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[ARM] Fix SMP booting

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Processor support files now use r6 in their CPU setup code, so
we can't rely on r6 being preserved.  Use r7 instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-07-26 18:57:40 +01:00 committed by Russell King
parent d8ca3d11c6
commit 34d9262665
1 changed files with 3 additions and 3 deletions
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6
arch/arm/kernel/head.S
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@ -114,9 +114,9 @@ ENTRY(secondary_startup)
* Use the page tables supplied from __cpu_up.
*/
adr r4, __secondary_data
ldmia r4, {r5, r6, r13} @ address to jump to after
ldmia r4, {r5, r7, r13} @ address to jump to after
sub r4, r4, r5 @ mmu has been enabled
ldr r4, [r6, r4] @ get secondary_data.pgdir
ldr r4, [r7, r4] @ get secondary_data.pgdir
adr lr, __enable_mmu @ return address
add pc, r10, #12 @ initialise processor
@ (return control reg)
@ -125,7 +125,7 @@ ENTRY(secondary_startup)
* r6 = &secondary_data
*/
ENTRY(__secondary_switched)
ldr sp, [r6, #4] @ get secondary_data.stack
ldr sp, [r7, #4] @ get secondary_data.stack
mov fp, #0
b secondary_start_kernel