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Merge remote-tracking branch 'anton/abiv2' into next

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This series adds support for building the powerpc 64-bit
LE kernel using the new ABI v2. We already supported
running ABI v2 userspace programs but this adds support
for building the kernel itself using the new ABI.
This commit is contained in:
Benjamin Herrenschmidt
2014-05-05 20:33:10 +10:00
parent 5a4e58bc69 cec4b7eaf0
commit f6869e7fe6
55 changed files with 904 additions and 682 deletions
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10
arch/powerpc/lib/memcpy_64.S
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@@ -10,12 +10,12 @@
#include <asm/ppc_asm.h>
.align 7
_GLOBAL(memcpy)
_GLOBAL_TOC(memcpy)
BEGIN_FTR_SECTION
#ifdef __LITTLE_ENDIAN__
cmpdi cr7,r5,0
#else
std r3,48(r1) /* save destination pointer for return value */
std r3,-STACKFRAMESIZE+STK_REG(R31)(r1) /* save destination pointer for return value */
#endif
FTR_SECTION_ELSE
#ifndef SELFTEST
@@ -88,7 +88,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
2: bf cr7*4+3,3f
lbz r9,8(r4)
stb r9,0(r3)
3: ld r3,48(r1) /* return dest pointer */
3: ld r3,-STACKFRAMESIZE+STK_REG(R31)(r1) /* return dest pointer */
blr
.Lsrc_unaligned:
@@ -171,7 +171,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
2: bf cr7*4+3,3f
rotldi r9,r9,8
stb r9,0(r3)
3: ld r3,48(r1) /* return dest pointer */
3: ld r3,-STACKFRAMESIZE+STK_REG(R31)(r1) /* return dest pointer */
blr
.Ldst_unaligned:
@@ -216,6 +216,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
3: bf cr7*4+3,4f
lbz r0,0(r4)
stb r0,0(r3)
4: ld r3,48(r1) /* return dest pointer */
4: ld r3,-STACKFRAMESIZE+STK_REG(R31)(r1) /* return dest pointer */
blr
#endif