37 lines
		
	
	
	
		
			591 B
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
		
		
			
		
	
	
			37 lines
		
	
	
	
		
			591 B
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
|   | #include <linux/linkage.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 | ||
|  | 	mov pc, 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 | ||
|  | 	mov pc, lr | ||
|  | ENDPROC(__bswapdi2) | ||
|  | #endif |