diff options
| author | Jeremy Kerr <jk@ozlabs.org> | 2008-01-11 07:03:26 +0300 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-02-06 08:26:59 +0300 |
| commit | 60cf54db47727935af1c439f59c636a96a8cbd4b (patch) | |
| tree | 2cf1b2e8351741a3c6656bdd4574c4e90b47415a /arch/powerpc/platforms/cell/spufs | |
| parent | 038200cfdc6467fa8100c5b9c3b81730f0158370 (diff) | |
| download | linux-60cf54db47727935af1c439f59c636a96a8cbd4b.tar.xz | |
[POWERPC] spufs: Fix SPE single-step mode
Currently we only catch debug events through the 0x3fff status;
spufs_run_spu doesn't handle single-step SPE events.
This change adds a handler for conditions where the SPE is stopped due
to single-step-mode.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/run.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index c01a09da1e56..b4814c740d8a 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -410,8 +410,11 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event) * since we have TIF_SINGLESTEP set, thus the kernel will do * it upon return from the syscall anyawy */ - if ((status & SPU_STATUS_STOPPED_BY_STOP) - && (status >> SPU_STOP_STATUS_SHIFT) == 0x3fff) { + if (unlikely(status & SPU_STATUS_SINGLE_STEP)) + ret = -ERESTARTSYS; + + else if (unlikely((status & SPU_STATUS_STOPPED_BY_STOP) + && (status >> SPU_STOP_STATUS_SHIFT) == 0x3fff)) { force_sig(SIGTRAP, current); ret = -ERESTARTSYS; } |