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| author | Mole Shang <[email protected]> | 2024-01-18 17:35:27 +0800 |
|---|---|---|
| committer | Mole Shang <[email protected]> | 2024-01-18 17:35:27 +0800 |
| commit | 493159b9bb1a764926daa49fb09bff8f29e8e9e5 (patch) | |
| tree | bcae49e20df0ab9d86dab9bd10226807cc432f88 /kernel/sysproc.c | |
| parent | 33ca12a4653752d179e6296c7ca2f91a626d30f3 (diff) | |
| download | xv6-labs-syscall.tar.gz xv6-labs-syscall.tar.bz2 xv6-labs-syscall.zip | |
lab syscall: finishsyscall
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 3b4d5bd..fd2e069 100644 --- a/kernel/sysproc.c +++ b/kernel/sysproc.c @@ -91,3 +91,21 @@ 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); +} + |