vf_flip.s

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· S 代码 · 共 281 行

.file	1 "vf_flip.c"
.section .mdebug.abi32
.previous
.section	.text.open,"ax",@progbits
.align	2
.align	5
.ent	open
.type	open, @function
open:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lui	$2,%hi(config)
addiu	$2,$2,%lo(config)
li	$3,1024			# 0x400
sw	$2,4($4)
lui	$2,%hi(put_image)
sw	$3,44($4)
addiu	$2,$2,%lo(put_image)
lui	$3,%hi(get_image)
addiu	$3,$3,%lo(get_image)
sw	$2,20($4)
li	$2,1			# 0x1
j	$31
sw	$3,16($4)

.set	macro
.set	reorder
.end	open
.section	.text.put_image,"ax",@progbits
.align	2
.align	5
.ent	put_image
.type	put_image, @function
put_image:
.frame	$sp,48,$31		# vars= 0, regs= 5/0, args= 24, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$19,36($sp)
sw	$18,32($sp)
sw	$17,28($sp)
sw	$16,24($sp)
sw	$31,40($sp)
lhu	$2,0($5)
move	$16,$5
andi	$3,$2,0x100
andi	$2,$2,0x2000
move	$17,$4
move	$18,$6
beq	$2,$0,$L4
move	$19,$7

bne	$3,$0,$L13
lw	$31,40($sp)

lw	$2,36($5)
lw	$5,104($5)
sw	$2,36($5)
lw	$31,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	vf_next_put_image
addiu	$sp,$sp,48

$L13:
lw	$5,104($5)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	vf_next_put_image
addiu	$sp,$sp,48

$L4:
lw	$4,92($4)
lw	$5,4($5)
lw	$3,12($16)
lw	$2,8($16)
move	$6,$0
li	$7,16			# 0x10
sw	$3,20($sp)
jal	vf_get_image
sw	$2,16($sp)

lw	$7,12($16)
lw	$3,48($16)
move	$6,$2
lhu	$4,0($2)
addiu	$2,$7,-1
mul	$8,$2,$3
lw	$5,32($16)
subu	$3,$0,$3
addu	$2,$8,$5
andi	$4,$4,0x100
sw	$2,32($6)
sw	$3,48($6)
beq	$4,$0,$L8
sw	$6,96($17)

lw	$3,100($16)
lw	$4,52($16)
sra	$3,$7,$3
addiu	$3,$3,-1
mul	$5,$3,$4
lw	$2,36($16)
subu	$4,$0,$4
addu	$2,$5,$2
sw	$4,52($6)
sw	$2,36($6)
lw	$2,56($16)
lw	$5,40($16)
mul	$4,$3,$2
subu	$2,$0,$2
addu	$3,$4,$5
sw	$2,56($6)
sw	$3,40($6)
$L10:
lw	$5,96($17)
move	$4,$17
move	$6,$18
move	$7,$19
lw	$31,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	vf_next_put_image
addiu	$sp,$sp,48

$L8:
lw	$2,36($16)
j	$L10
sw	$2,36($6)

.set	macro
.set	reorder
.end	put_image
.section	.text.get_image,"ax",@progbits
.align	2
.align	5
.ent	get_image
.type	get_image, @function
get_image:
.frame	$sp,40,$31		# vars= 0, regs= 3/0, args= 24, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$17,28($sp)
sw	$16,24($sp)
sw	$31,32($sp)
lhu	$2,0($5)
move	$16,$5
move	$7,$2
andi	$2,$2,0x10
bne	$2,$0,$L22
move	$17,$4

lw	$31,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,40

$L22:
lw	$4,92($4)
lw	$5,4($5)
lbu	$6,2($16)
lw	$3,12($16)
lw	$2,8($16)
sw	$3,20($sp)
jal	vf_get_image
sw	$2,16($sp)

lw	$7,12($2)
lw	$3,48($2)
lw	$5,32($2)
move	$6,$2
addiu	$2,$7,-1
mul	$8,$2,$3
lhu	$4,0($16)
addu	$2,$8,$5
subu	$3,$0,$3
andi	$4,$4,0x100
sw	$2,32($16)
sw	$3,48($16)
beq	$4,$0,$L19
sw	$6,96($17)

lw	$3,100($16)
lw	$4,52($6)
sra	$3,$7,$3
addiu	$3,$3,-1
mul	$5,$3,$4
lw	$2,36($6)
subu	$4,$0,$4
addu	$2,$5,$2
sw	$4,52($16)
sw	$2,36($16)
lw	$2,56($6)
lw	$5,40($6)
mul	$4,$3,$2
subu	$2,$0,$2
addu	$3,$4,$5
sw	$3,40($16)
sw	$2,56($16)
$L19:
lhu	$2,0($16)
lw	$3,96($17)
ori	$2,$2,0x2000
sw	$3,104($16)
sh	$2,0($16)
lw	$31,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	get_image
.section	.text.config,"ax",@progbits
.align	2
.align	5
.ent	config
.type	config, @function
config:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

lw	$2,20($sp)
li	$3,-9			# 0xfffffffffffffff7
and	$2,$2,$3
j	vf_next_config
sw	$2,20($sp)

.set	macro
.set	reorder
.end	config
.globl	vf_info_flip
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"flip image upside-down\000"
.align	2
$LC1:
.ascii	"flip\000"
.align	2
$LC2:
.ascii	"A'rpi\000"
.subsection	-1
.align	2
$LC3:
.ascii	"\000"
.data
.align	2
.type	vf_info_flip, @object
.size	vf_info_flip, 24
vf_info_flip:
.word	$LC0
.word	$LC1
.word	$LC2
.word	$LC3
.word	open
.word	0
.ident	"GCC: (GNU) 4.1.2"