vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ARCH_X86_REALMODE_H
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#define _ARCH_X86_REALMODE_H
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/*
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* Flag bit definitions for use with the flags field of the trampoline header
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* in the CONFIG_X86_64 variant.
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*/
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#define TH_FLAGS_SME_ACTIVE_BIT 0
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#define TH_FLAGS_SME_ACTIVE BIT(TH_FLAGS_SME_ACTIVE_BIT)
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#ifndef __ASSEMBLER__
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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/rm/header.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_header;
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#ifdef CONFIG_AMD_MEM_ENCRYPT
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u32 sev_es_trampoline_start;
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#endif
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#ifdef CONFIG_X86_64
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u32 trampoline_start64;
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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 realmode/rm/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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u32 flags;
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u32 lock;
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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 initial_code;
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extern unsigned long initial_stack;
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#ifdef CONFIG_AMD_MEM_ENCRYPT
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extern unsigned long initial_vc_handler;
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#endif
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extern u32 *trampoline_lock;
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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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extern unsigned char secondary_startup_64_no_verify[];
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#endif
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static __always_inline size_t real_mode_size_needed(void)
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{
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if (real_mode_header)
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return 0; /* already allocated. */
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return ALIGN(real_mode_blob_end - real_mode_blob, PAGE_SIZE);
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}
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static inline void set_real_mode_mem(phys_addr_t mem)
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{
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real_mode_header = (struct real_mode_header *) __va(mem);
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}
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void reserve_real_mode(void);
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void load_trampoline_pgtable(void);
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void init_real_mode(void);
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#endif /* __ASSEMBLER__ */
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#endif /* _ARCH_X86_REALMODE_H */
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