diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2013-05-13 00:23:38 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-05-14 16:00:17 +1000 |
| commit | ca9d7aea5952c5e90bfe28ed738a7e962c0adad2 (patch) | |
| tree | 5e8cdcf9447c2263219eaa7f0b4f5ad7fd176ee7 /arch/powerpc/kernel/misc_64.S | |
| parent | b2b48584dfc69a5ebc70ee7976524d7122e5df5f (diff) | |
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_64.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_64.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 5cfa8008693..6820e45f557 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -234,6 +234,17 @@ _GLOBAL(__flush_dcache_icache) isync blr +_GLOBAL(__bswapdi2) + srdi r8,r3,32 + rlwinm r7,r3,8,0xffffffff + rlwimi r7,r3,24,0,7 + rlwinm r9,r8,8,0xffffffff + rlwimi r7,r3,24,16,23 + rlwimi r9,r8,24,0,7 + rlwimi r9,r8,24,16,23 + sldi r7,r7,32 + or r3,r7,r9 + blr #if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) /* |