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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-19 17:44:51 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-20 15:53:24 +1000 |
| commit | e550592e689cf8d682937f356497f989f3d88292 (patch) | |
| tree | 9cd89cd8c4056403e180c24ac8140cf8f2a1ca8f /arch/powerpc/kernel | |
| parent | 781fb7a3e4cdca28236ae23e2c77070ed3ae531f (diff) | |
powerpc/powernv: Don't clobber r9 in relative_toc()
With OPAL, r8 and r9 will be used to pass the OPAL base and entry
for debugging purposes (those informations are also in the
device-tree). We don't want to clobber those registers that
early.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 3564c49c683..e708abe576d 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -674,9 +674,9 @@ _GLOBAL(enable_64b_mode) _GLOBAL(relative_toc) mflr r0 bcl 20,31,$+4 -0: mflr r9 - ld r2,(p_toc - 0b)(r9) - add r2,r2,r9 +0: mflr r11 + ld r2,(p_toc - 0b)(r11) + add r2,r2,r11 mtlr r0 blr |