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 |