From: Matthew Leach Date: Fri, 11 Oct 2013 13:52:15 +0000 (+0100) Subject: arm64: asm: add CPU_LE & CPU_BE assembler helpers X-Git-Tag: upstream/snapshot3+hdmi~4051^2~22 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e68bedaa03c950ae8045e7899e7a6b2a97d1bf41;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git arm64: asm: add CPU_LE & CPU_BE assembler helpers Add CPU_LE and CPU_BE to select assembler code in little and big endian configurations respectively. Signed-off-by: Matthew Leach Signed-off-by: Catalin Marinas --- diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 381b935..fd3e392 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -115,6 +115,25 @@ lr .req x30 // link register .align 7 b \label .endm + +/* + * Select code when configured for BE. + */ +#ifdef CONFIG_CPU_BIG_ENDIAN +#define CPU_BE(code...) code +#else +#define CPU_BE(code...) +#endif + +/* + * Select code when configured for LE. + */ +#ifdef CONFIG_CPU_BIG_ENDIAN +#define CPU_LE(code...) +#else +#define CPU_LE(code...) code +#endif + /* * Define a macro that constructs a 64-bit value by concatenating two * 32-bit registers. Note that on big endian systems the order of the