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harshal.patil
e37d6e40b0
The digest length and the condition that reserves it at the end of RTC RAM were duplicated in seven places. Hold the reservation in a hidden Kconfig value that is zero when the feature does not apply, so every consumer subtracts it unconditionally, and derive ESP_SECURE_BOOT_DIGEST_LEN from it.
53 lines
1.7 KiB
Plaintext
53 lines
1.7 KiB
Plaintext
/*
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* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "sdkconfig.h"
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/* CPU instruction prefetch padding size for flash mmap scenario */
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_esp_flash_mmap_prefetch_pad_size = 16;
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/* CPU instruction prefetch padding size for memory protection scenario */
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#ifdef CONFIG_SOC_MEMPROT_CPU_PREFETCH_PAD_SIZE
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_esp_memprot_prefetch_pad_size = CONFIG_SOC_MEMPROT_CPU_PREFETCH_PAD_SIZE;
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#else
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_esp_memprot_prefetch_pad_size = 0;
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#endif
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/* Memory alignment size for PMS */
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#ifdef CONFIG_SOC_MEMPROT_MEM_ALIGN_SIZE
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_esp_memprot_align_size = CONFIG_SOC_MEMPROT_MEM_ALIGN_SIZE;
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#else
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_esp_memprot_align_size = 0;
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#endif
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#if CONFIG_APP_BUILD_TYPE_RAM
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_esp_mmu_block_size = 0;
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#else
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_esp_mmu_block_size = (CONFIG_MMU_PAGE_SIZE);
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#endif
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#if CONFIG_SOC_RTC_MEM_SUPPORTED
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#if CONFIG_BOOTLOADER_RESERVE_RTC_MEM
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#ifdef CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
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#define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE + CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE)
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#else
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#define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE)
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#endif // not CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
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#else
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#define ESP_BOOTLOADER_RESERVE_RTC 0
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#endif // not CONFIG_BOOTLOADER_RESERVE_RTC_MEM
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/* rtc timer data (s_rtc_timer_retain_mem, see esp_clk.c files). For rtc_timer_data_in_rtc_mem section. */
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#define RTC_TIMER_RESERVE_RTC (24)
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#if CONFIG_IDF_TARGET_ESP32
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#define RESERVE_RTC_MEM (RTC_TIMER_RESERVE_RTC)
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#else
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#define RESERVE_RTC_MEM (ESP_BOOTLOADER_RESERVE_RTC + RTC_TIMER_RESERVE_RTC \
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+ CONFIG_SECURE_BOOT_ROM_FAST_WAKE_RESERVE_SIZE)
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#endif
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#endif // SOC_RTC_MEM_SUPPORTED
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