ao_null.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 377 行

.file	1 "ao_null.c"
.section .mdebug.abi32
.previous
.section	.text.control,"ax",@progbits
.align	2
.align	5
.ent	control
.type	control, @function
control:
.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
li	$2,-1			# 0xffffffffffffffff

.set	macro
.set	reorder
.end	control
.section	.text.uninit,"ax",@progbits
.align	2
.align	5
.ent	uninit
.type	uninit, @function
uninit:
.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
nop

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

lui	$2,%hi(buffer)
j	$31
sw	$0,%lo(buffer)($2)

.set	macro
.set	reorder
.end	reset
.section	.text.audio_resume,"ax",@progbits
.align	2
.align	5
.ent	audio_resume
.type	audio_resume, @function
audio_resume:
.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
nop

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

lui	$4,%hi(ao_data)
addiu	$4,$4,%lo(ao_data)
lui	$7,%hi(buffer)
lw	$6,%lo(buffer)($7)
lw	$3,20($4)
lw	$2,16($4)
subu	$3,$3,$6
div	$0,$3,$2
teq	$2,$0,7
mflo	$3
div	$0,$5,$2
teq	$2,$0,7
mflo	$5
slt	$4,$5,$3
movz	$5,$3,$4
mul	$2,$2,$5
addu	$6,$6,$2
j	$31
sw	$6,%lo(buffer)($7)

.set	macro
.set	reorder
.end	play
.section	.text.init,"ax",@progbits
.align	2
.align	5
.ent	init
.type	init, @function
init:
.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
.mask	0x80000000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

mul	$11,$5,$4
lui	$7,%hi(ao_data)
addiu	$10,$7,%lo(ao_data)
li	$2,65536			# 0x10000
move	$8,$4
move	$9,$5
addiu	$sp,$sp,-24
lui	$4,%hi(last_tv)
sw	$2,20($10)
li	$3,1024			# 0x400
li	$2,3			# 0x3
sw	$31,16($sp)
addiu	$4,$4,%lo(last_tv)
move	$5,$0
sw	$3,16($10)
sw	$8,%lo(ao_data)($7)
sw	$11,12($10)
sw	$9,4($10)
beq	$6,$2,$L12
sw	$6,8($10)

li	$2,1			# 0x1
beq	$6,$2,$L12
sll	$9,$11,1

sw	$9,12($10)
$L12:
lui	$2,%hi(buffer)
jal	gettimeofday
sw	$0,%lo(buffer)($2)

lw	$31,16($sp)
li	$2,1			# 0x1
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	init
.section	.text.get_space,"ax",@progbits
.align	2
.align	5
.ent	get_space
.type	get_space, @function
get_space:
.frame	$sp,32,$31		# vars= 8, regs= 1/0, args= 16, gp= 0
.mask	0x80000000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
addiu	$4,$sp,16
sw	$31,24($sp)
jal	gettimeofday
move	$5,$0

lui	$8,%hi(last_tv)
addiu	$10,$8,%lo(last_tv)
lw	$2,4($10)
lw	$5,20($sp)
li	$4,274857984			# 0x10620000
subu	$5,$5,$2
ori	$4,$4,0x4dd3
mult	$5,$4
lui	$3,%hi(ao_data)
mfhi	$2
addiu	$9,$3,%lo(ao_data)
sra	$5,$5,31
lw	$6,12($9)
sra	$2,$2,6
subu	$2,$2,$5
mul	$2,$6,$2
lw	$5,%lo(last_tv)($8)
lw	$3,16($sp)
mult	$2,$4
subu	$3,$3,$5
mfhi	$4
mul	$11,$3,$6
sra	$2,$2,31
lui	$7,%hi(buffer)
sra	$4,$4,6
lw	$5,%lo(buffer)($7)
subu	$4,$4,$2
addu	$2,$11,$4
subu	$5,$5,$2
bltz	$5,$L23
sw	$5,%lo(buffer)($7)

$L18:
blez	$2,$L20
lw	$2,16($sp)

lw	$3,20($sp)
sw	$2,%lo(last_tv)($8)
sw	$3,4($10)
$L20:
lw	$2,20($9)
lw	$31,24($sp)
subu	$2,$2,$5
j	$31
addiu	$sp,$sp,32

$L23:
move	$5,$0
j	$L18
sw	$0,%lo(buffer)($7)

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

lui	$2,%hi(buffer)
j	$31
sw	$0,%lo(buffer)($2)

.set	macro
.set	reorder
.end	audio_pause
.globl	__floatsisf
.globl	__divsf3
.section	.text.get_delay,"ax",@progbits
.align	2
.align	5
.ent	get_delay
.type	get_delay, @function
get_delay:
.frame	$sp,40,$31		# vars= 8, regs= 3/0, args= 16, gp= 0
.mask	0x80030000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
move	$5,$0
addiu	$4,$sp,16
sw	$17,28($sp)
sw	$31,32($sp)
jal	gettimeofday
sw	$16,24($sp)

lui	$8,%hi(last_tv)
addiu	$10,$8,%lo(last_tv)
lw	$5,4($10)
lw	$9,20($sp)
li	$4,274857984			# 0x10620000
ori	$4,$4,0x4dd3
subu	$5,$9,$5
mult	$5,$4
lui	$3,%hi(ao_data+12)
mfhi	$2
lw	$17,%lo(ao_data+12)($3)
sra	$5,$5,31
sra	$2,$2,6
subu	$2,$2,$5
mul	$2,$17,$2
lw	$5,%lo(last_tv)($8)
lw	$7,16($sp)
mult	$2,$4
subu	$5,$7,$5
mfhi	$4
mul	$3,$5,$17
sra	$2,$2,31
lui	$6,%hi(buffer)
sra	$4,$4,6
subu	$4,$4,$2
lw	$2,%lo(buffer)($6)
addu	$5,$3,$4
subu	$2,$2,$5
slt	$3,$2,0
movn	$2,$0,$3
sw	$2,%lo(buffer)($6)
blez	$5,$L29
move	$4,$2

sw	$7,%lo(last_tv)($8)
sw	$9,4($10)
$L29:
jal	__floatsisf
nop

move	$4,$17
jal	__floatsisf
move	$16,$2

move	$5,$2
jal	__divsf3
move	$4,$16

lw	$31,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,40

.set	macro
.set	reorder
.end	get_delay
.globl	audio_out_null
.data
.align	2
.type	audio_out_null, @object
.size	audio_out_null, 40
audio_out_null:
.word	info
.word	control
.word	init
.word	uninit
.word	reset
.word	get_space
.word	play
.word	get_delay
.word	audio_pause
.word	audio_resume

.comm	last_tv,8,4

.comm	buffer,4,4
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC0:
.ascii	"Null audio output\000"
.align	2
$LC1:
.ascii	"null\000"
.align	2
$LC2:
.ascii	"Tobias Diedrich <[e-mail]>\000"
.subsection	-1
.align	2
$LC3:
.ascii	"\000"
.data
.align	2
.type	info, @object
.size	info, 16
info:
.word	$LC0
.word	$LC1
.word	$LC2
.word	$LC3
.ident	"GCC: (GNU) 4.1.2"