lots of progress, including readonly PATA driver and part of FAT16 driver

1 files changed, 5 insertions, 5 deletions

diff --git a/src/kernel/util.c b/src/kernel/util.c
index 1531f83..29d7e3f 100644
--- a/src/kernel/util.c
+++ b/src/kernel/util.c
@@ -1,10 +1,10 @@
-#include <stdint.h>
-#include "panic.h"
 #include <stdbool.h>
+#include <stdint.h>
 #include "drive.h"
 
-void memcpy(void *to, void *from, uint32_t n) {
-  uint32_t *tp = to, *fp = from;
+void memcpy(void *to, const void *from, uint32_t n) {
+  uint32_t *tp = to;
+  const uint32_t *fp = from;
   while (n >= 4) {
     *(tp++) = *(fp++);
     n -= 4;
@@ -14,7 +14,7 @@ void memcpy(void *to, void *from, uint32_t n) {
     *(tpp++) = *(fpp++);
 }
 
-void fmcpy(void *to, struct drive *d, drive_file_id_t f, uint32_t from, uint32_t n) {
+void fmcpy(void *to, const struct drive *d, drive_file_id_t f, uint32_t from, uint32_t n) {
   uint8_t buf[512];
   d->load_sector(d, f, from >> 9, buf);
   uint16_t from_low = from & 511;