powerpc: Add CONFIG_PPC64_ELF_ABI_V1 and CONFIG_PPC64_ELF_ABI_V2

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At the time being, we use CONFIG_CPU_LITTLE_ENDIAN and
CONFIG_CPU_BIG_ENDIAN to pass -mabi=elfv1 or elfv2 to
compiler, then define a PPC64_ELF_ABI_v1 or PPC64_ELF_ABI_v2
macro in asm/types.h based on _CALL_ELF define set by the compiler.

Make it more straight forward with a CONFIG option that
is directly usable.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1eca1addbc550167da9841c7340a010d0c4b2200.1652074503.git.christophe.leroy@csgroup.eu

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This commit is contained in:

Christophe Leroy 2022-05-09 07:36:06 +02:00 • committed by Michael Ellerman

parent bbffdd2fc7

commit 661aa88039

3 changed files with 13 additions and 5 deletions

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10

arch/powerpc/Makefile

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2

arch/powerpc/boot/Makefile

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6

arch/powerpc/platforms/Kconfig.cputype

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