diff options
Diffstat (limited to 'kernel/drivers/cpu.c')
| -rw-r--r-- | kernel/drivers/cpu.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/kernel/drivers/cpu.c b/kernel/drivers/cpu.c index 44091a3..93c2cf3 100644 --- a/kernel/drivers/cpu.c +++ b/kernel/drivers/cpu.c @@ -156,6 +156,9 @@ CLEAR void cpu_enable_features(void) cpu_extended_information = cpuid(0x80000001); cpu_extended_features = cpuid(0x7); + // Enable NMI + outb(0x70, inb(0x70) & 0x7F); + // Enable SSE if (cpu_features.edx & CPUID_FEAT_EDX_SSE) { __asm__ volatile("clts"); @@ -201,11 +204,11 @@ CLEAR void cpu_enable_features(void) } // Enable UMIP // TODO: QEMU support?! - if (cpu_extended_features.ecx & CPUID_EXT_FEAT_ECX_UMIP) { - cr4_set(cr4_get() | 0x800); - } else { - print("No UMIP support :(\n"); - } + /* if (cpu_extended_features.ecx & CPUID_EXT_FEAT_ECX_UMIP) { */ + /* cr4_set(cr4_get() | 0x800); */ + /* } else { */ + /* print("No UMIP support :(\n"); */ + /* } */ } /** |