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Implement the following functions:

Browse Source 
- pmap_addr_hint
- pmap_change_wiring
- pmap_extract
- pmap_is_modified
This commit is contained in:
Benno Rice 2002-05-10 14:21:48 +00:00
parent e89482f7cb
commit 0f92104c14
3 changed files with 96 additions and 24 deletions
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40
sys/powerpc/aim/mmu_oea.c
View File

@ -774,14 +774,28 @@ pmap_deactivate(struct thread *td)
vm_offset_t
pmap_addr_hint(vm_object_t object, vm_offset_t va, vm_size_t size)
{
TODO;
return (0);
return (va);
}
void
pmap_change_wiring(pmap_t pmap, vm_offset_t va, boolean_t wired)
pmap_change_wiring(pmap_t pm, vm_offset_t va, boolean_t wired)
{
TODO;
struct pvo_entry *pvo;
pvo = pmap_pvo_find_va(pm, va & ~ADDR_POFF, NULL);
if (pvo != NULL) {
if (wired) {
if ((pvo->pvo_vaddr & PVO_WIRED) == 0)
pm->pm_stats.wired_count++;
pvo->pvo_vaddr |= PVO_WIRED;
} else {
if ((pvo->pvo_vaddr & PVO_WIRED) != 0)
pm->pm_stats.wired_count--;
pvo->pvo_vaddr &= ~PVO_WIRED;
}
}
}
void
@ -934,9 +948,16 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot,
}
vm_offset_t
pmap_extract(pmap_t pmap, vm_offset_t va)
pmap_extract(pmap_t pm, vm_offset_t va)
{
TODO;
struct pvo_entry *pvo;
pvo = pmap_pvo_find_va(pm, va & ~ADDR_POFF, NULL);
if (pvo != NULL) {
return ((pvo->pvo_pte.pte_lo & PTE_RPGN) | (va & ADDR_POFF));
}
return (0);
}
@ -975,8 +996,11 @@ pmap_init2(void)
boolean_t
pmap_is_modified(vm_page_t m)
{
TODO;
return (0);
if (m->flags & PG_FICTITIOUS)
return (FALSE);
return (pmap_query_bit(m, PTE_CHG));
}
void

40
sys/powerpc/powerpc/mmu_oea.c
View File

@ -774,14 +774,28 @@ pmap_deactivate(struct thread *td)
vm_offset_t
pmap_addr_hint(vm_object_t object, vm_offset_t va, vm_size_t size)
{
TODO;
return (0);
return (va);
}
void
pmap_change_wiring(pmap_t pmap, vm_offset_t va, boolean_t wired)
pmap_change_wiring(pmap_t pm, vm_offset_t va, boolean_t wired)
{
TODO;
struct pvo_entry *pvo;
pvo = pmap_pvo_find_va(pm, va & ~ADDR_POFF, NULL);
if (pvo != NULL) {
if (wired) {
if ((pvo->pvo_vaddr & PVO_WIRED) == 0)
pm->pm_stats.wired_count++;
pvo->pvo_vaddr |= PVO_WIRED;
} else {
if ((pvo->pvo_vaddr & PVO_WIRED) != 0)
pm->pm_stats.wired_count--;
pvo->pvo_vaddr &= ~PVO_WIRED;
}
}
}
void
@ -934,9 +948,16 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot,
}
vm_offset_t
pmap_extract(pmap_t pmap, vm_offset_t va)
pmap_extract(pmap_t pm, vm_offset_t va)
{
TODO;
struct pvo_entry *pvo;
pvo = pmap_pvo_find_va(pm, va & ~ADDR_POFF, NULL);
if (pvo != NULL) {
return ((pvo->pvo_pte.pte_lo & PTE_RPGN) | (va & ADDR_POFF));
}
return (0);
}
@ -975,8 +996,11 @@ pmap_init2(void)
boolean_t
pmap_is_modified(vm_page_t m)
{
TODO;
return (0);
if (m->flags & PG_FICTITIOUS)
return (FALSE);
return (pmap_query_bit(m, PTE_CHG));
}
void

40
sys/powerpc/powerpc/pmap.c
View File

@ -774,14 +774,28 @@ pmap_deactivate(struct thread *td)
vm_offset_t
pmap_addr_hint(vm_object_t object, vm_offset_t va, vm_size_t size)
{
TODO;
return (0);
return (va);
}
void
pmap_change_wiring(pmap_t pmap, vm_offset_t va, boolean_t wired)
pmap_change_wiring(pmap_t pm, vm_offset_t va, boolean_t wired)
{
TODO;
struct pvo_entry *pvo;
pvo = pmap_pvo_find_va(pm, va & ~ADDR_POFF, NULL);
if (pvo != NULL) {
if (wired) {
if ((pvo->pvo_vaddr & PVO_WIRED) == 0)
pm->pm_stats.wired_count++;
pvo->pvo_vaddr |= PVO_WIRED;
} else {
if ((pvo->pvo_vaddr & PVO_WIRED) != 0)
pm->pm_stats.wired_count--;
pvo->pvo_vaddr &= ~PVO_WIRED;
}
}
}
void
@ -934,9 +948,16 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot,
}
vm_offset_t
pmap_extract(pmap_t pmap, vm_offset_t va)
pmap_extract(pmap_t pm, vm_offset_t va)
{
TODO;
struct pvo_entry *pvo;
pvo = pmap_pvo_find_va(pm, va & ~ADDR_POFF, NULL);
if (pvo != NULL) {
return ((pvo->pvo_pte.pte_lo & PTE_RPGN) | (va & ADDR_POFF));
}
return (0);
}
@ -975,8 +996,11 @@ pmap_init2(void)
boolean_t
pmap_is_modified(vm_page_t m)
{
TODO;
return (0);
if (m->flags & PG_FICTITIOUS)
return (FALSE);
return (pmap_query_bit(m, PTE_CHG));
}
void