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-rw-r--r--82802ab.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/82802ab.c b/82802ab.c
index c5cf52f4..1dc997fa 100644
--- a/82802ab.c
+++ b/82802ab.c
@@ -27,6 +27,7 @@
*/
#include <string.h>
+#include <stdlib.h>
#include "flash.h"
// I need that Berkeley bit-map printer
@@ -172,7 +173,12 @@ int write_82802ab(struct flashchip *flash, uint8_t *buf)
int total_size = flash->total_size * 1024;
int page_size = flash->page_size;
chipaddr bios = flash->virtual_memory;
+ uint8_t *tmpbuf = malloc(page_size);
+ if (!tmpbuf) {
+ printf("Could not allocate memory!\n");
+ exit(1);
+ }
printf("Programming page: \n");
for (i = 0; i < total_size / page_size; i++) {
printf
@@ -186,8 +192,8 @@ int write_82802ab(struct flashchip *flash, uint8_t *buf)
* or not erased and rewritten; their data is retained also in
* sudden power off situations
*/
- if (!memcmp((void *)(buf + i * page_size),
- (void *)(bios + i * page_size), page_size)) {
+ chip_readn(tmpbuf, bios + i * page_size, page_size);
+ if (!memcmp((void *)(buf + i * page_size), tmpbuf, page_size)) {
printf("SKIPPED\n");
continue;
}
@@ -199,6 +205,7 @@ int write_82802ab(struct flashchip *flash, uint8_t *buf)
}
printf("\n");
protect_jedec(bios);
+ free(tmpbuf);
return 0;
}