diff options
Diffstat (limited to 'i386/pc/i16/i16_pic.c')
| -rw-r--r-- | i386/pc/i16/i16_pic.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/i386/pc/i16/i16_pic.c b/i386/pc/i16/i16_pic.c deleted file mode 100644 index 3ff2697..0000000 --- a/i386/pc/i16/i16_pic.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright (c) 1995 The University of Utah and - * the Computer Systems Laboratory at the University of Utah (CSL). - * All rights reserved. - * - * Permission to use, copy, modify and distribute this software is hereby - * granted provided that (1) source code retains these copyright, permission, - * and disclaimer notices, and (2) redistributions including binaries - * reproduce the notices in supporting documentation, and (3) all advertising - * materials mentioning features or use of this software display the following - * acknowledgement: ``This product includes software developed by the - * Computer Systems Laboratory at the University of Utah.'' - * - * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS - * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF - * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * CSL requests users of this software to return to csl-dist@cs.utah.edu any - * improvements that they make and grant CSL redistribution rights. - * - * Author: Bryan Ford, University of Utah CSL - */ - -#include <mach/machine/pio.h> - -#include "pic.h" -#include "i16.h" - -CODE16 - -/* Program the PICs to use a different set of interrupt vectors. - Assumes processor I flag is off. */ -void i16_pic_set_master(int base) -{ - unsigned char old_mask; - - /* Save the original interrupt mask. */ - old_mask = inb(MASTER_OCW); PIC_DELAY(); - - /* Initialize the master PIC. */ - outb(MASTER_ICW, PICM_ICW1); PIC_DELAY(); - outb(MASTER_OCW, base); PIC_DELAY(); - outb(MASTER_OCW, PICM_ICW3); PIC_DELAY(); - outb(MASTER_OCW, PICM_ICW4); PIC_DELAY(); - - /* Restore the original interrupt mask. */ - outb(MASTER_OCW, old_mask); PIC_DELAY(); -} - -void i16_pic_set_slave(int base) -{ - unsigned char old_mask; - - /* Save the original interrupt mask. */ - old_mask = inb(SLAVES_OCW); PIC_DELAY(); - - /* Initialize the slave PIC. */ - outb(SLAVES_ICW, PICS_ICW1); PIC_DELAY(); - outb(SLAVES_OCW, base); PIC_DELAY(); - outb(SLAVES_OCW, PICS_ICW3); PIC_DELAY(); - outb(SLAVES_OCW, PICS_ICW4); PIC_DELAY(); - - /* Restore the original interrupt mask. */ - outb(SLAVES_OCW, old_mask); PIC_DELAY(); -} - |