mirror of https://gitee.com/openkylin/linux.git
112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
#ifndef _ASM_X86_BOOTPARAM_H
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#define _ASM_X86_BOOTPARAM_H
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#include <linux/types.h>
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#include <linux/screen_info.h>
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#include <linux/apm_bios.h>
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#include <linux/edd.h>
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#include <asm/e820.h>
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#include <asm/ist.h>
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#include <video/edid.h>
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/* setup data types */
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#define SETUP_NONE 0
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#define SETUP_E820_EXT 1
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/* extensible setup data list node */
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struct setup_data {
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__u64 next;
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__u32 type;
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__u32 len;
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__u8 data[0];
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};
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struct setup_header {
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__u8 setup_sects;
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__u16 root_flags;
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__u32 syssize;
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__u16 ram_size;
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#define RAMDISK_IMAGE_START_MASK 0x07FF
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#define RAMDISK_PROMPT_FLAG 0x8000
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#define RAMDISK_LOAD_FLAG 0x4000
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__u16 vid_mode;
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__u16 root_dev;
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__u16 boot_flag;
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__u16 jump;
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__u32 header;
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__u16 version;
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__u32 realmode_swtch;
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__u16 start_sys;
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__u16 kernel_version;
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__u8 type_of_loader;
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__u8 loadflags;
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#define LOADED_HIGH (1<<0)
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#define QUIET_FLAG (1<<5)
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#define KEEP_SEGMENTS (1<<6)
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#define CAN_USE_HEAP (1<<7)
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__u16 setup_move_size;
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__u32 code32_start;
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__u32 ramdisk_image;
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__u32 ramdisk_size;
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__u32 bootsect_kludge;
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__u16 heap_end_ptr;
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__u16 _pad1;
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__u32 cmd_line_ptr;
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__u32 initrd_addr_max;
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__u32 kernel_alignment;
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__u8 relocatable_kernel;
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__u8 _pad2[3];
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__u32 cmdline_size;
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__u32 hardware_subarch;
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__u64 hardware_subarch_data;
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__u32 payload_offset;
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__u32 payload_length;
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__u64 setup_data;
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} __attribute__((packed));
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struct sys_desc_table {
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__u16 length;
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__u8 table[14];
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};
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struct efi_info {
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__u32 efi_loader_signature;
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__u32 efi_systab;
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__u32 efi_memdesc_size;
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__u32 efi_memdesc_version;
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__u32 efi_memmap;
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__u32 efi_memmap_size;
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__u32 efi_systab_hi;
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__u32 efi_memmap_hi;
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};
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/* The so-called "zeropage" */
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struct boot_params {
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struct screen_info screen_info; /* 0x000 */
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struct apm_bios_info apm_bios_info; /* 0x040 */
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__u8 _pad2[12]; /* 0x054 */
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struct ist_info ist_info; /* 0x060 */
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__u8 _pad3[16]; /* 0x070 */
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__u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
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__u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
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struct sys_desc_table sys_desc_table; /* 0x0a0 */
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__u8 _pad4[144]; /* 0x0b0 */
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struct edid_info edid_info; /* 0x140 */
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struct efi_info efi_info; /* 0x1c0 */
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__u32 alt_mem_k; /* 0x1e0 */
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__u32 scratch; /* Scratch field! */ /* 0x1e4 */
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__u8 e820_entries; /* 0x1e8 */
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__u8 eddbuf_entries; /* 0x1e9 */
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__u8 edd_mbr_sig_buf_entries; /* 0x1ea */
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__u8 _pad6[6]; /* 0x1eb */
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struct setup_header hdr; /* setup header */ /* 0x1f1 */
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__u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
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__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
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struct e820entry e820_map[E820MAX]; /* 0x2d0 */
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__u8 _pad8[48]; /* 0xcd0 */
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struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
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__u8 _pad9[276]; /* 0xeec */
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} __attribute__((packed));
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#endif /* _ASM_X86_BOOTPARAM_H */
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