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54439ecae1
MISRA-C requires that the controlling expression of an if statement or an iteration-statement shall be Boolean type. Tracked-On: #861 Signed-off-by: Shiqing Gao <shiqing.gao@intel.com> Reviewed-by: Junjie Mao <junjie.mao@intel.com>
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. 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 <hypervisor.h>
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#include <hob_parse.h>
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void parse_seed_list(struct seed_list_hob *seed_hob)
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{
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uint8_t i;
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uint8_t dseed_index = 0U;
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struct seed_entry *entry;
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struct seed_info dseed_list[BOOTLOADER_SEED_MAX_ENTRIES];
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if (seed_hob == NULL) {
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pr_warn("Invalid seed_list hob pointer. Use fake seed!");
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goto fail;
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}
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if (seed_hob->total_seed_count == 0U) {
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pr_warn("Total seed count is 0. Use fake seed!");
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goto fail;
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}
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entry = (struct seed_entry *)((uint8_t *)seed_hob +
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sizeof(struct seed_list_hob));
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for (i = 0U; i < seed_hob->total_seed_count; i++) {
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/* retrieve dseed */
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if ((SEED_ENTRY_TYPE_SVNSEED == entry->type) &&
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(SEED_ENTRY_USAGE_DSEED == entry->usage)) {
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/* The seed_entry with same type/usage are always
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* arranged by index in order of 0~3.
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*/
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if (entry->index != dseed_index) {
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pr_warn("Index mismatch. Use fake seed!");
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goto fail;
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}
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if (entry->index >= BOOTLOADER_SEED_MAX_ENTRIES) {
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pr_warn("Index exceed max number!");
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goto fail;
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}
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(void)memcpy_s(&dseed_list[dseed_index],
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sizeof(struct seed_info),
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entry->seed,
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sizeof(struct seed_info));
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dseed_index++;
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/* erase original seed in seed entry */
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(void)memset(entry->seed, 0U, sizeof(struct seed_info));
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}
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entry = (struct seed_entry *)((uint8_t *)entry +
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entry->seed_entry_size);
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}
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trusty_set_dseed(dseed_list, dseed_index);
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(void)memset(dseed_list, 0U, sizeof(dseed_list));
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return;
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fail:
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trusty_set_dseed(NULL, 0U);
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(void)memset(dseed_list, 0U, sizeof(dseed_list));
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}
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