| /SPARTAN/trunk/arch/ia32/src/fpu_context.c |
|---|
| 49,20 → 49,30 |
| void fpu_lazy_context_save(fpu_context_t *fctx) |
| { |
| return; |
| __asm__ ( |
| "fnsave %0" |
| : "=m"(fctx) |
| ); |
| asm |
| ( |
| "push %%eax;" |
| "mov 0x8(%%esp),%%eax;" |
| "fnsave (%%eax);" |
| "pop %%eax;" |
| :"=m"(fctx) |
| : |
| :"eax" |
| ); |
| } |
| void fpu_lazy_context_restore(fpu_context_t *fctx) |
| { |
| return; |
| __asm__ ( |
| "frstor %0" |
| : "=m"(fctx) |
| ); |
| asm |
| ( |
| "push %%eax;" |
| "mov 0x8(%%esp),%%eax;" |
| "frstor (%%eax);" |
| "pop %%eax;" |
| :"=m"(fctx) |
| : |
| :"eax" |
| ); |
| } |
| void fpu_init(void) |