mirror of https://gitee.com/openkylin/qemu.git
305 lines
12 KiB
C
305 lines
12 KiB
C
#ifndef LOADER_H
|
|
#define LOADER_H
|
|
#include "hw/nvram/fw_cfg.h"
|
|
|
|
/* loader.c */
|
|
/**
|
|
* get_image_size: retrieve size of an image file
|
|
* @filename: Path to the image file
|
|
*
|
|
* Returns the size of the image file on success, -1 otherwise.
|
|
* On error, errno is also set as appropriate.
|
|
*/
|
|
int64_t get_image_size(const char *filename);
|
|
/**
|
|
* load_image_size: load an image file into specified buffer
|
|
* @filename: Path to the image file
|
|
* @addr: Buffer to load image into
|
|
* @size: Size of buffer in bytes
|
|
*
|
|
* Load an image file from disk into the specified buffer.
|
|
* If the image is larger than the specified buffer, only
|
|
* @size bytes are read (this is not considered an error).
|
|
*
|
|
* Prefer to use the GLib function g_file_get_contents() rather
|
|
* than a "get_image_size()/g_malloc()/load_image_size()" sequence.
|
|
*
|
|
* Returns the number of bytes read, or -1 on error. On error,
|
|
* errno is also set as appropriate.
|
|
*/
|
|
ssize_t load_image_size(const char *filename, void *addr, size_t size);
|
|
|
|
/**load_image_targphys_as:
|
|
* @filename: Path to the image file
|
|
* @addr: Address to load the image to
|
|
* @max_sz: The maximum size of the image to load
|
|
* @as: The AddressSpace to load the ELF to. The value of address_space_memory
|
|
* is used if nothing is supplied here.
|
|
*
|
|
* Load a fixed image into memory.
|
|
*
|
|
* Returns the size of the loaded image on success, -1 otherwise.
|
|
*/
|
|
int load_image_targphys_as(const char *filename,
|
|
hwaddr addr, uint64_t max_sz, AddressSpace *as);
|
|
|
|
/**load_targphys_hex_as:
|
|
* @filename: Path to the .hex file
|
|
* @entry: Store the entry point given by the .hex file
|
|
* @as: The AddressSpace to load the .hex file to. The value of
|
|
* address_space_memory is used if nothing is supplied here.
|
|
*
|
|
* Load a fixed .hex file into memory.
|
|
*
|
|
* Returns the size of the loaded .hex file on success, -1 otherwise.
|
|
*/
|
|
int load_targphys_hex_as(const char *filename, hwaddr *entry, AddressSpace *as);
|
|
|
|
/** load_image_targphys:
|
|
* Same as load_image_targphys_as(), but doesn't allow the caller to specify
|
|
* an AddressSpace.
|
|
*/
|
|
int load_image_targphys(const char *filename, hwaddr,
|
|
uint64_t max_sz);
|
|
|
|
/**
|
|
* load_image_mr: load an image into a memory region
|
|
* @filename: Path to the image file
|
|
* @mr: Memory Region to load into
|
|
*
|
|
* Load the specified file into the memory region.
|
|
* The file loaded is registered as a ROM, so its contents will be
|
|
* reinstated whenever the system is reset.
|
|
* If the file is larger than the memory region's size the call will fail.
|
|
* Returns -1 on failure, or the size of the file.
|
|
*/
|
|
int load_image_mr(const char *filename, MemoryRegion *mr);
|
|
|
|
/* This is the limit on the maximum uncompressed image size that
|
|
* load_image_gzipped_buffer() and load_image_gzipped() will read. It prevents
|
|
* g_malloc() in those functions from allocating a huge amount of memory.
|
|
*/
|
|
#define LOAD_IMAGE_MAX_GUNZIP_BYTES (256 << 20)
|
|
|
|
int load_image_gzipped_buffer(const char *filename, uint64_t max_sz,
|
|
uint8_t **buffer);
|
|
int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz);
|
|
|
|
#define ELF_LOAD_FAILED -1
|
|
#define ELF_LOAD_NOT_ELF -2
|
|
#define ELF_LOAD_WRONG_ARCH -3
|
|
#define ELF_LOAD_WRONG_ENDIAN -4
|
|
const char *load_elf_strerror(int error);
|
|
|
|
/** load_elf_ram_sym:
|
|
* @filename: Path of ELF file
|
|
* @translate_fn: optional function to translate load addresses
|
|
* @translate_opaque: opaque data passed to @translate_fn
|
|
* @pentry: Populated with program entry point. Ignored if NULL.
|
|
* @lowaddr: Populated with lowest loaded address. Ignored if NULL.
|
|
* @highaddr: Populated with highest loaded address. Ignored if NULL.
|
|
* @bigendian: Expected ELF endianness. 0 for LE otherwise BE
|
|
* @elf_machine: Expected ELF machine type
|
|
* @clear_lsb: Set to mask off LSB of addresses (Some architectures use
|
|
* this for non-address data)
|
|
* @data_swab: Set to order of byte swapping for data. 0 for no swap, 1
|
|
* for swapping bytes within halfwords, 2 for bytes within
|
|
* words and 3 for within doublewords.
|
|
* @as: The AddressSpace to load the ELF to. The value of address_space_memory
|
|
* is used if nothing is supplied here.
|
|
* @load_rom : Load ELF binary as ROM
|
|
* @sym_cb: Callback function for symbol table entries
|
|
*
|
|
* Load an ELF file's contents to the emulated system's address space.
|
|
* Clients may optionally specify a callback to perform address
|
|
* translations. @pentry, @lowaddr and @highaddr are optional pointers
|
|
* which will be populated with various load information. @bigendian and
|
|
* @elf_machine give the expected endianness and machine for the ELF the
|
|
* load will fail if the target ELF does not match. Some architectures
|
|
* have some architecture-specific behaviours that come into effect when
|
|
* their particular values for @elf_machine are set.
|
|
* If @elf_machine is EM_NONE then the machine type will be read from the
|
|
* ELF header and no checks will be carried out against the machine type.
|
|
*/
|
|
typedef void (*symbol_fn_t)(const char *st_name, int st_info,
|
|
uint64_t st_value, uint64_t st_size);
|
|
|
|
int load_elf_ram_sym(const char *filename,
|
|
uint64_t (*translate_fn)(void *, uint64_t),
|
|
void *translate_opaque, uint64_t *pentry,
|
|
uint64_t *lowaddr, uint64_t *highaddr, int big_endian,
|
|
int elf_machine, int clear_lsb, int data_swab,
|
|
AddressSpace *as, bool load_rom, symbol_fn_t sym_cb);
|
|
|
|
/** load_elf_ram:
|
|
* Same as load_elf_ram_sym(), but doesn't allow the caller to specify a
|
|
* symbol callback function
|
|
*/
|
|
int load_elf_ram(const char *filename,
|
|
uint64_t (*translate_fn)(void *, uint64_t),
|
|
void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
|
|
uint64_t *highaddr, int big_endian, int elf_machine,
|
|
int clear_lsb, int data_swab, AddressSpace *as,
|
|
bool load_rom);
|
|
|
|
/** load_elf_as:
|
|
* Same as load_elf_ram(), but always loads the elf as ROM
|
|
*/
|
|
int load_elf_as(const char *filename,
|
|
uint64_t (*translate_fn)(void *, uint64_t),
|
|
void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
|
|
uint64_t *highaddr, int big_endian, int elf_machine,
|
|
int clear_lsb, int data_swab, AddressSpace *as);
|
|
|
|
/** load_elf:
|
|
* Same as load_elf_as(), but doesn't allow the caller to specify an
|
|
* AddressSpace.
|
|
*/
|
|
int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
|
|
void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
|
|
uint64_t *highaddr, int big_endian, int elf_machine,
|
|
int clear_lsb, int data_swab);
|
|
|
|
/** load_elf_hdr:
|
|
* @filename: Path of ELF file
|
|
* @hdr: Buffer to populate with header data. Header data will not be
|
|
* filled if set to NULL.
|
|
* @is64: Set to true if the ELF is 64bit. Ignored if set to NULL
|
|
* @errp: Populated with an error in failure cases
|
|
*
|
|
* Inspect an ELF file's header. Read its full header contents into a
|
|
* buffer and/or determine if the ELF is 64bit.
|
|
*/
|
|
void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp);
|
|
|
|
int load_aout(const char *filename, hwaddr addr, int max_sz,
|
|
int bswap_needed, hwaddr target_page_size);
|
|
|
|
/** load_uimage_as:
|
|
* @filename: Path of uimage file
|
|
* @ep: Populated with program entry point. Ignored if NULL.
|
|
* @loadaddr: Populated with the load address. Ignored if NULL.
|
|
* @is_linux: Is set to true if the image loaded is Linux. Ignored if NULL.
|
|
* @translate_fn: optional function to translate load addresses
|
|
* @translate_opaque: opaque data passed to @translate_fn
|
|
* @as: The AddressSpace to load the ELF to. The value of address_space_memory
|
|
* is used if nothing is supplied here.
|
|
*
|
|
* Loads a u-boot image into memory.
|
|
*
|
|
* Returns the size of the loaded image on success, -1 otherwise.
|
|
*/
|
|
int load_uimage_as(const char *filename, hwaddr *ep,
|
|
hwaddr *loadaddr, int *is_linux,
|
|
uint64_t (*translate_fn)(void *, uint64_t),
|
|
void *translate_opaque, AddressSpace *as);
|
|
|
|
/** load_uimage:
|
|
* Same as load_uimage_as(), but doesn't allow the caller to specify an
|
|
* AddressSpace.
|
|
*/
|
|
int load_uimage(const char *filename, hwaddr *ep,
|
|
hwaddr *loadaddr, int *is_linux,
|
|
uint64_t (*translate_fn)(void *, uint64_t),
|
|
void *translate_opaque);
|
|
|
|
/**
|
|
* load_ramdisk_as:
|
|
* @filename: Path to the ramdisk image
|
|
* @addr: Memory address to load the ramdisk to
|
|
* @max_sz: Maximum allowed ramdisk size (for non-u-boot ramdisks)
|
|
* @as: The AddressSpace to load the ELF to. The value of address_space_memory
|
|
* is used if nothing is supplied here.
|
|
*
|
|
* Load a ramdisk image with U-Boot header to the specified memory
|
|
* address.
|
|
*
|
|
* Returns the size of the loaded image on success, -1 otherwise.
|
|
*/
|
|
int load_ramdisk_as(const char *filename, hwaddr addr, uint64_t max_sz,
|
|
AddressSpace *as);
|
|
|
|
/**
|
|
* load_ramdisk:
|
|
* Same as load_ramdisk_as(), but doesn't allow the caller to specify
|
|
* an AddressSpace.
|
|
*/
|
|
int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz);
|
|
|
|
ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src, size_t srclen);
|
|
|
|
ssize_t read_targphys(const char *name,
|
|
int fd, hwaddr dst_addr, size_t nbytes);
|
|
void pstrcpy_targphys(const char *name,
|
|
hwaddr dest, int buf_size,
|
|
const char *source);
|
|
|
|
extern bool option_rom_has_mr;
|
|
extern bool rom_file_has_mr;
|
|
|
|
int rom_add_file(const char *file, const char *fw_dir,
|
|
hwaddr addr, int32_t bootindex,
|
|
bool option_rom, MemoryRegion *mr, AddressSpace *as);
|
|
MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len,
|
|
size_t max_len, hwaddr addr,
|
|
const char *fw_file_name,
|
|
FWCfgCallback fw_callback,
|
|
void *callback_opaque, AddressSpace *as,
|
|
bool read_only);
|
|
int rom_add_elf_program(const char *name, void *data, size_t datasize,
|
|
size_t romsize, hwaddr addr, AddressSpace *as);
|
|
int rom_check_and_register_reset(void);
|
|
void rom_set_fw(FWCfgState *f);
|
|
void rom_set_order_override(int order);
|
|
void rom_reset_order_override(void);
|
|
|
|
/**
|
|
* rom_transaction_begin:
|
|
*
|
|
* Call this before of a series of rom_add_*() calls. Call
|
|
* rom_transaction_end() afterwards to commit or abort. These functions are
|
|
* useful for undoing a series of rom_add_*() calls if image file loading fails
|
|
* partway through.
|
|
*/
|
|
void rom_transaction_begin(void);
|
|
|
|
/**
|
|
* rom_transaction_end:
|
|
* @commit: true to commit added roms, false to drop added roms
|
|
*
|
|
* Call this after a series of rom_add_*() calls. See rom_transaction_begin().
|
|
*/
|
|
void rom_transaction_end(bool commit);
|
|
|
|
int rom_copy(uint8_t *dest, hwaddr addr, size_t size);
|
|
void *rom_ptr(hwaddr addr, size_t size);
|
|
void hmp_info_roms(Monitor *mon, const QDict *qdict);
|
|
|
|
#define rom_add_file_fixed(_f, _a, _i) \
|
|
rom_add_file(_f, NULL, _a, _i, false, NULL, NULL)
|
|
#define rom_add_blob_fixed(_f, _b, _l, _a) \
|
|
rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, NULL, NULL, true)
|
|
#define rom_add_file_mr(_f, _mr, _i) \
|
|
rom_add_file(_f, NULL, 0, _i, false, _mr, NULL)
|
|
#define rom_add_file_as(_f, _as, _i) \
|
|
rom_add_file(_f, NULL, 0, _i, false, NULL, _as)
|
|
#define rom_add_file_fixed_as(_f, _a, _i, _as) \
|
|
rom_add_file(_f, NULL, _a, _i, false, NULL, _as)
|
|
#define rom_add_blob_fixed_as(_f, _b, _l, _a, _as) \
|
|
rom_add_blob(_f, _b, _l, _l, _a, NULL, NULL, NULL, _as, true)
|
|
|
|
#define PC_ROM_MIN_VGA 0xc0000
|
|
#define PC_ROM_MIN_OPTION 0xc8000
|
|
#define PC_ROM_MAX 0xe0000
|
|
#define PC_ROM_ALIGN 0x800
|
|
#define PC_ROM_SIZE (PC_ROM_MAX - PC_ROM_MIN_VGA)
|
|
|
|
int rom_add_vga(const char *file);
|
|
int rom_add_option(const char *file, int32_t bootindex);
|
|
|
|
/* This is the usual maximum in uboot, so if a uImage overflows this, it would
|
|
* overflow on real hardware too. */
|
|
#define UBOOT_MAX_GUNZIP_BYTES (64 << 20)
|
|
|
|
#endif
|