mcuboot/boot/zephyr/os.c

53 lines
1.4 KiB
C

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include <zephyr.h>
#include <string.h>
#include "os/os_heap.h"
#define MBEDTLS_CONFIG_FILE CONFIG_MBEDTLS_CFG_FILE
#include <mbedtls/platform.h>
/* D(void *os_malloc(size_t size)) */
void *os_calloc(size_t nelem, size_t size)
{
/* Note that this doesn't check for overflow. Assume the
* calls only come from within the app. */
size_t total = nelem * size;
void *buf = k_malloc(total);
if (buf) {
memset(buf, 0, total);
}
return buf;
}
void os_free(void *ptr)
{
k_free(ptr);
}
/*
* Initialize mbedtls to be able to use the local heap.
*/
void os_heap_init(void)
{
mbedtls_platform_set_calloc_free(os_calloc, os_free);
}