;
|
|
#else
|
|
gettimeofday(&tv, NULL);
|
|
sn->date_sec = tv.tv_sec;
|
|
sn->date_nsec = tv.tv_usec * 1000;
|
|
#endif
|
|
sn->vm_clock_nsec = qemu_get_clock(vm_clock);
|
|
|
|
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
|
|
term_printf("Device %s does not support VM state snapshots\n",
|
|
bdrv_get_device_name(bs));
|
|
goto the_end;
|
|
}
|
|
|
|
/* save the VM state */
|
|
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1);
|
|
if (!f) {
|
|
term_printf("Could not open VM state file\n");
|
|
goto the_end;
|
|
}
|
|
ret = qemu_savevm_state(f);
|
|
sn->vm_state_size = qemu_ftell(f);
|
|
qemu_fclose(f);
|
|
if (ret < 0) {
|
|
term_printf("Error %d while writing VM\n", ret);
|
|
goto the_end;
|
|
}
|
|
|
|
/* create the snapshots */
|
|
|
|
for(i = 0; i < MAX_DISKS; i++) {
|
|
bs1 = bs_table[i];
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
if (must_delete) {
|
|
ret = bdrv_snapshot_delete(bs1, old_sn->id_str);
|
|
if (ret < 0) {
|
|
term_printf("Error while deleting snapshot on '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
ret = bdrv_snapshot_create(bs1, sn);
|
|
if (ret < 0) {
|
|
term_printf("Error while creating snapshot on '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
}
|
|
|
|
the_end:
|
|
if (saved_vm_running)
|
|
vm_start();
|
|
}
|
|
|
|
void do_loadvm(const char *name)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
BlockDriverInfo bdi1, *bdi = &bdi1;
|
|
QEMUFile *f;
|
|
int i, ret;
|
|
int saved_vm_running;
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No block device supports snapshots\n");
|
|
return;
|
|
}
|
|
|
|
/* Flush all IO requests so they don't interfere with the new state. */
|
|
qemu_aio_flush();
|
|
|
|
saved_vm_running = vm_running;
|
|
vm_stop(0);
|
|
|
|
for(i = 0; i <= MAX_DISKS; i++) {
|
|
bs1 = bs_table[i];
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
ret = bdrv_snapshot_goto(bs1, name);
|
|
if (ret < 0) {
|
|
if (bs != bs1)
|
|
term_printf("Warning: ");
|
|
switch(ret) {
|
|
case -ENOTSUP:
|
|
term_printf("Snapshots not supported on device '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
break;
|
|
case -ENOENT:
|
|
term_printf("Could not find snapshot '%s' on device '%s'\n",
|
|
name, bdrv_get_device_name(bs1));
|
|
break;
|
|
default:
|
|
term_printf("Error %d while activating snapshot on '%s'\n",
|
|
ret, bdrv_get_device_name(bs1));
|
|
break;
|
|
}
|
|
/* fatal on snapshot block device */
|
|
if (bs == bs1)
|
|
goto the_end;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) {
|
|
term_printf("Device %s does not support VM state snapshots\n",
|
|
bdrv_get_device_name(bs));
|
|
return;
|
|
}
|
|
|
|
/* restore the VM state */
|
|
f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0);
|
|
if (!f) {
|
|
term_printf("Could not open VM state file\n");
|
|
goto the_end;
|
|
}
|
|
ret = qemu_loadvm_state(f);
|
|
qemu_fclose(f);
|
|
if (ret < 0) {
|
|
term_printf("Error %d while loading VM state\n", ret);
|
|
}
|
|
the_end:
|
|
if (saved_vm_running)
|
|
vm_start();
|
|
}
|
|
|
|
void do_delvm(const char *name)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
int i, ret;
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No block device supports snapshots\n");
|
|
return;
|
|
}
|
|
|
|
for(i = 0; i <= MAX_DISKS; i++) {
|
|
bs1 = bs_table[i];
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
ret = bdrv_snapshot_delete(bs1, name);
|
|
if (ret < 0) {
|
|
if (ret == -ENOTSUP)
|
|
term_printf("Snapshots not supported on device '%s'\n",
|
|
bdrv_get_device_name(bs1));
|
|
else
|
|
term_printf("Error %d while deleting snapshot on '%s'\n",
|
|
ret, bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void do_info_snapshots(void)
|
|
{
|
|
BlockDriverState *bs, *bs1;
|
|
QEMUSnapshotInfo *sn_tab, *sn;
|
|
int nb_sns, i;
|
|
char buf[256];
|
|
|
|
bs = get_bs_snapshots();
|
|
if (!bs) {
|
|
term_printf("No available block device supports snapshots\n");
|
|
return;
|
|
}
|
|
term_printf("Snapshot devices:");
|
|
for(i = 0; i <= MAX_DISKS; i++) {
|
|
bs1 = bs_table[i];
|
|
if (bdrv_has_snapshot(bs1)) {
|
|
if (bs == bs1)
|
|
term_printf(" %s", bdrv_get_device_name(bs1));
|
|
}
|
|
}
|
|
term_printf("\n");
|
|
|
|
nb_sns = bdrv_snapshot_list(bs, &sn_tab);
|
|
if (nb_sns < 0) {
|
|
term_printf("bdrv_snapshot_list: error %d\n", nb_sns);
|
|
return;
|
|
}
|
|
term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs));
|
|
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL));
|
|
for(i = 0; i < nb_sns; i++) {
|
|
sn = &sn_tab[i];
|
|
term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn));
|
|
}
|
|
qemu_free(sn_tab);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* cpu save/restore */
|
|
|
|
#if defined(TARGET_I386)
|
|
|
|
static void cpu_put_seg(QEMUFile *f, SegmentCache *dt)
|
|
{
|
|
qemu_put_be32(f, dt->selector);
|
|
qemu_put_betl(f, dt->base);
|
|
qemu_put_be32(f, dt->limit);
|
|
qemu_put_be32(f, dt->flags);
|
|
}
|
|
|
|
static void cpu_get_seg(QEMUFile *f, SegmentCache *dt)
|
|
{
|
|
dt->selector = qemu_get_be32(f);
|
|
dt->base = qemu_get_betl(f);
|
|
dt->limit = qemu_get_be32(f);
|
|
dt->flags = qemu_get_be32(f);
|
|
}
|
|
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
CPUState *env = opaque;
|
|
uint16_t fptag, fpus, fpuc, fpregs_format;
|
|
uint32_t hflags;
|
|
int i;
|
|
|
|
for(i = 0; i < CPU_NB_REGS; i++)
|
|
qemu_put_betls(f, &env->regs[i]);
|
|
qemu_put_betls(f, &env->eip);
|
|
qemu_put_betls(f, &env->eflags);
|
|
hflags = env->hflags; /* XXX: suppress most of the redundant hflags */
|
|
qemu_put_be32s(f, &hflags);
|
|
|
|
/* FPU */
|
|
fpuc = env->fpuc;
|
|
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
|
|
fptag = 0;
|
|
for(i = 0; i < 8; i++) {
|
|
fptag |= ((!env->fptags[i]) << i);
|
|
}
|
|
|
|
qemu_put_be16s(f, &fpuc);
|
|
qemu_put_be16s(f, &fpus);
|
|
qemu_put_be16s(f, &fptag);
|
|
|
|
#ifdef USE_X86LDOUBLE
|
|
fpregs_format = 0;
|
|
#else
|
|
fpregs_format = 1;
|
|
#endif
|
|
qemu_put_be16s(f, &fpregs_format);
|
|
|
|
for(i = 0; i < 8; i++) {
|
|
#ifdef USE_X86LDOUBLE
|
|
{
|
|
uint64_t mant;
|
|
uint16_t exp;
|
|
/* we save the real CPU data (in case of MMX usage only 'mant'
|
|
contains the MMX register */
|
|
cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
|
|
qemu_put_be64(f, mant);
|
|
qemu_put_be16(f, exp);
|
|
}
|
|
#else
|
|
/* if we use doubles for float emulation, we save the doubles to
|
|
avoid losing information in case of MMX usage. It can give
|
|
problems if the image is restored on a CPU where long
|
|
doubles are used instead. */
|
|
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
|
|
#endif
|
|
}
|
|
|
|
for(i = 0; i < 6; i++)
|
|
cpu_put_seg(f, &env->segs[i]);
|
|
cpu_put_seg(f, &env->ldt);
|
|
cpu_put_seg(f, &env->tr);
|
|
cpu_put_seg(f, &env->gdt);
|
|
cpu_put_seg(f, &env->idt);
|
|
|
|
qemu_put_be32s(f, &env->sysenter_cs);
|
|
qemu_put_be32s(f, &env->sysenter_esp);
|
|
qemu_put_be32s(f, &env->sysenter_eip);
|
|
|
|
qemu_put_betls(f, &env->cr[0]);
|
|
qemu_put_betls(f, &env->cr[2]);
|
|
qemu_put_betls(f, &env->cr[3]);
|
|
qemu_put_betls(f, &env->cr[4]);
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_put_betls(f, &env->dr[i]);
|
|
|
|
/* MMU */
|
|
qemu_put_be32s(f, &env->a20_mask);
|
|
|
|
/* XMM */
|
|
qemu_put_be32s(f, &env->mxcsr);
|
|
for(i = 0; i < CPU_NB_REGS; i++) {
|
|
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
|
qemu_put_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
qemu_put_be64s(f, &env->efer);
|
|
qemu_put_be64s(f, &env->star);
|
|
qemu_put_be64s(f, &env->lstar);
|
|
qemu_put_be64s(f, &env->cstar);
|
|
qemu_put_be64s(f, &env->fmask);
|
|
qemu_put_be64s(f, &env->kernelgsbase);
|
|
#endif
|
|
qemu_put_be32s(f, &env->smbase);
|
|
}
|
|
|
|
#ifdef USE_X86LDOUBLE
|
|
/* XXX: add that in a FPU generic layer */
|
|
union x86_longdouble {
|
|
uint64_t mant;
|
|
uint16_t exp;
|
|
};
|
|
|
|
#define MANTD1(fp) (fp & ((1LL << 52) - 1))
|
|
#define EXPBIAS1 1023
|
|
#define EXPD1(fp) ((fp >> 52) & 0x7FF)
|
|
#define SIGND1(fp) ((fp >> 32) & 0x80000000)
|
|
|
|
static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
|
|
{
|
|
int e;
|
|
/* mantissa */
|
|
p->mant = (MANTD1(temp) << 11) | (1LL << 63);
|
|
/* exponent + sign */
|
|
e = EXPD1(temp) - EXPBIAS1 + 16383;
|
|
e |= SIGND1(temp) >> 16;
|
|
p->exp = e;
|
|
}
|
|
#endif
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
CPUState *env = opaque;
|
|
int i, guess_mmx;
|
|
uint32_t hflags;
|
|
uint16_t fpus, fpuc, fptag, fpregs_format;
|
|
|
|
if (version_id != 3 && version_id != 4)
|
|
return -EINVAL;
|
|
for(i = 0; i < CPU_NB_REGS; i++)
|
|
qemu_get_betls(f, &env->regs[i]);
|
|
qemu_get_betls(f, &env->eip);
|
|
qemu_get_betls(f, &env->eflags);
|
|
qemu_get_be32s(f, &hflags);
|
|
|
|
qemu_get_be16s(f, &fpuc);
|
|
qemu_get_be16s(f, &fpus);
|
|
qemu_get_be16s(f, &fptag);
|
|
qemu_get_be16s(f, &fpregs_format);
|
|
|
|
/* NOTE: we cannot always restore the FPU state if the image come
|
|
from a host with a different 'USE_X86LDOUBLE' define. We guess
|
|
if we are in an MMX state to restore correctly in that case. */
|
|
guess_mmx = ((fptag == 0xff) && (fpus & 0x3800) == 0);
|
|
for(i = 0; i < 8; i++) {
|
|
uint64_t mant;
|
|
uint16_t exp;
|
|
|
|
switch(fpregs_format) {
|
|
case 0:
|
|
mant = qemu_get_be64(f);
|
|
exp = qemu_get_be16(f);
|
|
#ifdef USE_X86LDOUBLE
|
|
env->fpregs[i].d = cpu_set_fp80(mant, exp);
|
|
#else
|
|
/* difficult case */
|
|
if (guess_mmx)
|
|
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
|
else
|
|
env->fpregs[i].d = cpu_set_fp80(mant, exp);
|
|
#endif
|
|
break;
|
|
case 1:
|
|
mant = qemu_get_be64(f);
|
|
#ifdef USE_X86LDOUBLE
|
|
{
|
|
union x86_longdouble *p;
|
|
/* difficult case */
|
|
p = (void *)&env->fpregs[i];
|
|
if (guess_mmx) {
|
|
p->mant = mant;
|
|
p->exp = 0xffff;
|
|
} else {
|
|
fp64_to_fp80(p, mant);
|
|
}
|
|
}
|
|
#else
|
|
env->fpregs[i].mmx.MMX_Q(0) = mant;
|
|
#endif
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
env->fpuc = fpuc;
|
|
/* XXX: restore FPU round state */
|
|
env->fpstt = (fpus >> 11) & 7;
|
|
env->fpus = fpus & ~0x3800;
|
|
fptag ^= 0xff;
|
|
for(i = 0; i < 8; i++) {
|
|
env->fptags[i] = (fptag >> i) & 1;
|
|
}
|
|
|
|
for(i = 0; i < 6; i++)
|
|
cpu_get_seg(f, &env->segs[i]);
|
|
cpu_get_seg(f, &env->ldt);
|
|
cpu_get_seg(f, &env->tr);
|
|
cpu_get_seg(f, &env->gdt);
|
|
cpu_get_seg(f, &env->idt);
|
|
|
|
qemu_get_be32s(f, &env->sysenter_cs);
|
|
qemu_get_be32s(f, &env->sysenter_esp);
|
|
qemu_get_be32s(f, &env->sysenter_eip);
|
|
|
|
qemu_get_betls(f, &env->cr[0]);
|
|
qemu_get_betls(f, &env->cr[2]);
|
|
qemu_get_betls(f, &env->cr[3]);
|
|
qemu_get_betls(f, &env->cr[4]);
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_get_betls(f, &env->dr[i]);
|
|
|
|
/* MMU */
|
|
qemu_get_be32s(f, &env->a20_mask);
|
|
|
|
qemu_get_be32s(f, &env->mxcsr);
|
|
for(i = 0; i < CPU_NB_REGS; i++) {
|
|
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(0));
|
|
qemu_get_be64s(f, &env->xmm_regs[i].XMM_Q(1));
|
|
}
|
|
|
|
#ifdef TARGET_X86_64
|
|
qemu_get_be64s(f, &env->efer);
|
|
qemu_get_be64s(f, &env->star);
|
|
qemu_get_be64s(f, &env->lstar);
|
|
qemu_get_be64s(f, &env->cstar);
|
|
qemu_get_be64s(f, &env->fmask);
|
|
qemu_get_be64s(f, &env->kernelgsbase);
|
|
#endif
|
|
if (version_id >= 4)
|
|
qemu_get_be32s(f, &env->smbase);
|
|
|
|
/* XXX: compute hflags from scratch, except for CPL and IIF */
|
|
env->hflags = hflags;
|
|
tlb_flush(env, 1);
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(TARGET_PPC)
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
}
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(TARGET_MIPS)
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
}
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(TARGET_SPARC)
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
CPUState *env = opaque;
|
|
int i;
|
|
uint32_t tmp;
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_put_betls(f, &env->gregs[i]);
|
|
for(i = 0; i < NWINDOWS * 16; i++)
|
|
qemu_put_betls(f, &env->regbase[i]);
|
|
|
|
/* FPU */
|
|
for(i = 0; i < TARGET_FPREGS; i++) {
|
|
union {
|
|
float32 f;
|
|
uint32_t i;
|
|
} u;
|
|
u.f = env->fpr[i];
|
|
qemu_put_be32(f, u.i);
|
|
}
|
|
|
|
qemu_put_betls(f, &env->pc);
|
|
qemu_put_betls(f, &env->npc);
|
|
qemu_put_betls(f, &env->y);
|
|
tmp = GET_PSR(env);
|
|
qemu_put_be32(f, tmp);
|
|
qemu_put_betls(f, &env->fsr);
|
|
qemu_put_betls(f, &env->tbr);
|
|
#ifndef TARGET_SPARC64
|
|
qemu_put_be32s(f, &env->wim);
|
|
/* MMU */
|
|
for(i = 0; i < 16; i++)
|
|
qemu_put_be32s(f, &env->mmuregs[i]);
|
|
#endif
|
|
}
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
CPUState *env = opaque;
|
|
int i;
|
|
uint32_t tmp;
|
|
|
|
for(i = 0; i < 8; i++)
|
|
qemu_get_betls(f, &env->gregs[i]);
|
|
for(i = 0; i < NWINDOWS * 16; i++)
|
|
qemu_get_betls(f, &env->regbase[i]);
|
|
|
|
/* FPU */
|
|
for(i = 0; i < TARGET_FPREGS; i++) {
|
|
union {
|
|
float32 f;
|
|
uint32_t i;
|
|
} u;
|
|
u.i = qemu_get_be32(f);
|
|
env->fpr[i] = u.f;
|
|
}
|
|
|
|
qemu_get_betls(f, &env->pc);
|
|
qemu_get_betls(f, &env->npc);
|
|
qemu_get_betls(f, &env->y);
|
|
tmp = qemu_get_be32(f);
|
|
env->cwp = 0; /* needed to ensure that the wrapping registers are
|
|
correctly updated */
|
|
PUT_PSR(env, tmp);
|
|
qemu_get_betls(f, &env->fsr);
|
|
qemu_get_betls(f, &env->tbr);
|
|
#ifndef TARGET_SPARC64
|
|
qemu_get_be32s(f, &env->wim);
|
|
/* MMU */
|
|
for(i = 0; i < 16; i++)
|
|
qemu_get_be32s(f, &env->mmuregs[i]);
|
|
#endif
|
|
tlb_flush(env, 1);
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(TARGET_ARM)
|
|
|
|
/* ??? Need to implement these. */
|
|
void cpu_save(QEMUFile *f, void *opaque)
|
|
{
|
|
}
|
|
|
|
int cpu_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
#warning No CPU save/restore functions
|
|
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* ram save/restore */
|
|
|
|
static int ram_get_page(QEMUFile *f, uint8_t *buf, int len)
|
|
{
|
|
int v;
|
|
|
|
v = qemu_get_byte(f);
|
|
switch(v) {
|
|
case 0:
|
|
if (qemu_get_buffer(f, buf, len) != len)
|
|
return -EIO;
|
|
break;
|
|
case 1:
|
|
v = qemu_get_byte(f);
|
|
memset(buf, v, len);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int ram_load_v1(QEMUFile *f, void *opaque)
|
|
{
|
|
int i, ret;
|
|
|
|
if (qemu_get_be32(f) != phys_ram_size)
|
|
return -EINVAL;
|
|
for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) {
|
|
ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define BDRV_HASH_BLOCK_SIZE 1024
|
|
#define IOBUF_SIZE 4096
|
|
#define RAM_CBLOCK_MAGIC 0xfabe
|
|
|
|
typedef struct RamCompressState {
|
|
z_stream zstream;
|
|
QEMUFile *f;
|
|
uint8_t buf[IOBUF_SIZE];
|
|
} RamCompressState;
|
|
|
|
static int ram_compress_open(RamCompressState *s, QEMUFile *f)
|
|
{
|
|
int ret;
|
|
memset(s, 0, sizeof(*s));
|
|
s->f = f;
|
|
ret = deflateInit2(&s->zstream, 1,
|
|
Z_DEFLATED, 15,
|
|
9, Z_DEFAULT_STRATEGY);
|
|
if (ret != Z_OK)
|
|
return -1;
|
|
s->zstream.avail_out = IOBUF_SIZE;
|
|
s->zstream.next_out = s->buf;
|
|
return 0;
|
|
}
|
|
|
|
static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len)
|
|
{
|
|
qemu_put_be16(s->f, RAM_CBLOCK_MAGIC);
|
|
qemu_put_be16(s->f, len);
|
|
qemu_put_buffer(s->f, buf, len);
|
|
}
|
|
|
|
static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len)
|
|
{
|
|
int ret;
|
|
|
|
s->zstream.avail_in = len;
|
|
s->zstream.next_in = (uint8_t *)buf;
|
|
while (s->zstream.avail_in > 0) {
|
|
ret = deflate(&s->zstream, Z_NO_FLUSH);
|
|
if (ret != Z_OK)
|
|
return -1;
|
|
if (s->zstream.avail_out == 0) {
|
|
ram_put_cblock(s, s->buf, IOBUF_SIZE);
|
|
s->zstream.avail_out = IOBUF_SIZE;
|
|
s->zstream.next_out = s->buf;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void ram_compress_close(RamCompressState *s)
|
|
{
|
|
int len, ret;
|
|
|
|
/* compress last bytes */
|
|
for(;;) {
|
|
ret = deflate(&s->zstream, Z_FINISH);
|
|
if (ret == Z_OK || ret == Z_STREAM_END) {
|
|
len = IOBUF_SIZE - s->zstream.avail_out;
|
|
if (len > 0) {
|
|
ram_put_cblock(s, s->buf, len);
|
|
}
|
|
s->zstream.avail_out = IOBUF_SIZE;
|
|
s->zstream.next_out = s->buf;
|
|
if (ret == Z_STREAM_END)
|
|
break;
|
|
} else {
|
|
goto fail;
|
|
}
|
|
}
|
|
fail:
|
|
deflateEnd(&s->zstream);
|
|
}
|
|
|
|
typedef struct RamDecompressState {
|
|
z_stream zstream;
|
|
QEMUFile *f;
|
|
uint8_t buf[IOBUF_SIZE];
|
|
} RamDecompressState;
|
|
|
|
static int ram_decompress_open(RamDecompressState *s, QEMUFile *f)
|
|
{
|
|
int ret;
|
|
memset(s, 0, sizeof(*s));
|
|
s->f = f;
|
|
ret = inflateInit(&s->zstream);
|
|
if (ret != Z_OK)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len)
|
|
{
|
|
int ret, clen;
|
|
|
|
s->zstream.avail_out = len;
|
|
s->zstream.next_out = buf;
|
|
while (s->zstream.avail_out > 0) {
|
|
if (s->zstream.avail_in == 0) {
|
|
if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC)
|
|
return -1;
|
|
clen = qemu_get_be16(s->f);
|
|
if (clen > IOBUF_SIZE)
|
|
return -1;
|
|
qemu_get_buffer(s->f, s->buf, clen);
|
|
s->zstream.avail_in = clen;
|
|
s->zstream.next_in = s->buf;
|
|
}
|
|
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
|
|
if (ret != Z_OK && ret != Z_STREAM_END) {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void ram_decompress_close(RamDecompressState *s)
|
|
{
|
|
inflateEnd(&s->zstream);
|
|
}
|
|
|
|
static void ram_save(QEMUFile *f, void *opaque)
|
|
{
|
|
int i;
|
|
RamCompressState s1, *s = &s1;
|
|
uint8_t buf[10];
|
|
|
|
qemu_put_be32(f, phys_ram_size);
|
|
if (ram_compress_open(s, f) < 0)
|
|
return;
|
|
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
|
|
#if 0
|
|
if (tight_savevm_enabled) {
|
|
int64_t sector_num;
|
|
int j;
|
|
|
|
/* find if the memory block is available on a virtual
|
|
block device */
|
|
sector_num = -1;
|
|
for(j = 0; j < MAX_DISKS; j++) {
|
|
if (bs_table[j]) {
|
|
sector_num = bdrv_hash_find(bs_table[j],
|
|
phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
|
|
if (sector_num >= 0)
|
|
break;
|
|
}
|
|
}
|
|
if (j == MAX_DISKS)
|
|
goto normal_compress;
|
|
buf[0] = 1;
|
|
buf[1] = j;
|
|
cpu_to_be64wu((uint64_t *)(buf + 2), sector_num);
|
|
ram_compress_buf(s, buf, 10);
|
|
} else
|
|
#endif
|
|
{
|
|
// normal_compress:
|
|
buf[0] = 0;
|
|
ram_compress_buf(s, buf, 1);
|
|
ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE);
|
|
}
|
|
}
|
|
ram_compress_close(s);
|
|
}
|
|
|
|
static int ram_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
RamDecompressState s1, *s = &s1;
|
|
uint8_t buf[10];
|
|
int i;
|
|
|
|
if (version_id == 1)
|
|
return ram_load_v1(f, opaque);
|
|
if (version_id != 2)
|
|
return -EINVAL;
|
|
if (qemu_get_be32(f) != phys_ram_size)
|
|
return -EINVAL;
|
|
if (ram_decompress_open(s, f) < 0)
|
|
return -EINVAL;
|
|
for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) {
|
|
if (ram_decompress_buf(s, buf, 1) < 0) {
|
|
fprintf(stderr, "Error while reading ram block header\n");
|
|
goto error;
|
|
}
|
|
if (buf[0] == 0) {
|
|
if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) {
|
|
fprintf(stderr, "Error while reading ram block address=0x%08x", i);
|
|
goto error;
|
|
}
|
|
} else
|
|
#if 0
|
|
if (buf[0] == 1) {
|
|
int bs_index;
|
|
int64_t sector_num;
|
|
|
|
ram_decompress_buf(s, buf + 1, 9);
|
|
bs_index = buf[1];
|
|
sector_num = be64_to_cpupu((const uint64_t *)(buf + 2));
|
|
if (bs_index >= MAX_DISKS || bs_table[bs_index] == NULL) {
|
|
fprintf(stderr, "Invalid block device index %d\n", bs_index);
|
|
goto error;
|
|
}
|
|
if (bdrv_read(bs_table[bs_index], sector_num, phys_ram_base + i,
|
|
BDRV_HASH_BLOCK_SIZE / 512) < 0) {
|
|
fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n",
|
|
bs_index, sector_num);
|
|
goto error;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
error:
|
|
printf("Error block header\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
ram_decompress_close(s);
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* bottom halves (can be seen as timers which expire ASAP) */
|
|
|
|
struct QEMUBH {
|
|
QEMUBHFunc *cb;
|
|
void *opaque;
|
|
int scheduled;
|
|
QEMUBH *next;
|
|
};
|
|
|
|
static QEMUBH *first_bh = NULL;
|
|
|
|
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
|
|
{
|
|
QEMUBH *bh;
|
|
bh = qemu_mallocz(sizeof(QEMUBH));
|
|
if (!bh)
|
|
return NULL;
|
|
bh->cb = cb;
|
|
bh->opaque = opaque;
|
|
return bh;
|
|
}
|
|
|
|
int qemu_bh_poll(void)
|
|
{
|
|
QEMUBH *bh, **pbh;
|
|
int ret;
|
|
|
|
ret = 0;
|
|
for(;;) {
|
|
pbh = &first_bh;
|
|
bh = *pbh;
|
|
if (!bh)
|
|
break;
|
|
ret = 1;
|
|
*pbh = bh->next;
|
|
bh->scheduled = 0;
|
|
bh->cb(bh->opaque);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void qemu_bh_schedule(QEMUBH *bh)
|
|
{
|
|
CPUState *env = cpu_single_env;
|
|
if (bh->scheduled)
|
|
return;
|
|
bh->scheduled = 1;
|
|
bh->next = first_bh;
|
|
first_bh = bh;
|
|
|
|
/* stop the currently executing CPU to execute the BH ASAP */
|
|
if (env) {
|
|
cpu_interrupt(env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
}
|
|
|
|
void qemu_bh_cancel(QEMUBH *bh)
|
|
{
|
|
QEMUBH **pbh;
|
|
if (bh->scheduled) {
|
|
pbh = &first_bh;
|
|
while (*pbh != bh)
|
|
pbh = &(*pbh)->next;
|
|
*pbh = bh->next;
|
|
bh->scheduled = 0;
|
|
}
|
|
}
|
|
|
|
void qemu_bh_delete(QEMUBH *bh)
|
|
{
|
|
qemu_bh_cancel(bh);
|
|
qemu_free(bh);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* machine registration */
|
|
|
|
QEMUMachine *first_machine = NULL;
|
|
|
|
int qemu_register_machine(QEMUMachine *m)
|
|
{
|
|
QEMUMachine **pm;
|
|
pm = &first_machine;
|
|
while (*pm != NULL)
|
|
pm = &(*pm)->next;
|
|
m->next = NULL;
|
|
*pm = m;
|
|
return 0;
|
|
}
|
|
|
|
QEMUMachine *find_machine(const char *name)
|
|
{
|
|
QEMUMachine *m;
|
|
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
if (!strcmp(m->name, name))
|
|
return m;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* main execution loop */
|
|
|
|
void gui_update(void *opaque)
|
|
{
|
|
display_state.dpy_refresh(&display_state);
|
|
qemu_mod_timer(gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
|
|
}
|
|
|
|
struct vm_change_state_entry {
|
|
VMChangeStateHandler *cb;
|
|
void *opaque;
|
|
LIST_ENTRY (vm_change_state_entry) entries;
|
|
};
|
|
|
|
static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
|
|
|
|
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
|
|
void *opaque)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
e = qemu_mallocz(sizeof (*e));
|
|
if (!e)
|
|
return NULL;
|
|
|
|
e->cb = cb;
|
|
e->opaque = opaque;
|
|
LIST_INSERT_HEAD(&vm_change_state_head, e, entries);
|
|
return e;
|
|
}
|
|
|
|
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
|
{
|
|
LIST_REMOVE (e, entries);
|
|
qemu_free (e);
|
|
}
|
|
|
|
static void vm_state_notify(int running)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
|
|
for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
|
|
e->cb(e->opaque, running);
|
|
}
|
|
}
|
|
|
|
/* XXX: support several handlers */
|
|
static VMStopHandler *vm_stop_cb;
|
|
static void *vm_stop_opaque;
|
|
|
|
int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque)
|
|
{
|
|
vm_stop_cb = cb;
|
|
vm_stop_opaque = opaque;
|
|
return 0;
|
|
}
|
|
|
|
void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque)
|
|
{
|
|
vm_stop_cb = NULL;
|
|
}
|
|
|
|
void vm_start(void)
|
|
{
|
|
if (!vm_running) {
|
|
cpu_enable_ticks();
|
|
vm_running = 1;
|
|
vm_state_notify(1);
|
|
}
|
|
}
|
|
|
|
void vm_stop(int reason)
|
|
{
|
|
if (vm_running) {
|
|
cpu_disable_ticks();
|
|
vm_running = 0;
|
|
if (reason != 0) {
|
|
if (vm_stop_cb) {
|
|
vm_stop_cb(vm_stop_opaque, reason);
|
|
}
|
|
}
|
|
vm_state_notify(0);
|
|
}
|
|
}
|
|
|
|
/* reset/shutdown handler */
|
|
|
|
typedef struct QEMUResetEntry {
|
|
QEMUResetHandler *func;
|
|
void *opaque;
|
|
struct QEMUResetEntry *next;
|
|
} QEMUResetEntry;
|
|
|
|
static QEMUResetEntry *first_reset_entry;
|
|
static int reset_requested;
|
|
static int shutdown_requested;
|
|
static int powerdown_requested;
|
|
|
|
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
|
|
{
|
|
QEMUResetEntry **pre, *re;
|
|
|
|
pre = &first_reset_entry;
|
|
while (*pre != NULL)
|
|
pre = &(*pre)->next;
|
|
re = qemu_mallocz(sizeof(QEMUResetEntry));
|
|
re->func = func;
|
|
re->opaque = opaque;
|
|
re->next = NULL;
|
|
*pre = re;
|
|
}
|
|
|
|
static void qemu_system_reset(void)
|
|
{
|
|
QEMUResetEntry *re;
|
|
|
|
/* reset all devices */
|
|
for(re = first_reset_entry; re != NULL; re = re->next) {
|
|
re->func(re->opaque);
|
|
}
|
|
}
|
|
|
|
void qemu_system_reset_request(void)
|
|
{
|
|
if (no_reboot) {
|
|
shutdown_requested = 1;
|
|
} else {
|
|
reset_requested = 1;
|
|
}
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void qemu_system_shutdown_request(void)
|
|
{
|
|
shutdown_requested = 1;
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void qemu_system_powerdown_request(void)
|
|
{
|
|
powerdown_requested = 1;
|
|
if (cpu_single_env)
|
|
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT);
|
|
}
|
|
|
|
void main_loop_wait(int timeout)
|
|
{
|
|
IOHandlerRecord *ioh, *ioh_next;
|
|
fd_set rfds, wfds, xfds;
|
|
int ret, nfds;
|
|
struct timeval tv;
|
|
PollingEntry *pe;
|
|
|
|
|
|
/* XXX: need to suppress polling by better using win32 events */
|
|
ret = 0;
|
|
for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
|
|
ret |= pe->func(pe->opaque);
|
|
}
|
|
#ifdef _WIN32
|
|
if (ret == 0 && timeout > 0) {
|
|
int err;
|
|
WaitObjects *w = &wait_objects;
|
|
|
|
ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout);
|
|
if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
|
|
if (w->func[ret - WAIT_OBJECT_0])
|
|
w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
|
|
} else if (ret == WAIT_TIMEOUT) {
|
|
} else {
|
|
err = GetLastError();
|
|
fprintf(stderr, "Wait error %d %d\n", ret, err);
|
|
}
|
|
}
|
|
#endif
|
|
/* poll any events */
|
|
/* XXX: separate device handlers from system ones */
|
|
nfds = -1;
|
|
FD_ZERO(&rfds);
|
|
FD_ZERO(&wfds);
|
|
FD_ZERO(&xfds);
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
|
|
if (ioh->fd_read &&
|
|
(!ioh->fd_read_poll ||
|
|
ioh->fd_read_poll(ioh->opaque) != 0)) {
|
|
FD_SET(ioh->fd, &rfds);
|
|
if (ioh->fd > nfds)
|
|
nfds = ioh->fd;
|
|
}
|
|
if (ioh->fd_write) {
|
|
FD_SET(ioh->fd, &wfds);
|
|
if (ioh->fd > nfds)
|
|
nfds = ioh->fd;
|
|
}
|
|
}
|
|
|
|
tv.tv_sec = 0;
|
|
#ifdef _WIN32
|
|
tv.tv_usec = 0;
|
|
#else
|
|
tv.tv_usec = timeout * 1000;
|
|
#endif
|
|
#if defined(CONFIG_SLIRP)
|
|
if (slirp_inited) {
|
|
slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
|
|
}
|
|
#endif
|
|
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
|
|
if (ret > 0) {
|
|
/* XXX: better handling of removal */
|
|
for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
|
|
ioh_next = ioh->next;
|
|
if (FD_ISSET(ioh->fd, &rfds)) {
|
|
ioh->fd_read(ioh->opaque);
|
|
}
|
|
if (FD_ISSET(ioh->fd, &wfds)) {
|
|
ioh->fd_write(ioh->opaque);
|
|
}
|
|
}
|
|
}
|
|
#if defined(CONFIG_SLIRP)
|
|
if (slirp_inited) {
|
|
if (ret < 0) {
|
|
FD_ZERO(&rfds);
|
|
FD_ZERO(&wfds);
|
|
FD_ZERO(&xfds);
|
|
}
|
|
slirp_select_poll(&rfds, &wfds, &xfds);
|
|
}
|
|
#endif
|
|
qemu_aio_poll();
|
|
qemu_bh_poll();
|
|
|
|
if (vm_running) {
|
|
qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL],
|
|
qemu_get_clock(vm_clock));
|
|
/* run dma transfers, if any */
|
|
DMA_run();
|
|
}
|
|
|
|
/* real time timers */
|
|
qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME],
|
|
qemu_get_clock(rt_clock));
|
|
}
|
|
|
|
static CPUState *cur_cpu;
|
|
|
|
int main_loop(void)
|
|
{
|
|
int ret, timeout;
|
|
#ifdef CONFIG_PROFILER
|
|
int64_t ti;
|
|
#endif
|
|
CPUState *env;
|
|
|
|
cur_cpu = first_cpu;
|
|
for(;;) {
|
|
if (vm_running) {
|
|
|
|
env = cur_cpu;
|
|
for(;;) {
|
|
/* get next cpu */
|
|
env = env->next_cpu;
|
|
if (!env)
|
|
env = first_cpu;
|
|
#ifdef CONFIG_PROFILER
|
|
ti = profile_getclock();
|
|
#endif
|
|
ret = cpu_exec(env);
|
|
#ifdef CONFIG_PROFILER
|
|
qemu_time += profile_getclock() - ti;
|
|
#endif
|
|
if (ret != EXCP_HALTED)
|
|
break;
|
|
/* all CPUs are halted ? */
|
|
if (env == cur_cpu) {
|
|
ret = EXCP_HLT;
|
|
break;
|
|
}
|
|
}
|
|
cur_cpu = env;
|
|
|
|
if (shutdown_requested) {
|
|
ret = EXCP_INTERRUPT;
|
|
break;
|
|
}
|
|
if (reset_requested) {
|
|
reset_requested = 0;
|
|
qemu_system_reset();
|
|
ret = EXCP_INTERRUPT;
|
|
}
|
|
if (powerdown_requested) {
|
|
powerdown_requested = 0;
|
|
qemu_system_powerdown();
|
|
ret = EXCP_INTERRUPT;
|
|
}
|
|
if (ret == EXCP_DEBUG) {
|
|
vm_stop(EXCP_DEBUG);
|
|
}
|
|
/* if hlt instruction, we wait until the next IRQ */
|
|
/* XXX: use timeout computed from timers */
|
|
if (ret == EXCP_HLT)
|
|
timeout = 10;
|
|
else
|
|
timeout = 0;
|
|
} else {
|
|
timeout = 10;
|
|
}
|
|
#ifdef CONFIG_PROFILER
|
|
ti = profile_getclock();
|
|
#endif
|
|
main_loop_wait(timeout);
|
|
#ifdef CONFIG_PROFILER
|
|
dev_time += profile_getclock() - ti;
|
|
#endif
|
|
}
|
|
cpu_disable_ticks();
|
|
return ret;
|
|
}
|
|
|
|
void help(void)
|
|
{
|
|
printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n"
|
|
"usage: %s [options] [disk_image]\n"
|
|
"\n"
|
|
"'disk_image' is a raw hard image image for IDE hard disk 0\n"
|
|
"\n"
|
|
"Standard options:\n"
|
|
"-M machine select emulated machine (-M ? for list)\n"
|
|
"-fda/-fdb file use 'file' as floppy disk 0/1 image\n"
|
|
"-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n"
|
|
"-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n"
|
|
"-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
|
|
"-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
|
|
"-snapshot write to temporary files instead of disk image files\n"
|
|
#ifdef CONFIG_SDL
|
|
"-no-quit disable SDL window close capability\n"
|
|
#endif
|
|
#ifdef TARGET_I386
|
|
"-no-fd-bootchk disable boot signature checking for floppy disks\n"
|
|
#endif
|
|
"-m megs set virtual RAM size to megs MB [default=%d]\n"
|
|
"-smp n set the number of CPUs to 'n' [default=1]\n"
|
|
"-nographic disable graphical output and redirect serial I/Os to console\n"
|
|
#ifndef _WIN32
|
|
"-k language use keyboard layout (for example \"fr\" for French)\n"
|
|
#endif
|
|
#ifdef HAS_AUDIO
|
|
"-audio-help print list of audio drivers and their options\n"
|
|
"-soundhw c1,... enable audio support\n"
|
|
" and only specified sound cards (comma separated list)\n"
|
|
" use -soundhw ? to get the list of supported cards\n"
|
|
" use -soundhw all to enable all of them\n"
|
|
#endif
|
|
"-localtime set the real time clock to local time [default=utc]\n"
|
|
"-full-screen start in full screen\n"
|
|
#ifdef TARGET_I386
|
|
"-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n"
|
|
#endif
|
|
"-usb enable the USB driver (will be the default soon)\n"
|
|
"-usbdevice name add the host or guest USB device 'name'\n"
|
|
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
|
"-g WxH[xDEPTH] Set the initial graphical resolution and depth\n"
|
|
#endif
|
|
"\n"
|
|
"Network options:\n"
|
|
"-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
|
|
" create a new Network Interface Card and connect it to VLAN 'n'\n"
|
|
#ifdef CONFIG_SLIRP
|
|
"-net user[,vlan=n][,hostname=host]\n"
|
|
" connect the user mode network stack to VLAN 'n' and send\n"
|
|
" hostname 'host' to DHCP clients\n"
|
|
#endif
|
|
#ifdef _WIN32
|
|
"-net tap[,vlan=n],ifname=name\n"
|
|
" connect the host TAP network interface to VLAN 'n'\n"
|
|
#else
|
|
"-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
|
|
" connect the host TAP network interface to VLAN 'n' and use\n"
|
|
" the network script 'file' (default=%s);\n"
|
|
" use 'script=no' to disable script execution;\n"
|
|
" use 'fd=h' to connect to an already opened TAP interface\n"
|
|
#endif
|
|
"-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
|
|
" connect the vlan 'n' to another VLAN using a socket connection\n"
|
|
"-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n"
|
|
" connect the vlan 'n' to multicast maddr and port\n"
|
|
"-net none use it alone to have zero network devices; if no -net option\n"
|
|
" is provided, the default is '-net nic -net user'\n"
|
|
"\n"
|
|
#ifdef CONFIG_SLIRP
|
|
"-tftp prefix allow tftp access to files starting with prefix [-net user]\n"
|
|
#ifndef _WIN32
|
|
"-smb dir allow SMB access to files in 'dir' [-net user]\n"
|
|
#endif
|
|
"-redir [tcp|udp]:host-port:[guest-host]:guest-port\n"
|
|
" redirect TCP or UDP connections from host to guest [-net user]\n"
|
|
#endif
|
|
"\n"
|
|
"Linux boot specific:\n"
|
|
"-kernel bzImage use 'bzImage' as kernel image\n"
|
|
"-append cmdline use 'cmdline' as kernel command line\n"
|
|
"-initrd file use 'file' as initial ram disk\n"
|
|
"\n"
|
|
"Debug/Expert options:\n"
|
|
"-monitor dev redirect the monitor to char device 'dev'\n"
|
|
"-serial dev redirect the serial port to char device 'dev'\n"
|
|
"-parallel dev redirect the parallel port to char device 'dev'\n"
|
|
"-pidfile file Write PID to 'file'\n"
|
|
"-S freeze CPU at startup (use 'c' to start execution)\n"
|
|
"-s wait gdb connection to port %d\n"
|
|
"-p port change gdb connection port\n"
|
|
"-d item1,... output log to %s (use -d ? for a list of log items)\n"
|
|
"-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n"
|
|
" translation (t=none or lba) (usually qemu can guess them)\n"
|
|
"-L path set the directory for the BIOS, VGA BIOS and keymaps\n"
|
|
#ifdef USE_KQEMU
|
|
"-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n"
|
|
"-no-kqemu disable KQEMU kernel module usage\n"
|
|
#endif
|
|
#ifdef USE_CODE_COPY
|
|
"-no-code-copy disable code copy acceleration\n"
|
|
#endif
|
|
#ifdef TARGET_I386
|
|
"-std-vga simulate a standard VGA card with VESA Bochs Extensions\n"
|
|
" (default is CL-GD5446 PCI VGA)\n"
|
|
"-no-acpi disable ACPI\n"
|
|
#endif
|
|
"-no-reboot exit instead of rebooting\n"
|
|
"-loadvm file start right away with a saved state (loadvm in monitor)\n"
|
|
"-vnc display start a VNC server on display\n"
|
|
#ifndef _WIN32
|
|
"-daemonize daemonize QEMU after initializing\n"
|
|
#endif
|
|
"-option-rom rom load a file, rom, into the option ROM space\n"
|
|
"\n"
|
|
"During emulation, the following keys are useful:\n"
|
|
"ctrl-alt-f toggle full screen\n"
|
|
"ctrl-alt-n switch to virtual console 'n'\n"
|
|
"ctrl-alt toggle mouse and keyboard grab\n"
|
|
"\n"
|
|
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
|
,
|
|
"qemu",
|
|
DEFAULT_RAM_SIZE,
|
|
#ifndef _WIN32
|
|
DEFAULT_NETWORK_SCRIPT,
|
|
#endif
|
|
DEFAULT_GDBSTUB_PORT,
|
|
"/tmp/qemu.log");
|
|
exit(1);
|
|
}
|
|
|
|
#define HAS_ARG 0x0001
|
|
|
|
enum {
|
|
QEMU_OPTION_h,
|
|
|
|
QEMU_OPTION_M,
|
|
QEMU_OPTION_fda,
|
|
QEMU_OPTION_fdb,
|
|
QEMU_OPTION_hda,
|
|
QEMU_OPTION_hdb,
|
|
QEMU_OPTION_hdc,
|
|
QEMU_OPTION_hdd,
|
|
QEMU_OPTION_cdrom,
|
|
QEMU_OPTION_boot,
|
|
QEMU_OPTION_snapshot,
|
|
#ifdef TARGET_I386
|
|
QEMU_OPTION_no_fd_bootchk,
|
|
#endif
|
|
QEMU_OPTION_m,
|
|
QEMU_OPTION_nographic,
|
|
#ifdef HAS_AUDIO
|
|
QEMU_OPTION_audio_help,
|
|
QEMU_OPTION_soundhw,
|
|
#endif
|
|
|
|
QEMU_OPTION_net,
|
|
QEMU_OPTION_tftp,
|
|
QEMU_OPTION_smb,
|
|
QEMU_OPTION_redir,
|
|
|
|
QEMU_OPTION_kernel,
|
|
QEMU_OPTION_append,
|
|
QEMU_OPTION_initrd,
|
|
|
|
QEMU_OPTION_S,
|
|
QEMU_OPTION_s,
|
|
QEMU_OPTION_p,
|
|
QEMU_OPTION_d,
|
|
QEMU_OPTION_hdachs,
|
|
QEMU_OPTION_L,
|
|
QEMU_OPTION_no_code_copy,
|
|
QEMU_OPTION_k,
|
|
QEMU_OPTION_localtime,
|
|
QEMU_OPTION_cirrusvga,
|
|
QEMU_OPTION_g,
|
|
QEMU_OPTION_std_vga,
|
|
QEMU_OPTION_monitor,
|
|
QEMU_OPTION_serial,
|
|
QEMU_OPTION_parallel,
|
|
QEMU_OPTION_loadvm,
|
|
QEMU_OPTION_full_screen,
|
|
QEMU_OPTION_no_quit,
|
|
QEMU_OPTION_pidfile,
|
|
QEMU_OPTION_no_kqemu,
|
|
QEMU_OPTION_kernel_kqemu,
|
|
QEMU_OPTION_win2k_hack,
|
|
QEMU_OPTION_usb,
|
|
QEMU_OPTION_usbdevice,
|
|
QEMU_OPTION_smp,
|
|
QEMU_OPTION_vnc,
|
|
QEMU_OPTION_no_acpi,
|
|
QEMU_OPTION_no_reboot,
|
|
QEMU_OPTION_daemonize,
|
|
QEMU_OPTION_option_rom,
|
|
QEMU_OPTION_semihosting
|
|
};
|
|
|
|
typedef struct QEMUOption {
|
|
const char *name;
|
|
int flags;
|
|
int index;
|
|
} QEMUOption;
|
|
|
|
const QEMUOption qemu_options[] = {
|
|
{ "h", 0, QEMU_OPTION_h },
|
|
{ "help", 0, QEMU_OPTION_h },
|
|
|
|
{ "M", HAS_ARG, QEMU_OPTION_M },
|
|
{ "fda", HAS_ARG, QEMU_OPTION_fda },
|
|
{ "fdb", HAS_ARG, QEMU_OPTION_fdb },
|
|
{ "hda", HAS_ARG, QEMU_OPTION_hda },
|
|
{ "hdb", HAS_ARG, QEMU_OPTION_hdb },
|
|
{ "hdc", HAS_ARG, QEMU_OPTION_hdc },
|
|
{ "hdd", HAS_ARG, QEMU_OPTION_hdd },
|
|
{ "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
|
|
{ "boot", HAS_ARG, QEMU_OPTION_boot },
|
|
{ "snapshot", 0, QEMU_OPTION_snapshot },
|
|
#ifdef TARGET_I386
|
|
{ "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk },
|
|
#endif
|
|
{ "m", HAS_ARG, QEMU_OPTION_m },
|
|
{ "nographic", 0, QEMU_OPTION_nographic },
|
|
{ "k", HAS_ARG, QEMU_OPTION_k },
|
|
#ifdef HAS_AUDIO
|
|
{ "audio-help", 0, QEMU_OPTION_audio_help },
|
|
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
|
|
#endif
|
|
|
|
{ "net", HAS_ARG, QEMU_OPTION_net},
|
|
#ifdef CONFIG_SLIRP
|
|
{ "tftp", HAS_ARG, QEMU_OPTION_tftp },
|
|
#ifndef _WIN32
|
|
{ "smb", HAS_ARG, QEMU_OPTION_smb },
|
|
#endif
|
|
{ "redir", HAS_ARG, QEMU_OPTION_redir },
|
|
#endif
|
|
|
|
{ "kernel", HAS_ARG, QEMU_OPTION_kernel },
|
|
{ "append", HAS_ARG, QEMU_OPTION_append },
|
|
{ "initrd", HAS_ARG, QEMU_OPTION_initrd },
|
|
|
|
{ "S", 0, QEMU_OPTION_S },
|
|
{ "s", 0, QEMU_OPTION_s },
|
|
{ "p", HAS_ARG, QEMU_OPTION_p },
|
|
{ "d", HAS_ARG, QEMU_OPTION_d },
|
|
{ "hdachs", HAS_ARG, QEMU_OPTION_hdachs },
|
|
{ "L", HAS_ARG, QEMU_OPTION_L },
|
|
{ "no-code-copy", 0, QEMU_OPTION_no_code_copy },
|
|
#ifdef USE_KQEMU
|
|
{ "no-kqemu", 0, QEMU_OPTION_no_kqemu },
|
|
{ "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu },
|
|
#endif
|
|
#if defined(TARGET_PPC) || defined(TARGET_SPARC)
|
|
{ "g", 1, QEMU_OPTION_g },
|
|
#endif
|
|
{ "localtime", 0, QEMU_OPTION_localtime },
|
|
{ "std-vga", 0, QEMU_OPTION_std_vga },
|
|
{ "monitor", 1, QEMU_OPTION_monitor },
|
|
{ "serial", 1, QEMU_OPTION_serial },
|
|
{ "parallel", 1, QEMU_OPTION_parallel },
|
|
{ "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
|
|
{ "full-screen", 0, QEMU_OPTION_full_screen },
|
|
#ifdef CONFIG_SDL
|
|
{ "no-quit", 0, QEMU_OPTION_no_quit },
|
|
#endif
|
|
{ "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
|
|
{ "win2k-hack", 0, QEMU_OPTION_win2k_hack },
|
|
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
|
|
{ "smp", HAS_ARG, QEMU_OPTION_smp },
|
|
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
|
|
|
|
/* temporary options */
|
|
{ "usb", 0, QEMU_OPTION_usb },
|
|
{ "cirrusvga", 0, QEMU_OPTION_cirrusvga },
|
|
{ "no-acpi", 0, QEMU_OPTION_no_acpi },
|
|
{ "no-reboot", 0, QEMU_OPTION_no_reboot },
|
|
{ "daemonize", 0, QEMU_OPTION_daemonize },
|
|
{ "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
|
|
#if defined(TARGET_ARM)
|
|
{ "semihosting", 0, QEMU_OPTION_semihosting },
|
|
#endif
|
|
{ NULL },
|
|
};
|
|
|
|
#if defined (TARGET_I386) && defined(USE_CODE_COPY)
|
|
|
|
/* this stack is only used during signal handling */
|
|
#define SIGNAL_STACK_SIZE 32768
|
|
|
|
static uint8_t *signal_stack;
|
|
|
|
#endif
|
|
|
|
/* password input */
|
|
|
|
static BlockDriverState *get_bdrv(int index)
|
|
{
|
|
BlockDriverState *bs;
|
|
|
|
if (index < 4) {
|
|
bs = bs_table[index];
|
|
} else if (index < 6) {
|
|
bs = fd_table[index - 4];
|
|
} else {
|
|
bs = NULL;
|
|
}
|
|
return bs;
|
|
}
|
|
|
|
static void read_passwords(void)
|
|
{
|
|
BlockDriverState *bs;
|
|
int i, j;
|
|
char password[256];
|
|
|
|
for(i = 0; i < 6; i++) {
|
|
bs = get_bdrv(i);
|
|
if (bs && bdrv_is_encrypted(bs)) {
|
|
term_printf("%s is encrypted.\n", bdrv_get_device_name(bs));
|
|
for(j = 0; j < 3; j++) {
|
|
monitor_readline("Password: ",
|
|
1, password, sizeof(password));
|
|
if (bdrv_set_key(bs, password) == 0)
|
|
break;
|
|
term_printf("invalid password\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* XXX: currently we cannot use simultaneously different CPUs */
|
|
void register_machines(void)
|
|
{
|
|
#if defined(TARGET_I386)
|
|
qemu_register_machine(&pc_machine);
|
|
qemu_register_machine(&isapc_machine);
|
|
#elif defined(TARGET_PPC)
|
|
qemu_register_machine(&heathrow_machine);
|
|
qemu_register_machine(&core99_machine);
|
|
qemu_register_machine(&prep_machine);
|
|
#elif defined(TARGET_MIPS)
|
|
qemu_register_machine(&mips_machine);
|
|
qemu_register_machine(&mips_malta_machine);
|
|
#elif defined(TARGET_SPARC)
|
|
#ifdef TARGET_SPARC64
|
|
qemu_register_machine(&sun4u_machine);
|
|
#else
|
|
qemu_register_machine(&sun4m_machine);
|
|
#endif
|
|
#elif defined(TARGET_ARM)
|
|
qemu_register_machine(&integratorcp926_machine);
|
|
qemu_register_machine(&integratorcp1026_machine);
|
|
qemu_register_machine(&versatilepb_machine);
|
|
qemu_register_machine(&versatileab_machine);
|
|
qemu_register_machine(&realview_machine);
|
|
#elif defined(TARGET_SH4)
|
|
qemu_register_machine(&shix_machine);
|
|
#else
|
|
#error unsupported CPU
|
|
#endif
|
|
}
|
|
|
|
#ifdef HAS_AUDIO
|
|
struct soundhw soundhw[] = {
|
|
#ifdef TARGET_I386
|
|
{
|
|
"pcspk",
|
|
"PC speaker",
|
|
0,
|
|
1,
|
|
{ .init_isa = pcspk_audio_init }
|
|
},
|
|
#endif
|
|
{
|
|
"sb16",
|
|
"Creative Sound Blaster 16",
|
|
0,
|
|
1,
|
|
{ .init_isa = SB16_init }
|
|
},
|
|
|
|
#ifdef CONFIG_ADLIB
|
|
{
|
|
"adlib",
|
|
#ifdef HAS_YMF262
|
|
"Yamaha YMF262 (OPL3)",
|
|
#else
|
|
"Yamaha YM3812 (OPL2)",
|
|
#endif
|
|
0,
|
|
1,
|
|
{ .init_isa = Adlib_init }
|
|
},
|
|
#endif
|
|
|
|
#ifdef CONFIG_GUS
|
|
{
|
|
"gus",
|
|
"Gravis Ultrasound GF1",
|
|
0,
|
|
1,
|
|
{ .init_isa = GUS_init }
|
|
},
|
|
#endif
|
|
|
|
{
|
|
"es1370",
|
|
"ENSONIQ AudioPCI ES1370",
|
|
0,
|
|
0,
|
|
{ .init_pci = es1370_init }
|
|
},
|
|
|
|
{ NULL, NULL, 0, 0, { NULL } }
|
|
};
|
|
|
|
static void select_soundhw (const char *optarg)
|
|
{
|
|
struct soundhw *c;
|
|
|
|
if (*optarg == '?') {
|
|
show_valid_cards:
|
|
|
|
printf ("Valid sound card names (comma separated):\n");
|
|
for (c = soundhw; c->name; ++c) {
|
|
printf ("%-11s %s\n", c->name, c->descr);
|
|
}
|
|
printf ("\n-soundhw all will enable all of the above\n");
|
|
exit (*optarg != '?');
|
|
}
|
|
else {
|
|
size_t l;
|
|
const char *p;
|
|
char *e;
|
|
int bad_card = 0;
|
|
|
|
if (!strcmp (optarg, "all")) {
|
|
for (c = soundhw; c->name; ++c) {
|
|
c->enabled = 1;
|
|
}
|
|
return;
|
|
}
|
|
|
|
p = optarg;
|
|
while (*p) {
|
|
e = strchr (p, ',');
|
|
l = !e ? strlen (p) : (size_t) (e - p);
|
|
|
|
for (c = soundhw; c->name; ++c) {
|
|
if (!strncmp (c->name, p, l)) {
|
|
c->enabled = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!c->name) {
|
|
if (l > 80) {
|
|
fprintf (stderr,
|
|
"Unknown sound card name (too big to show)\n");
|
|
}
|
|
else {
|
|
fprintf (stderr, "Unknown sound card name `%.*s'\n",
|
|
(int) l, p);
|
|
}
|
|
bad_card = 1;
|
|
}
|
|
p += l + (e != NULL);
|
|
}
|
|
|
|
if (bad_card)
|
|
goto show_valid_cards;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
|
|
{
|
|
exit(STATUS_CONTROL_C_EXIT);
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
#define MAX_NET_CLIENTS 32
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
#ifdef CONFIG_GDBSTUB
|
|
int use_gdbstub;
|
|
char gdbstub_port_name[128];
|
|
#endif
|
|
int i, cdrom_index;
|
|
int snapshot, linux_boot;
|
|
const char *initrd_filename;
|
|
const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
|
|
const char *kernel_filename, *kernel_cmdline;
|
|
DisplayState *ds = &display_state;
|
|
int cyls, heads, secs, translation;
|
|
char net_clients[MAX_NET_CLIENTS][256];
|
|
int nb_net_clients;
|
|
int optind;
|
|
const char *r, *optarg;
|
|
CharDriverState *monitor_hd;
|
|
char monitor_device[128];
|
|
char serial_devices[MAX_SERIAL_PORTS][128];
|
|
int serial_device_index;
|
|
char parallel_devices[MAX_PARALLEL_PORTS][128];
|
|
int parallel_device_index;
|
|
const char *loadvm = NULL;
|
|
QEMUMachine *machine;
|
|
char usb_devices[MAX_USB_CMDLINE][128];
|
|
int usb_devices_index;
|
|
int fds[2];
|
|
|
|
LIST_INIT (&vm_change_state_head);
|
|
#ifndef _WIN32
|
|
{
|
|
struct sigaction act;
|
|
sigfillset(&act.sa_mask);
|
|
act.sa_flags = 0;
|
|
act.sa_handler = SIG_IGN;
|
|
sigaction(SIGPIPE, &act, NULL);
|
|
}
|
|
#else
|
|
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
|
|
/* Note: cpu_interrupt() is currently not SMP safe, so we force
|
|
QEMU to run on a single CPU */
|
|
{
|
|
HANDLE h;
|
|
DWORD mask, smask;
|
|
int i;
|
|
h = GetCurrentProcess();
|
|
if (GetProcessAffinityMask(h, &mask, &smask)) {
|
|
for(i = 0; i < 32; i++) {
|
|
if (mask & (1 << i))
|
|
break;
|
|
}
|
|
if (i != 32) {
|
|
mask = 1 << i;
|
|
SetProcessAffinityMask(h, mask);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
register_machines();
|
|
machine = first_machine;
|
|
initrd_filename = NULL;
|
|
for(i = 0; i < MAX_FD; i++)
|
|
fd_filename[i] = NULL;
|
|
for(i = 0; i < MAX_DISKS; i++)
|
|
hd_filename[i] = NULL;
|
|
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
|
|
vga_ram_size = VGA_RAM_SIZE;
|
|
bios_size = BIOS_SIZE;
|
|
#ifdef CONFIG_GDBSTUB
|
|
use_gdbstub = 0;
|
|
sprintf(gdbstub_port_name, "%d", DEFAULT_GDBSTUB_PORT);
|
|
#endif
|
|
snapshot = 0;
|
|
nographic = 0;
|
|
kernel_filename = NULL;
|
|
kernel_cmdline = "";
|
|
#ifdef TARGET_PPC
|
|
cdrom_index = 1;
|
|
#else
|
|
cdrom_index = 2;
|
|
#endif
|
|
cyls = heads = secs = 0;
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
pstrcpy(monitor_device, sizeof(monitor_device), "vc");
|
|
|
|
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "vc");
|
|
for(i = 1; i < MAX_SERIAL_PORTS; i++)
|
|
serial_devices[i][0] = '\0';
|
|
serial_device_index = 0;
|
|
|
|
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
|
|
for(i = 1; i < MAX_PARALLEL_PORTS; i++)
|
|
parallel_devices[i][0] = '\0';
|
|
parallel_device_index = 0;
|
|
|
|
usb_devices_index = 0;
|
|
|
|
nb_net_clients = 0;
|
|
|
|
nb_nics = 0;
|
|
/* default mac address of the first network interface */
|
|
|
|
optind = 1;
|
|
for(;;) {
|
|
if (optind >= argc)
|
|
break;
|
|
r = argv[optind];
|
|
if (r[0] != '-') {
|
|
hd_filename[0] = argv[optind++];
|
|
} else {
|
|
const QEMUOption *popt;
|
|
|
|
optind++;
|
|
/* Treat --foo the same as -foo. */
|
|
if (r[1] == '-')
|
|
r++;
|
|
popt = qemu_options;
|
|
for(;;) {
|
|
if (!popt->name) {
|
|
fprintf(stderr, "%s: invalid option -- '%s'\n",
|
|
argv[0], r);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(popt->name, r + 1))
|
|
break;
|
|
popt++;
|
|
}
|
|
if (popt->flags & HAS_ARG) {
|
|
if (optind >= argc) {
|
|
fprintf(stderr, "%s: option '%s' requires an argument\n",
|
|
argv[0], r);
|
|
exit(1);
|
|
}
|
|
optarg = argv[optind++];
|
|
} else {
|
|
optarg = NULL;
|
|
}
|
|
|
|
switch(popt->index) {
|
|
case QEMU_OPTION_M:
|
|
machine = find_machine(optarg);
|
|
if (!machine) {
|
|
QEMUMachine *m;
|
|
printf("Supported machines are:\n");
|
|
for(m = first_machine; m != NULL; m = m->next) {
|
|
printf("%-10s %s%s\n",
|
|
m->name, m->desc,
|
|
m == first_machine ? " (default)" : "");
|
|
}
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_initrd:
|
|
initrd_filename = optarg;
|
|
break;
|
|
case QEMU_OPTION_hda:
|
|
case QEMU_OPTION_hdb:
|
|
case QEMU_OPTION_hdc:
|
|
case QEMU_OPTION_hdd:
|
|
{
|
|
int hd_index;
|
|
hd_index = popt->index - QEMU_OPTION_hda;
|
|
hd_filename[hd_index] = optarg;
|
|
if (hd_index == cdrom_index)
|
|
cdrom_index = -1;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_snapshot:
|
|
snapshot = 1;
|
|
break;
|
|
case QEMU_OPTION_hdachs:
|
|
{
|
|
const char *p;
|
|
p = optarg;
|
|
cyls = strtol(p, (char **)&p, 0);
|
|
if (cyls < 1 || cyls > 16383)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
heads = strtol(p, (char **)&p, 0);
|
|
if (heads < 1 || heads > 16)
|
|
goto chs_fail;
|
|
if (*p != ',')
|
|
goto chs_fail;
|
|
p++;
|
|
secs = strtol(p, (char **)&p, 0);
|
|
if (secs < 1 || secs > 63)
|
|
goto chs_fail;
|
|
if (*p == ',') {
|
|
p++;
|
|
if (!strcmp(p, "none"))
|
|
translation = BIOS_ATA_TRANSLATION_NONE;
|
|
else if (!strcmp(p, "lba"))
|
|
translation = BIOS_ATA_TRANSLATION_LBA;
|
|
else if (!strcmp(p, "auto"))
|
|
translation = BIOS_ATA_TRANSLATION_AUTO;
|
|
else
|
|
goto chs_fail;
|
|
} else if (*p != '\0') {
|
|
chs_fail:
|
|
fprintf(stderr, "qemu: invalid physical CHS format\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
break;
|
|
case QEMU_OPTION_nographic:
|
|
pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
|
|
pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
|
|
nographic = 1;
|
|
break;
|
|
case QEMU_OPTION_kernel:
|
|
kernel_filename = optarg;
|
|
break;
|
|
case QEMU_OPTION_append:
|
|
kernel_cmdline = optarg;
|
|
break;
|
|
case QEMU_OPTION_cdrom:
|
|
if (cdrom_index >= 0) {
|
|
hd_filename[cdrom_index] = optarg;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_boot:
|
|
boot_device = optarg[0];
|
|
if (boot_device != 'a' &&
|
|
#if defined(TARGET_SPARC) || defined(TARGET_I386)
|
|
// Network boot
|
|
boot_device != 'n' &&
|
|
#endif
|
|
boot_device != 'c' && boot_device != 'd') {
|
|
fprintf(stderr, "qemu: invalid boot device '%c'\n", boot_device);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_fda:
|
|
fd_filename[0] = optarg;
|
|
break;
|
|
case QEMU_OPTION_fdb:
|
|
fd_filename[1] = optarg;
|
|
break;
|
|
#ifdef TARGET_I386
|
|
case QEMU_OPTION_no_fd_bootchk:
|
|
fd_bootchk = 0;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_no_code_copy:
|
|
code_copy_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_net:
|
|
if (nb_net_clients >= MAX_NET_CLIENTS) {
|
|
fprintf(stderr, "qemu: too many network clients\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(net_clients[nb_net_clients],
|
|
sizeof(net_clients[0]),
|
|
optarg);
|
|
nb_net_clients++;
|
|
break;
|
|
#ifdef CONFIG_SLIRP
|
|
case QEMU_OPTION_tftp:
|
|
tftp_prefix = optarg;
|
|
break;
|
|
#ifndef _WIN32
|
|
case QEMU_OPTION_smb:
|
|
net_slirp_smb(optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_redir:
|
|
net_slirp_redir(optarg);
|
|
break;
|
|
#endif
|
|
#ifdef HAS_AUDIO
|
|
case QEMU_OPTION_audio_help:
|
|
AUD_help ();
|
|
exit (0);
|
|
break;
|
|
case QEMU_OPTION_soundhw:
|
|
select_soundhw (optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_h:
|
|
help();
|
|
break;
|
|
case QEMU_OPTION_m:
|
|
ram_size = atoi(optarg) * 1024 * 1024;
|
|
if (ram_size <= 0)
|
|
help();
|
|
if (ram_size > PHYS_RAM_MAX_SIZE) {
|
|
fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
|
|
PHYS_RAM_MAX_SIZE / (1024 * 1024));
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_d:
|
|
{
|
|
int mask;
|
|
CPULogItem *item;
|
|
|
|
mask = cpu_str_to_log_mask(optarg);
|
|
if (!mask) {
|
|
printf("Log items (comma separated):\n");
|
|
for(item = cpu_log_items; item->mask != 0; item++) {
|
|
printf("%-10s %s\n", item->name, item->help);
|
|
}
|
|
exit(1);
|
|
}
|
|
cpu_set_log(mask);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_GDBSTUB
|
|
case QEMU_OPTION_s:
|
|
use_gdbstub = 1;
|
|
break;
|
|
case QEMU_OPTION_p:
|
|
pstrcpy(gdbstub_port_name, sizeof(gdbstub_port_name), optarg);
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_L:
|
|
bios_dir = optarg;
|
|
break;
|
|
case QEMU_OPTION_S:
|
|
autostart = 0;
|
|
break;
|
|
case QEMU_OPTION_k:
|
|
keyboard_layout = optarg;
|
|
break;
|
|
case QEMU_OPTION_localtime:
|
|
rtc_utc = 0;
|
|
break;
|
|
case QEMU_OPTION_cirrusvga:
|
|
cirrus_vga_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_std_vga:
|
|
cirrus_vga_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_g:
|
|
{
|
|
const char *p;
|
|
int w, h, depth;
|
|
p = optarg;
|
|
w = strtol(p, (char **)&p, 10);
|
|
if (w <= 0) {
|
|
graphic_error:
|
|
fprintf(stderr, "qemu: invalid resolution or depth\n");
|
|
exit(1);
|
|
}
|
|
if (*p != 'x')
|
|
goto graphic_error;
|
|
p++;
|
|
h = strtol(p, (char **)&p, 10);
|
|
if (h <= 0)
|
|
goto graphic_error;
|
|
if (*p == 'x') {
|
|
p++;
|
|
depth = strtol(p, (char **)&p, 10);
|
|
if (depth != 8 && depth != 15 && depth != 16 &&
|
|
depth != 24 && depth != 32)
|
|
goto graphic_error;
|
|
} else if (*p == '\0') {
|
|
depth = graphic_depth;
|
|
} else {
|
|
goto graphic_error;
|
|
}
|
|
|
|
graphic_width = w;
|
|
graphic_height = h;
|
|
graphic_depth = depth;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_monitor:
|
|
pstrcpy(monitor_device, sizeof(monitor_device), optarg);
|
|
break;
|
|
case QEMU_OPTION_serial:
|
|
if (serial_device_index >= MAX_SERIAL_PORTS) {
|
|
fprintf(stderr, "qemu: too many serial ports\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(serial_devices[serial_device_index],
|
|
sizeof(serial_devices[0]), optarg);
|
|
serial_device_index++;
|
|
break;
|
|
case QEMU_OPTION_parallel:
|
|
if (parallel_device_index >= MAX_PARALLEL_PORTS) {
|
|
fprintf(stderr, "qemu: too many parallel ports\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(parallel_devices[parallel_device_index],
|
|
sizeof(parallel_devices[0]), optarg);
|
|
parallel_device_index++;
|
|
break;
|
|
case QEMU_OPTION_loadvm:
|
|
loadvm = optarg;
|
|
break;
|
|
case QEMU_OPTION_full_screen:
|
|
full_screen = 1;
|
|
break;
|
|
#ifdef CONFIG_SDL
|
|
case QEMU_OPTION_no_quit:
|
|
no_quit = 1;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_pidfile:
|
|
create_pidfile(optarg);
|
|
break;
|
|
#ifdef TARGET_I386
|
|
case QEMU_OPTION_win2k_hack:
|
|
win2k_install_hack = 1;
|
|
break;
|
|
#endif
|
|
#ifdef USE_KQEMU
|
|
case QEMU_OPTION_no_kqemu:
|
|
kqemu_allowed = 0;
|
|
break;
|
|
case QEMU_OPTION_kernel_kqemu:
|
|
kqemu_allowed = 2;
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_usb:
|
|
usb_enabled = 1;
|
|
break;
|
|
case QEMU_OPTION_usbdevice:
|
|
usb_enabled = 1;
|
|
if (usb_devices_index >= MAX_USB_CMDLINE) {
|
|
fprintf(stderr, "Too many USB devices\n");
|
|
exit(1);
|
|
}
|
|
pstrcpy(usb_devices[usb_devices_index],
|
|
sizeof(usb_devices[usb_devices_index]),
|
|
optarg);
|
|
usb_devices_index++;
|
|
break;
|
|
case QEMU_OPTION_smp:
|
|
smp_cpus = atoi(optarg);
|
|
if (smp_cpus < 1 || smp_cpus > MAX_CPUS) {
|
|
fprintf(stderr, "Invalid number of CPUs\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_vnc:
|
|
vnc_display = optarg;
|
|
break;
|
|
case QEMU_OPTION_no_acpi:
|
|
acpi_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_no_reboot:
|
|
no_reboot = 1;
|
|
break;
|
|
case QEMU_OPTION_daemonize:
|
|
daemonize = 1;
|
|
break;
|
|
case QEMU_OPTION_option_rom:
|
|
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
|
fprintf(stderr, "Too many option ROMs\n");
|
|
exit(1);
|
|
}
|
|
option_rom[nb_option_roms] = optarg;
|
|
nb_option_roms++;
|
|
break;
|
|
case QEMU_OPTION_semihosting:
|
|
semihosting_enabled = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
if (daemonize && !nographic && vnc_display == NULL) {
|
|
fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n");
|
|
daemonize = 0;
|
|
}
|
|
|
|
if (daemonize) {
|
|
pid_t pid;
|
|
|
|
if (pipe(fds) == -1)
|
|
exit(1);
|
|
|
|
pid = fork();
|
|
if (pid > 0) {
|
|
uint8_t status;
|
|
ssize_t len;
|
|
|
|
close(fds[1]);
|
|
|
|
again:
|
|
len = read(fds[0], &status, 1);
|
|
if (len == -1 && (errno == EINTR))
|
|
goto again;
|
|
|
|
if (len != 1 || status != 0)
|
|
exit(1);
|
|
else
|
|
exit(0);
|
|
} else if (pid < 0)
|
|
exit(1);
|
|
|
|
setsid();
|
|
|
|
pid = fork();
|
|
if (pid > 0)
|
|
exit(0);
|
|
else if (pid < 0)
|
|
exit(1);
|
|
|
|
umask(027);
|
|
chdir("/");
|
|
|
|
signal(SIGTSTP, SIG_IGN);
|
|
signal(SIGTTOU, SIG_IGN);
|
|
signal(SIGTTIN, SIG_IGN);
|
|
}
|
|
#endif
|
|
|
|
#ifdef USE_KQEMU
|
|
if (smp_cpus > 1)
|
|
kqemu_allowed = 0;
|
|
#endif
|
|
linux_boot = (kernel_filename != NULL);
|
|
|
|
if (!linux_boot &&
|
|
hd_filename[0] == '\0' &&
|
|
(cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
|
|
fd_filename[0] == '\0')
|
|
help();
|
|
|
|
/* boot to floppy or the default cd if no hard disk defined yet */
|
|
if (hd_filename[0] == '\0' && boot_device == 'c') {
|
|
if (fd_filename[0] != '\0')
|
|
boot_device = 'a';
|
|
else
|
|
boot_device = 'd';
|
|
}
|
|
|
|
setvbuf(stdout, NULL, _IOLBF, 0);
|
|
|
|
init_timers();
|
|
init_timer_alarm();
|
|
qemu_aio_init();
|
|
|
|
#ifdef _WIN32
|
|
socket_init();
|
|
#endif
|
|
|
|
/* init network clients */
|
|
if (nb_net_clients == 0) {
|
|
/* if no clients, we use a default config */
|
|
pstrcpy(net_clients[0], sizeof(net_clients[0]),
|
|
"nic");
|
|
pstrcpy(net_clients[1], sizeof(net_clients[0]),
|
|
"user");
|
|
nb_net_clients = 2;
|
|
}
|
|
|
|
for(i = 0;i < nb_net_clients; i++) {
|
|
if (net_client_init(net_clients[i]) < 0)
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef TARGET_I386
|
|
if (boot_device == 'n') {
|
|
for (i = 0; i < nb_nics; i++) {
|
|
const char *model = nd_table[i].model;
|
|
char buf[1024];
|
|
if (model == NULL)
|
|
model = "ne2k_pci";
|
|
snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
|
|
if (get_image_size(buf) > 0) {
|
|
option_rom[nb_option_roms] = strdup(buf);
|
|
nb_option_roms++;
|
|
break;
|
|
}
|
|
}
|
|
if (i == nb_nics) {
|
|
fprintf(stderr, "No valid PXE rom found for network device\n");
|
|
exit(1);
|
|
}
|
|
boot_device = 'c'; /* to prevent confusion by the BIOS */
|
|
}
|
|
#endif
|
|
|
|
/* init the memory */
|
|
phys_ram_size = ram_size + vga_ram_size + bios_size;
|
|
|
|
for (i = 0; i < nb_option_roms; i++) {
|
|
int ret = get_image_size(option_rom[i]);
|
|
if (ret == -1) {
|
|
fprintf(stderr, "Could not load option rom '%s'\n", option_rom[i]);
|
|
exit(1);
|
|
}
|
|
phys_ram_size += ret;
|
|
}
|
|
|
|
phys_ram_base = qemu_vmalloc(phys_ram_size);
|
|
if (!phys_ram_base) {
|
|
fprintf(stderr, "Could not allocate physical memory\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* we always create the cdrom drive, even if no disk is there */
|
|
bdrv_init();
|
|
if (cdrom_index >= 0) {
|
|
bs_table[cdrom_index] = bdrv_new("cdrom");
|
|
bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
|
|
}
|
|
|
|
/* open the virtual block devices */
|
|
for(i = 0; i < MAX_DISKS; i++) {
|
|
if (hd_filename[i]) {
|
|
if (!bs_table[i]) {
|
|
char buf[64];
|
|
snprintf(buf, sizeof(buf), "hd%c", i + 'a');
|
|
bs_table[i] = bdrv_new(buf);
|
|
}
|
|
if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
|
|
fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
|
|
hd_filename[i]);
|
|
exit(1);
|
|
}
|
|
if (i == 0 && cyls != 0) {
|
|
bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
|
|
bdrv_set_translation_hint(bs_table[i], translation);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* we always create at least one floppy disk */
|
|
fd_table[0] = bdrv_new("fda");
|
|
bdrv_set_type_hint(fd_table[0], BDRV_TYPE_FLOPPY);
|
|
|
|
for(i = 0; i < MAX_FD; i++) {
|
|
if (fd_filename[i]) {
|
|
if (!fd_table[i]) {
|
|
char buf[64];
|
|
snprintf(buf, sizeof(buf), "fd%c", i + 'a');
|
|
fd_table[i] = bdrv_new(buf);
|
|
bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
|
|
}
|
|
if (fd_filename[i] != '\0') {
|
|
if (bdrv_open(fd_table[i], fd_filename[i],
|
|
snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
|
|
fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
|
|
fd_filename[i]);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
|
|
register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
|
|
|
|
init_ioports();
|
|
|
|
/* terminal init */
|
|
if (nographic) {
|
|
dumb_display_init(ds);
|
|
} else if (vnc_display != NULL) {
|
|
vnc_display_init(ds, vnc_display);
|
|
} else {
|
|
#if defined(CONFIG_SDL)
|
|
sdl_display_init(ds, full_screen);
|
|
#elif defined(CONFIG_COCOA)
|
|
cocoa_display_init(ds, full_screen);
|
|
#else
|
|
dumb_display_init(ds);
|
|
#endif
|
|
}
|
|
|
|
monitor_hd = qemu_chr_open(monitor_device);
|
|
if (!monitor_hd) {
|
|
fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
|
|
exit(1);
|
|
}
|
|
monitor_init(monitor_hd, !nographic);
|
|
|
|
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
|
|
const char *devname = serial_devices[i];
|
|
if (devname[0] != '\0' && strcmp(devname, "none")) {
|
|
serial_hds[i] = qemu_chr_open(devname);
|
|
if (!serial_hds[i]) {
|
|
fprintf(stderr, "qemu: could not open serial device '%s'\n",
|
|
devname);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(devname, "vc"))
|
|
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
|
|
}
|
|
}
|
|
|
|
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
|
|
const char *devname = parallel_devices[i];
|
|
if (devname[0] != '\0' && strcmp(devname, "none")) {
|
|
parallel_hds[i] = qemu_chr_open(devname);
|
|
if (!parallel_hds[i]) {
|
|
fprintf(stderr, "qemu: could not open parallel device '%s'\n",
|
|
devname);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(devname, "vc"))
|
|
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
|
|
}
|
|
}
|
|
|
|
machine->init(ram_size, vga_ram_size, boot_device,
|
|
ds, fd_filename, snapshot,
|
|
kernel_filename, kernel_cmdline, initrd_filename);
|
|
|
|
/* init USB devices */
|
|
if (usb_enabled) {
|
|
for(i = 0; i < usb_devices_index; i++) {
|
|
if (usb_device_add(usb_devices[i]) < 0) {
|
|
fprintf(stderr, "Warning: could not add USB device %s\n",
|
|
usb_devices[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
gui_timer = qemu_new_timer(rt_clock, gui_update, NULL);
|
|
qemu_mod_timer(gui_timer, qemu_get_clock(rt_clock));
|
|
|
|
#ifdef CONFIG_GDBSTUB
|
|
if (use_gdbstub) {
|
|
CharDriverState *chr;
|
|
int port;
|
|
|
|
port = atoi(gdbstub_port_name);
|
|
if (port != 0)
|
|
sprintf(gdbstub_port_name, "tcp::%d,nowait,nodelay,server", port);
|
|
chr = qemu_chr_open(gdbstub_port_name);
|
|
if (!chr) {
|
|
fprintf(stderr, "qemu: could not open gdbstub device '%s'\n",
|
|
gdbstub_port_name);
|
|
exit(1);
|
|
}
|
|
gdbserver_start(chr);
|
|
} else
|
|
#endif
|
|
if (loadvm)
|
|
do_loadvm(loadvm);
|
|
|
|
{
|
|
/* XXX: simplify init */
|
|
read_passwords();
|
|
if (autostart) {
|
|
vm_start();
|
|
}
|
|
}
|
|
|
|
if (daemonize) {
|
|
uint8_t status = 0;
|
|
ssize_t len;
|
|
int fd;
|
|
|
|
again1:
|
|
len = write(fds[1], &status, 1);
|
|
if (len == -1 && (errno == EINTR))
|
|
goto again1;
|
|
|
|
if (len != 1)
|
|
exit(1);
|
|
|
|
fd = open("/dev/null", O_RDWR);
|
|
if (fd == -1)
|
|
exit(1);
|
|
|
|
dup2(fd, 0);
|
|
dup2(fd, 1);
|
|
dup2(fd, 2);
|
|
|
|
close(fd);
|
|
}
|
|
|
|
main_loop();
|
|
quit_timers();
|
|
return 0;
|
|
}
|