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| author | Siluxsept <ronny.horn.rh@gmail.com> | 2024-02-06 04:37:40 +0100 |
|---|---|---|
| committer | Siluxsept <ronny.horn.rh@gmail.com> | 2024-02-06 04:38:56 +0100 |
| commit | 8e8137ac800bdc27181743ec73d0e90e28b4e8af (patch) | |
| tree | 7e2fbc9d9e305e46414c21d08eeaeb1d56ccb0f0 /arch/arm/include/asm/assembler.h | |
| parent | 9c2f9bfc860f0cd6f2d3320b5f72a0f4adf24b25 (diff) | |
merge branch lineage-20 into t13.0t13.0
https: //github.com/LineageOS/android_kernel_google_redbull
Change-Id: I4a450eb794cc99abf711ad3b5b82946092be84ba
Diffstat (limited to 'arch/arm/include/asm/assembler.h')
| -rw-r--r-- | arch/arm/include/asm/assembler.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index c7fa0c0ff447..ceca29dac149 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -506,4 +506,21 @@ THUMB( orr \reg , \reg , #PSR_T_BIT ) #define _ASM_NOKPROBE(entry) #endif + /* + * rev_l - byte-swap a 32-bit value + * + * @val: source/destination register + * @tmp: scratch register + */ + .macro rev_l, val:req, tmp:req + .if __LINUX_ARM_ARCH__ < 6 + eor \tmp, \val, \val, ror #16 + bic \tmp, \tmp, #0x00ff0000 + mov \val, \val, ror #8 + eor \val, \val, \tmp, lsr #8 + .else + rev \val, \val + .endif + .endm + #endif /* __ASM_ASSEMBLER_H__ */ |