motload-gev.h

/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 * Copyright (c) 2026 Chris Johns <chrisj@rtems.org>.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
 
/*
 * MOTLoad Global Environment Variables (GEVs).
 *
 * See Section A.3 of MOTLoad Firmware Package
 *  (https://www.mvme.net/manuals/MOTLoad%20Firmware%20Package.pdf(
 */
 
#ifndef _POWERPC_MOTLOAD_GEV_h
#define _POWERPC_MOTLOAD_GEV_h
 
#include <stdbool.h>
 
#include <rtems.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/*
 * Get a GEV variable
 */
int motload_gev_get(uintptr_t nvram_base, const char* name, char* val,
                    const size_t val_len);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif