/* Copyright Oliver Kowalke 2009. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) */ /******************************************************************* * * * ------------------------------------------------------------- * * | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | * * ------------------------------------------------------------- * * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | * * ------------------------------------------------------------- * * | R13 | R14 | R15 | R16 | R17 | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | * * ------------------------------------------------------------- * * | 40 | 44 | 48 | 52 | 56 | 60 | 64 | 68 | 72 | 76 | * * ------------------------------------------------------------- * * | R18 | R19 | R20 | R21 | R22 | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | * * ------------------------------------------------------------- * * | 80 | 84 | 88 | 92 | 96 | 100 | 104 | 108 | 112 | 116 | * * ------------------------------------------------------------- * * | R23 | R24 | R25 | R26 | R27 | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | * * ------------------------------------------------------------- * * | 120 | 124 | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | * * ------------------------------------------------------------- * * | R28 | R29 | R30 | R31 | SP | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 40 | 41 | 42 | 43 | 44 | 45 | | * * ------------------------------------------------------------- * * | 160 | 164 | 168 | 172 | 176 | 180 | | * * ------------------------------------------------------------- * * | CR | LR | PC | | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 46 | 47 | 48 | 49 | | * * ------------------------------------------------------------- * * | 184 | 188 | 192 | 196 | | * * ------------------------------------------------------------- * * | sp | size | | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | * * ------------------------------------------------------------- * * | 200 | 204 | 208 | 212 | 216 | 220 | 224 | 228 | 232 | 236 | * * ------------------------------------------------------------- * * | F14 | F15 | F16 | F17 | F18 | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | * * ------------------------------------------------------------- * * | 240 | 244 | 248 | 252 | 256 | 260 | 264 | 268 | 272 | 276 | * * ------------------------------------------------------------- * * | F19 | F20 | F21 | F22 | F23 | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | * * ------------------------------------------------------------- * * | 280 | 284 | 288 | 292 | 296 | 300 | 304 | 308 | 312 | 316 | * * ------------------------------------------------------------- * * | F24 | F25 | F26 | F27 | F28 | * * ------------------------------------------------------------- * * ------------------------------------------------------------- * * | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | | * * ------------------------------------------------------------- * * | 320 | 324 | 328 | 332 | 336 | 340 | 344 | 348 | | * * ------------------------------------------------------------- * * | F29 | F30 | F31 | fpscr | | * * ------------------------------------------------------------- * * * * *****************************************************************/ .section ".text" .align 2 .globl jump_fcontext .section ".opd","aw" .align 3 jump_fcontext: .quad .jump_fcontext,.TOC.@tocbase,0 .previous .size jump_fcontext,24 .type .jump_fcontext,@function .globl .jump_fcontext .jump_fcontext: std %r13, 0(%r3) # save R13 std %r14, 8(%r3) # save R14 std %r15, 16(%r3) # save R15 std %r16, 24(%r3) # save R16 std %r17, 32(%r3) # save R17 std %r18, 40(%r3) # save R18 std %r19, 48(%r3) # save R19 std %r20, 56(%r3) # save R20 std %r21, 64(%r3) # save R21 std %r22, 72(%r3) # save R22 std %r23, 80(%r3) # save R23 std %r24, 88(%r3) # save R24 std %r25, 96(%r3) # save R25 std %r26, 104(%r3) # save R26 std %r27, 112(%r3) # save R27 std %r28, 120(%r3) # save R28 std %r29, 128(%r3) # save R29 std %r30, 136(%r3) # save R30 std %r31, 144(%r3) # save R31 std %r1, 152(%r3) # save SP mfcr %r0 # load CR std %r0, 160(%r3) # save CR mflr %r0 # load LR std %r0, 168(%r3) # save LR std %r0, 176(%r3) # save LR as PC cmpwi cr7, %r6, 0 # test if fpu env should be preserved beq cr7, 1f stfd %f14, 200(%r3) # save F14 stfd %f15, 208(%r3) # save F15 stfd %f16, 216(%r3) # save F16 stfd %f17, 224(%r3) # save F17 stfd %f18, 232(%r3) # save F18 stfd %f19, 240(%r3) # save F19 stfd %f20, 248(%r3) # save F20 stfd %f21, 256(%r3) # save F21 stfd %f22, 264(%r3) # save F22 stfd %f23, 272(%r3) # save F23 stfd %f24, 280(%r3) # save F24 stfd %f25, 288(%r3) # save F25 stfd %f26, 296(%r3) # save F26 stfd %f27, 304(%r3) # save F27 stfd %f28, 312(%r3) # save F28 stfd %f29, 320(%r3) # save F29 stfd %f30, 328(%r3) # save F30 stfd %f31, 336(%r3) # save F31 mffs %f0 # load FPSCR stfd %f0, 344(%r3) # save FPSCR lfd %f14, 200(%r4) # restore F14 lfd %f15, 208(%r4) # restore F15 lfd %f16, 216(%r4) # restore F16 lfd %f17, 224(%r4) # restore F17 lfd %f18, 232(%r4) # restore F18 lfd %f19, 240(%r4) # restore F19 lfd %f20, 248(%r4) # restore F20 lfd %f21, 256(%r4) # restore F21 lfd %f22, 264(%r4) # restore F22 lfd %f23, 272(%r4) # restore F23 lfd %f24, 280(%r4) # restore F24 lfd %f25, 288(%r4) # restore F25 lfd %f26, 296(%r4) # restore F26 lfd %f27, 304(%r4) # restore F27 lfd %f28, 312(%r4) # restore F28 lfd %f29, 320(%r4) # restore F29 lfd %f30, 328(%r4) # restore F30 lfd %f31, 336(%r4) # restore F31 lfd %f0, 344(%r4) # load FPSCR mtfsf 0xff, %f0 # restore FPSCR 1: ld %r13, 0(%r4) # restore R13 ld %r14, 8(%r4) # restore R14 ld %r15, 16(%r4) # restore R15 ld %r16, 24(%r4) # restore R16 ld %r17, 32(%r4) # restore R17 ld %r18, 40(%r4) # restore R18 ld %r19, 48(%r4) # restore R19 ld %r20, 56(%r4) # restore R20 ld %r21, 64(%r4) # restore R21 ld %r22, 72(%r4) # restore R22 ld %r23, 80(%r4) # restore R23 ld %r24, 88(%r4) # restore R24 ld %r25, 96(%r4) # restore R25 ld %r26, 104(%r4) # restore R26 ld %r27, 112(%r4) # restore R27 ld %r28, 120(%r4) # restore R28 ld %r29, 128(%r4) # restore R29 ld %r30, 136(%r4) # restore r30 ld %r31, 144(%r4) # restore r31 ld %r1, 152(%r4) # restore SP ld %r0, 160(%r4) # load CR mtcr %r0 # restore CR ld %r0, 168(%r4) # load LR mtlr %r0 # restore LR mr %r3, %r5 # use third arg as return value after jump # and as first arg in context function ld %r0, 176(%r4) # load PC mtctr %r0 # restore CTR bctr # jump to context .size .jump_fcontext, .-.jump_fcontext