Differential D22056 Diff 63380 head/sys/sparc64/sparc64/pmap.c

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head/sys/sparc64/sparc64/pmap.c

Show First 20 Lines • Show All 1,494 Lines • ▼ Show 20 Lines	pmap_enter_locked(pmap_t pm, vm_offset_t va, vm_page_t m, vm_prot_t prot,
struct tte *tp;		struct tte *tp;
vm_paddr_t pa;		vm_paddr_t pa;
vm_page_t real;		vm_page_t real;
u_long data;		u_long data;
boolean_t wired;		boolean_t wired;

rw_assert(&tte_list_global_lock, RA_WLOCKED);		rw_assert(&tte_list_global_lock, RA_WLOCKED);
PMAP_LOCK_ASSERT(pm, MA_OWNED);		PMAP_LOCK_ASSERT(pm, MA_OWNED);
if ((m->oflags & VPO_UNMANAGED) == 0)		if ((m->oflags & VPO_UNMANAGED) == 0) {
		if ((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_STATS_INC(pmap_nenter);		PMAP_STATS_INC(pmap_nenter);
pa = VM_PAGE_TO_PHYS(m);		pa = VM_PAGE_TO_PHYS(m);
wired = (flags & PMAP_ENTER_WIRED) != 0;		wired = (flags & PMAP_ENTER_WIRED) != 0;

/*		/*
* If this is a fake page from the device_pager, but it covers actual		* If this is a fake page from the device_pager, but it covers actual
* physical memory, convert to the real backing page.		* physical memory, convert to the real backing page.
*/		*/
▲ Show 20 Lines • Show All 131 Lines • ▼ Show 20 Lines	pmap_enter_object(pmap_t pm, vm_offset_t start, vm_offset_t end,
VM_OBJECT_ASSERT_LOCKED(m_start->object);		VM_OBJECT_ASSERT_LOCKED(m_start->object);

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

void		void
pmap_enter_quick(pmap_t pm, vm_offset_t va, vm_page_t m, vm_prot_t prot)		pmap_enter_quick(pmap_t pm, vm_offset_t va, vm_page_t m, vm_prot_t prot)
{		{

rw_wlock(&tte_list_global_lock);		rw_wlock(&tte_list_global_lock);
PMAP_LOCK(pm);		PMAP_LOCK(pm);
pmap_enter_locked(pm, va, m, prot & (VM_PROT_READ \| VM_PROT_EXECUTE),		pmap_enter_locked(pm, va, m, prot & (VM_PROT_READ \| VM_PROT_EXECUTE),
0, 0);		PMAP_ENTER_QUICK_LOCKED, 0);
rw_wunlock(&tte_list_global_lock);		rw_wunlock(&tte_list_global_lock);
PMAP_UNLOCK(pm);		PMAP_UNLOCK(pm);
}		}

void		void
pmap_object_init_pt(pmap_t pm, vm_offset_t addr, vm_object_t object,		pmap_object_init_pt(pmap_t pm, vm_offset_t addr, vm_object_t object,
vm_pindex_t pindex, vm_size_t size)		vm_pindex_t pindex, vm_size_t size)
{		{
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