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[POWERPC] bootwrapper: Allow platforms to call library zImage_start

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Some platforms might need to run some code before the zImage start, but
could otherwise use the bss clear and relocation code.   Export the
start address strongly as zImage_start_lib.

Signed-off-by: Milton Miller <miltonm@bga.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Milton Miller
2007-03-21 09:02:53 -06:00
committed by Paul Mackerras
parent 6a923216aa
commit 160cc3ece7
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/boot/crt0.S
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@@ -19,6 +19,8 @@ _zimage_start_opd:
.weak _zimage_start .weak _zimage_start
.globl _zimage_start .globl _zimage_start
_zimage_start: _zimage_start:
.globl _zimage_start_lib
_zimage_start_lib:
/* Work out the offset between the address we were linked at /* Work out the offset between the address we were linked at
and the address where we're running. */ and the address where we're running. */
bl 1f bl 1f