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Differential D28710 Diff 84026 sys/powerpc/aim/mmu_radix.c

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sys/powerpc/aim/mmu_radix.c

Show First 20 Lines • Show All 2,807 Lines • ▼ Show 20 Linesmmu_radix_enter(pmap_t pmap, vm_offset_t va, vm_page_t m,
boolean_t nosleep, invalidate_all, invalidate_page; boolean_t nosleep, invalidate_all, invalidate_page;
va = trunc_page(va); va = trunc_page(va);
retrycount = 0; retrycount = 0;
invalidate_page = invalidate_all = false; invalidate_page = invalidate_all = false;
CTR6(KTR_PMAP, "pmap_enter(%p, %#lx, %p, %#x, %#x, %d)", pmap, va, CTR6(KTR_PMAP, "pmap_enter(%p, %#lx, %p, %#x, %#x, %d)", pmap, va,
m, prot, flags, psind); m, prot, flags, psind);
KASSERT(va <= VM_MAX_KERNEL_ADDRESS, ("pmap_enter: toobig")); KASSERT(va <= VM_MAX_KERNEL_ADDRESS, ("pmap_enter: toobig"));
KASSERT((m->oflags & VPO_UNMANAGED) != 0 || va < kmi.clean_sva || KASSERT((m->oflags & VPO_UNMANAGED) != 0 || !VA_IS_CLEANMAP(va),
va >= kmi.clean_eva,
("pmap_enter: managed mapping within the clean submap")); ("pmap_enter: managed mapping within the clean submap"));
if ((m->oflags & VPO_UNMANAGED) == 0) if ((m->oflags & VPO_UNMANAGED) == 0)
VM_PAGE_OBJECT_BUSY_ASSERT(m); VM_PAGE_OBJECT_BUSY_ASSERT(m);
KASSERT((flags & PMAP_ENTER_RESERVED) == 0, KASSERT((flags & PMAP_ENTER_RESERVED) == 0,
("pmap_enter: flags %u has reserved bits set", flags)); ("pmap_enter: flags %u has reserved bits set", flags));
pa = VM_PAGE_TO_PHYS(m); pa = VM_PAGE_TO_PHYS(m);
newpte = (pt_entry_t)(pa | PG_A | PG_V | RPTE_LEAF); newpte = (pt_entry_t)(pa | PG_A | PG_V | RPTE_LEAF);
▲ Show 20 Lines • Show All 467 Lines • ▼ Show 20 Lines
static vm_page_t static vm_page_t
mmu_radix_enter_quick_locked(pmap_t pmap, vm_offset_t va, vm_page_t m, mmu_radix_enter_quick_locked(pmap_t pmap, vm_offset_t va, vm_page_t m,
vm_prot_t prot, vm_page_t mpte, struct rwlock **lockp, bool *invalidate) vm_prot_t prot, vm_page_t mpte, struct rwlock **lockp, bool *invalidate)
{ {
struct spglist free; struct spglist free;
pt_entry_t *pte; pt_entry_t *pte;
vm_paddr_t pa; vm_paddr_t pa;
KASSERT(va < kmi.clean_sva || va >= kmi.clean_eva || KASSERT(!VA_IS_CLEANMAP(va) ||
(m->oflags & VPO_UNMANAGED) != 0, (m->oflags & VPO_UNMANAGED) != 0,
("mmu_radix_enter_quick_locked: managed mapping within the clean submap")); ("mmu_radix_enter_quick_locked: managed mapping within the clean submap"));
PMAP_LOCK_ASSERT(pmap, MA_OWNED); PMAP_LOCK_ASSERT(pmap, MA_OWNED);
/* /*
* In the case that a page table page is not * In the case that a page table page is not
* resident, we are creating it here. * resident, we are creating it here.
*/ */
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