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-rw-r--r--sys/contrib/ia64/libuwx/src/uwx_self_context.s383
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diff --git a/sys/contrib/ia64/libuwx/src/uwx_self_context.s b/sys/contrib/ia64/libuwx/src/uwx_self_context.s
deleted file mode 100644
index e2986eb..0000000
--- a/sys/contrib/ia64/libuwx/src/uwx_self_context.s
+++ /dev/null
@@ -1,383 +0,0 @@
-// Copyright (c) 2003-2006 Hewlett-Packard Development Company, L.P.
-// Permission is hereby granted, free of charge, to any person
-// obtaining a copy of this software and associated documentation
-// files (the "Software"), to deal in the Software without
-// restriction, including without limitation the rights to use,
-// copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following
-// conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-// OTHER DEALINGS IN THE SOFTWARE.
-
-#ifdef _LP64
-#define SWIZZLE add
-#define STPTR st8
-#else
-#define SWIZZLE addp4
-#define STPTR st4
-#endif
-
-rRP = r14
-rPFS = r15
-rUNAT = r16
-rRNAT = r17
-rENV0 = r18
-rENV1 = r19
-rENV2 = r20
-rNSLOT = r21
-rBSP = r22
-rPBSP = r23
-rRSC = r24
-rNATP = r25
-rBIAS = r26
-rRSC0 = r27
-rTMP1 = r28
-rTMP2 = r29
-rTMP3 = r30
-rTMP4 = r31
-rTMP5 = r8
-rMYPFS = r9
-rPSP = r10
-
-VALID_IP = 1
-VALID_SP = 1 << 1
-VALID_BSP = 1 << 2
-VALID_CFM = 1 << 3
-VALID_PREDS = 1 << 7
-VALID_PRIUNAT = 1 << 8
-VALID_RNAT = 1 << 10
-VALID_UNAT = 1 << 11
-VALID_FPSR = 1 << 12
-VALID_LC = 1 << 13
-VALID_GRS = 0xf << 16
-VALID_BRS = 0x1f << 20
-VALID_BASIC4 = VALID_IP | VALID_SP | VALID_BSP | VALID_CFM
-VALID_SPEC = VALID_PREDS | VALID_PRIUNAT | VALID_RNAT | VALID_UNAT | VALID_FPSR | VALID_LC
-VALID_REGS = VALID_BASIC4 | VALID_SPEC | VALID_GRS | VALID_BRS
-VALID_FRS = 0xfffff
-// valid_regs and valid_frs are separate unsigned int fields.
-// In order to store them with a single st8, we need to know
-// the endianness.
-#ifdef __LITTLE_ENDIAN__
-VALID_BITS = (VALID_FRS << 32) | VALID_REGS
-#else
-VALID_BITS = (VALID_REGS << 32) | VALID_FRS
-#endif
-
- .text
-
-// int uwx_self_init_context(struct uwx_env *env);
-//
-// Stores a snapshot of the caller's context in the uwx_env structure.
-
- .proc uwx_self_init_context
- .global uwx_self_init_context
-uwx_self_init_context:
- .prologue
- alloc rPFS = ar.pfs, 1, 0, 0, 0
- mov rUNAT = ar.unat
- .body
- SWIZZLE rENV0 = r0, r32 // rENV0 = &env
- ;;
- flushrs
- extr.u rNSLOT = rPFS, 7, 7 // nslots = pfs.sol
- mov rRP = b0
- ;;
- mov rRSC = ar.rsc
- add rENV1 = 136, rENV0 // rENV1 = &env->context.gr[0]
- add rENV2 = 144, rENV0 // rENV2 = &env->context.gr[1]
- ;;
- and rRSC0 = -4, rRSC // clear ar.rsc.mode
- adds rNATP = 0x1f8, r0
- mov rTMP1 = b1
- ;;
- st8.spill [rENV1] = r4, 16 // env+136: r4
- st8.spill [rENV2] = r5, 16 // env+144: r5
- mov rTMP2 = b2
- ;;
- st8.spill [rENV1] = r6, 16 // env+152: r6
- st8.spill [rENV2] = r7, 16 // env+160: r7
- mov rTMP3 = b3
- ;;
- st8 [rENV1] = rTMP1, 16 // env+168: b1
- st8 [rENV2] = rTMP2, 16 // env+176: b2
- mov rTMP1 = b4
- ;;
- st8 [rENV1] = rTMP3, 16 // env+184: b3
- st8 [rENV2] = rTMP1, 16 // env+192: b4
- mov rTMP2 = b5
- ;;
- st8 [rENV1] = rTMP2 // env+200: b5
- mov ar.rsc = rRSC0 // enforced lazy mode
- add rENV1 = 8, rENV0
- ;;
- mov rRNAT = ar.rnat // get copy of ar.rnat
- movl rTMP1 = VALID_BITS // valid_regs: ip, sp, bsp, cfm,
- // preds, priunat, rnat, unat, fpsr,
- // lc, grs, brs
- // = 0x1ff3d8f00000000
- ;;
- mov ar.rsc = rRSC // restore ar.rsc
- mov rBSP = ar.bsp
- add rTMP3 = 136, rENV0 // spill_loc = &env->context.gr[0]
- ;;
- mov rTMP2 = ar.unat
- nop
- extr.u rTMP3 = rTMP3, 3, 6 // bitpos = spill_loc{8:3}
- ;;
- and rBIAS = rBSP, rNATP // bias = (bsp & 0x1f8) ...
- sub rTMP4 = 64, rTMP3 // (64 - bitpos)
- shr rTMP5 = rTMP2, rTMP3 // (unat >> bitpos)
- ;;
- nop
- extr.u rBIAS = rBIAS, 3, 6 // ... div 8
- shl rTMP2 = rTMP2, rTMP4 // (unat << (64 - bitpos))
- ;;
- or rTMP2 = rTMP2, rTMP5 // rotate_right(unat, bitpos)
- nop
- mov rTMP4 = pr
- ;;
- st8 [rENV0] = rTMP1, 16 // env+0: valid_regs mask
- st8 [rENV1] = rRP, 24 // env+8: ip (my rp)
- sub rBIAS = rNSLOT, rBIAS // bias = nslots - bias
- ;;
- cmp.lt p6, p0 = 0, rBIAS // if (0 < bias) ...
- cmp.lt p7, p0 = 63, rBIAS // if (63 < bias) ...
- ;;
- st8 [rENV0] = r12, 48 // env+16: sp
- st8 [rENV1] = rPFS, 40 // env+32: cfm (my pfs)
-(p6) add rNSLOT = 1, rNSLOT // ... nslots++
- ;;
- st8 [rENV0] = rTMP4, 24 // env+64: preds
- st8 [rENV1] = rTMP2, 24 // env+72: priunat
-(p7) add rNSLOT = 1, rNSLOT // ... nslots++
- ;;
- st8 [rENV0] = rRNAT, -64 // env+88: ar.rnat
- st8 [rENV1] = rUNAT, 8 // env+96: ar.unat
- dep.z rTMP3 = rNSLOT, 3, 7 // (nslots << 3)
- ;;
- sub rPBSP = rBSP, rTMP3 // prev_bsp = bsp - (nslots << 3)
- mov rTMP3 = ar.fpsr
- mov rTMP1 = ar.lc
- ;;
- st8 [rENV0] = rPBSP, 184 // env+24: bsp (my prev bsp)
- st8 [rENV1] = rTMP3, 8 // env+104: ar.fpsr
- add rENV2 = 320, rENV2 // rENV2 = &env->context.rstate
- ;;
- st8 [rENV1] = rTMP1, 112 // env+112: ar.lc
- STPTR [rENV2] = r0 // env+528: env->rstate = 0
- nop
- ;;
- // THIS CODE NEEDS TO BE SCHEDULED!!!
- stf.spill [rENV0] = f2, 32 // env+208: f2
- stf.spill [rENV1] = f3, 32 // env+224: f3
- ;;
- stf.spill [rENV0] = f4, 32 // env+240: f4
- stf.spill [rENV1] = f5, 32 // env+256: f5
- ;;
- stf.spill [rENV0] = f16, 32 // env+272: f16
- stf.spill [rENV1] = f17, 32 // env+288: f17
- ;;
- stf.spill [rENV0] = f18, 32 // env+304: f16
- stf.spill [rENV1] = f19, 32 // env+320: f17
- ;;
- stf.spill [rENV0] = f20, 32 // env+336: f16
- stf.spill [rENV1] = f21, 32 // env+352: f17
- ;;
- stf.spill [rENV0] = f22, 32 // env+368: f16
- stf.spill [rENV1] = f23, 32 // env+384: f17
- ;;
- stf.spill [rENV0] = f24, 32 // env+400: f16
- stf.spill [rENV1] = f25, 32 // env+416: f17
- ;;
- stf.spill [rENV0] = f26, 32 // env+432: f16
- stf.spill [rENV1] = f27, 32 // env+448: f17
- ;;
- stf.spill [rENV0] = f28, 32 // env+464: f16
- stf.spill [rENV1] = f29, 32 // env+480: f17
- ;;
- stf.spill [rENV0] = f30, 32 // env+496: f16
- stf.spill [rENV1] = f31, 32 // env+512: f17
- ;;
- mov ar.unat = rUNAT
- mov ret0 = r0 // return UWX_OK
- br.ret.sptk b0
- .endp
-
-// uwx_self_install_context(
-// struct uwx_env *env,
-// uint64_t r15,
-// uint64_t r16,
-// uint64_t r17,
-// uint64_t r18,
-// uint64_t ret
-// );
-//
-// Installs the given context, and sets the landing pad binding
-// registers r15-r18 to the values given.
-// Returns the value "ret" to the new context (for testing --
-// when transferring to a landing pad, the new context won't
-// care about the return value).
-
- .proc uwx_self_install_context
- .global uwx_self_install_context
-uwx_self_install_context:
- .prologue
- alloc rMYPFS = ar.pfs, 6, 0, 0, 0
- .body
- SWIZZLE rENV0 = r0, r32 // rENV0 = &env
- ;;
-
- // THIS CODE NEEDS TO BE SCHEDULED!!!
-
- // Restore GR 4-7 and ar.unat
- add rENV1 = 136, rENV0 // &env->context.gr[0]
- add rENV2 = 72, rENV0 // &env->context.priunat
- ;;
- ld8 rTMP2 = [rENV2], 24 // env+72: priunat
- extr.u rTMP3 = rENV1, 3, 6 // bitpos = spill_loc{8:3}
- ;;
- ld8 rUNAT = [rENV2], 48 // env+96: ar.unat
- sub rTMP4 = 64, rTMP3 // (64 - bitpos)
- shl rTMP5 = rTMP2, rTMP3 // (unat << bitpos)
- ;;
- shr rTMP2 = rTMP2, rTMP4 // (unat >> (64 - bitpos))
- ;;
- or rTMP2 = rTMP2, rTMP5 // rotate_left(unat, bitpos)
- ;;
- mov ar.unat = rTMP2 // put priunat in place
- ;;
- ld8.fill r4 = [rENV1], 16 // env+136: r4
- ld8.fill r5 = [rENV2], 16 // env+144: r5
- ;;
- ld8.fill r6 = [rENV1], 16 // env+152: r6
- ld8.fill r7 = [rENV2], 16 // env+160: r7
- ;;
- mov ar.unat = rUNAT // restore real ar.unat
-
- // Restore BR 1-5
- ld8 rTMP1 = [rENV1], 16 // env+168: b1
- ld8 rTMP2 = [rENV2], 16 // env+176: b2
- ;;
- ld8 rTMP3 = [rENV1], 16 // env+184: b3
- ld8 rTMP4 = [rENV2], -168 // env+192: b4
- mov b1 = rTMP1
- ;;
- ld8 rTMP1 = [rENV1], -168 // env+200: b5
- mov b2 = rTMP2
- mov b3 = rTMP3
- mov b4 = rTMP4
- ;;
- mov b5 = rTMP1
-
- // Restore ar.bsp, ar.pfs, and ar.rnat
- ld8 rPFS = [rENV1], 56 // env+32: cfm (+saved ar.ec)
- mov rRSC = ar.rsc
- adds rBIAS = 0x1f8, r0
- ;;
- flushrs
- ld8 rRNAT = [rENV1], -24 // env+88: ar.rnat
- ld8 rPBSP = [rENV2], 88 // env+24: prev_bsp
- and rRSC0 = -4, rRSC // clear ar.rsc.mode
- ;;
- mov ar.rsc = rRSC0 // enforced lazy mode
- extr.u rNSLOT = rPFS, 7, 7 // nslots = pfs.sol
- ;;
- invala
- and rBIAS = rPBSP, rBIAS // bias = prev_bsp & 0x1f8 ...
- ;;
- extr.u rBIAS = rBIAS, 3, 6 // ... div 8
- ;;
- add rBIAS = rNSLOT, rBIAS // bias += nslots
- ;;
- cmp.lt p6, p0 = 63, rBIAS // if (63 < bias) ...
- cmp.lt p7, p0 = 126, rBIAS // if (126 < bias) ...
- ;;
-(p6) add rNSLOT = 1, rNSLOT // ... nslots++
- ;;
-(p7) add rNSLOT = 1, rNSLOT // ... nslots++
- ;;
- dep.z rTMP3 = rNSLOT, 3, 7 // (nslots << 3)
- ;;
- add rBSP = rPBSP, rTMP3 // bsp = prev_bsp + (nslots << 3)
- ;;
- mov ar.bspstore = rBSP // restore ar.bsp
- ;;
- mov ar.rnat = rRNAT // restore ar.rnat
- mov ar.pfs = rPFS // restore ar.pfs
- ;;
- mov ar.rsc = rRSC // restore ar.rsc
-
- // Restore preds and ar.lc
- ld8 rTMP1 = [rENV1], -56 // env+64: preds
- ld8 rTMP2 = [rENV2], -96 // env+112: ar.lc
- ;;
- mov pr = rTMP1
- mov ar.lc = rTMP2
-
- // Get previous sp and ip
- ld8 rRP = [rENV1], 96 // env+8: ip (my rp)
- ld8 rPSP = [rENV2], 112 // env+16: sp
- ;;
-
- // Restore ar.fpsr and gp
- ld8 rTMP1 = [rENV1], 104 // env+104: ar.fpsr
- ld8 r1 = [rENV2], 96 // env+128: gp
- ;;
- mov ar.fpsr = rTMP1 // restore ar.fpsr
-
- // Restore FR 2-5 and 16-31
- ldf.fill f2 = [rENV1], 32 // env+208: f2
- ldf.fill f3 = [rENV2], 32 // env+224: f3
- ;;
- ldf.fill f4 = [rENV1], 32 // env+240: f4
- ldf.fill f5 = [rENV2], 32 // env+256: f5
- ;;
- ldf.fill f16 = [rENV1], 32 // env+272: f16
- ldf.fill f17 = [rENV2], 32 // env+288: f17
- ;;
- ldf.fill f18 = [rENV1], 32 // env+304: f16
- ldf.fill f19 = [rENV2], 32 // env+320: f17
- ;;
- ldf.fill f20 = [rENV1], 32 // env+336: f16
- ldf.fill f21 = [rENV2], 32 // env+352: f17
- ;;
- ldf.fill f22 = [rENV1], 32 // env+368: f16
- ldf.fill f23 = [rENV2], 32 // env+384: f17
- ;;
- ldf.fill f24 = [rENV1], 32 // env+400: f16
- ldf.fill f25 = [rENV2], 32 // env+416: f17
- ;;
- ldf.fill f26 = [rENV1], 32 // env+432: f16
- ldf.fill f27 = [rENV2], 32 // env+448: f17
- ;;
- ldf.fill f28 = [rENV1], 32 // env+464: f16
- ldf.fill f29 = [rENV2], 32 // env+480: f17
- ;;
- ldf.fill f30 = [rENV1], 32 // env+496: f16
- ldf.fill f31 = [rENV2], 32 // env+512: f17
-
- // Set landing pad parameter registers
- mov r15 = r33
- mov r16 = r34
- mov r17 = r35
- mov r18 = r36
-
- // Restore previous sp and Return
- mov ret0 = r37
- mov sp = rPSP
- mov b0 = rRP
- br.ret.sptk b0
-
- .endp
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