Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/x86/include/asm/realmode.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ARCH_X86_REALMODE_H #define _ARCH_X86_REALMODE_H /* * Flag bit definitions for use with the flags field of the trampoline header * in the CONFIG_X86_64 variant. */ #define TH_FLAGS_SME_ACTIVE_BIT 0 #define TH_FLAGS_SME_ACTIVE BIT(TH_FLAGS_SME_ACTIVE_BIT) #ifndef __ASSEMBLY__ #include <linux/types.h> #include <asm/io.h> /* This must match data at realmode.S */ struct real_mode_header { u32 text_start; u32 ro_end; /* SMP trampoline */ u32 trampoline_start; u32 trampoline_header; #ifdef CONFIG_X86_64 u32 trampoline_pgd; #endif /* ACPI S3 wakeup */ #ifdef CONFIG_ACPI_SLEEP u32 wakeup_start; u32 wakeup_header; #endif /* APM/BIOS reboot */ u32 machine_real_restart_asm; #ifdef CONFIG_X86_64 u32 machine_real_restart_seg; #endif }; /* This must match data at trampoline_32/64.S */ struct trampoline_header { #ifdef CONFIG_X86_32 u32 start; u16 gdt_pad; u16 gdt_limit; u32 gdt_base; #else u64 start; u64 efer; u32 cr4; u32 flags; #endif }; extern struct real_mode_header *real_mode_header; extern unsigned char real_mode_blob_end[]; extern unsigned long initial_code; extern unsigned long initial_gs; extern unsigned long initial_stack; extern unsigned char real_mode_blob[]; extern unsigned char real_mode_relocs[]; #ifdef CONFIG_X86_32 extern unsigned char startup_32_smp[]; extern unsigned char boot_gdt[]; #else extern unsigned char secondary_startup_64[]; #endif static inline size_t real_mode_size_needed(void) { if (real_mode_header) return 0; /* already allocated. */ return ALIGN(real_mode_blob_end - real_mode_blob, PAGE_SIZE); } static inline void set_real_mode_mem(phys_addr_t mem) { real_mode_header = (struct real_mode_header *) __va(mem); } void reserve_real_mode(void); void load_trampoline_pgtable(void); #endif /* __ASSEMBLY__ */ #endif /* _ARCH_X86_REALMODE_H */
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