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| author | David Woodhouse <David.Woodhouse@intel.com> | 2013-05-13 02:23:38 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-05-14 08:00:17 +0200 |
| commit | ca9d7aea5952c5e90bfe28ed738a7e962c0adad2 (patch) | |
| tree | 5e8cdcf9447c2263219eaa7f0b4f5ad7fd176ee7 /arch/powerpc/kernel/misc_32.S | |
| parent | powerpc/powernv: Fix starting of secondary CPUs on OPALv2 and v3 (diff) | |
| download | linux-ca9d7aea5952c5e90bfe28ed738a7e962c0adad2.tar.xz linux-ca9d7aea5952c5e90bfe28ed738a7e962c0adad2.zip | |
powerpc: Provide __bswapdi2
Some versions of GCC apparently expect this to be provided by libgcc.
Updates from Mikey to fix 32 bit version and adding "r" to registers.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/misc_32.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 19e096bd0e73..e469f30e6eeb 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -657,6 +657,17 @@ _GLOBAL(__ucmpdi2) li r3,2 blr +_GLOBAL(__bswapdi2) + rotlwi r9,r4,8 + rotlwi r10,r3,8 + rlwimi r9,r4,24,0,7 + rlwimi r10,r3,24,0,7 + rlwimi r9,r4,24,16,23 + rlwimi r10,r3,24,16,23 + mr r3,r9 + mr r4,r10 + blr + _GLOBAL(abs) srawi r4,r3,31 xor r3,r3,r4 |