memory.c

/* SPDX-License-Identifier: BSD-3-Clause */
/*
 * Authors: Haibo Xu <haibo.xu@arm.com>
 *
 * Copyright (c) 2018, Arm Ltd. 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.
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
 */

#include <solo5/setup.h>
#include <uk/plat/memory.h>
#include <uk/assert.h>

int ukplat_memregion_count(void)
{
	return _libsolo5plat_opts.heap.base ? 1 : 0;
}

/* Can only get the heap info from solo5 tender */
int ukplat_memregion_get(int i, struct ukplat_memregion_desc *m)
{
	int ret;

	UK_ASSERT(m);

	if (i == 0 && _libsolo5plat_opts.heap.base) {
		m->base  = _libsolo5plat_opts.heap.base;
		m->len   = _libsolo5plat_opts.heap.len;
		m->flags = UKPLAT_MEMRF_ALLOCATABLE;
#if CONFIG_UKPLAT_MEMRNAME
		m->name  = "heap";
#endif
		ret = 0;
	} else {
		/* invalid memory region index or no heap allocated */
		m->base  = __NULL;
		m->len   = 0;
		m->flags = 0x0;
#if CONFIG_UKPLAT_MEMRNAME
		m->name  = __NULL;
#endif
		ret = -1;
	}

	return ret;
}

int ukplat_memallocator_set(struct uk_alloc *a __unused)
{
	return 0;
}

struct uk_alloc *ukplat_memallocator_get(void)
{
	return __NULL;
}