They come from the same header in Linux. They are used to conditional select code on different endianness.
Signed-off-by: Jiaxun Yang jiaxun.yang@flygoat.com --- arch/arm/include/asm/assembler.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index c3b8f34dd0af..2a3858d15d4e 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -93,4 +93,22 @@ #define CALGN(code...) code #endif
+/* + * Select code when configured for BE. + */ +#if CONFIG_IS_ENABLED(SYS_BIG_ENDIAN) +#define CPU_BE(code...) code +#else +#define CPU_BE(code...) +#endif + +/* + * Select code when configured for LE. + */ +#if CONFIG_IS_ENABLED(SYS_BIG_ENDIAN) +#define CPU_LE(code...) +#else +#define CPU_LE(code...) code +#endif + #endif