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Index: sys/powerpc/booke/pmap.c
===================================================================
--- sys/powerpc/booke/pmap.c
+++ sys/powerpc/booke/pmap.c
@@ -412,13 +412,13 @@
if (ma != VM_MEMATTR_DEFAULT) {
switch (ma) {
case VM_MEMATTR_UNCACHEABLE:
- return (PTE_I | PTE_G);
+ return (MAS2_I | MAS2_G);
case VM_MEMATTR_WRITE_COMBINING:
case VM_MEMATTR_WRITE_BACK:
case VM_MEMATTR_PREFETCHABLE:
- return (PTE_I);
+ return (MAS2_I);
case VM_MEMATTR_WRITE_THROUGH:
- return (PTE_W | PTE_M);
+ return (MAS2_W | MAS2_M);
}
}
@@ -985,7 +985,7 @@
}
pte = &(pmap->pm_pdir[pdir_idx][ptbl_idx]);
pte->rpn = PTE_RPN_FROM_PA(VM_PAGE_TO_PHYS(m));
- pte->flags |= (PTE_VALID | flags);
+ pte->flags |= (PTE_VALID | flags | PTE_PS_4KB); /* 4KB pages only */
tlb_miss_unlock();
mtx_unlock_spin(&tlbivax_mutex);
@@ -1043,7 +1043,7 @@
pte = &(kernel_pmap->pm_pdir[PDIR_IDX(va)][PTBL_IDX(va)]);
pte->rpn = kernload + (va - kernstart);
pte->flags = PTE_M | PTE_SR | PTE_SW | PTE_SX | PTE_WIRED |
- PTE_VALID;
+ PTE_VALID | PTE_PS_4KB;
}
}
@@ -1525,7 +1525,8 @@
(va <= VM_MAX_KERNEL_ADDRESS)), ("mmu_booke_kenter: invalid va"));
flags = PTE_SR | PTE_SW | PTE_SX | PTE_WIRED | PTE_VALID;
- flags |= tlb_calc_wimg(pa, ma);
+ flags |= tlb_calc_wimg(pa, ma) << PTE_MAS2_SHIFT;
+ flags |= PTE_PS_4KB;
pte = pte_find(mmu, kernel_pmap, va);
@@ -1542,15 +1543,15 @@
pte->rpn = PTE_RPN_FROM_PA(pa);
pte->flags = flags;
+ flags = pte->flags;
//debugf("mmu_booke_kenter: pdir_idx = %d ptbl_idx = %d va=0x%08x "
// "pa=0x%08x rpn=0x%08x flags=0x%08x\n",
// pdir_idx, ptbl_idx, va, pa, pte->rpn, pte->flags);
/* Flush the real memory from the instruction cache. */
- if ((flags & (PTE_I | PTE_G)) == 0) {
+ if ((flags & (PTE_I | PTE_G)) == 0)
__syncicache((void *)va, PAGE_SIZE);
- }
tlb_miss_unlock();
mtx_unlock_spin(&tlbivax_mutex);
@@ -2340,7 +2341,8 @@
paddr = VM_PAGE_TO_PHYS(m);
flags = PTE_SR | PTE_SW | PTE_SX | PTE_WIRED | PTE_VALID;
- flags |= tlb_calc_wimg(paddr, pmap_page_get_memattr(m));
+ flags |= tlb_calc_wimg(paddr, pmap_page_get_memattr(m)) << PTE_MAS2_SHIFT;
+ flags |= PTE_PS_4KB;
critical_enter();
qaddr = PCPU_GET(qmap_addr);
Index: sys/powerpc/booke/trap_subr.S
===================================================================
--- sys/powerpc/booke/trap_subr.S
+++ sys/powerpc/booke/trap_subr.S
@@ -686,7 +686,7 @@
* This load may cause a Data TLB miss for non-kernel pmap!
*/
lwz %r21, PTE_FLAGS(%r25)
- andis. %r21, %r21, PTE_VALID@h
+ andi. %r21, %r21, PTE_VALID@l
bne 2f
1:
li %r25, 0
@@ -721,20 +721,21 @@
andi. %r22, %r21, (PTE_SW | PTE_UW)@l /* check if writable */
beq 2f
- oris %r21, %r21, PTE_MODIFIED@h /* set modified bit */
+ ori %r21, %r21, PTE_MODIFIED@l /* set modified bit */
2:
stwcx. %r21, %r23, %r25 /* write it back */
bne- 1b
/* Update MAS2. */
- rlwimi %r27, %r21, 0, 27, 30 /* insert WIMG bits from pte */
+ rlwimi %r27, %r21, 13, 27, 30 /* insert WIMG bits from pte */
/* Setup MAS3 value in r23. */
lwz %r23, PTE_RPN(%r25) /* get pte->rpn */
- rlwinm %r22, %r23, 12, 0, 20 /* extract MAS3 portion of RPN */
+ rlwinm %r22, %r23, 20, 0, 11 /* extract MAS3 portion of RPN */
- rlwimi %r22, %r21, 24, 26, 31 /* insert protection bits from pte */
- rlwinm %r23, %r23, 12, 28, 31 /* MAS7 portion of RPN */
+ rlwimi %r22, %r21, 30, 26, 31 /* insert protection bits from pte */
+ rlwimi %r22, %r21, 20, 12, 19 /* insert lower 8 RPN bits to MAS3 */
+ rlwinm %r23, %r23, 20, 24, 31 /* MAS7 portion of RPN */
/* Load MAS registers. */
mtspr SPR_MAS0, %r29
Index: sys/powerpc/include/pte.h
===================================================================
--- sys/powerpc/include/pte.h
+++ sys/powerpc/include/pte.h
@@ -213,8 +213,8 @@
*/
#ifndef LOCORE
struct pte {
- vm_offset_t rpn;
- uint32_t flags;
+ uint64_t rpn : 40;
+ uint64_t flags : 24;
};
typedef struct pte pte_t;
#endif
@@ -225,13 +225,14 @@
#if defined(BOOKE_E500)
/* PTE bits assigned to MAS2, MAS3 flags */
-#define PTE_W MAS2_W
-#define PTE_I MAS2_I
-#define PTE_M MAS2_M
-#define PTE_G MAS2_G
+#define PTE_MAS2_SHIFT 19
+#define PTE_W (MAS2_W << PTE_MAS2_SHIFT)
+#define PTE_I (MAS2_I << PTE_MAS2_SHIFT)
+#define PTE_M (MAS2_M << PTE_MAS2_SHIFT)
+#define PTE_G (MAS2_G << PTE_MAS2_SHIFT)
#define PTE_MAS2_MASK (MAS2_G | MAS2_M | MAS2_I | MAS2_W)
-#define PTE_MAS3_SHIFT 8
+#define PTE_MAS3_SHIFT 2
#define PTE_UX (MAS3_UX << PTE_MAS3_SHIFT)
#define PTE_SX (MAS3_SX << PTE_MAS3_SHIFT)
#define PTE_UW (MAS3_UW << PTE_MAS3_SHIFT)
@@ -241,6 +242,9 @@
#define PTE_MAS3_MASK ((MAS3_UX | MAS3_SX | MAS3_UW \
| MAS3_SW | MAS3_UR | MAS3_SR) << PTE_MAS3_SHIFT)
+#define PTE_PS_SHIFT 8
+#define PTE_PS_4KB (2 << PTE_PS_SHIFT)
+
#elif defined(BOOKE_PPC4XX)
#define PTE_WL1 TLB_WL1
@@ -262,11 +266,11 @@
#endif
/* Other PTE flags */
-#define PTE_VALID 0x80000000 /* Valid */
-#define PTE_MODIFIED 0x40000000 /* Modified */
-#define PTE_WIRED 0x20000000 /* Wired */
-#define PTE_MANAGED 0x10000000 /* Managed */
-#define PTE_REFERENCED 0x04000000 /* Referenced */
+#define PTE_VALID 0x00000001 /* Valid */
+#define PTE_MODIFIED 0x00001000 /* Modified */
+#define PTE_WIRED 0x00002000 /* Wired */
+#define PTE_MANAGED 0x00000002 /* Managed */
+#define PTE_REFERENCED 0x00040000 /* Referenced */
/* Macro argument must of pte_t type. */
#define PTE_PA_SHIFT 12
Index: sys/powerpc/powerpc/genassym.c
===================================================================
--- sys/powerpc/powerpc/genassym.c
+++ sys/powerpc/powerpc/genassym.c
@@ -119,8 +119,12 @@
#endif
#elif defined(BOOKE)
ASSYM(PM_PDIR, offsetof(struct pmap, pm_pdir));
-ASSYM(PTE_RPN, offsetof(struct pte, rpn));
-ASSYM(PTE_FLAGS, offsetof(struct pte, flags));
+/*
+ * With pte_t being a bitfield struct, these fields cannot be addressed via
+ * offsetof().
+ */
+ASSYM(PTE_RPN, 0);
+ASSYM(PTE_FLAGS, sizeof(uint32_t));
#if defined(BOOKE_E500)
ASSYM(TLB0_ENTRY_SIZE, sizeof(struct tlb_entry));
#endif

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