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

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henryk@ploetzli.ch 2010-01-16 06:10:04 +00:00
commit 4fdefea801
1 changed files with 2 additions and 0 deletions
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2
bootrom/bootrom.c
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@ -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 ) );