header.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 3,544 行 · 第 1/4 页

.section	.text.mpeg2_header_end,"ax",@progbits
.align	2
.align	5
.globl	mpeg2_header_end
.ent	mpeg2_header_end
.type	mpeg2_header_end, @function
mpeg2_header_end:
.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	$3,16788($6)
lw	$4,17456($4)
addiu	$7,$6,17368
xori	$3,$3,0x3
sltu	$8,$3,1
sltu	$4,$4,$7
lw	$5,17184($6)
sll	$2,$8,2
xori	$4,$4,0x1
addu	$9,$2,$6
xor	$4,$8,$4
addiu	$2,$6,16976
addiu	$3,$6,17280
andi	$5,$5,0x8
movz	$7,$3,$4
sw	$0,16($2)
sw	$0,32($2)
sw	$0,28($2)
sw	$0,24($2)
sw	$0,20($2)
sw	$0,12($2)
bne	$5,$0,$L140
sw	$0,8($2)

lw	$3,4($7)
li	$2,1			# 0x1
addiu	$4,$7,44
beq	$3,$2,$L148
sw	$7,16996($6)

lw	$2,17460($9)
lw	$3,17564($6)
beq	$3,$0,$L149
sw	$2,17004($6)

$L144:
lui	$3,%hi(seek_sequence)
addiu	$3,$3,%lo(seek_sequence)
li	$2,8			# 0x8
j	$31
sw	$3,17028($6)

$L140:
lw	$3,17564($6)
sll	$2,$8,2
bne	$3,$0,$L144
addu	$2,$2,$6

lw	$2,17460($2)
lui	$3,%hi(seek_sequence)
sw	$2,17008($6)
addiu	$3,$3,%lo(seek_sequence)
li	$2,8			# 0x8
j	$31
sw	$3,17028($6)

$L149:
lw	$2,17464($9)
$L150:
lui	$3,%hi(seek_sequence)
sw	$2,17008($6)
addiu	$3,$3,%lo(seek_sequence)
li	$2,8			# 0x8
j	$31
sw	$3,17028($6)

$L148:
lw	$2,17460($9)
lw	$3,17564($6)
sw	$4,17000($6)
bne	$3,$0,$L144
sw	$2,17004($6)

j	$L150
lw	$2,17464($9)

.set	macro
.set	reorder
.end	mpeg2_header_end
.section	.text.copy_matrix,"ax",@progbits
.align	2
.align	5
.ent	copy_matrix
.type	copy_matrix, @function
copy_matrix:
.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
.mask	0x803f0000,-8
.fmask	0x00000000,0
sll	$2,$5,6
addiu	$sp,$sp,-48
addiu	$3,$2,17856
addiu	$2,$2,17600
sw	$19,28($sp)
sw	$18,24($sp)
addu	$19,$4,$3
addu	$18,$4,$2
sw	$17,20($sp)
sw	$16,16($sp)
addiu	$17,$19,5
addiu	$16,$18,5
sw	$21,36($sp)
sw	$20,32($sp)
move	$21,$5
move	$20,$4
sw	$31,40($sp)
move	$4,$16
move	$5,$17
.set	noreorder
.set	nomacro
jal	memcmp
li	$6,64			# 0x40
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$2,$0,$L160
andi	$2,$16,0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L154
andi	$2,$17,0x3
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
bne	$2,$0,$L162
move	$4,$16
.set	macro
.set	reorder

addiu	$5,$18,65
addiu	$4,$18,1
sltu	$2,$4,$5
.set	noreorder
.set	nomacro
beq	$2,$0,$L157
addiu	$3,$19,1
.set	macro
.set	reorder

$L159:
#APP
.word	0b01110000011000000000010001010100	#S32LDI XR1,$3,4
.word	0b01110000011000000000010010010100	#S32LDI XR2,$3,4
.word	0b01110000011000000000010011010100	#S32LDI XR3,$3,4
.word	0b01110000011000000000010100010100	#S32LDI XR4,$3,4
.word	0b01110000011000000000010101010100	#S32LDI XR5,$3,4
.word	0b01110000011000000000010110010100	#S32LDI XR6,$3,4
.word	0b01110000011000000000010111010100	#S32LDI XR7,$3,4
.word	0b01110000011000000000011000010100	#S32LDI XR8,$3,4
.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,$5
bne	$2,$0,$L159
$L157:
addu	$3,$21,$20
li	$2,-1
sb	$2,17601($3)
$L160:
lw	$31,40($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)
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,48
.set	macro
.set	reorder

$L154:
move	$4,$16
$L162:
move	$5,$17
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,64			# 0x40
.set	macro
.set	reorder

addu	$3,$21,$20
li	$2,-1
.set	noreorder
.set	nomacro
j	$L160
sb	$2,17601($3)
.set	macro
.set	reorder

.end	copy_matrix
.section	.text.mpeg2_header_picture_start,"ax",@progbits
.align	2
.align	5
.globl	mpeg2_header_picture_start
.ent	mpeg2_header_picture_start
.type	mpeg2_header_picture_start, @function
mpeg2_header_picture_start:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$5,$4,17236
lw	$2,17032($4)
sw	$0,16($5)
sw	$0,12($5)
sw	$0,8($5)
move	$6,$4
xori	$2,$2,0x5
lw	$7,17072($4)
li	$3,4			# 0x4
li	$4,6			# 0x6
movz	$3,$4,$2
beq	$7,$0,$L167
sw	$3,17032($6)

lw	$2,17076($6)
slt	$2,$2,4
beq	$2,$0,$L173
slt	$3,$7,2

bne	$3,$0,$L167
li	$2,1			# 0x1

lw	$3,17064($6)
sw	$2,17072($6)
sw	$3,8($5)
lw	$4,17068($6)
li	$2,128			# 0x80
sw	$2,16($5)
sw	$4,12($5)
$L167:
lh	$2,17592($6)
lh	$3,17594($6)
move	$4,$6
sw	$2,20($5)
sw	$2,36($5)
sw	$2,28($5)
sw	$3,40($5)
sw	$3,32($5)
j	mpeg2_parse_header
sw	$3,24($5)

$L173:
lw	$2,17056($6)
sw	$0,17072($6)
sw	$2,8($5)
lw	$3,17060($6)
li	$2,128			# 0x80
sw	$2,16($5)
sw	$3,12($5)
lh	$2,17592($6)
lh	$3,17594($6)
move	$4,$6
sw	$2,20($5)
sw	$2,36($5)
sw	$2,28($5)
sw	$3,40($5)
sw	$3,32($5)
j	mpeg2_parse_header
sw	$3,24($5)

.set	macro
.set	reorder
.end	mpeg2_header_picture_start
.section	.text.mpeg2_header_gop_finalize,"ax",@progbits
.align	2
.align	5
.globl	mpeg2_header_gop_finalize
.ent	mpeg2_header_gop_finalize
.type	mpeg2_header_gop_finalize, @function
mpeg2_header_gop_finalize:
.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
.mask	0x00000000,0
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

move	$7,$4
lw	$5,17224($7)
lw	$4,17220($4)
lw	$6,17096($7)
addiu	$2,$7,16976
addiu	$3,$7,17228
sw	$4,17228($7)
sw	$5,17232($7)
addiu	$8,$6,-3
sw	$3,16980($7)
sw	$0,16($2)
sw	$0,12($2)
sw	$0,8($2)
sw	$0,24($2)
sw	$0,20($2)
sw	$0,32($2)
beq	$6,$0,$L178
sw	$0,28($2)

lw	$2,17040($7)
sw	$8,17016($7)
sw	$2,17012($7)
$L178:
j	$31
nop

.set	macro
.set	reorder
.end	mpeg2_header_gop_finalize
.section	.text.mpeg2_header_slice_start,"ax",@progbits
.align	2
.align	5
.globl	mpeg2_header_slice_start
.ent	mpeg2_header_slice_start
.type	mpeg2_header_slice_start, @function
mpeg2_header_slice_start:
.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
.mask	0x80010000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$16,16($sp)
sw	$31,20($sp)
lw	$3,17456($4)
sw	$0,17016($4)
lw	$2,4($3)
move	$16,$4
sltu	$2,$2,2
bne	$2,$0,$L241
sw	$0,17012($4)

$L180:
li	$2,7			# 0x7
lw	$13,16788($16)
$L251:
sw	$2,17032($16)
li	$2,4			# 0x4
beq	$13,$2,$L184
nop

lb	$3,17600($16)
lb	$2,17601($16)
beq	$2,$3,$L186
lui	$2,%hi(non_linear_scale.4002)

addiu	$10,$2,%lo(non_linear_scale.4002)
addiu	$8,$16,16828
move	$9,$0
addiu	$11,$16,17605
beq	$3,$0,$L189
sb	$3,17601($16)

$L242:
lw	$6,0($10)
$L191:
sll	$2,$9,7
addu	$2,$2,$16
sw	$6,0($8)
addiu	$4,$2,388
move	$3,$11
move	$5,$0
li	$7,64			# 0x40
$L192:
lbu	$2,0($3)
addiu	$5,$5,1
mul	$2,$6,$2
addiu	$3,$3,1
sh	$2,0($4)
bne	$5,$7,$L192
addiu	$4,$4,2

addiu	$9,$9,1
li	$2,32			# 0x20
addiu	$8,$8,4
beq	$9,$2,$L186
addiu	$10,$10,4

lb	$3,17600($16)
bne	$3,$0,$L242
nop

$L189:
j	$L191
sll	$6,$9,1

$L186:
lw	$3,380($16)
addiu	$2,$16,8580
beq	$3,$2,$L243
addiu	$12,$16,388

$L194:
li	$2,1			# 0x1
beq	$13,$2,$L184
nop

lb	$3,17600($16)
lb	$2,17602($16)
bne	$2,$3,$L244
lui	$2,%hi(non_linear_scale.4002)

$L204:
lw	$3,384($16)
addiu	$2,$12,12288
beq	$3,$2,$L245
nop

$L184:
lbu	$2,17093($16)
bne	$2,$0,$L220
nop

lw	$3,17456($16)
lw	$2,16($3)
ori	$2,$2,0x40
sw	$2,16($3)
$L222:
sw	$0,17028($16)
$L250:
lw	$31,20($sp)
lw	$16,16($sp)
li	$2,-1			# 0xffffffffffffffff
j	$31
addiu	$sp,$sp,24

$L220:
lw	$2,17580($16)
beq	$2,$0,$L223
nop

lw	$4,352($16)
lw	$5,17460($16)
lw	$6,17456($16)
jal	$2
lw	$7,16980($16)

lw	$3,16788($16)
li	$2,3			# 0x3
beq	$3,$2,$L246
addiu	$5,$16,17548

lw	$2,17560($16)
addiu	$4,$16,17524
sll	$3,$2,2
sll	$6,$2,4
xori	$2,$2,0x1
subu	$6,$6,$3
sll	$5,$2,4
sll	$2,$2,2
addu	$6,$4,$6
subu	$5,$5,$2
addu	$5,$4,$5
move	$7,$6
jal	mpeg2_init_fbuf
move	$4,$16

lw	$3,17032($16)
li	$2,7			# 0x7
bne	$3,$2,$L222
nop

lw	$2,17560($16)
sw	$0,17028($16)
xori	$2,$2,0x1
sw	$2,17560($16)
lw	$31,20($sp)
lw	$16,16($sp)
li	$2,-1			# 0xffffffffffffffff
j	$31
addiu	$sp,$sp,24

$L244:
addiu	$10,$2,%lo(non_linear_scale.4002)
addiu	$8,$16,16828
move	$9,$0
addiu	$11,$16,17669
beq	$3,$0,$L207
sb	$3,17602($16)

$L247:
lw	$6,0($10)
$L209:
sll	$2,$9,7
addu	$2,$2,$16
sw	$6,0($8)
addiu	$4,$2,4484
move	$3,$11
move	$5,$0
li	$7,64			# 0x40
$L210:
lbu	$2,0($3)
addiu	$5,$5,1
mul	$2,$6,$2
addiu	$3,$3,1
sh	$2,0($4)
bne	$5,$7,$L210
addiu	$4,$4,2

addiu	$9,$9,1
li	$2,32			# 0x20
addiu	$8,$8,4
beq	$9,$2,$L204
addiu	$10,$10,4

lb	$3,17600($16)
bne	$3,$0,$L247
nop

$L207:
j	$L209
sll	$6,$9,1

$L241:
lw	$3,17032($4)
li	$2,6			# 0x6
beq	$3,$2,$L180
li	$2,5			# 0x5

j	$L251
lw	$13,16788($16)

$L245:
lb	$3,17600($16)
lb	$2,17604($16)
beq	$2,$3,$L184
lui	$2,%hi(non_linear_scale.4002)

addiu	$10,$2,%lo(non_linear_scale.4002)
addiu	$8,$16,16828
move	$9,$0
addiu	$11,$16,17797
beq	$3,$0,$L215
sb	$3,17604($16)

$L248:
lw	$6,0($10)
$L217:
sll	$2,$9,7
addu	$2,$2,$16
sw	$6,0($8)
addiu	$4,$2,12676
move	$3,$11
move	$5,$0
li	$7,64			# 0x40
$L218:
lbu	$2,0($3)
addiu	$5,$5,1
mul	$2,$6,$2
addiu	$3,$3,1
sh	$2,0($4)
bne	$5,$7,$L218
addiu	$4,$4,2

addiu	$9,$9,1
li	$2,32			# 0x20
addiu	$8,$8,4
beq	$9,$2,$L184
addiu	$10,$10,4

lb	$3,17600($16)
bne	$3,$0,$L248
nop

$L215:
j	$L217
sll	$6,$9,1

$L223:
xori	$2,$13,0x3
sltu	$2,$2,1
sll	$2,$2,2
addu	$2,$2,$16
lw	$7,17460($2)
lw	$5,17460($16)
lw	$6,17464($2)
jal	mpeg2_init_fbuf
move	$4,$16

j	$L250
sw	$0,17028($16)

$L246:
lw	$3,17560($16)
addiu	$4,$16,17524
xori	$2,$3,0x1
sll	$6,$2,4
sll	$7,$3,4
sll	$2,$2,2
sll	$3,$3,2
subu	$6,$6,$2
subu	$7,$7,$3
addu	$7,$4,$7
addu	$6,$4,$6
jal	mpeg2_init_fbuf
move	$4,$16

j	$L250
sw	$0,17028($16)

$L243:
lb	$3,17600($16)
lb	$2,17603($16)
beq	$2,$3,$L194
lui	$2,%hi(non_linear_scale.4002)

addiu	$10,$2,%lo(non_linear_scale.4002)
addiu	$8,$16,16828
move	$9,$0
addiu	$11,$16,17733
beq	$3,$0,$L198
sb	$3,17603($16)

$L249:
lw	$6,0($10)
$L200:
sll	$2,$9,7
addu	$2,$2,$16
sw	$6,0($8)
addiu	$4,$2,8580
move	$3,$11
move	$5,$0
li	$7,64			# 0x40
$L201:
lbu	$2,0($3)
addiu	$5,$5,1
mul	$2,$6,$2
addiu	$3,$3,1
sh	$2,0($4)
bne	$5,$7,$L201
addiu	$4,$4,2

addiu	$9,$9,1
li	$2,32			# 0x20
addiu	$8,$8,4
beq	$9,$2,$L194
addiu	$10,$10,4

lb	$3,17600($16)
bne	$3,$0,$L249
nop

$L198:
j	$L200
sll	$6,$9,1

.set	macro
.set	reorder
.end	mpeg2_header_slice_start
.section	.text.mpeg2_header_sequence_finalize,"ax",@progbits
.align	2
.align	5
.globl	mpeg2_header_sequence_finalize
.ent	mpeg2_header_sequence_finalize
.type	mpeg2_header_sequence_finalize, @function
mpeg2_header_sequence_finalize:
.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
.mask	0x800f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$18,24($sp)
sw	$17,20($sp)
sw	$31,32($sp)
sw	$19,28($sp)
sw	$16,16($sp)
addiu	$17,$4,17100
lw	$2,16($17)
move	$18,$4
sll	$5,$2,3
sll	$2,$2,1
addu	$2,$2,$5
lw	$4,24($17)
sll	$3,$2,2
addu	$3,$2,$3
andi	$4,$4,0x1
beq	$4,$0,$L253
sw	$3,16($17)

lw	$3,44($17)
li	$2,2			# 0x2
beq	$3,$2,$L257
sltu	$2,$3,3

bne	$2,$0,$L312
li	$2,1			# 0x1

li	$2,3			# 0x3
beq	$3,$2,$L258
li	$2,4			# 0x4

beq	$3,$2,$L313
li	$5,221			# 0xdd

$L268:
sw	$0,48($17)
sw	$0,44($17)
lw	$16,17596($18)
andi	$2,$16,0x1
beq	$2,$0,$L324
andi	$2,$16,0x4

$L317:
move	$4,$18
jal	copy_matrix
move	$5,$0

lw	$16,17596($18)
andi	$2,$16,0x4
beq	$2,$0,$L325
andi	$2,$16,0x5

$L278:
addiu	$4,$18,17605
addiu	$5,$18,17989
jal	memcmp
li	$6,64			# 0x40

beq	$2,$0,$L325
andi	$2,$16,0x5

move	$4,$18
jal	copy_matrix
li	$5,2			# 0x2

lw	$16,17596($18)
addiu	$2,$18,8580
j	$L280
sw	$2,380($18)

$L253:
li	$2,13041664			# 0xc70000
ori	$2,$2,0xffce
beq	$3,$2,$L314
nop

lw	$4,44($17)
sltu	$2,$4,16
bne	$2,$0,$L315
nop

$L308:
sll	$5,$4,2
$L267:
sll	$2,$4,4
subu	$2,$2,$5
subu	$2,$2,$4
sll	$2,$2,3
addiu	$2,$2,1171
li	$3,2000			# 0x7d0
sw	$3,44($17)
j	$L310
sw	$2,48($17)

$L316:
move	$3,$4
$L310:
div	$0,$2,$3
teq	$3,$0,7
mfhi	$4
bne	$4,$0,$L316
move	$2,$3

move	$4,$3
lw	$2,44($17)
$L323:
lw	$3,48($17)
divu	$0,$2,$4
teq	$4,$0,7
mflo	$2
divu	$0,$3,$4
teq	$4,$0,7
sw	$2,44($17)
mflo	$3
sw	$3,48($17)
$L261:
lw	$16,17596($18)
andi	$2,$16,0x1
bne	$2,$0,$L317
andi	$2,$16,0x4

$L324:
bne	$2,$0,$L278
andi	$2,$16,0x5

$L325:
beq	$2,$0,$L326
andi	$2,$16,0x2

addiu	$2,$18,388
sw	$2,380($18)
$L280:
andi	$2,$16,0x2
$L326:
bne	$2,$0,$L318
andi	$2,$16,0x8

bne	$2,$0,$L327
addiu	$4,$18,17669

andi	$2,$16,0xa
$L328:
beq	$2,$0,$L288
addiu	$2,$18,4484

sw	$2,384($18)
$L288:
lw	$2,24($17)
lw	$6,17160($18)
xori	$2,$2,0x1
andi	$2,$2,0x1
sw	$2,16824($18)
lw	$3,0($17)
sw	$3,16772($18)
lw	$4,4($17)
sw	$4,16776($18)
lw	$2,32($17)
sltu	$2,$2,2801
xori	$2,$2,0x1
sw	$2,16780($18)
lw	$3,8($17)
lw	$5,0($17)
lw	$2,12($17)
lw	$4,4($17)
xor	$3,$3,$5
xor	$2,$2,$4
sltu	$2,$2,1
sltu	$3,$3,1
addu	$3,$3,$2
li	$2,-1			# 0xffffffffffffffff
beq	$6,$2,$L290
sw	$3,16784($18)

lw	$2,17176($18)
addiu	$16,$18,17160
lw	$19,16($17)
move	$4,$16
sw	$2,16($17)
move	$5,$17
jal	memcmp
li	$6,60			# 0x3c

beq	$2,$0,$L292
li	$2,2			# 0x2

lw	$2,0($17)
lw	$4,17456($18)
sw	$2,44($18)
sw	$19,16($17)
lw	$2,16788($18)
addiu	$6,$18,17368
sltu	$4,$4,$6
xori	$2,$2,0x3
lw	$5,17184($18)