rmdec.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 3,831 行 · 第 1/4 页

.file	1 "rmdec.c"
.section .mdebug.abi32
.previous
.section	.text.rm_probe,"ax",@progbits
.align	2
.align	5
.ent	rm_probe
.type	rm_probe, @function
rm_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	$4,4($4)
li	$2,46			# 0x2e
lbu	$3,0($4)
beq	$3,$2,$L15
nop

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

$L15:
lbu	$3,1($4)
li	$2,82			# 0x52
beq	$3,$2,$L16
li	$2,114			# 0x72

bne	$3,$2,$L2
nop

lbu	$3,2($4)
li	$2,97			# 0x61
bne	$3,$2,$L2
nop

lbu	$3,3($4)
li	$2,253			# 0xfd
bne	$3,$2,$L2
nop

j	$31
li	$2,100			# 0x64

$L16:
lbu	$3,2($4)
li	$2,77			# 0x4d
bne	$3,$2,$L2
nop

lbu	$3,3($4)
li	$2,70			# 0x46
bne	$3,$2,$L2
nop

lbu	$2,4($4)
bne	$2,$0,$L2
nop

lbu	$2,5($4)
bne	$2,$0,$L2
nop

li	$2,100			# 0x64
j	$31
nop

.set	macro
.set	reorder
.end	rm_probe
.section	.text.rm_sync,"ax",@progbits
.align	2
.align	5
.ent	rm_sync
.type	rm_sync, @function
rm_sync:
.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-56
sw	$fp,48($sp)
sw	$23,44($sp)
sw	$22,40($sp)
sw	$21,36($sp)
sw	$20,32($sp)
sw	$18,24($sp)
sw	$31,52($sp)
sw	$19,28($sp)
sw	$17,20($sp)
sw	$16,16($sp)
lw	$fp,72($sp)
lw	$19,12($4)
move	$20,$4
move	$21,$5
move	$23,$6
sw	$7,68($sp)
addiu	$18,$4,16
li	$22,-1			# 0xffffffffffffffff
$L47:
jal	url_feof
move	$4,$18

bne	$2,$0,$L51
li	$17,-1			# 0xffffffffffffffff

$L20:
jal	url_ftell
move	$4,$18

lw	$17,96($19)
sw	$2,0($fp)
blez	$17,$L21
sw	$3,4($fp)

move	$2,$0
li	$3,-2147483648			# 0xffffffff80000000
lw	$16,92($19)
sw	$2,0($21)
sw	$3,4($21)
sw	$0,0($23)
$L23:
lw	$6,96($20)
beq	$6,$0,$L53
move	$4,$18

lw	$2,100($20)
lw	$3,4($2)
beq	$16,$3,$L29
move	$4,$20

j	$L31
move	$5,$0

$L32:
lw	$3,104($4)
lw	$2,4($3)
beq	$16,$2,$L33
addiu	$4,$4,4

$L31:
addiu	$5,$5,1
bne	$5,$6,$L32
nop

$L33:
bne	$6,$5,$L52
lw	$2,68($sp)

$L26:
move	$4,$18
$L53:
move	$6,$17
jal	url_fskip
sra	$7,$17,31

lw	$2,96($19)
move	$4,$18
subu	$2,$2,$17
jal	url_feof
sw	$2,96($19)

beq	$2,$0,$L20
li	$17,-1			# 0xffffffffffffffff

$L51:
move	$2,$17
lw	$31,52($sp)
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($sp)
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,56

$L21:
jal	get_byte
move	$4,$18

sll	$3,$22,8
addu	$22,$3,$2
li	$2,1229848576			# 0x494e0000
ori	$2,$2,0x4458
beq	$22,$2,$L50
addiu	$17,$22,-12

li	$2,65523			# 0xfff3
sltu	$2,$2,$17
bne	$2,$0,$L47
nop

jal	get_be16
move	$4,$18

move	$4,$18
jal	get_be32
move	$16,$2

sw	$2,0($21)
move	$4,$18
jal	get_byte
sw	$0,4($21)

jal	get_byte
move	$4,$18

li	$22,-1			# 0xffffffffffffffff
j	$L23
sw	$2,0($23)

$L29:
move	$5,$0
lw	$2,68($sp)
$L52:
sw	$5,0($2)
lw	$31,52($sp)
move	$2,$17
lw	$fp,48($sp)
lw	$23,44($sp)
lw	$22,40($sp)
lw	$21,36($sp)
lw	$20,32($sp)
lw	$19,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
j	$31
addiu	$sp,$sp,56

$L50:
jal	get_be16
move	$4,$18

addiu	$17,$2,-6
bgez	$17,$L53
move	$4,$18

j	$L47
nop

.set	macro
.set	reorder
.end	rm_sync
.section	.text.rm_read_dts,"ax",@progbits
.align	2
.align	5
.ent	rm_read_dts
.type	rm_read_dts, @function
rm_read_dts:
.frame	$sp,104,$31		# vars= 24, regs= 10/0, args= 40, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-104
sw	$21,84($sp)
sw	$20,80($sp)
sw	$18,72($sp)
sw	$31,100($sp)
sw	$fp,96($sp)
sw	$23,92($sp)
sw	$22,88($sp)
sw	$19,76($sp)
sw	$17,68($sp)
sw	$16,64($sp)
lw	$16,12($4)
move	$20,$6
lw	$7,4($20)
lw	$6,0($6)
lw	$2,88($16)
move	$18,$4
move	$21,$5
sw	$6,48($sp)
beq	$2,$0,$L55
sw	$7,52($sp)

$L70:
move	$4,$0
li	$5,-2147483648			# 0xffffffff80000000
$L57:
lw	$31,100($sp)
lw	$fp,96($sp)
lw	$23,92($sp)
lw	$22,88($sp)
lw	$21,84($sp)
lw	$20,80($sp)
lw	$19,76($sp)
lw	$18,72($sp)
lw	$17,68($sp)
lw	$16,64($sp)
move	$2,$4
move	$3,$5
j	$31
addiu	$sp,$sp,104

$L55:
addiu	$19,$4,16
move	$4,$19
sw	$0,16($sp)
jal	url_fseek
addiu	$23,$sp,44

addiu	$fp,$sp,48
sw	$0,96($16)
addiu	$22,$sp,40
move	$4,$18
$L73:
addiu	$5,$sp,56
move	$6,$23
move	$7,$22
jal	rm_sync
sw	$fp,16($sp)

move	$16,$2
bltz	$2,$L70
move	$4,$19

lw	$2,40($sp)
sll	$2,$2,2
addu	$2,$2,$18
lw	$17,100($2)
lw	$3,8($17)
lw	$2,224($3)
beq	$2,$0,$L71
nop

$L61:
li	$2,1			# 0x1
andi	$3,$2,0x7f
$L74:
lw	$2,44($sp)
andi	$2,$2,0x2
beq	$2,$0,$L65
li	$2,1			# 0x1

beq	$3,$2,$L72
move	$4,$17

$L65:
move	$6,$16
sra	$7,$16,31
jal	url_fskip
move	$4,$19

j	$L73
move	$4,$18

$L71:
jal	get_byte
addiu	$16,$16,-1

andi	$2,$2,0x40
bne	$2,$0,$L61
move	$4,$19

jal	get_byte
addiu	$16,$16,-1

j	$L74
andi	$3,$2,0x7f

$L72:
sw	$3,32($sp)
lw	$2,56($sp)
lw	$3,60($sp)
lw	$6,48($sp)
lw	$7,52($sp)
sw	$3,20($sp)
sw	$0,24($sp)
sw	$0,28($sp)
jal	av_add_index_entry
sw	$2,16($sp)

lw	$3,40($sp)
bne	$3,$21,$L65
lw	$5,60($sp)

lw	$4,56($sp)
lw	$2,48($sp)
lw	$3,52($sp)
sw	$2,0($20)
j	$L57
sw	$3,4($20)

.set	macro
.set	reorder
.end	rm_read_dts
.section	.text.rm_read_close,"ax",@progbits
.align	2
.align	5
.ent	rm_read_close
.type	rm_read_close, @function
rm_read_close:
.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
sw	$31,16($sp)
lw	$2,12($4)
jal	av_free
lw	$4,100($2)

lw	$31,16($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	rm_read_close
.section	.text.rm_read_packet,"ax",@progbits
.align	2
.align	5
.ent	rm_read_packet
.type	rm_read_packet, @function
rm_read_packet:
.frame	$sp,128,$31		# vars= 48, regs= 10/0, args= 40, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-128
sw	$fp,120($sp)
sw	$22,112($sp)
sw	$19,100($sp)
sw	$31,124($sp)
sw	$23,116($sp)
sw	$21,108($sp)
sw	$20,104($sp)
sw	$18,96($sp)
sw	$17,92($sp)
sw	$16,88($sp)
lw	$17,12($4)
move	$fp,$4
lw	$6,132($17)
move	$22,$5
.set	noreorder
.set	nomacro
beq	$6,$0,$L78
addiu	$19,$4,16
.set	macro
.set	reorder

lw	$2,128($17)
sll	$2,$2,2
addu	$2,$2,$4
lw	$20,100($2)
li	$2,65536			# 0x10000
lw	$4,8($20)
ori	$2,$2,0x5002
lw	$3,228($4)
beq	$3,$2,$L215
lw	$5,272($4)
.set	noreorder
.set	nomacro
jal	av_new_packet
move	$4,$22
.set	macro
.set	reorder

lw	$2,136($17)
lw	$3,120($17)
lw	$4,8($20)
mul	$3,$3,$2
lw	$6,272($4)
lw	$5,132($17)
div	$0,$3,$6
teq	$6,$0,7
lw	$2,100($17)
sltu	$4,$6,32
lw	$7,16($22)
mflo	$3
subu	$3,$3,$5
mul	$8,$6,$3
.set	noreorder
.set	nomacro
bne	$4,$0,$L83
addu	$5,$8,$2
.set	macro
.set	reorder

andi	$2,$7,0x3
.set	noreorder
.set	nomacro
beq	$2,$0,$L216
andi	$2,$5,0x3
.set	macro
.set	reorder

$L83:
.set	noreorder
.set	nomacro
jal	memcpy
move	$4,$7
.set	macro
.set	reorder

$L82:
lw	$2,132($17)
$L228:
addiu	$2,$2,-1
sw	$2,132($17)
sw	$0,28($22)
lw	$2,128($17)
sw	$2,24($22)
$L94:
lw	$2,8($20)
$L230:
li	$3,65536			# 0x10000
lw	$4,228($2)
ori	$3,$3,0x5004
beq	$4,$3,$L217
$L184:
move	$2,$0
$L220:
lw	$31,124($sp)
lw	$fp,120($sp)
lw	$23,116($sp)
lw	$22,112($sp)
lw	$21,108($sp)
lw	$20,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,128
.set	macro
.set	reorder

$L78:
lw	$2,88($17)
.set	noreorder
.set	nomacro
beq	$2,$0,$L218
li	$2,65536			# 0x10000
.set	macro
.set	reorder

lw	$20,100($4)
lw	$6,8($20)
ori	$2,$2,0x3001
lw	$3,228($6)
bne	$3,$2,$L98
lw	$3,120($17)
.set	noreorder
.set	nomacro
blez	$3,$L100
srl	$2,$3,31
.set	macro
.set	reorder

move	$18,$0
$L236:
addu	$2,$2,$3
sra	$2,$2,1
.set	noreorder
.set	nomacro
blez	$2,$L107
move	$16,$0
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L240
lw	$2,136($17)
.set	macro
.set	reorder

$L219:
lw	$3,120($17)
srl	$2,$3,31
addu	$2,$2,$3
sra	$2,$2,1
slt	$2,$16,$2
beq	$2,$0,$L107
lw	$2,136($17)
$L240:
lw	$6,124($17)
sll	$2,$2,1
mult	$2,$16
lw	$5,100($17)
madd	$6,$18
move	$4,$19
mflo	$2
addiu	$16,$16,1
.set	noreorder
.set	nomacro
jal	get_buffer
addu	$5,$2,$5
.set	macro
.set	reorder

bgtz	$2,$L219
$L105:
lw	$31,124($sp)
lw	$fp,120($sp)
lw	$23,116($sp)
lw	$22,112($sp)
lw	$21,108($sp)
lw	$20,104($sp)
lw	$19,100($sp)
lw	$18,96($sp)
lw	$17,92($sp)
lw	$16,88($sp)
li	$2,-5			# 0xfffffffffffffffb
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,128
.set	macro
.set	reorder

$L217:
lw	$2,20($22)
.set	noreorder
.set	nomacro
blez	$2,$L184
lw	$4,16($22)
.set	macro
.set	reorder

move	$5,$0
$L187:
lbu	$2,1($4)
lbu	$3,0($4)
sb	$2,0($4)
sb	$3,1($4)
lw	$2,20($22)
addiu	$5,$5,2
slt	$2,$5,$2
.set	noreorder
.set	nomacro
bne	$2,$0,$L187
addiu	$4,$4,2
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L220
move	$2,$0
.set	macro
.set	reorder

$L107:
addiu	$18,$18,1
slt	$2,$18,$3
.set	noreorder
.set	nomacro
bne	$2,$0,$L236
srl	$2,$3,31
.set	macro
.set	reorder

lw	$6,8($20)
$L100:
lw	$2,136($17)
sw	$0,128($17)
mul	$2,$3,$2
lw	$3,272($6)
move	$4,$22
div	$0,$2,$3
teq	$3,$0,7
mflo	$2
addiu	$2,$2,-1
sw	$2,132($17)
.set	noreorder
.set	nomacro
jal	av_new_packet
lw	$5,272($6)
.set	macro
.set	reorder

lw	$3,8($20)
lw	$5,100($17)
lw	$6,272($3)
sltu	$2,$6,32
.set	noreorder
.set	nomacro
bne	$2,$0,$L108
lw	$4,16($22)
.set	macro
.set	reorder

andi	$2,$4,0x3
bne	$2,$0,$L108
andi	$2,$5,0x3
bne	$2,$0,$L108
li	$2,-32			# 0xffffffffffffffe0
addiu	$4,$4,-4
and	$2,$6,$2
addu	$7,$4,$2
sltu	$3,$4,$7
.set	noreorder
.set	nomacro
beq	$3,$0,$L112
addiu	$5,$5,-4
.set	macro
.set	reorder

$L198:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000101000000000010010010100	#S32LDI XR2,$5,4
.word	0b01110000101000000000010011010100	#S32LDI XR3,$5,4
.word	0b01110000101000000000010100010100	#S32LDI XR4,$5,4
.word	0b01110000101000000000010101010100	#S32LDI XR5,$5,4
.word	0b01110000101000000000010110010100	#S32LDI XR6,$5,4
.word	0b01110000101000000000010111010100	#S32LDI XR7,$5,4
.word	0b01110000101000000000011000010100	#S32LDI XR8,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$7
bne	$2,$0,$L198
$L112:
andi	$2,$6,0x1c
addu	$7,$7,$2
sltu	$3,$4,$7
beq	$3,$0,$L114
$L199:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
#NO_APP
sltu	$2,$4,$7
bne	$2,$0,$L199
$L114:
andi	$6,$6,0x3
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$6,$2,$L118
li	$2,3			# 0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$6,$2,$L119
li	$2,1			# 0x1
.set	macro
.set	reorder

beq	$6,$2,$L221
$L116:
lw	$2,28($22)
$L232:
sw	$0,24($22)
ori	$2,$2,0x1
.set	noreorder
.set	nomacro
j	$L94
sw	$2,28($22)
.set	macro
.set	reorder

$L215:
lw	$2,112($17)
move	$4,$19
subu	$2,$2,$6
sll	$2,$2,2
addu	$2,$2,$17
.set	noreorder
.set	nomacro
jal	av_get_packet
lw	$6,140($2)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L228
lw	$2,132($17)
.set	macro
.set	reorder

$L216:
.set	noreorder
.set	nomacro
bne	$2,$0,$L83
li	$2,-32			# 0xffffffffffffffe0
.set	macro
.set	reorder

addiu	$4,$7,-4
and	$2,$6,$2
addu	$7,$4,$2
sltu	$3,$4,$7
.set	noreorder
.set	nomacro
beq	$3,$0,$L87
addiu	$5,$5,-4
.set	macro
.set	reorder

$L194:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000101000000000010010010100	#S32LDI XR2,$5,4
.word	0b01110000101000000000010011010100	#S32LDI XR3,$5,4
.word	0b01110000101000000000010100010100	#S32LDI XR4,$5,4
.word	0b01110000101000000000010101010100	#S32LDI XR5,$5,4
.word	0b01110000101000000000010110010100	#S32LDI XR6,$5,4
.word	0b01110000101000000000010111010100	#S32LDI XR7,$5,4
.word	0b01110000101000000000011000010100	#S32LDI XR8,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
.word	0b01110000100000000000010010010101	#S32SDI XR2,$4,4
.word	0b01110000100000000000010011010101	#S32SDI XR3,$4,4
.word	0b01110000100000000000010100010101	#S32SDI XR4,$4,4
.word	0b01110000100000000000010101010101	#S32SDI XR5,$4,4
.word	0b01110000100000000000010110010101	#S32SDI XR6,$4,4
.word	0b01110000100000000000010111010101	#S32SDI XR7,$4,4
.word	0b01110000100000000000011000010101	#S32SDI XR8,$4,4
#NO_APP
sltu	$2,$4,$7
bne	$2,$0,$L194
$L87:
andi	$2,$6,0x1c
addu	$7,$7,$2
sltu	$3,$4,$7
beq	$3,$0,$L89
$L195:
#APP
.word	0b01110000101000000000010001010100	#S32LDI XR1,$5,4
.word	0b01110000100000000000010001010101	#S32SDI XR1,$4,4
#NO_APP
sltu	$2,$4,$7
bne	$2,$0,$L195
$L89:
andi	$6,$6,0x3
li	$2,2			# 0x2
.set	noreorder
.set	nomacro
beq	$6,$2,$L92
li	$2,3			# 0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$6,$2,$L93
li	$2,1			# 0x1
.set	macro
.set	reorder

bne	$6,$2,$L82
lbu	$2,4($5)
.set	noreorder
.set	nomacro
j	$L82
sb	$2,4($4)
.set	macro
.set	reorder

$L218:
li	$2,1			# 0x1
sw	$2,76($sp)
$L213:
addiu	$2,$sp,56
$L229:
move	$4,$fp
addiu	$5,$sp,48
addiu	$6,$sp,44
addiu	$7,$sp,40
.set	noreorder
.set	nomacro
jal	rm_sync
sw	$2,16($sp)
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bltz	$2,$L105
move	$16,$2
.set	macro
.set	reorder

lw	$5,40($sp)
sll	$2,$5,2
addu	$2,$2,$fp
lw	$20,100($2)
lw	$6,8($20)
lw	$3,224($6)
.set	noreorder
.set	nomacro
beq	$3,$0,$L222
li	$2,1			# 0x1
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$3,$2,$L140
li	$4,65536			# 0x10000
.set	macro
.set	reorder

lw	$3,228($6)
ori	$2,$4,0x3001
.set	noreorder
.set	nomacro
beq	$3,$2,$L142
ori	$2,$4,0x5017
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$3,$2,$L142
ori	$2,$4,0x5022
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$3,$2,$L142
ori	$2,$4,0x5002
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$3,$2,$L223
move	$4,$19
.set	macro
.set	reorder

$L140:
move	$6,$16
move	$4,$19
.set	noreorder
.set	nomacro
jal	av_get_packet
move	$5,$22