diff options
| author | Marvin Borner | 2021-05-18 22:06:59 +0200 |
|---|---|---|
| committer | Marvin Borner | 2021-05-18 22:07:19 +0200 |
| commit | 45bfdffcb2e00fda595b3f9318469f6b0d29cbe4 (patch) | |
| tree | f78d66a7687aeb5c4fe4806adf60f70bab95dd9b /kernel/drivers/cpu.c | |
| parent | c905cd632cc7c5fa8e61eae7c00ed8e14743ced9 (diff) | |
Fixed issues with intel emulation
Diffstat (limited to 'kernel/drivers/cpu.c')
| -rw-r--r-- | kernel/drivers/cpu.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/drivers/cpu.c b/kernel/drivers/cpu.c index 5d53bef..296e73a 100644 --- a/kernel/drivers/cpu.c +++ b/kernel/drivers/cpu.c @@ -179,12 +179,14 @@ CLEAR void cpu_enable_features(void) void clac(void) { - __asm__ volatile("clac" ::: "cc"); + if (cpu_extended_features.ebx & CPUID_EXT_FEAT_EBX_SMAP) + __asm__ volatile("clac" ::: "cc"); } void stac(void) { - __asm__ volatile("stac" ::: "cc"); + if (cpu_extended_features.ebx & CPUID_EXT_FEAT_EBX_SMAP) + __asm__ volatile("stac" ::: "cc"); } CLEAR void cli(void) |