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
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_MICROCODE_H
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#define _ASM_X86_MICROCODE_H
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#include <asm/msr.h>
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struct cpu_signature {
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unsigned int sig;
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unsigned int pf;
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unsigned int rev;
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};
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struct ucode_cpu_info {
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struct cpu_signature cpu_sig;
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void *mc;
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};
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#ifdef CONFIG_MICROCODE
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void load_ucode_bsp(void);
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void load_ucode_ap(void);
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void microcode_bsp_resume(void);
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bool __init microcode_loader_disabled(void);
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#else
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static inline void load_ucode_bsp(void) { }
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static inline void load_ucode_ap(void) { }
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static inline void microcode_bsp_resume(void) { }
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static inline bool __init microcode_loader_disabled(void) { return false; }
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#endif
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extern unsigned long initrd_start_early;
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#ifdef CONFIG_CPU_SUP_INTEL
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/* Intel specific microcode defines. Public for IFS */
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struct microcode_header_intel {
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unsigned int hdrver;
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unsigned int rev;
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unsigned int date;
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unsigned int sig;
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unsigned int cksum;
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unsigned int ldrver;
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unsigned int pf;
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unsigned int datasize;
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unsigned int totalsize;
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unsigned int metasize;
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unsigned int min_req_ver;
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unsigned int reserved;
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};
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struct microcode_intel {
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struct microcode_header_intel hdr;
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unsigned int bits[];
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};
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#define DEFAULT_UCODE_DATASIZE (2000)
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#define MC_HEADER_SIZE (sizeof(struct microcode_header_intel))
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#define MC_HEADER_TYPE_MICROCODE 1
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#define MC_HEADER_TYPE_IFS 2
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static inline int intel_microcode_get_datasize(struct microcode_header_intel *hdr)
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{
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return hdr->datasize ? : DEFAULT_UCODE_DATASIZE;
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}
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static inline u32 intel_get_microcode_revision(void)
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{
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u32 rev, dummy;
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native_wrmsrq(MSR_IA32_UCODE_REV, 0);
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/* As documented in the SDM: Do a CPUID 1 here */
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native_cpuid_eax(1);
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/* get the current revision from MSR 0x8B */
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native_rdmsr(MSR_IA32_UCODE_REV, dummy, rev);
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return rev;
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}
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#endif /* !CONFIG_CPU_SUP_INTEL */
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bool microcode_nmi_handler(void);
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void microcode_offline_nmi_handler(void);
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#ifdef CONFIG_MICROCODE_LATE_LOADING
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DECLARE_STATIC_KEY_FALSE(microcode_nmi_handler_enable);
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static __always_inline bool microcode_nmi_handler_enabled(void)
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{
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return static_branch_unlikely(µcode_nmi_handler_enable);
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}
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#else
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static __always_inline bool microcode_nmi_handler_enabled(void) { return false; }
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#endif
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#endif /* _ASM_X86_MICROCODE_H */
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