1~

针对德州仪器DM270开发板的bootloader,其实现了内核的下载以及文件系统的下载

  900380:	774f6c4a 	strvcb	r6, [pc, -r10, asr #24]
  900384:	00732e51 	rsbeqs	r2, r3, r1, asr lr
  900388:	64616568 	strvsbt	r6, [r1], -#1384
  90038c:	326d645f 	rsbcc	r6, sp, #1593835520	; 0x5f000000
  900390:	532e3037 	teqpl	lr, #55	; 0x37
  900394:	682f0000 	stmvsda	pc!, {}
  900398:	2f656d6f 	swics	0x00656d6f
  90039c:	37326d64 	ldrcc	r6, [r2, -r4, ror #26]!
  9003a0:	72722f30 	rsbvcs	r2, r2, #192	; 0xc0
  9003a4:	64616f6c 	strvsbt	r6, [r1], -#3948
  9003a8:	6f62002f 	swivs	0x0062002f
  9003ac:	632e746f 	teqvs	lr, #1862270976	; 0x6f000000
  9003b0:	63636700 	cmnvs	r3, #0	; 0x0
  9003b4:	6f635f32 	swivs	0x00635f32
  9003b8:	6c69706d 	stcvsl	0, cr7, [r9], -#436
  9003bc:	002e6465 	eoreq	r6, lr, r5, ror #8
  9003c0:	3a746e69 	bcc	261bd6c <__bss_end+0x1d08400>
  9003c4:	2c302874 	ldccs	8, cr2, [r0], -#464
  9003c8:	723d2931 	eorvcs	r2, sp, #802816	; 0xc4000
  9003cc:	312c3028 	teqcc	r12, r8, lsr #32
  9003d0:	322d3b29 	eorcc	r3, sp, #41984	; 0xa400
  9003d4:	34373431 	ldrcct	r3, [r7], -#1073
  9003d8:	34363338 	ldrcct	r3, [r6], -#824
  9003dc:	31323b38 	teqcc	r2, r8, lsr r11
  9003e0:	38343734 	ldmccda	r4!, {r2, r4, r5, r8, r9, r10, r12, sp}
  9003e4:	37343633 	undefined
  9003e8:	6863003b 	stmvsda	r3!, {r0, r1, r3, r4, r5}^
  9003ec:	743a7261 	ldrvct	r7, [r10], -#609
  9003f0:	322c3028 	eorcc	r3, r12, #40	; 0x28
  9003f4:	73403d29 	cmpvc	r0, #2624	; 0xa40
  9003f8:	28723b38 	ldmcsda	r2!, {r3, r4, r5, r8, r9, r11, r12, sp}^
  9003fc:	29322c30 	ldmcsdb	r2!, {r4, r5, r10, r11, sp}
  900400:	323b303b 	eorccs	r3, r11, #59	; 0x3b
  900404:	003b3535 	eoreqs	r3, r11, r5, lsr r5
  900408:	676e6f6c 	strvsb	r6, [lr, -r12, ror #30]!
  90040c:	746e6920 	strvcbt	r6, [lr], -#2336
  900410:	3028743a 	eorcc	r7, r8, r10, lsr r4
  900414:	3d29332c 	stccc	3, cr3, [r9, -#176]!
  900418:	2c302872 	ldccs	8, cr2, [r0], -#456
  90041c:	2d3b2933 	ldccs	9, cr2, [r11, -#204]!
  900420:	37343132 	undefined
  900424:	36333834 	undefined
  900428:	323b3834 	eorccs	r3, r11, #3407872	; 0x340000
  90042c:	34373431 	ldrcct	r3, [r7], -#1073
  900430:	34363338 	ldrcct	r3, [r6], -#824
  900434:	75003b37 	strvc	r3, [r0, -#2871]
  900438:	6769736e 	strvsb	r7, [r9, -lr, ror #6]!
  90043c:	2064656e 	rsbcs	r6, r4, lr, ror #10
  900440:	3a746e69 	bcc	261bdec <__bss_end+0x1d08480>
  900444:	2c302874 	ldccs	8, cr2, [r0], -#464
  900448:	723d2934 	eorvcs	r2, sp, #851968	; 0xd0000
  90044c:	342c3028 	strcct	r3, [r12], -#40
  900450:	30303b29 	eorccs	r3, r0, r9, lsr #22
  900454:	30303030 	eorccs	r3, r0, r0, lsr r0
  900458:	30303030 	eorccs	r3, r0, r0, lsr r0
  90045c:	3b303030 	blcc	150c524 <__bss_end+0xbf8bb8>
  900460:	37333030 	undefined
  900464:	37373737 	undefined
  900468:	37373737 	undefined
  90046c:	6c003b37 	stcvs	11, cr3, [r0], -#220
  900470:	20676e6f 	rsbcs	r6, r7, pc, ror #28
  900474:	69736e75 	ldmvsdb	r3!, {r0, r2, r4, r5, r6, r9, r10, r11, sp, lr}^
  900478:	64656e67 	strvsbt	r6, [r5], -#3687
  90047c:	746e6920 	strvcbt	r6, [lr], -#2336
  900480:	3028743a 	eorcc	r7, r8, r10, lsr r4
  900484:	3d29352c 	stccc	5, cr3, [r9, -#176]!
  900488:	2c302872 	ldccs	8, cr2, [r0], -#456
  90048c:	303b2935 	eorccs	r2, r11, r5, lsr r9
  900490:	30303030 	eorccs	r3, r0, r0, lsr r0
  900494:	30303030 	eorccs	r3, r0, r0, lsr r0
  900498:	30303030 	eorccs	r3, r0, r0, lsr r0
  90049c:	3330303b 	teqcc	r0, #59	; 0x3b
  9004a0:	37373737 	undefined
  9004a4:	37373737 	undefined
  9004a8:	003b3737 	eoreqs	r3, r11, r7, lsr r7
  9004ac:	676e6f6c 	strvsb	r6, [lr, -r12, ror #30]!
  9004b0:	6e6f6c20 	cdpvs	12, 6, cr6, cr15, cr0, {1}
  9004b4:	6e692067 	cdpvs	0, 6, cr2, cr9, cr7, {3}
  9004b8:	28743a74 	ldmcsda	r4!, {r2, r4, r5, r6, r9, r11, r12, sp}^
  9004bc:	29362c30 	ldmcsdb	r6!, {r4, r5, r10, r11, sp}
  9004c0:	3673403d 	undefined
  9004c4:	28723b34 	ldmcsda	r2!, {r2, r4, r5, r8, r9, r11, r12, sp}^
  9004c8:	29362c30 	ldmcsdb	r6!, {r4, r5, r10, r11, sp}
  9004cc:	3031303b 	eorccs	r3, r1, r11, lsr r0
  9004d0:	30303030 	eorccs	r3, r0, r0, lsr r0
  9004d4:	30303030 	eorccs	r3, r0, r0, lsr r0
  9004d8:	30303030 	eorccs	r3, r0, r0, lsr r0
  9004dc:	30303030 	eorccs	r3, r0, r0, lsr r0
  9004e0:	30303030 	eorccs	r3, r0, r0, lsr r0
  9004e4:	3737303b 	undefined
  9004e8:	37373737 	undefined
  9004ec:	37373737 	undefined
  9004f0:	37373737 	undefined
  9004f4:	37373737 	undefined
  9004f8:	3b373737 	blcc	16ce1dc <__bss_end+0xdba870>
  9004fc:	6e6f6c00 	cdpvs	12, 6, cr6, cr15, cr0, {0}
  900500:	6f6c2067 	swivs	0x006c2067
  900504:	7520676e 	strvc	r6, [r0, -#1902]!
  900508:	6769736e 	strvsb	r7, [r9, -lr, ror #6]!
  90050c:	2064656e 	rsbcs	r6, r4, lr, ror #10
  900510:	3a746e69 	bcc	261bebc <__bss_end+0x1d08550>
  900514:	2c302874 	ldccs	8, cr2, [r0], -#464
  900518:	403d2937 	eormis	r2, sp, r7, lsr r9
  90051c:	3b343673 	blcc	160def0 <__bss_end+0xcfa584>
  900520:	2c302872 	ldccs	8, cr2, [r0], -#456
  900524:	303b2937 	eorccs	r2, r11, r7, lsr r9
  900528:	30303030 	eorccs	r3, r0, r0, lsr r0
  90052c:	30303030 	eorccs	r3, r0, r0, lsr r0
  900530:	30303030 	eorccs	r3, r0, r0, lsr r0
  900534:	3731303b 	undefined
  900538:	37373737 	undefined
  90053c:	37373737 	undefined
  900540:	37373737 	undefined
  900544:	37373737 	undefined
  900548:	37373737 	undefined
  90054c:	6873003b 	ldmvsda	r3!, {r0, r1, r3, r4, r5}^
  900550:	2074726f 	rsbcss	r7, r4, pc, ror #4
  900554:	3a746e69 	bcc	261bf00 <__bss_end+0x1d08594>
  900558:	2c302874 	ldccs	8, cr2, [r0], -#464
  90055c:	403d2938 	eormis	r2, sp, r8, lsr r9
  900560:	3b363173 	blcc	168cb34 <__bss_end+0xd791c8>
  900564:	2c302872 	ldccs	8, cr2, [r0], -#456
  900568:	2d3b2938 	ldccs	9, cr2, [r11, -#224]!
  90056c:	36373233 	undefined
  900570:	32333b38 	eorccs	r3, r3, #57344	; 0xe000
  900574:	3b373637 	blcc	16cde58 <__bss_end+0xdba4ec>
  900578:	6f687300 	swivs	0x00687300
  90057c:	75207472 	strvc	r7, [r0, -#1138]!
  900580:	6769736e 	strvsb	r7, [r9, -lr, ror #6]!
  900584:	2064656e 	rsbcs	r6, r4, lr, ror #10
  900588:	3a746e69 	bcc	261bf34 <__bss_end+0x1d085c8>
  90058c:	2c302874 	ldccs	8, cr2, [r0], -#464
  900590:	403d2939 	eormis	r2, sp, r9, lsr r9
  900594:	3b363173 	blcc	168cb68 <__bss_end+0xd791fc>
  900598:	2c302872 	ldccs	8, cr2, [r0], -#456
  90059c:	303b2939 	eorccs	r2, r11, r9, lsr r9
  9005a0:	3535363b 	ldrcc	r3, [r5, -#1595]!
  9005a4:	003b3533 	eoreqs	r3, r11, r3, lsr r5
  9005a8:	6e676973 	mcrvs	9, 3, r6, cr7, cr3, {3}
  9005ac:	63206465 	teqvs	r0, #1694498816	; 0x65000000
  9005b0:	3a726168 	bcc	2598b58 <__bss_end+0x1c851ec>
  9005b4:	2c302874 	ldccs	8, cr2, [r0], -#464
  9005b8:	3d293031 	stccc	0, cr3, [r9, -#196]!
  9005bc:	3b387340 	blcc	171d2c4 <__bss_end+0xe09958>
  9005c0:	2c302872 	ldccs	8, cr2, [r0], -#456
  9005c4:	3b293031 	blcc	134c690 <__bss_end+0xa38d24>
  9005c8:	3832312d 	ldmccda	r2!, {r0, r2, r3, r5, r8, r12, sp}
  9005cc:	3732313b 	undefined
  9005d0:	6e75003b 	mrcvs	0, 3, r0, cr5, cr11, {1}
  9005d4:	6e676973 	mcrvs	9, 3, r6, cr7, cr3, {3}
  9005d8:	63206465 	teqvs	r0, #1694498816	; 0x65000000
  9005dc:	3a726168 	bcc	2598b84 <__bss_end+0x1c85218>
  9005e0:	2c302874 	ldccs	8, cr2, [r0], -#464
  9005e4:	3d293131 	stfccs	f3, [r9, -#196]!
  9005e8:	3b387340 	blcc	171d2f0 <__bss_end+0xe09984>
  9005ec:	2c302872 	ldccs	8, cr2, [r0], -#456
  9005f0:	3b293131 	blcc	134cabc <__bss_end+0xa39150>
  9005f4:	35323b30 	ldrcc	r3, [r2, -#2864]!
  9005f8:	66003b35 	undefined
  9005fc:	74616f6c 	strvcbt	r6, [r1], -#3948
  900600:	3028743a 	eorcc	r7, r8, r10, lsr r4
  900604:	2932312c 	ldmcsdb	r2!, {r2, r3, r5, r8, r12, sp}
  900608:	3028723d 	eorcc	r7, r8, sp, lsr r2
  90060c:	3b29312c 	blcc	134cac4 <__bss_end+0xa39158>
  900610:	3b303b34 	blcc	150f2e8 <__bss_end+0xbfb97c>
  900614:	756f6400 	strvcb	r6, [pc, #fffffc00]!	; 90021c <L_STACK_UNTOUCHED_MAGIC+0x128>
  900618:	3a656c62 	bcc	225b7a8 <__bss_end+0x1947e3c>
  90061c:	2c302874 	ldccs	8, cr2, [r0], -#464
  900620:	3d293331 	stccc	3, cr3, [r9, -#196]!
  900624:	2c302872 	ldccs	8, cr2, [r0], -#456
  900628:	383b2931 	ldmccda	r11!, {r0, r4, r5, r8, r11, sp}
  90062c:	003b303b 	eoreqs	r3, r11, r11, lsr r0
  900630:	676e6f6c 	strvsb	r6, [lr, -r12, ror #30]!
  900634:	756f6420 	strvcb	r6, [pc, #fffffbe0]!	; 90021c <L_STACK_UNTOUCHED_MAGIC+0x128>
  900638:	3a656c62 	bcc	225b7c8 <__bss_end+0x1947e5c>
  90063c:	2c302874 	ldccs	8, cr2, [r0], -#464
  900640:	3d293431 	stccc	4, cr3, [r9, -#196]!
  900644:	2c302872 	ldccs	8, cr2, [r0], -#456
  900648:	383b2931 	ldmccda	r11!, {r0, r4, r5, r8, r11, sp}
  90064c:	003b303b 	eoreqs	r3, r11, r11, lsr r0
  900650:	706d6f63 	rsbvc	r6, sp, r3, ror #30
  900654:	2078656c 	rsbcss	r6, r8, r12, ror #10
  900658:	3a746e69 	bcc	261c004 <__bss_end+0x1d08698>
  90065c:	2c302874 	ldccs	8, cr2, [r0], -#464
  900660:	3d293531 	stccc	5, cr3, [r9, -#196]!
  900664:	65723873 	ldrvsb	r3, [r2, -#2163]!
  900668:	283a6c61 	ldmcsda	r10!, {r0, r5, r6, r10, r11, sp, lr}
  90066c:	29312c30 	ldmcsdb	r1!, {r4, r5, r10, r11, sp}
  900670:	332c302c 	teqcc	r12, #44	; 0x2c
  900674:	6d693b32 	stcvsl	11, cr3, [r9, -#200]!
  900678:	283a6761 	ldmcsda	r10!, {r0, r5, r6, r8, r9, r10, sp, lr}
  90067c:	29312c30 	ldmcsdb	r1!, {r4, r5, r10, r11, sp}
  900680:	2c32332c 	ldccs	3, cr3, [r2], -#176
  900684:	3b3b3233 	blcc	17ccf58 <__bss_end+0xeb95ec>
  900688:	6d6f6300 	stcvsl	3, cr6, [pc]
  90068c:	78656c70 	stmvcda	r5!, {r4, r5, r6, r10, r11, sp, lr}^
  900690:	6f6c6620 	swivs	0x006c6620
  900694:	743a7461 	ldrvct	r7, [r10], -#1121
  900698:	312c3028 	teqcc	r12, r8, lsr #32
  90069c:	723d2936 	eorvcs	r2, sp, #884736	; 0xd8000
  9006a0:	312c3028 	teqcc	r12, r8, lsr #32
  9006a4:	343b2936 	ldrcct	r2, [r11], -#2358
  9006a8:	003b303b 	eoreqs	r3, r11, r11, lsr r0
  9006ac:	706d6f63 	rsbvc	r6, sp, r3, ror #30
  9006b0:	2078656c 	rsbcss	r6, r8, r12, ror #10
  9006b4:	62756f64 	rsbvss	r6, r5, #400	; 0x190
  9006b8:	743a656c 	ldrvct	r6, [r10], -#1388
  9006bc:	312c3028 	teqcc	r12, r8, lsr #32
  9006c0:	723d2937 	eorvcs	r2, sp, #901120	; 0xdc000
  9006c4:	312c3028 	teqcc	r12, r8, lsr #32
  9006c8:	383b2937 	ldmccda	r11!, {r0, r1, r2, r4, r5, r8, r11, sp}
  9006cc:	003b303b 	eoreqs	r3, r11, r11, lsr r0
  9006d0:	706d6f63 	rsbvc	r6, sp, r3, ror #30
  9006d4:	2078656c 	rsbcss	r6, r8, r12, ror #10
  9006d8:	676e6f6c 	strvsb	r6, [lr, -r12, ror #30]!
  9006dc:	756f6420 	strvcb	r6, [pc, #fffffbe0]!	; 9002c4 <L_STACK_UNTOUCHED_MAGIC+0x1d0>
  9006e0:	3a656c62 	bcc	225b870 <__bss_end+0x1947f04>
  9006e4:	2c302874 	ldccs	8, cr2, [r0], -#464
  9006e8:	3d293831 	stccc	8, cr3, [r9, -#196]!
  9006ec:	2c302872 	ldccs	8, cr2, [r0], -#456
  9006f0:	3b293831 	blcc	134e7bc <__bss_end+0xa3ae50>
  9006f4:	3b303b38 	blcc	150f3dc <__bss_end+0xbfba70>
  9006f8:	696f7600 	stmvsdb	pc!, {r9, r10, r12, sp, lr}^
  9006fc:	28743a64 	ldmcsda	r4!, {r2, r5, r6, r9, r11, r12, sp}^
  900700:	39312c30 	ldmccdb	r1!, {r4, r5, r10, r11, sp}
  900704:	30283d29 	eorcc	r3, r8, r9, lsr #26
  900708:	2939312c 	ldmcsdb	r9!, {r2, r3, r5, r8, r12, sp}
  90070c:	625f5f00 	subvss	r5, pc, #0	; 0x0
  900710:	746c6975 	strvcbt	r6, [r12], -#2421
  900714:	765f6e69 	ldrvcb	r6, [pc], -r9, ror #28
  900718:	696c5f61 	stmvsdb	r12!, {r0, r5, r6, r8, r9, r10, r11, r12, lr}^
  90071c:	743a7473 	ldrvct	r7, [r10], -#1139
  900720:	322c3028 	eorcc	r3, r12, #40	; 0x28
  900724:	2a3d2930 	bcs	184abec <__bss_end+0xf37280>
  900728:	312c3028 	teqcc	r12, r8, lsr #32
  90072c:	69002939 	stmvsdb	r0, {r0, r3, r4, r5, r8, r11, sp}
  900730:	00682e6f 	rsbeq	r2, r8, pc, ror #28
  900734:	636d656d 	cmnvs	sp, #457179136	; 0x1b400000
  900738:	69666e6f 	stmvsdb	r6!, {r0, r1, r2, r3, r5, r6, r9, r10, r11, sp, lr}^
  90073c:	00682e67 	rsbeq	r2, r8, r7, ror #28
  900740:	2e756d70 	mrccs	13, 3, r6, cr5, cr0, {3}
  900744:	3a200068 	bcc	11008ec <__bss_end+0x7ecf80>
  900748:	2c332854 	ldccs	8, cr2, [r3], -#336
  90074c:	653d2931 	ldrvs	r2, [sp, -#2353]!
  900750:	454b4e4f 	strmib	r4, [r11, -#3663]
  900754:	45445f59 	strmib	r5, [r4, -#3929]
  900758:	54434554 	strplb	r4, [r3], -#1364
  90075c:	4f2c313a 	swimi	0x002c313a
  900760:	59454b4e 	stmpldb	r5, {r1, r2, r3, r6, r8, r9, r11, lr}^
  900764:	445f5331 	ldrmib	r5, [pc], #331	; 90076c <L_STACK_UNTOUCHED_MAGIC+0x678>
  900768:	43455445 	cmpmi	r5, #1157627904	; 0x45000000
  90076c:	2c323a54 	ldccs	10, cr3, [r2], -#336
  900770:	4f545845 	swimi	0x00545845
  900774:	445f464e 	ldrmib	r4, [pc], #64e	; 90077c <L_STACK_UNTOUCHED_MAGIC+0x688>
  900778:	43455445 	cmpmi	r5, #1157627904	; 0x45000000
  90077c:	2c333a54 	ldccs	10, cr3, [r3], -#336
  900780:	52414c41 	subpl	r4, r1, #16640	; 0x4100
  900784:	45445f4d 	strmib	r5, [r4, -#3917]
  900788:	54434554 	strplb	r4, [r3], -#1364
  90078c:	432c343a 	teqmi	r12, #973078528	; 0x3a000000
  900790:	4e494748 	cdpmi	7, 4, cr4, cr9, cr8, {2}
  900794:	45445f53 	strmib	r5, [r4, -#3923]
  900798:	54434554 	strplb	r4, [r3], -#1364
  90079c:	432c353a 	teqmi	r12, #243269632	; 0xe800000
  9007a0:	4d524748 	ldcmil	7, cr4, [r2, -#288]
  9007a4:	5445445f 	strplb	r4, [r5], -#1119
  9007a8:	3a544345 	bcc	1e114c4 <__bss_end+0x14fdb58>
  9007ac:	44412c36 	strmib	r2, [r1], -#3126
  9007b0:	41455243 	cmpmi	r5, r3, asr #4
  9007b4:	445f5944 	ldrmib	r5, [pc], #944	; 9007bc <L_STACK_UNTOUCHED_MAGIC+0x6c8>
  9007b8:	43455445 	cmpmi	r5, #1157627904	; 0x45000000
  9007bc:	2c373a54 	ldccs	10, cr3, [r7], -#336
  9007c0:	7475003b 	ldrvcbt	r0, [r5], -#59
  9007c4:	682e6c69 	stmvsda	lr!, {r0, r3, r5, r6, r10, r11, sp, lr}
  9007c8:	63326900 	teqvs	r2, #0	; 0x0
  9007cc:	2000682e 	andcs	r6, r0, lr, lsr #16
  9007d0:	3528543a 	strcc	r5, [r8, -#1082]!
  9007d4:	3d29312c 	stfccs	f3, [r9, -#176]!