diff options
Diffstat (limited to 'arch/mips/include/asm/processor.h')
| -rw-r--r-- | arch/mips/include/asm/processor.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 3605b844ad8..49a61bedf40 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -96,8 +96,33 @@ extern unsigned int vced_count, vcei_count; #define NUM_FPU_REGS 32 +#define FPU_REG_WIDTH 64 -typedef __u64 fpureg_t; +union fpureg { + __u32 val32[FPU_REG_WIDTH / 32]; + __u64 val64[FPU_REG_WIDTH / 64]; +}; + +#ifdef CONFIG_CPU_LITTLE_ENDIAN +# define FPR_IDX(width, idx) (idx) +#else +# define FPR_IDX(width, idx) ((FPU_REG_WIDTH / (width)) - 1 - (idx)) +#endif + +#define BUILD_FPR_ACCESS(width) \ +static inline u##width get_fpr##width(union fpureg *fpr, unsigned idx) \ +{ \ + return fpr->val##width[FPR_IDX(width, idx)]; \ +} \ + \ +static inline void set_fpr##width(union fpureg *fpr, unsigned idx, \ + u##width val) \ +{ \ + fpr->val##width[FPR_IDX(width, idx)] = val; \ +} + +BUILD_FPR_ACCESS(32) +BUILD_FPR_ACCESS(64) /* * It would be nice to add some more fields for emulator statistics, but there @@ -107,7 +132,7 @@ typedef __u64 fpureg_t; */ struct mips_fpu_struct { - fpureg_t fpr[NUM_FPU_REGS]; + union fpureg fpr[NUM_FPU_REGS]; unsigned int fcr31; }; @@ -284,7 +309,7 @@ struct thread_struct { * Saved FPU/FPU emulator stuff \ */ \ .fpu = { \ - .fpr = {0,}, \ + .fpr = {{{0,},},}, \ .fcr31 = 0, \ }, \ /* \ |