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

  900860:	36312c30 	undefined
  900864:	6b3b3030 	blvs	17cc92c <__bss_end+0xeb90d0>
  900868:	656e7265 	strvsb	r7, [lr, -#613]!
  90086c:	61705f6c 	cmnvs	r0, r12, ror #30
  900870:	283a6874 	ldmcsda	r10!, {r2, r4, r5, r6, r11, sp, lr}
  900874:	29392c35 	ldmcsdb	r9!, {r0, r2, r4, r5, r10, r11, sp}
  900878:	3034362c 	eorccs	r3, r4, r12, lsr #12
  90087c:	36312c30 	undefined
  900880:	663b3030 	undefined
  900884:	73656c69 	cmnvc	r5, #26880	; 0x6900
  900888:	705f7379 	subvcs	r7, pc, r9, ror r3
  90088c:	3a687461 	bcc	231da18 <__bss_end+0x1a0a1bc>
  900890:	392c3528 	stmccdb	r12!, {r3, r5, r8, r10, r12, sp}
  900894:	30382c29 	eorccs	r2, r8, r9, lsr #24
  900898:	312c3030 	teqcc	r12, r0, lsr r0
  90089c:	3b303036 	blcc	150c97c <__bss_end+0xbf9120>
  9008a0:	6e72656b 	cdpvs	5, 7, cr6, cr2, cr11, {3}
  9008a4:	635f6c65 	cmpvs	pc, #25856	; 0x6500
  9008a8:	696c646d 	stmvsdb	r12!, {r0, r2, r3, r5, r6, r10, sp, lr}^
  9008ac:	283a656e 	ldmcsda	r10!, {r1, r2, r3, r5, r6, r8, r10, sp, lr}
  9008b0:	29392c35 	ldmcsdb	r9!, {r0, r2, r4, r5, r10, r11, sp}
  9008b4:	3036392c 	eorccs	r3, r6, r12, lsr #18
  9008b8:	36312c30 	undefined
  9008bc:	753b3030 	ldrvc	r3, [r11, -#48]!
  9008c0:	5f726573 	swipl	0x00726573
  9008c4:	61746164 	cmnvs	r4, r4, ror #2
  9008c8:	283a315f 	ldmcsda	r10!, {r0, r1, r2, r3, r4, r6, r8, r12, sp}
  9008cc:	29392c35 	ldmcsdb	r9!, {r0, r2, r4, r5, r10, r11, sp}
  9008d0:	3231312c 	eorccs	r3, r1, #11	; 0xb
  9008d4:	312c3030 	teqcc	r12, r0, lsr r0
  9008d8:	3b303036 	blcc	150c9b8 <__bss_end+0xbf915c>
  9008dc:	72657375 	rsbvc	r7, r5, #-738197503	; 0xd4000001
  9008e0:	7461645f 	strvcbt	r6, [r1], -#1119
  9008e4:	3a325f61 	bcc	1598670 <__bss_end+0xc84e14>
  9008e8:	392c3528 	stmccdb	r12!, {r3, r5, r8, r10, r12, sp}
  9008ec:	32312c29 	eorccs	r2, r1, #10496	; 0x2900
  9008f0:	2c303038 	ldccs	0, cr3, [r0], -#224
  9008f4:	30303631 	eorccs	r3, r0, r1, lsr r6
  9008f8:	6573753b 	ldrvsb	r7, [r3, -#1339]!
  9008fc:	61645f72 	cmnvs	r4, r2, ror pc
  900900:	335f6174 	cmpcc	pc, #29	; 0x1d
  900904:	2c35283a 	ldccs	8, cr2, [r5], -#232
  900908:	312c2939 	teqcc	r12, r9, lsr r9
  90090c:	30303434 	eorccs	r3, r0, r4, lsr r4
  900910:	3036312c 	eorccs	r3, r6, r12, lsr #2
  900914:	73753b30 	cmnvc	r5, #49152	; 0xc000
  900918:	645f7265 	ldrvsb	r7, [pc], #265	; 900920 <btldr_start+0x920>
  90091c:	5f617461 	swipl	0x00617461
  900920:	35283a34 	strcc	r3, [r8, -#2612]!
  900924:	2c29392c 	stccs	9, cr3, [r9], -#176
  900928:	30303631 	eorccs	r3, r0, r1, lsr r6
  90092c:	36312c30 	undefined
  900930:	753b3030 	ldrvc	r3, [r11, -#48]!
  900934:	5f726573 	swipl	0x00726573
  900938:	61746164 	cmnvs	r4, r4, ror #2
  90093c:	283a355f 	ldmcsda	r10!, {r0, r1, r2, r3, r4, r6, r8, r10, r12, sp}
  900940:	29392c35 	ldmcsdb	r9!, {r0, r2, r4, r5, r10, r11, sp}
  900944:	3637312c 	ldrcct	r3, [r7], -r12, lsr #2
  900948:	312c3030 	teqcc	r12, r0, lsr r0
  90094c:	3b303036 	blcc	150ca2c <__bss_end+0xbf91d0>
  900950:	5f58414d 	swipl	0x0058414d
  900954:	5f525453 	swipl	0x00525453
  900958:	3a4e454c 	bcc	1c91e90 <__bss_end+0x137e634>
  90095c:	312c3028 	teqcc	r12, r8, lsr #32
  900960:	39312c29 	ldmccdb	r1!, {r0, r3, r5, r10, r11, sp}
  900964:	2c303032 	ldccs	0, cr3, [r0], -#200
  900968:	3b3b3233 	blcc	17cd23c <__bss_end+0xeb99e0>
  90096c:	616c6600 	cmnvs	r12, r0, lsl #12
  900970:	682e6873 	stmvsda	lr!, {r0, r1, r4, r5, r6, r11, sp, lr}
  900974:	74654700 	strvcbt	r4, [r5], -#1792
  900978:	65747942 	ldrvsb	r7, [r4, -#2370]!
  90097c:	6c6c6143 	stfvse	f6, [r12], -#268
  900980:	6b636142 	blvs	21d8e90 <__bss_end+0x18c5634>
  900984:	743a745f 	ldrvct	r7, [r10], -#1119
  900988:	312c3628 	teqcc	r12, r8, lsr #12
  90098c:	36283d29 	strcct	r3, [r8], -r9, lsr #26
  900990:	3d29322c 	sfmcc	f3, 4, [r9, -#176]!
  900994:	2c36282a 	ldccs	8, cr2, [r6], -#168
  900998:	663d2933 	undefined
  90099c:	312c3028 	teqcc	r12, r8, lsr #32
  9009a0:	47002931 	undefined
  9009a4:	61567465 	cmpvs	r6, r5, ror #8
  9009a8:	4174416c 	cmnmi	r4, r12, ror #2
  9009ac:	43726464 	cmnmi	r2, #1677721600	; 0x64000000
  9009b0:	426c6c61 	rsbmi	r6, r12, #24832	; 0x6100
  9009b4:	5f6b6361 	swipl	0x006b6361
  9009b8:	28743a74 	ldmcsda	r4!, {r2, r4, r5, r6, r9, r11, r12, sp}^
  9009bc:	29342c36 	ldmcsdb	r4!, {r1, r2, r4, r5, r10, r11, sp}
  9009c0:	2c36283d 	ldccs	8, cr2, [r6], -#244
  9009c4:	2a3d2935 	bcs	184aea0 <__bss_end+0xf37644>
  9009c8:	362c3628 	strcct	r3, [r12], -r8, lsr #12
  9009cc:	28663d29 	stmcsda	r6!, {r0, r3, r5, r8, r10, r11, r12, sp}^
  9009d0:	39312c30 	ldmccdb	r1!, {r4, r5, r10, r11, sp}
  9009d4:	75500029 	ldrvcb	r0, [r0, -#41]
  9009d8:	6c615674 	stcvsl	6, cr5, [r1], -#464
  9009dc:	64417441 	strvsb	r7, [r1], -#1089
  9009e0:	61437264 	cmpvs	r3, r4, ror #4
  9009e4:	61426c6c 	cmpvs	r2, r12, ror #24
  9009e8:	745f6b63 	ldrvcb	r6, [pc], #b63	; 9009f0 <btldr_start+0x9f0>
  9009ec:	3628743a 	undefined
  9009f0:	3d29372c 	stccc	7, cr3, [r9, -#176]!
  9009f4:	382c3628 	stmccda	r12!, {r3, r5, r9, r10, r12, sp}
  9009f8:	282a3d29 	stmcsda	r10!, {r0, r3, r5, r8, r10, r11, r12, sp}
  9009fc:	29392c36 	ldmcsdb	r9!, {r1, r2, r4, r5, r10, r11, sp}
  900a00:	3028663d 	eorcc	r6, r8, sp, lsr r6
  900a04:	2939312c 	ldmcsdb	r9!, {r2, r3, r5, r8, r12, sp}
  900a08:	72657600 	rsbvc	r7, r5, #0	; 0x0
  900a0c:	6e6f6973 	mcrvs	9, 3, r6, cr15, cr3, {3}
  900a10:	7000682e 	andvc	r6, r0, lr, lsr #16
  900a14:	6f43706d 	swivs	0x0043706d
  900a18:	6769666e 	strvsb	r6, [r9, -lr, ror #12]!
  900a1c:	6900682e 	stmvsdb	r0, {r1, r2, r3, r5, r11, sp, lr}
  900a20:	6c61766e 	stcvsl	6, cr7, [r1], -#440
  900a24:	635f6469 	cmpvs	pc, #1761607680	; 0x69000000
  900a28:	616d6d6f 	cmnvs	sp, pc, ror #26
  900a2c:	663a646e 	ldrvst	r6, [r10], -lr, ror #8
  900a30:	312c3028 	teqcc	r12, r8, lsr #32
  900a34:	70002939 	andvc	r2, r0, r9, lsr r9
  900a38:	72676f72 	rsbvc	r6, r7, #456	; 0x1c8
  900a3c:	5f737365 	swipl	0x00737365
  900a40:	6574656d 	ldrvsb	r6, [r4, -#1389]!
  900a44:	28663a72 	stmcsda	r6!, {r1, r4, r5, r6, r9, r11, r12, sp}^
  900a48:	39312c30 	ldmccdb	r1!, {r4, r5, r10, r11, sp}
  900a4c:	6c630029 	stcvsl	0, cr0, [r3], -#164
  900a50:	3a726165 	bcc	2598fec <__bss_end+0x1c85790>
  900a54:	2c302866 	ldccs	8, cr2, [r0], -#408
  900a58:	00293931 	eoreq	r3, r9, r1, lsr r9
  900a5c:	705f6f64 	subvcs	r6, pc, r4, ror #30
  900a60:	6d617261 	sfmvs	f7, 2, [r1, -#388]!
  900a64:	73696c5f 	cmnvc	r9, #24320	; 0x5f00
  900a68:	676e6974 	undefined
  900a6c:	3028463a 	eorcc	r4, r8, r10, lsr r6
  900a70:	2939312c 	ldmcsdb	r9!, {r2, r3, r5, r8, r12, sp}
  900a74:	6e696600 	cdpvs	6, 6, cr6, cr9, cr0, {0}
  900a78:	61705f64 	cmnvs	r0, r4, ror #30
  900a7c:	3a6d6172 	bcc	245904c <__bss_end+0x1b457f0>
  900a80:	2c302866 	ldccs	8, cr2, [r0], -#408
  900a84:	70002931 	andvc	r2, r0, r1, lsr r9
  900a88:	6d617261 	sfmvs	f7, 2, [r1, -#388]!
  900a8c:	3028703a 	eorcc	r7, r8, r10, lsr r0
  900a90:	2931322c 	ldmcsdb	r1!, {r2, r3, r5, r9, r12, sp}
  900a94:	30282a3d 	eorcc	r2, r8, sp, lsr r10
  900a98:	0029322c 	eoreq	r3, r9, r12, lsr #4
  900a9c:	656e696c 	strvsb	r6, [lr, -#2412]!
  900aa0:	3028703a 	eorcc	r7, r8, r10, lsr r0
  900aa4:	2931322c 	ldmcsdb	r1!, {r2, r3, r5, r9, r12, sp}
  900aa8:	756f6600 	strvcb	r6, [pc, #fffffa00]!	; 9004b0 <btldr_start+0x4b0>
  900aac:	283a646e 	ldmcsda	r10!, {r1, r2, r3, r5, r6, r10, sp, lr}
  900ab0:	29312c30 	ldmcsdb	r1!, {r4, r5, r10, r11, sp}
  900ab4:	695f6c00 	ldmvsdb	pc, {r10, r11, sp, lr}^
  900ab8:	7865646e 	stmvcda	r5!, {r1, r2, r3, r5, r6, r10, sp, lr}^
  900abc:	2c30283a 	ldccs	8, cr2, [r0], -#232
  900ac0:	6a002931 	bvs	90af8c <do_printf+0x430>
  900ac4:	2c30283a 	ldccs	8, cr2, [r0], -#232
  900ac8:	6b002931 	blvs	90af94 <do_printf+0x438>
  900acc:	2c30283a 	ldccs	8, cr2, [r0], -#232
  900ad0:	64002931 	strvs	r2, [r0], -#2353
  900ad4:	65735f6f 	ldrvsb	r5, [r3, -#3951]!
  900ad8:	6f635f74 	swivs	0x00635f74
  900adc:	6e616d6d 	cdpvs	13, 6, cr6, cr1, cr13, {3}
  900ae0:	28663a64 	stmcsda	r6!, {r2, r5, r6, r9, r11, r12, sp}^
  900ae4:	39312c30 	ldmccdb	r1!, {r4, r5, r10, r11, sp}
  900ae8:	61700029 	cmnvs	r0, r9, lsr #32
  900aec:	3a6d6172 	bcc	24590bc <__bss_end+0x1b45860>
  900af0:	322c3028 	eorcc	r3, r12, #40	; 0x28
  900af4:	613d2932 	teqvs	sp, r2, lsr r9
  900af8:	2c302872 	ldccs	8, cr2, [r0], -#456
  900afc:	303b2931 	eorccs	r2, r11, r1, lsr r9
  900b00:	3b39393b 	blcc	174eff4 <__bss_end+0xe3b798>
  900b04:	322c3028 	eorcc	r3, r12, #40	; 0x28
  900b08:	61760029 	cmnvs	r6, r9, lsr #32
  900b0c:	30283a6c 	eorcc	r3, r8, r12, ror #20
  900b10:	2931322c 	ldmcsdb	r1!, {r2, r3, r5, r9, r12, sp}
  900b14:	5f6f6400 	swipl	0x006f6400
  900b18:	73617265 	cmnvc	r1, #1342177286	; 0x50000006
  900b1c:	6c665f65 	stcvsl	15, cr5, [r6], -#404
  900b20:	5f687361 	swipl	0x00687361
  900b24:	3a646d63 	bcc	221c0b8 <__bss_end+0x190885c>
  900b28:	2c302866 	ldccs	8, cr2, [r0], -#408
  900b2c:	00293931 	eoreq	r3, r9, r1, lsr r9
  900b30:	61726170 	cmnvs	r2, r0, ror r1
  900b34:	30283a6d 	eorcc	r3, r8, sp, ror #20
  900b38:	2932322c 	ldmcsdb	r2!, {r2, r3, r5, r9, r12, sp}
  900b3c:	6e696600 	cdpvs	6, 6, cr6, cr9, cr0, {0}
  900b40:	6f635f64 	swivs	0x00635f64
  900b44:	663a706d 	ldrvst	r7, [r10], -sp, rrx
  900b48:	312c3028 	teqcc	r12, r8, lsr #32
  900b4c:	6f630029 	swivs	0x00630029
  900b50:	703a706d 	eorvcs	r7, r10, sp, rrx
  900b54:	322c3028 	eorcc	r3, r12, #40	; 0x28
  900b58:	2a3d2933 	bcs	184b02c <__bss_end+0xf377d0>
  900b5c:	322c3528 	eorcc	r3, r12, #167772160	; 0xa000000
  900b60:	69660029 	stmvsdb	r6!, {r0, r3, r5}^
  900b64:	735f646e 	cmpvc	pc, #1845493760	; 0x6e000000
  900b68:	663a6372 	undefined
  900b6c:	312c3028 	teqcc	r12, r8, lsr #32
  900b70:	72730029 	rsbvcs	r0, r3, #41	; 0x29
  900b74:	28703a63 	ldmcsda	r0!, {r0, r1, r5, r6, r9, r11, r12, sp}^
  900b78:	34322c30 	ldrcct	r2, [r2], -#3120
  900b7c:	282a3d29 	stmcsda	r10!, {r0, r3, r5, r8, r10, r11, r12, sp}
  900b80:	29342c35 	ldmcsdb	r4!, {r0, r2, r4, r5, r10, r11, sp}
  900b84:	6e696600 	cdpvs	6, 6, cr6, cr9, cr0, {0}
  900b88:	65645f64 	strvsb	r5, [r4, -#3940]!
  900b8c:	663a7473 	undefined
  900b90:	312c3028 	teqcc	r12, r8, lsr #32
  900b94:	65640029 	strvsb	r0, [r4, -#41]!
  900b98:	703a7473 	eorvcs	r7, r10, r3, ror r4
  900b9c:	322c3028 	eorcc	r3, r12, #40	; 0x28
  900ba0:	66002934 	undefined
  900ba4:	5f646e69 	swipl	0x00646e69
  900ba8:	6d726f66 	ldcvsl	15, cr6, [r2, -#408]!
  900bac:	663a7461 	ldrvst	r7, [r10], -r1, ror #8
  900bb0:	312c3028 	teqcc	r12, r8, lsr #32
  900bb4:	6f660029 	swivs	0x00660029
  900bb8:	74616d72 	strvcbt	r6, [r1], -#3442
  900bbc:	3028703a 	eorcc	r7, r8, r10, lsr r0
  900bc0:	2935322c 	ldmcsdb	r5!, {r2, r3, r5, r9, r12, sp}
  900bc4:	35282a3d 	strcc	r2, [r8, -#2621]!
  900bc8:	0029362c 	eoreq	r3, r9, r12, lsr #12
  900bcc:	635f6f64 	cmpvs	pc, #400	; 0x190
  900bd0:	5f79706f 	swipl	0x0079706f
  900bd4:	6d6d6f63 	stcvsl	15, cr6, [sp, -#396]!
  900bd8:	3a646e61 	bcc	221c564 <__bss_end+0x1908d08>
  900bdc:	2c302866 	ldccs	8, cr2, [r0], -#408
  900be0:	00293931 	eoreq	r3, r9, r1, lsr r9
  900be4:	706d6f63 	rsbvc	r6, sp, r3, ror #30
  900be8:	2c35283a 	ldccs	8, cr2, [r5], -#232
  900bec:	73002932 	tstvc	r0, #819200	; 0xc8000
  900bf0:	283a6372 	ldmcsda	r10!, {r1, r4, r5, r6, r8, r9, sp, lr}
  900bf4:	29342c35 	ldmcsdb	r4!, {r0, r2, r4, r5, r10, r11, sp}
  900bf8:	73656400 	cmnvc	r5, #0	; 0x0
  900bfc:	35283a74 	strcc	r3, [r8, -#2676]!
  900c00:	0029342c 	eoreq	r3, r9, r12, lsr #8
  900c04:	6d726f66 	ldcvsl	15, cr6, [r2, -#408]!
  900c08:	283a7461 	ldmcsda	r10!, {r0, r5, r6, r10, r12, sp, lr}
  900c0c:	29362c35 	ldmcsdb	r6!, {r0, r2, r4, r5, r10, r11, sp}
  900c10:	74657200 	strvcbt	r7, [r5], -#512
  900c14:	2c30283a 	ldccs	8, cr2, [r0], -#232
  900c18:	64002931 	strvs	r2, [r0], -#2353
  900c1c:	65685f6f 	strvsb	r5, [r8, -#3951]!
  900c20:	635f706c 	cmpvs	pc, #108	; 0x6c
  900c24:	616d6d6f 	cmnvs	sp, pc, ror #26
  900c28:	663a646e 	ldrvst	r6, [r10], -lr, ror #8
  900c2c:	312c3028 	teqcc	r12, r8, lsr #32
  900c30:	64002939 	strvs	r2, [r0], -#2361
  900c34:	72655f6f 	rsbvc	r5, r5, #444	; 0x1bc
  900c38:	5f657361 	swipl	0x00657361
  900c3c:	73616c66 	cmnvc	r1, #26112	; 0x6600
  900c40:	28663a68 	stmcsda	r6!, {r3, r5, r6, r9, r11, r12, sp}^
  900c44:	39312c30 	ldmccdb	r1!, {r4, r5, r10, r11, sp}
  900c48:	6f740029 	swivs	0x00740029
  900c4c:	656c5f70 	strvsb	r5, [r12, -#3952]!
  900c50:	5f6c6576 	swipl	0x006c6576
  900c54:	73726170 	cmnvc	r2, #28	; 0x1c
  900c58:	28663a65 	stmcsda	r6!, {r0, r2, r5, r6, r9, r11, r12, sp}^
  900c5c:	39312c30 	ldmccdb	r1!, {r4, r5, r10, r11, sp}
  900c60:	6d630029 	stcvsl	0, cr0, [r3, -#164]!
  900c64:	28703a64 	ldmcsda	r0!, {r2, r5, r6, r9, r11, r12, sp}^
  900c68:	36322c30 	undefined
  900c6c:	282a3d29 	stmcsda	r10!, {r0, r3, r5, r8, r10, r11, r12, sp}
  900c70:	31312c30 	teqcc	r1, r0, lsr r12
  900c74:	6d630029 	stcvsl	0, cr0, [r3, -#164]!
  900c78:	6f635f64 	swivs	0x00635f64
  900c7c:	283a7970 	ldmcsda	r10!, {r4, r5, r6, r8, r11, r12, sp, lr}
  900c80:	37322c30 	undefined
  900c84:	72613d29 	rsbvc	r3, r1, #2624	; 0xa40
  900c88:	312c3028 	teqcc	r12, r8, lsr #32
  900c8c:	3b303b29 	blcc	150f938 <__bss_end+0xbfc0dc>
  900c90:	283b3939 	ldmcsda	r11!, {r0, r3, r4, r5, r8, r11, r12, sp}
  900c94:	31312c30 	teqcc	r1, r0, lsr r12
  900c98:	6d630029 	stcvsl	0, cr0, [r3, -#164]!