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| author | Kai Backman <kaib@golang.org> | 2009-11-11 23:23:11 -0800 |
|---|---|---|
| committer | Kai Backman <kaib@golang.org> | 2009-11-11 23:23:11 -0800 |
| commit | 6dbd1429518bf39bc6c92028f78094f384348653 (patch) | |
| tree | f096233d237255bfcd5cd3f81c47af9a039d1554 | |
| parent | e5636d6e276089f840a282e3ed8ddf77188e6439 (diff) | |
| download | go-6dbd1429518bf39bc6c92028f78094f384348653.tar.gz go-6dbd1429518bf39bc6c92028f78094f384348653.zip | |
add cache flushing call after generating closure.
go/test: passes 88% (306/347)
R=rsc
https://golang.org/cl/152089
| -rw-r--r-- | src/pkg/runtime/arm/closure.c | 4 | ||||
| -rw-r--r-- | src/pkg/runtime/linux/arm/sys.s | 11 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/pkg/runtime/arm/closure.c b/src/pkg/runtime/arm/closure.c index b0aa2ad8b0..f36e812cbb 100644 --- a/src/pkg/runtime/arm/closure.c +++ b/src/pkg/runtime/arm/closure.c @@ -43,6 +43,8 @@ vars: WORD arg0 WORD arg2 */ +extern void cacheflush(byte* start, byte* end); + #pragma textflag 7 void runtime·closure(int32 siz, byte *fn, byte *arg0) @@ -121,5 +123,7 @@ runtime·closure(int32 siz, byte *fn, byte *arg0) if(p > q) throw("bad math in sys.closure"); + + cacheflush(*ret, q+siz); } diff --git a/src/pkg/runtime/linux/arm/sys.s b/src/pkg/runtime/linux/arm/sys.s index 00472ef79c..f11646d5b4 100644 --- a/src/pkg/runtime/linux/arm/sys.s +++ b/src/pkg/runtime/linux/arm/sys.s @@ -22,6 +22,9 @@ #define SYS_futex (SYS_BASE + 240) #define SYS_exit_group (SYS_BASE + 248) +#define ARM_BASE (SYS_BASE + 0x0f0000) +#define SYS_ARM_cacheflush (ARM_BASE + 2) + TEXT write(SB),7,$0 MOVW 0(FP), R0 MOVW 4(FP), R1 @@ -136,3 +139,11 @@ TEXT clone(SB),7,$0 MOVW R0, (R1) +TEXT cacheflush(SB),7,$0 + MOVW 0(FP), R0 + MOVW 4(FP), R1 + MOVW $0, R2 + MOVW $SYS_ARM_cacheflush, R7 + SWI $0 + RET + |