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x86-64: enable smep and smap

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Matheus
2026-04-23 15:29:43 -03:00
parent b0542a165c
commit 71dd6d1125
9 changed files with 100 additions and 4 deletions
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kernel-src/include/x86-64/arch/cpuid.h
+2
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@@ -20,6 +20,8 @@ typedef struct {
#define CPUID_LEAF_0x80000001_EDX_SYSCALL (1 << 11)
#define CPUID_LEAF_1_EDX_TSC (1 << 4)
#define CPUID_LEAF_1_EDX_HTT (1 << 28)
#define CPUID_LEAF_7_EBX_SMEP (1 << 7)
#define CPUID_LEAF_7_EBX_SMAP (1 << 20)
static inline void cpuid_with_ecx(uint32_t leaf, uint32_t ecx, cpuid_results_t *cpuid_results) {
asm volatile ("cpuid"