/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 |
/SPARTAN/trunk/arch/ia64/src/cpu/cpu.c |
---|
27,9 → 27,41 |
*/ |
#include <cpu.h> |
#include <arch.h> |
#include <arch/register.h> |
#include <print.h> |
void cpu_arch_init(void) |
{ |
} |
void cpu_identify(void) |
{ |
CPU->arch.cpuid0 = cpuid_read(0); |
CPU->arch.cpuid1 = cpuid_read(1); |
CPU->arch.cpuid3.value = cpuid_read(3); |
} |
void cpu_print_report(cpu_t *m) |
{ |
char *family_str; |
char vendor[2*sizeof(__u64)+1]; |
*((__u64 *) &vendor[0*sizeof(__u64)]) = CPU->arch.cpuid0; |
*((__u64 *) &vendor[1*sizeof(__u64)]) = CPU->arch.cpuid1; |
vendor[sizeof(vendor)-1] = '\0'; |
switch(m->arch.cpuid3.family) { |
case FAMILY_ITANIUM: |
family_str = "Itanium"; |
break; |
case FAMILY_ITANIUM2: |
family_str = "Itanium 2"; |
break; |
default: |
family_str = "Unknown"; |
break; |
} |
printf("cpu%d: %s (%s), archrev=%d, model=%d, revision=%d\n", CPU->id, family_str, vendor, CPU->arch.cpuid3.archrev, CPU->arch.cpuid3.model, CPU->arch.cpuid3.revision); |
} |
/SPARTAN/trunk/arch/ia64/src/dummy.s |
---|
33,8 → 33,6 |
.global userspace |
.global before_thread_runs_arch |
.global arch_late_init |
.global cpu_identify |
.global cpu_print_report |
.global cpu_sleep |
.global dummy |
.global fpu_enable |
46,8 → 44,6 |
calibrate_delay_loop: |
asm_delay_loop: |
arch_late_init: |
cpu_identify: |
cpu_print_report: |
cpu_sleep: |
fpu_init: |
fpu_enable: |