diff options
Diffstat (limited to 'i386/i386/fpu.h')
| -rw-r--r-- | i386/i386/fpu.h | 67 |
1 files changed, 46 insertions, 21 deletions
diff --git a/i386/i386/fpu.h b/i386/i386/fpu.h index c77cc96d..33838cc0 100644 --- a/i386/i386/fpu.h +++ b/i386/i386/fpu.h @@ -142,6 +142,51 @@ static inline void set_xcr0(uint64_t value) { #define fpu_load_context(pcb) +#define fpu_save(ifps) \ + do { \ + switch (fp_save_kind) { \ + case FP_XSAVE: \ + xsave(&(ifps)->xfp_save_state); \ + break; \ + case FP_XSAVEOPT: \ + xsaveopt(&(ifps)->xfp_save_state); \ + break; \ + case FP_XSAVEC: \ + xsavec(&(ifps)->xfp_save_state); \ + break; \ + case FP_XSAVES: \ + xsaves(&(ifps)->xfp_save_state); \ + break; \ + case FP_FXSAVE: \ + fxsave(&(ifps)->xfp_save_state); \ + break; \ + case FP_FNSAVE: \ + fnsave(&(ifps)->fp_save_state); \ + break; \ + } \ + (ifps)->fp_valid = TRUE; \ + } while (0) + +#define fpu_rstor(ifps) \ + do { \ + switch (fp_save_kind) { \ + case FP_XSAVE: \ + case FP_XSAVEOPT: \ + case FP_XSAVEC: \ + xrstor((ifps)->xfp_save_state); \ + break; \ + case FP_XSAVES: \ + xrstors((ifps)->xfp_save_state); \ + break; \ + case FP_FXSAVE: \ + fxrstor((ifps)->xfp_save_state); \ + break; \ + case FP_FNSAVE: \ + frstor((ifps)->fp_save_state); \ + break; \ + } \ + } while (0) + /* * Save thread`s FPU context. * If only one CPU, we just set the task-switched bit, @@ -155,27 +200,7 @@ static inline void set_xcr0(uint64_t value) { ifps = (thread)->pcb->ims.ifps; \ if (ifps != 0 && !ifps->fp_valid) { \ /* registers are in FPU - save to memory */ \ - ifps->fp_valid = TRUE; \ - switch (fp_save_kind) { \ - case FP_XSAVE: \ - xsave(&ifps->xfp_save_state); \ - break; \ - case FP_XSAVEOPT: \ - xsaveopt(&ifps->xfp_save_state); \ - break; \ - case FP_XSAVEC: \ - xsavec(&ifps->xfp_save_state); \ - break; \ - case FP_XSAVES: \ - xsaves(&ifps->xfp_save_state); \ - break; \ - case FP_FXSAVE: \ - fxsave(&ifps->xfp_save_state); \ - break; \ - case FP_FNSAVE: \ - fnsave(&ifps->fp_save_state); \ - break; \ - } \ + fpu_save(ifps); \ set_ts(); \ } \ } |