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Annotation of sys/arch/alpha/include/autoconf.h, Revision 1.1

1.1     ! nbrk        1: /* $OpenBSD: autoconf.h,v 1.12 2001/09/01 05:48:18 jason Exp $ */
        !             2: /* $NetBSD: autoconf.h,v 1.19 2000/06/08 03:10:06 thorpej Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Author: Chris G. Demetriou
        !             9:  *
        !            10:  * Permission to use, copy, modify and distribute this software and
        !            11:  * its documentation is hereby granted, provided that both the copyright
        !            12:  * notice and this permission notice appear in all copies of the
        !            13:  * software, derivative works or modified versions, and any portions
        !            14:  * thereof, and that both notices appear in supporting documentation.
        !            15:  *
        !            16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            19:  *
        !            20:  * Carnegie Mellon requests users of this software to return to
        !            21:  *
        !            22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            23:  *  School of Computer Science
        !            24:  *  Carnegie Mellon University
        !            25:  *  Pittsburgh PA 15213-3890
        !            26:  *
        !            27:  * any improvements or extensions that they make and grant Carnegie the
        !            28:  * rights to redistribute these changes.
        !            29:  */
        !            30:
        !            31: /*
        !            32:  * Machine-dependent structures of autoconfiguration
        !            33:  */
        !            34:
        !            35: struct mainbus_attach_args {
        !            36:        const char *ma_name;            /* device name */
        !            37:        int         ma_slot;            /* CPU "slot" number; only meaningful
        !            38:                                           when attaching CPUs */
        !            39: };
        !            40:
        !            41: struct bootdev_data {
        !            42:        char    *protocol;
        !            43:        int     bus;
        !            44:        int     slot;
        !            45:        int     channel;
        !            46:        char    *remote_address;
        !            47:        int     unit;
        !            48:        int     boot_dev_type;
        !            49:        char    *ctrl_dev_type;
        !            50: };
        !            51:
        !            52: /*
        !            53:  * The boot program passes a pointer (in the boot environment virtual
        !            54:  * address address space; "BEVA") to a bootinfo to the kernel using
        !            55:  * the following convention:
        !            56:  *
        !            57:  *     a0 contains first free page frame number
        !            58:  *     a1 contains page number of current level 1 page table
        !            59:  *     if a2 contains BOOTINFO_MAGIC and a4 is nonzero:
        !            60:  *             a3 contains pointer (BEVA) to bootinfo
        !            61:  *             a4 contains bootinfo version number
        !            62:  *     if a2 contains BOOTINFO_MAGIC and a4 contains 0 (backward compat):
        !            63:  *             a3 contains pointer (BEVA) to bootinfo version
        !            64:  *                 (u_long), then the bootinfo
        !            65:  */
        !            66:
        !            67: #define        BOOTINFO_MAGIC                  0xdeadbeeffeedface
        !            68:
        !            69: struct bootinfo_v1 {
        !            70:        u_long  ssym;                   /* 0: start of kernel sym table */
        !            71:        u_long  esym;                   /* 8: end of kernel sym table   */
        !            72:        char    boot_flags[64];         /* 16: boot flags               */
        !            73:        char    booted_kernel[64];      /* 80: name of booted kernel    */
        !            74:        void    *hwrpb;                 /* 144: hwrpb pointer (BEVA)    */
        !            75:        u_long  hwrpbsize;              /* 152: size of hwrpb data      */
        !            76:        int     (*cngetc)(void);        /* 160: console getc pointer    */
        !            77:        void    (*cnputc)(int);         /* 168: console putc pointer    */
        !            78:        void    (*cnpollc)(int);        /* 176: console pollc pointer   */
        !            79:        u_long  pad[9];                 /* 184: rsvd for future use     */
        !            80:                                        /* 256: total size              */
        !            81: };
        !            82:
        !            83: /*
        !            84:  * Kernel-internal structure used to hold important bits of boot
        !            85:  * information.  NOT to be used by boot blocks.
        !            86:  *
        !            87:  * Note that not all of the fields from the bootinfo struct(s)
        !            88:  * passed by the boot blocks aren't here (because they're not currently
        !            89:  * used by the kernel!).  Fields here which aren't supplied by the
        !            90:  * bootinfo structure passed by the boot blocks are supposed to be
        !            91:  * filled in at startup with sane contents.
        !            92:  */
        !            93: struct bootinfo_kernel {
        !            94:        u_long  ssym;                   /* start of syms */
        !            95:        u_long  esym;                   /* end of syms */
        !            96:        u_long  hwrpb_phys;             /* hwrpb physical address */
        !            97:        u_long  hwrpb_size;             /* size of hwrpb data */
        !            98:        char    boot_flags[64];         /* boot flags */
        !            99:        char    booted_kernel[64];      /* name of booted kernel */
        !           100:        char    booted_dev[64];         /* name of booted device */
        !           101: };
        !           102:
        !           103: /*
        !           104:  * Lookup table entry for Alpha system variations.
        !           105:  */
        !           106: struct alpha_variation_table {
        !           107:        u_int64_t       avt_variation;  /* variation, from HWRPB */
        !           108:        const char      *avt_model;     /* model string */
        !           109: };
        !           110:
        !           111: #ifdef _KERNEL
        !           112: extern struct device *booted_device;
        !           113: extern int booted_partition;
        !           114: extern struct bootdev_data *bootdev_data;
        !           115: extern struct bootinfo_kernel bootinfo;
        !           116:
        !           117: const char *alpha_variation_name(u_int64_t,
        !           118:     const struct alpha_variation_table *);
        !           119: const char *alpha_unknown_sysname(void);
        !           120: #endif /* _KERNEL */