1/*	$NetBSD: libi386.h,v 1.53 2024/06/29 13:46:40 rin 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#ifndef	__I386_STAND_LIBI386_H__
30#define	__I386_STAND_LIBI386_H__
31
32typedef unsigned long physaddr_t;
33
34/* this is in startup code */
35void vpbcopy(const void *, void *, size_t);
36void pvbcopy(const void *, void *, size_t);
37void pbzero(void *, size_t);
38physaddr_t vtophys(void *);
39
40ssize_t pread(int, void *, size_t);
41void startprog(physaddr_t, uint32_t, uint32_t *, physaddr_t);
42void multiboot(physaddr_t, physaddr_t, physaddr_t, uint32_t);
43
44int exec_netbsd(const char *, physaddr_t, int, int, void (*)(void));
45int exec_multiboot(const char *, char *);
46
47void delay(int);
48int getbasemem(void);
49int getextmemx(void);
50int getextmem1(void);
51int biosvideomode(void);
52#ifdef CONSERVATIVE_MEMDETECT
53#define getextmem() getextmem1()
54#else
55#define getextmem() getextmemx()
56#endif
57void reboot(void);
58void gateA20(void);
59
60void clear_pc_screen(void);
61void initio(int);
62#define CONSDEV_PC 0
63#define CONSDEV_COM0 1
64#define CONSDEV_COM1 2
65#define CONSDEV_COM2 3
66#define CONSDEV_COM3 4
67#define CONSDEV_COM0KBD 5
68#define CONSDEV_COM1KBD 6
69#define CONSDEV_COM2KBD 7
70#define CONSDEV_COM3KBD 8
71#define CONSDEV_AUTO (-1)
72int iskey(int);
73char awaitkey(int, int);
74void wait_sec(int);
75
76/* multiboot */
77struct multiboot_package;
78struct multiboot_package_priv;
79
80struct multiboot_package {
81	int			 mbp_version;
82	struct multiboot_header	*mbp_header;
83	const char		*mbp_file;
84	char			*mbp_args;
85	u_long			 mbp_basemem;
86	u_long			 mbp_extmem;
87	u_long			 mbp_loadaddr;
88	u_long			*mbp_marks;
89	struct multiboot_package_priv*mbp_priv;
90	struct multiboot_package*(*mbp_probe)(const char *);
91	int			(*mbp_exec)(struct multiboot_package *);
92	void			(*mbp_cleanup)(struct multiboot_package *);
93};
94
95struct multiboot_package *probe_multiboot1(const char *);
96struct multiboot_package *probe_multiboot2(const char *);
97
98/* this is in "user code"! */
99int parsebootfile(const char *, char **, char **, int *, int *, const char **);
100
101#ifdef XMS
102physaddr_t ppbcopy(physaddr_t, physaddr_t, int);
103int checkxms(void);
104physaddr_t xmsalloc(int);
105#endif
106
107/* parseutils.c */
108char *gettrailer(char *);
109int parseopts(const char *, int *);
110int parseboot(char *, char **, int *);
111
112/* menuutils.c */
113struct bootblk_command {
114	const char *c_name;
115	void (*c_fn)(char *);
116};
117void bootmenu(void);
118void docommand(char *);
119
120/* in "user code": */
121void command_help(char *);
122extern const struct bootblk_command commands[];
123
124/* asm bios/dos calls */
125__compactcall int biosdisk_extread(int, void *);
126int biosdisk_read(int, int, int, int, int, void *);
127__compactcall int biosdisk_reset(int);
128
129__compactcall int biosgetrtc(u_long *);
130int biosgetsystime(void);
131int comgetc(int);
132void cominit(int);
133__compactcall int computc(int, int);
134int comstatus(int);
135int congetc(void);
136int conisshift(void);
137int coniskey(void);
138__compactcall void conputc(int);
139void conclr(void);
140
141int getextmem2(int *);
142__compactcall int getextmemps2(void *);
143int getmementry(int *, int *);
144
145__compactcall int biosdisk_int13ext(int);
146__compactcall int biosdisk_getinfo(int);
147struct biosdisk_extinfo;
148__compactcall int biosdisk_getextinfo(int, struct biosdisk_extinfo *);
149int get_harddrives(void);
150void biosdisk_probe(void);
151
152void module_add(char *);
153void splash_add(char *);
154void rnd_add(char *);
155void fs_add(char *);
156void userconf_add(char *);
157void module_add_split(const char *, uint8_t);
158
159struct btinfo_framebuffer;
160void framebuffer_configure(struct btinfo_framebuffer *);
161
162void ksyms_addr_set(void *, void *, void *);
163
164#endif	/* __I386_STAND_LIBI386_H__ */
165