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[POWERPC] spufs: set up correct SLB entries for 64k pages

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spufs currently knows only 4k pages and 16M hugetlb
pages. Make it use the regular methods for deciding on
the SLB bits.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
arnd@arndb.de 2006-06-19 20:33:23 +02:00 committed by Paul Mackerras
parent 0309f02d8e
commit 724bd80e81
2 changed files with 16 additions and 9 deletions
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11
arch/powerpc/platforms/cell/spu_base.c
View File

@ -71,7 +71,7 @@ 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;
u64 esid, vsid, llp;
pr_debug("%s\n", __FUNCTION__);
@ -91,9 +91,14 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
}
esid = (ea & ESID_MASK) | SLB_ESID_V;
vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) | SLB_VSID_USER;
#ifdef CONFIG_HUGETLB_PAGE
if (in_hugepage_area(mm->context, ea))
vsid |= SLB_VSID_L;
llp = mmu_psize_defs[mmu_huge_psize].sllp;
else
#endif
llp = mmu_psize_defs[mmu_virtual_psize].sllp;
vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) |
SLB_VSID_USER | llp;
out_be64(&priv2->slb_index_W, spu->slb_replace);
out_be64(&priv2->slb_vsid_RW, vsid);

14
arch/powerpc/platforms/cell/spufs/switch.c
View File

@ -718,13 +718,15 @@ static inline void invalidate_slbs(struct spu_state *csa, struct spu *spu)
static inline void get_kernel_slb(u64 ea, u64 slb[2])
{
slb[0] = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) | SLB_VSID_KERNEL;
slb[1] = (ea & ESID_MASK) | SLB_ESID_V;
u64 llp;
/* Large pages are used for kernel text/data, but not vmalloc. */
if (cpu_has_feature(CPU_FTR_16M_PAGE)
&& REGION_ID(ea) == KERNEL_REGION_ID)
slb[0] |= SLB_VSID_L;
if (REGION_ID(ea) == KERNEL_REGION_ID)
llp = mmu_psize_defs[mmu_linear_psize].sllp;
else
llp = mmu_psize_defs[mmu_virtual_psize].sllp;
slb[0] = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
SLB_VSID_KERNEL | llp;
slb[1] = (ea & ESID_MASK) | SLB_ESID_V;
}
static inline void load_mfc_slb(struct spu *spu, u64 slb[2], int slbe)