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authorPaul Mackerras <paulus@samba.org>2008-06-30 10:16:50 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-30 10:16:50 +1000
commite9a4b6a3f6592862a67837e80aad3f50468857a6 (patch)
tree087420cf91ac922c7e99757c4490a605ec7b10f2 /arch/powerpc/platforms/cell/spufs/run.c
parent441dbb500b4344a8e3125e5aabab4f9dbf72514f (diff)
parent1702b52092e9a6d05398d3f9581ddc050ef00d06 (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/run.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/run.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index b7493b86581..f7edba6cb79 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -27,7 +27,6 @@ void spufs_stop_callback(struct spu *spu, int irq)
switch(irq) {
case 0 :
ctx->csa.class_0_pending = spu->class_0_pending;
- ctx->csa.class_0_dsisr = spu->class_0_dsisr;
ctx->csa.class_0_dar = spu->class_0_dar;
break;
case 1 :
@@ -51,18 +50,22 @@ int spu_stopped(struct spu_context *ctx, u32 *stat)
u64 dsisr;
u32 stopped;
- *stat = ctx->ops->status_read(ctx);
-
- if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags))
- return 1;
-
stopped = SPU_STATUS_INVALID_INSTR | SPU_STATUS_SINGLE_STEP |
SPU_STATUS_STOPPED_BY_HALT | SPU_STATUS_STOPPED_BY_STOP;
- if (!(*stat & SPU_STATUS_RUNNING) && (*stat & stopped))
+
+top:
+ *stat = ctx->ops->status_read(ctx);
+ if (*stat & stopped) {
+ /*
+ * If the spu hasn't finished stopping, we need to
+ * re-read the register to get the stopped value.
+ */
+ if (*stat & SPU_STATUS_RUNNING)
+ goto top;
return 1;
+ }
- dsisr = ctx->csa.class_0_dsisr;
- if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED))
+ if (test_bit(SPU_SCHED_NOTIFY_ACTIVE, &ctx->sched_flags))
return 1;
dsisr = ctx->csa.class_1_dsisr;