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Diffstat (limited to 'arch/powerpc/platforms/cell/spu_base.c')
-rw-r--r--arch/powerpc/platforms/cell/spu_base.c55
1 files changed, 9 insertions, 46 deletions
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 2930d1e81a05..ffcbd242e669 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -76,10 +76,6 @@ static LIST_HEAD(spu_full_list);
static DEFINE_SPINLOCK(spu_full_list_lock);
static DEFINE_MUTEX(spu_full_list_mutex);
-struct spu_slb {
- u64 esid, vsid;
-};
-
void spu_invalidate_slbs(struct spu *spu)
{
struct spu_priv2 __iomem *priv2 = spu->priv2;
@@ -149,7 +145,7 @@ static void spu_restart_dma(struct spu *spu)
}
}
-static inline void spu_load_slb(struct spu *spu, int slbe, struct spu_slb *slb)
+static inline void spu_load_slb(struct spu *spu, int slbe, struct copro_slb *slb)
{
struct spu_priv2 __iomem *priv2 = spu->priv2;
@@ -167,45 +163,12 @@ 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 mm_struct *mm = spu->mm;
- struct spu_slb slb;
- int psize;
-
- pr_debug("%s\n", __func__);
-
- slb.esid = (ea & ESID_MASK) | SLB_ESID_V;
+ struct copro_slb slb;
+ int ret;
- switch(REGION_ID(ea)) {
- case USER_REGION_ID:
-#ifdef CONFIG_PPC_MM_SLICES
- psize = get_slice_psize(mm, ea);
-#else
- psize = mm->context.user_psize;
-#endif
- 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;
- slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
- << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
- break;
- case KERNEL_REGION_ID:
- psize = mmu_linear_psize;
- slb.vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M)
- << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
- break;
- default:
- /* Future: support kernel segments so that drivers
- * can use SPUs.
- */
- pr_debug("invalid region access at %016lx\n", ea);
- return 1;
- }
- slb.vsid |= mmu_psize_defs[psize].sllp;
+ ret = copro_calculate_slb(spu->mm, ea, &slb);
+ if (ret)
+ return ret;
spu_load_slb(spu, spu->slb_replace, &slb);
@@ -253,7 +216,7 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
return 0;
}
-static void __spu_kernel_slb(void *addr, struct spu_slb *slb)
+static void __spu_kernel_slb(void *addr, struct copro_slb *slb)
{
unsigned long ea = (unsigned long)addr;
u64 llp;
@@ -272,7 +235,7 @@ static void __spu_kernel_slb(void *addr, struct spu_slb *slb)
* Given an array of @nr_slbs SLB entries, @slbs, return non-zero if the
* address @new_addr is present.
*/
-static inline int __slb_present(struct spu_slb *slbs, int nr_slbs,
+static inline int __slb_present(struct copro_slb *slbs, int nr_slbs,
void *new_addr)
{
unsigned long ea = (unsigned long)new_addr;
@@ -297,7 +260,7 @@ static inline int __slb_present(struct spu_slb *slbs, int nr_slbs,
void spu_setup_kernel_slbs(struct spu *spu, struct spu_lscsa *lscsa,
void *code, int code_size)
{
- struct spu_slb slbs[4];
+ struct copro_slb slbs[4];
int i, nr_slbs = 0;
/* start and end addresses of both mappings */
void *addrs[] = {