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The KDL command "page" can now also look up the physical page behind a virtual address.

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The "lookup" option has been removed, there is now a "-p" for a physical address, and
"-v" for a virtual address.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20016 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-01-30 12:03:04 +00:00
parent 0fcdce9097
commit 53d43e3f52
1 changed files with 24 additions and 5 deletions
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29
src/system/kernel/vm/vm_page.c
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@ -12,7 +12,9 @@
#include <kernel.h>
#include <arch/cpu.h>
#include <thread.h>
#include <vm.h>
#include <vm_address_space.h>
#include <vm_priv.h>
#include <vm_page.h>
#include <vm_cache.h>
@ -875,24 +877,41 @@ dump_page(int argc, char **argv)
{
struct vm_page *page;
addr_t address;
bool physical = false;
int32 index = 1;
if (argc > 2 && !strncmp(argv[1], "lookup", strlen(argv[1])))
index++;
if (argc > 2) {
if (!strcmp(argv[1], "-p")) {
physical = true;
index++;
} else if (!strcmp(argv[1], "-v"))
index++;
}
if (argc < 2
|| strlen(argv[index]) <= 2
|| argv[index][0] != '0'
|| argv[index][1] != 'x') {
kprintf("usage: page [lookup] <address>\n");
kprintf("usage: page [-p|-v] <address>\n"
" -v looks up a virtual address for the page, -p a physical address.\n"
" Default is to look for the page structure address directly\n.");
return 0;
}
address = strtoul(argv[index], NULL, 0);
if (index == 2)
if (index == 2) {
if (!physical) {
vm_address_space *addressSpace = vm_kernel_address_space();
if (thread_get_current_thread()->team->address_space != NULL)
addressSpace = thread_get_current_thread()->team->address_space;
addressSpace->translation_map.ops->query_interrupt(
&addressSpace->translation_map, address, &address);
}
page = vm_lookup_page(address / B_PAGE_SIZE);
else
} else
page = (struct vm_page *)address;
kprintf("PAGE: %p\n", page);