i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Renamed vm.c to vm.cpp and made all the changes to let it compile without

Browse Source 
errors. Also made the VM headers C++ safe.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12694 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2005-05-16 23:17:45 +00:00
parent 8f8d46a3ff
commit 62d6961672
5 changed files with 73 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files
headers/private/kernel/vm_priv.h
+9
View File
@@ -38,6 +38,11 @@
#define PAGE_ACCESSED 0x2000
#define PAGE_PRESENT 0x4000
#ifdef __cplusplus
extern "C" {
#endif
// Should only be used by vm internals
status_t vm_page_fault(addr_t address, addr_t faultAddress, bool isWrite, bool isUser, addr_t *newip);
void vm_unreserve_memory(size_t bytes);
@@ -51,5 +56,9 @@ vm_address_space *vm_aspace_walk_next(struct hash_iterator *i);
// allocates memory from the kernel_args structure
addr_t vm_alloc_from_kernel_args(kernel_args *args, size_t size, uint32 lock);
#ifdef __cplusplus
}
#endif
#endif /* _KERNEL_VM_PRIV_H */
headers/private/kernel/vm_store_device.h
+14 -7
View File
@@ -1,13 +1,20 @@
/*
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
/*
* Copyright 2005, Axel Dörfler, [email protected].
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_VM_STORE_DEVICE_H
#define _KERNEL_VM_STORE_DEVICE_H
#include <kernel.h>
#include <vm.h>
#include <vm_types.h>
#ifdef __cplusplus
extern "C"
#endif
vm_store *vm_store_create_device(addr_t base_addr);
#endif
#endif /* _KERNEL_VM_STORE_DEVICE_H */
headers/private/kernel/vm_store_null.h
+13 -7
View File
@@ -1,14 +1,20 @@
/*
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
* Copyright 2005, Axel Dörfler, [email protected].
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_VM_STORE_NULL_H
#define _KERNEL_VM_STORE_NULL_H
#include <kernel.h>
#include <vm.h>
#include <vm_types.h>
#ifdef __cplusplus
extern "C"
#endif
vm_store *vm_store_create_null(void);
#endif
#endif /* _KERNEL_VM_STORE_NULL_H */
src/system/kernel/vm/Jamfile
+1 -1
View File
@@ -1,7 +1,7 @@
SubDir OBOS_TOP src system kernel vm ;
KernelMergeObject kernel_vm.o :
vm.c
vm.cpp
vm_address_space.c
vm_cache.c
vm_daemons.c
src/system/kernel/vm/vm.c → src/system/kernel/vm/vm.cpp
+36 -33
View File
@@ -58,7 +58,7 @@ extern vm_address_space *kernel_aspace;
#define REGION_HASH_TABLE_SIZE 1024
static area_id sNextAreaID;
static void *sAreaHash;
static hash_table *sAreaHash;
static sem_id sAreaHashLock;
static off_t sAvailableMemory;
@@ -74,12 +74,12 @@ static bool vm_put_area(vm_area *area);
static int
area_compare(void *_r, const void *key)
area_compare(void *_area, const void *key)
{
vm_area *r = _r;
const area_id *id = key;
vm_area *area = (vm_area *)_area;
const area_id *id = (const area_id *)key;
if (r->id == *id)
if (area->id == *id)
return 0;
return -1;
@@ -87,13 +87,13 @@ area_compare(void *_r, const void *key)
static uint32
area_hash(void *_r, const void *key, uint32 range)
area_hash(void *_area, const void *key, uint32 range)
{
vm_area *r = _r;
const area_id *id = key;
vm_area *area = (vm_area *)_area;
const area_id *id = (const area_id *)key;
if (r != NULL)
return r->id % range;
if (area != NULL)
return area->id % range;
return *id % range;
}
@@ -106,8 +106,8 @@ vm_get_area(area_id id)
acquire_sem_etc(sAreaHashLock, READ_COUNT, 0, 0);
area = hash_lookup(sAreaHash, &id);
if (area)
area = (vm_area *)hash_lookup(sAreaHash, &id);
if (area != NULL)
atomic_add(&area->ref_count, 1);
release_sem_etc(sAreaHashLock, READ_COUNT, 0);
@@ -119,7 +119,7 @@ vm_get_area(area_id id)
static vm_area *
_vm_create_reserved_region_struct(vm_virtual_map *map, uint32 flags)
{
vm_area *reserved = malloc(sizeof(vm_area));
vm_area *reserved = (vm_area *)malloc(sizeof(vm_area));
if (reserved == NULL)
return NULL;
@@ -652,7 +652,8 @@ out:
status_t
vm_reserve_address_range(aspace_id aid, void **_address, uint32 addressSpec, addr_t size, uint32 flags)
vm_reserve_address_range(aspace_id aid, void **_address, uint32 addressSpec,
addr_t size, uint32 flags)
{
vm_address_space *addressSpace;
vm_area *area;
@@ -1633,7 +1634,7 @@ display_mem(int argc, char **argv)
}
dprintf("[0x%lx] '", address);
for (j = 0; j < min(display_width, num) * item_size; j++) {
for (j = 0; j < min_c(display_width, num) * item_size; j++) {
char c = *((char *)address + j);
if (!isalnum(c)) {
c = '.';
@@ -1644,7 +1645,7 @@ display_mem(int argc, char **argv)
for (i = 0; i < num; i++) {
if ((i % display_width) == 0 && i != 0) {
dprintf("\n[0x%lx] '", address + i * item_size);
for (j = 0; j < min(display_width, (num-i)) * item_size; j++) {
for (j = 0; j < min_c(display_width, (num-i)) * item_size; j++) {
char c = *((char *)address + i * item_size + j);
if (!isalnum(c)) {
c = '.';
@@ -1760,18 +1761,20 @@ dump_cache(int argc, char **argv)
dprintf("store: %p\n", cache->store);
// XXX 64-bit
dprintf("virtual_size: 0x%Lx\n", cache->virtual_size);
dprintf("temporary: %d\n", cache->temporary);
dprintf("scan_skip: %d\n", cache->scan_skip);
dprintf("temporary: %ld\n", cache->temporary);
dprintf("scan_skip: %ld\n", cache->scan_skip);
dprintf("page_list:\n");
for(page = cache->page_list; page != NULL; page = page->cache_next) {
for (page = cache->page_list; page != NULL; page = page->cache_next) {
// XXX offset is 64-bit
if(page->type == PAGE_TYPE_PHYSICAL)
dprintf(" %p ppn 0x%lx offset 0x%Lx type %d state %d (%s) ref_count %ld\n",
page, page->ppn, page->offset, page->type, page->state, page_state_to_text(page->state), page->ref_count);
else if(page->type == PAGE_TYPE_DUMMY)
dprintf(" %p DUMMY PAGE state %d (%s)\n", page, page->state, page_state_to_text(page->state));
else
dprintf(" %p UNKNOWN PAGE type %d\n", page, page->type);
if (page->type == PAGE_TYPE_PHYSICAL) {
dprintf(" %p ppn 0x%lx offset 0x%Lx type %ld state %ld (%s) ref_count %ld\n",
page, page->ppn, page->offset, page->type, page->state,
page_state_to_text(page->state), page->ref_count);
} else if(page->type == PAGE_TYPE_DUMMY) {
dprintf(" %p DUMMY PAGE state %ld (%s)\n",
page, page->state, page_state_to_text(page->state));
} else
dprintf(" %p UNKNOWN PAGE type %ld\n", page, page->type);
}
return 0;
}
@@ -1809,10 +1812,10 @@ dump_area(int argc, char **argv)
// if the argument looks like a hex number, treat it as such
if (strlen(argv[1]) > 2 && argv[1][0] == '0' && argv[1][1] == 'x') {
unsigned long num = strtoul(argv[1], NULL, 16);
uint32 num = strtoul(argv[1], NULL, 16);
area_id id = num;
area = hash_lookup(sAreaHash, &id);
area = (vm_area *)hash_lookup(sAreaHash, &id);
if (area == NULL) {
dprintf("invalid area id\n");
} else {
@@ -1824,7 +1827,7 @@ dump_area(int argc, char **argv)
struct hash_iterator iter;
hash_open(sAreaHash, &iter);
while ((area = hash_next(sAreaHash, &iter)) != NULL) {
while ((area = (vm_area *)hash_next(sAreaHash, &iter)) != NULL) {
if (area->name != NULL && strcmp(argv[1], area->name) == 0) {
_dump_area(area);
}
@@ -1843,7 +1846,7 @@ dump_area_list(int argc, char **argv)
dprintf("addr\t id base\t\tsize\t\tprotect\tlock\tname\n");
hash_open(sAreaHash, &iter);
while ((area = hash_next(sAreaHash, &iter)) != NULL) {
while ((area = (vm_area *)hash_next(sAreaHash, &iter)) != NULL) {
dprintf("%p %5lx %p\t%p\t%ld\t%ld\t%s\n", area, area->id, (void *)area->base,
(void *)area->size, area->protection, area->wiring, area->name);
}
@@ -2863,7 +2866,7 @@ get_memory_map(const void *address, ulong numBytes, physical_entry *table, long
(*addressSpace->translation_map.ops->lock)(&addressSpace->translation_map);
while (offset < numBytes) {
addr_t bytes = min(numBytes - offset, B_PAGE_SIZE);
addr_t bytes = min_c(numBytes - offset, B_PAGE_SIZE);
status = (*addressSpace->translation_map.ops->query)(&addressSpace->translation_map,
(addr_t)address + offset, &physicalAddress, &flags);
@@ -2929,7 +2932,7 @@ find_area(const char *name)
acquire_sem_etc(sAreaHashLock, READ_COUNT, 0, 0);
hash_open(sAreaHash, &iterator);
while ((area = hash_next(sAreaHash, &iterator)) != NULL) {
while ((area = (vm_area *)hash_next(sAreaHash, &iterator)) != NULL) {
if (area->id == RESERVED_AREA_ID)
continue;
@@ -3321,7 +3324,7 @@ delete_area(area_id area)
status_t
_user_init_heap_address_range(addr_t base, addr_t size)
{
return vm_reserve_address_range(vm_get_current_user_aspace_id(), (void *)&base,
return vm_reserve_address_range(vm_get_current_user_aspace_id(), (void **)&base,
B_EXACT_ADDRESS, size, RESERVED_AVOID_BASE);
}