1994/1025/carrera/trap.c (diff list | history)

1994/0902/sys/src/9/carrera/trap.c:57,62 – 1994/1025/sys/src/9/carrera/trap.c:57,63 (short | long | prev | next)
1993/0903		}; char *fpexcname(Ureg*, ulong, char*); #define FPEXPMASK (0x3f<<12) /* Floating exception bits in fcr31 */
1994/1025		void (*eisadma[8])(void); /* Eisa dma chain vectors */
1993/0903		char *regname[]={
1994/0902/sys/src/9/carrera/trap.c:284,291 – 1994/1025/sys/src/9/carrera/trap.c:285,304
1993/0903		} void
1994/1025		seteisadma(int ch, void (*func)(void)) { if(ch < 0 || ch > 7) panic("seteisadma"); if(eisadma[ch] != 0) print("EISA dma%d: intr used twice"); eisadma[ch] = func; } void
1993/0903		intr(Ureg *ur) {
1994/1025		int i;
1993/1219		static uchar devint;
1993/0903		ulong cause = ur->cause;
1994/0225		ulong isr, vec;
1994/0902/sys/src/9/carrera/trap.c:351,358 – 1994/1025/sys/src/9/carrera/trap.c:364,379
1994/0307		case 7:
1994/0225		audiosbintr();
1994/0307		break;
1994/1025		case 10: mpegintr(); break;
1994/0307		case 13: audiodmaintr();
1994/1025		isr = EISAINB(Eisadmaintr) & ~(1<<4); for(i = 0; i < 8; i++) { if(isr & 1) eisadma[i](); isr >>= 1; }
1994/0225		break; }
1993/0904		cause &= ~INTR4;