| /SPARTAN/trunk/arch/ia64/include/cpu.h |
|---|
| 29,9 → 29,32 |
| #ifndef __ia64_CPU_H__ |
| #define __ia64_CPU_H__ |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #include <arch/register.h> |
| #define FAMILY_ITANIUM 0x7 |
| #define FAMILY_ITANIUM2 0x1f |
| struct cpu_arch { |
| __u64 cpuid0; |
| __u64 cpuid1; |
| cpuid3_t cpuid3; |
| }; |
| /** Read CPUID register. |
| * |
| * @param n CPUID register number. |
| * |
| * @return Value of CPUID[n] register. |
| */ |
| static inline __u64 cpuid_read(int n) |
| { |
| __u64 v; |
| __asm__ volatile ("mov %0 = cpuid[%1]\n" : "=r" (v) : "r" (n)); |
| return v; |
| } |
| #endif |