9ac68bcb51
- Using the prom getenv function determine the correct console port - Remove old prom function hooks - Tidy up bootflags (remove upper case names, fixup RB_ASKNAME) as recommended by Jaromír Doleèek
186 lines
6.5 KiB
C
186 lines
6.5 KiB
C
/* $NetBSD: prom.h,v 1.1 2000/08/19 12:13:47 wdk Exp $ */
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/*
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Wayne Knowles
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Entry points into PROM firmware functions for MIPS machines
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*/
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#ifndef _MIPSCO_FIRMWARE_H
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#define _MIPSCO_FIRMWARE_H
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struct mips_prom {
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/*
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* transferred to on hardware reset, configures MIPS boards,
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* runs diags, check for appropriate auto boot action in
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* "bootmode" environment variable and performs that action.
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*/
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void (*prom_reset) __P((void)) __attribute__((__noreturn__));
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/*
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* called to utilize prom to boot new image. After the booted
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* program returns control can either be returned to the
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* original caller of the exec routine or to the prom monitor.
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* (to return to the original caller, the new program must
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* not destroy any text, data, or stack of the parent. the
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* new programs stack continues on the parents stack.
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*/
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int (*prom_exec) __P((void));
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/* re-enter the prom command parser, do not reset prom state */
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void (*prom_restart) __P((void)) __attribute__((__noreturn__));
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/* reinitialize prom state and re-enter the prom command parser */
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void (*prom_reinit) __P((void)) __attribute__((__noreturn__));
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/* reboot machine using current bootmode setting. No diags */
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void (*prom_reboot) __P((void)) __attribute__((__noreturn__));
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/* perform an autoboot sequence, no configuration or diags run */
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void (*prom_autoboot) __P((void)) __attribute__((__noreturn__));
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/*
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* these routines access prom "saio" routines, and may be used
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* by standalone programs that would like to use prom io
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*/
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int (*prom_open) __P((char *, int, ...));
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int (*prom_read) __P((int, void *, int));
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int (*prom_write) __P((int, void *, int));
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int (*prom_ioctl) __P((int));
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int (*prom_close) __P((int));
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int (*prom_getchar) __P((void));
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int (*prom_putchar) __P((int c));
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void (*prom_showchar) __P((int c));
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char * (*prom_gets) __P((char *s));
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void (*prom_puts) __P((const char *));
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int (*prom_printf) __P((const char *, ...));
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/* prom protocol entry points */
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void (*prom_initproto) __P((void)); /* ??? */
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void (*prom_protoenable) __P((void)); /* ??? */
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void (*prom_protodisable) __P((void)); /* ??? */
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void (*prom_getpkt) __P((void)); /* ??? */
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void (*prom_putpkt) __P((void)); /* ??? */
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/*
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* read-modify-write routine use special cpu board circuitry to
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* accomplish vme bus r-m-w cycles.
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*/
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void (*prom_orw_rmw) __P((void));
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void (*prom_orh_rmw) __P((void));
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void (*prom_orb_rmw) __P((void));
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void (*prom_andw_rmw) __P((void));
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void (*prom_andh_rmw) __P((void));
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void (*prom_andb_rmw) __P((void));
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/*
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* cache control entry points
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* flushcache is called without arguments and invalidates entire
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* contents of both i and d caches
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* clearcache is called with a base address and length (where
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* address is either K0, K1, or physical) and clears both
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* i and d cache for entries that alias to specified address
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* range.
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*/
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void (*prom_flushcache) __P((void));
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void (*prom_clearcache) __P((void));
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/*
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* Libc compatible functions
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*/
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void (*prom_setjmp) __P((void));
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void (*prom_longjmp) __P((void));
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void (*prom_bevutlb) __P((void));
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char * (*prom_getenv) __P((char *name));
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int (*prom_setenv) __P((char *name, char *val));
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int (*prom_atob) __P((char *s));
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int (*prom_strcmp) __P((char *s1, char *s2));
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int (*prom_strlen) __P((char *s));
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char * (*prom_strcpy) __P((char *s1, char *s2));
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char * (*prom_strcat) __P((char *s1, char *s2));
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/*
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* command parser entry points
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*/
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void (*prom_parser) __P((void)); /* ??? */
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void (*prom_range) __P((void)); /* ??? */
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void (*prom_argvize) __P((void)); /* ??? */
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void (*prom_help) __P((void));
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/*
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* prom commands
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*/
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void (*prom_dumpcmd) __P((void));
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void (*prom_setenvcmd) __P((void));
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void (*prom_unsetenvcmd) __P((void));
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void (*prom_bevexcept) __P((void));
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void (*prom_enablecmd) __P((void));
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void (*prom_disablecmd) __P((void));
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/*
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* clear existing fault handlers
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* used by clients that link to prom on situations where client has
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* interrupted out of prom code and wish to reenter without being
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* tripped up by any pending prom timers set earlier.
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*/
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void (*prom_clearnofault) __P((void));
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void (*prom_notimpl) __P((void));
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/*
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* PROM_NVGET, PROM_NVSET will get/set information in the NVRAM.
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* Both of these routines take indexes as opposed to addresses
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* to guarantee portability between various platforms
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*/
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void (*prom_nvget) __P((void));
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void (*prom_nv_set) __P((void));
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};
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extern struct mips_prom *callv;
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/*
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* Macro to help call a prom function
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*/
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#define MIPS_PROM(func) (callv->prom_##func)
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/*
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* Return the address for a given prom function number */
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#define PROM_ENTRY(x) (0xbfc00000+((x)*8))
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#endif /* ! _MIPSCO_FIRMWARE_H */
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