115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <assert.h>
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#include <bl_common.h>
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#include <debug.h>
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#include <errno.h>
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#include <plat_arm.h>
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#include <tbbr_img_desc.h>
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/* Struct to keep track of usable memory */
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typedef struct bl1_mem_info{
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uintptr_t mem_base;
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unsigned int mem_size;
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} bl1_mem_info_t;
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bl1_mem_info_t fwu_addr_map_secure[] = {
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{
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.mem_base = ARM_SHARED_RAM_BASE,
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.mem_size = ARM_SHARED_RAM_SIZE
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},
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{
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.mem_size = 0
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}
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};
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bl1_mem_info_t fwu_addr_map_non_secure[] = {
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{
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.mem_base = ARM_NS_DRAM1_BASE,
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.mem_size = ARM_NS_DRAM1_SIZE
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},
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{
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.mem_base = V2M_FLASH0_BASE,
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.mem_size = V2M_FLASH0_SIZE
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},
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{
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.mem_size = 0
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}
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};
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int bl1_plat_mem_check(uintptr_t mem_base,
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unsigned int mem_size,
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unsigned int flags)
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{
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unsigned int index = 0;
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bl1_mem_info_t *mmap;
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assert(mem_base);
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assert(mem_size);
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/*
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* Check the given image source and size.
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*/
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if (GET_SEC_STATE(flags) == SECURE)
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mmap = fwu_addr_map_secure;
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else
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mmap = fwu_addr_map_non_secure;
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while (mmap[index].mem_size) {
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if ((mem_base >= mmap[index].mem_base) &&
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((mem_base + mem_size)
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<= (mmap[index].mem_base +
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mmap[index].mem_size)))
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return 0;
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index++;
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}
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return -ENOMEM;
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}
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/*******************************************************************************
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* This function does linear search for image_id and returns image_desc.
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******************************************************************************/
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image_desc_t *bl1_plat_get_image_desc(unsigned int image_id)
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{
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unsigned int index = 0;
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while (bl1_tbbr_image_descs[index].image_id != INVALID_IMAGE_ID) {
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if (bl1_tbbr_image_descs[index].image_id == image_id)
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return &bl1_tbbr_image_descs[index];
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index++;
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}
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return NULL;
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}
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