2

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

  9010a8:	76677261 	strvcbt	r7, [r7], -r1, ror #4
  9010ac:	3028703a 	eorcc	r7, r8, r10, lsr r0
  9010b0:	2939322c 	ldmcsdb	r9!, {r2, r3, r5, r9, r12, sp}
  9010b4:	30282a3d 	eorcc	r2, r8, sp, lsr r10
  9010b8:	2931322c 	ldmcsdb	r1!, {r2, r3, r5, r9, r12, sp}
  9010bc:	646d6300 	strvsbt	r6, [sp], -#768
  9010c0:	3028473a 	eorcc	r4, r8, r10, lsr r7
  9010c4:	2930332c 	ldmcsdb	r0!, {r2, r3, r5, r8, r9, r12, sp}
  9010c8:	2872613d 	ldmcsda	r2!, {r0, r2, r3, r4, r5, r8, sp, lr}^
  9010cc:	29312c30 	ldmcsdb	r1!, {r4, r5, r10, r11, sp}
  9010d0:	393b303b 	ldmccdb	r11!, {r0, r1, r3, r4, r5, r12, sp}
  9010d4:	2c30283b 	ldccs	8, cr2, [r0], -#236
  9010d8:	00293131 	eoreq	r3, r9, r1, lsr r1
  9010dc:	6574656d 	ldrvsb	r6, [r4, -#1389]!
  9010e0:	696c5f72 	stmvsdb	r12!, {r1, r4, r5, r6, r8, r9, r10, r11, r12, lr}^
  9010e4:	6c5f656e 	ldcvsl	5, cr6, [pc], -#440
  9010e8:	533a6e65 	teqpl	r10, #1616	; 0x650
  9010ec:	312c3028 	teqcc	r12, r8, lsr #32
  9010f0:	49550029 	ldmmidb	r5, {r0, r3, r5}^
  9010f4:	646f6d5f 	strvsbt	r6, [pc], #d5f	; 9010fc <L_STACK_UNTOUCHED_MAGIC+0x1008>
  9010f8:	28533a65 	ldmcsda	r3, {r0, r2, r5, r6, r9, r11, r12, sp}^
  9010fc:	31312c30 	teqcc	r1, r0, lsr r12
  901100:	61700029 	cmnvs	r0, r9, lsr #32
  901104:	28533a72 	ldmcsda	r3, {r1, r4, r5, r6, r9, r11, r12, sp}^
  901108:	31332c30 	teqcc	r3, r0, lsr r12
  90110c:	282a3d29 	stmcsda	r10!, {r0, r3, r5, r8, r10, r11, r12, sp}
  901110:	29372c35 	ldmcsdb	r7!, {r0, r2, r4, r5, r10, r11, sp}
  901114:	6c746200 	lfmvs	f6, 2, [r4]
  901118:	705f7264 	subvcs	r7, pc, r4, ror #4
  90111c:	00632e69 	rsbeq	r2, r3, r9, ror #28
  901120:	2e74656e 	cdpcs	5, 7, cr6, cr4, cr14, {3}
  901124:	74650068 	strvcbt	r0, [r5], -#104
  901128:	2e726568 	cdpcs	5, 7, cr6, cr2, cr8, {3}
  90112c:	3a200068 	bcc	11012d4 <__bss_end+0x7eca78>
  901130:	2c372854 	ldccs	8, cr2, [r7], -#336
  901134:	653d2931 	ldrvs	r2, [sp, -#2353]!
  901138:	444e4553 	strmib	r4, [lr], -#1363
  90113c:	444e415f 	strmib	r4, [lr], -#351
  901140:	5445475f 	strplb	r4, [r5], -#1887
  901144:	5045525f 	subpl	r5, r5, pc, asr r2
  901148:	303a594c 	eorccs	r5, r10, r12, asr #18
  90114c:	4e45532c 	cdpmi	3, 4, cr5, cr5, cr12, {1}
  901150:	2c313a44 	ldccs	10, cr3, [r1], -#272
  901154:	56434552 	undefined
  901158:	462c323a 	undefined
  90115c:	4853554c 	ldmmida	r3, {r2, r3, r6, r8, r10, r12, lr}^
  901160:	3b2c333a 	blcc	140de50 <__bss_end+0xaf95f4>
  901164:	62757300 	rsbvss	r7, r5, #0	; 0x0
  901168:	5f74696d 	swipl	0x0074696d
  90116c:	65646f6d 	strvsb	r6, [r4, -#3949]!
  901170:	3728743a 	undefined
  901174:	3d29322c 	sfmcc	f3, 4, [r9, -#176]!
  901178:	312c3728 	teqcc	r12, r8, lsr #14
  90117c:	74650029 	strvcbt	r0, [r5], -#41
  901180:	5f726568 	swipl	0x00726568
  901184:	5f726468 	swipl	0x00726468
  901188:	28743a74 	ldmcsda	r4!, {r2, r4, r5, r6, r9, r11, r12, sp}^
  90118c:	29312c36 	ldmcsdb	r1!, {r1, r2, r4, r5, r10, r11, sp}
  901190:	2c36283d 	ldccs	8, cr2, [r6], -#244
  901194:	733d2932 	teqvc	sp, #819200	; 0xc8000
  901198:	65643431 	strvsb	r3, [r4, -#1073]!
  90119c:	615f7473 	cmpvs	pc, r3, ror r4
  9011a0:	3a726464 	bcc	259a338 <__bss_end+0x1c85adc>
  9011a4:	332c3628 	teqcc	r12, #41943040	; 0x2800000
  9011a8:	72613d29 	rsbvc	r3, r1, #2624	; 0xa40
  9011ac:	312c3028 	teqcc	r12, r8, lsr #32
  9011b0:	3b303b29 	blcc	150fe5c <__bss_end+0xbfb600>
  9011b4:	30283b35 	eorcc	r3, r8, r5, lsr r11
  9011b8:	2931312c 	ldmcsdb	r1!, {r2, r3, r5, r8, r12, sp}
  9011bc:	342c302c 	strcct	r3, [r12], -#44
  9011c0:	72733b38 	rsbvcs	r3, r3, #57344	; 0xe000
  9011c4:	64615f63 	strvsbt	r5, [r1], -#3939
  9011c8:	283a7264 	ldmcsda	r10!, {r2, r5, r6, r9, r12, sp, lr}
  9011cc:	29332c36 	ldmcsdb	r3!, {r1, r2, r4, r5, r10, r11, sp}
  9011d0:	2c38342c 	ldccs	4, cr3, [r8], -#176
  9011d4:	663b3834 	undefined
  9011d8:	656d6172 	strvsb	r6, [sp, -#370]!
  9011dc:	7079745f 	rsbvcs	r7, r9, pc, asr r4
  9011e0:	30283a65 	eorcc	r3, r8, r5, ror #20
  9011e4:	2c29392c 	stccs	9, cr3, [r9], -#176
  9011e8:	312c3639 	teqcc	r12, r9, lsr r6
  9011ec:	003b3b36 	eoreqs	r3, r11, r6, lsr r11
  9011f0:	685f7069 	ldmvsda	pc, {r0, r3, r5, r6, r12, sp, lr}^
  9011f4:	745f7264 	ldrvcb	r7, [pc], #264	; 9011fc <L_STACK_UNTOUCHED_MAGIC+0x1108>
  9011f8:	3628743a 	undefined
  9011fc:	3d29342c 	stccc	4, cr3, [r9, -#176]!
  901200:	352c3628 	strcc	r3, [r12, -#1576]!
  901204:	32733d29 	rsbccs	r3, r3, #2624	; 0xa40
  901208:	72657630 	rsbvc	r7, r5, #50331648	; 0x3000000
  90120c:	6c685f73 	stcvsl	15, cr5, [r8], -#460
  901210:	283a6e65 	ldmcsda	r10!, {r0, r2, r5, r6, r9, r10, r11, sp, lr}
  901214:	31312c30 	teqcc	r1, r0, lsr r12
  901218:	2c302c29 	ldccs	12, cr2, [r0], -#164
  90121c:	65733b38 	ldrvsb	r3, [r3, -#2872]!
  901220:	745f7672 	ldrvcb	r7, [pc], #672	; 901228 <L_STACK_UNTOUCHED_MAGIC+0x1134>
  901224:	3a657079 	bcc	225d410 <__bss_end+0x1948bb4>
  901228:	312c3028 	teqcc	r12, r8, lsr #32
  90122c:	382c2931 	stmccda	r12!, {r0, r4, r5, r8, r11, sp}
  901230:	743b382c 	ldrvct	r3, [r11], -#2092
  901234:	6c5f746f 	ldcvsl	4, cr7, [pc], -#444
  901238:	283a6e65 	ldmcsda	r10!, {r0, r2, r5, r6, r9, r10, r11, sp, lr}
  90123c:	29392c30 	ldmcsdb	r9!, {r4, r5, r10, r11, sp}
  901240:	2c36312c 	ldfcss	f3, [r6], -#176
  901244:	693b3631 	ldmvsdb	r11!, {r0, r4, r5, r9, r10, r12, sp}
  901248:	746e6564 	strvcbt	r6, [lr], -#1380
  90124c:	2c30283a 	ldccs	8, cr2, [r0], -#232
  901250:	332c2939 	teqcc	r12, #933888	; 0xe4000
  901254:	36312c32 	undefined
  901258:	616c663b 	cmnvs	r12, r11, lsr r6
  90125c:	665f7367 	ldrvsb	r7, [pc], -r7, ror #6
  901260:	6f676172 	swivs	0x00676172
  901264:	65736666 	ldrvsb	r6, [r3, -#1638]!
  901268:	30283a74 	eorcc	r3, r8, r4, ror r10
  90126c:	2c29392c 	stccs	9, cr3, [r9], -#176
  901270:	312c3834 	teqcc	r12, r4, lsr r8
  901274:	69743b36 	ldmvsdb	r4!, {r1, r2, r4, r5, r8, r9, r11, r12, sp}^
  901278:	6f74656d 	swivs	0x0074656d
  90127c:	6576696c 	ldrvsb	r6, [r6, -#2412]!
  901280:	2c30283a 	ldccs	8, cr2, [r0], -#232
  901284:	2c293131 	stfcss	f3, [r9], -#196
  901288:	382c3436 	stmccda	r12!, {r1, r2, r4, r5, r10, r12, sp}
  90128c:	6f72703b 	swivs	0x0072703b
  901290:	6f636f74 	swivs	0x00636f74
  901294:	30283a6c 	eorcc	r3, r8, r12, ror #20
  901298:	2931312c 	ldmcsdb	r1!, {r2, r3, r5, r8, r12, sp}
  90129c:	2c32372c 	ldccs	7, cr3, [r2], -#176
  9012a0:	64683b38 	strvsbt	r3, [r8], -#2872
  9012a4:	68635f72 	stmvsda	r3!, {r1, r4, r5, r6, r8, r9, r10, r11, r12, lr}^
  9012a8:	6d75736b 	ldcvsl	3, cr7, [r5, -#428]!
  9012ac:	2c30283a 	ldccs	8, cr2, [r0], -#232
  9012b0:	382c2939 	stmccda	r12!, {r0, r3, r4, r5, r8, r11, sp}
  9012b4:	36312c30 	undefined
  9012b8:	6372733b 	cmnvs	r2, #-335544320	; 0xec000000
  9012bc:	5f50495f 	swipl	0x0050495f
  9012c0:	72646461 	rsbvc	r6, r4, #1627389952	; 0x61000000
  9012c4:	2c30283a 	ldccs	8, cr2, [r0], -#232
  9012c8:	392c2935 	stmccdb	r12!, {r0, r2, r4, r5, r8, r11, sp}
  9012cc:	32332c36 	eorccs	r2, r3, #13824	; 0x3600
  9012d0:	7365643b 	cmnvc	r5, #989855744	; 0x3b000000
  9012d4:	50495f74 	subpl	r5, r9, r4, ror pc
  9012d8:	6464615f 	strvsbt	r6, [r4], -#351
  9012dc:	30283a72 	eorcc	r3, r8, r2, ror r10
  9012e0:	2c29352c 	stccs	5, cr3, [r9], -#176
  9012e4:	2c383231 	lfmcs	f3, 4, [r8], -#196
  9012e8:	3b3b3233 	blcc	17cdbbc <__bss_end+0xeb9360>
  9012ec:	70647500 	rsbvc	r7, r4, r0, lsl #10
  9012f0:	7264685f 	rsbvc	r6, r4, #6225920	; 0x5f0000
  9012f4:	743a745f 	ldrvct	r7, [r10], -#1119
  9012f8:	362c3628 	strcct	r3, [r12], -r8, lsr #12
  9012fc:	36283d29 	strcct	r3, [r8], -r9, lsr #26
  901300:	3d29372c 	stccc	7, cr3, [r9, -#176]!
  901304:	72733873 	rsbvcs	r3, r3, #7536640	; 0x730000
  901308:	6f705f63 	swivs	0x00705f63
  90130c:	283a7472 	ldmcsda	r10!, {r1, r4, r5, r6, r10, r12, sp, lr}
  901310:	29392c30 	ldmcsdb	r9!, {r4, r5, r10, r11, sp}
  901314:	312c302c 	teqcc	r12, r12, lsr #32
  901318:	65643b36 	strvsb	r3, [r4, -#2870]!
  90131c:	705f7473 	subvcs	r7, pc, r3, ror r4
  901320:	3a74726f 	bcc	261dce4 <__bss_end+0x1d09488>
  901324:	392c3028 	stmccdb	r12!, {r3, r5, r12, sp}
  901328:	36312c29 	ldrcct	r2, [r1], -r9, lsr #24
  90132c:	3b36312c 	blcc	168d7e4 <__bss_end+0xd78f88>
  901330:	5f746f74 	swipl	0x00746f74
  901334:	3a6e656c 	bcc	249a8ec <__bss_end+0x1b86090>
  901338:	392c3028 	stmccdb	r12!, {r3, r5, r12, sp}
  90133c:	32332c29 	eorccs	r2, r3, #10496	; 0x2900
  901340:	3b36312c 	blcc	168d7f8 <__bss_end+0xd78f9c>
  901344:	736b6863 	cmnvc	r11, #6488064	; 0x630000
  901348:	283a6d75 	ldmcsda	r10!, {r0, r2, r4, r5, r6, r8, r10, r11, sp, lr}
  90134c:	29392c30 	ldmcsdb	r9!, {r4, r5, r10, r11, sp}
  901350:	2c38342c 	ldccs	4, cr3, [r8], -#176
  901354:	3b3b3631 	blcc	17cec20 <__bss_end+0xeba3c4>
  901358:	74667400 	strvcbt	r7, [r6], -#1024
  90135c:	00682e70 	rsbeq	r2, r8, r0, ror lr
  901360:	63657273 	cmnvs	r5, #805306375	; 0x30000007
  901364:	7200682e 	andvc	r6, r0, #3014656	; 0x2e0000
  901368:	69627761 	stmvsdb	r2!, {r0, r5, r6, r8, r9, r10, r12, sp, lr}^
  90136c:	00682e6e 	rsbeq	r2, r8, lr, ror #28
  901370:	2e64736f 	cdpcs	3, 6, cr7, cr4, cr15, {3}
  901374:	65640068 	strvsb	r0, [r4, -#104]!
  901378:	706d6f63 	rsbvc	r6, sp, r3, ror #30
  90137c:	73736572 	cmnvc	r3, #478150656	; 0x1c800000
  901380:	6300682e 	tstvs	r0, #3014656	; 0x2e0000
  901384:	65686361 	strvsb	r6, [r8, -#865]!
  901388:	6c00682e 	stcvs	8, cr6, [r0], -#184
  90138c:	78756e69 	ldmvcda	r5!, {r0, r3, r5, r6, r9, r10, r11, sp, lr}^
  901390:	7500682e 	strvc	r6, [r0, -#2094]
  901394:	28743a38 	ldmcsda	r4!, {r3, r4, r5, r9, r11, r12, sp}^
  901398:	312c3531 	teqcc	r12, r1, lsr r5
  90139c:	30283d29 	eorcc	r3, r8, r9, lsr #26
  9013a0:	2931312c 	ldmcsdb	r1!, {r2, r3, r5, r8, r12, sp}
  9013a4:	36317500 	ldrcct	r7, [r1], -r0, lsl #10
  9013a8:	3128743a 	teqcc	r8, r10, lsr r4
  9013ac:	29322c35 	ldmcsdb	r2!, {r0, r2, r4, r5, r10, r11, sp}
  9013b0:	2c30283d 	ldccs	8, cr2, [r0], -#244
  9013b4:	75002939 	strvc	r2, [r0, -#2361]
  9013b8:	743a3233 	ldrvct	r3, [r10], -#563
  9013bc:	2c353128 	ldfcss	f3, [r5], -#160
  9013c0:	283d2933 	ldmcsda	sp!, {r0, r1, r4, r5, r8, r11, sp}
  9013c4:	29342c30 	ldmcsdb	r4!, {r4, r5, r10, r11, sp}
  9013c8:	72617000 	rsbvc	r7, r1, #0	; 0x0
  9013cc:	735f6d61 	cmpvc	pc, #6208	; 0x1840
  9013d0:	63757274 	cmnvs	r5, #1073741831	; 0x40000007
  9013d4:	28543a74 	ldmcsda	r4, {r2, r4, r5, r6, r9, r11, r12, sp}^
  9013d8:	342c3531 	strcct	r3, [r12], -#1329
  9013dc:	32733d29 	rsbccs	r3, r3, #2624	; 0xa40
  9013e0:	75343033 	ldrvc	r3, [r4, -#51]!
  9013e4:	31283a31 	teqcc	r8, r1, lsr r10
  9013e8:	29352c35 	ldmcsdb	r5!, {r0, r2, r4, r5, r10, r11, sp}
  9013ec:	3532753d 	ldrcc	r7, [r2, -#1341]!
  9013f0:	283a7336 	ldmcsda	r10!, {r1, r2, r4, r5, r8, r9, r12, sp, lr}
  9013f4:	362c3531 	undefined
  9013f8:	39733d29 	ldmccdb	r3!, {r0, r3, r5, r8, r10, r11, r12, sp}^
  9013fc:	67617032 	undefined
  901400:	69735f65 	ldmvsdb	r3!, {r0, r2, r5, r6, r8, r9, r10, r11, r12, lr}^
  901404:	283a657a 	ldmcsda	r10!, {r1, r3, r4, r5, r6, r8, r10, sp, lr}
  901408:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  90140c:	332c302c 	teqcc	r12, #44	; 0x2c
  901410:	726e3b32 	rsbvc	r3, lr, #51200	; 0xc800
  901414:	6761705f 	undefined
  901418:	283a7365 	ldmcsda	r10!, {r0, r2, r5, r6, r8, r9, r12, sp, lr}
  90141c:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  901420:	2c32332c 	ldccs	3, cr3, [r2], -#176
  901424:	723b3233 	eorvcs	r3, r11, #805306371	; 0x30000003
  901428:	69646d61 	stmvsdb	r4!, {r0, r5, r6, r8, r10, r11, sp, lr}^
  90142c:	735f6b73 	cmpvc	pc, #117760	; 0x1cc00
  901430:	3a657a69 	bcc	225fddc <__bss_end+0x194b580>
  901434:	352c3028 	strcc	r3, [r12, -#40]!
  901438:	34362c29 	ldrcct	r2, [r6], -#3113
  90143c:	3b32332c 	blcc	158e0f4 <__bss_end+0xc79898>
  901440:	67616c66 	strvsb	r6, [r1, -r6, ror #24]!
  901444:	30283a73 	eorcc	r3, r8, r3, ror r10
  901448:	2c29352c 	stccs	5, cr3, [r9], -#176
  90144c:	332c3639 	teqcc	r12, #59768832	; 0x3900000
  901450:	6f723b32 	swivs	0x00723b32
  901454:	6564746f 	strvsb	r7, [r4, -#1135]!
  901458:	30283a76 	eorcc	r3, r8, r6, ror r10
  90145c:	2c29352c 	stccs	5, cr3, [r9], -#176
  901460:	2c383231 	lfmcs	f3, 4, [r8], -#196
  901464:	763b3233 	undefined
  901468:	6f656469 	swivs	0x00656469
  90146c:	6d756e5f 	ldcvsl	14, cr6, [r5, -#380]!
  901470:	6c6f635f 	stcvsl	3, cr6, [pc], -#380
  901474:	30283a73 	eorcc	r3, r8, r3, ror r10
  901478:	2c29352c 	stccs	5, cr3, [r9], -#176
  90147c:	2c303631 	ldccs	6, cr3, [r0], -#196
  901480:	763b3233 	undefined
  901484:	6f656469 	swivs	0x00656469
  901488:	6d756e5f 	ldcvsl	14, cr6, [r5, -#380]!
  90148c:	776f725f 	undefined
  901490:	30283a73 	eorcc	r3, r8, r3, ror r10
  901494:	2c29352c 	stccs	5, cr3, [r9], -#176
  901498:	2c323931 	ldccs	9, cr3, [r2], -#196
  90149c:	763b3233 	undefined
  9014a0:	6f656469 	swivs	0x00656469
  9014a4:	283a785f 	ldmcsda	r10!, {r0, r1, r2, r3, r4, r6, r11, r12, sp, lr}
  9014a8:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  9014ac:	3432322c 	ldrcct	r3, [r2], -#556
  9014b0:	3b32332c 	blcc	158e168 <__bss_end+0xc7990c>
  9014b4:	65646976 	strvsb	r6, [r4, -#2422]!
  9014b8:	3a795f6f 	bcc	275927c <__bss_end+0x1e44a20>
  9014bc:	352c3028 	strcc	r3, [r12, -#40]!
  9014c0:	35322c29 	ldrcc	r2, [r2, -#3113]!
  9014c4:	32332c36 	eorccs	r2, r3, #13824	; 0x3600
  9014c8:	6d656d3b 	stcvsl	13, cr6, [r5, -#236]!
  9014cc:	6f635f63 	swivs	0x00635f63
  9014d0:	6f72746e 	swivs	0x0072746e
  9014d4:	65725f6c 	ldrvsb	r5, [r2, -#3948]!
  9014d8:	30283a67 	eorcc	r3, r8, r7, ror #20
  9014dc:	2c29352c 	stccs	5, cr3, [r9], -#176
  9014e0:	2c383832 	ldccs	8, cr3, [r8], -#200
  9014e4:	733b3233 	teqvc	r11, #805306371	; 0x30000003
  9014e8:	646e756f 	strvsbt	r7, [lr], -#1391
  9014ec:	61666564 	cmnvs	r6, r4, ror #10
  9014f0:	3a746c75 	bcc	261c6cc <__bss_end+0x1d07e70>
  9014f4:	312c3028 	teqcc	r12, r8, lsr #32
  9014f8:	332c2931 	teqcc	r12, #802816	; 0xc4000
  9014fc:	382c3032 	stmccda	r12!, {r1, r4, r5, r12, sp}
  901500:	6664613b 	undefined
  901504:	69726473 	ldmvsdb	r