rtjpegn.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 4,600 行 · 第 1/5 页

$L300:
blez	$18,$L311
lw	$3,16($sp)

move	$17,$0
j	$L302
li	$23,-1			# 0xffffffffffffffff

$L310:
addiu	$17,$17,8
slt	$2,$17,$18
beq	$2,$0,$L306
addiu	$16,$16,1

$L302:
lb	$2,0($16)
move	$5,$16
move	$4,$19
move	$6,$22
beq	$2,$23,$L310
move	$7,$21

jal	RTjpeg_s2b
nop

addu	$4,$17,$20
move	$5,$19
move	$6,$18
addiu	$17,$17,8
jal	RTjpeg_idct
addu	$16,$16,$2

slt	$2,$17,$18
bne	$2,$0,$L302
nop

$L306:
lw	$3,16($sp)
$L311:
addiu	$fp,$fp,8
slt	$2,$fp,$3
beq	$2,$0,$L308
lw	$2,20($sp)

j	$L300
addu	$20,$20,$2

$L308:
lw	$31,60($sp)
lw	$fp,56($sp)
lw	$23,52($sp)
lw	$22,48($sp)
lw	$21,44($sp)
lw	$20,40($sp)
lw	$19,36($sp)
lw	$18,32($sp)
lw	$17,28($sp)
lw	$16,24($sp)
j	$31
addiu	$sp,$sp,64

.set	macro
.set	reorder
.end	RTjpeg_decompress8
.section	.text.RTjpeg_bcomp,"ax",@progbits
.align	2
.align	5
.globl	RTjpeg_bcomp
.ent	RTjpeg_bcomp
.type	RTjpeg_bcomp, @function
RTjpeg_bcomp:
.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(RTjpeg_block)
lw	$6,%lo(RTjpeg_block)($2)
lui	$2,%hi(RTjpeg_mtest)
lhu	$9,0($5)
lw	$10,%lo(RTjpeg_mtest)($2)
move	$8,$4
move	$7,$0
li	$11,128			# 0x80
addu	$3,$8,$7
$L325:
addu	$4,$6,$7
lh	$2,0($3)
lh	$5,0($4)
subu	$2,$2,$5
subu	$4,$0,$2
slt	$3,$2,0
movn	$2,$4,$3
slt	$2,$9,$2
beq	$2,$0,$L314
addiu	$7,$7,2

bne	$10,$0,$L324
move	$7,$0

lw	$4,0($6)
lw	$5,4($6)
sw	$4,0($8)
sw	$5,4($8)
lw	$2,8($6)
lw	$3,12($6)
sw	$2,8($8)
sw	$3,12($8)
lw	$4,16($6)
lw	$5,20($6)
sw	$4,16($8)
sw	$5,20($8)
lw	$2,24($6)
lw	$3,28($6)
sw	$2,24($8)
sw	$3,28($8)
lw	$4,32($6)
lw	$5,36($6)
sw	$4,32($8)
sw	$5,36($8)
lw	$2,40($6)
lw	$3,44($6)
sw	$2,40($8)
sw	$3,44($8)
lw	$4,48($6)
lw	$5,52($6)
sw	$4,48($8)
sw	$5,52($8)
lw	$2,56($6)
lw	$3,60($6)
sw	$2,56($8)
sw	$3,60($8)
lw	$5,68($6)
lw	$4,64($6)
sw	$4,64($8)
sw	$5,68($8)
lw	$2,72($6)
lw	$3,76($6)
sw	$2,72($8)
sw	$3,76($8)
lw	$4,80($6)
lw	$5,84($6)
sw	$4,80($8)
sw	$5,84($8)
lw	$2,88($6)
lw	$3,92($6)
sw	$2,88($8)
sw	$3,92($8)
lw	$4,96($6)
lw	$5,100($6)
sw	$4,96($8)
sw	$5,100($8)
lw	$2,104($6)
lw	$3,108($6)
sw	$2,104($8)
sw	$3,108($8)
lw	$4,112($6)
lw	$5,116($6)
sw	$4,112($8)
sw	$5,116($8)
lw	$2,120($6)
lw	$3,124($6)
sw	$2,120($8)
sw	$3,124($8)
$L319:
j	$31
move	$2,$7

$L314:
bne	$7,$11,$L325
addu	$3,$8,$7

j	$L319
li	$7,1			# 0x1

$L324:
j	$31
move	$2,$7

.set	macro
.set	reorder
.end	RTjpeg_bcomp
.section	.text.RTjpeg_set_test,"ax",@progbits
.align	2
.align	5
.globl	RTjpeg_set_test
.ent	RTjpeg_set_test
.type	RTjpeg_set_test, @function
RTjpeg_set_test:
.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(RTjpeg_mtest)
j	$31
sw	$4,%lo(RTjpeg_mtest)($2)

.set	macro
.set	reorder
.end	RTjpeg_set_test
.section	.text.RTjpeg_color_init,"ax",@progbits
.align	2
.align	5
.globl	RTjpeg_color_init
.ent	RTjpeg_color_init
.type	RTjpeg_color_init, @function
RTjpeg_color_init:
.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	RTjpeg_color_init
.section	.text.RTjpeg_yuv422rgb,"ax",@progbits
.align	2
.align	5
.globl	RTjpeg_yuv422rgb
.ent	RTjpeg_yuv422rgb
.type	RTjpeg_yuv422rgb, @function
RTjpeg_yuv422rgb:
.frame	$sp,24,$31		# vars= 0, regs= 5/0, args= 0, gp= 0
.mask	0x001f0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-24
sw	$20,16($sp)
sw	$19,12($sp)
sw	$18,8($sp)
sw	$17,4($sp)
sw	$16,0($sp)
lui	$2,%hi(RTjpeg_height)
lw	$20,%lo(RTjpeg_height)($2)
lui	$2,%hi(RTjpeg_width)
blez	$20,$L356
lw	$17,%lo(RTjpeg_width)($2)

mul	$3,$17,$20
move	$10,$5
srl	$2,$3,31
addu	$2,$2,$3
sra	$2,$2,1
addu	$2,$3,$2
addu	$25,$4,$2
move	$18,$4
addu	$24,$3,$4
move	$19,$0
$L333:
blez	$17,$L353
nop

move	$12,$18
j	$L334
move	$14,$0

$L358:
subu	$2,$11,$13
subu	$2,$2,$9
sra	$4,$2,16
li	$7,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L338
sb	$7,0($10)

$L359:
addu	$2,$16,$11
sra	$4,$2,16
li	$5,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L341
sb	$5,1($10)

$L360:
li	$2,255			# 0xff
sb	$2,2($10)
lbu	$5,1($12)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$15,$6
sra	$4,$4,16
slt	$2,$4,256
bne	$2,$0,$L364
slt	$2,$4,0

subu	$2,$6,$13
$L365:
subu	$2,$2,$9
sra	$5,$2,16
li	$4,255			# 0xff
slt	$3,$5,256
bne	$3,$0,$L347
sb	$4,3($10)

$L362:
addu	$2,$16,$6
sra	$4,$2,16
li	$5,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L350
sb	$5,4($10)

$L363:
addiu	$14,$14,2
li	$3,255			# 0xff
slt	$2,$14,$17
sb	$3,5($10)
addiu	$12,$12,2
beq	$2,$0,$L353
addiu	$10,$10,6

$L334:
lbu	$7,0($12)
li	$4,65536			# 0x10000
ori	$4,$4,0x29fc
mul	$3,$7,$4
lbu	$9,0($25)
li	$2,-1245184			# 0xffffffffffed0000
lbu	$6,0($24)
ori	$2,$2,0x6040
addu	$11,$3,$2
mul	$2,$9,$4
sll	$8,$6,3
sll	$5,$6,5
subu	$5,$5,$8
li	$3,-9764864			# 0xffffffffff6b0000
ori	$3,$3,0x200
addu	$5,$5,$6
addu	$15,$2,$3
sll	$3,$5,10
addu	$5,$5,$3
li	$3,53281			# 0xd021
mul	$4,$9,$3
addu	$2,$15,$11
sra	$8,$2,16
li	$2,-6881280			# 0xffffffffff970000
ori	$2,$2,0xef80
addu	$13,$4,$2
li	$4,131072			# 0x20000
ori	$4,$4,0x49c
mul	$3,$6,$4
li	$2,-16973824			# 0xfffffffffefd0000
ori	$2,$2,0xb200
addu	$16,$3,$2
li	$3,-3342336			# 0xffffffffffcd0000
ori	$3,$3,0xf380
slt	$7,$8,256
addu	$9,$5,$3
addiu	$25,$25,1
beq	$7,$0,$L358
addiu	$24,$24,1

slt	$2,$8,0
move	$3,$0
movz	$3,$8,$2
subu	$2,$11,$13
subu	$2,$2,$9
sra	$4,$2,16
andi	$7,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L359
sb	$7,0($10)

$L338:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
addu	$2,$16,$11
sra	$4,$2,16
andi	$5,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L360
sb	$5,1($10)

$L341:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
andi	$2,$3,0x00ff
sb	$2,2($10)
lbu	$5,1($12)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$15,$6
sra	$4,$4,16
slt	$2,$4,256
beq	$2,$0,$L365
subu	$2,$6,$13

slt	$2,$4,0
$L364:
move	$3,$0
movz	$3,$4,$2
subu	$2,$6,$13
subu	$2,$2,$9
sra	$5,$2,16
andi	$4,$3,0x00ff
slt	$3,$5,256
beq	$3,$0,$L362
sb	$4,3($10)

$L347:
slt	$2,$5,0
move	$3,$0
movz	$3,$5,$2
addu	$2,$16,$6
sra	$4,$2,16
andi	$5,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L363
sb	$5,4($10)

$L350:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
addiu	$14,$14,2
andi	$3,$3,0x00ff
slt	$2,$14,$17
sb	$3,5($10)
addiu	$12,$12,2
bne	$2,$0,$L334
addiu	$10,$10,6

$L353:
addiu	$19,$19,1
bne	$20,$19,$L333
addu	$18,$18,$17

$L356:
lw	$20,16($sp)
lw	$19,12($sp)
lw	$18,8($sp)
lw	$17,4($sp)
lw	$16,0($sp)
j	$31
addiu	$sp,$sp,24

.set	macro
.set	reorder
.end	RTjpeg_yuv422rgb
.section	.text.RTjpeg_yuv420rgb,"ax",@progbits
.align	2
.align	5
.globl	RTjpeg_yuv420rgb
.ent	RTjpeg_yuv420rgb
.type	RTjpeg_yuv420rgb, @function
RTjpeg_yuv420rgb:
.frame	$sp,40,$31		# vars= 0, regs= 9/0, args= 0, gp= 0
.mask	0x40ff0000,-8
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-40
sw	$fp,32($sp)
sw	$23,28($sp)
sw	$22,24($sp)
sw	$21,20($sp)
sw	$20,16($sp)
sw	$19,12($sp)
sw	$18,8($sp)
sw	$17,4($sp)
sw	$16,0($sp)
bne	$6,$0,$L367
move	$7,$4

lui	$8,%hi(RTjpeg_width)
lw	$3,%lo(RTjpeg_width)($8)
sll	$2,$3,1
addu	$21,$2,$3
move	$19,$3
$L369:
lui	$2,%hi(RTjpeg_height)
lw	$2,%lo(RTjpeg_height)($2)
sra	$23,$2,1
blez	$23,$L414
mul	$3,$19,$2

addu	$18,$3,$7
bltz	$3,$L416
move	$2,$3

$L372:
sra	$2,$2,2
sll	$fp,$19,1
addu	$2,$3,$2
addu	$3,$fp,$19
addu	$17,$7,$2
addu	$12,$5,$3
move	$11,$5
move	$20,$7
move	$22,$0
$L373:
blez	$19,$L411
nop

move	$25,$20
addu	$24,$19,$20
j	$L374
move	$16,$0

$L417:
subu	$2,$10,$13
subu	$2,$2,$9
sra	$4,$2,16
li	$7,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L378
sb	$7,0($11)

$L418:
addu	$2,$15,$10
sra	$4,$2,16
li	$5,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L381
sb	$5,1($11)

$L419:
li	$2,255			# 0xff
sb	$2,2($11)
lbu	$5,1($25)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$14,$6
sra	$4,$4,16
slt	$2,$4,256
bne	$2,$0,$L429
slt	$2,$4,0

subu	$2,$6,$13
$L431:
subu	$2,$2,$9
sra	$5,$2,16
li	$4,255			# 0xff
slt	$3,$5,256
bne	$3,$0,$L387
sb	$4,3($11)

$L421:
addu	$2,$15,$6
sra	$4,$2,16
li	$5,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L390
sb	$5,4($11)

$L422:
li	$2,255			# 0xff
sb	$2,5($11)
lbu	$5,0($24)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$14,$6
sra	$4,$4,16
slt	$2,$4,256
bne	$2,$0,$L393
addiu	$11,$11,6

$L423:
subu	$2,$6,$13
subu	$2,$2,$9
sra	$5,$2,16
li	$4,255			# 0xff
slt	$3,$5,256
bne	$3,$0,$L396
sb	$4,0($12)

$L424:
addu	$2,$15,$6
sra	$4,$2,16
li	$5,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L399
sb	$5,1($12)

$L425:
li	$2,255			# 0xff
sb	$2,2($12)
lbu	$5,1($24)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$14,$6
sra	$4,$4,16
slt	$2,$4,256
bne	$2,$0,$L430
slt	$2,$4,0

subu	$2,$6,$13
$L432:
subu	$2,$2,$9
sra	$5,$2,16
li	$4,255			# 0xff
slt	$3,$5,256
bne	$3,$0,$L405
sb	$4,3($12)

$L427:
addu	$2,$15,$6
sra	$4,$2,16
li	$5,255			# 0xff
slt	$3,$4,256
bne	$3,$0,$L408
sb	$5,4($12)

$L428:
addiu	$16,$16,2
li	$3,255			# 0xff
slt	$2,$16,$19
sb	$3,5($12)
addiu	$25,$25,2
addiu	$12,$12,6
beq	$2,$0,$L411
addiu	$24,$24,2

$L374:
lbu	$7,0($25)
li	$4,65536			# 0x10000
ori	$4,$4,0x29fc
mul	$3,$7,$4
lbu	$9,0($17)
li	$2,-1245184			# 0xffffffffffed0000
lbu	$6,0($18)
ori	$2,$2,0x6040
addu	$10,$3,$2
mul	$2,$9,$4
sll	$8,$6,3
sll	$5,$6,5
subu	$5,$5,$8
li	$3,-9764864			# 0xffffffffff6b0000
ori	$3,$3,0x200
addu	$5,$5,$6
addu	$14,$2,$3
sll	$3,$5,10
addu	$5,$5,$3
li	$3,53281			# 0xd021
mul	$4,$9,$3
addu	$2,$14,$10
sra	$8,$2,16
li	$2,-6881280			# 0xffffffffff970000
ori	$2,$2,0xef80
addu	$13,$4,$2
li	$4,131072			# 0x20000
ori	$4,$4,0x49c
mul	$3,$6,$4
li	$2,-16973824			# 0xfffffffffefd0000
ori	$2,$2,0xb200
addu	$15,$3,$2
li	$3,-3342336			# 0xffffffffffcd0000
ori	$3,$3,0xf380
slt	$7,$8,256
addu	$9,$5,$3
addiu	$17,$17,1
beq	$7,$0,$L417
addiu	$18,$18,1

slt	$2,$8,0
move	$3,$0
movz	$3,$8,$2
subu	$2,$10,$13
subu	$2,$2,$9
sra	$4,$2,16
andi	$7,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L418
sb	$7,0($11)

$L378:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
addu	$2,$15,$10
sra	$4,$2,16
andi	$5,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L419
sb	$5,1($11)

$L381:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
andi	$2,$3,0x00ff
sb	$2,2($11)
lbu	$5,1($25)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$14,$6
sra	$4,$4,16
slt	$2,$4,256
beq	$2,$0,$L431
subu	$2,$6,$13

slt	$2,$4,0
$L429:
move	$3,$0
movz	$3,$4,$2
subu	$2,$6,$13
subu	$2,$2,$9
sra	$5,$2,16
andi	$4,$3,0x00ff
slt	$3,$5,256
beq	$3,$0,$L421
sb	$4,3($11)

$L387:
slt	$2,$5,0
move	$3,$0
movz	$3,$5,$2
addu	$2,$15,$6
sra	$4,$2,16
andi	$5,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L422
sb	$5,4($11)

$L390:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
andi	$2,$3,0x00ff
sb	$2,5($11)
lbu	$5,0($24)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$14,$6
sra	$4,$4,16
slt	$2,$4,256
beq	$2,$0,$L423
addiu	$11,$11,6

$L393:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
subu	$2,$6,$13
subu	$2,$2,$9
sra	$5,$2,16
andi	$4,$3,0x00ff
slt	$3,$5,256
beq	$3,$0,$L424
sb	$4,0($12)

$L396:
slt	$2,$5,0
move	$3,$0
movz	$3,$5,$2
addu	$2,$15,$6
sra	$4,$2,16
andi	$5,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L425
sb	$5,1($12)

$L399:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
andi	$2,$3,0x00ff
sb	$2,2($12)
lbu	$5,1($24)
li	$3,65536			# 0x10000
ori	$3,$3,0x29fc
mul	$4,$5,$3
li	$2,-1245184			# 0xffffffffffed0000
ori	$2,$2,0x6040
addu	$6,$4,$2
addu	$4,$14,$6
sra	$4,$4,16
slt	$2,$4,256
beq	$2,$0,$L432
subu	$2,$6,$13

slt	$2,$4,0
$L430:
move	$3,$0
movz	$3,$4,$2
subu	$2,$6,$13
subu	$2,$2,$9
sra	$5,$2,16
andi	$4,$3,0x00ff
slt	$3,$5,256
beq	$3,$0,$L427
sb	$4,3($12)

$L405:
slt	$2,$5,0
move	$3,$0
movz	$3,$5,$2
addu	$2,$15,$6
sra	$4,$2,16
andi	$5,$3,0x00ff
slt	$3,$4,256
beq	$3,$0,$L428
sb	$5,4($12)

$L408:
slt	$2,$4,0
move	$3,$0
movz	$3,$4,$2
addiu	$16,$16,2
andi	$3,$3,0x00ff
slt	$2,$16,$19
sb	$3,5($12)
addiu	$25,$25,2
addiu	$12,$12,6
bne	$2,$0,$L374
addiu	$24,$24,2

$L411:
addiu	$22,$22,1
beq	$22,$23,$L414
addu	$11,$11,$21

addu	$12,$12,$21
j	$L373
addu	$20,$20,$fp

$L414:
lw	$fp,32($sp)
lw	$23,28($sp)
lw	$22,24($sp)
lw	$21,20($sp)
lw	$20,16($sp)
lw	$19,12($sp)
lw	$18,8($sp)
lw	$17,4($sp)
lw	$16,0($sp)
j	$31
addiu	$sp,$sp,40

$L367:
lui	$8,%hi(RTjpeg_width)
lw	$2,%lo(RTjpeg_width)($8)
sll	$4,$6,1
sll	$3,$2,1
addu	$3,$3,$2
subu	$21,$4,$3
j	$L369
move	$19,$2

$L416:
j	$L372
addiu	$2,$3,3

.set	macro
.set	reorder
.end	RTjpeg_yuv420rgb
.section	.text.RTjpeg_yuvrgb32,"ax",@progbits
.align	2
.align	5
.globl	RTjpeg_yuvrgb32
.ent	RTjpeg_yuvrgb32
.type	RTjpeg_yuvrgb32, @function
RTjpeg_yuvrgb32:
.frame	$sp,32,$31		# vars= 0, regs= 8/0, args= 0, gp= 0
.mask	0x00ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-32
sw	$23,28($sp)
sw	$22,24($sp)
sw	$21,20($sp)
sw	$20,16($sp)
sw	$19,12($sp)
sw	$18,8($sp)
sw	$17,4($sp)
sw	$16,0($sp)
bne	$6,$0,$L434
move	$7,$4

lui	$4,%hi(RTjpeg_width)
lw	$2,%lo(RTjpeg_width)($4)
sll	$21,$2,2
move	$19,$2
$L436:
lui	$2,%hi(RTjpeg_height)
lw	$2,%lo(RTjpeg_height)($2)
sra	$23,$2,1
blez	$23,$L480