src/include/alpha_autoconf.h

/* GXemul: $Id: alpha_autoconf.h,v 1.2 2006/06/17 09:35:37 debug Exp $ */
/* $NetBSD: autoconf.h,v 1.22 2005/12/11 12:16:16 christos Exp $ */

#ifndef ALPHA_AUTOCONF_H
#define ALPHA_AUTOCONF_H

#include "misc.h"

/*
 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Chris G. Demetriou
 * 
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

/*
 * Machine-dependent structures for autoconfiguration
 */

#if 0   /*  not in gxemul  */
struct mainbus_attach_args {
        const char *ma_name;            /* device name */
        int         ma_slot;            /* CPU "slot" number; only meaningful
                                           when attaching CPUs */
};

struct bootdev_data {
        char    *protocol;
        int     bus;
        int     slot;
        int     channel;
        char    *remote_address;
        int     unit;
        int     boot_dev_type;
        char    *ctrl_dev_type;
};
#endif

/*
 * The boot program passes a pointer (in the boot environment virtual
 * address address space; "BEVA") to a bootinfo to the kernel using
 * the following convention:
 *
 *      a0 contains first free page frame number
 *      a1 contains page number of current level 1 page table
 *      if a2 contains BOOTINFO_MAGIC and a4 is nonzero:
 *              a3 contains pointer (BEVA) to bootinfo
 *              a4 contains bootinfo version number
 *      if a2 contains BOOTINFO_MAGIC and a4 contains 0 (backward compat):
 *              a3 contains pointer (BEVA) to bootinfo version
 *                  (u_long), then the bootinfo
 */

#define ALPHA_BOOTINFO_MAGIC            0xdeadbeeffeedfaceULL

struct bootinfo_v1 {
        u_long  ssym;                   /* 0: start of kernel sym table */
        u_long  esym;                   /* 8: end of kernel sym table   */
        char    boot_flags[64];         /* 16: boot flags               */
        char    booted_kernel[64];      /* 80: name of booted kernel    */
        void    *hwrpb;                 /* 144: hwrpb pointer (BEVA)    */
        u_long  hwrpbsize;              /* 152: size of hwrpb data      */
        int     (*cngetc)(void);        /* 160: console getc pointer    */
        void    (*cnputc)(int);         /* 168: console putc pointer    */
        void    (*cnpollc)(int);        /* 176: console pollc pointer   */
        u_long  pad[9];                 /* 184: rsvd for future use     */
                                        /* 256: total size              */
};

/*
 * Kernel-internal structure used to hold important bits of boot
 * information.  NOT to be used by boot blocks.
 *
 * Note that not all of the fields from the bootinfo struct(s)
 * passed by the boot blocks aren't here (because they're not currently
 * used by the kernel!).  Fields here which aren't supplied by the
 * bootinfo structure passed by the boot blocks are supposed to be
 * filled in at startup with sane contents.
 */
struct bootinfo_kernel {
        u_long  ssym;                   /* start of syms */
        u_long  esym;                   /* end of syms */
        u_long  hwrpb_phys;             /* hwrpb physical address */
        u_long  hwrpb_size;             /* size of hwrpb data */
        char    boot_flags[64];         /* boot flags */
        char    booted_kernel[64];      /* name of booted kernel */
        char    booted_dev[64];         /* name of booted device */
};

/*
 * Lookup table entry for Alpha system variations.
 */
struct alpha_variation_table {
        u_int64_t       avt_variation;  /* variation, from HWRPB */
        const char      *avt_model;     /* model string */
};

#ifdef _KERNEL
extern struct bootdev_data *bootdev_data;
extern struct bootinfo_kernel bootinfo;

const char *alpha_variation_name(u_int64_t,
    const struct alpha_variation_table *);
const char *alpha_unknown_sysname(void);
#endif /* _KERNEL */

#endif  /*  ALPHA_AUTOCONF_H  */
1	/* GXemul: $Id: alpha_autoconf.h,v 1.2 2006/06/17 09:35:37 debug Exp $ */
2	/* $NetBSD: autoconf.h,v 1.22 2005/12/11 12:16:16 christos Exp $ */
3
4	#ifndef ALPHA_AUTOCONF_H
5	#define ALPHA_AUTOCONF_H
6
7	#include "misc.h"
8
9	/*
10	* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
11	* All rights reserved.
12	*
13	* Author: Chris G. Demetriou
14	*
15	* Permission to use, copy, modify and distribute this software and
16	* its documentation is hereby granted, provided that both the copyright
17	* notice and this permission notice appear in all copies of the
18	* software, derivative works or modified versions, and any portions
19	* thereof, and that both notices appear in supporting documentation.
20	*
21	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
22	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
23	* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
24	*
25	* Carnegie Mellon requests users of this software to return to
26	*
27	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
28	* School of Computer Science
29	* Carnegie Mellon University
30	* Pittsburgh PA 15213-3890
31	*
32	* any improvements or extensions that they make and grant Carnegie the
33	* rights to redistribute these changes.
34	*/
35
36	/*
37	* Machine-dependent structures for autoconfiguration
38	*/
39
40	#if 0 /* not in gxemul */
41	struct mainbus_attach_args {
42	const char ma_name; / device name */
43	int ma_slot; /* CPU "slot" number; only meaningful
44	when attaching CPUs */
45	};
46
47	struct bootdev_data {
48	char *protocol;
49	int bus;
50	int slot;
51	int channel;
52	char *remote_address;
53	int unit;
54	int boot_dev_type;
55	char *ctrl_dev_type;
56	};
57	#endif
58
59	/*
60	* The boot program passes a pointer (in the boot environment virtual
61	* address address space; "BEVA") to a bootinfo to the kernel using
62	* the following convention:
63	*
64	* a0 contains first free page frame number
65	* a1 contains page number of current level 1 page table
66	* if a2 contains BOOTINFO_MAGIC and a4 is nonzero:
67	* a3 contains pointer (BEVA) to bootinfo
68	* a4 contains bootinfo version number
69	* if a2 contains BOOTINFO_MAGIC and a4 contains 0 (backward compat):
70	* a3 contains pointer (BEVA) to bootinfo version
71	* (u_long), then the bootinfo
72	*/
73
74	#define ALPHA_BOOTINFO_MAGIC 0xdeadbeeffeedfaceULL
75
76	struct bootinfo_v1 {
77	u_long ssym; /* 0: start of kernel sym table */
78	u_long esym; /* 8: end of kernel sym table */
79	char boot_flags[64]; /* 16: boot flags */
80	char booted_kernel[64]; /* 80: name of booted kernel */
81	void hwrpb; / 144: hwrpb pointer (BEVA) */
82	u_long hwrpbsize; /* 152: size of hwrpb data */
83	int (cngetc)(void); / 160: console getc pointer */
84	void (cnputc)(int); / 168: console putc pointer */
85	void (cnpollc)(int); / 176: console pollc pointer */
86	u_long pad[9]; /* 184: rsvd for future use */
87	/* 256: total size */
88	};
89
90	/*
91	* Kernel-internal structure used to hold important bits of boot
92	* information. NOT to be used by boot blocks.
93	*
94	* Note that not all of the fields from the bootinfo struct(s)
95	* passed by the boot blocks aren't here (because they're not currently
96	* used by the kernel!). Fields here which aren't supplied by the
97	* bootinfo structure passed by the boot blocks are supposed to be
98	* filled in at startup with sane contents.
99	*/
100	struct bootinfo_kernel {
101	u_long ssym; /* start of syms */
102	u_long esym; /* end of syms */
103	u_long hwrpb_phys; /* hwrpb physical address */
104	u_long hwrpb_size; /* size of hwrpb data */
105	char boot_flags[64]; /* boot flags */
106	char booted_kernel[64]; /* name of booted kernel */
107	char booted_dev[64]; /* name of booted device */
108	};
109
110	/*
111	* Lookup table entry for Alpha system variations.
112	*/
113	struct alpha_variation_table {
114	u_int64_t avt_variation; /* variation, from HWRPB */
115	const char avt_model; / model string */
116	};
117
118	#ifdef _KERNEL
119	extern struct bootdev_data *bootdev_data;
120	extern struct bootinfo_kernel bootinfo;
121
122	const char *alpha_variation_name(u_int64_t,
123	const struct alpha_variation_table *);
124	const char *alpha_unknown_sysname(void);
125	#endif /* _KERNEL */
126
127	#endif /* ALPHA_AUTOCONF_H */