diff options
| author | mischief <mischief@offblast.org> | 2014-09-13 06:07:57 -0700 |
|---|---|---|
| committer | mischief <mischief@offblast.org> | 2014-09-13 06:07:57 -0700 |
| commit | 8348a233ae56a2f51dc2e3f93f681cc7aebdae14 (patch) | |
| tree | 61d22338729832989deb266026beb786f36670fb /sys/src/cmd/vi | |
| parent | c8008e1ffd0bdcf8aa1152aa9a81157ef1688926 (diff) | |
vi: implement _nsec syscall
Diffstat (limited to 'sys/src/cmd/vi')
| -rw-r--r-- | sys/src/cmd/vi/syscall.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/src/cmd/vi/syscall.c b/sys/src/cmd/vi/syscall.c index 7b977dd0d..25401d828 100644 --- a/sys/src/cmd/vi/syscall.c +++ b/sys/src/cmd/vi/syscall.c @@ -65,6 +65,7 @@ char *sysctab[]={ [AWAIT] "Await", [PREAD] "Pread", [PWRITE] "Pwrite", + [_NSEC] "_nsec", }; void sys1(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); } @@ -638,6 +639,22 @@ syssegflush(void) reg.r[REGRET] = 0; } +void +sys_nsec(void) +{ + ulong ta; + vlong t; + + ta = getmem_w(reg.r[REGSP]+4); + if(sysdbg) + itrace("_nsec(%lux)", ta); + + t = nsec(); + + putmem_w(ta, t >> 32); + putmem_w(ta+4, t); +} + void sysfversion(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); } void sysfsession(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); } void sysfauth(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); } @@ -710,6 +727,7 @@ void (*systab[])(void) ={ [AWAIT] sysawait, [PREAD] syspread, [PWRITE] syspwrite, + [_NSEC] sys_nsec, }; void @@ -719,7 +737,7 @@ Ssyscall(ulong inst) USED(inst); call = reg.r[REGRET]; - if(call < 0 || call > PWRITE || systab[call] == nil) { + if(call < 0 || call > _NSEC || systab[call] == nil) { Bprint(bioout, "Bad system call\n"); dumpreg(); } |