diff options
Diffstat (limited to 'lib/libkse')
| -rw-r--r-- | lib/libkse/arch/ia64/ia64/context.S | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/lib/libkse/arch/ia64/ia64/context.S b/lib/libkse/arch/ia64/ia64/context.S index af5a786..8b739c6 100644 --- a/lib/libkse/arch/ia64/ia64/context.S +++ b/lib/libkse/arch/ia64/ia64/context.S @@ -27,14 +27,299 @@ #include <machine/asm.h> __FBSDID("$FreeBSD$"); +#define SIZEOF_SPECIAL (18*8) + /* * int _ia64_restore_context(mcontext_t *mc, intptr_t val, intptr_t *loc); */ ENTRY(_ia64_restore_context, 3) +{ .mmi + invala + mov ar.rsc=0xc + add r32=16,r32 + ;; +} +{ .mmi + loadrs + ld8 r12=[r32] // sp + add r31=8,r32 + ;; +} +{ .mii + ld8 r16=[r31],16 // unat (before) + add r30=16,r32 + add r14=SIZEOF_SPECIAL,r32 + ;; +} +{ .mmi + ld8 r17=[r30],16 // rp + ld8 r18=[r31],16 // pr + mov r2=r33 + ;; +} +{ .mmi + ld8 r19=[r30],16 // pfs + ld8 r20=[r31],24 // bspstore + mov rp=r17 + ;; +} +{ .mmi + ld8 r21=[r30],24 // rnat + ld8 r13=[r31],16 // tp + mov pr=r18,0x1fffe + ;; +} +{ .mmi + ld8 r22=[r30],16 // rsc + ld8 r23=[r31],16 // fpsr + mov r3=r34 + ;; +} +{ .mmi + ld8 r17=[r14],8 // unat (after) + mov ar.bspstore=r20 + cmp.ne p15,p0=r0,r3 + ;; +} +{ .mmi + mov ar.rnat=r21 + mov ar.unat=r17 + add r15=8,r14 + ;; +} +{ .mmi + ld8.fill r4=[r14],16 // r4 + ld8.fill r5=[r15],16 // r5 + mov ar.pfs=r19 + ;; +} +{ .mmi + ld8.fill r6=[r14],16 // r6 + ld8.fill r7=[r15],16 // r7 + nop 0 + ;; +} +{ .mmi + mov ar.unat=r16 + mov ar.rsc=r22 + nop 0 +} +{ .mmi + ld8 r17=[r14],16 // b1 + ld8 r18=[r15],16 // b2 + nop 0 + ;; +} +{ .mmi + ld8 r19=[r14],16 // b3 + ld8 r20=[r15],16 // b4 + mov b1=r17 + ;; +} +{ .mmi + ld8 r16=[r14],24 // b5 + ld8 r17=[r15],32 // lc + mov b2=r18 + ;; +} +{ .mmi + ldf.fill f2=[r14],32 + ldf.fill f3=[r15],32 + mov b3=r19 + ;; +} +{ .mmi + ldf.fill f4=[r14],32 + ldf.fill f5=[r15],32 + mov b4=r20 + ;; +} +{ .mmi + ldf.fill f16=[r14],32 + ldf.fill f17=[r15],32 + mov b5=r16 + ;; +} +{ .mmi + ldf.fill f18=[r14],32 + ldf.fill f19=[r15],32 + mov ar.lc=r17 + ;; +} + ldf.fill f20=[r14],32 + ldf.fill f21=[r15],32 + ;; + ldf.fill f22=[r14],32 + ldf.fill f23=[r15],32 + ;; + ldf.fill f24=[r14],32 + ldf.fill f25=[r15],32 + ;; + ldf.fill f26=[r14],32 + ldf.fill f27=[r15],32 + ;; + ldf.fill f28=[r14],32 + ldf.fill f29=[r15],32 + ;; +{ .mmi + ldf.fill f30=[r14] + ldf.fill f31=[r15] + add r8=1,r0 + ;; +} +{ .mmb +(p15) st8 [r3]=r2 + mov ar.fpsr=r23 + br.ret.sptk rp + ;; +} END(_ia64_restore_context) /* * int _ia64_save_context(mcontext_t *mc); */ ENTRY(_ia64_save_context, 1) +{ .mmi + mov r14=ar.rsc + mov r15=ar.fpsr + add r31=8,r32 + ;; +} +{ .mmi + st8 [r32]=r0,16 + st8 [r31]=r0,16 + nop 0 + ;; +} +{ .mmi + mov ar.rsc=0xc + mov r16=ar.unat + nop 0 + ;; +} +{ .mmi + flushrs + st8 [r32]=sp,16 // sp + mov r17=rp + ;; +} +{ .mmi + st8 [r31]=r16,16 // unat (before) + st8 [r32]=r17,16 // rp + mov r16=pr + ;; +} +{ .mmi + st8 [r31]=r16,16 // pr + mov r17=ar.bsp + mov r16=ar.pfs + ;; +} +{ .mmi + st8 [r32]=r16,16 // pfs + st8 [r31]=r17,16 // bspstore + nop 0 + ;; +} +{ .mmi + mov r16=ar.rnat + mov ar.rsc=r14 + add r30=SIZEOF_SPECIAL-(6*8),r32 + ;; +} +{ .mmi + st8 [r32]=r16,16 // rnat + st8 [r31]=r0,16 // __spare + nop 0 + ;; +} +{ .mmi + st8 [r32]=r13,16 // tp + st8 [r31]=r14,16 // rsc + mov r16=b1 + ;; +} +{ .mmi + st8 [r32]=r15,10*8 // fpr + st8 [r31]=r0,8*8 // psr + nop 0 + ;; +} + /* callee_saved */ +{ .mmi + .mem.offset 8,0 + st8.spill [r31]=r4,16 // r4 + .mem.offset 16,0 + st8.spill [r32]=r5,16 // r5 + mov r17=b2 + ;; +} +{ .mmi + .mem.offset 24,0 + st8.spill [r31]=r6,16 // r6 + .mem.offset 32,0 + st8.spill [r32]=r7,16 // r7 + mov r18=b3 + ;; +} +{ .mmi + st8 [r31]=r16,16 // b1 + mov r16=ar.unat + mov r19=b4 + ;; +} +{ .mmi + st8 [r30]=r16 // unat (after) + st8 [r32]=r17,16 // b2 + mov r16=b5 + ;; +} +{ .mmi + st8 [r31]=r18,16 // b3 + st8 [r32]=r19,16 // b4 + mov r17=ar.lc + ;; +} + st8 [r31]=r16,16 // b5 + st8 [r32]=r17,16 // lc + ;; + st8 [r31]=r0,24 // __spare + stf.spill [r32]=f2,32 + ;; + stf.spill [r31]=f3,32 + stf.spill [r32]=f4,32 + ;; + stf.spill [r31]=f5,32 + stf.spill [r32]=f16,32 + ;; + stf.spill [r31]=f17,32 + stf.spill [r32]=f18,32 + ;; + stf.spill [r31]=f19,32 + stf.spill [r32]=f20,32 + ;; + stf.spill [r31]=f21,32 + stf.spill [r32]=f22,32 + ;; + stf.spill [r31]=f23,32 + stf.spill [r32]=f24,32 + ;; + stf.spill [r31]=f25,32 + stf.spill [r32]=f26,32 + ;; + stf.spill [r31]=f27,32 + stf.spill [r32]=f28,32 + ;; +{ .mmi + stf.spill [r31]=f29,32 + stf.spill [r32]=f30 + add r8=0,r0 + ;; +} +{ .mmb + stf.spill [r31]=f31 + mf + br.ret.sptk rp + ;; +} END(_ia64_save_context) |
