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Annotation of sys/arch/sparc/stand/common/promdev.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: promdev.h,v 1.3 2003/08/14 17:13:57 deraadt Exp $     */
        !             2: /*     $NetBSD: promdev.h,v 1.3 1995/09/18 21:31:50 pk Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1993 Paul Kranenburg
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *      This product includes software developed by Paul Kranenburg.
        !            19:  * 4. The name of the author may not be used to endorse or promote products
        !            20:  *    derived from this software without specific prior written permission
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: #include <machine/bsd_openprom.h>
        !            35:
        !            36: struct promdata {
        !            37:        int     fd;                     /* Openboot descriptor */
        !            38:        struct  saioreq *si;            /* Oldmon IO request */
        !            39:        int     devtype;                /* Kind of device we're booting from */
        !            40: #define DT_BLOCK       1
        !            41: #define DT_NET         2
        !            42: #define DT_BYTE                3
        !            43:        /* Hooks for netif.c */
        !            44:        int     (*xmit)(struct promdata *, void *, size_t);
        !            45:        int     (*recv)(struct promdata *, void *, size_t);
        !            46: };
        !            47:
        !            48: #define LOADADDR       ((caddr_t)0x4000)
        !            49: #define DDB_MAGIC0     ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('0') )
        !            50: #define DDB_MAGIC1     ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('1') )
        !            51: #define DDB_MAGIC      DDB_MAGIC0
        !            52:
        !            53: extern struct promvec  *promvec;
        !            54: extern char    *prom_bootdevice;
        !            55: extern char    *prom_bootfile;
        !            56: extern int     prom_boothow;
        !            57: extern int     hz;
        !            58: extern int     cputyp, nbpg, pgofset, pgshift;
        !            59: extern int     debug;
        !            60:
        !            61: extern void    prom_init(void);
        !            62:
        !            63: /* Note: dvma_*() routines are for "oldmon" machines only */
        !            64: extern void    dvma_init(void);
        !            65: extern char    *dvma_mapin(char *, size_t);
        !            66: extern char    *dvma_mapout(char *, size_t);
        !            67: extern char    *dvma_alloc(int);
        !            68: extern void    dvma_free(char *, int);
        !            69:
        !            70: /*
        !            71:  * duplicates from pmap.c for mapping device on "oldmon" machines.
        !            72:  */
        !            73: #include <sparc/sparc/asm.h>
        !            74:
        !            75: #define getcontext()           lduba(AC_CONTEXT, ASI_CONTROL)
        !            76: #define setcontext(c)          stba(AC_CONTEXT, ASI_CONTROL, c)
        !            77: #define getsegmap(va)          (cputyp == CPU_SUN4C \
        !            78:                                        ? lduba(va, ASI_SEGMAP) \
        !            79:                                        : lduha(va, ASI_SEGMAP))
        !            80: #define setsegmap(va, pmeg)    (cputyp == CPU_SUN4C \
        !            81:                                        ? stba(va, ASI_SEGMAP, pmeg) \
        !            82:                                        : stha(va, ASI_SEGMAP, pmeg))
        !            83: #define getregmap(va)          ((unsigned)lduha(va+2, ASI_REGMAP) >> 8)
        !            84: #define setregmap(va, smeg)    stha(va+2, ASI_REGMAP, (smeg << 8))
        !            85:
        !            86: #define getpte(va)             lda(va, ASI_PTE)
        !            87: #define setpte(va, pte)                sta(va, ASI_PTE, pte)