3

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

  9010d8:	29342c30 	ldmcsdb	r4!, {r4, r5, r10, r11, sp}
  9010dc:	72617000 	rsbvc	r7, r1, #0	; 0x0
  9010e0:	735f6d61 	cmpvc	pc, #6208	; 0x1840
  9010e4:	63757274 	cmnvs	r5, #1073741831	; 0x40000007
  9010e8:	28543a74 	ldmcsda	r4, {r2, r4, r5, r6, r9, r11, r12, sp}^
  9010ec:	342c3531 	strcct	r3, [r12], -#1329
  9010f0:	32733d29 	rsbccs	r3, r3, #2624	; 0xa40
  9010f4:	75343033 	ldrvc	r3, [r4, -#51]!
  9010f8:	31283a31 	teqcc	r8, r1, lsr r10
  9010fc:	29352c35 	ldmcsdb	r5!, {r0, r2, r4, r5, r10, r11, sp}
  901100:	3532753d 	ldrcc	r7, [r2, -#1341]!
  901104:	283a7336 	ldmcsda	r10!, {r1, r2, r4, r5, r8, r9, r12, sp, lr}
  901108:	362c3531 	undefined
  90110c:	39733d29 	ldmccdb	r3!, {r0, r3, r5, r8, r10, r11, r12, sp}^
  901110:	67617032 	undefined
  901114:	69735f65 	ldmvsdb	r3!, {r0, r2, r5, r6, r8, r9, r10, r11, r12, lr}^
  901118:	283a657a 	ldmcsda	r10!, {r1, r3, r4, r5, r6, r8, r10, sp, lr}
  90111c:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  901120:	332c302c 	teqcc	r12, #44	; 0x2c
  901124:	726e3b32 	rsbvc	r3, lr, #51200	; 0xc800
  901128:	6761705f 	undefined
  90112c:	283a7365 	ldmcsda	r10!, {r0, r2, r5, r6, r8, r9, r12, sp, lr}
  901130:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  901134:	2c32332c 	ldccs	3, cr3, [r2], -#176
  901138:	723b3233 	eorvcs	r3, r11, #805306371	; 0x30000003
  90113c:	69646d61 	stmvsdb	r4!, {r0, r5, r6, r8, r10, r11, sp, lr}^
  901140:	735f6b73 	cmpvc	pc, #117760	; 0x1cc00
  901144:	3a657a69 	bcc	225faf0 <__bss_end+0x194c294>
  901148:	352c3028 	strcc	r3, [r12, -#40]!
  90114c:	34362c29 	ldrcct	r2, [r6], -#3113
  901150:	3b32332c 	blcc	158de08 <__bss_end+0xc7a5ac>
  901154:	67616c66 	strvsb	r6, [r1, -r6, ror #24]!
  901158:	30283a73 	eorcc	r3, r8, r3, ror r10
  90115c:	2c29352c 	stccs	5, cr3, [r9], -#176
  901160:	332c3639 	teqcc	r12, #59768832	; 0x3900000
  901164:	6f723b32 	swivs	0x00723b32
  901168:	6564746f 	strvsb	r7, [r4, -#1135]!
  90116c:	30283a76 	eorcc	r3, r8, r6, ror r10
  901170:	2c29352c 	stccs	5, cr3, [r9], -#176
  901174:	2c383231 	lfmcs	f3, 4, [r8], -#196
  901178:	763b3233 	undefined
  90117c:	6f656469 	swivs	0x00656469
  901180:	6d756e5f 	ldcvsl	14, cr6, [r5, -#380]!
  901184:	6c6f635f 	stcvsl	3, cr6, [pc], -#380
  901188:	30283a73 	eorcc	r3, r8, r3, ror r10
  90118c:	2c29352c 	stccs	5, cr3, [r9], -#176
  901190:	2c303631 	ldccs	6, cr3, [r0], -#196
  901194:	763b3233 	undefined
  901198:	6f656469 	swivs	0x00656469
  90119c:	6d756e5f 	ldcvsl	14, cr6, [r5, -#380]!
  9011a0:	776f725f 	undefined
  9011a4:	30283a73 	eorcc	r3, r8, r3, ror r10
  9011a8:	2c29352c 	stccs	5, cr3, [r9], -#176
  9011ac:	2c323931 	ldccs	9, cr3, [r2], -#196
  9011b0:	763b3233 	undefined
  9011b4:	6f656469 	swivs	0x00656469
  9011b8:	283a785f 	ldmcsda	r10!, {r0, r1, r2, r3, r4, r6, r11, r12, sp, lr}
  9011bc:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  9011c0:	3432322c 	ldrcct	r3, [r2], -#556
  9011c4:	3b32332c 	blcc	158de7c <__bss_end+0xc7a620>
  9011c8:	65646976 	strvsb	r6, [r4, -#2422]!
  9011cc:	3a795f6f 	bcc	2758f90 <__bss_end+0x1e45734>
  9011d0:	352c3028 	strcc	r3, [r12, -#40]!
  9011d4:	35322c29 	ldrcc	r2, [r2, -#3113]!
  9011d8:	32332c36 	eorccs	r2, r3, #13824	; 0x3600
  9011dc:	6d656d3b 	stcvsl	13, cr6, [r5, -#236]!
  9011e0:	6f635f63 	swivs	0x00635f63
  9011e4:	6f72746e 	swivs	0x0072746e
  9011e8:	65725f6c 	ldrvsb	r5, [r2, -#3948]!
  9011ec:	30283a67 	eorcc	r3, r8, r7, ror #20
  9011f0:	2c29352c 	stccs	5, cr3, [r9], -#176
  9011f4:	2c383832 	ldccs	8, cr3, [r8], -#200
  9011f8:	733b3233 	teqvc	r11, #805306371	; 0x30000003
  9011fc:	646e756f 	strvsbt	r7, [lr], -#1391
  901200:	61666564 	cmnvs	r6, r4, ror #10
  901204:	3a746c75 	bcc	261c3e0 <__bss_end+0x1d08b84>
  901208:	312c3028 	teqcc	r12, r8, lsr #32
  90120c:	332c2931 	teqcc	r12, #802816	; 0xc4000
  901210:	382c3032 	stmccda	r12!, {r1, r4, r5, r12, sp}
  901214:	6664613b 	undefined
  901218:	69726473 	ldmvsdb	r2!, {r0, r1, r4, r5, r6, r10, sp, lr}^
  90121c:	3a736576 	bcc	25da7fc <__bss_end+0x1cc6fa0>
  901220:	312c3028 	teqcc	r12, r8, lsr #32
  901224:	332c2931 	teqcc	r12, #802816	; 0xc4000
  901228:	382c3832 	stmccda	r12!, {r1, r4, r5, r11, r12, sp}
  90122c:	7479623b 	ldrvcbt	r6, [r9], -#571
  901230:	705f7365 	subvcs	r7, pc, r5, ror #6
  901234:	635f7265 	cmpvs	pc, #1342177286	; 0x50000006
  901238:	5f726168 	swipl	0x00726168
  90123c:	30283a68 	eorcc	r3, r8, r8, ror #20
  901240:	2931312c 	ldmcsdb	r1!, {r2, r3, r5, r8, r12, sp}
  901244:	3633332c 	ldrcct	r3, [r3], -r12, lsr #6
  901248:	623b382c 	eorvss	r3, r11, #2883584	; 0x2c0000
  90124c:	73657479 	cmnvc	r5, #2030043136	; 0x79000000
  901250:	7265705f 	rsbvc	r7, r5, #95	; 0x5f
  901254:	6168635f 	cmnvs	r8, pc, asr r3
  901258:	3a765f72 	bcc	2699028 <__bss_end+0x1d857cc>
  90125c:	312c3028 	teqcc	r12, r8, lsr #32
  901260:	332c2931 	teqcc	r12, #802816	; 0xc4000
  901264:	382c3434 	stmccda	r12!, {r2, r4, r5, r10, r12, sp}
  901268:	6761703b 	undefined
  90126c:	695f7365 	ldmvsdb	pc, {r0, r2, r5, r6, r8, r9, r12, sp, lr}^
  901270:	61625f6e 	cmnvs	r2, lr, ror #30
  901274:	283a6b6e 	ldmcsda	r10!, {r1, r2, r3, r5, r6, r8, r9, r11, sp, lr}
  901278:	372c3531 	undefined
  90127c:	72613d29 	rsbvc	r3, r1, #2624	; 0xa40
  901280:	312c3028 	teqcc	r12, r8, lsr #32
  901284:	3b303b29 	blcc	150ff30 <__bss_end+0xbfc6d4>
  901288:	30283b33 	eorcc	r3, r8, r3, lsr r11
  90128c:	2c29352c 	stccs	5, cr3, [r9], -#176
  901290:	2c323533 	ldccs	5, cr3, [r2], -#204
  901294:	3b383231 	blcc	170db60 <__bss_end+0xdfa304>
  901298:	65676170 	strvsb	r6, [r7, -#368]!
  90129c:	6e695f73 	mcrvs	15, 3, r5, cr9, cr3, {3}
  9012a0:	6172765f 	cmnvs	r2, pc, asr r6
  9012a4:	30283a6d 	eorcc	r3, r8, sp, ror #20
  9012a8:	2c29352c 	stccs	5, cr3, [r9], -#176
  9012ac:	2c303834 	ldccs	8, cr3, [r0], -#208
  9012b0:	693b3233 	ldmvsdb	r11!, {r0, r1, r4, r5, r9, r12, sp}
  9012b4:	7274696e 	rsbvcs	r6, r4, #1802240	; 0x1b8000
  9012b8:	74735f64 	ldrvcbt	r5, [r3], -#3940
  9012bc:	3a747261 	bcc	261dc48 <__bss_end+0x1d0a3ec>
  9012c0:	352c3028 	strcc	r3, [r12, -#40]!
  9012c4:	31352c29 	teqcc	r5, r9, lsr #24
  9012c8:	32332c32 	eorccs	r2, r3, #12800	; 0x3200
  9012cc:	696e693b 	stmvsdb	lr!, {r0, r1, r3, r4, r5, r8, r11, sp, lr}^
  9012d0:	5f647274 	swipl	0x00647274
  9012d4:	657a6973 	ldrvsb	r6, [r10, -#2419]!
  9012d8:	2c30283a 	ldccs	8, cr2, [r0], -#232
  9012dc:	352c2935 	strcc	r2, [r12, -#2357]!
  9012e0:	332c3434 	teqcc	r12, #872415232	; 0x34000000
  9012e4:	64723b32 	ldrvsbt	r3, [r2], -#2866
  9012e8:	6174735f 	cmnvs	r4, pc, asr r3
  9012ec:	283a7472 	ldmcsda	r10!, {r1, r4, r5, r6, r10, r12, sp, lr}
  9012f0:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  9012f4:	3637352c 	ldrcct	r3, [r7], -r12, lsr #10
  9012f8:	3b32332c 	blcc	158dfb0 <__bss_end+0xc7a754>
  9012fc:	74737973 	ldrvcbt	r7, [r3], -#2419
  901300:	725f6d65 	subvcs	r6, pc, #6464	; 0x1940
  901304:	283a7665 	ldmcsda	r10!, {r0, r2, r5, r6, r9, r10, r12, sp, lr}
  901308:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  90130c:	3830362c 	ldmccda	r0!, {r2, r3, r5, r9, r10, r12, sp}
  901310:	3b32332c 	blcc	158dfc8 <__bss_end+0xc7a76c>
  901314:	74737973 	ldrvcbt	r7, [r3], -#2419
  901318:	735f6d65 	cmpvc	pc, #6464	; 0x1940
  90131c:	61697265 	cmnvs	r9, r5, ror #4
  901320:	6f6c5f6c 	swivs	0x006c5f6c
  901324:	30283a77 	eorcc	r3, r8, r7, ror r10
  901328:	2c29352c 	stccs	5, cr3, [r9], -#176
  90132c:	2c303436 	ldccs	4, cr3, [r0], -#216
  901330:	733b3233 	teqvc	r11, #805306371	; 0x30000003
  901334:	65747379 	ldrvsb	r7, [r4, -#889]!
  901338:	65735f6d 	ldrvsb	r5, [r3, -#3949]!
  90133c:	6c616972 	stcvsl	9, cr6, [r1], -#456
  901340:	6769685f 	undefined
  901344:	30283a68 	eorcc	r3, r8, r8, ror #20
  901348:	2c29352c 	stccs	5, cr3, [r9], -#176
  90134c:	2c323736 	ldccs	7, cr3, [r2], -#216
  901350:	6d3b3233 	lfmvs	f3, 4, [r11, -#204]!
  901354:	665f6d65 	ldrvsb	r6, [pc], -r5, ror #26
  901358:	5f6b6c63 	swipl	0x006b6c63
  90135c:	38323132 	ldmccda	r2!, {r1, r4, r5, r8, r12, sp}
  901360:	30283a35 	eorcc	r3, r8, r5, lsr r10
  901364:	2c29352c 	stccs	5, cr3, [r9], -#176
  901368:	2c343037 	ldccs	0, cr3, [r4], -#220
  90136c:	3b3b3233 	blcc	17cdc40 <__bss_end+0xeba3e4>
  901370:	372c302c 	strcc	r3, [r12, -r12, lsr #32]!
  901374:	753b3633 	ldrvc	r3, [r11, -#1587]!
  901378:	6573756e 	ldrvsb	r7, [r3, -#1390]!
  90137c:	31283a64 	teqcc	r8, r4, ror #20
  901380:	29382c35 	ldmcsdb	r8!, {r0, r2, r4, r5, r10, r11, sp}
  901384:	2872613d 	ldmcsda	r2!, {r0, r2, r3, r4, r5, r8, sp, lr}^
  901388:	29312c30 	ldmcsdb	r1!, {r4, r5, r10, r11, sp}
  90138c:	323b303b 	eorccs	r3, r11, #59	; 0x3b
  901390:	283b3535 	ldmcsda	r11!, {r0, r2, r4, r5, r8, r10, r12, sp}
  901394:	29322c30 	ldmcsdb	r2!, {r4, r5, r10, r11, sp}
  901398:	322c302c 	eorcc	r3, r12, #44	; 0x2c
  90139c:	3b383430 	blcc	170e464 <__bss_end+0xdfac08>
  9013a0:	2c302c3b 	ldccs	12, cr2, [r0], -#236
  9013a4:	38343032 	ldmccda	r4!, {r1, r4, r5, r12, sp}
  9013a8:	3a32753b 	bcc	159e89c <__bss_end+0xc8b040>
  9013ac:	2c353128 	ldfcss	f3, [r5], -#160
  9013b0:	753d2939 	ldrvc	r2, [sp, -#2361]!
  9013b4:	34323031 	ldrcct	r3, [r2], -#49
  9013b8:	68746170 	ldmvsda	r4!, {r4, r5, r6, r8, sp, lr}^
  9013bc:	31283a73 	teqcc	r8, r3, ror r10
  9013c0:	30312c35 	eorccs	r2, r1, r5, lsr r12
  9013c4:	72613d29 	rsbvc	r3, r1, #2624	; 0xa40
  9013c8:	312c3028 	teqcc	r12, r8, lsr #32
  9013cc:	3b303b29 	blcc	1510078 <__bss_end+0xbfc81c>
  9013d0:	31283b37 	teqcc	r8, r7, lsr r11
  9013d4:	31312c35 	teqcc	r1, r5, lsr r12
  9013d8:	72613d29 	rsbvc	r3, r1, #2624	; 0xa40
  9013dc:	312c3028 	teqcc	r12, r8, lsr #32
  9013e0:	3b303b29 	blcc	151008c <__bss_end+0xbfc830>
  9013e4:	3b373231 	blcc	16cdcb0 <__bss_end+0xdba454>
  9013e8:	322c3028 	eorcc	r3, r12, #40	; 0x28
  9013ec:	2c302c29 	ldccs	12, cr2, [r0], -#164
  9013f0:	32393138 	eorccs	r3, r9, #14	; 0xe
  9013f4:	283a733b 	ldmcsda	r10!, {r0, r1, r3, r4, r5, r8, r9, r12, sp, lr}
  9013f8:	312c3531 	teqcc	r12, r1, lsr r5
  9013fc:	733d2932 	teqvc	sp, #819200	; 0xc8000
  901400:	34323031 	ldrcct	r3, [r2], -#49
  901404:	6967616d 	stmvsdb	r7!, {r0, r2, r3, r5, r6, r8, sp, lr}^
  901408:	30283a63 	eorcc	r3, r8, r3, ror #20
  90140c:	2c29352c 	stccs	5, cr3, [r9], -#176
  901410:	32332c30 	eorccs	r2, r3, #12288	; 0x3000
  901414:	283a6e3b 	ldmcsda	r10!, {r0, r1, r3, r4, r5, r9, r10, r11, sp, lr}
  901418:	312c3531 	teqcc	r12, r1, lsr r5
  90141c:	613d2933 	teqvs	sp, r3, lsr r9
  901420:	2c302872 	ldccs	8, cr2, [r0], -#456
  901424:	303b2931 	eorccs	r2, r11, r1, lsr r9
  901428:	3130313b 	teqcc	r0, r11, lsr r1
  90142c:	30283b39 	eorcc	r3, r8, r9, lsr r11
  901430:	2c29322c 	sfmcs	f3, 4, [r9], -#176
  901434:	382c3233 	stmccda	r12!, {r0, r1, r4, r5, r9, r12, sp}
  901438:	3b303631 	blcc	150ed04 <__bss_end+0xbfb4a8>
  90143c:	2c302c3b 	ldccs	12, cr2, [r0], -#236
  901440:	32393138 	eorccs	r3, r9, #14	; 0xe
  901444:	322c3b3b 	eorcc	r3, r12, #60416	; 0xec00
  901448:	2c383430 	ldccs	4, cr3, [r8], -#192
  90144c:	32393138 	eorccs	r3, r9, #14	; 0xe
  901450:	6d6f633b 	stcvsl	3, cr6, [pc, -#236]!
  901454:	646e616d 	strvsbt	r6, [lr], -#365
  901458:	656e696c 	strvsb	r6, [lr, -#2412]!
  90145c:	3531283a 	ldrcc	r2, [r1, -#2106]!
  901460:	2934312c 	ldmcsdb	r4!, {r2, r3, r5, r8, r12, sp}
  901464:	2872613d 	ldmcsda	r2!, {r0, r2, r3, r4, r5, r8, sp, lr}^
  901468:	29312c30 	ldmcsdb	r1!, {r4, r5, r10, r11, sp}
  90146c:	313b303b 	teqcc	r11, r11, lsr r0
  901470:	3b333230 	blcc	15cdd38 <__bss_end+0xcba4dc>
  901474:	322c3028 	eorcc	r3, r12, #40	; 0x28
  901478:	30312c29 	eorccs	r2, r1, r9, lsr #24
  90147c:	2c303432 	ldccs	4, cr3, [r0], -#200
  901480:	32393138 	eorccs	r3, r9, #14	; 0xe
  901484:	74003b3b 	strvc	r3, [r0], -#2875
  901488:	685f6761 	ldmvsda	pc, {r0, r5, r6, r8, r9, r10, sp, lr}^
  90148c:	65646165 	strvsb	r6, [r4, -#357]!
  901490:	28543a72 	ldmcsda	r4, {r1, r4, r5, r6, r9, r11, r12, sp}^
  901494:	312c3531 	teqcc	r12, r1, lsr r5
  901498:	733d2935 	teqvc	sp, #868352	; 0xd4000
  90149c:	7a697338 	bvc	235e184 <__bss_end+0x1a4a928>
  9014a0:	31283a65 	teqcc	r8, r5, ror #20
  9014a4:	29332c35 	ldmcsdb	r3!, {r0, r2, r4, r5, r10, r11, sp}
  9014a8:	332c302c 	teqcc	r12, #44	; 0x2c
  9014ac:	61743b32 	cmnvs	r4, r2, lsr r11
  9014b0:	31283a67 	teqcc	r8, r7, ror #20
  9014b4:	29332c35 	ldmcsdb	r3!, {r0, r2, r4, r5, r10, r11, sp}
  9014b8:	2c32332c 	ldccs	3, cr3, [r2], -#176
  9014bc:	3b3b3233 	blcc	17cdd90 <__bss_end+0xeba534>
  9014c0:	67617400 	strvsb	r7, [r1, -r0, lsl #8]!
  9014c4:	726f635f 	rsbvc	r6, pc, #2080374785	; 0x7c000001
  9014c8:	28543a65 	ldmcsda	r4, {r0, r2, r5, r6, r9, r11, r12, sp}^
  9014cc:	312c3531 	teqcc	r12, r1, lsr r5
  9014d0:	733d2936 	teqvc	sp, #884736	; 0xd8000
  9014d4:	6c663231 	sfmvs	f3, 2, [r6], -#196
  9014d8:	3a736761 	bcc	25db264 <__bss_end+0x1cc7a08>
  9014dc:	2c353128 	ldfcss	f3, [r5], -#160
  9014e0:	302c2933 	eorcc	r2, r12, r3, lsr r9
  9014e4:	3b32332c 	blcc	158e19c <__bss_end+0xc7a940>
  9014e8:	65676170 	strvsb	r6, [r7, -#368]!
  9014ec:	657a6973 	ldrvsb	r6, [r10, -#2419]!
  9014f0:	3531283a 	ldrcc	r2, [r1, -#2106]!
  9014f4:	2c29332c 	stccs	3, cr3, [r9], -#176
  9014f8:	332c3233 	teqcc	r12, #805306371	; 0x30000003
  9014fc:	6f723b32 	swivs	0x00723b32
  901500:	6564746f 	strvsb	r7, [r4, -#1135]!
  901504:	31283a76 	teqcc	r8, r6, ror r10
  901508:	29332c35 	ldmcsdb	r3!, {r0, r2, r4, r5, r10, r11, sp}
  90150c:	2c34362c 	ldccs	6, cr3, [r4], -#176
  901510:	3b3b3233 	blcc	17cdde