+/*
+ 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 | *
+ * ------------------------------------------------- *
+ * | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | *
+ * ------------------------------------------------- *
+ * | F14 | F15 | F16 | F17 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | *
+ * ------------------------------------------------- *
+ * | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 | *
+ * ------------------------------------------------- *
+ * | F18 | F19 | F20 | F21 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | *
+ * ------------------------------------------------- *
+ * | 64 | 68 | 72 | 76 | 80 | 84 | 88 | 92 | *
+ * ------------------------------------------------- *
+ * | F22 | F23 | F24 | F25 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | *
+ * ------------------------------------------------- *
+ * | 96 | 100 | 104 | 108 | 112 | 116 | 120 | 124 | *
+ * ------------------------------------------------- *
+ * | F26 | F27 | F28 | F29 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | *
+ * ------------------------------------------------- *
+ * | 128 | 132 | 136 | 140 | 144 | 148 | 152 | 156 | *
+ * ------------------------------------------------- *
+ * | F30 | F31 | fpscr | R13 | R14 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | *
+ * ------------------------------------------------- *
+ * | 160 | 164 | 168 | 172 | 176 | 180 | 184 | 188 | *
+ * ------------------------------------------------- *
+ * | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | *
+ * ------------------------------------------------- *
+ * | 192 | 196 | 200 | 204 | 208 | 212 | 216 | 220 | *
+ * ------------------------------------------------- *
+ * | R23 | R24 | R25 | R26 | R27 | R28 | R29 | R30 | *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | *
+ * ------------------------------------------------- *
+ * | 224 | 228 | 232 | 236 | 240 | 244 | 248 | 252 | *
+ * ------------------------------------------------- *
+ * | R31 |hiddn| CR | LR | PC |bchai|linkr| FCTX| *
+ * ------------------------------------------------- *
+ * ------------------------------------------------- *
+ * | 64 | | *
+ * ------------------------------------------------- *
+ * | 256 | | *
+ * ------------------------------------------------- *
+ * | DATA| | *
+ * ------------------------------------------------- *
+ * *
+ *******************************************************/
.globl .jump_fcontext
.globl jump_fcontext[DS]
.align 2
.long .jump_fcontext
.jump_fcontext:
# reserve space on stack
- subi 1, 1, 92
+ subi r1, r1, 244
+
+ stfd f14, 0(r1) # save F14
+ stfd f15, 8(r1) # save F15
+ stfd f16, 16(r1) # save F16
+ stfd f17, 24(r1) # save F17
+ stfd f18, 32(r1) # save F18
+ stfd f19, 40(r1) # save F19
+ stfd f20, 48(r1) # save F20
+ stfd f21, 56(r1) # save F21
+ stfd f22, 64(r1) # save F22
+ stfd f23, 72(r1) # save F23
+ stfd f24, 80(r1) # save F24
+ stfd f25, 88(r1) # save F25
+ stfd f26, 96(r1) # save F26
+ stfd f27, 104(r1) # save F27
+ stfd f28, 112(r1) # save F28
+ stfd f29, 120(r1) # save F29
+ stfd f30, 128(r1) # save F30
+ stfd f31, 136(r1) # save F31
+ mffs f0 # load FPSCR
+ stfd f0, 144(r1) # save FPSCR
- stw 13, 0(1) # save R13
- stw 14, 4(1) # save R14
- stw 15, 8(1) # save R15
- stw 16, 12(1) # save R16
- stw 17, 16(1) # save R17
- stw 18, 20(1) # save R18
- stw 19, 24(1) # save R19
- stw 20, 28(1) # save R20
- stw 21, 32(1) # save R21
- stw 22, 36(1) # save R22
- stw 23, 40(1) # save R23
- stw 24, 44(1) # save R24
- stw 25, 48(1) # save R25
- stw 26, 52(1) # save R26
- stw 27, 56(1) # save R27
- stw 28, 60(1) # save R28
- stw 29, 64(1) # save R29
- stw 30, 68(1) # save R30
- stw 31, 72(1) # save R31
- stw 3, 76(1) # save hidden
+ stw r13, 152(r1) # save R13
+ stw r14, 156(r1) # save R14
+ stw r15, 160(r1) # save R15
+ stw r16, 164(r1) # save R16
+ stw r17, 168(r1) # save R17
+ stw r18, 172(r1) # save R18
+ stw r19, 176(r1) # save R19
+ stw r20, 180(r1) # save R20
+ stw r21, 184(r1) # save R21
+ stw r22, 188(r1) # save R22
+ stw r23, 192(r1) # save R23
+ stw r24, 196(r1) # save R24
+ stw r25, 200(r1) # save R25
+ stw r26, 204(r1) # save R26
+ stw r27, 208(r1) # save R27
+ stw r28, 212(r1) # save R28
+ stw r29, 216(r1) # save R29
+ stw r30, 220(r1) # save R30
+ stw r31, 224(r1) # save R31
+ stw r3, 228(r1) # save hidden
# save CR
- mfcr 0
- stw 0, 80(1)
+ mfcr r0
+ stw r0, 232(r1)
# save LR
- mflr 0
- stw 0, 84(1)
+ mflr r0
+ stw r0, 236(r1)
# save LR as PC
- stw 0, 88(1)
+ stw r0, 240(r1)
# store RSP (pointing to context-data) in R6
- mr 6, 1
+ mr r6, r1
# restore RSP (pointing to context-data) from R4
- mr 1, 4
+ mr r1, r4
- lwz 13, 0(1) # restore R13
- lwz 14, 4(1) # restore R14
- lwz 15, 8(1) # restore R15
- lwz 16, 12(1) # restore R16
- lwz 17, 16(1) # restore R17
- lwz 18, 20(1) # restore R18
- lwz 19, 24(1) # restore R19
- lwz 20, 28(1) # restore R20
- lwz 21, 32(1) # restore R21
- lwz 22, 36(1) # restore R22
- lwz 23, 40(1) # restore R23
- lwz 24, 44(1) # restore R24
- lwz 25, 48(1) # restore R25
- lwz 26, 52(1) # restore R26
- lwz 27, 56(1) # restore R27
- lwz 28, 60(1) # restore R28
- lwz 29, 64(1) # restore R29
- lwz 30, 68(1) # restore R30
- lwz 31, 72(1) # restore R31
- lwz 3, 76(1) # restore hidden
+ lfd f14, 0(r1) # restore F14
+ lfd f15, 8(r1) # restore F15
+ lfd f16, 16(r1) # restore F16
+ lfd f17, 24(r1) # restore F17
+ lfd f18, 32(r1) # restore F18
+ lfd f19, 40(r1) # restore F19
+ lfd f20, 48(r1) # restore F20
+ lfd f21, 56(r1) # restore F21
+ lfd f22, 64(r1) # restore F22
+ lfd f23, 72(r1) # restore F23
+ lfd f24, 80(r1) # restore F24
+ lfd f25, 88(r1) # restore F25
+ lfd f26, 96(r1) # restore F26
+ lfd f27, 104(r1) # restore F27
+ lfd f28, 112(r1) # restore F28
+ lfd f29, 120(r1) # restore F29
+ lfd f30, 128(r1) # restore F30
+ lfd f31, 136(r1) # restore F31
+ lfd f0, 144(r1) # load FPSCR
+ mtfsf 0xff, f0 # restore FPSCR
+
+ lwz r13, 152(r1) # restore R13
+ lwz r14, 156(r1) # restore R14
+ lwz r15, 160(r1) # restore R15
+ lwz r16, 164(r1) # restore R16
+ lwz r17, 168(r1) # restore R17
+ lwz r18, 172(r1) # restore R18
+ lwz r19, 176(r1) # restore R19
+ lwz r20, 180(r1) # restore R20
+ lwz r21, 184(r1) # restore R21
+ lwz r22, 188(r1) # restore R22
+ lwz r23, 192(r1) # restore R23
+ lwz r24, 196(r1) # restore R24
+ lwz r25, 200(r1) # restore R25
+ lwz r26, 204(r1) # restore R26
+ lwz r27, 208(r1) # restore R27
+ lwz r28, 212(r1) # restore R28
+ lwz r29, 216(r1) # restore R29
+ lwz r30, 220(r1) # restore R30
+ lwz r31, 224(r1) # restore R31
+ lwz r3, 228(r1) # restore hidden
# restore CR
- lwz 0, 80(1)
- mtcr 0
+ lwz r0, 232(r1)
+ mtcr r0
# restore LR
- lwz 0, 84(1)
- mtlr 0
-
+ lwz r0, 236(r1)
+ mtlr r0
# load PC
- lwz 0, 88(1)
+ lwz r0, 240(r1)
# restore CTR
- mtctr 0
+ mtctr r0
# adjust stack
- addi 1, 1, 92
+ addi r1, r1, 244
# return transfer_t
- stw 6, 0(3)
- stw 5, 4(3)
+ stw r6, 0(r3)
+ stw r5, 4(r3)
# jump to context
bctr