static x86pte_t
get_pte(hat_t *hat, htable_t *htable, uintptr_t addr)
{
x86pte_t buf;
if (htable->ht_flags & HTABLE_COPIED) {
uintptr_t ptr = (uintptr_t)hat->hat_copied_ptes;
ptr += va2entry(htable, addr) << mmu.pte_size_shift;
return (*(x86pte_t *)ptr);
}
paddr_t paddr = mmu_ptob((paddr_t)htable->ht_pfn);
paddr += va2entry(htable, addr) << mmu.pte_size_shift;
if ((mdb_pread(&buf, mmu.pte_size, paddr)) == mmu.pte_size)
return (buf);
return (0);
}
static x86pte_t
get_pte(hat_t *hat, htable_t *htable, uintptr_t addr)
{
x86pte_t buf;
x86pte32_t *pte32 = (x86pte32_t *)&buf;
size_t len;
if (htable->ht_flags & HTABLE_VLP) {
uintptr_t ptr = (uintptr_t)hat->hat_vlp_ptes;
ptr += va2entry(htable, addr) << mmu.pte_size_shift;
len = mdb_vread(&buf, mmu.pte_size, ptr);
} else {
paddr_t paddr = mmu_ptob((paddr_t)htable->ht_pfn);
paddr += va2entry(htable, addr) << mmu.pte_size_shift;
len = mdb_pread(&buf, mmu.pte_size, paddr);
}
if (len != mmu.pte_size)
return (0);
if (mmu.pte_size == sizeof (x86pte_t))
return (buf);
return (*pte32);
}