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

  901088:	29312c30 	ldmcsdb	r1!, {r4, r5, r10, r11, sp}
  90108c:	67726100 	ldrvsb	r6, [r2, -r0, lsl #2]!
  901090:	28703a76 	ldmcsda	r0!, {r1, r2, r4, r5, r6, r9, r11, r12, sp}^
  901094:	39322c30 	ldmccdb	r2!, {r4, r5, r10, r11, sp}
  901098:	282a3d29 	stmcsda	r10!, {r0, r3, r5, r8, r10, r11, r12, sp}
  90109c:	31322c30 	teqcc	r2, r0, lsr r12
  9010a0:	6d630029 	stcvsl	0, cr0, [r3, -#164]!
  9010a4:	28473a64 	stmcsda	r7, {r2, r5, r6, r9, r11, r12, sp}^
  9010a8:	30332c30 	eorccs	r2, r3, r0, lsr r12
  9010ac:	72613d29 	rsbvc	r3, r1, #2624	; 0xa40
  9010b0:	312c3028 	teqcc	r12, r8, lsr #32
  9010b4:	3b303b29 	blcc	150fd60 <__bss_end+0xbfc3f4>
  9010b8:	30283b39 	eorcc	r3, r8, r9, lsr r11
  9010bc:	2931312c 	ldmcsdb	r1!, {r2, r3, r5, r8, r12, sp}
  9010c0:	74656d00 	strvcbt	r6, [r5], -#3328
  9010c4:	6c5f7265 	lfmvs	f7, 2, [pc], -#404
  9010c8:	5f656e69 	swipl	0x00656e69
  9010cc:	3a6e656c 	bcc	249a684 <__bss_end+0x1b86d18>
  9010d0:	2c302853 	ldccs	8, cr2, [r0], -#332
  9010d4:	55002931 	strpl	r2, [r0, -#2353]
  9010d8:	6f6d5f49 	swivs	0x006d5f49
  9010dc:	533a6564 	teqpl	r10, #419430400	; 0x19000000
  9010e0:	312c3028 	teqcc	r12, r8, lsr #32
  9010e4:	70002931 	andvc	r2, r0, r1, lsr r9
  9010e8:	533a7261 	teqpl	r10, #268435462	; 0x10000006
  9010ec:	332c3028 	teqcc	r12, #40	; 0x28
  9010f0:	2a3d2931 	bcs	184b5bc <__bss_end+0xf37c50>
  9010f4:	372c3528 	strcc	r3, [r12, -r8, lsr #10]!
  9010f8:	74620029 	strvcbt	r0, [r2], -#41
  9010fc:	5f72646c 	swipl	0x0072646c
  901100:	632e6970 	teqvs	lr, #1835008	; 0x1c0000
  901104:	74656e00 	strvcbt	r6, [r5], -#3584
  901108:	6500682e 	strvs	r6, [r0, -#2094]
  90110c:	72656874 	rsbvc	r6, r5, #7602176	; 0x740000
  901110:	2000682e 	andcs	r6, r0, lr, lsr #16
  901114:	3728543a 	undefined
  901118:	3d29312c 	stfccs	f3, [r9, -#176]!
  90111c:	4e455365 	cdpmi	3, 4, cr5, cr5, cr5, {3}
  901120:	4e415f44 	cdpmi	15, 4, cr5, cr1, cr4, {2}
  901124:	45475f44 	strmib	r5, [r7, -#3908]
  901128:	45525f54 	ldrmib	r5, [r2, -#3924]
  90112c:	3a594c50 	bcc	1f54274 <__bss_end+0x1640908>
  901130:	45532c30 	ldrmib	r2, [r3, -#3120]
  901134:	313a444e 	teqcc	r10, lr, asr #8
  901138:	4345522c 	cmpmi	r5, #-1073741822	; 0xc0000002
  90113c:	2c323a56 	ldccs	10, cr3, [r2], -#344
  901140:	53554c46 	cmppl	r5, #17920	; 0x4600
  901144:	2c333a48 	ldccs	10, cr3, [r3], -#288
  901148:	7573003b 	ldrvcb	r0, [r3, -#59]!
  90114c:	74696d62 	strvcbt	r6, [r9], -#3426
  901150:	646f6d5f 	strvsbt	r6, [pc], #d5f	; 901158 <L_STACK_UNTOUCHED_MAGIC+0x1064>
  901154:	28743a65 	ldmcsda	r4!, {r0, r2, r5, r6, r9, r11, r12, sp}^
  901158:	29322c37 	ldmcsdb	r2!, {r0, r1, r2, r4, r5, r10, r11, sp}
  90115c:	2c37283d 	ldccs	8, cr2, [r7], -#244
  901160:	65002931 	strvs	r2, [r0, -#2353]
  901164:	72656874 	rsbvc	r6, r5, #7602176	; 0x740000
  901168:	7264685f 	rsbvc	r6, r4, #6225920	; 0x5f0000
  90116c:	743a745f 	ldrvct	r7, [r10], -#1119
  901170:	312c3628 	teqcc	r12, r8, lsr #12
  901174:	36283d29 	strcct	r3, [r8], -r9, lsr #26
  901178:	3d29322c 	sfmcc	f3, 4, [r9, -#176]!
  90117c:	64343173 	ldrvst	r3, [r4], -#371
  901180:	5f747365 	swipl	0x00747365
  901184:	72646461 	rsbvc	r6, r4, #1627389952	; 0x61000000
  901188:	2c36283a 	ldccs	8, cr2, [r6], -#232
  90118c:	613d2933 	teqvs	sp, r3, lsr r9
  901190:	2c302872 	ldccs	8, cr2, [r0], -#456
  901194:	303b2931 	eorccs	r2, r11, r1, lsr r9
  901198:	283b353b 	ldmcsda	r11!, {r0, r1, r3, r4, r5, r8, r10, r12, sp}
  90119c:	31312c30 	teqcc	r1, r0, lsr r12
  9011a0:	2c302c29 	ldccs	12, cr2, [r0], -#164
  9011a4:	733b3834 	teqvc	r11, #3407872	; 0x340000
  9011a8:	615f6372 	cmpvs	pc, r2, ror r3
  9011ac:	3a726464 	bcc	259a344 <__bss_end+0x1c869d8>
  9011b0:	332c3628 	teqcc	r12, #41943040	; 0x2800000
  9011b4:	38342c29 	ldmccda	r4!, {r0, r3, r5, r10, r11, sp}
  9011b8:	3b38342c 	blcc	170e270 <__bss_end+0xdfa904>
  9011bc:	6d617266 	sfmvs	f7, 2, [r1, -#408]!
  9011c0:	79745f65 	ldmvcdb	r4!, {r0, r2, r5, r6, r8, r9, r10, r11, r12, lr}^
  9011c4:	283a6570 	ldmcsda	r10!, {r4, r5, r6, r8, r10, sp, lr}
  9011c8:	29392c30 	ldmcsdb	r9!, {r4, r5, r10, r11, sp}
  9011cc:	2c36392c 	ldccs	9, cr3, [r6], -#176
  9011d0:	3b3b3631 	blcc	17cea9c <__bss_end+0xebb130>
  9011d4:	5f706900 	swipl	0x00706900
  9011d8:	5f726468 	swipl	0x00726468
  9011dc:	28743a74 	ldmcsda	r4!, {r2, r4, r5, r6, r9, r11, r12, sp}^
  9011e0:	29342c36 	ldmcsdb	r4!, {r1, r2, r4, r5, r10, r11, sp}
  9011e4:	2c36283d 	ldccs	8, cr2, [r6], -#244
  9011e8:	733d2935 	teqvc	sp, #868352	; 0xd4000
  9011ec:	65763032 	ldrvsb	r3, [r6, -#50]!
  9011f0:	685f7372 	ldmvsda	pc, {r1, r4, r5, r6, r8, r9, r12, sp, lr}^
  9011f4:	3a6e656c 	bcc	249a7ac <__bss_end+0x1b86e40>
  9011f8:	312c3028 	teqcc	r12, r8, lsr #32
  9011fc:	302c2931 	eorcc	r2, r12, r1, lsr r9
  901200:	733b382c 	teqvc	r11, #2883584	; 0x2c0000
  901204:	5f767265 	swipl	0x00767265
  901208:	65707974 	ldrvsb	r7, [r0, -#2420]!
  90120c:	2c30283a 	ldccs	8, cr2, [r0], -#232
  901210:	2c293131 	stfcss	f3, [r9], -#196
  901214:	3b382c38 	blcc	170c2fc <__bss_end+0xdf8990>
  901218:	5f746f74 	swipl	0x00746f74
  90121c:	3a6e656c 	bcc	249a7d4 <__bss_end+0x1b86e68>
  901220:	392c3028 	stmccdb	r12!, {r3, r5, r12, sp}
  901224:	36312c29 	ldrcct	r2, [r1], -r9, lsr #24
  901228:	3b36312c 	blcc	168d6e0 <__bss_end+0xd79d74>
  90122c:	6e656469 	cdpvs	4, 6, cr6, cr5, cr9, {3}
  901230:	30283a74 	eorcc	r3, r8, r4, ror r10
  901234:	2c29392c 	stccs	9, cr3, [r9], -#176
  901238:	312c3233 	teqcc	r12, r3, lsr r2
  90123c:	6c663b36 	stcvsl	11, cr3, [r6], -#216
  901240:	5f736761 	swipl	0x00736761
  901244:	67617266 	strvsb	r7, [r1, -r6, ror #4]!
  901248:	7366666f 	cmnvc	r6, #116391936	; 0x6f00000
  90124c:	283a7465 	ldmcsda	r10!, {r0, r2, r5, r6, r10, r12, sp, lr}
  901250:	29392c30 	ldmcsdb	r9!, {r4, r5, r10, r11, sp}
  901254:	2c38342c 	ldccs	4, cr3, [r8], -#176
  901258:	743b3631 	ldrvct	r3, [r11], -#1585
  90125c:	74656d69 	strvcbt	r6, [r5], -#3433
  901260:	76696c6f 	strvcbt	r6, [r9], -pc, ror #24
  901264:	30283a65 	eorcc	r3, r8, r5, ror #20
  901268:	2931312c 	ldmcsdb	r1!, {r2, r3, r5, r8, r12, sp}
  90126c:	2c34362c 	ldccs	6, cr3, [r4], -#176
  901270:	72703b38 	rsbvcs	r3, r0, #57344	; 0xe000
  901274:	636f746f 	cmnvs	pc, #1862270976	; 0x6f000000
  901278:	283a6c6f 	ldmcsda	r10!, {r0, r1, r2, r3, r5, r6, r10, r11, sp, lr}
  90127c:	31312c30 	teqcc	r1, r0, lsr r12
  901280:	32372c29 	eorccs	r2, r7, #10496	; 0x2900
  901284:	683b382c 	ldmvsda	r11!, {r2, r3, r5, r11, r12, sp}
  901288:	635f7264 	cmpvs	pc, #1073741830	; 0x40000006
  90128c:	75736b68 	ldrvcb	r6, [r3, -#2920]!
  901290:	30283a6d 	eorcc	r3, r8, sp, ror #20
  901294:	2c29392c 	stccs	9, cr3, [r9], -#176
  901298:	312c3038 	teqcc	r12, r8, lsr r0
  90129c:	72733b36 	rsbvcs	r3, r3, #55296	; 0xd800
  9012a0:	50495f63 	subpl	r5, r9, r3, ror #30
  9012a4:	6464615f 	strvsbt	r6, [r4], -#351
  9012a8:	30283a72 	eorcc	r3, r8, r2, ror r10
  9012ac:	2c29352c 	stccs	5, cr3, [r9], -#176
  9012b0:	332c3639 	teqcc	r12, #59768832	; 0x3900000
  9012b4:	65643b32 	strvsb	r3, [r4, -#2866]!
  9012b8:	495f7473 	ldmmidb	pc, {r0, r1, r4, r5, r6, r10, r12, sp, lr}^
  9012bc:	64615f50 	strvsbt	r5, [r1], -#3920
  9012c0:	283a7264 	ldmcsda	r10!, {r2, r5, r6, r9, r12, sp, lr}
  9012c4:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  9012c8:	3832312c 	ldmccda	r2!, {r2, r3, r5, r8, r12, sp}
  9012cc:	3b32332c 	blcc	158df84 <__bss_end+0xc7a618>
  9012d0:	6475003b 	ldrvsbt	r0, [r5], -#59
  9012d4:	64685f70 	strvsbt	r5, [r8], -#3952
  9012d8:	3a745f72 	bcc	26190a8 <__bss_end+0x1d0573c>
  9012dc:	2c362874 	ldccs	8, cr2, [r6], -#464
  9012e0:	283d2936 	ldmcsda	sp!, {r1, r2, r4, r5, r8, r11, sp}
  9012e4:	29372c36 	ldmcsdb	r7!, {r1, r2, r4, r5, r10, r11, sp}
  9012e8:	7338733d 	teqvc	r8, #-201326592	; 0xf4000000
  9012ec:	705f6372 	subvcs	r6, pc, r2, ror r3
  9012f0:	3a74726f 	bcc	261dcb4 <__bss_end+0x1d0a348>
  9012f4:	392c3028 	stmccdb	r12!, {r3, r5, r12, sp}
  9012f8:	2c302c29 	ldccs	12, cr2, [r0], -#164
  9012fc:	643b3631 	ldrvst	r3, [r11], -#1585
  901300:	5f747365 	swipl	0x00747365
  901304:	74726f70 	ldrvcbt	r6, [r2], -#3952
  901308:	2c30283a 	ldccs	8, cr2, [r0], -#232
  90130c:	312c2939 	teqcc	r12, r9, lsr r9
  901310:	36312c36 	undefined
  901314:	746f743b 	strvcbt	r7, [pc], #43b	; 90131c <L_STACK_UNTOUCHED_MAGIC+0x1228>
  901318:	6e656c5f 	mcrvs	12, 3, r6, cr5, cr15, {2}
  90131c:	2c30283a 	ldccs	8, cr2, [r0], -#232
  901320:	332c2939 	teqcc	r12, #933888	; 0xe4000
  901324:	36312c32 	undefined
  901328:	6b68633b 	blvs	231a01c <__bss_end+0x1a066b0>
  90132c:	3a6d7573 	bcc	245e900 <__bss_end+0x1b4af94>
  901330:	392c3028 	stmccdb	r12!, {r3, r5, r12, sp}
  901334:	38342c29 	ldmccda	r4!, {r0, r3, r5, r10, r11, sp}
  901338:	3b36312c 	blcc	168d7f0 <__bss_end+0xd79e84>
  90133c:	6674003b 	undefined
  901340:	682e7074 	stmvsda	lr!, {r2, r4, r5, r6, r12, sp, lr}
  901344:	65727300 	ldrvsb	r7, [r2, -#768]!
  901348:	00682e63 	rsbeq	r2, r8, r3, ror #28
  90134c:	62776172 	rsbvss	r6, r7, #-2147483620	; 0x8000001c
  901350:	682e6e69 	stmvsda	lr!, {r0, r3, r5, r6, r9, r10, r11, sp, lr}
  901354:	64736f00 	ldrvsbt	r6, [r3], -#3840
  901358:	6400682e 	strvs	r6, [r0], -#2094
  90135c:	6d6f6365 	stcvsl	3, cr6, [pc, -#404]!
  901360:	73657270 	cmnvc	r5, #7	; 0x7
  901364:	00682e73 	rsbeq	r2, r8, r3, ror lr
  901368:	68636163 	stmvsda	r3!, {r0, r1, r5, r6, r8, sp, lr}^
  90136c:	00682e65 	rsbeq	r2, r8, r5, ror #28
  901370:	756e696c 	strvcb	r6, [lr, -#2412]!
  901374:	00682e78 	rsbeq	r2, r8, r8, ror lr
  901378:	743a3875 	ldrvct	r3, [r10], -#2165
  90137c:	2c353128 	ldfcss	f3, [r5], -#160
  901380:	283d2931 	ldmcsda	sp!, {r0, r4, r5, r8, r11, sp}
  901384:	31312c30 	teqcc	r1, r0, lsr r12
  901388:	31750029 	cmncc	r5, r9, lsr #32
  90138c:	28743a36 	ldmcsda	r4!, {r1, r2, r4, r5, r9, r11, r12, sp}^
  901390:	322c3531 	eorcc	r3, r12, #205520896	; 0xc400000
  901394:	30283d29 	eorcc	r3, r8, r9, lsr #26
  901398:	0029392c 	eoreq	r3, r9, r12, lsr #18
  90139c:	3a323375 	bcc	158e178 <__bss_end+0xc7a80c>
  9013a0:	35312874 	ldrcc	r2, [r1, -#2164]!
  9013a4:	3d29332c 	stccc	3, cr3, [r9, -#176]!
  9013a8:	342c3028 	strcct	r3, [r12], -#40
  9013ac:	61700029 	cmnvs	r0, r9, lsr #32
  9013b0:	5f6d6172 	swipl	0x006d6172
  9013b4:	75727473 	ldrvcb	r7, [r2, -#1139]!
  9013b8:	543a7463 	ldrplt	r7, [r10], -#1123
  9013bc:	2c353128 	ldfcss	f3, [r5], -#160
  9013c0:	733d2934 	teqvc	sp, #851968	; 0xd0000
  9013c4:	34303332 	ldrcct	r3, [r0], -#818
  9013c8:	283a3175 	ldmcsda	r10!, {r0, r2, r4, r5, r6, r8, r12, sp}
  9013cc:	352c3531 	strcc	r3, [r12, -#1329]!
  9013d0:	32753d29 	rsbccs	r3, r5, #2624	; 0xa40
  9013d4:	3a733635 	bcc	25cecb0 <__bss_end+0x1cbb344>
  9013d8:	2c353128 	ldfcss	f3, [r5], -#160
  9013dc:	733d2936 	teqvc	sp, #884736	; 0xd8000
  9013e0:	61703239 	cmnvs	r0, r9, lsr r2
  9013e4:	735f6567 	cmpvc	pc, #432013312	; 0x19c00000
  9013e8:	3a657a69 	bcc	225fd94 <__bss_end+0x194c428>
  9013ec:	352c3028 	strcc	r3, [r12, -#40]!
  9013f0:	2c302c29 	ldccs	12, cr2, [r0], -#164
  9013f4:	6e3b3233 	mrcvs	2, 1, r3, cr11, cr3, {1}
  9013f8:	61705f72 	cmnvs	r0, r2, ror pc
  9013fc:	3a736567 	bcc	25da9a0 <__bss_end+0x1cc7034>
  901400:	352c3028 	strcc	r3, [r12, -#40]!
  901404:	32332c29 	eorccs	r2, r3, #10496	; 0x2900
  901408:	3b32332c 	blcc	158e0c0 <__bss_end+0xc7a754>
  90140c:	646d6172 	strvsbt	r6, [sp], -#370
  901410:	5f6b7369 	swipl	0x006b7369
  901414:	657a6973 	ldrvsb	r6, [r10, -#2419]!
  901418:	2c30283a 	ldccs	8, cr2, [r0], -#232
  90141c:	362c2935 	undefined
  901420:	32332c34 	eorccs	r2, r3, #13312	; 0x3400
  901424:	616c663b 	cmnvs	r12, r11, lsr r6
  901428:	283a7367 	ldmcsda	r10!, {r0, r1, r2, r5, r6, r8, r9, r12, sp, lr}
  90142c:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  901430:	2c36392c 	ldccs	9, cr3, [r6], -#176
  901434:	723b3233 	eorvcs	r3, r11, #805306371	; 0x30000003
  901438:	64746f6f 	ldrvsbt	r6, [r4], -#3951
  90143c:	283a7665 	ldmcsda	r10!, {r0, r2, r5, r6, r9, r10, r12, sp, lr}
  901440:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  901444:	3832312c 	ldmccda	r2!, {r2, r3, r5, r8, r12, sp}
  901448:	3b32332c 	blcc	158e100 <__bss_end+0xc7a794>
  90144c:	65646976 	strvsb	r6, [r4, -#2422]!
  901450:	756e5f6f 	strvcb	r5, [lr, -#3951]!
  901454:	6f635f6d 	swivs	0x00635f6d
  901458:	283a736c 	ldmcsda	r10!, {r2, r3, r5, r6, r8, r9, r12, sp, lr}
  90145c:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  901460:	3036312c 	eorccs	r3, r6, r12, lsr #2
  901464:	3b32332c 	blcc	158e11c <__bss_end+0xc7a7b0>
  901468:	65646976 	strvsb	r6, [r4, -#2422]!
  90146c:	756e5f6f 	strvcb	r5, [lr, -#3951]!
  901470:	6f725f6d 	swivs	0x00725f6d
  901474:	283a7377 	ldmcsda	r10!, {r0, r1, r2, r4, r5, r6, r8, r9, r12, sp, lr}
  901478:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  90147c:	3239312c 	eorccs	r3, r9, #11	; 0xb
  901480:	3b32332c 	blcc	158e138 <__bss_end+0xc7a7cc>
  901484:	65646976 	strvsb	r6, [r4, -#2422]!
  901488:	3a785f6f 	bcc	271924c <__bss_end+0x1e058e0>
  90148c:	352c3028 	strcc	r3, [r12, -#40]!
  901490:	32322c29 	eorccs	r2, r2, #10496	; 0x2900
  901494:	32332c34 	eorccs	r2, r3, #13312	; 0x3400
  901498:	6469763b 	strvsbt	r7, [r9], -#1595
  90149c:	795f6f65 	ldmvcdb	pc, {r0, r2, r5, r6, r8, r9, r10, r11, sp, lr}^
  9014a0:	2c30283a 	ldccs	8, cr2, [r0], -#232
  9014a4:	322c2935 	eorcc	r2, r12, #868352	; 0xd4000
  9014a8:	332c3635 	teqcc	r12, #55574528	; 0x3500000
  9014ac:	656d3b32 	strvsb	r3, [sp, -#2866]!
  9014b0:	635f636d 	cmpvs	pc, #-1275068415	; 0xb4000001
  9014b4:	72746e6f 	rsbvcs	r6, r4, #1776	; 0x6f0
  9014b8:	725f6c6f 	subvcs	r6, pc, #28416	; 0x6f00
  9014bc:	283a6765 	ldmcsda	r10!, {r0, r2, r5, r6, r8, r9, r10, sp, lr}
  9014c0:	29352c30 	ldmcsdb	r5!, {r4, r5, r10, r11, sp}
  9014c4:	3838322c 	ldmccda	r8!, {r2, r3, r5, r9, r12, sp}
  9014c8:	3b32332c 	blcc	158e180 <__bss_end+0xc7a814>
  9014cc