1/* $NetBSD: systeminfo.c,v 1.2 1999/09/26 12:46:58 takemura Exp $ */
2
3/*
4 * Copyright (c) 1999, by UCHIYAMA Yasushi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. The name of the developer may NOT be used to endorse or promote products
13 *    derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28#include <pbsdboot.h>
29#include <machine/platid_mask.h>
30#if 0
31#define PROCESSOR_LEVEL_R4000 4
32#define PROCESSOR_LEVEL_R3000 3
33#define PROCESSOR_REVMAJOR_VR41XX 0x0c
34#define PROCESSOR_REVMAJOR_TX39XX 0x22
35#endif
36
37struct system_info system_info;
38
39static void dump_archinfo(SYSTEM_INFO*);
40
41int
42set_system_info(platid_t *platid)
43{
44	SYSTEM_INFO info;
45	/*
46	 * Set machine dependent information.
47	 */
48	GetSystemInfo(&info);
49	if (platid_match(platid, &platid_mask_CPU_MIPS)) {
50		if (platid_match(platid, &platid_mask_CPU_MIPS_VR_41XX)) {
51			vr41xx_init(&info);
52		} else
53		if (platid_match(platid, &platid_mask_CPU_MIPS_TX)) {
54			tx39xx_init(&info);
55		} else {
56			dump_archinfo(&info);
57			return 0;
58		}
59	} else {
60		dump_archinfo(&info);
61		return 0;
62	}
63
64#if 0
65	switch (info.wProcessorArchitecture) {
66	default:
67		dump_archinfo(&info);
68		return 0;
69		break;
70	case PROCESSOR_ARCHITECTURE_MIPS:
71		switch (info.wProcessorLevel) {
72		default:
73			dump_archinfo(&info);
74			return 0;
75			break;
76		case PROCESSOR_LEVEL_R4000:
77			switch (info.wProcessorRevision >> 8) {
78			default:
79				dump_archinfo(&info);
80				return 0;
81				break;
82			case PROCESSOR_REVMAJOR_VR41XX:
83				vr41xx_init(&info);
84				break;
85			}
86			break;
87		case PROCESSOR_LEVEL_R3000:
88			switch (info.wProcessorRevision >> 8) {
89			default:
90				dump_archinfo(&info);
91				return 0;
92				break;
93			case PROCESSOR_REVMAJOR_TX39XX:
94				tx39xx_init(&info);
95				break;
96			}
97			break;
98		}
99		break;
100	case PROCESSOR_ARCHITECTURE_SHx:
101		dump_archinfo(&info);
102		return 0;
103		break;
104	case PROCESSOR_ARCHITECTURE_ARM:
105		dump_archinfo(&info);
106		return 0;
107		break;
108	}
109#endif
110
111	if (system_info.si_asmcodelen > (signed)system_info.si_pagesize) {
112		msg_printf(MSG_ERROR, whoami,
113			   TEXT("asmcodelen=%d > pagesize=%d\n"),
114			   system_info.si_asmcodelen,
115			   system_info.si_pagesize);
116		return 0;
117	}
118
119	return 1;
120}
121
122static void
123dump_archinfo(SYSTEM_INFO *info)
124{
125	msg_printf(MSG_ERROR, whoami, TEXT("Unsupported CPU\n"));
126#if 0
127	msg_printf(MSG_ERROR, whoami,
128		   TEXT("Unknown machine ARCHITECTURE %#x, LEVEL %#x REVISION %#x.\n LCD(%dx%d)\n"),
129		   info->wProcessorArchitecture, info->wProcessorLevel,
130		   info->wProcessorRevision,
131		   GetSystemMetrics(SM_CXSCREEN),
132		   GetSystemMetrics(SM_CYSCREEN));
133#endif
134}
135