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64 lines
1.2 KiB
64 lines
1.2 KiB
#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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/* SMP trampoline */ |
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u32 trampoline_start; |
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u32 trampoline_status; |
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u32 trampoline_header; |
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#ifdef CONFIG_X86_64 |
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u32 trampoline_pgd; |
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#endif |
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/* ACPI S3 wakeup */ |
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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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/* APM/BIOS reboot */ |
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u32 machine_real_restart_asm; |
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#ifdef CONFIG_X86_64 |
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u32 machine_real_restart_seg; |
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#endif |
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}; |
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/* This must match data at trampoline_32/64.S */ |
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struct trampoline_header { |
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#ifdef CONFIG_X86_32 |
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u32 start; |
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u16 gdt_pad; |
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u16 gdt_limit; |
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u32 gdt_base; |
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#else |
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u64 start; |
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u64 efer; |
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u32 cr4; |
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#endif |
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}; |
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extern struct real_mode_header *real_mode_header; |
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extern unsigned char real_mode_blob_end[]; |
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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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void reserve_real_mode(void); |
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void setup_real_mode(void); |
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#endif /* _ARCH_X86_REALMODE_H */
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