Replace constants in imgdrv by searching instead of hardcoded offsets

ps2homebrew · Jun 20, 2021 · 6f673c2 · 6f673c2
1 parent 770dd62
commit 6f673c2
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/ee_core/src/iopmgr.c b/ee_core/src/iopmgr.c
@@ -20,6 +20,7 @@ extern int _iop_reboot_count;
 
 static void ResetIopSpecial(const char *args, unsigned int arglen)
 {
+    int i;
     void *pIOP_buffer, *IOPRP_img, *imgdrv_irx;
     unsigned int length_rounded, CommandLen, size_IOPRP_img, size_imgdrv_irx;
     char command[RESET_ARG_MAX + 1];
@@ -44,8 +45,14 @@ static void ResetIopSpecial(const char *args, unsigned int arglen)
 
     CopyToIop(IOPRP_img, length_rounded, pIOP_buffer);
 
-    *(void **)(UNCACHED_SEG(&((unsigned char *)imgdrv_irx)[0x180])) = pIOP_buffer;
-    *(u32 *)(UNCACHED_SEG(&((unsigned char *)imgdrv_irx)[0x184])) = size_IOPRP_img;
+    for (i = 0; i < size_imgdrv_irx; i += 4) {
+        if (*(u32 *)((&((unsigned char *)imgdrv_irx)[i])) == 0xDEC1DEC1) {
+            *(void **)(UNCACHED_SEG(&((unsigned char *)imgdrv_irx)[i])) = pIOP_buffer;
+        }
+        if (*(u32 *)((&((unsigned char *)imgdrv_irx)[i])) == 0xDEC2DEC2) {
+            *(u32 *)(UNCACHED_SEG(&((unsigned char *)imgdrv_irx)[i])) = size_IOPRP_img;
+        }
+    }
 
     LoadMemModule(0, imgdrv_irx, size_imgdrv_irx, 0, NULL);