/*
* pmap_copy_page copies the specified (machine independent) pages.
*/
void
pmap_copy_part_page(
ppnum_t psrc,
vm_offset_t src_offset,
ppnum_t pdst,
vm_offset_t dst_offset,
vm_size_t len)
{
pmap_paddr_t src, dst;
assert(psrc != vm_page_fictitious_addr);
assert(pdst != vm_page_fictitious_addr);
assert(psrc != vm_page_guard_addr);
assert(pdst != vm_page_guard_addr);
src = i386_ptob(psrc);
dst = i386_ptob(pdst);
assert((((uintptr_t)dst & PAGE_MASK) + dst_offset + len) <= PAGE_SIZE);
assert((((uintptr_t)src & PAGE_MASK) + src_offset + len) <= PAGE_SIZE);
bcopy_phys((addr64_t)src + (src_offset & INTEL_OFFMASK),
(addr64_t)dst + (dst_offset & INTEL_OFFMASK),
len);
}
/*
* pmap_zero_page zeros the specified (machine independent) page.
*/
void
pmap_zero_page(
ppnum_t pn)
{
assert(pn != vm_page_fictitious_addr);
assert(pn != vm_page_guard_addr);
bzero_phys((addr64_t)i386_ptob(pn), PAGE_SIZE);
}
/*
* pmap_zero_part_page
* zeros the specified (machine independent) part of a page.
*/
void
pmap_zero_part_page(
ppnum_t pn,
vm_offset_t offset,
vm_size_t len)
{
assert(pn != vm_page_fictitious_addr);
assert(pn != vm_page_guard_addr);
assert(offset + len <= PAGE_SIZE);
bzero_phys((addr64_t)(i386_ptob(pn) + offset), (uint32_t)len);
}
void fillPage(ppnum_t pa, unsigned int fill)
{
mapwindow_t *map;
pmap_paddr_t src;
int i;
int cnt = PAGE_SIZE/sizeof(unsigned int);
unsigned int *addr;
mp_disable_preemption();
src = i386_ptob(pa);
map = pmap_get_mapwindow((pt_entry_t)(INTEL_PTE_VALID | INTEL_PTE_RW | (src & PG_FRAME) |
INTEL_PTE_REF | INTEL_PTE_MOD));
for (i = 0, addr = (unsigned int *)map->prv_CADDR; i < cnt ; i++ )
*addr++ = fill;
pmap_put_mapwindow(map);
mp_enable_preemption();
}
