/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
-#include <string.h>
+#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 <mach/boolean.h>
-#include <vm/pmap.h>
-#include <vm/vm_page.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>
/*
* pmap_zero_page zeros the specified (machine independent) page.
pmap_zero_page(
ppnum_t pn)
{
- vm_offset_t p;
assert(pn != vm_page_fictitious_addr);
- p = (vm_offset_t)i386_ptob(pn);
- bzero((char *)phystokv(p), PAGE_SIZE);
+ bzero_phys((addr64_t)i386_ptob(pn), PAGE_SIZE);
}
/*
{
assert(pn != vm_page_fictitious_addr);
assert(offset + len <= PAGE_SIZE);
- bzero((char *)phystokv(i386_ptob(pn)) + offset, len);
-}
-
-/*
- * pmap_copy_page copies the specified (machine independent) pages.
- */
-void
-pmap_copy_page(
- ppnum_t psrc,
- ppnum_t pdst)
-
-{
- 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);
-
- memcpy((void *)phystokv(dst), (void *)phystokv(src), PAGE_SIZE);
+ bzero_phys((addr64_t)(i386_ptob(pn) + offset), len);
}
/*
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);
-
- memcpy((void *)(phystokv(dst) + dst_offset),
- (void *)(phystokv(src) + src_offset), len);
+ bcopy_phys((addr64_t)src + (src_offset & INTEL_OFFMASK),
+ (addr64_t)dst + (dst_offset & INTEL_OFFMASK),
+ len);
}
/*
vm_offset_t dst_offset,
vm_size_t len)
{
- vm_offset_t dst;
+ pt_entry_t *ptep;
+ thread_t thr_act = current_thread();
- assert(src != vm_page_fictitious_addr);
assert(pdst != vm_page_fictitious_addr);
- dst = (vm_offset_t)i386_ptob(pdst);
- assert(((dst & PAGE_MASK) + dst_offset + len) <= PAGE_SIZE);
-
- memcpy((void *)(phystokv(dst) + dst_offset), (void *)src, len);
+ 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;
}
/*
vm_offset_t dst,
vm_size_t len)
{
- vm_offset_t src;
+ pt_entry_t *ptep;
+ thread_t thr_act = current_thread();
assert(psrc != vm_page_fictitious_addr);
- assert(dst != vm_page_fictitious_addr);
- src = (vm_offset_t)i386_ptob(psrc);
- assert(((src & PAGE_MASK) + src_offset + len) <= PAGE_SIZE);
-
- memcpy((void *)dst, (void *)(phystokv(src) + src_offset), len);
+ 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;
}
/*
kvtophys(
vm_offset_t addr)
{
- pt_entry_t *pte;
-
- if ((pte = pmap_pte(kernel_pmap, addr)) == PT_ENTRY_NULL)
- return 0;
- return i386_trunc_page(*pte) | (addr & INTEL_OFFMASK);
+ 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);
}
projects / apple / xnu.git / blobdiff