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| author | Richard Qin <richard.qin.x@gmail.com> | 2026-01-02 10:09:37 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.x@gmail.com> | 2026-01-02 10:09:37 +0800 |
| commit | 1c8e37f63d413a559825020289178d442537449e (patch) | |
| tree | 9779a712b5eec91035272e7646eb6811979d7eab /src/user/usys.S | |
| parent | d8eaa13f2efc1eeca4e5f230d5a2d535aaf27338 (diff) | |
| download | lume-1c8e37f63d413a559825020289178d442537449e.tar.gz lume-1c8e37f63d413a559825020289178d442537449e.tar.xz | |
dev(sell): add simple libc and implement shell
please see the log for detail.
Diffstat (limited to 'src/user/usys.S')
| -rw-r--r-- | src/user/usys.S | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/user/usys.S b/src/user/usys.S index 65937cc..f85917e 100644 --- a/src/user/usys.S +++ b/src/user/usys.S @@ -7,8 +7,16 @@ ecall; \ ret +#define SYSCALL_NAME(name, sysname) \ + .global name; \ + name: \ + li a7, SYS_ ## sysname; \ + ecall; \ + ret + +SYSCALL_NAME(sys_exit, exit) + SYSCALL(fork) -SYSCALL(exit) SYSCALL(wait) SYSCALL(pipe) SYSCALL(read) @@ -29,4 +37,5 @@ SYSCALL(sbrk) SYSCALL(sleep) SYSCALL(uptime) SYSCALL(putc) -SYSCALL(disk_test)
\ No newline at end of file +SYSCALL(disk_test) +SYSCALL(lseek)
\ No newline at end of file |