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https://github.com/espressif/esp-idf.git
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159d222973
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.
126 lines
4.5 KiB
Plaintext
126 lines
4.5 KiB
Plaintext
/*
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* SPDX-FileCopyrightText: 2021-2024 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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#define ALIGN_UP(SIZE, AL) (((SIZE) + (AL - 1)) & ~(AL - 1))
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/* CPU instruction prefetch padding size for flash mmap scenario */
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#define _esp_flash_mmap_prefetch_pad_size 16
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/*
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* PMP region granularity size
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* Software may determine the PMP granularity by writing zero to pmp0cfg, then writing all ones
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* to pmpaddr0, then reading back pmpaddr0. If G is the index of the least-significant bit set,
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* the PMP granularity is 2^G+2 bytes.
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*/
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#ifdef CONFIG_SOC_CPU_PMP_REGION_GRANULARITY
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#define _esp_pmp_align_size CONFIG_SOC_CPU_PMP_REGION_GRANULARITY
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#else
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#define _esp_pmp_align_size 0
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#endif
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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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#define _esp_memprot_prefetch_pad_size CONFIG_SOC_MEMPROT_CPU_PREFETCH_PAD_SIZE
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#else
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#define _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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#define _esp_memprot_align_size CONFIG_SOC_MEMPROT_MEM_ALIGN_SIZE
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#else
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#define _esp_memprot_align_size 0
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#endif
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#if CONFIG_APP_BUILD_TYPE_RAM
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#define _esp_mmu_page_size 0
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#else
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#define _esp_mmu_page_size CONFIG_MMU_PAGE_SIZE
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#endif
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#define ALIGN_UP(SIZE, AL) (((SIZE) + (AL - 1)) & ~(AL - 1))
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#if CONFIG_SOC_RTC_MEM_SUPPORTED
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#if CONFIG_BOOTLOADER_RESERVE_RTC_MEM
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/**
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* The ESP_BOOTLOADER_RESERVE_RTC size must have the same alignment of RTC_TIMER_RESERVE_RTC, else
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* the segment will overflow at link time because not enough bytes are allocated for the RTC segment.
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*/
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#ifdef CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
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#define ESP_BOOTLOADER_RESERVE_RTC ALIGN_UP(CONFIG_BOOTLOADER_RESERVE_RTC_SIZE + CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE, 8)
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#else
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#define ESP_BOOTLOADER_RESERVE_RTC ALIGN_UP(CONFIG_BOOTLOADER_RESERVE_RTC_SIZE, 8)
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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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#elif CONFIG_ESP_ROM_HAS_LP_ROM && CONFIG_ULP_COPROC_ENABLED
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/* RTC Reserved is placed before ULP memory, expand it to make sure the ULP start address
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has the required alignment */
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#define ULP_ALIGNMENT_REQ_BYTES 256
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#define RESERVE_RTC_MEM ALIGN_UP(ESP_BOOTLOADER_RESERVE_RTC + RTC_TIMER_RESERVE_RTC \
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+ CONFIG_SECURE_BOOT_ROM_FAST_WAKE_RESERVE_SIZE, ULP_ALIGNMENT_REQ_BYTES)
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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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#if CONFIG_P4_REV3_MSPI_CRASH_AFTER_POWER_UP_WORKAROUND
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#define MSPI_WORKAROUND_SIZE CONFIG_P4_REV3_MSPI_WORKAROUND_SIZE
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#else
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#define MSPI_WORKAROUND_SIZE 0x0
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#endif
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#endif // SOC_RTC_MEM_SUPPORTED
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#define QUOTED_STRING(STRING) #STRING
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#define ASSERT_SECTIONS_GAP(PREV_SECTION, NEXT_SECTION) \
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ASSERT((ADDR(NEXT_SECTION) == ADDR(PREV_SECTION) + SIZEOF(PREV_SECTION)), \
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QUOTED_STRING(The gap between PREV_SECTION and NEXT_SECTION must not exist to produce the final bin image.))
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#define ALIGNED_SYMBOL(X, SYMBOL) \
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\n . = ALIGN(X); \
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\n SYMBOL = ABSOLUTE(.);
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#if CONFIG_COMPILER_CXX_EXCEPTIONS || CONFIG_ESP_SYSTEM_USE_EH_FRAME
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#define EH_FRAME_LINKING_ENABLED 1
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#endif
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#if EH_FRAME_LINKING_ENABLED
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#if CONFIG_IDF_TARGET_ARCH_RISCV
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#define SECTION_AFTER_FLASH_RODATA .eh_frame_hdr
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#endif
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#if CONFIG_IDF_TARGET_ARCH_XTENSA
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#define SECTION_AFTER_FLASH_RODATA .eh_frame
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#endif
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#else
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#define SECTION_AFTER_FLASH_RODATA .flash.tdata
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#endif
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#if CONFIG_LIBC_PICOLIBC
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# if CONFIG_LIBC_PICOLIBC_NEWLIB_COMPATIBILITY
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# define PICOLIBC_REENT_STUB 16
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# else
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# define PICOLIBC_REENT_STUB 4
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# endif
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#define ASSERT_PICOLIBC_REENT_STUB() ASSERT((_picolibc_reent_stub_end - _picolibc_reent_stub_start) == PICOLIBC_REENT_STUB, "Newlib _reent stub have wrong size")
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#else
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#define ASSERT_PICOLIBC_REENT_STUB()
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#endif
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#define SECTION_MAPPINGS(SECTION_NAME) \
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\n arrays[SECTION_NAME] \
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\n mapping[SECTION_NAME] \
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\n mutable[SECTION_NAME]
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