Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  linux/arch/arm/lib/io-writesw-armv4.S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (C) 1995-2000 Russell King
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/assembler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 		.macro	outword, rd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifndef __ARMEB__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 		strh	\rd, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		mov	\rd, \rd, lsr #16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		strh	\rd, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		mov	lr, \rd, lsr #16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		strh	lr, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		strh	\rd, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		.endm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) .Loutsw_align:	movs	ip, r1, lsl #31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		bne	.Loutsw_noalign
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		ldrh	r3, [r1], #2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		sub	r2, r2, #1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		strh	r3, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) ENTRY(__raw_writesw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 		teq	r2, #0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		reteq	lr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		ands	r3, r1, #3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		bne	.Loutsw_align
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		stmfd	sp!, {r4, r5, lr}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		subs	r2, r2, #8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		bmi	.Lno_outsw_8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) .Loutsw_8_lp:	ldmia	r1!, {r3, r4, r5, ip}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		subs	r2, r2, #8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		outword	r3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		outword	r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		outword	r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		outword	ip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		bpl	.Loutsw_8_lp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .Lno_outsw_8:	tst	r2, #4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 		beq	.Lno_outsw_4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		ldmia	r1!, {r3, ip}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		outword	r3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		outword	ip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .Lno_outsw_4:	movs	r2, r2, lsl #31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 		bcc	.Lno_outsw_2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		ldr	r3, [r1], #4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		outword	r3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .Lno_outsw_2:	ldrhne	r3, [r1]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		strhne	r3, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 		ldmfd	sp!, {r4, r5, pc}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #ifdef __ARMEB__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define pull_hbyte0	lsl #8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define push_hbyte1	lsr #24
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define pull_hbyte0	lsr #24
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define push_hbyte1	lsl #8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .Loutsw_noalign:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)  ARM(		ldr	r3, [r1, -r3]!	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)  THUMB(		rsb	r3, r3, #0	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)  THUMB(		ldr	r3, [r1, r3]	)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)  THUMB(		sub	r1, r3		)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 		subcs	r2, r2, #1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 		bcs	2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 		subs	r2, r2, #2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 		bmi	3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 1:		mov	ip, r3, lsr #8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 		strh	ip, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 2:		mov	ip, r3, pull_hbyte0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 		ldr	r3, [r1, #4]!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 		subs	r2, r2, #2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) 		orr	ip, ip, r3, push_hbyte1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 		strh	ip, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) 		bpl	1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) 		tst	r2, #1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) 3:		movne	ip, r3, lsr #8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) 		strhne	ip, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) 		ret	lr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) ENDPROC(__raw_writesw)