xref: /netbsd-src/sys/arch/i386/stand/lib/libi386.h (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: libi386.h,v 1.33 2010/06/25 15:35:08 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 1996
5  *	Matthias Drochner.  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. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 typedef unsigned long physaddr_t;
30 
31 /* this is in startup code */
32 void vpbcopy(const void *, void *, size_t);
33 void pvbcopy(const void *, void *, size_t);
34 void pbzero(void *, size_t);
35 physaddr_t vtophys(void *);
36 
37 ssize_t pread(int, void *, size_t);
38 void startprog(physaddr_t, int, unsigned long *, physaddr_t);
39 void multiboot(physaddr_t, physaddr_t, physaddr_t);
40 
41 int exec_netbsd(const char *, physaddr_t, int, int, void (*)(void));
42 int exec_multiboot(const char *, char *);
43 
44 void delay(int);
45 int getbasemem(void);
46 int getextmemx(void);
47 int getextmem1(void);
48 int biosvideomode(void);
49 #ifdef CONSERVATIVE_MEMDETECT
50 #define getextmem() getextmem1()
51 #else
52 #define getextmem() getextmemx()
53 #endif
54 void printmemlist(void);
55 void reboot(void);
56 void gateA20(void);
57 
58 void clear_pc_screen(void);
59 void initio(int);
60 #define CONSDEV_PC 0
61 #define CONSDEV_COM0 1
62 #define CONSDEV_COM1 2
63 #define CONSDEV_COM2 3
64 #define CONSDEV_COM3 4
65 #define CONSDEV_COM0KBD 5
66 #define CONSDEV_COM1KBD 6
67 #define CONSDEV_COM2KBD 7
68 #define CONSDEV_COM3KBD 8
69 #define CONSDEV_AUTO (-1)
70 int iskey(int);
71 char awaitkey(int, int);
72 void wait_sec(int);
73 
74 /* this is in "user code"! */
75 int parsebootfile(const char *, char **, char **, int *, int *, const char **);
76 
77 #ifdef XMS
78 physaddr_t ppbcopy(physaddr_t, physaddr_t, int);
79 int checkxms(void);
80 physaddr_t xmsalloc(int);
81 #endif
82 
83 /* parseutils.c */
84 char *gettrailer(char *);
85 int parseopts(const char *, int *);
86 int parseboot(char *, char **, int *);
87 
88 /* menuutils.c */
89 struct bootblk_command {
90 	const char *c_name;
91 	void (*c_fn)(char *);
92 };
93 void bootmenu(void);
94 void docommand(char *);
95 
96 /* in "user code": */
97 void command_help(char *);
98 extern const struct bootblk_command commands[];
99 
100 /* asm bios/dos calls */
101 int biosdisk_extread(int, void *);
102 int biosdisk_read(int, int, int, int, int, void *);
103 int biosdisk_reset(int);
104 
105 int biosgetrtc(u_long *);
106 int biosgetsystime(void);
107 int comgetc(int);
108 void cominit(int);
109 int computc(int, int);
110 int comstatus(int);
111 int congetc(void);
112 int conisshift(void);
113 int coniskey(void);
114 void conputc(int);
115 void conclr(void);
116 
117 int getextmem2(int *);
118 int getextmemps2(void *);
119 int getmementry(int *, int *);
120 
121 int biosdisk_int13ext(int);
122 int biosdisk_getinfo(int);
123 struct biosdisk_extinfo;
124 void biosdisk_getextinfo(int, struct biosdisk_extinfo *);
125 int get_harddrives(void);
126 void biosdisk_probe(void);
127 
128 int pcibios_cfgread(unsigned int, int, int *);
129 int pcibios_cfgwrite(unsigned int, int, int);
130 int pcibios_finddev(int, int, int, unsigned int *);
131 int pcibios_present(int *);
132 
133 void dosclose(int);
134 int dosopen(char *);
135 int dosread(int, char *, int);
136 int dosseek(int, int, int);
137 extern int doserrno;	/* in dos_file.S */
138 
139 void module_add(char *);
140 
141 struct btinfo_framebuffer;
142 void framebuffer_configure(struct btinfo_framebuffer *);
143