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ppc64: make sure to align stack pointer to 16 bytes at boot

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yaboot is scrogged and calls us with an invalid stack alignment,
it seems.

Thanks to David Woodhouse to pointing me to the problem.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds 2006-03-04 15:00:45 -08:00
parent 3af1efe8a3
commit c05b477045
1 changed files with 3 additions and 0 deletions
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3
arch/powerpc/kernel/head_64.S
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@ -1537,6 +1537,9 @@ _STATIC(__boot_from_prom)
mr r28,r6
mr r27,r7
/* Align the stack to 16-byte boundary for broken yaboot */
rldicr r1,r1,0,59
/* Make sure we are running in 64 bits mode */
bl .enable_64b_mode