Automatically enter bootrom when OS image doesn't appear to be proper

2010-01-16 06:10:04 +00:00
parent 044a375b95
commit 4fdefea801
1 changed files with 2 additions and 0 deletions
--- a/bootrom/bootrom.c
+++ b/bootrom/bootrom.c
@@ -297,6 +297,8 @@ void BootROM(void)
 	    flash_mode(1);
    } else if(BUTTON_PRESS()) {
 	    flash_mode(0);
+    } else if(*(uint32_t*)&_osimage_entry == 0xffffffffU) {
+	    flash_mode(1);
    } else {
 	    // jump to Flash address of the osimage entry point (LSBit set for thumb mode)
 	    asm("bx %0\n" : : "r" ( ((int)&_osimage_entry) | 0x1 ) );