1991/0716/pc/trap.c (diff list | history)

1991/0716/sys/src/9/pc/trap.c:86,92 – 1991/0718/sys/src/9/pc/trap.c:86,92 (short | long | prev | next)
1991/0710		sethvec(23, intr23, SEGTG, 0);
1991/0703		/* * set all others to unknown
1991/0718		* set all others to unknown interrupts
1991/0703		*/
1991/0706		for(i = 24; i < 256; i++)
1991/0710		sethvec(i, intrbad, SEGIG, 0);
1991/0716/sys/src/9/pc/trap.c:100,106 – 1991/0718/sys/src/9/pc/trap.c:100,106
1991/0710		/*
1991/0703		* tell the hardware where the table is (and how long) */ lidt(ilt, sizeof(ilt));
1991/0718		putidt(ilt, sizeof(ilt));
1991/0704		/*
1991/0709		* Set up the first 8259 interrupt processor.
1991/0716/sys/src/9/pc/trap.c:137,147 – 1991/0718/sys/src/9/pc/trap.c:137,169
1991/0710		} /*
1991/0718		* dump registers */ void dumpregs(Ureg *ur) { if(u) print("registers for %s %d\n", u->p->text, u->p->pid); else print("registers for kernel\n"); print("FLAGS=%lux ECODE=%lux CS=%lux PC=%lux SS=%lux USP=%lux\n", ur->flags, ur->ecode, ur->cs, ur->pc, ur->ss, ur->usp); print(" AX %8.8lux BX %8.8lux CX %8.8lux DX %8.8lux\n", ur->ax, ur->bx, ur->cx, ur->dx); print(" SI %8.8lux DI %8.8lux BP %8.8lux DS %8.8lux\n", ur->si, ur->di, ur->bp, ur->ds); } /*
1991/0710		* system calls */ long syscall(Ureg *ur) {
1991/0718		u->p->insyscall = 1; u->p->pc = ur->pc;
1991/0710		panic("syscall"); }