39 lines
649 B
ArmAsm
Executable file
39 lines
649 B
ArmAsm
Executable file
/* 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
|