ad_dk3adpcm.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 634 行

.file	1 "ad_dk3adpcm.c"
.section .mdebug.abi32
.previous
.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

lw	$6,156($4)
lbu	$2,13($6)
lbu	$5,12($6)
sll	$2,$2,8
or	$2,$2,$5
sll	$3,$2,3
sll	$2,$2,1
subu	$3,$3,$2
sw	$3,64($4)
lbu	$5,13($6)
lbu	$2,12($6)
sll	$5,$5,8
or	$5,$5,$2
sll	$3,$5,3
li	$2,1431633920			# 0x55550000
addiu	$3,$3,-128
ori	$2,$2,0x5556
mult	$3,$2
lw	$6,4($4)
mfhi	$2
sra	$3,$3,31
subu	$2,$2,$3
sw	$2,88($6)
li	$2,1			# 0x1
sw	$5,84($6)
j	$31
sw	$5,48($4)

.set	macro
.set	reorder
.end	preinit
.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

lw	$5,156($4)
lw	$8,4($4)
lbu	$2,3($5)
lbu	$3,2($5)
sll	$2,$2,8
or	$2,$2,$3
sw	$2,36($4)
lwl	$3,7($5)
li	$2,1			# 0x1
lwr	$3,4($5)
li	$5,2			# 0x2
sw	$3,28($4)
lw	$6,84($8)
lw	$7,88($8)
mul	$3,$3,$6
sw	$5,32($4)
divu	$0,$3,$7
teq	$7,$0,7
mflo	$3
j	$31
sw	$3,44($4)

.set	macro
.set	reorder
.end	init
.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.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	$6,-1			# 0xffffffffffffffff
sw	$7,36($sp)
beq	$5,$2,$L13
move	$3,$4

lw	$31,16($sp)
move	$2,$6
j	$31
addiu	$sp,$sp,24

$L13:
lw	$4,4($4)
lw	$5,52($3)
jal	demux_read_data
lw	$6,84($4)

li	$6,1			# 0x1
lw	$31,16($sp)
move	$2,$6
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	control
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"dk3adpcm: maxlen too small in decode_audio\012\000"
.section	.text.decode_audio,"ax",@progbits
.align	2
.align	5
.ent	decode_audio
.type	decode_audio, @function
decode_audio:
.frame	$sp,72,$31		# vars= 16, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$18,40($sp)
sw	$17,36($sp)
sw	$16,32($sp)
sw	$31,68($sp)
sw	$fp,64($sp)
sw	$23,60($sp)
sw	$22,56($sp)
sw	$21,52($sp)
sw	$20,48($sp)
sw	$19,44($sp)
move	$16,$4
lw	$4,4($4)
move	$18,$5
lw	$6,84($4)
lw	$5,52($16)
jal	demux_read_data
move	$17,$7

sw	$2,24($sp)
lw	$2,4($16)
lw	$3,84($2)
lw	$2,24($sp)
beq	$2,$3,$L67
li	$2,-1			# 0xffffffffffffffff

$L17:
lw	$31,68($sp)
lw	$fp,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
j	$31
addiu	$sp,$sp,72

$L67:
lw	$3,156($16)
lbu	$2,13($3)
lbu	$4,12($3)
sll	$2,$2,8
or	$2,$2,$4
li	$3,1431633920			# 0x55550000
sll	$2,$2,4
ori	$3,$3,0x5556
mult	$2,$3
mfhi	$2
slt	$2,$17,$2
bne	$2,$0,$L68
lui	$6,%hi($LC0)

lw	$25,52($16)
lhu	$9,10($25)
andi	$2,$9,0x8000
beq	$2,$0,$L20
lhu	$11,12($25)

li	$2,-65536			# 0xffffffffffff0000
addu	$9,$9,$2
$L20:
andi	$2,$11,0x8000
beq	$2,$0,$L71
lw	$2,24($sp)

li	$2,-65536			# 0xffffffffffff0000
addu	$11,$11,$2
lw	$2,24($sp)
$L71:
addiu	$2,$2,-1
sw	$2,16($sp)
slt	$2,$2,17
lbu	$3,14($25)
bne	$2,$0,$L69
lbu	$4,15($25)

move	$5,$3
lui	$2,%hi(adpcm_step)
lui	$3,%hi(adpcm_index)
move	$fp,$0
move	$10,$18
move	$24,$4
addiu	$22,$2,%lo(adpcm_step)
addiu	$21,$3,%lo(adpcm_index)
move	$15,$11
li	$13,16			# 0x10
sw	$0,20($sp)
move	$14,$0
li	$20,32767			# 0x7fff
li	$19,32768			# 0x8000
li	$18,-32768			# 0xffffffffffff8000
beq	$fp,$0,$L27
li	$23,88			# 0x58

$L70:
srl	$8,$14,4
move	$12,$0
$L29:
sll	$2,$5,2
addu	$2,$2,$22
lw	$7,0($2)
andi	$4,$8,0x4
sra	$6,$7,3
addu	$2,$6,$7
andi	$3,$8,0x2
beq	$3,$0,$L32
movn	$6,$2,$4

sra	$2,$7,1
addu	$6,$6,$2
$L32:
andi	$2,$8,0x1
beq	$2,$0,$L72
andi	$2,$8,0x8

sra	$2,$7,2
addu	$6,$6,$2
andi	$2,$8,0x8
$L72:
beq	$2,$0,$L36
nop

subu	$6,$9,$6
$L38:
sll	$2,$8,2
addu	$2,$2,$21
lw	$3,0($2)
slt	$4,$6,$19
addu	$3,$5,$3
slt	$2,$3,89
move	$5,$20
movn	$5,$6,$4
movz	$3,$23,$2
slt	$4,$5,-32768
slt	$2,$3,0
move	$9,$18
move	$17,$0
movz	$9,$5,$4
beq	$12,$0,$L39
movz	$17,$3,$2

srl	$7,$14,4
move	$12,$0
$L41:
sll	$2,$24,2
addu	$2,$2,$22
lw	$6,0($2)
andi	$4,$7,0x4
sra	$5,$6,3
addu	$2,$5,$6
andi	$3,$7,0x2
beq	$3,$0,$L44
movn	$5,$2,$4

sra	$2,$6,1
addu	$5,$5,$2
$L44:
andi	$2,$7,0x1
beq	$2,$0,$L73
andi	$2,$7,0x8

sra	$2,$6,2
addu	$5,$5,$2
andi	$2,$7,0x8
$L73:
beq	$2,$0,$L48
nop

subu	$5,$11,$5
$L50:
slt	$2,$5,$19
move	$4,$20
movn	$4,$5,$2
slt	$3,$4,-32768
move	$11,$18
movz	$11,$4,$3
addu	$5,$11,$15
srl	$2,$5,31
addu	$2,$2,$5
sra	$15,$2,1
andi	$8,$15,0xffff
andi	$2,$9,0xffff
sll	$3,$7,2
subu	$4,$2,$8
addu	$3,$3,$21
addu	$2,$2,$8
sh	$2,0($10)
sh	$4,2($10)
beq	$12,$0,$L51
lw	$16,0($3)

lw	$12,16($sp)
srl	$5,$14,4
move	$fp,$0
$L53:
sll	$2,$17,2
addu	$2,$2,$22
lw	$7,0($2)
andi	$4,$5,0x4
sra	$6,$7,3
addu	$2,$6,$7
andi	$3,$5,0x2
beq	$3,$0,$L56
movn	$6,$2,$4

sra	$2,$7,1
addu	$6,$6,$2
$L56:
andi	$2,$5,0x1
beq	$2,$0,$L74
andi	$2,$5,0x8

sra	$2,$7,2
addu	$6,$6,$2
andi	$2,$5,0x8
$L74:
beq	$2,$0,$L62
addu	$4,$6,$9

subu	$4,$9,$6
$L62:
slt	$2,$4,$19
movz	$4,$20,$2
slt	$3,$4,-32768
move	$9,$18
movz	$9,$4,$3
andi	$2,$9,0xffff
subu	$3,$2,$8
addu	$2,$8,$2
sh	$2,4($10)
lw	$2,20($sp)
sll	$5,$5,2
addu	$5,$5,$21
addiu	$2,$2,4
slt	$4,$13,$12
sh	$3,6($10)
sw	$2,20($sp)
lw	$3,0($5)
beq	$4,$0,$L63
addiu	$10,$10,8

addu	$3,$17,$3
addu	$2,$16,$24
slt	$5,$3,89
slt	$4,$2,89
movz	$3,$23,$5
movz	$2,$23,$4
slt	$5,$3,0
slt	$4,$2,0
move	$24,$0
movn	$3,$0,$5
movz	$24,$2,$4
bne	$fp,$0,$L70
move	$5,$3

$L27:
addu	$2,$25,$13
lbu	$14,0($2)
addiu	$13,$13,1
andi	$8,$14,0xf
j	$L29
li	$12,1			# 0x1

$L51:
addu	$2,$25,$13
lbu	$14,0($2)
lw	$12,24($sp)
addiu	$13,$13,1
andi	$5,$14,0xf
j	$L53
li	$fp,1			# 0x1

$L48:
j	$L50
addu	$5,$5,$11

$L39:
addu	$2,$25,$13
lbu	$14,0($2)
addiu	$13,$13,1
andi	$7,$14,0xf
j	$L41
li	$12,1			# 0x1

$L36:
j	$L38
addu	$6,$6,$9

$L63:
lw	$31,68($sp)
lw	$fp,64($sp)
lw	$23,60($sp)
lw	$22,56($sp)
lw	$21,52($sp)
lw	$20,48($sp)
lw	$19,44($sp)
lw	$18,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
sll	$2,$2,1
j	$31
addiu	$sp,$sp,72

$L69:
j	$L17
move	$2,$0

$L68:
addiu	$6,$6,%lo($LC0)
li	$4,12			# 0xc
jal	mp_msg
li	$5,6			# 0x6

j	$L17
li	$2,-1			# 0xffffffffffffffff

.set	macro
.set	reorder
.end	decode_audio
.globl	mpcodecs_ad_dk3adpcm
.data
.align	2
.type	mpcodecs_ad_dk3adpcm, @object
.size	mpcodecs_ad_dk3adpcm, 24
mpcodecs_ad_dk3adpcm:
.word	info
.word	preinit
.word	init
.word	uninit
.word	control
.word	decode_audio
.rdata
.align	2
.type	adpcm_step, @object
.size	adpcm_step, 356
adpcm_step:
.word	7
.word	8
.word	9
.word	10
.word	11
.word	12
.word	13
.word	14
.word	16
.word	17
.word	19
.word	21
.word	23
.word	25
.word	28
.word	31
.word	34
.word	37
.word	41
.word	45
.word	50
.word	55
.word	60
.word	66
.word	73
.word	80
.word	88
.word	97
.word	107
.word	118
.word	130
.word	143
.word	157
.word	173
.word	190
.word	209
.word	230
.word	253
.word	279
.word	307
.word	337
.word	371
.word	408
.word	449
.word	494
.word	544
.word	598
.word	658
.word	724
.word	796
.word	876
.word	963
.word	1060
.word	1166
.word	1282
.word	1411
.word	1552
.word	1707
.word	1878
.word	2066
.word	2272
.word	2499
.word	2749
.word	3024
.word	3327
.word	3660
.word	4026
.word	4428
.word	4871
.word	5358
.word	5894
.word	6484
.word	7132
.word	7845
.word	8630
.word	9493
.word	10442
.word	11487
.word	12635
.word	13899
.word	15289
.word	16818
.word	18500
.word	20350
.word	22385
.word	24623
.word	27086
.word	29794
.word	32767
.align	2
.type	adpcm_index, @object
.size	adpcm_index, 64
adpcm_index:
.word	-1
.word	-1
.word	-1
.word	-1
.word	2
.word	4
.word	6
.word	8
.word	-1
.word	-1
.word	-1
.word	-1
.word	2
.word	4
.word	6
.word	8
.section	.rodata.str1.4
.align	2
$LC1:
.ascii	"Duck Corp. DK3 ADPCM decoder\000"
.align	2
$LC2:
.ascii	"dk3adpcm\000"
.align	2
$LC3:
.ascii	"Nick Kurshev\000"
.align	2
$LC4:
.ascii	"Mike Melanson\000"
.subsection	-1
.align	2
$LC5:
.ascii	"\000"
.data
.align	2
.type	info, @object
.size	info, 20
info:
.word	$LC1
.word	$LC2
.word	$LC3
.word	$LC4
.word	$LC5
.ident	"GCC: (GNU) 4.1.2"