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authorJeremy Kerr <jk@ozlabs.org>2007-12-05 13:49:31 +1100
committerArnd Bergmann <arnd@arndb.de>2007-12-19 01:00:04 +0100
commit4d43466d567a6620f4f6d8576e1bed5d7cf4c28d (patch)
tree7d7ab7164196a0c39c4e4bfef89bf988c7d68571
parent58bd403c3c79dd41acf5af2d170bd4e0872bb326 (diff)
[POWERPC] cell: use spu_load_slb for SLB setup
Now that we have a helper function to setup a SPU SLB, use it for __spu_trap_data_seq. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--arch/powerpc/platforms/cell/spu_base.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 2ec1d38829d..8398af6b5c0 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -169,9 +169,8 @@ static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb)
static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
{
- struct spu_priv2 __iomem *priv2 = spu->priv2;
struct mm_struct *mm = spu->mm;
- u64 esid, vsid, llp;
+ struct spu_slb slb;
int psize;
pr_debug("%s\n", __FUNCTION__);
@@ -183,7 +182,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
printk("%s: invalid access during switch!\n", __func__);
return 1;
}
- esid = (ea & ESID_MASK) | SLB_ESID_V;
+ slb.esid = (ea & ESID_MASK) | SLB_ESID_V;
switch(REGION_ID(ea)) {
case USER_REGION_ID:
@@ -192,21 +191,21 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
#else
psize = mm->context.user_psize;
#endif
- vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
- SLB_VSID_USER;
+ slb.vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M)
+ << SLB_VSID_SHIFT) | SLB_VSID_USER;
break;
case VMALLOC_REGION_ID:
if (ea < VMALLOC_END)
psize = mmu_vmalloc_psize;
else
psize = mmu_io_psize;
- vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
- SLB_VSID_KERNEL;
+ slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
+ << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
break;
case KERNEL_REGION_ID:
psize = mmu_linear_psize;
- vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
- SLB_VSID_KERNEL;
+ slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
+ << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
break;
default:
/* Future: support kernel segments so that drivers
@@ -215,11 +214,9 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
pr_debug("invalid region access at %016lx\n", ea);
return 1;
}
- llp = mmu_psize_defs[psize].sllp;
+ slb.vsid |= mmu_psize_defs[psize].sllp;
- out_be64(&priv2->slb_index_W, spu->slb_replace);
- out_be64(&priv2->slb_vsid_RW, vsid | llp);
- out_be64(&priv2->slb_esid_RW, esid);
+ spu_load_slb(spu, spu->slb_replace, &slb);
spu->slb_replace++;
if (spu->slb_replace >= 8)