Differential D22041 Diff 63344 head/sys/powerpc/booke/pmap.c

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head/sys/powerpc/booke/pmap.c

Show First 20 Lines • Show All 2,272 Lines • ▼ Show 20 Lines	mmu_booke_enter_locked(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_page_t m,
if (su) {		if (su) {
KASSERT(((va >= virtual_avail) &&		KASSERT(((va >= virtual_avail) &&
(va <= VM_MAX_KERNEL_ADDRESS)),		(va <= VM_MAX_KERNEL_ADDRESS)),
("mmu_booke_enter_locked: kernel pmap, non kernel va"));		("mmu_booke_enter_locked: kernel pmap, non kernel va"));
} else {		} else {
KASSERT((va <= VM_MAXUSER_ADDRESS),		KASSERT((va <= VM_MAXUSER_ADDRESS),
("mmu_booke_enter_locked: user pmap, non user va"));		("mmu_booke_enter_locked: user pmap, non user va"));
}		}
if ((m->oflags & VPO_UNMANAGED) == 0)		if ((m->oflags & VPO_UNMANAGED) == 0) {
		if ((pmap_flags & PMAP_ENTER_QUICK_LOCKED) == 0)
VM_PAGE_OBJECT_BUSY_ASSERT(m);		VM_PAGE_OBJECT_BUSY_ASSERT(m);
		else
		VM_OBJECT_ASSERT_LOCKED(m->object);
		}

PMAP_LOCK_ASSERT(pmap, MA_OWNED);		PMAP_LOCK_ASSERT(pmap, MA_OWNED);

/*		/*
* If there is an existing mapping, and the physical address has not		* If there is an existing mapping, and the physical address has not
* changed, must be protection or wiring change.		* changed, must be protection or wiring change.
*/		*/
if (((pte = pte_find(mmu, pmap, va)) != NULL) &&		if (((pte = pte_find(mmu, pmap, va)) != NULL) &&
▲ Show 20 Lines • Show All 151 Lines • ▼ Show 20 Lines	mmu_booke_enter_object(mmu_t mmu, pmap_t pmap, vm_offset_t start,

psize = atop(end - start);		psize = atop(end - start);
m = m_start;		m = m_start;
rw_wlock(&pvh_global_lock);		rw_wlock(&pvh_global_lock);
PMAP_LOCK(pmap);		PMAP_LOCK(pmap);
while (m != NULL && (diff = m->pindex - m_start->pindex) < psize) {		while (m != NULL && (diff = m->pindex - m_start->pindex) < psize) {
mmu_booke_enter_locked(mmu, pmap, start + ptoa(diff), m,		mmu_booke_enter_locked(mmu, pmap, start + ptoa(diff), m,
prot & (VM_PROT_READ \| VM_PROT_EXECUTE),		prot & (VM_PROT_READ \| VM_PROT_EXECUTE),
PMAP_ENTER_NOSLEEP, 0);		PMAP_ENTER_NOSLEEP \| PMAP_ENTER_QUICK_LOCKED, 0);
m = TAILQ_NEXT(m, listq);		m = TAILQ_NEXT(m, listq);
}		}
rw_wunlock(&pvh_global_lock);		rw_wunlock(&pvh_global_lock);
PMAP_UNLOCK(pmap);		PMAP_UNLOCK(pmap);
}		}

static void		static void
mmu_booke_enter_quick(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_page_t m,		mmu_booke_enter_quick(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_page_t m,
vm_prot_t prot)		vm_prot_t prot)
{		{

rw_wlock(&pvh_global_lock);		rw_wlock(&pvh_global_lock);
PMAP_LOCK(pmap);		PMAP_LOCK(pmap);
mmu_booke_enter_locked(mmu, pmap, va, m,		mmu_booke_enter_locked(mmu, pmap, va, m,
prot & (VM_PROT_READ \| VM_PROT_EXECUTE), PMAP_ENTER_NOSLEEP,		prot & (VM_PROT_READ \| VM_PROT_EXECUTE), PMAP_ENTER_NOSLEEP \|
0);		PMAP_ENTER_QUICK_LOCKED, 0);
rw_wunlock(&pvh_global_lock);		rw_wunlock(&pvh_global_lock);
PMAP_UNLOCK(pmap);		PMAP_UNLOCK(pmap);
}		}

/*		/*
* Remove the given range of addresses from the specified map.		* Remove the given range of addresses from the specified map.
*		*
* It is assumed that the start and end are properly rounded to the page size.		* It is assumed that the start and end are properly rounded to the page size.
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