| /SPARTAN/trunk/arch/amd64/src/asm_utils.S |
|---|
| 39,17 → 39,22 |
| .text |
| .global interrupt_handlers |
| .global panic_printf |
| .global cpuid |
| panic_printf: |
| movq $halt, (%rsp) |
| jmp printf |
| .global memcpy |
| memcpy: |
| jmp _memcpy |
| .global cpuid |
| .global has_cpuid |
| .global rdtsc |
| .global read_efer_flag |
| .global set_efer_flag |
| ## Determine CPUID support |
| # |
| # Return 0 in EAX if CPUID is not support, 1 if supported. |