| /kernel/trunk/arch/ia32/include/interrupt.h |
|---|
| 84,6 → 84,7 |
| extern void gp_fault(int n, istate_t *istate); |
| extern void nm_fault(int n, istate_t *istate); |
| extern void ss_fault(int n, istate_t *istate); |
| extern void simd_fp_exception(int n, istate_t *istate); |
| extern void page_fault(int n, istate_t *istate); |
| extern void syscall(int n, istate_t *istate); |
| extern void tlb_shootdown_ipi(int n, istate_t *istate); |
| /kernel/trunk/arch/ia32/include/fpu_context.h |
|---|
| 34,6 → 34,10 |
| #define ARCH_HAS_FPU |
| #define FPU_CONTEXT_ALIGN 16 |
| void fpu_fxsr(void); |
| void fpu_fsr(void); |
| struct fpu_context { |
| /* TODO: We need malloc that aligns structures on 16-byte boundary */ |
| __u8 fpu[512]; /* FXSAVE & FXRSTOR storage area */ |
| /kernel/trunk/arch/ia32/include/cpuid.h |
|---|
| 38,6 → 38,34 |
| __u32 cpuid_edx; |
| } __attribute__ ((packed)); |
| struct __cpuid_extended_feature_info { |
| unsigned sse3 : 1; |
| unsigned : 31; |
| } __attribute__ ((packed)); |
| typedef union cpuid_extended_feature_info |
| { |
| struct __cpuid_extended_feature_info bits; |
| __u32 word; |
| }cpuid_extended_feature_info; |
| struct __cpuid_feature_info { |
| unsigned : 23; |
| unsigned mmx : 1; |
| unsigned fxsr : 1; |
| unsigned sse : 1; |
| unsigned sse2 : 1; |
| unsigned : 5; |
| } __attribute__ ((packed)); |
| typedef union cpuid_feature_info |
| { |
| struct __cpuid_feature_info bits; |
| __u32 word ; |
| }cpuid_feature_info; |
| static inline __u32 has_cpuid(void) |
| { |
| __u32 val, ret; |
| /kernel/trunk/arch/ia32/include/cpu.h |
|---|
| 41,4 → 41,7 |
| struct tss *tss; |
| }; |
| #define CR4_OSFXSR_MASK (1<<9) |
| #endif |