header.mid

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」· MID 代码 · 共 3,544 行 · 第 1/4 页

	.file	1 "header.c"
	.section .mdebug.abi32
	.previous
	.section	.text.mpeg2_reset_info,"ax",@progbits
	.align	2
	.align	5
	.globl	mpeg2_reset_info
	.ent	mpeg2_reset_info
	.type	mpeg2_reset_info, @function
mpeg2_reset_info:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	sw	$0,16($4)
	sw	$0,12($4)
	sw	$0,8($4)
	sw	$0,24($4)
	sw	$0,20($4)
	sw	$0,32($4)
	j	$31
	sw	$0,28($4)

	.set	macro
	.set	reorder
	.end	mpeg2_reset_info
	.section	.text.sequence_ext,"ax",@progbits
	.align	2
	.align	5
	.ent	sequence_ext
	.type	sequence_ext, @function
sequence_ext:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$8,17044($4)
	move	$9,$4
	lbu	$2,3($8)
	andi	$2,$2,0x1
	beq	$2,$0,$L4
	addiu	$11,$8,3

	lbu	$3,0($8)
	lbu	$2,1($8)
	sll	$3,$3,4
	srl	$2,$2,4
	addiu	$6,$4,17100
	or	$3,$3,$2
	sb	$3,56($6)
	lbu	$2,1($8)
	lbu	$3,2($8)
	sll	$2,$2,13
	sll	$3,$3,5
	or	$2,$2,$3
	lw	$4,28($6)
	andi	$2,$2,0x3000
	addu	$4,$4,$2
	sw	$4,28($6)
	sw	$4,36($6)
	lbu	$2,2($8)
	lw	$3,32($6)
	sll	$2,$2,7
	andi	$2,$2,0x3000
	addu	$3,$3,$2
	addiu	$5,$3,15
	li	$2,-16			# 0xfffffffffffffff0
	addiu	$4,$4,15
	and	$5,$5,$2
	and	$4,$4,$2
	sw	$3,32($6)
	sw	$3,40($6)
	sw	$4,17100($9)
	sw	$5,4($6)
	lbu	$2,1($8)
	lw	$3,24($6)
	andi	$2,$2,0x8
	ori	$7,$3,0x1
	beq	$2,$0,$L16
	addiu	$10,$8,2

	lb	$2,5($8)
	ori	$3,$7,0x8
	slt	$2,$2,0
	movn	$7,$3,$2
	sw	$7,24($6)
	sw	$4,8($6)
	sw	$5,12($6)
	lbu	$2,1($8)
	andi	$3,$2,0x6
	li	$2,2			# 0x2
	beq	$3,$2,$L11
	addiu	$7,$8,5

$L17:
	li	$2,4			# 0x4
	beq	$3,$2,$L12
	nop

	beq	$3,$0,$L19
	li	$4,1			# 0x1

$L10:
	lbu	$2,0($10)
	lbu	$3,0($11)
	sll	$2,$2,25
	sll	$3,$3,17
	lw	$4,16($6)
	or	$2,$2,$3
	li	$3,1073479680			# 0x3ffc0000
	and	$2,$2,$3
	addu	$4,$4,$2
	sw	$4,16($6)
	lbu	$2,4($8)
	lw	$3,20($6)
	sll	$2,$2,21
	or	$3,$3,$2
	sw	$3,20($6)
	lbu	$2,0($7)
	lw	$4,52($6)
	andi	$3,$2,0x1f
	addiu	$3,$3,1
	mul	$3,$3,$4
	srl	$2,$2,2
	andi	$2,$2,0x3
	addiu	$2,$2,1
	divu	$0,$3,$2
	teq	$2,$0,7
	move	$4,$0
	li	$2,4			# 0x4
	mflo	$3
	sw	$3,52($6)
	sw	$2,17036($9)
	j	$31
	move	$2,$4

$L16:
	addiu	$2,$5,31
	li	$3,-32			# 0xffffffffffffffe0
	and	$2,$2,$3
	sw	$2,4($6)
	li	$4,-5			# 0xfffffffffffffffb
	move	$5,$2
	lb	$2,5($8)
	and	$7,$7,$4
	ori	$3,$7,0x8
	slt	$2,$2,0
	lw	$4,17100($9)
	movn	$7,$3,$2
	sw	$7,24($6)
	sw	$4,8($6)
	sw	$5,12($6)
	lbu	$2,1($8)
	andi	$3,$2,0x6
	li	$2,2			# 0x2
	bne	$3,$2,$L17
	addiu	$7,$8,5

	j	$L18
	srl	$2,$5,1

$L4:
	li	$4,1			# 0x1
$L19:
	j	$31
	move	$2,$4

$L11:
	srl	$2,$5,1
$L18:
	sw	$2,12($6)
$L12:
	lw	$2,8($6)
	srl	$2,$2,1
	j	$L10
	sw	$2,8($6)

	.set	macro
	.set	reorder
	.end	sequence_ext
	.section	.text.sequence_display_ext,"ax",@progbits
	.align	2
	.align	5
	.ent	sequence_display_ext
	.type	sequence_display_ext, @function
sequence_display_ext:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$5,17044($4)
	li	$7,1			# 0x1
	lbu	$2,0($5)
	andi	$2,$2,0x1
	beq	$2,$0,$L21
	addiu	$6,$4,17100

	lbu	$2,1($5)
	sb	$2,57($6)
	lbu	$3,2($5)
	addiu	$5,$5,3
	sb	$3,58($6)
	lbu	$2,0($5)
	sb	$2,59($6)
$L21:
	lbu	$4,2($5)
	andi	$2,$4,0x2
	beq	$2,$0,$L25
	srl	$3,$4,2

	lbu	$2,1($5)
	sll	$2,$2,6
	or	$2,$2,$3
	bne	$2,$0,$L31
	move	$7,$0

	lbu	$2,4($5)
	lbu	$3,3($5)
	srl	$2,$2,3
	andi	$4,$4,0x1
	sll	$3,$3,5
	or	$3,$3,$2
	sll	$4,$4,13
	or	$2,$4,$3
	beq	$2,$0,$L25
	nop

$L32:
	sw	$2,40($6)
	move	$7,$0
$L25:
	j	$31
	move	$2,$7

$L31:
	sw	$2,36($6)
	lbu	$4,2($5)
	lbu	$2,4($5)
	lbu	$3,3($5)
	srl	$2,$2,3
	andi	$4,$4,0x1
	sll	$3,$3,5
	or	$3,$3,$2
	sll	$4,$4,13
	or	$2,$4,$3
	bne	$2,$0,$L32
	nop

	j	$L25
	nop

	.set	macro
	.set	reorder
	.end	sequence_display_ext
	.section	.text.mpeg2_header_gop,"ax",@progbits
	.align	2
	.align	5
	.globl	mpeg2_header_gop
	.ent	mpeg2_header_gop
	.type	mpeg2_header_gop, @function
mpeg2_header_gop:
	.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
	addiu	$5,$4,17220
	lw	$4,17044($4)
	lbu	$2,1($4)
	andi	$2,$2,0x8
	beq	$2,$0,$L36
	li	$7,1			# 0x1

	lbu	$3,0($4)
	move	$7,$0
	srl	$3,$3,2
	andi	$3,$3,0x1f
	sb	$3,17220($6)
	lbu	$2,0($4)
	lbu	$3,1($4)
	sll	$2,$2,4
	srl	$3,$3,4
	or	$2,$2,$3
	andi	$2,$2,0x3f
	sb	$2,1($5)
	lbu	$3,1($4)
	lbu	$2,2($4)
	sll	$3,$3,3
	srl	$2,$2,5
	or	$3,$3,$2
	andi	$3,$3,0x3f
	sb	$3,2($5)
	lbu	$2,2($4)
	lbu	$3,3($4)
	sll	$2,$2,1
	srl	$3,$3,7
	or	$2,$2,$3
	andi	$2,$2,0x3f
	sb	$2,3($5)
	lbu	$3,3($4)
	lbu	$4,0($4)
	srl	$3,$3,4
	srl	$4,$4,7
	andi	$3,$3,0x6
	or	$4,$4,$3
	li	$2,3			# 0x3
	sw	$4,4($5)
	sw	$2,17032($6)
$L36:
	j	$31
	move	$2,$7

	.set	macro
	.set	reorder
	.end	mpeg2_header_gop
	.section	.text.mpeg2_set_fbuf,"ax",@progbits
	.align	2
	.align	5
	.globl	mpeg2_set_fbuf
	.ent	mpeg2_set_fbuf
	.type	mpeg2_set_fbuf, @function
mpeg2_set_fbuf:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$6,17464($4)
	addiu	$3,$4,17472
	beq	$6,$3,$L39
	nop

	lw	$2,17468($4)
	bne	$3,$2,$L41
	nop

$L39:
	addiu	$3,$4,17488
	beq	$6,$3,$L42
	nop

	lw	$2,17468($4)
	bne	$3,$2,$L41
	nop

$L42:
	addiu	$3,$4,17504
	beq	$6,$3,$L51
	nop

	lw	$2,17468($4)
	bne	$3,$2,$L41
	nop

$L51:
	j	$31
	nop

$L41:
	sw	$3,17460($4)
	bne	$5,$0,$L46
	sw	$3,16992($4)

	lw	$2,17184($4)
	andi	$2,$2,0x8
	beq	$2,$0,$L51
	nop

	lw	$2,17564($4)
	beq	$2,$0,$L49
	nop

$L46:
	sw	$3,17008($4)
$L49:
	lw	$2,17460($4)
	j	$31
	sw	$2,17004($4)

	.set	macro
	.set	reorder
	.end	mpeg2_set_fbuf
	.section	.text.mpeg2_header_picture,"ax",@progbits
	.align	2
	.align	5
	.globl	mpeg2_header_picture
	.ent	mpeg2_header_picture
	.type	mpeg2_header_picture, @function
mpeg2_header_picture:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$8,17044($4)
	li	$2,256			# 0x100
	lbu	$5,1($8)
	sw	$2,17036($4)
	lbu	$6,0($8)
	lbu	$3,1($8)
	addiu	$9,$4,17236
	srl	$5,$5,3
	move	$7,$4
	andi	$5,$5,0x7
	lw	$4,16($9)
	sll	$6,$6,2
	srl	$3,$3,6
	addiu	$2,$5,-2
	or	$6,$6,$3
	or	$4,$4,$5
	sltu	$2,$2,2
	sw	$4,16($9)
	beq	$2,$0,$L53
	sw	$6,17236($7)

	lbu	$3,3($8)
	srl	$3,$3,2
	andi	$3,$3,0x1
	sw	$3,172($7)
	lbu	$2,3($8)
	lbu	$3,4($8)
	sll	$2,$2,1
	srl	$3,$3,7
	or	$2,$2,$3
	andi	$2,$2,0x7
	addiu	$2,$2,-1
	sw	$2,168($7)
	lbu	$3,4($8)
	srl	$3,$3,6
	andi	$3,$3,0x1
	sw	$3,116($7)
	lbu	$2,4($8)
	srl	$2,$2,3
	andi	$2,$2,0x7
	addiu	$2,$2,-1
	sw	$2,112($7)
$L53:
	lui	$2,%hi(mpeg2_scan_norm)
	addiu	$2,$2,%lo(mpeg2_scan_norm)
	li	$3,2			# 0x2
	sw	$2,16816($7)
	li	$2,3			# 0x3
	sw	$3,4($9)
	li	$3,1			# 0x1
	sw	$2,16796($7)
	move	$2,$0
	sw	$3,16800($7)
	sw	$0,17596($7)
	sb	$0,17600($7)
	sw	$0,16792($7)
	j	$31
	sw	$0,16804($7)

	.set	macro
	.set	reorder
	.end	mpeg2_header_picture
	.section	.text.picture_coding_ext,"ax",@progbits
	.align	2
	.align	5
	.ent	picture_coding_ext
	.type	picture_coding_ext, @function
picture_coding_ext:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$6,17044($4)
	move	$8,$4
	lbu	$3,0($6)
	addiu	$9,$4,17236
	andi	$3,$3,0xf
	addiu	$3,$3,-1
	sw	$3,168($8)
	lbu	$2,1($6)
	li	$4,2			# 0x2
	srl	$2,$2,4
	addiu	$2,$2,-1
	sw	$2,172($8)
	lbu	$3,1($6)
	andi	$3,$3,0xf
	addiu	$3,$3,-1
	sw	$3,112($8)
	lbu	$2,2($6)
	srl	$2,$2,4
	addiu	$2,$2,-1
	sw	$2,116($8)
	lbu	$3,2($6)
	lw	$10,16($9)
	srl	$3,$3,2
	andi	$3,$3,0x3
	sw	$3,16792($8)
	lbu	$2,2($6)
	andi	$3,$2,0x3
	beq	$3,$4,$L59
	sw	$3,16796($8)

	li	$2,3			# 0x3
	beq	$3,$2,$L60
	li	$2,1			# 0x1

	beq	$3,$2,$L90
	ori	$10,$10,0x8

	j	$31
	nop

$L59:
	li	$2,1			# 0x1
$L90:
	sw	$2,4($9)
	lbu	$7,3($6)
	addiu	$4,$6,3
$L62:
	srl	$3,$7,7
$L91:
	sw	$3,16812($8)
	lbu	$2,0($4)
	srl	$2,$2,6
	andi	$2,$2,0x1
	sw	$2,16800($8)
	lbu	$3,0($4)
	srl	$3,$3,5
	andi	$3,$3,0x1
	sw	$3,16804($8)
	lbu	$2,0($4)
	andi	$2,$2,0x10
	sb	$2,17600($8)
	lbu	$3,0($4)
	srl	$3,$3,3
	andi	$3,$3,0x1
	sw	$3,16808($8)
	lbu	$2,0($4)
	andi	$2,$2,0x4
	beq	$2,$0,$L79
	lui	$2,%hi(mpeg2_scan_norm)

	lui	$2,%hi(mpeg2_scan_alt)
	addiu	$2,$2,%lo(mpeg2_scan_alt)
$L81:
	sw	$2,16816($8)
	lbu	$5,4($6)
	li	$2,16			# 0x10
	srl	$3,$5,7
	movz	$2,$0,$3
	andi	$4,$5,0x40
	beq	$4,$0,$L85
	or	$7,$2,$10

	lbu	$3,5($6)
	lbu	$4,6($6)
	sll	$3,$3,18
	sll	$2,$5,26
	or	$2,$2,$3
	sll	$4,$4,10
	or	$2,$2,$4
	li	$3,-4096			# 0xfffffffffffff000
	and	$2,$2,$3
	ori	$4,$7,0x20
	or	$7,$2,$4
$L85:
	li	$2,152			# 0x98
	sw	$7,16($9)
	sw	$2,17036($8)
	j	$31
	move	$2,$0

$L79:
	j	$L81
	addiu	$2,$2,%lo(mpeg2_scan_norm)

$L60:
	lw	$2,17184($8)
	andi	$2,$2,0x4
	beq	$2,$0,$L89
	li	$5,256			# 0x100

	lbu	$3,3($6)
	andi	$2,$3,0x2
	bne	$2,$0,$L74
	addiu	$4,$6,3

	li	$5,2			# 0x2
	sw	$5,4($9)
	j	$L62
	lbu	$7,0($4)

$L89:
	lbu	$2,3($6)
	andi	$2,$2,0x2
	movz	$3,$4,$2
	sw	$3,4($9)
	lbu	$7,3($6)
	li	$4,8			# 0x8
	andi	$2,$7,0x2
	movz	$5,$0,$2
	srl	$3,$7,7
	movz	$4,$0,$3
	or	$5,$5,$10
	or	$10,$4,$5
	j	$L91
	addiu	$4,$6,3

$L74:
	srl	$3,$3,7
	li	$5,6			# 0x6
	li	$2,4			# 0x4
	movz	$5,$2,$3
	sw	$5,4($9)
	j	$L62
	lbu	$7,0($4)

	.set	macro
	.set	reorder
	.end	picture_coding_ext
	.section	.text.picture_display_ext,"ax",@progbits
	.align	2
	.align	5
	.ent	picture_display_ext
	.type	picture_display_ext, @function
picture_display_ext:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$15,$4,17236
	lw	$14,4($15)
	lw	$2,17184($4)
	sra	$3,$14,1
	andi	$2,$2,0x4
	movn	$14,$3,$2
	move	$13,$4
	blez	$14,$L95
	lw	$2,17044($4)

	move	$9,$2
	move	$10,$15
	move	$11,$0
	j	$L97
	li	$12,11			# 0xb

$L111:
	sw	$6,20($10)
	sw	$5,24($10)
	sh	$6,17592($13)
	sh	$5,17594($13)
	beq	$14,$11,$L110
	addiu	$10,$10,8

$L97:
	lbu	$2,0($9)
	lbu	$3,1($9)
	lbu	$4,2($9)
	lbu	$8,3($9)
	sll	$3,$3,16
	sll	$2,$2,24
	or	$2,$2,$3
	sll	$5,$4,24
	sll	$6,$8,16
	lbu	$3,4($9)
	lbu	$7,5($9)
	or	$5,$5,$6
	or	$2,$2,$8
	or	$5,$5,$7
	sll	$4,$4,8
	sll	$3,$3,8
	or	$4,$4,$2
	or	$3,$3,$5
	addiu	$2,$12,-1
	sra	$4,$4,$12
	sra	$3,$3,$2
	sra	$6,$4,1
	sra	$5,$3,1
	andi	$4,$4,0x1
	sll	$6,$6,16
	sll	$5,$5,16
	and	$3,$3,$4
	sra	$6,$6,16
	sra	$5,$5,16
	addiu	$11,$11,1
	addiu	$9,$9,4
	bne	$3,$0,$L111
	addiu	$12,$12,-2

	j	$31
	li	$2,1			# 0x1

$L110:
	slt	$2,$11,3
	beq	$2,$0,$L103
	nop

$L102:
	sll	$2,$11,3
	addu	$2,$2,$15
	lh	$5,17594($13)
	lh	$4,17592($13)
	addiu	$3,$2,20
$L104:
	addiu	$11,$11,1
	slt	$2,$11,3
	sw	$4,0($3)
	sw	$5,4($3)
	bne	$2,$0,$L104
	addiu	$3,$3,8

$L103:
	j	$31
	move	$2,$0

$L95:
	j	$L102
	move	$11,$0

	.set	macro
	.set	reorder
	.end	picture_display_ext
	.section	.text.copyright_ext,"ax",@progbits
	.align	2
	.align	5
	.ent	copyright_ext
	.type	copyright_ext, @function
copyright_ext:
	.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	copyright_ext
	.section	.text.quant_matrix_ext,"ax",@progbits
	.align	2
	.align	5
	.ent	quant_matrix_ext
	.type	quant_matrix_ext, @function
quant_matrix_ext:
	.frame	$sp,8,$31		# vars= 0, regs= 2/0, args= 0, gp= 0
	.mask	0x00030000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-8
	sw	$17,4($sp)
	sw	$16,0($sp)
	lui	$2,%hi(mpeg2_scan_norm+64)
	lw	$12,17044($4)
	move	$13,$4
	addiu	$17,$2,%lo(mpeg2_scan_norm+64)
	move	$11,$0
	li	$15,8			# 0x8
	li	$24,3			# 0x3
	lui	$25,%hi(mpeg2_scan_norm)
	li	$16,1			# 0x1
	li	$14,4			# 0x4
	move	$7,$4
$L115:
	lbu	$2,0($12)
	sra	$3,$15,$11
	and	$2,$2,$3
	beq	$2,$0,$L116
	nop

	addiu	$9,$11,5
	subu	$8,$24,$11
	move	$5,$12
	addiu	$6,$25,%lo(mpeg2_scan_norm)
	move	$10,$17
$L118:
	lbu	$2,0($5)
	lbu	$3,1($5)
	lbu	$4,0($6)
	sll	$2,$2,$9
	sra	$3,$3,$8
	or	$2,$2,$3
	addu	$4,$7,$4
	addiu	$6,$6,1
	sb	$2,17861($4)
	bne	$6,$10,$L118
	addiu	$5,$5,1

	lw	$2,17596($13)
	sll	$3,$16,$11
	or	$2,$2,$3
	sw	$2,17596($13)
	addiu	$12,$12,64
$L116:
	addiu	$11,$11,1
	bne	$11,$14,$L115
	addiu	$7,$7,64

	lw	$17,4($sp)
	lw	$16,0($sp)
	move	$2,$0
	j	$31
	addiu	$sp,$sp,8

	.set	macro
	.set	reorder
	.end	quant_matrix_ext
	.section	.text.mpeg2_header_extension,"ax",@progbits
	.align	2
	.align	5
	.globl	mpeg2_header_extension
	.ent	mpeg2_header_extension
	.type	mpeg2_header_extension, @function
mpeg2_header_extension:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$2,17044($4)
	lw	$5,17036($4)
	lbu	$6,0($2)
	lui	$2,%hi(parser.3968)
	srl	$6,$6,4
	sll	$3,$6,2
	addiu	$2,$2,%lo(parser.3968)
	addu	$8,$3,$2
	li	$2,1			# 0x1
	sll	$2,$2,$6
	nor	$3,$0,$2
	and	$3,$5,$3
	and	$5,$5,$2
	bne	$5,$0,$L132
	move	$2,$0

	j	$31
	nop

$L132:
	lw	$25,0($8)
	jr	$25
	sw	$3,17036($4)

	.set	macro
	.set	reorder
	.end	mpeg2_header_extension
	.section	.text.mpeg2_header_user_data,"ax",@progbits
	.align	2
	.align	5
	.globl	mpeg2_header_user_data
	.ent	mpeg2_header_user_data
	.type	mpeg2_header_user_data, @function
mpeg2_header_user_data:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	lw	$3,17048($4)
	lw	$2,17044($4)
	lw	$5,17096($4)
	subu	$2,$3,$2
	addu	$2,$2,$5
	addiu	$2,$2,-1
	addiu	$3,$3,-1
	sw	$2,17096($4)
	move	$2,$0
	j	$31
	sw	$3,17044($4)

	.set	macro
	.set	reorder
	.end	mpeg2_header_user_data