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Annotation of sys/arch/aviion/stand/libprom/prom.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: prom.h,v 1.1 2006/05/16 22:48:18 miod Exp $   */
                      2: /*
                      3:  * Copyright (c) 2006, Miodrag Vallat
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  *
                     14:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     15:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     16:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     17:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
                     18:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     19:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     20:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     21:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     22:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
                     23:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     24:  * POSSIBILITY OF SUCH DAMAGE.
                     25:  */
                     26:
                     27: #define        SCM_CHAR                0x00
                     28: #define        SCM_OCHAR               0x20
                     29: #define        SCM_OCRLF               0x26
                     30: #define        SCM_HALT                0x63
                     31: #define        SCM_COMMID              0x114
                     32:
                     33: void   scm_getenaddr(u_char *);
                     34:
                     35: /*
                     36:  * Simpler version of SCM_CALL() from aviion/prom.c since we are using
                     37:  * in PROM context.
                     38:  */
                     39:
                     40: #define SCM_CALL(x) \
                     41:        __asm__ __volatile__ ("or r9, r0, " __STRING(x));               \
                     42:        __asm__ __volatile__ ("tb0 0, r0, 496" :::                      \
                     43:            "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8",             \
                     44:            "r9", "r10", "r11", "r12", "r13")