/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* 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.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
* 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/misc_protos.h>
/*
* pmap_zero_page zeros the specified (machine independent) page.
*/
void
pmap_zero_page(
- vm_offset_t p)
+ ppnum_t pn)
{
- assert(p != vm_page_fictitious_addr);
- bzero((char *)phystokv(p), PAGE_SIZE);
+ assert(pn != vm_page_fictitious_addr);
+ assert(pn != vm_page_guard_addr);
+ bzero_phys((addr64_t)i386_ptob(pn), PAGE_SIZE);
}
/*
*/
void
pmap_zero_part_page(
- vm_offset_t p,
+ ppnum_t pn,
vm_offset_t offset,
vm_size_t len)
{
- assert(p != vm_page_fictitious_addr);
+ assert(pn != vm_page_fictitious_addr);
+ assert(pn != vm_page_guard_addr);
assert(offset + len <= PAGE_SIZE);
-
- bzero((char *)phystokv(p) + offset, len);
-}
-
-/*
- * pmap_copy_page copies the specified (machine independent) pages.
- */
-void
-pmap_copy_page(
- vm_offset_t src,
- vm_offset_t dst)
-{
- assert(src != vm_page_fictitious_addr);
- assert(dst != vm_page_fictitious_addr);
-
- memcpy((void *)phystokv(dst), (void *)phystokv(src), PAGE_SIZE);
+ bzero_phys((addr64_t)(i386_ptob(pn) + offset), len);
}
/*
*/
void
pmap_copy_part_page(
- vm_offset_t src,
+ ppnum_t psrc,
vm_offset_t src_offset,
- vm_offset_t dst,
+ ppnum_t pdst,
vm_offset_t dst_offset,
vm_size_t len)
{
- assert(src != vm_page_fictitious_addr);
- assert(dst != vm_page_fictitious_addr);
- assert(((dst & PAGE_MASK) + dst_offset + len) <= PAGE_SIZE);
- assert(((src & PAGE_MASK) + src_offset + len) <= PAGE_SIZE);
+ 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((((uint32_t)dst & PAGE_MASK) + dst_offset + len) <= PAGE_SIZE);
+ assert((((uint32_t)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);
}
/*
*/
void
pmap_copy_part_lpage(
- vm_offset_t src,
- vm_offset_t dst,
+ vm_offset_t src,
+ ppnum_t pdst,
vm_offset_t dst_offset,
vm_size_t len)
{
- assert(src != vm_page_fictitious_addr);
- assert(dst != vm_page_fictitious_addr);
- assert(((dst & PAGE_MASK) + dst_offset + len) <= PAGE_SIZE);
+ mapwindow_t *map;
+
+ assert(pdst != vm_page_fictitious_addr);
+ assert(pdst != vm_page_guard_addr);
+ assert((dst_offset + len) <= PAGE_SIZE);
+
+ mp_disable_preemption();
+
+ map = pmap_get_mapwindow(INTEL_PTE_VALID | INTEL_PTE_RW | (i386_ptob(pdst) & PG_FRAME) |
+ INTEL_PTE_REF | INTEL_PTE_MOD);
- memcpy((void *)(phystokv(dst) + dst_offset), (void *)src, len);
+ memcpy((void *) (map->prv_CADDR + (dst_offset & INTEL_OFFMASK)), (void *) src, len);
+
+ pmap_put_mapwindow(map);
+
+ mp_enable_preemption();
}
/*
*/
void
pmap_copy_part_rpage(
- vm_offset_t src,
+ ppnum_t psrc,
vm_offset_t src_offset,
vm_offset_t dst,
vm_size_t len)
{
- assert(src != vm_page_fictitious_addr);
- assert(dst != vm_page_fictitious_addr);
- assert(((src & PAGE_MASK) + src_offset + len) <= PAGE_SIZE);
+ mapwindow_t *map;
+
+ assert(psrc != vm_page_fictitious_addr);
+ assert(psrc != vm_page_guard_addr);
+ assert((src_offset + len) <= PAGE_SIZE);
+
+ mp_disable_preemption();
- memcpy((void *)dst, (void *)(phystokv(src) + src_offset), len);
+ map = pmap_get_mapwindow(INTEL_PTE_VALID | INTEL_PTE_RW | (i386_ptob(psrc) & PG_FRAME) |
+ INTEL_PTE_REF);
+
+ memcpy((void *) dst, (void *) (map->prv_CADDR + (src_offset & INTEL_OFFMASK)), len);
+
+ pmap_put_mapwindow(map);
+
+ mp_enable_preemption();
}
/*
*
* Convert a kernel virtual address to a physical address
*/
-vm_offset_t
+addr64_t
kvtophys(
vm_offset_t addr)
{
- pt_entry_t *pte;
+ pt_entry_t *ptep;
+ pmap_paddr_t pa;
+
+ mp_disable_preemption();
+ if ((ptep = pmap_pte(kernel_pmap, (vm_map_offset_t)addr)) == PT_ENTRY_NULL) {
+ pa = 0;
+ } else {
+ pa = pte_to_pa(*ptep) | (addr & INTEL_OFFMASK);
+ }
+ mp_enable_preemption_no_check();
- if ((pte = pmap_pte(kernel_pmap, addr)) == PT_ENTRY_NULL)
- return 0;
- return i386_trunc_page(*pte) | (addr & INTEL_OFFMASK);
+ return ((addr64_t)pa);
}
+
projects / apple / xnu.git / blobdiff