diff options
| author | Luke Browning | 2007-12-20 08:39:59 +0100 |
|---|---|---|
| committer | Paul Mackerras | 2007-12-21 09:46:19 +0100 |
| commit | cc210b3ec5e4d9c690549e07aa5853e8de8dbff9 (patch) | |
| tree | 6476ad83b29215452bb452f96dbc75d9376d8baf /arch/powerpc/platforms/cell/spufs/hw_ops.c | |
| parent | [POWERPC] spufs: block fault handlers in spu_acquire_runnable (diff) | |
| download | kernel-qcow2-linux-cc210b3ec5e4d9c690549e07aa5853e8de8dbff9.tar.gz kernel-qcow2-linux-cc210b3ec5e4d9c690549e07aa5853e8de8dbff9.tar.xz kernel-qcow2-linux-cc210b3ec5e4d9c690549e07aa5853e8de8dbff9.zip | |
[POWERPC] spufs: add backing ops for privcntl register
This change encapsulates the spu_privcntl_RW register so that it can
be written through backing ops. This is necessary so that spu contexts
can be initialized and queued to the scheduler in spufs_run_spu.
Signed-off-by: Luke Browning <lukebr@linux.vnet.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/hw_ops.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/hw_ops.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index e09616733c15..a7767e3b0853 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -206,6 +206,11 @@ static char *spu_hw_get_ls(struct spu_context *ctx) return ctx->spu->local_store; } +static void spu_hw_privcntl_write(struct spu_context *ctx, u64 val) +{ + out_be64(&ctx->spu->priv2->spu_privcntl_RW, val); +} + static u32 spu_hw_runcntl_read(struct spu_context *ctx) { return in_be32(&ctx->spu->problem->spu_runcntl_RW); @@ -215,7 +220,8 @@ static void spu_hw_runcntl_write(struct spu_context *ctx, u32 val) { spin_lock_irq(&ctx->spu->register_lock); if (val & SPU_RUNCNTL_ISOLATE) - out_be64(&ctx->spu->priv2->spu_privcntl_RW, 4LL); + spu_hw_privcntl_write(ctx, + SPU_PRIVCNT_LOAD_REQUEST_ENABLE_MASK); out_be32(&ctx->spu->problem->spu_runcntl_RW, val); spin_unlock_irq(&ctx->spu->register_lock); } @@ -328,6 +334,7 @@ struct spu_context_ops spu_hw_ops = { .npc_write = spu_hw_npc_write, .status_read = spu_hw_status_read, .get_ls = spu_hw_get_ls, + .privcntl_write = spu_hw_privcntl_write, .runcntl_read = spu_hw_runcntl_read, .runcntl_write = spu_hw_runcntl_write, .runcntl_stop = spu_hw_runcntl_stop, |