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build/user/initcode.out: file format elf64-littleriscv
Disassembly of section .text:
0000000000000000 <_start>:
#include "user/user.h"
int main();
extern "C" void _start()
{
0: 1141 addi sp,sp,-16
2: e406 sd ra,8(sp)
exit(main());
4: 004000ef jal 8 <main>
0000000000000008 <main>:
}
int main()
{
8: 1141 addi sp,sp,-16
a: e406 sd ra,8(sp)
int pid = fork();
c: 060000ef jal 6c <fork>
if (pid < 0)
10: 00054f63 bltz a0,2e <main+0x26>
{
write(1, "Fork failed\n", 12);
exit(1);
}
if (pid == 0)
14: e905 bnez a0,44 <main+0x3c>
{
write(1, "Hello from Child!\n", 18);
16: 4649 li a2,18
18: 00000597 auipc a1,0x0
1c: 12058593 addi a1,a1,288 # 138 <putc+0x24>
20: 4505 li a0,1
22: 072000ef jal 94 <write>
exit(0);
26: 4501 li a0,0
28: 04c000ef jal 74 <exit>
write(1, "Parent waiting...\n", 18);
wait(0);
write(1, "Parent: Child exited.\n", 22);
}
while (1);
2c: a001 j 2c <main+0x24>
write(1, "Fork failed\n", 12);
2e: 4631 li a2,12
30: 00000597 auipc a1,0x0
34: 0f058593 addi a1,a1,240 # 120 <putc+0xc>
38: 4505 li a0,1
3a: 05a000ef jal 94 <write>
exit(1);
3e: 4505 li a0,1
40: 034000ef jal 74 <exit>
write(1, "Parent waiting...\n", 18);
44: 4649 li a2,18
46: 00000597 auipc a1,0x0
4a: 10a58593 addi a1,a1,266 # 150 <putc+0x3c>
4e: 4505 li a0,1
50: 044000ef jal 94 <write>
wait(0);
54: 4501 li a0,0
56: 026000ef jal 7c <wait>
write(1, "Parent: Child exited.\n", 22);
5a: 4659 li a2,22
5c: 00000597 auipc a1,0x0
60: 10c58593 addi a1,a1,268 # 168 <putc+0x54>
64: 4505 li a0,1
66: 02e000ef jal 94 <write>
6a: b7c9 j 2c <main+0x24>
000000000000006c <fork>:
name: \
li a7, SYS_ ## name; \
ecall; \
ret
SYSCALL(fork)
6c: 4889 li a7,2
6e: 00000073 ecall
72: 8082 ret
0000000000000074 <exit>:
SYSCALL(exit)
74: 488d li a7,3
76: 00000073 ecall
7a: 8082 ret
000000000000007c <wait>:
SYSCALL(wait)
7c: 4891 li a7,4
7e: 00000073 ecall
82: 8082 ret
0000000000000084 <pipe>:
SYSCALL(pipe)
84: 4895 li a7,5
86: 00000073 ecall
8a: 8082 ret
000000000000008c <read>:
SYSCALL(read)
8c: 4899 li a7,6
8e: 00000073 ecall
92: 8082 ret
0000000000000094 <write>:
SYSCALL(write)
94: 48c5 li a7,17
96: 00000073 ecall
9a: 8082 ret
000000000000009c <close>:
SYSCALL(close)
9c: 48d9 li a7,22
9e: 00000073 ecall
a2: 8082 ret
00000000000000a4 <kill>:
SYSCALL(kill)
a4: 489d li a7,7
a6: 00000073 ecall
aa: 8082 ret
00000000000000ac <exec>:
SYSCALL(exec)
ac: 48a1 li a7,8
ae: 00000073 ecall
b2: 8082 ret
00000000000000b4 <open>:
SYSCALL(open)
b4: 48c1 li a7,16
b6: 00000073 ecall
ba: 8082 ret
00000000000000bc <mknod>:
SYSCALL(mknod)
bc: 48c9 li a7,18
be: 00000073 ecall
c2: 8082 ret
00000000000000c4 <unlink>:
SYSCALL(unlink)
c4: 48cd li a7,19
c6: 00000073 ecall
ca: 8082 ret
00000000000000cc <fstat>:
SYSCALL(fstat)
cc: 48a5 li a7,9
ce: 00000073 ecall
d2: 8082 ret
00000000000000d4 <link>:
SYSCALL(link)
d4: 48d1 li a7,20
d6: 00000073 ecall
da: 8082 ret
00000000000000dc <mkdir>:
SYSCALL(mkdir)
dc: 48d5 li a7,21
de: 00000073 ecall
e2: 8082 ret
00000000000000e4 <chdir>:
SYSCALL(chdir)
e4: 48a9 li a7,10
e6: 00000073 ecall
ea: 8082 ret
00000000000000ec <dup>:
SYSCALL(dup)
ec: 48ad li a7,11
ee: 00000073 ecall
f2: 8082 ret
00000000000000f4 <getpid>:
SYSCALL(getpid)
f4: 48b1 li a7,12
f6: 00000073 ecall
fa: 8082 ret
00000000000000fc <sbrk>:
SYSCALL(sbrk)
fc: 48b5 li a7,13
fe: 00000073 ecall
102: 8082 ret
0000000000000104 <sleep>:
SYSCALL(sleep)
104: 48b9 li a7,14
106: 00000073 ecall
10a: 8082 ret
000000000000010c <uptime>:
SYSCALL(uptime)
10c: 48bd li a7,15
10e: 00000073 ecall
112: 8082 ret
0000000000000114 <putc>:
114: 4885 li a7,1
116: 00000073 ecall
11a: 8082 ret
|
