/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>

#if __LINUX_ARM_ARCH__ >= 6
ENTRY(__bswapsi2)
        rev r0, r0
        bx lr
ENDPROC(__bswapsi2)

ENTRY(__bswapdi2)
        rev r3, r0
        rev r0, r1
        mov r1, r3
        bx lr
ENDPROC(__bswapdi2)
#else
ENTRY(__bswapsi2)
        eor r3, r0, r0, ror #16
        mov r3, r3, lsr #8
        bic r3, r3, #0xff00
        eor r0, r3, r0, ror #8
        ret lr
ENDPROC(__bswapsi2)

ENTRY(__bswapdi2)
        mov ip, r1
        eor r3, ip, ip, ror #16
        eor r1, r0, r0, ror #16
        mov r1, r1, lsr #8
        mov r3, r3, lsr #8
        bic r3, r3, #0xff00
        bic r1, r1, #0xff00
        eor r1, r1, r0, ror #8
        eor r0, r3, ip, ror #8
        ret lr
ENDPROC(__bswapdi2)
#endif