1993/1124/pc/clock.c (diff list | history)

1993/1113/sys/src/9/pc/clock.c:42,47 – 1993/1124/sys/src/9/pc/clock.c:42,85 (short | long | prev | next)
add arg to setvec functions; move clock to avoid prototype rsc Fri Mar 4 12:44:25 2005
1991/0719		; }
1993/1124		static void clock(Ureg *ur, void *arg) { Proc *p; int nrun = 0; USED(arg); m->ticks++; checkalarms(); mouseclock(); /* * process time accounting */ p = m->proc; if(p){ nrun = 1; p->pc = ur->pc; if (p->state==Running) p->time[p->insyscall]++; } nrun = (nrdy+nrun)*1000; MACHP(0)->load = (MACHP(0)->load*19+nrun)/20; if(up == 0 || (ur->cs&0xffff) != UESEL || up->state != Running) return; if(anyready()) sched(); /* user profiling clock */ spllo(); /* in case we fault */ (*(ulong*)(USTKTOP-BY2WD)) += TK2MS(1); splhi(); }
1991/0704		void clockinit(void) {
1993/1113/sys/src/9/pc/clock.c:50,56 – 1993/1124/sys/src/9/pc/clock.c:88,94
1991/0709		/* * set vector for clock interrupts */
1991/0716		setvec(Clockvec, clock);
1993/1124		setvec(Clockvec, clock, 0);
1991/0709		/* * make clock output a square wave with a 1/HZ period
1993/1113/sys/src/9/pc/clock.c:77,116 – 1993/1124/sys/src/9/pc/clock.c:115,118
1992/0923		delayloop = (delayloop*1193*10)/x; if(delayloop == 0) delayloop = 1;
1991/0704		}
1991/0705		void
1991/0706		clock(Ureg *ur)
1991/0705		{
1991/0706		Proc *p;
1991/1113		int nrun = 0;
1991/0706
1991/0705		m->ticks++;
1991/0711		checkalarms();
1993/0226		mouseclock();
1991/0711
1991/0808		/* * process time accounting */
1991/0706		p = m->proc; if(p){
1991/1113		nrun = 1;
1991/0711		p->pc = ur->pc;
1991/0706		if (p->state==Running) p->time[p->insyscall]++; }
1991/1113		nrun = (nrdy+nrun)*1000; MACHP(0)->load = (MACHP(0)->load*19+nrun)/20;
1991/0801
1993/0915		if(up == 0 || (ur->cs&0xffff) != UESEL || up->state != Running) return;                  if(anyready()) sched();                  /* user profiling clock */ spllo(); /* in case we fault */ (*(ulong*)(USTKTOP-BY2WD)) += TK2MS(1); splhi();
1991/0808		}