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-rw-r--r--arch/powerpc/platforms/cell/spufs/fault.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c
index 182dc91..0f75c07 100644
--- a/arch/powerpc/platforms/cell/spufs/fault.c
+++ b/arch/powerpc/platforms/cell/spufs/fault.c
@@ -97,28 +97,46 @@ bad_area:
return -EFAULT;
}
-static void spufs_handle_dma_error(struct spu_context *ctx, int type)
+static void spufs_handle_dma_error(struct spu_context *ctx,
+ unsigned long ea, int type)
{
if (ctx->flags & SPU_CREATE_EVENTS_ENABLED) {
ctx->event_return |= type;
wake_up_all(&ctx->stop_wq);
} else {
+ siginfo_t info;
+ memset(&info, 0, sizeof(info));
+
switch (type) {
- case SPE_EVENT_DMA_ALIGNMENT:
- case SPE_EVENT_SPE_DATA_STORAGE:
case SPE_EVENT_INVALID_DMA:
- force_sig(SIGBUS, /* info, */ current);
+ info.si_signo = SIGBUS;
+ info.si_code = BUS_OBJERR;
+ break;
+ case SPE_EVENT_SPE_DATA_STORAGE:
+ info.si_signo = SIGBUS;
+ info.si_addr = (void __user *)ea;
+ info.si_code = BUS_ADRERR;
+ break;
+ case SPE_EVENT_DMA_ALIGNMENT:
+ info.si_signo = SIGBUS;
+ /* DAR isn't set for an alignment fault :( */
+ info.si_code = BUS_ADRALN;
break;
case SPE_EVENT_SPE_ERROR:
- force_sig(SIGILL, /* info */ current);
+ info.si_signo = SIGILL;
+ info.si_addr = (void __user *)(unsigned long)
+ ctx->ops->npc_read(ctx) - 4;
+ info.si_code = ILL_ILLOPC;
break;
}
+ if (info.si_signo)
+ force_sig_info(info.si_signo, &info, current);
}
}
void spufs_dma_callback(struct spu *spu, int type)
{
- spufs_handle_dma_error(spu->ctx, type);
+ spufs_handle_dma_error(spu->ctx, spu->dar, type);
}
EXPORT_SYMBOL_GPL(spufs_dma_callback);
@@ -186,7 +204,7 @@ int spufs_handle_class1(struct spu_context *ctx)
if (ctx->spu)
ctx->ops->restart_dma(ctx);
} else
- spufs_handle_dma_error(ctx, SPE_EVENT_SPE_DATA_STORAGE);
+ spufs_handle_dma_error(ctx, ea, SPE_EVENT_SPE_DATA_STORAGE);
return ret;
}