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Differential D20903 Diff 60115 head/sys/powerpc/ps3/mmu_ps3.c

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head/sys/powerpc/ps3/mmu_ps3.c

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static int64_t static int64_t
mps3_pte_unset(mmu_t mmu, struct pvo_entry *pvo) mps3_pte_unset(mmu_t mmu, struct pvo_entry *pvo)
{ {
int64_t refchg; int64_t refchg;
mtx_lock(&mps3_table_lock); mtx_lock(&mps3_table_lock);
refchg = mps3_pte_synch_locked(pvo); refchg = mps3_pte_synch_locked(pvo);
if (refchg < 0) { if (refchg < 0) {
moea64_pte_overflow--; STAT_MOEA64(moea64_pte_overflow--);
mtx_unlock(&mps3_table_lock); mtx_unlock(&mps3_table_lock);
return (-1); return (-1);
} }
/* XXX: race on RC bits between unset and sync. Anything to do? */ /* XXX: race on RC bits between unset and sync. Anything to do? */
lv1_write_htab_entry(mps3_vas_id, pvo->pvo_pte.slot, 0, 0); lv1_write_htab_entry(mps3_vas_id, pvo->pvo_pte.slot, 0, 0);
mtx_unlock(&mps3_table_lock); mtx_unlock(&mps3_table_lock);
moea64_pte_valid--; STAT_MOEA64(moea64_pte_valid--);
return (refchg & (LPTE_REF | LPTE_CHG)); return (refchg & (LPTE_REF | LPTE_CHG));
} }
static int static int
mps3_pte_insert(mmu_t mmu, struct pvo_entry *pvo) mps3_pte_insert(mmu_t mmu, struct pvo_entry *pvo)
{ {
int result; int result;
Show All 24 Linesmps3_pte_insert(mmu_t mmu, struct pvo_entry *pvo)
/* /*
* See where we ended up. * See where we ended up.
*/ */
if ((index & ~7UL) != pvo->pvo_pte.slot) if ((index & ~7UL) != pvo->pvo_pte.slot)
pvo->pvo_vaddr |= PVO_HID; pvo->pvo_vaddr |= PVO_HID;
pvo->pvo_pte.slot = index; pvo->pvo_pte.slot = index;
moea64_pte_valid++; STAT_MOEA64(moea64_pte_valid++);
if (evicted.pte_hi) { if (evicted.pte_hi) {
KASSERT((evicted.pte_hi & (LPTE_WIRED | LPTE_LOCKED)) == 0, KASSERT((evicted.pte_hi & (LPTE_WIRED | LPTE_LOCKED)) == 0,
("Evicted a wired PTE")); ("Evicted a wired PTE"));
moea64_pte_valid--; STAT_MOEA64(moea64_pte_valid--);
moea64_pte_overflow++; STAT_MOEA64(moea64_pte_overflow++);
} }
return (0); return (0);
} }