xref: /freebsd/sys/dev/sram/mmio_sram_if.m (revision 031beb4e239bfce798af17f5fe8dba8bcaf13d99)

#-
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2022 Ruslan Bukin <br@bsdpad.com>
#
# This work was supported by Innovate UK project 105694, "Digital Security by
# Design (DSbD) Technology Platform Prototype".
#
# 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.
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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# (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
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#

#include <machine/bus.h>

INTERFACE mmio_sram;

METHOD uint8_t read_1 {
	device_t		dev;
	bus_size_t		offset;
};

METHOD void write_1 {
	device_t		dev;
	bus_size_t		offset;
	uint8_t			value;
};