| /SPARTAN/trunk/arch/amd64/src/amd64.c |
|---|
| 39,9 → 39,22 |
| #include <arch/bios/bios.h> |
| #include <arch/mm/memory_init.h> |
| #include <arch/cpu.h> |
| #include <print.h> |
| #include <arch/cpuid.h> |
| void arch_pre_mm_init(void) |
| { |
| struct cpu_info cpuid_s; |
| cpuid(AMD_CPUID_EXTENDED,&cpuid_s); |
| if (! (cpuid_s.cpuid_edx & (1<<AMD_EXT_NOEXECUTE))) { |
| printf("We do not support NX!!-----------\n"); |
| printf("%X------\n",cpuid_s.cpuid_edx); |
| cpu_halt(); |
| } |
| set_efer_flag(AMD_NXE_FLAG); |
| pm_init(); |
| if (config.cpu_active == 1) { |