ad_pcm.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 425 行

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

move	$6,$4
lw	$4,156($4)
li	$2,544669696			# 0x20770000
lwl	$3,11($4)
ori	$7,$2,0x6172
lwr	$3,8($4)
lw	$5,12($6)
sw	$3,44($6)
lbu	$2,3($4)
lbu	$3,2($4)
sll	$2,$2,8
or	$2,$2,$3
sw	$2,36($6)
lwl	$3,7($4)
lwr	$3,4($4)
sw	$3,28($6)
lbu	$2,15($4)
lbu	$3,14($4)
sll	$2,$2,8
or	$2,$2,$3
addiu	$2,$2,7
sra	$4,$2,3
li	$3,9			# 0x9
sw	$3,24($6)
beq	$5,$7,$L10
sw	$4,32($6)

sltu	$2,$7,$5
beq	$2,$0,$L39
li	$2,6			# 0x6

li	$2,1718353920			# 0x666c0000
ori	$2,$2,0x3332
beq	$5,$2,$L14
nop

sltu	$2,$2,$5
bne	$2,$0,$L22
li	$3,1768816640			# 0x696e0000

li	$3,842203136			# 0x32330000
ori	$2,$3,0x6e69
beq	$5,$2,$L12
li	$2,24			# 0x18

li	$2,875692032			# 0x34320000
ori	$2,$2,0x6e69
beq	$5,$2,$L13
li	$4,3			# 0x3

ori	$2,$3,0x6c66
beq	$5,$2,$L40
li	$4,4			# 0x4

$L3:
lw	$4,32($6)
li	$2,2			# 0x2
beq	$4,$2,$L32
nop

li	$2,3			# 0x3
sw	$2,24($6)
$L24:
bne	$4,$0,$L32
nop

li	$2,2			# 0x2
sw	$2,32($6)
$L32:
j	$31
li	$2,1			# 0x1

$L39:
beq	$5,$2,$L6
sltu	$2,$5,7

bne	$2,$0,$L41
sltu	$2,$5,2

li	$2,17			# 0x11
beq	$5,$2,$L8
sltu	$2,$5,18

bne	$2,$0,$L42
li	$2,7			# 0x7

li	$2,80			# 0x50
beq	$5,$2,$L9
li	$2,65534			# 0xfffe

bne	$5,$2,$L3
nop

$L4:
lw	$4,32($6)
li	$2,2			# 0x2
beq	$4,$2,$L26
slt	$2,$4,3

bne	$2,$0,$L43
li	$2,1			# 0x1

li	$2,3			# 0x3
beq	$4,$2,$L27
li	$2,4			# 0x4

bne	$4,$2,$L24
li	$2,25			# 0x19

j	$L24
sw	$2,24($6)

$L10:
li	$2,8			# 0x8
li	$3,1			# 0x1
bne	$4,$3,$L24
sw	$2,24($6)

li	$2,3			# 0x3
j	$L24
sw	$2,24($6)

$L22:
ori	$2,$3,0x3332
beq	$5,$2,$L16
li	$4,4			# 0x4

sltu	$2,$2,$5
beq	$2,$0,$L44
ori	$2,$3,0x3234

li	$2,1936654336			# 0x736f0000
ori	$2,$2,0x7774
beq	$5,$2,$L17
li	$2,1953955840			# 0x74770000

ori	$2,$2,0x6f73
bne	$5,$2,$L3
nop

$L18:
lw	$4,32($6)
li	$2,1			# 0x1
bne	$4,$2,$L24
nop

j	$L24
sw	$4,24($6)

$L41:
bne	$2,$0,$L4
li	$2,3			# 0x3

bne	$5,$2,$L3
li	$2,29			# 0x1d

lw	$4,32($6)
j	$L24
sw	$2,24($6)

$L14:
li	$2,29			# 0x1d
li	$4,4			# 0x4
sw	$2,24($6)
li	$2,1			# 0x1
j	$31
sw	$4,32($6)

$L6:
li	$2,128			# 0x80
j	$L24
sw	$2,24($6)

$L42:
bne	$5,$2,$L3
li	$2,64			# 0x40

lw	$4,32($6)
j	$L24
sw	$2,24($6)

$L44:
bne	$5,$2,$L3
li	$4,3			# 0x3

li	$2,17			# 0x11
sw	$4,32($6)
j	$L32
sw	$2,24($6)

$L43:
bne	$4,$2,$L24
li	$2,3			# 0x3

j	$L24
sw	$2,24($6)

$L40:
li	$2,28			# 0x1c
sw	$4,32($6)
j	$L32
sw	$2,24($6)

$L12:
li	$4,4			# 0x4
sw	$4,32($6)
j	$L32
sw	$2,24($6)

$L8:
li	$2,320			# 0x140
j	$L24
sw	$2,24($6)

$L16:
li	$2,25			# 0x19
sw	$4,32($6)
j	$L32
sw	$2,24($6)

$L13:
li	$2,16			# 0x10
sw	$4,32($6)
j	$L32
sw	$2,24($6)

$L26:
li	$2,9			# 0x9
j	$L24
sw	$2,24($6)

$L9:
li	$2,192			# 0xc0
j	$L24
sw	$2,24($6)

$L17:
li	$2,8			# 0x8
j	$L18
sw	$2,24($6)

$L27:
li	$2,17			# 0x11
j	$L24
sw	$2,24($6)

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

li	$2,2048			# 0x800
sw	$2,64($4)
j	$31
li	$2,1			# 0x1

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

j	$31
nop

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

lw	$3,36($4)
move	$8,$4
lw	$4,32($4)
mul	$3,$3,$4
addu	$6,$3,$6
addiu	$6,$6,-1
divu	$0,$6,$3
teq	$3,$0,7
mflo	$6
mul	$3,$3,$6
move	$6,$3
sltu	$3,$7,$3
beq	$3,$0,$L55
li	$2,-1			# 0xffffffffffffffff

j	$31
nop

$L55:
j	demux_read_data
lw	$4,4($8)

.set	macro
.set	reorder
.end	decode_audio
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
.mask	0x80000000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
li	$2,2			# 0x2
sw	$31,16($sp)
li	$3,-1			# 0xffffffffffffffff
beq	$5,$2,$L64
sw	$7,36($sp)

lw	$31,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

$L64:
lw	$2,44($4)
li	$6,-4			# 0xfffffffffffffffc
slt	$3,$2,0
addiu	$5,$2,15
movn	$2,$5,$3
sra	$2,$2,4
lw	$4,4($4)
and	$6,$2,$6
jal	demux_read_data
move	$5,$0

li	$3,1			# 0x1
lw	$31,16($sp)
move	$2,$3
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	control
.globl	mpcodecs_ad_pcm
.data
.align	2
.type	mpcodecs_ad_pcm, @object
.size	mpcodecs_ad_pcm, 24
mpcodecs_ad_pcm:
.word	info
.word	preinit
.word	init
.word	uninit
.word	control
.word	decode_audio
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Uncompressed PCM audio decoder\000"
.align	2
$LC1:
.ascii	"pcm\000"
.align	2
$LC2:
.ascii	"Nick Kurshev\000"
.align	2
$LC3:
.ascii	"A'rpi\000"
.subsection	-1
.align	2
$LC4:
.ascii	"\000"
.data
.align	2
.type	info, @object
.size	info, 20
info:
.word	$LC0
.word	$LC1
.word	$LC2
.word	$LC3
.word	$LC4
.ident	"GCC: (GNU) 4.1.2"