mos_dissemble.s

这是一个不到2000行的操作系统

 4c8:	e8e02000 	stmia	r0!, {sp}^
 4cc:	e3a02013 	mov	r2, #19	; 0x13
 4d0:	e8a00004 	stmia	r0!, {r2}
 4d4:	e8e04000 	stmia	r0!, {lr}^
 4d8:	e8bd01fc 	ldmia	sp!, {r2, r3, r4, r5, r6, r7, r8}
 4dc:	e8a001fc 	stmia	r0!, {r2, r3, r4, r5, r6, r7, r8}
 4e0:	e8bd01fc 	ldmia	sp!, {r2, r3, r4, r5, r6, r7, r8}
 4e4:	e8a001fc 	stmia	r0!, {r2, r3, r4, r5, r6, r7, r8}
 4e8:	e5910000 	ldr	r0, [r1]
 4ec:	e1a00c80 	mov	r0, r0, lsl #25
 4f0:	ee0d0f10 	mcr	15, 0, r0, cr13, cr0, {0}
 4f4:	e2811014 	add	r1, r1, #20	; 0x14
 4f8:	e8b1003c 	ldmia	r1!, {r2, r3, r4, r5}
 4fc:	e1a00005 	mov	r0, r5
 500:	e200001f 	and	r0, r0, #31	; 0x1f
 504:	e3500013 	cmp	r0, #19	; 0x13
 508:	0321f0d3 	msreq	CPSR_c, #211	; 0xd3
 50c:	1321f0df 	msrne	CPSR_c, #223	; 0xdf
 510:	e1a0d002 	mov	sp, r2
 514:	e3a0044a 	mov	r0, #1241513984	; 0x4a000000
 518:	e3a02b01 	mov	r2, #1024	; 0x400
 51c:	e5802000 	str	r2, [r0]
 520:	e2800010 	add	r0, r0, #16	; 0x10
 524:	e5902000 	ldr	r2, [r0]
 528:	e5802000 	str	r2, [r0]
 52c:	e12ff003 	msr	CPSR_fsxc, r3
 530:	e1a0d004 	mov	sp, r4
 534:	116ff005 	msrne	SPSR_fsxc, r5
 538:	e1a00001 	mov	r0, r1
 53c:	08f04000 	ldmeqia	r0!, {lr}^
 540:	18f04000 	ldmneia	r0!, {lr}^
 544:	e8909fff 	ldmia	r0, {r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, pc}
 548:	e2800014 	add	r0, r0, #20	; 0x14
 54c:	e8e02000 	stmia	r0!, {sp}^
 550:	e10f2000 	mrs	r2, CPSR
 554:	e8a00004 	stmia	r0!, {r2}
 558:	e8a02000 	stmia	r0!, {sp}
 55c:	e14f2000 	mrs	r2, SPSR
 560:	e8a00004 	stmia	r0!, {r2}
 564:	e8e04000 	stmia	r0!, {lr}^
 568:	e8a05fff 	stmia	r0!, {r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, lr}
 56c:	eaffffdd 	b	0x4e8
 570:	300fffc8 	andcc	pc, pc, r8, asr #31
 574:	e92d5fff 	stmdb	sp!, {r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, lr}
 578:	e51e4004 	ldr	r4, [lr, #-4]
 57c:	e3c444ff 	bic	r4, r4, #-16777216	; 0xff000000
 580:	e3540003 	cmp	r4, #3	; 0x3
 584:	959f5018 	ldrls	r5, [pc, #24]	; 0x5a4
 588:	959fe018 	ldrls	lr, [pc, #24]	; 0x5a8
 58c:	9795f104 	ldrls	pc, [r5, r4, lsl #2]
 590:	e3e00000 	mvn	r0, #0	; 0x0
 594:	e8fd9fff 	ldmia	sp!, {r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, pc}^
 598:	e59ff00c 	ldr	pc, [pc, #12]	; 0x5ac
 59c:	e59ff00c 	ldr	pc, [pc, #12]	; 0x5b0
 5a0:	e59ff00c 	ldr	pc, [pc, #12]	; 0x5b4
 5a4:	30004e6c 	andcc	r4, r0, ip, ror #28
 5a8:	30004594 	mulcc	r0, r4, r5
 5ac:	300049fc 	strccd	r4, [r0], -ip
 5b0:	30004a20 	andcc	r4, r0, r0, lsr #20
 5b4:	30004a48 	andcc	r4, r0, r8, asr #20
 5b8:	e92d4030 	stmdb	sp!, {r4, r5, lr}
 5bc:	e59fe094 	ldr	lr, [pc, #148]	; 0x658
 5c0:	e3a00000 	mov	r0, #0	; 0x0
 5c4:	e1a0100e 	mov	r1, lr
 5c8:	e3e04000 	mvn	r4, #0	; 0x0
 5cc:	e1a05000 	mov	r5, r0
 5d0:	e1a0c000 	mov	ip, r0
 5d4:	e5814000 	str	r4, [r1]
 5d8:	e1a03001 	mov	r3, r1
 5dc:	e3a02b01 	mov	r2, #1024	; 0x400
 5e0:	e9810030 	stmib	r1, {r4, r5}
 5e4:	e5815010 	str	r5, [r1, #16]
 5e8:	e2522001 	subs	r2, r2, #1	; 0x1
 5ec:	e583c064 	str	ip, [r3, #100]
 5f0:	e2833004 	add	r3, r3, #4	; 0x4
 5f4:	1afffffb 	bne	0x5e8
 5f8:	e2800001 	add	r0, r0, #1	; 0x1
 5fc:	e2811d41 	add	r1, r1, #4160	; 0x1040
 600:	e350003e 	cmp	r0, #62	; 0x3e
 604:	e2811024 	add	r1, r1, #36	; 0x24
 608:	dafffff1 	ble	0x5d4
 60c:	e59f3048 	ldr	r3, [pc, #72]	; 0x65c
 610:	e3a01203 	mov	r1, #805306368	; 0x30000000
 614:	e583e000 	str	lr, [r3]
 618:	e59f3040 	ldr	r3, [pc, #64]	; 0x660
 61c:	e2811aff 	add	r1, r1, #1044480	; 0xff000
 620:	e3a00005 	mov	r0, #5	; 0x5
 624:	e2811b03 	add	r1, r1, #3072	; 0xc00
 628:	e58e3014 	str	r3, [lr, #20]
 62c:	e3a0205f 	mov	r2, #95	; 0x5f
 630:	e3a03013 	mov	r3, #19	; 0x13
 634:	e58e0010 	str	r0, [lr, #16]
 638:	e58e2018 	str	r2, [lr, #24]
 63c:	e58e101c 	str	r1, [lr, #28]
 640:	e58e3020 	str	r3, [lr, #32]
 644:	e58ec05c 	str	ip, [lr, #92]
 648:	e58ec000 	str	ip, [lr]
 64c:	e58ec004 	str	ip, [lr, #4]
 650:	e58e0008 	str	r0, [lr, #8]
 654:	e8bd8030 	ldmia	sp!, {r4, r5, pc}
 658:	30004e84 	andcc	r4, r0, r4, lsl #29
 65c:	30004e80 	andcc	r4, r0, r0, lsl #29
 660:	30005ee8 	andcc	r5, r0, r8, ror #29
 664:	e92d4010 	stmdb	sp!, {r4, lr}
 668:	e59f40b0 	ldr	r4, [pc, #176]	; 0x720
 66c:	e3e00000 	mvn	r0, #0	; 0x0
 670:	e3a0c000 	mov	ip, #0	; 0x0
 674:	e59f20a8 	ldr	r2, [pc, #168]	; 0x724
 678:	e3a01001 	mov	r1, #1	; 0x1
 67c:	e5923004 	ldr	r3, [r2, #4]
 680:	e3530000 	cmp	r3, #0	; 0x0
 684:	1a000003 	bne	0x698
 688:	e5923008 	ldr	r3, [r2, #8]
 68c:	e1530000 	cmp	r3, r0
 690:	c1a00003 	movgt	r0, r3
 694:	c1a0c001 	movgt	ip, r1
 698:	e2811001 	add	r1, r1, #1	; 0x1
 69c:	e2822d41 	add	r2, r2, #4160	; 0x1040
 6a0:	e351003e 	cmp	r1, #62	; 0x3e
 6a4:	e2822024 	add	r2, r2, #36	; 0x24
 6a8:	dafffff3 	ble	0x67c
 6ac:	e3500000 	cmp	r0, #0	; 0x0
 6b0:	1a00000a 	bne	0x6e0
 6b4:	e59f2064 	ldr	r2, [pc, #100]	; 0x720
 6b8:	e3a0103e 	mov	r1, #62	; 0x3e
 6bc:	e5923004 	ldr	r3, [r2, #4]
 6c0:	e3530000 	cmp	r3, #0	; 0x0
 6c4:	05923010 	ldreq	r3, [r2, #16]
 6c8:	05823008 	streq	r3, [r2, #8]
 6cc:	e2822d41 	add	r2, r2, #4160	; 0x1040
 6d0:	e2511001 	subs	r1, r1, #1	; 0x1
 6d4:	e2822024 	add	r2, r2, #36	; 0x24
 6d8:	5afffff7 	bpl	0x6bc
 6dc:	eaffffe4 	b	0x674
 6e0:	e08c330c 	add	r3, ip, ip, lsl #6
 6e4:	e08c3083 	add	r3, ip, r3, lsl #1
 6e8:	e59fe038 	ldr	lr, [pc, #56]	; 0x728
 6ec:	e08c3183 	add	r3, ip, r3, lsl #3
 6f0:	e1a03103 	mov	r3, r3, lsl #2
 6f4:	e59e0000 	ldr	r0, [lr]
 6f8:	e0832004 	add	r2, r3, r4
 6fc:	e1520000 	cmp	r2, r0
 700:	08bd8010 	ldmeqia	sp!, {r4, pc}
 704:	e7933004 	ldr	r3, [r3, r4]
 708:	e3530000 	cmp	r3, #0	; 0x0
 70c:	b8bd8010 	ldmltia	sp!, {r4, pc}
 710:	e1a01002 	mov	r1, r2
 714:	e58e2000 	str	r2, [lr]
 718:	e8bd4010 	ldmia	sp!, {r4, lr}
 71c:	eaffff5d 	b	0x498
 720:	30004e84 	andcc	r4, r0, r4, lsl #29
 724:	30005ee8 	andcc	r5, r0, r8, ror #29
 728:	30004e80 	andcc	r4, r0, r0, lsl #29
 72c:	e59f0084 	ldr	r0, [pc, #132]	; 0x7b8
 730:	e5903000 	ldr	r3, [r0]
 734:	e3530000 	cmp	r3, #0	; 0x0
 738:	01a0f00e 	moveq	pc, lr
 73c:	e59f2078 	ldr	r2, [pc, #120]	; 0x7bc
 740:	e3a0103d 	mov	r1, #61	; 0x3d
 744:	ea000003 	b	0x758
 748:	e2822d41 	add	r2, r2, #4160	; 0x1040
 74c:	e2511001 	subs	r1, r1, #1	; 0x1
 750:	e2822024 	add	r2, r2, #36	; 0x24
 754:	4a00000b 	bmi	0x788
 758:	e5923004 	ldr	r3, [r2, #4]
 75c:	e3530005 	cmp	r3, #5	; 0x5
 760:	1afffff8 	bne	0x748
 764:	e592300c 	ldr	r3, [r2, #12]
 768:	e2433001 	sub	r3, r3, #1	; 0x1
 76c:	e3530000 	cmp	r3, #0	; 0x0
 770:	05823004 	streq	r3, [r2, #4]
 774:	e2511001 	subs	r1, r1, #1	; 0x1
 778:	e582300c 	str	r3, [r2, #12]
 77c:	e2822d41 	add	r2, r2, #4160	; 0x1040
 780:	e2822024 	add	r2, r2, #36	; 0x24
 784:	5afffff3 	bpl	0x758
 788:	e5902000 	ldr	r2, [r0]
 78c:	e5923008 	ldr	r3, [r2, #8]
 790:	e3530000 	cmp	r3, #0	; 0x0
 794:	12433001 	subne	r3, r3, #1	; 0x1
 798:	15823008 	strne	r3, [r2, #8]
 79c:	e5923004 	ldr	r3, [r2, #4]
 7a0:	e3530000 	cmp	r3, #0	; 0x0
 7a4:	1a000002 	bne	0x7b4
 7a8:	e5923008 	ldr	r3, [r2, #8]
 7ac:	e3530000 	cmp	r3, #0	; 0x0
 7b0:	11a0f00e 	movne	pc, lr
 7b4:	eaffffaa 	b	0x664
 7b8:	30004e80 	andcc	r4, r0, r0, lsl #29
 7bc:	30005ee8 	andcc	r5, r0, r8, ror #29
 7c0:	e92d4ff0 	stmdb	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
 7c4:	e59fb228 	ldr	fp, [pc, #552]	; 0x9f4
 7c8:	e1a0c000 	mov	ip, r0
 7cc:	e1a0e001 	mov	lr, r1
 7d0:	e1a06002 	mov	r6, r2
 7d4:	e1a0a003 	mov	sl, r3
 7d8:	e3a05001 	mov	r5, #1	; 0x1
 7dc:	e3a09000 	mov	r9, #0	; 0x0
 7e0:	ea000002 	b	0x7f0
 7e4:	e2855001 	add	r5, r5, #1	; 0x1
 7e8:	e355003e 	cmp	r5, #62	; 0x3e
 7ec:	8a00003a 	bhi	0x8dc
 7f0:	e0853305 	add	r3, r5, r5, lsl #6
 7f4:	e0853083 	add	r3, r5, r3, lsl #1
 7f8:	e0853183 	add	r3, r5, r3, lsl #3
 7fc:	e08b3103 	add	r3, fp, r3, lsl #2
 800:	e5932004 	ldr	r2, [r3, #4]
 804:	e3720001 	cmn	r2, #1	; 0x1
 808:	e2451001 	sub	r1, r5, #1	; 0x1
 80c:	e2453019 	sub	r3, r5, #25	; 0x19
 810:	e2450030 	sub	r0, r5, #48	; 0x30
 814:	1afffff2 	bne	0x7e4
 818:	e3510016 	cmp	r1, #22	; 0x16
 81c:	8353000a 	cmphi	r3, #10	; 0xa
 820:	9a000001 	bls	0x82c
 824:	e350000e 	cmp	r0, #14	; 0xe
 828:	8affffed 	bhi	0x7e4
 82c:	e10f0000 	mrs	r0, CPSR
 830:	e92d0001 	stmdb	sp!, {r0}
 834:	e3800080 	orr	r0, r0, #128	; 0x80
 838:	e121f000 	msr	CPSR_c, r0
 83c:	e3a02000 	mov	r2, #0	; 0x0
 840:	e1a07a05 	mov	r7, r5, lsl #20
 844:	e3e034ff 	mvn	r3, #-16777216	; 0xff000000
 848:	e243373f 	sub	r3, r3, #16515072	; 0xfc0000
 84c:	e1a08005 	mov	r8, r5
 850:	e2470641 	sub	r0, r7, #68157440	; 0x4100000
 854:	e1a04002 	mov	r4, r2
 858:	e7804102 	str	r4, [r0, r2, lsl #2]
 85c:	e2822001 	add	r2, r2, #1	; 0x1
 860:	e1520003 	cmp	r2, r3
 864:	9afffffb 	bls	0x858
 868:	e1a0200e 	mov	r2, lr
 86c:	e1a0100c 	mov	r1, ip
 870:	ebfffe6a 	bl	0x220
 874:	e287033f 	add	r0, r7, #-67108864	; 0xfc000000
 878:	e3560000 	cmp	r6, #0	; 0x0
 87c:	e1a02004 	mov	r2, r4
 880:	e2400b01 	sub	r0, r0, #1024	; 0x400
 884:	e1a0e004 	mov	lr, r4
 888:	15d63000 	ldrneb	r3, [r6]
 88c:	0a000014 	beq	0x8e4
 890:	e3530000 	cmp	r3, #0	; 0x0
 894:	1a000002 	bne	0x8a4
 898:	ea000011 	b	0x8e4
 89c:	e2822001 	add	r2, r2, #1	; 0x1
 8a0:	e7d63002 	ldrb	r3, [r6, r2]
 8a4:	e3530020 	cmp	r3, #32	; 0x20
 8a8:	0afffffb 	beq	0x89c
 8ac:	e20310ff 	and	r1, r3, #255	; 0xff
 8b0:	e3510000 	cmp	r1, #0	; 0x0
 8b4:	0a00000a 	beq	0x8e4
 8b8:	e3510020 	cmp	r1, #32	; 0x20
 8bc:	e28ee001 	add	lr, lr, #1	; 0x1
 8c0:	0afffff2 	beq	0x890
 8c4:	e2822001 	add	r2, r2, #1	; 0x1
 8c8:	e7d63002 	ldrb	r3, [r6, r2]
 8cc:	e3530000 	cmp	r3, #0	; 0x0
 8d0:	13530020 	cmpne	r3, #32	; 0x20
 8d4:	1afffffa 	bne	0x8c4
 8d8:	eaffffec 	b	0x890
 8dc:	e3a00000 	mov	r0, #0	; 0x0
 8e0:	e8bd8ff0 	ldmia	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, pc}
 8e4:	e28e3001 	add	r3, lr, #1	; 0x1
 8e8:	e4803004 	str	r3, [r0], #4
 8ec:	e4805004 	str	r5, [r0], #4
 8f0:	e3a05000 	mov	r5, #0	; 0x0
 8f4:	e155000e 	cmp	r5, lr
 8f8:	e1a02005 	mov	r2, r5
 8fc:	e080310e 	add	r3, r0, lr, lsl #2
 900:	e2831004 	add	r1, r3, #4	; 0x4
 904:	2a00001e 	bcs	0x984
 908:	e1a07a08 	mov	r7, r8, lsl #20
 90c:	e1a04005 	mov	r4, r5
 910:	e0673001 	rsb	r3, r7, r1
 914:	e2833641 	add	r3, r3, #68157440	; 0x4100000
 918:	e4803004 	str	r3, [r0], #4
 91c:	e7d63002 	ldrb	r3, [r6, r2]
 920:	e3530020 	cmp	r3, #32	; 0x20
 924:	1a000003 	bne	0x938
 928:	e2822001 	add	r2, r2, #1	; 0x1
 92c:	e7d63002 	ldrb	r3, [r6, r2]
 930:	e3530020 	cmp	r3, #32	; 0x20
 934:	0afffffb 	beq	0x928
 938:	e203c0ff 	and	ip, r3, #255	; 0xff
 93c:	e35c0000 	cmp	ip, #0	; 0x0
 940:	0a00000f 	beq	0x984
 944:	e35c0020 	cmp	ip, #32	; 0x20
 948:	0a000005 	beq	0x964
 94c:	e4c13001 	strb	r3, [r1], #1
 950:	e2822001 	add	r2, r2, #1	; 0x1
 954:	e7d63002 	ldrb	r3, [r6, r2]
 958:	e3530000 	cmp	r3, #0	; 0x0
 95c:	13530020 	cmpne	r3, #32	; 0x20
 960:	1afffff9 	bne	0x94c
 964:	e4c14004 	strb	r4, [r1], #4
 968:	e7d63002 	ldrb	r3, [r6, r2]
 96c:	e3530000 	cmp	r3, #0	; 0x0
 970:	e3c11003 	bic	r1, r1, #3	; 0x3
 974:	0a000002 	beq	0x984
 978:	e2855001 	add	r5, r5, #1	; 0x1
 97c:	e155000e 	cmp	r5, lr
 980:	3affffe2 	bcc	0x910
 984:	e0883308 	add	r3, r8, r8, lsl #6
 988:	e0883083 	add	r3, r8, r3, lsl #1
 98c:	e0883183 	add	r3, r8, r3, lsl #3
 990:	e59f1060 	ldr	r1, [pc, #96]	; 0x9f8
 994:	e1a03103 	mov	r3, r3, lsl #2
 998:	e083200b 	add	r2, r3, fp
 99c:	e0831001 	add	r1, r3, r1
 9a0:	e783800b 	str	r8, [r3, fp]
 9a4:	e3a0300f 	mov	r3, #15	; 0xf