Files
mango/sandbox/vm/vm_zone.c

41 lines
944 B
C

#include <socks/types.h>
#include <socks/vm.h>
#include <string.h>
#include <stdio.h>
#include <inttypes.h>
void vm_zone_init(vm_zone_t *z, const char *name, uintptr_t base, uintptr_t limit)
{
memset(z, 0x0, sizeof *z);
z->z_name = name;
phys_addr_t block_start = 0;
int last_page_reserved = -1;
for (uintptr_t i = base; i < limit; i += VM_PAGE_SIZE) {
vm_page_t *pg = vm_page_get(i);
if (!pg) {
break;
}
int this_page_reserved = (pg->p_flags & VM_PAGE_RESERVED) ? 1 : 0;
if (last_page_reserved == -1) {
last_page_reserved = this_page_reserved;
}
if (this_page_reserved == last_page_reserved) {
continue;
}
printf("%s: %zu %s pages at %" PRIxPTR "\n",
name,
(i - block_start) / VM_PAGE_SIZE,
this_page_reserved == 1 ? "reserved" : "free",
block_start);
block_start = i;
vm_page_order_t order = VM_PAGE_MAX_ORDER;
last_page_reserved = this_page_reserved;
}
}