dump.txt

MIPS 虚存测试, 表明在裸机环境, 无OS,无LOADER时如何定位目标码,将虚存与相应的物理单元做比较.原创.

init_tlb.x:     file format elf32-tradlittlemips

Disassembly of section .text:

be009000 <_ftext>:
	...

be009180 <gen_hdlr>:
be009180:	00000000 	nop
be009184:	40046800 	mfc0	a0,c0_cause
be009188:	00000000 	nop
be00918c:	00002821 	move	a1,zero
be009190:	42000018 	eret
	...

be009200 <int_hdlr>:
be009200:	40086800 	mfc0	t0,c0_cause
be009204:	00000000 	nop
be009208:	40096000 	mfc0	t1,c0_status
be00920c:	3c0afc00 	lui	t2,0xfc00
be009210:	01095824 	and	t3,t0,t1
be009214:	014b5824 	and	t3,t2,t3
be009218:	400c6001 	mfc0	t4,$12,1
be00921c:	11600003 	beqz	t3,be00922c <int_hdlr_ret>
be009220:	400d6002 	mfc0	t5,$12,2
be009224:	42000018 	eret
be009228:	00000000 	nop

be00922c <int_hdlr_ret>:
be00922c:	42000018 	eret
	...

be009400 <connex>:
be009400:	2004000f 	addi	a0,zero,15
be009404:	40057801 	mfc0	a1,$15,1
be009408:	00000000 	nop
be00940c:	00a42024 	and	a0,a1,a0
be009410:	20050002 	addi	a1,zero,2
be009414:	00a43004 	sllv	a2,a0,a1
be009418:	20050008 	addi	a1,zero,8
be00941c:	00a43804 	sllv	a3,a0,a1
be009420:	3c02be00 	lui	v0,0xbe00
be009424:	3442f7e0 	ori	v0,v0,0xf7e0
be009428:	00471022 	sub	v0,v0,a3
be00942c:	0040e821 	move	sp,v0
be009430:	03a0f021 	move	s8,sp
be009434:	10800008 	beqz	a0,be009458 <audio_cpu>
be009438:	2084ffff 	addi	a0,a0,-1
be00943c:	1080000b 	beqz	a0,be00946c <video_cpu>
be009440:	2084ffff 	addi	a0,a0,-1
be009444:	1080000e 	beqz	a0,be009480 <host_cpu>
be009448:	2084ffff 	addi	a0,a0,-1
be00944c:	10800011 	beqz	a0,be009494 <demux_cpu>
be009450:	00000000 	nop
be009454:	0b802531 	j	be0094c4 <self_loop>

be009458 <audio_cpu>:
be009458:	20070000 	addi	a3,zero,0
be00945c:	10e0001b 	beqz	a3,be0094cc <cont>
be009460:	00000000 	nop
be009464:	0b80252a 	j	be0094a8 <bypass>
be009468:	00000000 	nop

be00946c <video_cpu>:
be00946c:	20070000 	addi	a3,zero,0
be009470:	10e00016 	beqz	a3,be0094cc <cont>
be009474:	00000000 	nop
be009478:	0b80252a 	j	be0094a8 <bypass>
be00947c:	00000000 	nop

be009480 <host_cpu>:
be009480:	20070000 	addi	a3,zero,0
be009484:	10e00011 	beqz	a3,be0094cc <cont>
be009488:	00000000 	nop
be00948c:	0b80252a 	j	be0094a8 <bypass>
be009490:	00000000 	nop

be009494 <demux_cpu>:
be009494:	20070000 	addi	a3,zero,0
be009498:	10e0000c 	beqz	a3,be0094cc <cont>
be00949c:	00000000 	nop
be0094a0:	0b80252a 	j	be0094a8 <bypass>
be0094a4:	00000000 	nop

be0094a8 <bypass>:
be0094a8:	20040400 	addi	a0,zero,1024
be0094ac:	ac870000 	sw	a3,0(a0)
be0094b0:	3c05be00 	lui	a1,0xbe00
be0094b4:	00a63020 	add	a2,a1,a2
be0094b8:	3c06be00 	lui	a2,0xbe00
be0094bc:	8cc905c4 	lw	t1,1476(a2)
be0094c0:	00000000 	nop

be0094c4 <self_loop>:
be0094c4:	0b802531 	j	be0094c4 <self_loop>
be0094c8:	00000000 	nop

be0094cc <cont>:
be0094cc:	3c06be00 	lui	a2,0xbe00
be0094d0:	00000000 	nop
be0094d4:	8ccd05c4 	lw	t5,1476(a2)
be0094d8:	3c03be01 	lui	v1,0xbe01
be0094dc:	0060e021 	move	gp,v1
be0094e0:	3c070080 	lui	a3,0x80
be0094e4:	40876800 	mtc0	a3,c0_cause
be0094e8:	3c08be00 	lui	t0,0xbe00
be0094ec:	35089000 	ori	t0,t0,0x9000
be0094f0:	40887801 	mtc0	t0,$15,1
be0094f4:	00000000 	nop
be0094f8:	24090004 	li	t1,4
be0094fc:	40896000 	mtc0	t1,c0_status
be009500:	0f802567 	jal	be00959c <main>
be009504:	00000000 	nop

be009508 <sys_tlb_write>:
be009508:	8c880000 	lw	t0,0(a0)
be00950c:	00000000 	nop
be009510:	40880000 	mtc0	t0,c0_index
be009514:	00000000 	nop
be009518:	8c880004 	lw	t0,4(a0)
be00951c:	00000000 	nop
be009520:	40882800 	mtc0	t0,c0_pagemask
be009524:	00000000 	nop
be009528:	8c880008 	lw	t0,8(a0)
be00952c:	00000000 	nop
be009530:	40885000 	mtc0	t0,c0_entryhi
be009534:	00000000 	nop
be009538:	8c88000c 	lw	t0,12(a0)
be00953c:	00000000 	nop
be009540:	40881000 	mtc0	t0,c0_entrylo0
be009544:	00000000 	nop
be009548:	8c880010 	lw	t0,16(a0)
be00954c:	00000000 	nop
be009550:	40881800 	mtc0	t0,c0_entrylo1
be009554:	00000000 	nop
be009558:	42000002 	tlbwi
be00955c:	03e00008 	jr	ra
be009560:	00000000 	nop

be009564 <sys_tlb_read>:
be009564:	00000000 	nop
be009568:	40840000 	mtc0	a0,c0_index
be00956c:	00000000 	nop
be009570:	42000001 	tlbr
be009574:	40082800 	mfc0	t0,c0_pagemask
be009578:	aca80000 	sw	t0,0(a1)
be00957c:	40085000 	mfc0	t0,c0_entryhi
be009580:	aca80004 	sw	t0,4(a1)
be009584:	40081000 	mfc0	t0,c0_entrylo0
be009588:	aca80008 	sw	t0,8(a1)
be00958c:	40081800 	mfc0	t0,c0_entrylo1
be009590:	aca8000c 	sw	t0,12(a1)
be009594:	03e00008 	jr	ra
be009598:	00000000 	nop

be00959c <main>:
be00959c:	27bdffb8 	addiu	sp,sp,-72
be0095a0:	afbf0044 	sw	ra,68(sp)
be0095a4:	afbe0040 	sw	s8,64(sp)
be0095a8:	03a0f021 	move	s8,sp
be0095ac:	3c02e000 	lui	v0,0xe000
be0095b0:	afc20030 	sw	v0,48(s8)
be0095b4:	3c02be00 	lui	v0,0xbe00
be0095b8:	3442a000 	ori	v0,v0,0xa000
be0095bc:	afc20034 	sw	v0,52(s8)
be0095c0:	0f8025ad 	jal	be0096b4 <tlb_init_sub>
be0095c4:	00000000 	nop
be0095c8:	27c20018 	addiu	v0,s8,24
be0095cc:	00002021 	move	a0,zero
be0095d0:	00402821 	move	a1,v0
be0095d4:	0f802559 	jal	be009564 <sys_tlb_read>
be0095d8:	00000000 	nop
be0095dc:	8fc30034 	lw	v1,52(s8)
be0095e0:	3c020011 	lui	v0,0x11
be0095e4:	344255aa 	ori	v0,v0,0x55aa
be0095e8:	ac620000 	sw	v0,0(v1)
be0095ec:	8fc20034 	lw	v0,52(s8)
be0095f0:	8c420000 	lw	v0,0(v0)
be0095f4:	24420001 	addiu	v0,v0,1
be0095f8:	afc20014 	sw	v0,20(s8)
be0095fc:	afc00010 	sw	zero,16(s8)
be009600:	8fc20010 	lw	v0,16(s8)
be009604:	2c420002 	sltiu	v0,v0,2
be009608:	10400006 	beqz	v0,be009624 <main+0x88>
be00960c:	00000000 	nop
be009610:	8fc20010 	lw	v0,16(s8)
be009614:	24420001 	addiu	v0,v0,1
be009618:	afc20010 	sw	v0,16(s8)
be00961c:	1000fff8 	b	be009600 <main+0x64>
be009620:	00000000 	nop
be009624:	8fc20030 	lw	v0,48(s8)
be009628:	8c420000 	lw	v0,0(v0)
be00962c:	afc20014 	sw	v0,20(s8)
be009630:	afc00010 	sw	zero,16(s8)
be009634:	8fc20010 	lw	v0,16(s8)
be009638:	2c420003 	sltiu	v0,v0,3
be00963c:	10400006 	beqz	v0,be009658 <main+0xbc>
be009640:	00000000 	nop
be009644:	8fc20010 	lw	v0,16(s8)
be009648:	24420001 	addiu	v0,v0,1
be00964c:	afc20010 	sw	v0,16(s8)
be009650:	1000fff8 	b	be009634 <main+0x98>
be009654:	00000000 	nop
be009658:	8fc20014 	lw	v0,20(s8)
be00965c:	3c030011 	lui	v1,0x11
be009660:	346355aa 	ori	v1,v1,0x55aa
be009664:	14430006 	bne	v0,v1,be009680 <main+0xe4>
be009668:	00000000 	nop
be00966c:	3c02a000 	lui	v0,0xa000
be009670:	34420400 	ori	v0,v0,0x400
be009674:	afc20038 	sw	v0,56(s8)
be009678:	10000004 	b	be00968c <main+0xf0>
be00967c:	00000000 	nop
be009680:	3c02a000 	lui	v0,0xa000
be009684:	34420500 	ori	v0,v0,0x500
be009688:	afc20038 	sw	v0,56(s8)
be00968c:	8fc20038 	lw	v0,56(s8)
be009690:	afc20030 	sw	v0,48(s8)
be009694:	8fc20030 	lw	v0,48(s8)
be009698:	ac400000 	sw	zero,0(v0)
be00969c:	03c0e821 	move	sp,s8
be0096a0:	8fbf0044 	lw	ra,68(sp)
be0096a4:	8fbe0040 	lw	s8,64(sp)
be0096a8:	27bd0048 	addiu	sp,sp,72
be0096ac:	03e00008 	jr	ra
be0096b0:	00000000 	nop

be0096b4 <tlb_init_sub>:
be0096b4:	27bdffc0 	addiu	sp,sp,-64
be0096b8:	afbf003c 	sw	ra,60(sp)
be0096bc:	afbe0038 	sw	s8,56(sp)
be0096c0:	03a0f021 	move	s8,sp
be0096c4:	afc00014 	sw	zero,20(s8)
be0096c8:	afc00010 	sw	zero,16(s8)
be0096cc:	8fc20010 	lw	v0,16(s8)
be0096d0:	2c420010 	sltiu	v0,v0,16
be0096d4:	1040001c 	beqz	v0,be009748 <tlb_init_sub+0x94>
be0096d8:	00000000 	nop
be0096dc:	8fc20010 	lw	v0,16(s8)
be0096e0:	afc20018 	sw	v0,24(s8)
be0096e4:	24021800 	li	v0,6144
be0096e8:	afc2001c 	sw	v0,28(s8)
be0096ec:	8fc20010 	lw	v0,16(s8)
be0096f0:	00021b40 	sll	v1,v0,0xd
be0096f4:	3c02e000 	lui	v0,0xe000
be0096f8:	00621021 	addu	v0,v1,v0
be0096fc:	afc20020 	sw	v0,32(s8)
be009700:	8fc20010 	lw	v0,16(s8)
be009704:	000219c0 	sll	v1,v0,0x7
be009708:	3c020078 	lui	v0,0x78
be00970c:	34420293 	ori	v0,v0,0x293
be009710:	00621021 	addu	v0,v1,v0
be009714:	afc20024 	sw	v0,36(s8)
be009718:	8fc20024 	lw	v0,36(s8)
be00971c:	34420040 	ori	v0,v0,0x40
be009720:	afc20028 	sw	v0,40(s8)
be009724:	27c20018 	addiu	v0,s8,24
be009728:	00402021 	move	a0,v0
be00972c:	0f802542 	jal	be009508 <sys_tlb_write>
be009730:	00000000 	nop
be009734:	8fc20010 	lw	v0,16(s8)
be009738:	24420001 	addiu	v0,v0,1
be00973c:	afc20010 	sw	v0,16(s8)
be009740:	1000ffe2 	b	be0096cc <tlb_init_sub+0x18>
be009744:	00000000 	nop
be009748:	03c0e821 	move	sp,s8
be00974c:	8fbf003c 	lw	ra,60(sp)
be009750:	8fbe0038 	lw	s8,56(sp)
be009754:	27bd0040 	addiu	sp,sp,64
be009758:	03e00008 	jr	ra
be00975c:	00000000 	nop