+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
- * @OSF_COPYRIGHT@
- */
-/*
- */
-
-/*
- * Olivetti Mach Console driver v0.0
- * Copyright Ing. C. Olivetti & C. S.p.A. 1988, 1989
- * All rights reserved.
- *
- */
-/*
- * Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
- * Cupertino, California.
- *
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby
- * granted, provided that the above copyright notice appears in all
- * copies and that both the copyright notice and this permission notice
- * appear in supporting documentation, and that the name of Olivetti
- * not be used in advertising or publicity pertaining to distribution
- * of the software without specific, written prior permission.
- *
- * OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
- * IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
- * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- *
- * Copyright 1988, 1989 by Intel Corporation, Santa Clara, California.
- *
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby
- * granted, provided that the above copyright notice appears in all
- * copies and that both the copyright notice and this permission notice
- * appear in supporting documentation, and that the name of Intel
- * not be used in advertising or publicity pertaining to distribution
- * of the software without specific, written prior permission.
- *
- * INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
- * IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
- * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $ Header: $ */
-
-#include <pexpert/pexpert.h>
-
-extern void cpu_shutdown(void);
-
-void kdreboot(void);
-
-/*
- * Common I/O ports.
- */
-#define K_RDWR 0x60 /* keyboard data & cmds (read/write) */
-#define K_STATUS 0x64 /* keybd status (read-only) */
-#define K_CMD 0x64 /* keybd ctlr command (write-only) */
-
-/*
- * Bit definitions for K_STATUS port.
- */
-#define K_OBUF_FUL 0x01 /* output (from keybd) buffer full */
-#define K_IBUF_FUL 0x02 /* input (to keybd) buffer full */
-#define K_SYSFLAG 0x04 /* "System Flag" */
-#define K_CMD_DATA 0x08 /* 1 = input buf has cmd, 0 = data */
-#define K_KBD_INHBT 0x10 /* 0 if keyboard inhibited */
-#define K_XMT_TIMEOUT 0x20 /* Transmit time out */
-#define K_RCV_TIMEOUT 0x40 /* Receive time out */
-
-/*
- * Keyboard controller commands (sent to K_CMD port).
- */
-#define K_CMD_READ 0x20 /* read controller command byte */
-#define K_CMD_WRITE 0x60 /* write controller command byte */
-#define K_CMD_TEST 0xab /* test interface */
-#define K_CMD_DUMP 0xac /* diagnostic dump */
-#define K_CMD_DISBLE 0xad /* disable keyboard */
-#define K_CMD_ENBLE 0xae /* enable keyboard */
-#define K_CMD_RDKBD 0xc4 /* read keyboard ID */
-#define K_CMD_ECHO 0xee /* used for diagnostic testing */
-#define K_CMD_RESET 0xfe /* issue a system reset */
-
-/*
- * kd_sendcmd
- *
- * This function sends a command byte to the keyboard command
- * port, but first waits until the input/output data buffer is
- * clear before sending the data.
- *
- */
-
-static void
-kd_sendcmd(unsigned char ch)
-{
- while (inb(K_STATUS) & K_IBUF_FUL);
- outb(K_CMD, ch);
-}
-
-/*
- * kdreboot
- *
- * Send a command to the motherboard keyboard controller to
- * issue a hardware reset.
- */
-
-void
-kdreboot(void)
-{
- kd_sendcmd( K_CMD_RESET );
-
- /*
- * DRAT. We're still here. Let's try a "CPU shutdown", which consists
- * of clearing the IDTR and causing an exception. It's in locore.s
- */
- cpu_shutdown();
- /*NOTREACHED*/
-}
projects / apple / xnu.git / blobdiff