timer-ucos.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 206 行

.file	1 "timer-ucos.c"
.section .mdebug.abi32
.previous
.section	.text.GetTimerMS,"ax",@progbits
.align	2
.align	5
.globl	GetTimerMS
.ent	GetTimerMS
.type	GetTimerMS, @function
GetTimerMS:
.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
sw	$31,24($sp)
jal	JZ_GetTimer_20ms
addiu	$4,$sp,16

lw	$4,16($sp)
li	$3,274857984			# 0x10620000
ori	$3,$3,0x4dd3
multu	$4,$3
lw	$2,20($sp)
mfhi	$4
sll	$5,$2,4
sll	$2,$2,2
addu	$2,$2,$5
srl	$4,$4,6
lw	$31,24($sp)
addu	$2,$2,$4
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	GetTimerMS
.section	.text.GetTimer,"ax",@progbits
.align	2
.align	5
.globl	GetTimer
.ent	GetTimer
.type	GetTimer, @function
GetTimer:
.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
sw	$31,24($sp)
jal	JZ_GetTimer_20ms
addiu	$4,$sp,16

lw	$4,20($sp)
li	$3,20000			# 0x4e20
mul	$5,$4,$3
lw	$2,16($sp)
lw	$31,24($sp)
addu	$2,$5,$2
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	GetTimer
.section	.text.usec_sleep,"ax",@progbits
.align	2
.align	5
.globl	usec_sleep
.ent	usec_sleep
.type	usec_sleep, @function
usec_sleep:
.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_TimeDly
nop

.set	macro
.set	reorder
.end	usec_sleep
.globl	__floatsisf
.globl	__addsf3
.globl	__mulsf3
.section	.rodata.cst4,"aM",@progbits,4
.align	2
$LC0:
.word	897988541
.section	.text.GetRelativeTime,"ax",@progbits
.align	2
.align	5
.globl	GetRelativeTime
.ent	GetRelativeTime
.type	GetRelativeTime, @function
GetRelativeTime:
.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
sw	$31,24($sp)
jal	JZ_GetTimer_20ms
addiu	$4,$sp,16

lw	$3,20($sp)
li	$4,20000			# 0x4e20
mul	$7,$3,$4
lui	$6,%hi(RelativeTime)
lw	$2,16($sp)
lw	$5,%lo(RelativeTime)($6)
addu	$3,$7,$2
subu	$5,$3,$5
srl	$2,$5,1
andi	$4,$5,0x1
or	$4,$4,$2
bltz	$5,$L9
sw	$3,%lo(RelativeTime)($6)

jal	__floatsisf
move	$4,$5

move	$4,$2
lui	$2,%hi($LC0)
jal	__mulsf3
lw	$5,%lo($LC0)($2)

lw	$31,24($sp)
j	$31
addiu	$sp,$sp,32

$L9:
jal	__floatsisf
nop

move	$4,$2
jal	__addsf3
move	$5,$2

move	$4,$2
lui	$2,%hi($LC0)
jal	__mulsf3
lw	$5,%lo($LC0)($2)

lw	$31,24($sp)
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	GetRelativeTime
.section	.text.InitTimer,"ax",@progbits
.align	2
.align	5
.globl	InitTimer
.ent	InitTimer
.type	InitTimer, @function
InitTimer:
.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
sw	$31,24($sp)
jal	JZ_GetTimer_20ms
addiu	$4,$sp,16

lw	$4,20($sp)
li	$5,20000			# 0x4e20
mul	$3,$4,$5
lw	$2,16($sp)
addu	$4,$3,$2
lui	$3,%hi(RelativeTime)
sw	$4,%lo(RelativeTime)($3)
lw	$31,24($sp)
j	$31
addiu	$sp,$sp,32

.set	macro
.set	reorder
.end	InitTimer
.globl	timer_name
.section	.rodata.str1.4,"aMS",@progbits,1
.align	2
$LC1:
.ascii	"sleep ucos\000"
.data
.align	2
.type	timer_name, @object
.size	timer_name, 4
timer_name:
.word	$LC1
.local	RelativeTime
.comm	RelativeTime,4,4
.ident	"GCC: (GNU) 4.1.2"