238b706da1
Make "struct ist_info" valid on both i386 and x86-64, and use the structure by name in the setup code. Additionally, "Intel SpeedStep IST" is redundant, refer to it as IST consistently. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
#ifndef _ASM_BOOTPARAM_H
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#define _ASM_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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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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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 0x01
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#define CAN_USE_HEAP 0x80
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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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} __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 _pad1;
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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 _pad2[2];
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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_BOOTPARAM_H */
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