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Ignore the reset cookie when rockbox has been flashed.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10466 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2006-08-06 10:18:06 +00:00
parent d2d55dae76
commit 3b4932a27b
1 changed files with 9 additions and 1 deletions
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8
firmware/crt0.S
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@ -594,6 +594,13 @@ irq_handler:
#endif #endif
#ifdef BOOTLOADER #ifdef BOOTLOADER
/* Check if original firmware is still present */
lea 0x00001000,%a2
move.l (%a2),%d0
move.l #0xfbfbfbf1,%d1
cmp.l %d0,%d1
beq.b .ignorecookie
/* The cookie is not reset. This must mean that the boot loader /* The cookie is not reset. This must mean that the boot loader
has crashed. Let's start the original firmware immediately. */ has crashed. Let's start the original firmware immediately. */
lea 0x10017ffc,%a2 lea 0x10017ffc,%a2
@ -608,6 +615,7 @@ irq_handler:
.nocookie: .nocookie:
/* Set the cookie */ /* Set the cookie */
move.l %d1,(%a2) move.l %d1,(%a2)
.ignorecookie:
/* Set up the DRAM controller. The refresh is based on the 11.2896MHz /* Set up the DRAM controller. The refresh is based on the 11.2896MHz
clock (5.6448MHz bus frequency). We haven't yet started the PLL */ clock (5.6448MHz bus frequency). We haven't yet started the PLL */