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033f61370a
Common mbedTLS implementation include the fixed configuration file of mbedTLS and that does not gives flexilibility to the platform to include their own mbedTLS configuration. Hence changes are done so that platform can include their own mbedTLS configuration file. Signed-off-by: Lucian Paul-Trifu <lucian.paul-trifu@arm.com> Signed-off-by: Manish V Badarkhe <manish.badarkhe@arm.com> Change-Id: I04546589f67299e26b0a6a6e151cdf1fdb302607
72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
/*
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* Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <stddef.h>
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/* mbed TLS headers */
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#include <mbedtls/memory_buffer_alloc.h>
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#include <mbedtls/platform.h>
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#include <common/debug.h>
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#include <drivers/auth/mbedtls/mbedtls_common.h>
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#include MBEDTLS_CONFIG_FILE
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#include <plat/common/platform.h>
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static void cleanup(void)
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{
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ERROR("EXIT from BL2\n");
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panic();
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}
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/*
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* mbed TLS initialization function
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*/
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void mbedtls_init(void)
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{
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static int ready;
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void *heap_addr;
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size_t heap_size = 0;
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int err;
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if (!ready) {
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if (atexit(cleanup))
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panic();
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err = plat_get_mbedtls_heap(&heap_addr, &heap_size);
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/* Ensure heap setup is proper */
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if (err < 0) {
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ERROR("Mbed TLS failed to get a heap\n");
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panic();
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}
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assert(heap_size >= TF_MBEDTLS_HEAP_SIZE);
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/* Initialize the mbed TLS heap */
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mbedtls_memory_buffer_alloc_init(heap_addr, heap_size);
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#ifdef MBEDTLS_PLATFORM_SNPRINTF_ALT
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mbedtls_platform_set_snprintf(snprintf);
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#endif
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ready = 1;
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}
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}
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/*
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* The following helper function simply returns the default allocated heap.
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* It can be used by platforms for their plat_get_mbedtls_heap() implementation.
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*/
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int get_mbedtls_heap_helper(void **heap_addr, size_t *heap_size)
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{
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static unsigned char heap[TF_MBEDTLS_HEAP_SIZE];
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assert(heap_addr != NULL);
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assert(heap_size != NULL);
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*heap_addr = heap;
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*heap_size = sizeof(heap);
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return 0;
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}
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