/*
* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @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. 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
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * 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. 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
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * 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_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
#include <i386/tss.h>
#include <i386/user_ldt.h>
#include <i386/fpu.h>
-#include <i386/iopb_entries.h>
#include <i386/misc_protos.h>
/*
ppnum_t pn)
{
assert(pn != vm_page_fictitious_addr);
+ assert(pn != vm_page_guard_addr);
bzero_phys((addr64_t)i386_ptob(pn), PAGE_SIZE);
}
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), len);
}
vm_offset_t dst_offset,
vm_size_t len)
{
- vm_offset_t src, dst;
+ pmap_paddr_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);
+ 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);
+
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)
{
- pt_entry_t *ptep;
- thread_t thr_act = current_thread();
+ mapwindow_t *map;
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;
+ 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 *) (map->prv_CADDR + (dst_offset & INTEL_OFFMASK)), (void *) src, len);
+
+ pmap_put_mapwindow(map);
+
+ mp_enable_preemption();
}
/*
vm_offset_t dst,
vm_size_t len)
{
- pt_entry_t *ptep;
- thread_t thr_act = current_thread();
+ mapwindow_t *map;
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;
+ assert(psrc != vm_page_guard_addr);
+ assert((src_offset + len) <= PAGE_SIZE);
+
+ mp_disable_preemption();
+
+ 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 *ptep;
pmap_paddr_t pa;
-
- if ((ptep = pmap_pte(kernel_pmap, addr)) == PT_ENTRY_NULL) {
+
+ 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);
}
- if (0 == pa)
- kprintf("kvtophys ret 0!\n");
- return (pa);
+ mp_enable_preemption_no_check();
+
+ return ((addr64_t)pa);
}
+
projects / apple / xnu.git / blobdiff