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

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