vi: implement _nsec syscall
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c8008e1ffd
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@ -65,6 +65,7 @@ char *sysctab[]={
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[AWAIT] "Await",
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[PREAD] "Pread",
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[PWRITE] "Pwrite",
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[_NSEC] "_nsec",
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};
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void sys1(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); }
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@ -638,6 +639,22 @@ syssegflush(void)
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reg.r[REGRET] = 0;
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}
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void
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sys_nsec(void)
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{
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ulong ta;
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vlong t;
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ta = getmem_w(reg.r[REGSP]+4);
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if(sysdbg)
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itrace("_nsec(%lux)", ta);
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t = nsec();
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putmem_w(ta, t >> 32);
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putmem_w(ta+4, t);
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}
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void sysfversion(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); }
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void sysfsession(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); }
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void sysfauth(void) { Bprint(bioout, "No system call %s\n", sysctab[reg.r[REGRET]]); exits(0); }
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@ -710,6 +727,7 @@ void (*systab[])(void) ={
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[AWAIT] sysawait,
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[PREAD] syspread,
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[PWRITE] syspwrite,
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[_NSEC] sys_nsec,
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};
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void
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@ -719,7 +737,7 @@ Ssyscall(ulong inst)
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USED(inst);
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call = reg.r[REGRET];
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if(call < 0 || call > PWRITE || systab[call] == nil) {
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if(call < 0 || call > _NSEC || systab[call] == nil) {
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Bprint(bioout, "Bad system call\n");
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dumpreg();
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}
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