oggparseflac.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 321 行

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

sll	$5,$5,2
addu	$5,$5,$4
lw	$3,100($5)
li	$2,65536			# 0x10000
lw	$4,8($3)
ori	$2,$2,0x500f
sw	$2,228($4)
li	$3,1			# 0x1
move	$2,$0
j	$31
sw	$3,224($4)

.set	macro
.set	reorder
.end	old_flac_header
.section	.text.flac_header,"ax",@progbits
.align	2
.align	5
.ent	flac_header
.type	flac_header, @function
flac_header:
.frame	$sp,32,$31		# vars= 0, regs= 4/0, args= 16, gp= 0
.mask	0x80070000,-4
.fmask	0x00000000,0
addiu	$sp,$sp,-32
sw	$17,20($sp)
sw	$31,28($sp)
sw	$18,24($sp)
sw	$16,16($sp)
sll	$3,$5,5
move	$9,$4
sll	$2,$5,3
lw	$4,12($4)
addu	$2,$2,$3
addu	$2,$2,$5
lw	$3,0($4)
sll	$2,$2,3
addu	$17,$2,$3
lw	$2,12($17)
lw	$4,0($17)
sll	$5,$5,2
addu	$7,$4,$2
lbu	$3,0($7)
addu	$5,$5,$9
li	$2,255			# 0xff
.set	noreorder
.set	nomacro
beq	$3,$2,$L29
lw	$18,100($5)
.set	macro
.set	reorder

lw	$6,16($17)
sll	$2,$6,3
.set	noreorder
.set	nomacro
bltz	$2,$L10
move	$8,$0
.set	macro
.set	reorder

bltz	$2,$L10
move	$8,$7
$L10:
lbu	$2,0($8)
li	$3,127			# 0x7f
andi	$4,$2,0x7f
.set	noreorder
.set	nomacro
beq	$4,$3,$L30
li	$2,4			# 0x4
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
beq	$4,$2,$L31
move	$4,$9
.set	macro
.set	reorder

li	$3,1			# 0x1
$L6:
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$3
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,32
.set	macro
.set	reorder

$L31:
addiu	$5,$7,4
.set	noreorder
.set	nomacro
jal	vorbis_comment
addiu	$6,$6,-4
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L6
li	$3,1			# 0x1
.set	macro
.set	reorder

$L29:
move	$3,$0
lw	$31,28($sp)
lw	$18,24($sp)
lw	$17,20($sp)
lw	$16,16($sp)
move	$2,$3
.set	noreorder
.set	nomacro
j	$31
addiu	$sp,$sp,32
.set	macro
.set	reorder

$L30:
lbu	$7,5($8)
li	$2,1			# 0x1
.set	noreorder
.set	nomacro
beq	$7,$2,$L32
addiu	$2,$8,15
.set	macro
.set	reorder

.set	noreorder
.set	nomacro
j	$L6
li	$3,-1			# 0xffffffffffffffff
.set	macro
.set	reorder

$L32:
lbu	$3,1($2)
addiu	$5,$8,13
lbu	$2,15($8)
lbu	$6,1($5)
lbu	$4,13($8)
sll	$3,$3,16
sll	$2,$2,24
or	$2,$2,$3
sll	$4,$4,24
sll	$6,$6,16
or	$4,$4,$6
srl	$2,$2,16
or	$2,$2,$4
li	$3,34			# 0x22
.set	noreorder
.set	nomacro
bne	$2,$3,$L6
li	$3,-1			# 0xffffffffffffffff
.set	macro
.set	reorder

addiu	$3,$8,27
lbu	$4,1($3)
lbu	$2,27($8)
lbu	$3,29($8)
sll	$4,$4,16
sll	$2,$2,24
or	$2,$2,$4
lw	$16,8($18)
srl	$2,$2,12
srl	$3,$3,4
or	$3,$3,$2
sw	$3,64($16)
lbu	$2,29($8)
li	$4,42			# 0x2a
srl	$2,$2,1
andi	$2,$2,0x7
addiu	$2,$2,1
sw	$2,68($16)
li	$2,65536			# 0x10000
ori	$2,$2,0x500f
sw	$7,224($16)
.set	noreorder
.set	nomacro
jal	av_malloc
sw	$2,228($16)
.set	macro
.set	reorder

lw	$3,8($18)
sw	$2,24($16)
lw	$6,24($3)
lw	$4,12($17)
lw	$2,0($17)
andi	$3,$6,0x3
addu	$4,$2,$4
.set	noreorder
.set	nomacro
bne	$3,$0,$L16
addiu	$5,$4,17
.set	macro
.set	reorder

andi	$2,$5,0x3
bne	$2,$0,$L16
addiu	$3,$6,28
addiu	$5,$6,-4
sltu	$2,$5,$3
.set	noreorder
.set	nomacro
beq	$2,$0,$L19
addiu	$4,$4,13
.set	macro
.set	reorder

$L25:
#APP
.word	0b01110000100000000000010001010100	#S32LDI XR1,$4,4
.word	0b01110000100000000000010010010100	#S32LDI XR2,$4,4
.word	0b01110000100000000000010011010100	#S32LDI XR3,$4,4
.word	0b01110000100000000000010100010100	#S32LDI XR4,$4,4
.word	0b01110000100000000000010101010100	#S32LDI XR5,$4,4
.word	0b01110000100000000000010110010100	#S32LDI XR6,$4,4
.word	0b01110000100000000000010111010100	#S32LDI XR7,$4,4
.word	0b01110000100000000000011000010100	#S32LDI XR8,$4,4
.word	0b01110000101000000000010001010101	#S32SDI XR1,$5,4
.word	0b01110000101000000000010010010101	#S32SDI XR2,$5,4
.word	0b01110000101000000000010011010101	#S32SDI XR3,$5,4
.word	0b01110000101000000000010100010101	#S32SDI XR4,$5,4
.word	0b01110000101000000000010101010101	#S32SDI XR5,$5,4
.word	0b01110000101000000000010110010101	#S32SDI XR6,$5,4
.word	0b01110000101000000000010111010101	#S32SDI XR7,$5,4
.word	0b01110000101000000000011000010101	#S32SDI XR8,$5,4
#NO_APP
sltu	$2,$5,$3
bne	$2,$0,$L25
$L19:
lbu	$2,4($4)
sb	$2,4($5)
lbu	$3,5($4)
.set	noreorder
.set	nomacro
j	$L21
sb	$3,5($5)
.set	macro
.set	reorder

$L16:
move	$4,$6
.set	noreorder
.set	nomacro
jal	memcpy
li	$6,34			# 0x22
.set	macro
.set	reorder

$L21:
lw	$4,8($18)
li	$2,34			# 0x22
li	$3,1			# 0x1
sw	$2,28($4)
sw	$3,64($18)
lw	$2,64($4)
.set	noreorder
.set	nomacro
j	$L6
sw	$2,68($18)
.set	macro
.set	reorder

.end	flac_header
.globl	flac_codec
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"\177FLAC\000"
.data
.align	2
.type	flac_codec, @object
.size	flac_codec, 24
flac_codec:
.word	$LC0
.byte	5
.space	7
.word	flac_header
.space	8
.globl	old_flac_codec
.section	.rodata.str1.4
.align	2
$LC1:
.ascii	"fLaC\000"
.data
.align	2
.type	old_flac_codec, @object
.size	old_flac_codec, 24
old_flac_codec:
.word	$LC1
.byte	4
.space	7
.word	old_flac_header
.space	8
.ident	"GCC: (GNU) 4.1.2"