mirror of https://gitee.com/openkylin/linux.git
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#ifndef _ARCH_X86_REALMODE_H
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#define _ARCH_X86_REALMODE_H
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#include <linux/types.h>
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#include <asm/io.h>
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/* This must match data at realmode.S */
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struct real_mode_header {
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u32 text_start;
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u32 ro_end;
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u32 end;
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/* reboot */
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#ifdef CONFIG_X86_32
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u32 machine_real_restart_asm;
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#endif
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/* SMP trampoline */
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u32 trampoline_data;
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u32 trampoline_status;
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#ifdef CONFIG_X86_32
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u32 startup_32_smp;
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u32 boot_gdt;
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#else
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u32 startup_64_smp;
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u32 level3_ident_pgt;
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u32 level3_kernel_pgt;
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#endif
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#ifdef CONFIG_ACPI_SLEEP
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u32 wakeup_start;
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u32 wakeup_header;
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#endif
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} __attribute__((__packed__));
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extern struct real_mode_header real_mode_header;
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extern unsigned char *real_mode_base;
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extern unsigned long init_rsp;
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extern unsigned long initial_code;
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extern unsigned long initial_gs;
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extern unsigned char real_mode_blob[];
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extern unsigned char real_mode_relocs[];
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#ifdef CONFIG_X86_32
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extern unsigned char startup_32_smp[];
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extern unsigned char boot_gdt[];
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#else
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extern unsigned char secondary_startup_64[];
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#endif
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extern void __init setup_real_mode(void);
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#endif /* _ARCH_X86_REALMODE_H */
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