stream_file.mid

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 "stream_file.c"
	.section .mdebug.abi32
	.previous
	.section	.rodata.str1.4,"aMS",@progbits,1
	.align	2
$LC0:
	.ascii	"Cannot seek backward in linear streams!\012\000"
	.section	.text.seek_forward,"ax",@progbits
	.align	2
	.align	5
	.ent	seek_forward
	.type	seek_forward, @function
seek_forward:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$18,24($sp)
	sw	$16,16($sp)
	sw	$31,28($sp)
	sw	$17,20($sp)
	lw	$3,44($4)
	move	$16,$4
	slt	$2,$5,$3
	bne	$2,$0,$L2
	move	$18,$5

	slt	$2,$3,$5
	beq	$2,$0,$L5
	addiu	$17,$4,80

	j	$L15
	lw	$2,0($16)

$L14:
	lw	$2,44($16)
	sw	$0,36($16)
	addu	$2,$4,$2
	slt	$3,$2,$18
	sw	$4,40($16)
	beq	$3,$0,$L5
	sw	$2,44($16)

	lw	$2,0($16)
$L15:
	move	$4,$16
	move	$5,$17
	jal	$2
	li	$6,131072			# 0x20000

	bgtz	$2,$L14
	move	$4,$2

	li	$2,1			# 0x1
	sw	$2,56($16)
	sw	$0,36($16)
	sw	$0,40($16)
	li	$3,1			# 0x1
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

$L5:
	li	$3,1			# 0x1
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

$L2:
	lui	$6,%hi($LC0)
	addiu	$6,$6,%lo($LC0)
	li	$4,20			# 0x14
	jal	mp_msg
	li	$5,4			# 0x4

	move	$3,$0
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	seek_forward
	.section	.rodata.str1.4
	.align	2
$LC1:
	.ascii	"rb\000"
	.align	2
$LC2:
	.ascii	"wb\000"
	.align	2
$LC3:
	.ascii	"[file] Unknown open mode %d\012\000"
	.align	2
$LC4:
	.ascii	"File not found: '%s'\012\000"
	.align	2
$LC5:
	.ascii	"[file] File size is %lld bytes\012\000"
	.align	2
$LC6:
	.ascii	"[file] No filename\012\000"
	.section	.text.open_f,"ax",@progbits
	.align	2
	.align	5
	.ent	open_f
	.type	open_f, @function
open_f:
	.frame	$sp,64,$31		# vars= 16, regs= 6/0, args= 24, gp= 0
	.mask	0x801f0000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-64
	sw	$20,56($sp)
	sw	$19,52($sp)
	sw	$18,48($sp)
	sw	$31,60($sp)
	sw	$17,44($sp)
	sw	$16,40($sp)
	move	$19,$5
	move	$18,$4
	beq	$5,$0,$L39
	move	$20,$6

	li	$2,1			# 0x1
	bne	$5,$2,$L20
	addiu	$17,$sp,24

	lui	$5,%hi($LC2)
	move	$4,$17
	jal	strcpy
	addiu	$5,$5,%lo($LC2)

	lw	$4,0($20)
	beq	$4,$0,$L40
	move	$5,$17

$L45:
	jal	BUFF_Open
	move	$16,$4

	beq	$2,$0,$L41
	move	$17,$2

	jal	BUFF_GetFileSize
	move	$4,$2

	move	$7,$2
	li	$2,-1			# 0xffffffffffffffff
	beq	$7,$2,$L42
	nop

	bltz	$7,$L34
	lui	$2,%hi(seek)

	addiu	$2,$2,%lo(seek)
	sw	$2,8($18)
	sw	$7,52($18)
	sw	$0,24($18)
$L34:
	lui	$6,%hi($LC5)
	sra	$2,$7,31
	addiu	$6,$6,%lo($LC5)
	li	$4,16			# 0x10
	li	$5,6			# 0x6
	sw	$2,20($sp)
	jal	mp_msg
	sw	$7,16($sp)

	lui	$2,%hi(close_f)
	addiu	$2,$2,%lo(close_f)
	sw	$2,16($18)
	lui	$3,%hi(control)
	lui	$2,%hi(fill_buffer)
	addiu	$2,$2,%lo(fill_buffer)
	addiu	$3,$3,%lo(control)
	lui	$4,%hi(stream_opts)
	sw	$2,0($18)
	sw	$17,20($18)
	sw	$3,12($18)
	sw	$0,4($18)
	addiu	$4,$4,%lo(stream_opts)
	jal	m_struct_free
	move	$5,$20

	li	$2,1			# 0x1
$L22:
	lw	$31,60($sp)
	lw	$20,56($sp)
	lw	$19,52($sp)
	lw	$18,48($sp)
	lw	$17,44($sp)
	lw	$16,40($sp)
	j	$31
	addiu	$sp,$sp,64

$L39:
	addiu	$17,$sp,24
	lui	$5,%hi($LC1)
	move	$4,$17
	jal	strcpy
	addiu	$5,$5,%lo($LC1)

	lw	$4,0($20)
	bne	$4,$0,$L45
	move	$5,$17

$L40:
	lw	$4,4($20)
	bne	$4,$0,$L45
	move	$5,$17

	lui	$6,%hi($LC6)
	addiu	$6,$6,%lo($LC6)
	li	$4,16			# 0x10
	jal	mp_msg
	li	$5,1			# 0x1

	j	$L44
	lui	$4,%hi(stream_opts)

$L42:
	beq	$19,$0,$L43
	lui	$2,%hi(seek_forward)

	lw	$2,28($18)
	li	$3,2			# 0x2
	ori	$2,$2,0x4
	sw	$3,24($18)
	j	$L34
	sw	$2,28($18)

$L43:
	addiu	$2,$2,%lo(seek_forward)
	sw	$2,8($18)
	lw	$2,28($18)
	li	$3,2			# 0x2
	ori	$2,$2,0x4
	sw	$3,24($18)
	j	$L34
	sw	$2,28($18)

$L41:
	lui	$6,%hi($LC4)
	addiu	$6,$6,%lo($LC4)
	move	$7,$16
	li	$4,16			# 0x10
	jal	mp_msg
	li	$5,1			# 0x1

	lui	$4,%hi(stream_opts)
$L44:
	move	$5,$20
	jal	m_struct_free
	addiu	$4,$4,%lo(stream_opts)

	lw	$31,60($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,64

$L20:
	lui	$6,%hi($LC3)
	move	$7,$5
	addiu	$6,$6,%lo($LC3)
	li	$4,16			# 0x10
	jal	mp_msg
	li	$5,1			# 0x1

	lui	$4,%hi(stream_opts)
	addiu	$4,$4,%lo(stream_opts)
	jal	m_struct_free
	move	$5,$20

	j	$L22
	li	$2,-1			# 0xffffffffffffffff

	.set	macro
	.set	reorder
	.end	open_f
	.section	.text.close_f,"ax",@progbits
	.align	2
	.align	5
	.ent	close_f
	.type	close_f, @function
close_f:
	.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
	.mask	0x00000000,0
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	j	BUFF_Close
	lw	$4,20($4)

	.set	macro
	.set	reorder
	.end	close_f
	.section	.text.control,"ax",@progbits
	.align	2
	.align	5
	.ent	control
	.type	control, @function
control:
	.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
	.mask	0x80070000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	
	addiu	$sp,$sp,-32
	sw	$18,24($sp)
	sw	$16,16($sp)
	sw	$31,28($sp)
	sw	$17,20($sp)
	move	$7,$5
	move	$16,$4
	beq	$5,$0,$L50
	move	$18,$6

	li	$2,7			# 0x7
	move	$5,$0
	li	$6,2			# 0x2
	beq	$7,$2,$L55
	li	$3,-1			# 0xffffffffffffffff

	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

$L50:
	lw	$4,20($16)
	sw	$0,44($16)
	move	$5,$0
	jal	BUFF_Seek
	move	$6,$0

	li	$3,1			# 0x1
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

$L55:
	jal	BUFF_Seek
	lw	$4,20($4)

	lw	$4,20($16)
	lw	$5,44($16)
	move	$6,$0
	jal	BUFF_Seek
	move	$17,$2

	li	$2,-1			# 0xffffffffffffffff
	beq	$17,$2,$L50
	li	$3,1			# 0x1

	sw	$17,0($18)
	lw	$31,28($sp)
	lw	$18,24($sp)
	lw	$17,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,32

	.set	macro
	.set	reorder
	.end	control
	.section	.text.seek,"ax",@progbits
	.align	2
	.align	5
	.ent	seek
	.type	seek, @function
seek:
	.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)
	move	$16,$4
	lw	$4,20($4)
	sw	$5,44($16)
	jal	BUFF_Seek
	move	$6,$0

	bgez	$2,$L59
	li	$3,1			# 0x1

	li	$2,1			# 0x1
	sw	$2,56($16)
	move	$3,$0
$L59:
	lw	$31,20($sp)
	lw	$16,16($sp)
	move	$2,$3
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	seek
	.section	.text.fill_buffer,"ax",@progbits
	.align	2
	.align	5
	.ent	fill_buffer
	.type	fill_buffer, @function
fill_buffer:
	.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)
	jal	BUFF_DirectRead
	lw	$4,20($4)

	slt	$4,$0,$2
	li	$3,-1			# 0xffffffffffffffff
	lw	$31,16($sp)
	movz	$2,$3,$4
	j	$31
	addiu	$sp,$sp,24

	.set	macro
	.set	reorder
	.end	fill_buffer
	.globl	stream_info_file
	.section	.rodata.str1.4
	.align	2
$LC7:
	.ascii	"File\000"
	.align	2
$LC8:
	.ascii	"file\000"
	.align	2
$LC9:
	.ascii	"Albeu\000"
	.align	2
$LC10:
	.ascii	"based on the code from ??? (probably Arpi)\000"
	.subsection	-1
	.align	2
$LC11:
	.ascii	"\000"
	.data
	.align	2
	.type	stream_info_file, @object
	.size	stream_info_file, 68
stream_info_file:
	.word	$LC7
	.word	$LC8
	.word	$LC9
	.word	$LC10
	.word	open_f
	.word	$LC8
	.word	$LC11
	.word	0
	.space	28
	.word	stream_opts
	.word	1
	.align	2
	.type	stream_opts, @object
	.size	stream_opts, 16
stream_opts:
	.word	$LC8
	.word	8
	.word	stream_priv_dflts
	.word	stream_opts_fields
	.local	stream_priv_dflts
	.comm	stream_priv_dflts,8,4
	.section	.rodata.str1.4
	.align	2
$LC12:
	.ascii	"string\000"
	.align	2
$LC13:
	.ascii	"filename\000"
	.data
	.align	3
	.type	stream_opts_fields, @object
	.size	stream_opts_fields, 120
stream_opts_fields:
	.word	$LC12
	.word	0
	.word	m_option_type_string
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.space	4
	.word	$LC13
	.word	4
	.word	m_option_type_string
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.space	4
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.word	0
	.space	4
	.ident	"GCC: (GNU) 4.1.2"