1994/0220/carrera/trap.c (diff list | history)

1994/0220/sys/src/9/carrera/trap.c:289,295 – 1994/0225/sys/src/9/carrera/trap.c:289,295 (short | long | prev | next)
1993/0903		{
1993/1219		static uchar devint;
1993/0903		ulong cause = ur->cause;
1994/0220		ulong isr;
1994/0225		ulong isr, vec;
1993/0903		m->intr++; cause &= INTR7|INTR6|INTR5|INTR4|INTR3|INTR2|INTR1|INTR0;
1994/0220/sys/src/9/carrera/trap.c:319,326 – 1994/0225/sys/src/9/carrera/trap.c:319,327
1993/0904		}
1993/0908		if(cause & INTR2) {
1994/0220		isr = IO(ulong, R4030Isr);
1994/0225
1994/0220		if(isr & (1<<5)) { audiointr();
1994/0225		audiodmaintr();
1994/0220		isr &= ~(1<<5); } if(isr) {
1994/0220/sys/src/9/carrera/trap.c:334,340 – 1994/0225/sys/src/9/carrera/trap.c:335,356
1993/0908		}
1993/0904		if(cause & INTR4) {
1993/0905		devint = IO(uchar, I386ack);
1993/1212		iprint("i386ACK #%lux\n", devint);
1994/0225		vec = devint&~0x7; /* reenable the 8259 interrupt */ if(vec == Int0vec || vec == Int1vec){ EISAOUTB(Int0ctl, EOI); if(vec == Int1vec) EISAOUTB(Int1ctl, EOI); } switch(devint) { default: iprint("i386ACK #%lux\n", devint); break; case 5: audiosbintr(); break; }
1993/0904		cause &= ~INTR4; } if(cause & INTR7) {