| /trunk/kernel/arch/amd64/src/cpu/cpu.c |
|---|
| 76,7 → 76,7 |
| */ |
| void cpu_setup_fpu(void) |
| { |
| __asm__ volatile ( |
| asm volatile ( |
| "movq %%cr0, %%rax;" |
| "btsq $1, %%rax;" /* cr0.mp */ |
| "btrq $2, %%rax;" /* cr0.em */ |
| 99,7 → 99,7 |
| */ |
| void fpu_disable(void) |
| { |
| __asm__ volatile ( |
| asm volatile ( |
| "mov %%cr0,%%rax;" |
| "bts $3,%%rax;" |
| "mov %%rax,%%cr0;" |
| 111,7 → 111,7 |
| void fpu_enable(void) |
| { |
| __asm__ volatile ( |
| asm volatile ( |
| "mov %%cr0,%%rax;" |
| "btr $3,%%rax;" |
| "mov %%rax,%%cr0;" |