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types.h: Add arch_uint_ptr to make comparing native pointer types easier

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This commit is contained in:
Aaron Lindsay
2012-11-15 00:27:49 -05:00
parent a1fb385d97
commit ccd5a9025a
5 changed files with 12 additions and 8 deletions
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2
kernel/atags.c
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@ -20,7 +20,7 @@
#include <atags.h>
extern uint32 atags_ptr;
extern arch_uint_ptr atags_ptr;
int atag_valid(struct atag *a) {
switch (a->tag) {

11
kernel/mm.c
View File

@ -21,6 +21,7 @@
#include <list.h>
#include <mm.h>
#include <print.h>
#include <types.h>
struct dlist_node mm_free_page_list;
@ -56,13 +57,13 @@ void mm_add_free_region(void *start, void *end) {
start = (char *)start + MM_PAGE_SIZE;
//make sure both start and end address are aligned to the size of a page
if ((unsigned int)start % MM_PAGE_SIZE != 0)
start = (char*)start + (MM_PAGE_SIZE - ((unsigned int)start % MM_PAGE_SIZE));
if (((unsigned int)end + 1) % MM_PAGE_SIZE != 0)
end = (char*)end - ((unsigned int)end + 1) % MM_PAGE_SIZE;
if ((arch_uint_ptr)start % MM_PAGE_SIZE != 0)
start = (char*)start + (MM_PAGE_SIZE - ((arch_uint_ptr)start % MM_PAGE_SIZE));
if (((arch_uint_ptr)end + 1) % MM_PAGE_SIZE != 0)
end = (char*)end - ((arch_uint_ptr)end + 1) % MM_PAGE_SIZE;
if ((char *)end + 1 - (char *)start < MM_PAGE_SIZE<<1) {
print("Error: Supplied memory area(%x,%x) is smaller than the page size (%d)\n", (unsigned int)start, (unsigned int)end, MM_PAGE_SIZE);
print("Error: Supplied memory area(%x,%x) is smaller than the page size (%d)\n", (arch_uint_ptr)start, (arch_uint_ptr)end, MM_PAGE_SIZE);
return;
}