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| author | Quey-Liang Kao <s101062801@m101.nthu.edu.tw> | 2020-04-15 13:23:52 +0000 |
|---|---|---|
| committer | Joel Sing <joel@sing.id.au> | 2020-04-16 05:29:18 +0000 |
| commit | b89f4c67200e6128e1dc936a9362b07900c2af3e (patch) | |
| tree | 963a6f9296dbfb77df256a28bfa6176bd6a039c1 /src/runtime/preempt_riscv64.s | |
| parent | ab3bd2c15fb5f58f9d41feaa65a42579aca91fdc (diff) | |
| download | go-b89f4c67200e6128e1dc936a9362b07900c2af3e.tar.gz go-b89f4c67200e6128e1dc936a9362b07900c2af3e.zip | |
runtime: add async preemption support on riscv64
This CL adds support of call injection and async preemption on
riscv64. We also clobbered REG_TMP for the injected call. Unsafe
points related to REG_TMP access have been marked in previous commits.
Fixes #36711.
Change-Id: I1a1df5b7fc23eaafc34a6a6448fcc3c91054496e
GitHub-Last-Rev: f6110d470713be70d960fd3e984fea89bb371719
GitHub-Pull-Request: golang/go#38146
Reviewed-on: https://go-review.googlesource.com/c/go/+/226206
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Diffstat (limited to 'src/runtime/preempt_riscv64.s')
| -rw-r--r-- | src/runtime/preempt_riscv64.s | 127 |
1 files changed, 125 insertions, 2 deletions
diff --git a/src/runtime/preempt_riscv64.s b/src/runtime/preempt_riscv64.s index 80c0636c7a..0338c22a94 100644 --- a/src/runtime/preempt_riscv64.s +++ b/src/runtime/preempt_riscv64.s @@ -4,5 +4,128 @@ #include "textflag.h" TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0 - // No async preemption on riscv64 - see issue 36711 - UNDEF + MOV X1, -480(X2) + ADD $-480, X2 + MOV X3, 8(X2) + MOV X5, 16(X2) + MOV X6, 24(X2) + MOV X7, 32(X2) + MOV X8, 40(X2) + MOV X9, 48(X2) + MOV X10, 56(X2) + MOV X11, 64(X2) + MOV X12, 72(X2) + MOV X13, 80(X2) + MOV X14, 88(X2) + MOV X15, 96(X2) + MOV X16, 104(X2) + MOV X17, 112(X2) + MOV X18, 120(X2) + MOV X19, 128(X2) + MOV X20, 136(X2) + MOV X21, 144(X2) + MOV X22, 152(X2) + MOV X23, 160(X2) + MOV X24, 168(X2) + MOV X25, 176(X2) + MOV X26, 184(X2) + MOV X27, 192(X2) + MOV X28, 200(X2) + MOV X29, 208(X2) + MOV X30, 216(X2) + MOVD F0, 224(X2) + MOVD F1, 232(X2) + MOVD F2, 240(X2) + MOVD F3, 248(X2) + MOVD F4, 256(X2) + MOVD F5, 264(X2) + MOVD F6, 272(X2) + MOVD F7, 280(X2) + MOVD F8, 288(X2) + MOVD F9, 296(X2) + MOVD F10, 304(X2) + MOVD F11, 312(X2) + MOVD F12, 320(X2) + MOVD F13, 328(X2) + MOVD F14, 336(X2) + MOVD F15, 344(X2) + MOVD F16, 352(X2) + MOVD F17, 360(X2) + MOVD F18, 368(X2) + MOVD F19, 376(X2) + MOVD F20, 384(X2) + MOVD F21, 392(X2) + MOVD F22, 400(X2) + MOVD F23, 408(X2) + MOVD F24, 416(X2) + MOVD F25, 424(X2) + MOVD F26, 432(X2) + MOVD F27, 440(X2) + MOVD F28, 448(X2) + MOVD F29, 456(X2) + MOVD F30, 464(X2) + MOVD F31, 472(X2) + CALL ·asyncPreempt2(SB) + MOVD 472(X2), F31 + MOVD 464(X2), F30 + MOVD 456(X2), F29 + MOVD 448(X2), F28 + MOVD 440(X2), F27 + MOVD 432(X2), F26 + MOVD 424(X2), F25 + MOVD 416(X2), F24 + MOVD 408(X2), F23 + MOVD 400(X2), F22 + MOVD 392(X2), F21 + MOVD 384(X2), F20 + MOVD 376(X2), F19 + MOVD 368(X2), F18 + MOVD 360(X2), F17 + MOVD 352(X2), F16 + MOVD 344(X2), F15 + MOVD 336(X2), F14 + MOVD 328(X2), F13 + MOVD 320(X2), F12 + MOVD 312(X2), F11 + MOVD 304(X2), F10 + MOVD 296(X2), F9 + MOVD 288(X2), F8 + MOVD 280(X2), F7 + MOVD 272(X2), F6 + MOVD 264(X2), F5 + MOVD 256(X2), F4 + MOVD 248(X2), F3 + MOVD 240(X2), F2 + MOVD 232(X2), F1 + MOVD 224(X2), F0 + MOV 216(X2), X30 + MOV 208(X2), X29 + MOV 200(X2), X28 + MOV 192(X2), X27 + MOV 184(X2), X26 + MOV 176(X2), X25 + MOV 168(X2), X24 + MOV 160(X2), X23 + MOV 152(X2), X22 + MOV 144(X2), X21 + MOV 136(X2), X20 + MOV 128(X2), X19 + MOV 120(X2), X18 + MOV 112(X2), X17 + MOV 104(X2), X16 + MOV 96(X2), X15 + MOV 88(X2), X14 + MOV 80(X2), X13 + MOV 72(X2), X12 + MOV 64(X2), X11 + MOV 56(X2), X10 + MOV 48(X2), X9 + MOV 40(X2), X8 + MOV 32(X2), X7 + MOV 24(X2), X6 + MOV 16(X2), X5 + MOV 8(X2), X3 + MOV 480(X2), X1 + MOV (X2), X31 + ADD $488, X2 + JMP (X31) |