[apple/boot.git] / i386 / boot1 / gonext.c

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  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 1.1 (the "License").  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource 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 OR NON- INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
#include <bios.h>\r
#include <dos.h>\r
#include <stdio.h>\r
\r
char bufold[512];\r
\r
int main(int argc, char *argv[])\r
{\r
	void far (*reset)();\r
	#define CMD 2\r
	#define DRIVE 0x80\r
	#define HEAD 0\r
	#define TRACK 0\r
	#define SECT 1\r
	#define NSECT 1\r
	int result, i;\r
	int found;\r
	unsigned char *p1, *p2, key;\r
	int softReboot=0;\r
	int dontAsk=0;\r
\r
	for (i=1; i<argc; i++)\r
	{\r
		if (!strcmp(argv[i],"-dontask")) dontAsk=1;\r
		else if (!strcmp(argv[i],"-soft")) softReboot=1;\r
	}\r
\r
	if (!dontAsk)\r
	{\r
		printf("Do you want to reboot into NEXTSTEP?\n");\r
		printf("    (This will immediately terminate all processes!)\n");\r
		key = bioskey(0);\r
		if (!(key=='y' || key=='Y'))\r
		{\r
			printf("Cancelled\n");\r
			exit(0);\r
		}\r
	}\r
\r
	result = biosdisk(CMD,DRIVE,HEAD,TRACK,SECT,NSECT,bufold);\r
	if (result != 0)\r
	{	printf("Couldn't read bootsectorread\n");\r
		exit(0);\r
	}\r
\r
	p1 = bufold + 445;\r
\r
	if (*p1 != 0xa7)\r
	{\r
		printf("GONEXT can only work if NeXT's BOOT0 bootsector"\r
			" is installed.\n");\r
		exit(0);\r
	}\r
\r
	found = 0;\r
	p1=bufold + 446;\r
	for (i=0; i<4; i++)\r
	{ 	p2 = p1 + (i*16) + 4;\r
		if (*p2 == 0xa7)\r
		{	found=1;\r
			break;\r
		}\r
	}\r
\r
	if (!found)\r
	{	printf("No NEXTSTEP partition installed\n");\r
		exit(0);\r
	}\r
\r
	/* now do the proper CMOS write! */\r
\r
\r
	outportb(0x70,6);	/* select */\r
	key = inportb(0x71);\r
	key |= 0x10;\r
	outportb(0x70,6);	/* select */\r
	outportb(0x71,key);\r
\r
	if (softReboot) geninterrupt(0x19);\r
	else\r
	{\r
		printf("'Scuse me while I kiss the sky!\n");\r
		reset = MK_FP(0xf000,0xfff0);\r
		reset();\r
		geninterrupt(0x19);	/* try again - shouldn't get here */\r
	}\r
\r
	printf("Reboot failed\n");\r
	return -1;	/* you never get here */\r
}
Commit	Line	Data
14c7c974 A	1	/*
	2	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
4f6e3300 A	6	* Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
	7	* Reserved. This file contains Original Code and/or Modifications of
	8	* Original Code as defined in and that are subject to the Apple Public
	9	* Source License Version 1.1 (the "License"). You may not use this file
	10	* except in compliance with the License. Please obtain a copy of the
	11	* License at http://www.apple.com/publicsource and read it before using
	12	* this file.
14c7c974 A	13	*
14c7c974 A	14	* The Original Code and all software distributed under the License are
4f6e3300	15	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14c7c974 A	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
14c7c974 A	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
4f6e3300 A	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License.
14c7c974 A	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24	#include <bios.h>\r
	25	#include <dos.h>\r
	26	#include <stdio.h>\r
	27	\r
	28	char bufold[512];\r
	29	\r
	30	int main(int argc, char *argv[])\r
	31	{\r
	32	void far (*reset)();\r
	33	#define CMD 2\r
	34	#define DRIVE 0x80\r
	35	#define HEAD 0\r
	36	#define TRACK 0\r
	37	#define SECT 1\r
	38	#define NSECT 1\r
	39	int result, i;\r
	40	int found;\r
	41	unsigned char p1, p2, key;\r
	42	int softReboot=0;\r
	43	int dontAsk=0;\r
	44	\r
	45	for (i=1; i<argc; i++)\r
	46	{\r
	47	if (!strcmp(argv[i],"-dontask")) dontAsk=1;\r
	48	else if (!strcmp(argv[i],"-soft")) softReboot=1;\r
	49	}\r
	50	\r
	51	if (!dontAsk)\r
	52	{\r
	53	printf("Do you want to reboot into NEXTSTEP?\n");\r
	54	printf(" (This will immediately terminate all processes!)\n");\r
	55	key = bioskey(0);\r
	56	if (!(key=='y' \|\| key=='Y'))\r
	57	{\r
	58	printf("Cancelled\n");\r
	59	exit(0);\r
	60	}\r
	61	}\r
	62	\r
	63	result = biosdisk(CMD,DRIVE,HEAD,TRACK,SECT,NSECT,bufold);\r
	64	if (result != 0)\r
	65	{ printf("Couldn't read bootsectorread\n");\r
	66	exit(0);\r
	67	}\r
	68	\r
	69	p1 = bufold + 445;\r
	70	\r
	71	if (*p1 != 0xa7)\r
	72	{\r
	73	printf("GONEXT can only work if NeXT's BOOT0 bootsector"\r
	74	" is installed.\n");\r
	75	exit(0);\r
	76	}\r
	77	\r
	78	found = 0;\r
	79	p1=bufold + 446;\r
	80	for (i=0; i<4; i++)\r
	81	{ p2 = p1 + (i*16) + 4;\r
	82	if (*p2 == 0xa7)\r
	83	{ found=1;\r
	84	break;\r
85	}\r
86	}\r
87	\r
88	if (!found)\r
89	{ printf("No NEXTSTEP partition installed\n");\r
90	exit(0);\r
91	}\r
92	\r
93	/* now do the proper CMOS write! */\r
94	\r
95	\r
96	outportb(0x70,6); /* select */\r
97	key = inportb(0x71);\r
98	key \|= 0x10;\r
99	outportb(0x70,6); /* select */\r
100	outportb(0x71,key);\r
101	\r
102	if (softReboot) geninterrupt(0x19);\r
103	else\r
104	{\r
105	printf("'Scuse me while I kiss the sky!\n");\r
106	reset = MK_FP(0xf000,0xfff0);\r
107	reset();\r
108	geninterrupt(0x19); /* try again - shouldn't get here */\r
109	}\r
110	\r
111	printf("Reboot failed\n");\r
112	return -1; /* you never get here */\r
113	}