esp-idf/components/esp_system/ld/ld.common

/*
 * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include "sdkconfig.h"

/* CPU instruction prefetch padding size for flash mmap scenario */
_esp_flash_mmap_prefetch_pad_size = 16;

/* CPU instruction prefetch padding size for memory protection scenario */
#ifdef CONFIG_SOC_MEMPROT_CPU_PREFETCH_PAD_SIZE
_esp_memprot_prefetch_pad_size = CONFIG_SOC_MEMPROT_CPU_PREFETCH_PAD_SIZE;
#else
_esp_memprot_prefetch_pad_size = 0;
#endif

/* Memory alignment size for PMS */
#ifdef CONFIG_SOC_MEMPROT_MEM_ALIGN_SIZE
_esp_memprot_align_size = CONFIG_SOC_MEMPROT_MEM_ALIGN_SIZE;
#else
_esp_memprot_align_size = 0;
#endif

#if CONFIG_APP_BUILD_TYPE_RAM
_esp_mmu_block_size = 0;
#else
_esp_mmu_block_size = (CONFIG_MMU_PAGE_SIZE);
#endif

#if CONFIG_SOC_RTC_MEM_SUPPORTED
    #if CONFIG_BOOTLOADER_RESERVE_RTC_MEM
        #ifdef CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
            #define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE + CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC_SIZE)
        #else
            #define ESP_BOOTLOADER_RESERVE_RTC (CONFIG_BOOTLOADER_RESERVE_RTC_SIZE)
        #endif // not CONFIG_BOOTLOADER_CUSTOM_RESERVE_RTC
    #else
        #define ESP_BOOTLOADER_RESERVE_RTC 0
    #endif // not CONFIG_BOOTLOADER_RESERVE_RTC_MEM

    /* rtc timer data (s_rtc_timer_retain_mem, see esp_clk.c files). For rtc_timer_data_in_rtc_mem section. */
    #define RTC_TIMER_RESERVE_RTC (24)

    #if CONFIG_IDF_TARGET_ESP32
        #define RESERVE_RTC_MEM (RTC_TIMER_RESERVE_RTC)
    #else
        #define RESERVE_RTC_MEM (ESP_BOOTLOADER_RESERVE_RTC + RTC_TIMER_RESERVE_RTC)
    #endif
#endif // SOC_RTC_MEM_SUPPORTED