#include <mach_rt.h>
#include <mach_debug.h>
#include <mach_ldebug.h>
#include <sys/kdebug.h>
#include <mach/kern_return.h>
#include <mach/thread_status.h>
#include <mach/vm_param.h>
#include <kern/counters.h>
#include <kern/mach_param.h>
#include <kern/task.h>
#include <kern/thread.h>
#include <kern/sched_prim.h>
#include <kern/misc_protos.h>
#include <kern/assert.h>
#include <kern/spl.h>
#include <ipc/ipc_port.h>
#include <vm/vm_kern.h>
#include <vm/vm_map.h>
#include <vm/pmap.h>
#include <i386/cpu_data.h>
#include <i386/cpu_number.h>
#include <i386/thread.h>
#include <i386/eflags.h>
#include <i386/proc_reg.h>
#include <i386/seg.h>
#include <i386/tss.h>
#include <i386/user_ldt.h>
#include <i386/fpu.h>
#include <i386/iopb_entries.h>
#include <i386/misc_protos.h>
void
pmap_zero_page(
ppnum_t pn)
{
assert(pn != vm_page_fictitious_addr);
bzero_phys((addr64_t)i386_ptob(pn), PAGE_SIZE);
}
void
pmap_zero_part_page(
ppnum_t pn,
vm_offset_t offset,
vm_size_t len)
{
assert(pn != vm_page_fictitious_addr);
assert(offset + len <= PAGE_SIZE);
bzero_phys((addr64_t)(i386_ptob(pn) + offset), len);
}
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)
{
vm_offset_t src, dst;
assert(psrc != vm_page_fictitious_addr);
assert(pdst != vm_page_fictitious_addr);
src = (vm_offset_t)i386_ptob(psrc);
dst = (vm_offset_t)i386_ptob(pdst);
assert(((dst & PAGE_MASK) + dst_offset + len) <= PAGE_SIZE);
assert(((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);
}
void
pmap_copy_part_lpage(
vm_offset_t src,
ppnum_t pdst,
vm_offset_t dst_offset,
vm_size_t len)
{
pt_entry_t *ptep;
thread_t thr_act = current_thread();
assert(pdst != vm_page_fictitious_addr);
ptep = pmap_pte(thr_act->map->pmap, i386_ptob(pdst));
if (0 == ptep)
panic("pmap_copy_part_lpage ptep");
assert(((pdst & PAGE_MASK) + dst_offset + len) <= PAGE_SIZE);
if (*(pt_entry_t *) CM2)
panic("pmap_copy_part_lpage");
*(int *) CM2 = INTEL_PTE_VALID | INTEL_PTE_RW | (*ptep & PG_FRAME) |
INTEL_PTE_REF | INTEL_PTE_MOD;
invlpg((unsigned int) CA2);
memcpy((void *) (CA2 + (dst_offset & INTEL_OFFMASK)), (void *) src, len);
*(pt_entry_t *) CM2 = 0;
}
void
pmap_copy_part_rpage(
ppnum_t psrc,
vm_offset_t src_offset,
vm_offset_t dst,
vm_size_t len)
{
pt_entry_t *ptep;
thread_t thr_act = current_thread();
assert(psrc != vm_page_fictitious_addr);
ptep = pmap_pte(thr_act->map->pmap, i386_ptob(psrc));
if (0 == ptep)
panic("pmap_copy_part_rpage ptep");
assert(((psrc & PAGE_MASK) + src_offset + len) <= PAGE_SIZE);
if (*(pt_entry_t *) CM2)
panic("pmap_copy_part_rpage");
*(pt_entry_t *) CM2 = INTEL_PTE_VALID | INTEL_PTE_RW | (*ptep & PG_FRAME) |
INTEL_PTE_REF;
invlpg((unsigned int) CA2);
memcpy((void *) dst, (void *) (CA2 + (src_offset & INTEL_OFFMASK)), len);
*(pt_entry_t *) CM2 = 0;
}
vm_offset_t
kvtophys(
vm_offset_t addr)
{
pt_entry_t *ptep;
pmap_paddr_t pa;
if ((ptep = pmap_pte(kernel_pmap, addr)) == PT_ENTRY_NULL) {
pa = 0;
} else {
pa = pte_to_pa(*ptep) | (addr & INTEL_OFFMASK);
}
if (0 == pa)
kprintf("kvtophys ret 0!\n");
return (pa);
}