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ARM pbl: Provide a dummy error function for the decompressor 

We can't do anything useful in the error function, so we just hang.
This has the advantage that at least when a JTAG debugger is connected
we can see what happens. Otherwise the code just jumps to NULL in case
of an error.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2012-10-02 14:54:17 +02:00
parent 93fbc1ce22
commit a86824b5ac
1 changed files with 6 additions and 1 deletions
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7
arch/arm/cpu/start-pbl.c
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@ -128,6 +128,11 @@ static void mmu_disable(void)
__mmu_cache_off();
}
void noinline errorfn(char *error)
{
while (1);
}
static void barebox_uncompress(void *compressed_start, unsigned int len)
{
void (*barebox)(void);
@ -154,7 +159,7 @@ static void barebox_uncompress(void *compressed_start, unsigned int len)
decompress((void *)compressed_start,
len,
NULL, NULL,
(void *)TEXT_BASE, NULL, NULL);
(void *)TEXT_BASE, NULL, errorfn);
if (use_mmu)
mmu_disable();