| /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: |