
rv64ui-v-simple:     file format elf64-littleriscv


Disassembly of section .text.init:

0000000080000000 <_start>:
    80000000:	00c0006f          	j	8000000c <handle_reset>

0000000080000004 <nmi_vector>:
    80000004:	3f40206f          	j	800023f8 <wtf>

0000000080000008 <trap_vector>:
    80000008:	3f00206f          	j	800023f8 <wtf>

000000008000000c <handle_reset>:
    8000000c:	00000093          	li	ra,0
    80000010:	00000113          	li	sp,0
    80000014:	00000193          	li	gp,0
    80000018:	00000213          	li	tp,0
    8000001c:	00000293          	li	t0,0
    80000020:	00000313          	li	t1,0
    80000024:	00000393          	li	t2,0
    80000028:	00000413          	li	s0,0
    8000002c:	00000493          	li	s1,0
    80000030:	00000513          	li	a0,0
    80000034:	00000593          	li	a1,0
    80000038:	00000613          	li	a2,0
    8000003c:	00000693          	li	a3,0
    80000040:	00000713          	li	a4,0
    80000044:	00000793          	li	a5,0
    80000048:	00000813          	li	a6,0
    8000004c:	00000893          	li	a7,0
    80000050:	00000913          	li	s2,0
    80000054:	00000993          	li	s3,0
    80000058:	00000a13          	li	s4,0
    8000005c:	00000a93          	li	s5,0
    80000060:	00000b13          	li	s6,0
    80000064:	00000b93          	li	s7,0
    80000068:	00000c13          	li	s8,0
    8000006c:	00000c93          	li	s9,0
    80000070:	00000d13          	li	s10,0
    80000074:	00000d93          	li	s11,0
    80000078:	00000e13          	li	t3,0
    8000007c:	00000e93          	li	t4,0
    80000080:	00000f13          	li	t5,0
    80000084:	00000f93          	li	t6,0
    80000088:	00000297          	auipc	t0,0x0
    8000008c:	f8028293          	addi	t0,t0,-128 # 80000008 <trap_vector>
    80000090:	30529073          	csrw	mtvec,t0
    80000094:	00008117          	auipc	sp,0x8
    80000098:	63c10113          	addi	sp,sp,1596 # 800086d0 <_end+0xee0>
    8000009c:	f14022f3          	csrr	t0,mhartid
    800000a0:	00c29293          	slli	t0,t0,0xc
    800000a4:	00510133          	add	sp,sp,t0
    800000a8:	34011073          	csrw	mscratch,sp
    800000ac:	055020ef          	jal	ra,80002900 <extra_boot>
    800000b0:	00003517          	auipc	a0,0x3
    800000b4:	85450513          	addi	a0,a0,-1964 # 80002904 <userstart>
    800000b8:	6440206f          	j	800026fc <vm_boot>

00000000800000bc <pop_tf>:
    800000bc:	10853283          	ld	t0,264(a0)
    800000c0:	14129073          	csrw	sepc,t0
    800000c4:	00853083          	ld	ra,8(a0)
    800000c8:	01053103          	ld	sp,16(a0)
    800000cc:	01853183          	ld	gp,24(a0)
    800000d0:	02053203          	ld	tp,32(a0)
    800000d4:	02853283          	ld	t0,40(a0)
    800000d8:	03053303          	ld	t1,48(a0)
    800000dc:	03853383          	ld	t2,56(a0)
    800000e0:	04053403          	ld	s0,64(a0)
    800000e4:	04853483          	ld	s1,72(a0)
    800000e8:	05853583          	ld	a1,88(a0)
    800000ec:	06053603          	ld	a2,96(a0)
    800000f0:	06853683          	ld	a3,104(a0)
    800000f4:	07053703          	ld	a4,112(a0)
    800000f8:	07853783          	ld	a5,120(a0)
    800000fc:	08053803          	ld	a6,128(a0)
    80000100:	08853883          	ld	a7,136(a0)
    80000104:	09053903          	ld	s2,144(a0)
    80000108:	09853983          	ld	s3,152(a0)
    8000010c:	0a053a03          	ld	s4,160(a0)
    80000110:	0a853a83          	ld	s5,168(a0)
    80000114:	0b053b03          	ld	s6,176(a0)
    80000118:	0b853b83          	ld	s7,184(a0)
    8000011c:	0c053c03          	ld	s8,192(a0)
    80000120:	0c853c83          	ld	s9,200(a0)
    80000124:	0d053d03          	ld	s10,208(a0)
    80000128:	0d853d83          	ld	s11,216(a0)
    8000012c:	0e053e03          	ld	t3,224(a0)
    80000130:	0e853e83          	ld	t4,232(a0)
    80000134:	0f053f03          	ld	t5,240(a0)
    80000138:	0f853f83          	ld	t6,248(a0)
    8000013c:	05053503          	ld	a0,80(a0)
    80000140:	10200073          	sret

0000000080000144 <trap_entry>:
    80000144:	14011173          	csrrw	sp,sscratch,sp
    80000148:	00113423          	sd	ra,8(sp)
    8000014c:	00313c23          	sd	gp,24(sp)
    80000150:	02413023          	sd	tp,32(sp)
    80000154:	02513423          	sd	t0,40(sp)
    80000158:	02613823          	sd	t1,48(sp)
    8000015c:	02713c23          	sd	t2,56(sp)
    80000160:	04813023          	sd	s0,64(sp)
    80000164:	04913423          	sd	s1,72(sp)
    80000168:	04a13823          	sd	a0,80(sp)
    8000016c:	04b13c23          	sd	a1,88(sp)
    80000170:	06c13023          	sd	a2,96(sp)
    80000174:	06d13423          	sd	a3,104(sp)
    80000178:	06e13823          	sd	a4,112(sp)
    8000017c:	06f13c23          	sd	a5,120(sp)
    80000180:	09013023          	sd	a6,128(sp)
    80000184:	09113423          	sd	a7,136(sp)
    80000188:	09213823          	sd	s2,144(sp)
    8000018c:	09313c23          	sd	s3,152(sp)
    80000190:	0b413023          	sd	s4,160(sp)
    80000194:	0b513423          	sd	s5,168(sp)
    80000198:	0b613823          	sd	s6,176(sp)
    8000019c:	0b713c23          	sd	s7,184(sp)
    800001a0:	0d813023          	sd	s8,192(sp)
    800001a4:	0d913423          	sd	s9,200(sp)
    800001a8:	0da13823          	sd	s10,208(sp)
    800001ac:	0db13c23          	sd	s11,216(sp)
    800001b0:	0fc13023          	sd	t3,224(sp)
    800001b4:	0fd13423          	sd	t4,232(sp)
    800001b8:	0fe13823          	sd	t5,240(sp)
    800001bc:	0ff13c23          	sd	t6,248(sp)
    800001c0:	140112f3          	csrrw	t0,sscratch,sp
    800001c4:	00513823          	sd	t0,16(sp)
    800001c8:	100022f3          	csrr	t0,sstatus
    800001cc:	10513023          	sd	t0,256(sp)
    800001d0:	141022f3          	csrr	t0,sepc
    800001d4:	10513423          	sd	t0,264(sp)
    800001d8:	143022f3          	csrr	t0,stval
    800001dc:	10513823          	sd	t0,272(sp)
    800001e0:	142022f3          	csrr	t0,scause
    800001e4:	10513c23          	sd	t0,280(sp)
    800001e8:	00010513          	mv	a0,sp
    800001ec:	2a80206f          	j	80002494 <handle_trap>

Disassembly of section .text:

0000000080002000 <memcpy>:
    80002000:	00c5e7b3          	or	a5,a1,a2
    80002004:	00f567b3          	or	a5,a0,a5
    80002008:	0077f793          	andi	a5,a5,7
    8000200c:	00c506b3          	add	a3,a0,a2
    80002010:	02078463          	beqz	a5,80002038 <memcpy+0x38>
    80002014:	00c58633          	add	a2,a1,a2
    80002018:	00050793          	mv	a5,a0
    8000201c:	02d57e63          	bgeu	a0,a3,80002058 <memcpy+0x58>
    80002020:	0005c703          	lbu	a4,0(a1)
    80002024:	00158593          	addi	a1,a1,1
    80002028:	00178793          	addi	a5,a5,1
    8000202c:	fee78fa3          	sb	a4,-1(a5)
    80002030:	fec598e3          	bne	a1,a2,80002020 <memcpy+0x20>
    80002034:	00008067          	ret
    80002038:	fed57ee3          	bgeu	a0,a3,80002034 <memcpy+0x34>
    8000203c:	00050793          	mv	a5,a0
    80002040:	0005b703          	ld	a4,0(a1)
    80002044:	00878793          	addi	a5,a5,8
    80002048:	00858593          	addi	a1,a1,8
    8000204c:	fee7bc23          	sd	a4,-8(a5)
    80002050:	fed7e8e3          	bltu	a5,a3,80002040 <memcpy+0x40>
    80002054:	00008067          	ret
    80002058:	00008067          	ret

000000008000205c <memset>:
    8000205c:	ff010113          	addi	sp,sp,-16
    80002060:	00c567b3          	or	a5,a0,a2
    80002064:	00813023          	sd	s0,0(sp)
    80002068:	00113423          	sd	ra,8(sp)
    8000206c:	0077f793          	andi	a5,a5,7
    80002070:	00050413          	mv	s0,a0
    80002074:	00c50733          	add	a4,a0,a2
    80002078:	02078263          	beqz	a5,8000209c <memset+0x40>
    8000207c:	00e57663          	bgeu	a0,a4,80002088 <memset+0x2c>
    80002080:	0ff5f593          	zext.b	a1,a1
    80002084:	fd9ff0ef          	jal	ra,8000205c <memset>
    80002088:	00813083          	ld	ra,8(sp)
    8000208c:	00040513          	mv	a0,s0
    80002090:	00013403          	ld	s0,0(sp)
    80002094:	01010113          	addi	sp,sp,16
    80002098:	00008067          	ret
    8000209c:	0ff5f593          	zext.b	a1,a1
    800020a0:	00859693          	slli	a3,a1,0x8
    800020a4:	00b6e5b3          	or	a1,a3,a1
    800020a8:	01059693          	slli	a3,a1,0x10
    800020ac:	00b6e5b3          	or	a1,a3,a1
    800020b0:	02059693          	slli	a3,a1,0x20
    800020b4:	00b6e6b3          	or	a3,a3,a1
    800020b8:	fce578e3          	bgeu	a0,a4,80002088 <memset+0x2c>
    800020bc:	00050793          	mv	a5,a0
    800020c0:	00878793          	addi	a5,a5,8
    800020c4:	fed7bc23          	sd	a3,-8(a5)
    800020c8:	fee7ece3          	bltu	a5,a4,800020c0 <memset+0x64>
    800020cc:	00813083          	ld	ra,8(sp)
    800020d0:	00040513          	mv	a0,s0
    800020d4:	00013403          	ld	s0,0(sp)
    800020d8:	01010113          	addi	sp,sp,16
    800020dc:	00008067          	ret

00000000800020e0 <strlen>:
    800020e0:	00054783          	lbu	a5,0(a0)
    800020e4:	00078e63          	beqz	a5,80002100 <strlen+0x20>
    800020e8:	00050793          	mv	a5,a0
    800020ec:	0017c703          	lbu	a4,1(a5)
    800020f0:	00178793          	addi	a5,a5,1
    800020f4:	fe071ce3          	bnez	a4,800020ec <strlen+0xc>
    800020f8:	40a78533          	sub	a0,a5,a0
    800020fc:	00008067          	ret
    80002100:	00000513          	li	a0,0
    80002104:	00008067          	ret

0000000080002108 <strcmp>:
    80002108:	00054783          	lbu	a5,0(a0)
    8000210c:	00158593          	addi	a1,a1,1
    80002110:	00150513          	addi	a0,a0,1
    80002114:	fff5c703          	lbu	a4,-1(a1)
    80002118:	00078a63          	beqz	a5,8000212c <strcmp+0x24>
    8000211c:	fee786e3          	beq	a5,a4,80002108 <strcmp>
    80002120:	0007851b          	sext.w	a0,a5
    80002124:	40e5053b          	subw	a0,a0,a4
    80002128:	00008067          	ret
    8000212c:	00000513          	li	a0,0
    80002130:	ff5ff06f          	j	80002124 <strcmp+0x1c>

0000000080002134 <memcmp>:
    80002134:	00b567b3          	or	a5,a0,a1
    80002138:	0077f793          	andi	a5,a5,7
    8000213c:	02079e63          	bnez	a5,80002178 <memcmp+0x44>
    80002140:	ff867813          	andi	a6,a2,-8
    80002144:	01050833          	add	a6,a0,a6
    80002148:	03057863          	bgeu	a0,a6,80002178 <memcmp+0x44>
    8000214c:	00050793          	mv	a5,a0
    80002150:	0100006f          	j	80002160 <memcmp+0x2c>
    80002154:	00878793          	addi	a5,a5,8
    80002158:	00858593          	addi	a1,a1,8
    8000215c:	0107f863          	bgeu	a5,a6,8000216c <memcmp+0x38>
    80002160:	0007b683          	ld	a3,0(a5)
    80002164:	0005b703          	ld	a4,0(a1)
    80002168:	fee686e3          	beq	a3,a4,80002154 <memcmp+0x20>
    8000216c:	40a78533          	sub	a0,a5,a0
    80002170:	40a60633          	sub	a2,a2,a0
    80002174:	00078513          	mv	a0,a5
    80002178:	00c58633          	add	a2,a1,a2
    8000217c:	0140006f          	j	80002190 <memcmp+0x5c>
    80002180:	0005c703          	lbu	a4,0(a1)
    80002184:	fff54783          	lbu	a5,-1(a0)
    80002188:	00158593          	addi	a1,a1,1
    8000218c:	00e79a63          	bne	a5,a4,800021a0 <memcmp+0x6c>
    80002190:	00150513          	addi	a0,a0,1
    80002194:	fec596e3          	bne	a1,a2,80002180 <memcmp+0x4c>
    80002198:	00000513          	li	a0,0
    8000219c:	00008067          	ret
    800021a0:	40e7853b          	subw	a0,a5,a4
    800021a4:	00008067          	ret

00000000800021a8 <strcpy>:
    800021a8:	00050793          	mv	a5,a0
    800021ac:	0005c703          	lbu	a4,0(a1)
    800021b0:	00178793          	addi	a5,a5,1
    800021b4:	00158593          	addi	a1,a1,1
    800021b8:	fee78fa3          	sb	a4,-1(a5)
    800021bc:	fe0718e3          	bnez	a4,800021ac <strcpy+0x4>
    800021c0:	00008067          	ret

00000000800021c4 <atol>:
    800021c4:	00054703          	lbu	a4,0(a0)
    800021c8:	02000693          	li	a3,32
    800021cc:	00050793          	mv	a5,a0
    800021d0:	00d71863          	bne	a4,a3,800021e0 <atol+0x1c>
    800021d4:	0017c703          	lbu	a4,1(a5)
    800021d8:	00178793          	addi	a5,a5,1
    800021dc:	fed70ce3          	beq	a4,a3,800021d4 <atol+0x10>
    800021e0:	02d00693          	li	a3,45
    800021e4:	06d70063          	beq	a4,a3,80002244 <atol+0x80>
    800021e8:	02b00693          	li	a3,43
    800021ec:	04d70063          	beq	a4,a3,8000222c <atol+0x68>
    800021f0:	0007c683          	lbu	a3,0(a5)
    800021f4:	00000593          	li	a1,0
    800021f8:	04068263          	beqz	a3,8000223c <atol+0x78>
    800021fc:	00000513          	li	a0,0
    80002200:	00178793          	addi	a5,a5,1
    80002204:	fd06861b          	addiw	a2,a3,-48
    80002208:	00251713          	slli	a4,a0,0x2
    8000220c:	0007c683          	lbu	a3,0(a5)
    80002210:	00a70533          	add	a0,a4,a0
    80002214:	00151513          	slli	a0,a0,0x1
    80002218:	00a60533          	add	a0,a2,a0
    8000221c:	fe0692e3          	bnez	a3,80002200 <atol+0x3c>
    80002220:	02058063          	beqz	a1,80002240 <atol+0x7c>
    80002224:	40a00533          	neg	a0,a0
    80002228:	00008067          	ret
    8000222c:	0017c683          	lbu	a3,1(a5)
    80002230:	00000593          	li	a1,0
    80002234:	00178793          	addi	a5,a5,1
    80002238:	fc0692e3          	bnez	a3,800021fc <atol+0x38>
    8000223c:	00000513          	li	a0,0
    80002240:	00008067          	ret
    80002244:	0017c683          	lbu	a3,1(a5)
    80002248:	00100593          	li	a1,1
    8000224c:	00178793          	addi	a5,a5,1
    80002250:	fa0696e3          	bnez	a3,800021fc <atol+0x38>
    80002254:	00000513          	li	a0,0
    80002258:	fe9ff06f          	j	80002240 <atol+0x7c>

000000008000225c <handle_fault.part.0>:
    8000225c:	00c55693          	srli	a3,a0,0xc
    80002260:	60068813          	addi	a6,a3,1536
    80002264:	00001617          	auipc	a2,0x1
    80002268:	d9c60613          	addi	a2,a2,-612 # 80003000 <pt>
    8000226c:	00381793          	slli	a5,a6,0x3
    80002270:	00f607b3          	add	a5,a2,a5
    80002274:	0007b703          	ld	a4,0(a5)
    80002278:	fffff8b7          	lui	a7,0xfffff
    8000227c:	01157533          	and	a0,a0,a7
    80002280:	02070a63          	beqz	a4,800022b4 <handle_fault.part.0+0x58>
    80002284:	04077693          	andi	a3,a4,64
    80002288:	0a068463          	beqz	a3,80002330 <handle_fault.part.0+0xd4>
    8000228c:	08077693          	andi	a3,a4,128
    80002290:	0a068863          	beqz	a3,80002340 <handle_fault.part.0+0xe4>
    80002294:	07300713          	li	a4,115
    80002298:	00000797          	auipc	a5,0x0
    8000229c:	67878793          	addi	a5,a5,1656 # 80002910 <userstart+0xc>
    800022a0:	0080006f          	j	800022a8 <handle_fault.part.0+0x4c>
    800022a4:	0017c703          	lbu	a4,1(a5)
    800022a8:	00178793          	addi	a5,a5,1
    800022ac:	fe071ce3          	bnez	a4,800022a4 <handle_fault.part.0+0x48>
    800022b0:	0000006f          	j	800022b0 <handle_fault.part.0+0x54>
    800022b4:	00005717          	auipc	a4,0x5
    800022b8:	53470713          	addi	a4,a4,1332 # 800077e8 <freelist_head>
    800022bc:	00073783          	ld	a5,0(a4)
    800022c0:	08078a63          	beqz	a5,80002354 <handle_fault.part.0+0xf8>
    800022c4:	0087b583          	ld	a1,8(a5)
    800022c8:	00005897          	auipc	a7,0x5
    800022cc:	5188b883          	ld	a7,1304(a7) # 800077e0 <freelist_tail>
    800022d0:	00b73023          	sd	a1,0(a4)
    800022d4:	11158c63          	beq	a1,a7,800023ec <handle_fault.part.0+0x190>
    800022d8:	0007b703          	ld	a4,0(a5)
    800022dc:	00381593          	slli	a1,a6,0x3
    800022e0:	00b605b3          	add	a1,a2,a1
    800022e4:	00c75713          	srli	a4,a4,0xc
    800022e8:	00a71713          	slli	a4,a4,0xa
    800022ec:	0df76893          	ori	a7,a4,223
    800022f0:	0115b023          	sd	a7,0(a1)
    800022f4:	12050073          	sfence.vma	a0
    800022f8:	00005597          	auipc	a1,0x5
    800022fc:	0f858593          	addi	a1,a1,248 # 800073f0 <user_mapping>
    80002300:	00469693          	slli	a3,a3,0x4
    80002304:	00d586b3          	add	a3,a1,a3
    80002308:	0006b583          	ld	a1,0(a3)
    8000230c:	06058463          	beqz	a1,80002374 <handle_fault.part.0+0x118>
    80002310:	07300713          	li	a4,115
    80002314:	00000797          	auipc	a5,0x0
    80002318:	65c78793          	addi	a5,a5,1628 # 80002970 <userstart+0x6c>
    8000231c:	0080006f          	j	80002324 <handle_fault.part.0+0xc8>
    80002320:	0017c703          	lbu	a4,1(a5)
    80002324:	00178793          	addi	a5,a5,1
    80002328:	fe071ce3          	bnez	a4,80002320 <handle_fault.part.0+0xc4>
    8000232c:	0000006f          	j	8000232c <handle_fault.part.0+0xd0>
    80002330:	04076713          	ori	a4,a4,64
    80002334:	00e7b023          	sd	a4,0(a5)
    80002338:	12050073          	sfence.vma	a0
    8000233c:	00008067          	ret
    80002340:	00f00693          	li	a3,15
    80002344:	f4d598e3          	bne	a1,a3,80002294 <handle_fault.part.0+0x38>
    80002348:	08076713          	ori	a4,a4,128
    8000234c:	00e7b023          	sd	a4,0(a5)
    80002350:	fe9ff06f          	j	80002338 <handle_fault.part.0+0xdc>
    80002354:	07300713          	li	a4,115
    80002358:	00000797          	auipc	a5,0x0
    8000235c:	60078793          	addi	a5,a5,1536 # 80002958 <userstart+0x54>
    80002360:	0080006f          	j	80002368 <handle_fault.part.0+0x10c>
    80002364:	0017c703          	lbu	a4,1(a5)
    80002368:	00178793          	addi	a5,a5,1
    8000236c:	fe071ce3          	bnez	a4,80002364 <handle_fault.part.0+0x108>
    80002370:	0000006f          	j	80002370 <handle_fault.part.0+0x114>
    80002374:	0007b583          	ld	a1,0(a5)
    80002378:	00040f37          	lui	t5,0x40
    8000237c:	00b6b023          	sd	a1,0(a3)
    80002380:	0087b783          	ld	a5,8(a5)
    80002384:	00f6b423          	sd	a5,8(a3)
    80002388:	100f2f73          	csrrs	t5,sstatus,t5
    8000238c:	ffe007b7          	lui	a5,0xffe00
    80002390:	00f507b3          	add	a5,a0,a5
    80002394:	00001eb7          	lui	t4,0x1
    80002398:	00050693          	mv	a3,a0
    8000239c:	01d78eb3          	add	t4,a5,t4
    800023a0:	0007be03          	ld	t3,0(a5) # ffffffffffe00000 <_end+0xffffffff7fdf8810>
    800023a4:	0087b303          	ld	t1,8(a5)
    800023a8:	0107b883          	ld	a7,16(a5)
    800023ac:	0187b583          	ld	a1,24(a5)
    800023b0:	01c6b023          	sd	t3,0(a3)
    800023b4:	0066b423          	sd	t1,8(a3)
    800023b8:	0116b823          	sd	a7,16(a3)
    800023bc:	00b6bc23          	sd	a1,24(a3)
    800023c0:	02078793          	addi	a5,a5,32
    800023c4:	02068693          	addi	a3,a3,32
    800023c8:	fdd79ce3          	bne	a5,t4,800023a0 <handle_fault.part.0+0x144>
    800023cc:	100f1073          	csrw	sstatus,t5
    800023d0:	00381813          	slli	a6,a6,0x3
    800023d4:	01060633          	add	a2,a2,a6
    800023d8:	01f76713          	ori	a4,a4,31
    800023dc:	00e63023          	sd	a4,0(a2)
    800023e0:	12050073          	sfence.vma	a0
    800023e4:	0000100f          	fence.i
    800023e8:	00008067          	ret
    800023ec:	00005717          	auipc	a4,0x5
    800023f0:	3e073a23          	sd	zero,1012(a4) # 800077e0 <freelist_tail>
    800023f4:	ee5ff06f          	j	800022d8 <handle_fault.part.0+0x7c>

00000000800023f8 <wtf>:
    800023f8:	0000006f          	j	800023f8 <wtf>

00000000800023fc <printhex>:
    800023fc:	fe010113          	addi	sp,sp,-32
    80002400:	00810613          	addi	a2,sp,8
    80002404:	01710693          	addi	a3,sp,23
    80002408:	00900813          	li	a6,9
    8000240c:	0080006f          	j	80002414 <printhex+0x18>
    80002410:	00078693          	mv	a3,a5
    80002414:	00f57713          	andi	a4,a0,15
    80002418:	00070793          	mv	a5,a4
    8000241c:	03000593          	li	a1,48
    80002420:	00e87463          	bgeu	a6,a4,80002428 <printhex+0x2c>
    80002424:	05700593          	li	a1,87
    80002428:	00b787bb          	addw	a5,a5,a1
    8000242c:	00f68023          	sb	a5,0(a3)
    80002430:	00455513          	srli	a0,a0,0x4
    80002434:	fff68793          	addi	a5,a3,-1
    80002438:	fcd61ce3          	bne	a2,a3,80002410 <printhex+0x14>
    8000243c:	00814783          	lbu	a5,8(sp)
    80002440:	00010c23          	sb	zero,24(sp)
    80002444:	00078a63          	beqz	a5,80002458 <printhex+0x5c>
    80002448:	00060793          	mv	a5,a2
    8000244c:	0017c703          	lbu	a4,1(a5)
    80002450:	00178793          	addi	a5,a5,1
    80002454:	fe071ce3          	bnez	a4,8000244c <printhex+0x50>
    80002458:	02010113          	addi	sp,sp,32
    8000245c:	00008067          	ret

0000000080002460 <handle_fault>:
    80002460:	fffff7b7          	lui	a5,0xfffff
    80002464:	00f507b3          	add	a5,a0,a5
    80002468:	0003e737          	lui	a4,0x3e
    8000246c:	02e7e263          	bltu	a5,a4,80002490 <handle_fault+0x30>
    80002470:	07300713          	li	a4,115
    80002474:	00000797          	auipc	a5,0x0
    80002478:	53c78793          	addi	a5,a5,1340 # 800029b0 <userstart+0xac>
    8000247c:	0080006f          	j	80002484 <handle_fault+0x24>
    80002480:	0017c703          	lbu	a4,1(a5)
    80002484:	00178793          	addi	a5,a5,1
    80002488:	fe071ce3          	bnez	a4,80002480 <handle_fault+0x20>
    8000248c:	0000006f          	j	8000248c <handle_fault+0x2c>
    80002490:	dcdff06f          	j	8000225c <handle_fault.part.0>

0000000080002494 <handle_trap>:
    80002494:	11853583          	ld	a1,280(a0)
    80002498:	f9010113          	addi	sp,sp,-112
    8000249c:	06113423          	sd	ra,104(sp)
    800024a0:	06813023          	sd	s0,96(sp)
    800024a4:	04913c23          	sd	s1,88(sp)
    800024a8:	05213823          	sd	s2,80(sp)
    800024ac:	05313423          	sd	s3,72(sp)
    800024b0:	05413023          	sd	s4,64(sp)
    800024b4:	03513c23          	sd	s5,56(sp)
    800024b8:	03613823          	sd	s6,48(sp)
    800024bc:	03713423          	sd	s7,40(sp)
    800024c0:	03813023          	sd	s8,32(sp)
    800024c4:	01913c23          	sd	s9,24(sp)
    800024c8:	01a13823          	sd	s10,16(sp)
    800024cc:	01b13423          	sd	s11,8(sp)
    800024d0:	00800793          	li	a5,8
    800024d4:	08f58263          	beq	a1,a5,80002558 <handle_trap+0xc4>
    800024d8:	00200793          	li	a5,2
    800024dc:	00050413          	mv	s0,a0
    800024e0:	02f58c63          	beq	a1,a5,80002518 <handle_trap+0x84>
    800024e4:	ff458793          	addi	a5,a1,-12
    800024e8:	00100713          	li	a4,1
    800024ec:	0ef77463          	bgeu	a4,a5,800025d4 <handle_trap+0x140>
    800024f0:	00f00693          	li	a3,15
    800024f4:	07300713          	li	a4,115
    800024f8:	00000797          	auipc	a5,0x0
    800024fc:	5c878793          	addi	a5,a5,1480 # 80002ac0 <userstart+0x1bc>
    80002500:	00d59663          	bne	a1,a3,8000250c <handle_trap+0x78>
    80002504:	0d00006f          	j	800025d4 <handle_trap+0x140>
    80002508:	0017c703          	lbu	a4,1(a5)
    8000250c:	00178793          	addi	a5,a5,1
    80002510:	fe071ce3          	bnez	a4,80002508 <handle_trap+0x74>
    80002514:	0000006f          	j	80002514 <handle_trap+0x80>
    80002518:	10853783          	ld	a5,264(a0)
    8000251c:	0037f713          	andi	a4,a5,3
    80002520:	0e071463          	bnez	a4,80002608 <handle_trap+0x174>
    80002524:	0080076f          	jal	a4,8000252c <handle_trap+0x98>
    80002528:	00301073          	fscsr	zero
    8000252c:	0007a603          	lw	a2,0(a5)
    80002530:	00072683          	lw	a3,0(a4) # 3e000 <_start-0x7ffc2000>
    80002534:	00000797          	auipc	a5,0x0
    80002538:	55c78793          	addi	a5,a5,1372 # 80002a90 <userstart+0x18c>
    8000253c:	07300713          	li	a4,115
    80002540:	00d61663          	bne	a2,a3,8000254c <handle_trap+0xb8>
    80002544:	0e40006f          	j	80002628 <handle_trap+0x194>
    80002548:	0017c703          	lbu	a4,1(a5)
    8000254c:	00178793          	addi	a5,a5,1
    80002550:	fe071ce3          	bnez	a4,80002548 <handle_trap+0xb4>
    80002554:	0000006f          	j	80002554 <handle_trap+0xc0>
    80002558:	000014b7          	lui	s1,0x1
    8000255c:	00005917          	auipc	s2,0x5
    80002560:	e9490913          	addi	s2,s2,-364 # 800073f0 <user_mapping>
    80002564:	00001997          	auipc	s3,0x1
    80002568:	a9c98993          	addi	s3,s3,-1380 # 80003000 <pt>
    8000256c:	00005a97          	auipc	s5,0x5
    80002570:	274a8a93          	addi	s5,s5,628 # 800077e0 <freelist_tail>
    80002574:	00005d17          	auipc	s10,0x5
    80002578:	274d0d13          	addi	s10,s10,628 # 800077e8 <freelist_head>
    8000257c:	00040bb7          	lui	s7,0x40
    80002580:	ffe00b37          	lui	s6,0xffe00
    80002584:	0003fa37          	lui	s4,0x3f
    80002588:	00c4d793          	srli	a5,s1,0xc
    8000258c:	00479413          	slli	s0,a5,0x4
    80002590:	60078713          	addi	a4,a5,1536
    80002594:	008907b3          	add	a5,s2,s0
    80002598:	0007b783          	ld	a5,0(a5)
    8000259c:	00371713          	slli	a4,a4,0x3
    800025a0:	00e98733          	add	a4,s3,a4
    800025a4:	12078e63          	beqz	a5,800026e0 <handle_trap+0x24c>
    800025a8:	00073c03          	ld	s8,0(a4)
    800025ac:	040c7793          	andi	a5,s8,64
    800025b0:	0c079063          	bnez	a5,80002670 <handle_trap+0x1dc>
    800025b4:	07300713          	li	a4,115
    800025b8:	00000797          	auipc	a5,0x0
    800025bc:	44078793          	addi	a5,a5,1088 # 800029f8 <userstart+0xf4>
    800025c0:	0080006f          	j	800025c8 <handle_trap+0x134>
    800025c4:	0017c703          	lbu	a4,1(a5)
    800025c8:	00178793          	addi	a5,a5,1
    800025cc:	fe071ce3          	bnez	a4,800025c4 <handle_trap+0x130>
    800025d0:	0000006f          	j	800025d0 <handle_trap+0x13c>
    800025d4:	11043503          	ld	a0,272(s0)
    800025d8:	fffff7b7          	lui	a5,0xfffff
    800025dc:	0003e737          	lui	a4,0x3e
    800025e0:	00f507b3          	add	a5,a0,a5
    800025e4:	04e7e463          	bltu	a5,a4,8000262c <handle_trap+0x198>
    800025e8:	07300713          	li	a4,115
    800025ec:	00000797          	auipc	a5,0x0
    800025f0:	3c478793          	addi	a5,a5,964 # 800029b0 <userstart+0xac>
    800025f4:	0080006f          	j	800025fc <handle_trap+0x168>
    800025f8:	0017c703          	lbu	a4,1(a5)
    800025fc:	00178793          	addi	a5,a5,1
    80002600:	fe071ce3          	bnez	a4,800025f8 <handle_trap+0x164>
    80002604:	0000006f          	j	80002604 <handle_trap+0x170>
    80002608:	07300713          	li	a4,115
    8000260c:	00000797          	auipc	a5,0x0
    80002610:	45c78793          	addi	a5,a5,1116 # 80002a68 <userstart+0x164>
    80002614:	0080006f          	j	8000261c <handle_trap+0x188>
    80002618:	0017c703          	lbu	a4,1(a5)
    8000261c:	00178793          	addi	a5,a5,1
    80002620:	fe071ce3          	bnez	a4,80002618 <handle_trap+0x184>
    80002624:	0000006f          	j	80002624 <handle_trap+0x190>
    80002628:	0000006f          	j	80002628 <handle_trap+0x194>
    8000262c:	c31ff0ef          	jal	ra,8000225c <handle_fault.part.0>
    80002630:	00040513          	mv	a0,s0
    80002634:	06013403          	ld	s0,96(sp)
    80002638:	06813083          	ld	ra,104(sp)
    8000263c:	05813483          	ld	s1,88(sp)
    80002640:	05013903          	ld	s2,80(sp)
    80002644:	04813983          	ld	s3,72(sp)
    80002648:	04013a03          	ld	s4,64(sp)
    8000264c:	03813a83          	ld	s5,56(sp)
    80002650:	03013b03          	ld	s6,48(sp)
    80002654:	02813b83          	ld	s7,40(sp)
    80002658:	02013c03          	ld	s8,32(sp)
    8000265c:	01813c83          	ld	s9,24(sp)
    80002660:	01013d03          	ld	s10,16(sp)
    80002664:	00813d83          	ld	s11,8(sp)
    80002668:	07010113          	addi	sp,sp,112
    8000266c:	a51fd06f          	j	800000bc <pop_tf>
    80002670:	100bacf3          	csrrs	s9,sstatus,s7
    80002674:	01648db3          	add	s11,s1,s6
    80002678:	00001637          	lui	a2,0x1
    8000267c:	000d8593          	mv	a1,s11
    80002680:	00048513          	mv	a0,s1
    80002684:	ab1ff0ef          	jal	ra,80002134 <memcmp>
    80002688:	080c7c13          	andi	s8,s8,128
    8000268c:	02050c63          	beqz	a0,800026c4 <handle_trap+0x230>
    80002690:	020c1263          	bnez	s8,800026b4 <handle_trap+0x220>
    80002694:	07300713          	li	a4,115
    80002698:	00000797          	auipc	a5,0x0
    8000269c:	39878793          	addi	a5,a5,920 # 80002a30 <userstart+0x12c>
    800026a0:	0080006f          	j	800026a8 <handle_trap+0x214>
    800026a4:	0017c703          	lbu	a4,1(a5)
    800026a8:	00178793          	addi	a5,a5,1
    800026ac:	fe071ce3          	bnez	a4,800026a4 <handle_trap+0x210>
    800026b0:	0000006f          	j	800026b0 <handle_trap+0x21c>
    800026b4:	00001637          	lui	a2,0x1
    800026b8:	000d8593          	mv	a1,s11
    800026bc:	00048513          	mv	a0,s1
    800026c0:	941ff0ef          	jal	ra,80002000 <memcpy>
    800026c4:	008907b3          	add	a5,s2,s0
    800026c8:	100c9073          	csrw	sstatus,s9
    800026cc:	000ab703          	ld	a4,0(s5)
    800026d0:	0007b023          	sd	zero,0(a5)
    800026d4:	00070e63          	beqz	a4,800026f0 <handle_trap+0x25c>
    800026d8:	00f73423          	sd	a5,8(a4) # 3e008 <_start-0x7ffc1ff8>
    800026dc:	00fab023          	sd	a5,0(s5)
    800026e0:	000017b7          	lui	a5,0x1
    800026e4:	00f484b3          	add	s1,s1,a5
    800026e8:	eb4490e3          	bne	s1,s4,80002588 <handle_trap+0xf4>
    800026ec:	0000006f          	j	800026ec <handle_trap+0x258>
    800026f0:	00fab023          	sd	a5,0(s5)
    800026f4:	00fd3023          	sd	a5,0(s10)
    800026f8:	fe9ff06f          	j	800026e0 <handle_trap+0x24c>

00000000800026fc <vm_boot>:
    800026fc:	f14027f3          	csrr	a5,mhartid
    80002700:	1a079863          	bnez	a5,800028b0 <vm_boot+0x1b4>
    80002704:	00003797          	auipc	a5,0x3
    80002708:	8fc78793          	addi	a5,a5,-1796 # 80005000 <pt+0x2000>
    8000270c:	00c7d793          	srli	a5,a5,0xc
    80002710:	00002597          	auipc	a1,0x2
    80002714:	8f058593          	addi	a1,a1,-1808 # 80004000 <pt+0x1000>
    80002718:	ed010113          	addi	sp,sp,-304
    8000271c:	00004817          	auipc	a6,0x4
    80002720:	8e480813          	addi	a6,a6,-1820 # 80006000 <pt+0x3000>
    80002724:	00a79793          	slli	a5,a5,0xa
    80002728:	12813023          	sd	s0,288(sp)
    8000272c:	12113423          	sd	ra,296(sp)
    80002730:	00c5d693          	srli	a3,a1,0xc
    80002734:	00c85713          	srli	a4,a6,0xc
    80002738:	0017e793          	ori	a5,a5,1
    8000273c:	00001897          	auipc	a7,0x1
    80002740:	8c488893          	addi	a7,a7,-1852 # 80003000 <pt>
    80002744:	00050413          	mv	s0,a0
    80002748:	fef5bc23          	sd	a5,-8(a1)
    8000274c:	fff00513          	li	a0,-1
    80002750:	00a69693          	slli	a3,a3,0xa
    80002754:	00a71713          	slli	a4,a4,0xa
    80002758:	200007b7          	lui	a5,0x20000
    8000275c:	0016e693          	ori	a3,a3,1
    80002760:	00176713          	ori	a4,a4,1
    80002764:	00c8d613          	srli	a2,a7,0xc
    80002768:	03f51313          	slli	t1,a0,0x3f
    8000276c:	0cf78793          	addi	a5,a5,207 # 200000cf <_start-0x5fffff31>
    80002770:	fef83c23          	sd	a5,-8(a6)
    80002774:	00d8b023          	sd	a3,0(a7)
    80002778:	00e5b023          	sd	a4,0(a1)
    8000277c:	006667b3          	or	a5,a2,t1
    80002780:	18079073          	csrw	satp,a5
    80002784:	18002773          	csrr	a4,satp
    80002788:	02e78263          	beq	a5,a4,800027ac <vm_boot+0xb0>
    8000278c:	07300713          	li	a4,115
    80002790:	00000797          	auipc	a5,0x0
    80002794:	36078793          	addi	a5,a5,864 # 80002af0 <userstart+0x1ec>
    80002798:	0080006f          	j	800027a0 <vm_boot+0xa4>
    8000279c:	0017c703          	lbu	a4,1(a5)
    800027a0:	00178793          	addi	a5,a5,1
    800027a4:	fe071ce3          	bnez	a4,8000279c <vm_boot+0xa0>
    800027a8:	0000006f          	j	800027a8 <vm_boot+0xac>
    800027ac:	00b55513          	srli	a0,a0,0xb
    800027b0:	01f00793          	li	a5,31
    800027b4:	00000297          	auipc	t0,0x0
    800027b8:	01428293          	addi	t0,t0,20 # 800027c8 <vm_boot+0xcc>
    800027bc:	305292f3          	csrrw	t0,mtvec,t0
    800027c0:	3b051073          	csrw	pmpaddr0,a0
    800027c4:	3a079073          	csrw	pmpcfg0,a5
    800027c8:	30529073          	csrw	mtvec,t0
    800027cc:	bff00813          	li	a6,-1025
    800027d0:	01581813          	slli	a6,a6,0x15
    800027d4:	ffffe797          	auipc	a5,0xffffe
    800027d8:	97078793          	addi	a5,a5,-1680 # 80000144 <trap_entry>
    800027dc:	010787b3          	add	a5,a5,a6
    800027e0:	10579073          	csrw	stvec,a5
    800027e4:	340027f3          	csrr	a5,mscratch
    800027e8:	010787b3          	add	a5,a5,a6
    800027ec:	14079073          	csrw	sscratch,a5
    800027f0:	0000b7b7          	lui	a5,0xb
    800027f4:	1007879b          	addiw	a5,a5,256
    800027f8:	30279073          	csrw	medeleg,a5
    800027fc:	0001e7b7          	lui	a5,0x1e
    80002800:	6007879b          	addiw	a5,a5,1536
    80002804:	30079073          	csrw	mstatus,a5
    80002808:	30405073          	csrwi	mie,0
    8000280c:	00004717          	auipc	a4,0x4
    80002810:	7f470713          	addi	a4,a4,2036 # 80007000 <freelist_nodes>
    80002814:	010707b3          	add	a5,a4,a6
    80002818:	3e078693          	addi	a3,a5,992 # 1e3e0 <_start-0x7ffe1c20>
    8000281c:	00005617          	auipc	a2,0x5
    80002820:	fcf63623          	sd	a5,-52(a2) # 800077e8 <freelist_head>
    80002824:	000808b7          	lui	a7,0x80
    80002828:	00005797          	auipc	a5,0x5
    8000282c:	fad7bc23          	sd	a3,-72(a5) # 800077e0 <freelist_tail>
    80002830:	00005317          	auipc	t1,0x5
    80002834:	bc030313          	addi	t1,t1,-1088 # 800073f0 <user_mapping>
    80002838:	03000793          	li	a5,48
    8000283c:	03f88893          	addi	a7,a7,63 # 8003f <_start-0x7ff7ffc1>
    80002840:	01080813          	addi	a6,a6,16
    80002844:	0017d613          	srli	a2,a5,0x1
    80002848:	011786b3          	add	a3,a5,a7
    8000284c:	00f647b3          	xor	a5,a2,a5
    80002850:	010705b3          	add	a1,a4,a6
    80002854:	00c69693          	slli	a3,a3,0xc
    80002858:	00579793          	slli	a5,a5,0x5
    8000285c:	00d73023          	sd	a3,0(a4)
    80002860:	00b73423          	sd	a1,8(a4)
    80002864:	0207f793          	andi	a5,a5,32
    80002868:	01070713          	addi	a4,a4,16
    8000286c:	00f667b3          	or	a5,a2,a5
    80002870:	fce31ae3          	bne	t1,a4,80002844 <vm_boot+0x148>
    80002874:	12000613          	li	a2,288
    80002878:	00000593          	li	a1,0
    8000287c:	00010513          	mv	a0,sp
    80002880:	00005797          	auipc	a5,0x5
    80002884:	b607b423          	sd	zero,-1176(a5) # 800073e8 <freelist_nodes+0x3e8>
    80002888:	fd4ff0ef          	jal	ra,8000205c <memset>
    8000288c:	800007b7          	lui	a5,0x80000
    80002890:	00f40433          	add	s0,s0,a5
    80002894:	00010513          	mv	a0,sp
    80002898:	10813423          	sd	s0,264(sp)
    8000289c:	821fd0ef          	jal	ra,800000bc <pop_tf>
    800028a0:	12813083          	ld	ra,296(sp)
    800028a4:	12013403          	ld	s0,288(sp)
    800028a8:	13010113          	addi	sp,sp,304
    800028ac:	00008067          	ret
    800028b0:	00100713          	li	a4,1
    800028b4:	07a657b7          	lui	a5,0x7a65
    800028b8:	00080637          	lui	a2,0x80
    800028bc:	bab78793          	addi	a5,a5,-1109 # 7a64bab <_start-0x7859b455>
    800028c0:	ffc60613          	addi	a2,a2,-4 # 7fffc <_start-0x7ff80004>
    800028c4:	01f71513          	slli	a0,a4,0x1f
    800028c8:	03e71693          	slli	a3,a4,0x3e
    800028cc:	01c0006f          	j	800028e8 <vm_boot+0x1ec>
    800028d0:	0007202f          	amoadd.w	zero,zero,(a4)
    800028d4:	0017d713          	srli	a4,a5,0x1
    800028d8:	00e7c7b3          	xor	a5,a5,a4
    800028dc:	03e79793          	slli	a5,a5,0x3e
    800028e0:	00d7f7b3          	and	a5,a5,a3
    800028e4:	00e7e7b3          	or	a5,a5,a4
    800028e8:	00c7f733          	and	a4,a5,a2
    800028ec:	0017f593          	andi	a1,a5,1
    800028f0:	00a70733          	add	a4,a4,a0
    800028f4:	fc059ee3          	bnez	a1,800028d0 <vm_boot+0x1d4>
    800028f8:	00072003          	lw	zero,0(a4)
    800028fc:	fd9ff06f          	j	800028d4 <vm_boot+0x1d8>

0000000080002900 <extra_boot>:
    80002900:	00008067          	ret

0000000080002904 <userstart>:
    80002904:	00100193          	li	gp,1
    80002908:	00000073          	ecall
    8000290c:	c0001073          	unimp