prom_init was changed to take a new argument, the address
where the kernel is loaded, which is now used to copy the
SMP spin loop down before use.
However, only head_64.S was adapted to pass this new value,
not head_32.S, thus breaking SMP boot on 32-bit SMP CHRP
machines.
Signed-off-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
---
arch/powerpc/kernel/head_32.S | 6 ++++++
1 file changed, 6 insertions(+)
--- linux-work.orig/arch/powerpc/kernel/head_32.S 2008-10-14
15:22:33.000000000 +1100
+++ linux-work/arch/powerpc/kernel/head_32.S 2008-10-14 15:23:58.000000000
+1100
@@ -110,6 +110,12 @@ __start:
#ifdef CONFIG_PPC_MULTIPLATFORM
cmpwi 0,r5,0
beq 1f
+
+ /* find out where we are now */
+ bcl 20,31,$+4
+0: mflr r8 /* r8 = runtime addr here */
+ addis r8,r8,(_stext - 0b)@ha
+ addi r8,r8,(_stext - 0b)@l /* current runtime base addr */
bl prom_init
trap
#endif
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