mos_dissemble.s

一个基于MMU的操作系统的实现(代码很少

     fe4:	e51b3024 	ldr	r3, [fp, #-36]
     fe8:	e1a03a03 	mov	r3, r3, lsl #20
     fec:	e283333f 	add	r3, r3, #-67108864	; 0xfc000000
     ff0:	e2433b01 	sub	r3, r3, #1024	; 0x400
     ff4:	e50b3030 	str	r3, [fp, #-48]
     ff8:	e3a03000 	mov	r3, #0	; 0x0
     ffc:	e50b302c 	str	r3, [fp, #-44]
    1000:	e3a03000 	mov	r3, #0	; 0x0
    1004:	e50b3028 	str	r3, [fp, #-40]
    1008:	e51b3018 	ldr	r3, [fp, #-24]
    100c:	e3530000 	cmp	r3, #0	; 0x0
    1010:	0a00002f 	beq	0x10d4
    1014:	e51b2018 	ldr	r2, [fp, #-24]
    1018:	e51b3028 	ldr	r3, [fp, #-40]
    101c:	e0823003 	add	r3, r2, r3
    1020:	e5d33000 	ldrb	r3, [r3]
    1024:	e3530000 	cmp	r3, #0	; 0x0
    1028:	0a000029 	beq	0x10d4
    102c:	e51b2018 	ldr	r2, [fp, #-24]
    1030:	e51b3028 	ldr	r3, [fp, #-40]
    1034:	e0823003 	add	r3, r2, r3
    1038:	e5d33000 	ldrb	r3, [r3]
    103c:	e3530020 	cmp	r3, #32	; 0x20
    1040:	1a000003 	bne	0x1054
    1044:	e51b3028 	ldr	r3, [fp, #-40]
    1048:	e2833001 	add	r3, r3, #1	; 0x1
    104c:	e50b3028 	str	r3, [fp, #-40]
    1050:	eafffff5 	b	0x102c
    1054:	e51b2018 	ldr	r2, [fp, #-24]
    1058:	e51b3028 	ldr	r3, [fp, #-40]
    105c:	e0823003 	add	r3, r2, r3
    1060:	e5d33000 	ldrb	r3, [r3]
    1064:	e3530000 	cmp	r3, #0	; 0x0
    1068:	1a000000 	bne	0x1070
    106c:	ea000018 	b	0x10d4
    1070:	e51b302c 	ldr	r3, [fp, #-44]
    1074:	e2833001 	add	r3, r3, #1	; 0x1
    1078:	e50b302c 	str	r3, [fp, #-44]
    107c:	e51b2018 	ldr	r2, [fp, #-24]
    1080:	e51b3028 	ldr	r3, [fp, #-40]
    1084:	e0823003 	add	r3, r2, r3
    1088:	e5d33000 	ldrb	r3, [r3]
    108c:	e3530000 	cmp	r3, #0	; 0x0
    1090:	0a000009 	beq	0x10bc
    1094:	e51b2018 	ldr	r2, [fp, #-24]
    1098:	e51b3028 	ldr	r3, [fp, #-40]
    109c:	e0823003 	add	r3, r2, r3
    10a0:	e5d33000 	ldrb	r3, [r3]
    10a4:	e3530020 	cmp	r3, #32	; 0x20
    10a8:	0a000003 	beq	0x10bc
    10ac:	e51b3028 	ldr	r3, [fp, #-40]
    10b0:	e2833001 	add	r3, r3, #1	; 0x1
    10b4:	e50b3028 	str	r3, [fp, #-40]
    10b8:	eaffffef 	b	0x107c
    10bc:	e51b2018 	ldr	r2, [fp, #-24]
    10c0:	e51b3028 	ldr	r3, [fp, #-40]
    10c4:	e0823003 	add	r3, r2, r3
    10c8:	e5d33000 	ldrb	r3, [r3]
    10cc:	e3530000 	cmp	r3, #0	; 0x0
    10d0:	1affffcf 	bne	0x1014
    10d4:	e24b0030 	sub	r0, fp, #48	; 0x30
    10d8:	e5902000 	ldr	r2, [r0]
    10dc:	e51b302c 	ldr	r3, [fp, #-44]
    10e0:	e2831001 	add	r1, r3, #1	; 0x1
    10e4:	e1a03002 	mov	r3, r2
    10e8:	e5831000 	str	r1, [r3]
    10ec:	e2822004 	add	r2, r2, #4	; 0x4
    10f0:	e5802000 	str	r2, [r0]
    10f4:	e24b0030 	sub	r0, fp, #48	; 0x30
    10f8:	e5903000 	ldr	r3, [r0]
    10fc:	e1a01003 	mov	r1, r3
    1100:	e51b2024 	ldr	r2, [fp, #-36]
    1104:	e5812000 	str	r2, [r1]
    1108:	e2833004 	add	r3, r3, #4	; 0x4
    110c:	e5803000 	str	r3, [r0]
    1110:	e51b302c 	ldr	r3, [fp, #-44]
    1114:	e1a02103 	mov	r2, r3, lsl #2
    1118:	e51b3030 	ldr	r3, [fp, #-48]
    111c:	e0823003 	add	r3, r2, r3
    1120:	e2833004 	add	r3, r3, #4	; 0x4
    1124:	e50b3034 	str	r3, [fp, #-52]
    1128:	e3a03000 	mov	r3, #0	; 0x0
    112c:	e50b3020 	str	r3, [fp, #-32]
    1130:	e3a03000 	mov	r3, #0	; 0x0
    1134:	e50b3028 	str	r3, [fp, #-40]
    1138:	e51b2020 	ldr	r2, [fp, #-32]
    113c:	e51b302c 	ldr	r3, [fp, #-44]
    1140:	e1520003 	cmp	r2, r3
    1144:	2a000046 	bcs	0x1264
    1148:	e24b0030 	sub	r0, fp, #48	; 0x30
    114c:	e5901000 	ldr	r1, [r0]
    1150:	e51b3024 	ldr	r3, [fp, #-36]
    1154:	e1a02a03 	mov	r2, r3, lsl #20
    1158:	e51b3034 	ldr	r3, [fp, #-52]
    115c:	e0623003 	rsb	r3, r2, r3
    1160:	e2833641 	add	r3, r3, #68157440	; 0x4100000
    1164:	e1a02001 	mov	r2, r1
    1168:	e5823000 	str	r3, [r2]
    116c:	e2811004 	add	r1, r1, #4	; 0x4
    1170:	e5801000 	str	r1, [r0]
    1174:	e51b2018 	ldr	r2, [fp, #-24]
    1178:	e51b3028 	ldr	r3, [fp, #-40]
    117c:	e0823003 	add	r3, r2, r3
    1180:	e5d33000 	ldrb	r3, [r3]
    1184:	e3530020 	cmp	r3, #32	; 0x20
    1188:	1a000003 	bne	0x119c
    118c:	e51b3028 	ldr	r3, [fp, #-40]
    1190:	e2833001 	add	r3, r3, #1	; 0x1
    1194:	e50b3028 	str	r3, [fp, #-40]
    1198:	eafffff5 	b	0x1174
    119c:	e51b2018 	ldr	r2, [fp, #-24]
    11a0:	e51b3028 	ldr	r3, [fp, #-40]
    11a4:	e0823003 	add	r3, r2, r3
    11a8:	e5d33000 	ldrb	r3, [r3]
    11ac:	e3530000 	cmp	r3, #0	; 0x0
    11b0:	1a000000 	bne	0x11b8
    11b4:	ea00002a 	b	0x1264
    11b8:	e51b2018 	ldr	r2, [fp, #-24]
    11bc:	e51b3028 	ldr	r3, [fp, #-40]
    11c0:	e0823003 	add	r3, r2, r3
    11c4:	e5d33000 	ldrb	r3, [r3]
    11c8:	e3530000 	cmp	r3, #0	; 0x0
    11cc:	0a000012 	beq	0x121c
    11d0:	e51b2018 	ldr	r2, [fp, #-24]
    11d4:	e51b3028 	ldr	r3, [fp, #-40]
    11d8:	e0823003 	add	r3, r2, r3
    11dc:	e5d33000 	ldrb	r3, [r3]
    11e0:	e3530020 	cmp	r3, #32	; 0x20
    11e4:	0a00000c 	beq	0x121c
    11e8:	e51b1034 	ldr	r1, [fp, #-52]
    11ec:	e51b2018 	ldr	r2, [fp, #-24]
    11f0:	e51b3028 	ldr	r3, [fp, #-40]
    11f4:	e0823003 	add	r3, r2, r3
    11f8:	e5d33000 	ldrb	r3, [r3]
    11fc:	e5c13000 	strb	r3, [r1]
    1200:	e51b3034 	ldr	r3, [fp, #-52]
    1204:	e2833001 	add	r3, r3, #1	; 0x1
    1208:	e50b3034 	str	r3, [fp, #-52]
    120c:	e51b3028 	ldr	r3, [fp, #-40]
    1210:	e2833001 	add	r3, r3, #1	; 0x1
    1214:	e50b3028 	str	r3, [fp, #-40]
    1218:	eaffffe6 	b	0x11b8
    121c:	e51b2034 	ldr	r2, [fp, #-52]
    1220:	e3a03000 	mov	r3, #0	; 0x0
    1224:	e5c23000 	strb	r3, [r2]
    1228:	e51b3034 	ldr	r3, [fp, #-52]
    122c:	e2833004 	add	r3, r3, #4	; 0x4
    1230:	e3c33003 	bic	r3, r3, #3	; 0x3
    1234:	e50b3034 	str	r3, [fp, #-52]
    1238:	e51b2018 	ldr	r2, [fp, #-24]
    123c:	e51b3028 	ldr	r3, [fp, #-40]
    1240:	e0823003 	add	r3, r2, r3
    1244:	e5d33000 	ldrb	r3, [r3]
    1248:	e3530000 	cmp	r3, #0	; 0x0
    124c:	1a000000 	bne	0x1254
    1250:	ea000003 	b	0x1264
    1254:	e51b3020 	ldr	r3, [fp, #-32]
    1258:	e2833001 	add	r3, r3, #1	; 0x1
    125c:	e50b3020 	str	r3, [fp, #-32]
    1260:	eaffffb4 	b	0x1138
    1264:	e59f126c 	ldr	r1, [pc, #620]	; 0x14d8
    1268:	e51b2024 	ldr	r2, [fp, #-36]
    126c:	e1a03002 	mov	r3, r2
    1270:	e1a03303 	mov	r3, r3, lsl #6
    1274:	e0833002 	add	r3, r3, r2
    1278:	e1a03083 	mov	r3, r3, lsl #1
    127c:	e0833002 	add	r3, r3, r2
    1280:	e1a03183 	mov	r3, r3, lsl #3
    1284:	e0833002 	add	r3, r3, r2
    1288:	e1a03103 	mov	r3, r3, lsl #2
    128c:	e0832001 	add	r2, r3, r1
    1290:	e51b3024 	ldr	r3, [fp, #-36]
    1294:	e5823000 	str	r3, [r2]
    1298:	e59f0238 	ldr	r0, [pc, #568]	; 0x14d8
    129c:	e51b2024 	ldr	r2, [fp, #-36]
    12a0:	e3a01004 	mov	r1, #4	; 0x4
    12a4:	e1a03002 	mov	r3, r2
    12a8:	e1a03303 	mov	r3, r3, lsl #6
    12ac:	e0833002 	add	r3, r3, r2
    12b0:	e1a03083 	mov	r3, r3, lsl #1
    12b4:	e0833002 	add	r3, r3, r2
    12b8:	e1a03183 	mov	r3, r3, lsl #3
    12bc:	e0833002 	add	r3, r3, r2
    12c0:	e1a03103 	mov	r3, r3, lsl #2
    12c4:	e0833000 	add	r3, r3, r0
    12c8:	e0832001 	add	r2, r3, r1
    12cc:	e3a03000 	mov	r3, #0	; 0x0
    12d0:	e5823000 	str	r3, [r2]
    12d4:	e59f01fc 	ldr	r0, [pc, #508]	; 0x14d8
    12d8:	e51b2024 	ldr	r2, [fp, #-36]
    12dc:	e3a01008 	mov	r1, #8	; 0x8
    12e0:	e1a03002 	mov	r3, r2
    12e4:	e1a03303 	mov	r3, r3, lsl #6
    12e8:	e0833002 	add	r3, r3, r2
    12ec:	e1a03083 	mov	r3, r3, lsl #1
    12f0:	e0833002 	add	r3, r3, r2
    12f4:	e1a03183 	mov	r3, r3, lsl #3
    12f8:	e0833002 	add	r3, r3, r2
    12fc:	e1a03103 	mov	r3, r3, lsl #2
    1300:	e0833000 	add	r3, r3, r0
    1304:	e0832001 	add	r2, r3, r1
    1308:	e3a0300f 	mov	r3, #15	; 0xf
    130c:	e5823000 	str	r3, [r2]
    1310:	e59f01c0 	ldr	r0, [pc, #448]	; 0x14d8
    1314:	e51b2024 	ldr	r2, [fp, #-36]
    1318:	e3a01010 	mov	r1, #16	; 0x10
    131c:	e1a03002 	mov	r3, r2
    1320:	e1a03303 	mov	r3, r3, lsl #6
    1324:	e0833002 	add	r3, r3, r2
    1328:	e1a03083 	mov	r3, r3, lsl #1
    132c:	e0833002 	add	r3, r3, r2
    1330:	e1a03183 	mov	r3, r3, lsl #3
    1334:	e0833002 	add	r3, r3, r2
    1338:	e1a03103 	mov	r3, r3, lsl #2
    133c:	e0833000 	add	r3, r3, r0
    1340:	e0832001 	add	r2, r3, r1
    1344:	e51b301c 	ldr	r3, [fp, #-28]
    1348:	e5823000 	str	r3, [r2]
    134c:	e59f0184 	ldr	r0, [pc, #388]	; 0x14d8
    1350:	e51b2024 	ldr	r2, [fp, #-36]
    1354:	e3a01014 	mov	r1, #20	; 0x14
    1358:	e1a03002 	mov	r3, r2
    135c:	e1a03303 	mov	r3, r3, lsl #6
    1360:	e0833002 	add	r3, r3, r2
    1364:	e1a03083 	mov	r3, r3, lsl #1
    1368:	e0833002 	add	r3, r3, r2
    136c:	e1a03183 	mov	r3, r3, lsl #3
    1370:	e0833002 	add	r3, r3, r2
    1374:	e1a03103 	mov	r3, r3, lsl #2
    1378:	e0833000 	add	r3, r3, r0
    137c:	e0831001 	add	r1, r3, r1
    1380:	e51b2024 	ldr	r2, [fp, #-36]
    1384:	e1a03002 	mov	r3, r2
    1388:	e1a03303 	mov	r3, r3, lsl #6
    138c:	e0833002 	add	r3, r3, r2
    1390:	e1a03083 	mov	r3, r3, lsl #1
    1394:	e0833002 	add	r3, r3, r2
    1398:	e1a03183 	mov	r3, r3, lsl #3
    139c:	e0833002 	add	r3, r3, r2
    13a0:	e1a02103 	mov	r2, r3, lsl #2
    13a4:	e59f3130 	ldr	r3, [pc, #304]	; 0x14dc
    13a8:	e0823003 	add	r3, r2, r3
    13ac:	e5813000 	str	r3, [r1]
    13b0:	e59f0120 	ldr	r0, [pc, #288]	; 0x14d8
    13b4:	e51b2024 	ldr	r2, [fp, #-36]
    13b8:	e3a01018 	mov	r1, #24	; 0x18
    13bc:	e1a03002 	mov	r3, r2
    13c0:	e1a03303 	mov	r3, r3, lsl #6
    13c4:	e0833002 	add	r3, r3, r2
    13c8:	e1a03083 	mov	r3, r3, lsl #1
    13cc:	e0833002 	add	r3, r3, r2
    13d0:	e1a03183 	mov	r3, r3, lsl #3
    13d4:	e0833002 	add	r3, r3, r2
    13d8:	e1a03103 	mov	r3, r3, lsl #2
    13dc:	e0833000 	add	r3, r3, r0
    13e0:	e0832001 	add	r2, r3, r1
    13e4:	e3a0305f 	mov	r3, #95	; 0x5f
    13e8:	e5823000 	str	r3, [r2]
    13ec:	e59f00e4 	ldr	r0, [pc, #228]	; 0x14d8
    13f0:	e51b2024 	ldr	r2, [fp, #-36]
    13f4:	e3a0101c 	mov	r1, #28	; 0x1c
    13f8:	e1a03002 	mov	r3, r2
    13fc:	e1a03303 	mov	r3, r3, lsl #6
    1400:	e0833002 	add	r3, r3, r2
    1404:	e1a03083 	mov	r3, r3, lsl #1
    1408:	e0833002 	add	r3, r3, r2
    140c:	e1a03183 	mov	r3, r3, lsl #3
    1410:	e0833002 	add	r3, r3, r2
    1414:	e1a03103 	mov	r3, r3, lsl #2
    1418:	e0833000 	add	r3, r3, r0
    141c:	e0832001 	add	r2, r3, r1
    1420:	e3a03aff 	mov	r3, #1044480	; 0xff000
    1424:	e2833b03 	add	r3, r3, #3072	; 0xc00
    1428:	e5823000 	str	r3, [r2]
    142c:	e59f00a4 	ldr	r0, [pc, #164]	; 0x14d8
    1430:	e51b2024 	ldr	r2, [fp, #-36]
    1434:	e3a01020 	mov	r1, #32	; 0x20
    1438:	e1a03002 	mov	r3, r2
    143c:	e1a03303 	mov	r3, r3, lsl #6
    1440:	e0833002 	add	r3, r3, r2
    1444:	e1a03083 	mov	r3, r3, lsl #1
    1448:	e0833002 	add	r3, r3, r2
    144c:	e1a03183 	mov	r3, r3, lsl #3
    1450:	e0833002 	add	r3, r3, r2
    1454:	e1a03103 	mov	r3, r3, lsl #2
    1458:	e0833000 	add	r3, r3, r0
    145c:	e0832001 	add	r2, r3, r1
    1460:	e3a03013 	mov	r3, #19	; 0x13
    1464:	e5823000 	str	r3, [r2]
    1468:	e59f0068 	ldr	r0, [pc, #104]	; 0x14d8
    146c:	e51b2024 	ldr	r2, [fp, #-36]
    1470:	e3a01058 	mov	r1, #88	; 0x58
    1474:	e1a03002 	mov	r3, r2
    1478:	e1a03303 	mov	r3, r3, lsl #6
    147c:	e0833002 	add	r3, r3, r2
    1480:	e1a03083 	mov	r3, r3, lsl #1
    1484:	e0833002 	add	r3, r3, r2
    1488:	e1a03183 	mov	r3, r3, lsl #3
    148c:	e0833002 	add	r3, r3, r2
    1490:	e1a03103 	mov	r3, r3, lsl #2
    1494:	e0833000 	add	r3, r3, r0
    1498:	e0832001 	add	r2, r3, r1
    149c:	e3a03000 	mov	r3, #0	; 0x0
    14a0:	e5823000 	str	r3, [r2]
    14a4:	eb0000a7 	bl	0x1748
    14a8:	e3a03001 	mov	r3, #1	; 0x1
    14ac:	e50b3038 	str	r3, [fp, #-56]
    14b0:	ea000005 	b	0x14cc
    14b4:	e51b3020 	ldr	r3, [fp, #-32]
    14b8:	e2833001 	add	r3, r3, #1	; 0x1
    14bc:	e50b3020 	str	r3, [fp, #-32]
    14c0:	eafffe84 	b	0xed8
    14c4:	e3a03000 	mov	r3, #0	; 0x0
    14c8:	e50b3038 	str	r3, [fp, #-56]
    14cc:	e51b0038 	ldr	r0, [fp, #-56]
    14d0:	e24bd00c 	sub	sp, fp, #12	; 0xc
    14d4:	e89da800 	ldmia	sp, {fp, sp, pc}
    14d8:	30005d70 	andcc	r5, r0, r0, ror sp
    14dc:	30006dd4 	ldrccd	r6, [r0], -r4
    14e0:	e1a0c00d 	mov	ip, sp
    14e4:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
    14e8:	e24cb004 	sub	fp, ip, #4	; 0x4
    14ec:	e24dd004 	sub	sp, sp, #4	; 0x4
    14f0:	e50b0010 	str	r0, [fp, #-16]
    14f4:	e59f3018 	ldr	r3, [pc, #24]	; 0x1514
    14f8:	e5932000 	ldr	r2, [r3]
    14fc:	e3e03000 	mvn	r3, #0	; 0x0
    1500:	e5823004 	str	r3, [r2, #4]
    1504:	ebfffd36 	bl	0x9e4
    1508:	e3a03000 	mov	r3, #0	; 0x0
    150c:	e1a00003 	mov	r0, r3
    1510:	e89da808 	ldmia	sp, {r3, fp, sp, pc}
    1514:	30005d6c 	andcc	r5, r0, ip, ror #26
    1518:	e1a0c00d 	mov	ip, sp
    151c:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
    1520:	e24cb004 	sub	fp, ip, #4	; 0x4
    1524:	e24dd004 	sub	sp, sp, #4	; 0x4
    1528:	e50b0010 	str	r0, [fp, #-16]
    152c:	e59f3028 	ldr	r3, [pc, #40]	; 0x155c
    1530:	e5932000 	ldr	r2, [r3]
    1534:	e3a03005 	mov	r3, #5	; 0x5