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| author | Mole Shang <[email protected]> | 2024-01-18 17:35:27 +0800 |
|---|---|---|
| committer | Mole Shang <[email protected]> | 2024-02-05 18:10:56 +0800 |
| commit | 283d5ab4c964ab525e45fcade06d6fd7e977c43e (patch) | |
| tree | bc44a1e2c447fb965cf5d5c2cfdcfa71658dbbbf /kernel/sysproc.c | |
| parent | 0d6a64fa06ce6aae729fa05a539eadd88fa59007 (diff) | |
| download | xv6-labs-283d5ab4c964ab525e45fcade06d6fd7e977c43e.tar.gz xv6-labs-283d5ab4c964ab525e45fcade06d6fd7e977c43e.tar.bz2 xv6-labs-283d5ab4c964ab525e45fcade06d6fd7e977c43e.zip | |
lab syscall: finish
Conflicts:
kernel/syscall.c
kernel/syscall.h
user/user.h
user/usys.pl
Diffstat (limited to 'kernel/sysproc.c')
| -rw-r--r-- | kernel/sysproc.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/sysproc.c b/kernel/sysproc.c index 88644b2..4cf0697 100644 --- a/kernel/sysproc.c +++ b/kernel/sysproc.c @@ -100,3 +100,21 @@ sys_uptime(void) release(&tickslock); return xticks; } + +uint64 +sys_trace(void) +{ + argint(0, &myproc()->trace_mask); + + return -(myproc()->trace_mask <= 1); +} + +uint64 +sys_sysinfo(void) +{ + uint64 si; // user pointer to struct sysinfo + + argaddr(0, &si); + return sys_info(si); +} + |