1991/0823/pc/trap.c (diff list | history)

1991/0822/sys/src/9/pc/trap.c:79,105 – 1991/0823/sys/src/9/pc/trap.c:79,105 (short | long | prev | next)
1991/0731		* set all interrupts to panics */ for(i = 32; i < 256; i++) sethvec(i, intrbad, SEGIG, 0);
1991/0823		sethvec(i, intrbad, SEGTG, 0);
1991/0731		/*
1991/0703		* set the standard traps */
1991/0719		sethvec(0, intr0, SEGIG, 0); sethvec(1, intr1, SEGIG, 0); sethvec(2, intr2, SEGIG, 0); sethvec(3, intr3, SEGIG, 0); sethvec(4, intr4, SEGIG, 0); sethvec(5, intr5, SEGIG, 0); sethvec(6, intr6, SEGIG, 0); sethvec(7, intr7, SEGIG, 0); sethvec(8, intr8, SEGIG, 0); sethvec(9, intr9, SEGIG, 0); sethvec(10, intr10, SEGIG, 0); sethvec(11, intr11, SEGIG, 0); sethvec(12, intr12, SEGIG, 0); sethvec(13, intr13, SEGIG, 0); sethvec(14, intr14, SEGIG, 0); sethvec(15, intr15, SEGIG, 0);
1991/0823		sethvec(0, intr0, SEGTG, 0); sethvec(1, intr1, SEGTG, 0); sethvec(2, intr2, SEGTG, 0); sethvec(3, intr3, SEGTG, 0); sethvec(4, intr4, SEGTG, 0); sethvec(5, intr5, SEGTG, 0); sethvec(6, intr6, SEGTG, 0); sethvec(7, intr7, SEGTG, 0); sethvec(8, intr8, SEGTG, 0); sethvec(9, intr9, SEGTG, 0); sethvec(10, intr10, SEGTG, 0); sethvec(11, intr11, SEGTG, 0); sethvec(12, intr12, SEGTG, 0); sethvec(13, intr13, SEGTG, 0); sethvec(14, intr14, SEGTG, 0); sethvec(15, intr15, SEGTG, 0);
1991/0731		/* * set the standard devices
1991/0822/sys/src/9/pc/trap.c:188,202 – 1991/0823/sys/src/9/pc/trap.c:188,198
1991/0731		if(c == Int1vec) outb(Int1ctl, EOI);
1991/0806		outb(Int0ctl, EOI);
1991/0823		if(v != Uart0vec) uartintr0(ur);
1991/0731		}
1991/0801		/*
1991/0822		* check for a waiting character, the uart is at too low * a priority level to work correctly at 9600 baud. */ uartintr0(ur);                  /*
1991/0801		* call the trap routine */ (*ivec[v])(ur);
1991/0822/sys/src/9/pc/trap.c:270,276 – 1991/0823/sys/src/9/pc/trap.c:266,271
1991/0718		u->p->pc = ur->pc;
1991/0720		if((ur->cs)&0xffff == KESEL) panic("recursive system call");
1991/0822		spllo();
1991/0718
1991/0720		/* * do something about floating point!!!