diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-13 20:38:48 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-15 01:13:29 +0200 |
| commit | 2bda347bc53fe2cacd5621d8a0426840a8d2a6a6 (patch) | |
| tree | 8000b78bf3a648115c916eb75cae12cd2eda415f | |
| parent | powerpc: Fix link errors on 32-bit machines using legacy DMA (diff) | |
| download | linux-2bda347bc53fe2cacd5621d8a0426840a8d2a6a6.tar.xz linux-2bda347bc53fe2cacd5621d8a0426840a8d2a6a6.zip | |
powerpc: Fix 32-bit SMP boot on CHRP
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 <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index a6de6dbc5ed8..0c326823c6d4 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -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 |