/SPARTAN/trunk/arch/ia64/include/register.h |
---|
178,6 → 178,20 |
typedef union cr_isr cr_isr_t; |
/** CPUID Register 3 */ |
union cpuid3 { |
struct { |
__u8 number; |
__u8 revision; |
__u8 model; |
__u8 family; |
__u8 archrev; |
} __attribute__ ((packed)); |
__u64 value; |
}; |
typedef union cpuid3 cpuid3_t; |
#endif /* !__ASM__ */ |
#endif |
/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 |