westwood.s

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,图片解码,浏览,电子书,录音,想学ucos,识货的人就下吧 russblock fmradio explore set

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

lw	$2,8($4)
slt	$2,$2,12
bne	$2,$0,$L2
nop

lw	$4,4($4)
lbu	$2,1($4)
lbu	$3,0($4)
sll	$2,$2,8
or	$2,$2,$3
addiu	$2,$2,-8000
li	$3,40000			# 0x9c40
sltu	$2,$3,$2
bne	$2,$0,$L2
nop

lbu	$3,11($4)
li	$2,99			# 0x63
beq	$3,$2,$L6
li	$4,50			# 0x32

$L2:
move	$4,$0
$L6:
j	$31
move	$2,$4

.set	macro
.set	reorder
.end	wsaud_probe
.section	.text.wsaud_read_close,"ax",@progbits
.align	2
.align	5
.ent	wsaud_read_close
.type	wsaud_read_close, @function
wsaud_read_close:
.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
move	$2,$0

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

lw	$2,8($4)
slt	$2,$2,12
bne	$2,$0,$L18
move	$3,$0

lw	$6,4($4)
lbu	$3,0($6)
lbu	$2,1($6)
sll	$3,$3,24
sll	$2,$2,16
lbu	$4,2($6)
lbu	$5,3($6)
or	$3,$3,$2
or	$3,$3,$5
sll	$4,$4,8
li	$2,1179582464			# 0x464f0000
or	$4,$4,$3
ori	$2,$2,0x524d
bne	$4,$2,$L12
nop

lbu	$2,8($6)
lbu	$3,9($6)
sll	$2,$2,24
sll	$3,$3,16
lbu	$5,11($6)
lbu	$4,10($6)
or	$2,$2,$3
or	$2,$2,$5
sll	$4,$4,8
or	$4,$4,$2
li	$2,1465253888			# 0x57560000
ori	$2,$2,0x5141
beq	$4,$2,$L16
li	$3,100			# 0x64

$L12:
move	$3,$0
$L16:
$L18:
j	$31
move	$2,$3

.set	macro
.set	reorder
.end	wsvqa_probe
.section	.text.wsvqa_read_close,"ax",@progbits
.align	2
.align	5
.ent	wsvqa_read_close
.type	wsvqa_read_close, @function
wsvqa_read_close:
.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
move	$2,$0

.set	macro
.set	reorder
.end	wsvqa_read_close
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Skipping unknown chunk 0x%08X\012\000"
.section	.text.wsvqa_read_packet,"ax",@progbits
.align	2
.align	5
.ent	wsvqa_read_packet
.type	wsvqa_read_packet, @function
wsvqa_read_packet:
.frame	$sp,72,$31		# vars= 8, regs= 9/0, args= 24, gp= 0
.mask	0x80ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-72
sw	$23,60($sp)
sw	$21,52($sp)
sw	$20,48($sp)
sw	$18,40($sp)
sw	$31,64($sp)
sw	$22,56($sp)
sw	$19,44($sp)
sw	$17,36($sp)
sw	$16,32($sp)
lw	$22,12($4)
move	$20,$4
move	$23,$5
addiu	$18,$4,16
j	$L22
addiu	$21,$sp,24

$L23:
lbu	$4,25($sp)
lbu	$7,27($sp)
sll	$4,$4,16
sll	$2,$2,24
lbu	$6,26($sp)
or	$2,$2,$4
lbu	$3,28($sp)
lbu	$5,29($sp)
or	$2,$2,$7
sll	$6,$6,8
or	$16,$6,$2
sll	$3,$3,24
sll	$5,$5,16
lbu	$4,30($sp)
lbu	$7,31($sp)
li	$2,-1397686272			# 0xffffffffacb10000
or	$3,$3,$5
ori	$2,$2,0xbbcf
or	$3,$3,$7
sll	$4,$4,8
addu	$2,$16,$2
or	$17,$4,$3
sltu	$2,$2,2
bne	$2,$0,$L24
andi	$19,$17,0x1

li	$2,1448148992			# 0x56510000
ori	$2,$2,0x4652
beq	$16,$2,$L24
li	$2,1129119744			# 0x434d0000

ori	$2,$2,0x4453
beq	$16,$2,$L40
li	$2,1397620736			# 0x534e0000

lui	$6,%hi($LC0)
ori	$2,$2,0x4430
addiu	$6,$6,%lo($LC0)
move	$7,$16
move	$4,$20
beq	$16,$2,$L40
li	$5,1			# 0x1

jal	av_log
nop

$L40:
li	$2,1			# 0x1
addu	$6,$17,$19
move	$7,$0
move	$4,$18
jal	url_fseek
sw	$2,16($sp)

$L22:
move	$4,$18
move	$5,$21
jal	get_buffer
li	$6,8			# 0x8

li	$3,8			# 0x8
beq	$2,$3,$L23
lbu	$2,24($sp)

li	$20,-1			# 0xffffffffffffffff
move	$2,$20
lw	$31,64($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

$L24:
move	$4,$23
jal	av_new_packet
move	$5,$17

beq	$2,$0,$L44
move	$4,$18

$L27:
li	$20,-5			# 0xfffffffffffffffb
$L32:
move	$2,$20
$L48:
lw	$31,64($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

$L44:
lw	$5,16($23)
jal	get_buffer
move	$6,$17

bne	$17,$2,$L45
move	$20,$2

li	$3,1397620736			# 0x534e0000
ori	$2,$3,0x4432
beq	$16,$2,$L46
ori	$2,$3,0x4431

beq	$16,$2,$L47
nop

lw	$4,32($22)
lw	$5,36($22)
addiu	$2,$4,6000
lw	$7,16($22)
sltu	$6,$2,$4
addu	$3,$6,$5
sw	$7,24($23)
sw	$2,32($22)
sw	$3,36($22)
$L35:
beq	$19,$0,$L48
move	$2,$20

move	$4,$18
li	$2,1			# 0x1
li	$6,1			# 0x1
move	$7,$0
jal	url_fseek
sw	$2,16($sp)

move	$2,$20
lw	$31,64($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

$L46:
lw	$3,12($22)
sll	$4,$20,1
sw	$3,24($23)
lw	$2,4($22)
lw	$6,24($22)
divu	$0,$4,$2
teq	$2,$0,7
lw	$7,28($22)
move	$5,$0
mflo	$4
$L43:
addu	$2,$6,$4
sltu	$8,$2,$6
addu	$3,$7,$5
addu	$3,$8,$3
sw	$2,24($22)
j	$L35
sw	$3,28($22)

$L47:
lw	$2,12($22)
lw	$3,16($23)
sw	$2,24($23)
lbu	$4,1($3)
lbu	$6,0($3)
sll	$4,$4,8
lw	$2,4($22)
or	$4,$4,$6
div	$0,$4,$2
teq	$2,$0,7
lw	$6,24($22)
lw	$7,28($22)
mflo	$4
j	$L43
sra	$5,$4,31

$L45:
lw	$2,36($23)
beq	$2,$0,$L27
nop

jal	$2
move	$4,$23

j	$L32
li	$20,-5			# 0xfffffffffffffffb

.set	macro
.set	reorder
.end	wsvqa_read_packet
.section	.text.wsaud_read_header,"ax",@progbits
.align	2
.align	5
.ent	wsaud_read_header
.type	wsaud_read_header, @function
wsaud_read_header:
.frame	$sp,48,$31		# vars= 16, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$16,32($sp)
sw	$31,40($sp)
sw	$17,36($sp)
move	$16,$4
li	$6,12			# 0xc
addiu	$4,$4,16
addiu	$5,$sp,16
jal	get_buffer
lw	$17,12($16)

li	$3,12			# 0xc
beq	$2,$3,$L59
li	$7,-5			# 0xfffffffffffffffb

$L52:
lw	$31,40($sp)
lw	$17,36($sp)
lw	$16,32($sp)
move	$2,$7
j	$31
addiu	$sp,$sp,48

$L59:
lbu	$2,17($sp)
lbu	$3,16($sp)
sll	$2,$2,8
or	$2,$2,$3
sw	$2,0($17)
lbu	$3,27($sp)
li	$2,99			# 0x63
move	$4,$16
move	$5,$0
bne	$3,$2,$L52
li	$7,-22			# 0xffffffffffffffea

li	$2,65536			# 0x10000
ori	$2,$2,0x1004
sw	$2,12($17)
lbu	$3,26($sp)
andi	$3,$3,0x1
addiu	$3,$3,1
sw	$3,4($17)
lbu	$2,26($sp)
andi	$2,$2,0x2
sra	$2,$2,1
sll	$2,$2,3
addiu	$2,$2,8
jal	av_new_stream
sw	$2,8($17)

move	$16,$2
move	$4,$2
li	$5,33			# 0x21
li	$6,1			# 0x1
beq	$2,$0,$L52
li	$7,-12			# 0xfffffffffffffff4

jal	av_set_pts_info
lw	$7,0($17)

lw	$4,8($16)
lw	$8,12($17)
sw	$0,232($4)
lw	$6,4($17)
li	$3,1			# 0x1
sw	$6,68($4)
lw	$5,0($17)
sw	$3,224($4)
mul	$2,$6,$5
sw	$5,64($4)
lw	$7,8($17)
sw	$8,228($4)
mul	$2,$2,$7
mul	$6,$6,$7
addiu	$5,$2,3
slt	$3,$2,0
movn	$2,$5,$3
sra	$2,$2,2
sw	$7,392($4)
sw	$6,272($4)
sw	$2,4($4)
lw	$2,0($16)
move	$4,$0
move	$5,$0
move	$7,$0
sw	$4,24($17)
sw	$5,28($17)
j	$L52
sw	$2,16($17)

.set	macro
.set	reorder
.end	wsaud_read_header
.section	.rodata.str1.4
.align	2
$LC1:
.ascii	" note: unknown chunk seen (%c%c%c%c)\012\000"
.section	.text.wsvqa_read_header,"ax",@progbits
.align	2
.align	5
.ent	wsvqa_read_header
.type	wsvqa_read_header, @function
wsvqa_read_header:
.frame	$sp,80,$31		# vars= 8, regs= 10/0, args= 32, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-80
sw	$fp,72($sp)
sw	$22,64($sp)
sw	$31,76($sp)
sw	$23,68($sp)
sw	$21,60($sp)
sw	$20,56($sp)
sw	$19,52($sp)
sw	$18,48($sp)
sw	$17,44($sp)
sw	$16,40($sp)
move	$5,$0
move	$fp,$4
jal	av_new_stream
lw	$23,12($4)

beq	$2,$0,$L61
move	$22,$2

li	$5,33			# 0x21
move	$4,$2
li	$6,1			# 0x1
jal	av_set_pts_info
li	$7,15			# 0xf

lw	$3,8($22)
lw	$4,0($22)
addiu	$21,$fp,16
li	$2,45			# 0x2d
sw	$4,16($23)
li	$6,20			# 0x14
sw	$2,228($3)
sw	$0,232($3)
sw	$0,224($3)
move	$7,$0
move	$4,$21
jal	url_fseek
sw	$0,16($sp)

lw	$16,8($22)
li	$17,42			# 0x2a
sw	$17,28($16)
jal	av_mallocz
li	$4,50			# 0x32

lw	$3,8($22)
sw	$2,24($16)
lw	$16,24($3)
move	$4,$21
move	$5,$16
jal	get_buffer
li	$6,42			# 0x2a

bne	$2,$17,$L89
addiu	$18,$16,25

lbu	$3,7($16)
lbu	$2,6($16)
lw	$4,8($22)
sll	$3,$3,8
or	$3,$3,$2
sw	$3,40($4)
lbu	$2,9($16)
lbu	$3,8($16)
sll	$2,$2,8
or	$2,$2,$3
sw	$2,44($4)
lbu	$3,25($16)
lbu	$2,24($16)
sll	$3,$3,8
or	$3,$3,$2
bne	$3,$0,$L66
addiu	$17,$16,24

lbu	$2,1($16)
lbu	$4,0($16)
sll	$2,$2,8
or	$4,$2,$4
li	$3,1			# 0x1
bne	$4,$3,$L90
nop

j	$L97
lbu	$2,3($16)

$L95:
ori	$2,$3,0x4e46
beq	$16,$2,$L82
ori	$2,$3,0x4e48

beq	$16,$2,$L82
ori	$2,$3,0x4e44

beq	$16,$2,$L98
sll	$3,$18,16

lui	$6,%hi($LC1)
$L100:
addiu	$6,$6,%lo($LC1)
move	$4,$fp
move	$5,$0
sw	$9,16($sp)
sw	$10,20($sp)
jal	av_log
sw	$8,24($sp)

$L82:
sll	$3,$18,16
$L98:
sll	$2,$19,24
or	$2,$2,$3
or	$2,$2,$17
sll	$6,$20,8
or	$6,$6,$2
move	$4,$21
li	$2,1			# 0x1
move	$7,$0
jal	url_fseek
sw	$2,16($sp)

li	$4,1179189248			# 0x46490000
ori	$4,$4,0x4e46
beq	$16,$4,$L99
move	$4,$0

$L90:
move	$4,$21
$L101:
addiu	$5,$sp,32
jal	get_buffer
li	$6,8			# 0x8

li	$3,8			# 0x8
bne	$2,$3,$L89
lbu	$7,32($sp)

lbu	$9,33($sp)
lbu	$10,34($sp)
sll	$3,$9,16
sll	$2,$7,24
lbu	$8,35($sp)
or	$2,$2,$3
or	$2,$2,$8
sll	$3,$10,8
li	$4,1129119744			# 0x434d0000
or	$16,$3,$2
ori	$4,$4,0x4453
lbu	$19,36($sp)
lbu	$18,37($sp)
lbu	$20,38($sp)
beq	$16,$4,$L82
lbu	$17,39($sp)

sltu	$2,$4,$16
beq	$2,$0,$L95
li	$3,1128857600			# 0x43490000

li	$3,1346961408			# 0x50490000
ori	$2,$3,0x4e44
beq	$16,$2,$L82
sltu	$2,$2,$16

bne	$2,$0,$L84
ori	$2,$3,0x4e46

li	$2,1179189248			# 0x46490000
ori	$2,$2,0x4e46
bne	$16,$2,$L100
lui	$6,%hi($LC1)

sll	$3,$18,16
sll	$2,$19,24
or	$2,$2,$3
or	$2,$2,$17
sll	$6,$20,8
or	$6,$6,$2
move	$4,$21
li	$2,1			# 0x1
move	$7,$0
jal	url_fseek
sw	$2,16($sp)

li	$4,1179189248			# 0x46490000
ori	$4,$4,0x4e46
bne	$16,$4,$L101
move	$4,$21

move	$4,$0
$L99:
move	$5,$0
sw	$4,32($23)
sw	$5,36($23)
sw	$4,24($23)
sw	$5,28($23)
lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,80

$L84:
beq	$16,$2,$L82
ori	$2,$3,0x4e48

bne	$16,$2,$L100
lui	$6,%hi($LC1)

j	$L98
sll	$3,$18,16

$L89:
lw	$2,8($22)
jal	av_free
lw	$4,24($2)

lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
li	$2,-5			# 0xfffffffffffffffb
j	$31
addiu	$sp,$sp,80

$L61:
lw	$31,76($sp)
lw	$fp,72($sp)
lw	$23,68($sp)
lw	$22,64($sp)
lw	$21,60($sp)
lw	$20,56($sp)
lw	$19,52($sp)
lw	$18,48($sp)
lw	$17,44($sp)
lw	$16,40($sp)
li	$2,-12			# 0xfffffffffffffff4
j	$31
addiu	$sp,$sp,80

$L97:
lbu	$3,2($16)
sll	$2,$2,8
or	$2,$2,$3
bne	$2,$4,$L101
move	$4,$21

$L66:
move	$4,$fp
jal	av_new_stream
move	$5,$0

beq	$2,$0,$L61
move	$22,$2

move	$4,$2
li	$6,1			# 0x1
li	$5,33			# 0x21
jal	av_set_pts_info
li	$7,15			# 0xf

lw	$6,8($22)
li	$2,1			# 0x1
sw	$2,224($6)
lbu	$3,1($16)
lbu	$4,0($16)
sll	$3,$3,8
or	$3,$3,$4
beq	$3,$2,$L96
li	$2,65536			# 0x10000

ori	$2,$2,0x1004
sw	$2,228($6)
$L73:
sw	$0,232($6)
lbu	$2,0($18)
lbu	$3,0($17)
sll	$2,$2,8
or	$2,$2,$3
bne	$2,$0,$L74
sw	$2,64($6)

li	$2,22050			# 0x5622
sw	$2,64($6)
$L74:
lbu	$2,26($16)
bne	$2,$0,$L76
sw	$2,68($6)

li	$2,1			# 0x1
sw	$2,68($6)
$L76:
lw	$3,64($6)
sll	$5,$2,4
mul	$2,$2,$3
sw	$5,272($6)
sll	$2,$2,4
addiu	$4,$2,3
slt	$3,$2,0
movn	$2,$4,$3
sra	$2,$2,2
li	$3,16			# 0x10
sw	$3,392($6)
sw	$2,4($6)
lw	$2,0($22)
move	$4,$0
sw	$2,12($23)
lw	$3,64($6)
move	$5,$0
sw	$3,0($23)
lw	$2,68($6)
sw	$4,24($23)
sw	$5,28($23)
j	$L90
sw	$2,4($23)

$L96:
ori	$2,$2,0x5014
j	$L73
sw	$2,228($6)

.set	macro
.set	reorder
.end	wsvqa_read_header
.globl	__divdi3
.section	.text.wsaud_read_packet,"ax",@progbits
.align	2
.align	5
.ent	wsaud_read_packet
.type	wsaud_read_packet, @function
wsaud_read_packet:
.frame	$sp,48,$31		# vars= 8, regs= 5/0, args= 16, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-48
sw	$16,24($sp)
addiu	$16,$4,16
sw	$19,36($sp)
move	$2,$4
sw	$31,40($sp)
sw	$18,32($sp)
sw	$17,28($sp)
move	$19,$5
move	$4,$16
addiu	$5,$sp,16
li	$6,8			# 0x8
jal	get_buffer
lw	$18,12($2)

li	$3,8			# 0x8
beq	$2,$3,$L110
lbu	$2,23($sp)

$L103:
li	$17,-5			# 0xfffffffffffffffb
$L107:
move	$2,$17
lw	$31,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,48

$L110:
lbu	$3,22($sp)
lbu	$4,20($sp)
sll	$2,$2,24
sll	$3,$3,16
lbu	$6,21($sp)
or	$2,$2,$3
or	$2,$2,$4
sll	$6,$6,8
or	$6,$6,$2
li	$2,57007			# 0xdeaf
move	$4,$16
move	$5,$19
bne	$6,$2,$L107
li	$17,-22			# 0xffffffffffffffea

lbu	$16,17($sp)
lbu	$2,16($sp)
sll	$16,$16,8
or	$16,$16,$2
jal	av_get_packet
move	$6,$16

bne	$16,$2,$L103
move	$17,$2

lw	$2,16($18)
lw	$4,24($18)
sw	$2,24($19)
lw	$5,28($18)
lw	$3,0($18)
sw	$4,0($19)
move	$6,$3
sra	$7,$3,31
jal	__divdi3
sw	$5,4($19)

lw	$6,4($18)
sll	$4,$17,1
divu	$0,$4,$6
teq	$6,$0,7
sw	$2,0($19)
sw	$3,4($19)
lw	$6,24($18)
lw	$7,28($18)
move	$5,$0
addu	$3,$7,$5
mflo	$4
addu	$2,$6,$4
sltu	$8,$2,$6
addu	$3,$8,$3
sw	$2,24($18)
j	$L107
sw	$3,28($18)

.set	macro
.set	reorder
.end	wsaud_read_packet
.globl	wsaud_demuxer
.section	.rodata.str1.4
.align	2
$LC2:
.ascii	"wsaud\000"
.align	2
$LC3:
.ascii	"Westwood Studios audio format\000"
.data
.align	2
.type	wsaud_demuxer, @object
.size	wsaud_demuxer, 64
wsaud_demuxer:
.word	$LC2
.word	$LC3
.word	32
.word	wsaud_probe
.word	wsaud_read_header
.word	wsaud_read_packet
.word	wsaud_read_close
.space	36
.globl	wsvqa_demuxer
.section	.rodata.str1.4
.align	2
$LC4:
.ascii	"wsvqa\000"
.align	2
$LC5:
.ascii	"Westwood Studios VQA format\000"
.data
.align	2
.type	wsvqa_demuxer, @object
.size	wsvqa_demuxer, 64
wsvqa_demuxer:
.word	$LC4
.word	$LC5
.word	40
.word	wsvqa_probe
.word	wsvqa_read_header
.word	wsvqa_read_packet
.word	wsvqa_read_close
.space	36
.ident	"GCC: (GNU) 4.1.2"