| 32,19 → 32,35 |
|---|
| .global context_restore |
| |
| context_save: |
| alloc loc0 = ar.pfs, 1, 10, 0, 0 |
| alloc loc0 = ar.pfs, 1, 11, 0, 0 |
| mov loc1 = ar.unat ;; |
| /* loc2 */ |
| mov loc3 = ar.rsc |
| mov loc4 = ar.bsp |
| mov loc5 = ar.rnat |
| mov loc6 = ar.lc |
| mov loc7 = ar.ec |
| mov loc8 = ar.ccv |
| mov loc9 = ar.csd |
| mov loc10 = ar.ssd |
| |
| /* |
| * Save application registers |
| */ |
| st8 [in0] = loc0, 8 ;; /* save ar.pfs */ |
| st8 [in0] = loc1, 8 ;; /* save ar.unat (caller) */ |
| mov loc2 = in0 ;; |
| add in0 = 8, in0 ;; /* skip ar.unat (callee) */ |
| st8 [in0] = loc3, 8 ;; /* save ar.rsc */ |
| st8 [in0] = loc4, 8 ;; /* save ar.bsp */ |
| st8 [in0] = loc5, 8 ;; /* save ar.rnat */ |
| st8 [in0] = loc6, 8 ;; /* save ar.lc */ |
| st8 [in0] = loc7, 8 ;; /* save ar.ec */ |
| st8 [in0] = loc8, 8 ;; /* save ar.ccv */ |
| st8 [in0] = loc9, 8 ;; /* save ar.csd */ |
| st8 [in0] = loc10, 8 ;; /* save ar.ssd */ |
| |
| /* |
| * TODO: save the rest of the context registers. |
| */ |
| |
| /* |
| * Save general registers including NaT bits |
| */ |
| st8.spill [in0] = r1, 8 ;; |
| 115,17 → 131,30 |
|---|
| br.ret.sptk.many b0 |
| |
| context_restore: |
| alloc loc0 = ar.pfs, 1, 10, 0, 0 ;; |
| alloc loc0 = ar.pfs, 1, 11, 0, 0 ;; |
| |
| ld8 loc0 = [in0], 8 ;; /* load ar.pfs */ |
| ld8 loc1 = [in0], 8 ;; /* load ar.unat (caller) */ |
| ld8 loc2 = [in0], 8 ;; /* load ar.unat (callee) */ |
| ld8 loc3 = [in0], 8 ;; /* load ar.rsc */ |
| ld8 loc4 = [in0], 8 ;; /* load ar.bsp */ |
| ld8 loc5 = [in0], 8 ;; /* load ar.rnat */ |
| ld8 loc6 = [in0], 8 ;; /* load ar.lc */ |
| ld8 loc7 = [in0], 8 ;; /* load ar.ec */ |
| ld8 loc8 = [in0], 8 ;; /* load ar.ccv */ |
| ld8 loc9 = [in0], 8 ;; /* load ar.csd */ |
| ld8 loc10 = [in0], 8 ;; /* load ar.ssd */ |
| |
| /* |
| * TODO: restore the rest of the context registers. |
| * Restore application registers |
| */ |
| |
| ld8 loc0 = [in0], 8 ;; /* load pfs */ |
| ld8 loc1 = [in0], 8 ;; /* load unat (caller) */ |
| ld8 loc2 = [in0], 8 ;; /* load unat (callee) */ |
| |
| mov ar.unat = loc2 ;; |
| /* TODO: restore ar.rsc, ar.rnat, ar.bspstore */ |
| mov ar.lc = loc6 |
| mov ar.ec = loc7 |
| mov ar.ccv = loc8 |
| mov ar.csd = loc9 |
| mov ar.ssd = loc10 |
| |
| /* |
| * Restore general registers including NaT bits |