tools: Mass fixing of empty prototypes (for -Wstrict-prototypes)

components/bootloader_support/src/bootloader_clock.c

@@ -18,7 +18,7 @@
 #include "soc/dport_reg.h"
 #include "soc/efuse_periph.h"
 
-void bootloader_clock_configure()
+void bootloader_clock_configure(void)
 {
     // ROM bootloader may have put a lot of text into UART0 FIFO.
     // Wait for it to be printed.

components/bootloader_support/src/bootloader_common.c

@@ -256,7 +256,7 @@ esp_err_t bootloader_common_get_partition_description(const esp_partition_pos_t
     return ESP_OK;
 }
 
-void bootloader_common_vddsdio_configure()
+void bootloader_common_vddsdio_configure(void)
 {
 #if CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_9V
     rtc_vddsdio_config_t cfg = rtc_vddsdio_get_config();

components/bootloader_support/src/bootloader_flash.c

@@ -25,7 +25,7 @@ static const char *TAG = "bootloader_mmap";
 
 static spi_flash_mmap_handle_t map;
 
-uint32_t bootloader_mmap_get_free_pages()
+uint32_t bootloader_mmap_get_free_pages(void)
 {
     return spi_flash_mmap_get_free_pages(SPI_FLASH_MMAP_DATA);
 }
@@ -103,7 +103,7 @@ static bool mapped;
 // Current bootloader mapping (ab)used for bootloader_read()
 static uint32_t current_read_mapping = UINT32_MAX;
 
-uint32_t bootloader_mmap_get_free_pages()
+uint32_t bootloader_mmap_get_free_pages(void)
 {
     /**
      * Allow mapping up to 50 of the 51 available MMU blocks (last one used for reads)

components/bootloader_support/src/bootloader_flash_config.c

@@ -27,12 +27,12 @@
 #include "flash_qio_mode.h"
 #include "bootloader_flash_config.h"
 
-void bootloader_flash_update_id()
+void bootloader_flash_update_id(void)
 {
     g_rom_flashchip.device_id = bootloader_read_flash_id();
 }
 
-void IRAM_ATTR bootloader_flash_cs_timing_config()
+void IRAM_ATTR bootloader_flash_cs_timing_config(void)
 {
     SET_PERI_REG_MASK(SPI_USER_REG(0), SPI_CS_HOLD_M | SPI_CS_SETUP_M);
     SET_PERI_REG_BITS(SPI_CTRL2_REG(0), SPI_HOLD_TIME_V, 1, SPI_HOLD_TIME_S);

components/bootloader_support/src/bootloader_init.c

@@ -61,7 +61,7 @@ extern int _data_end;
 
 static const char* TAG = "boot";
 
-static esp_err_t bootloader_main();
+static esp_err_t bootloader_main(void);
 static void print_flash_info(const esp_image_header_t* pfhdr);
 static void update_flash_config(const esp_image_header_t* pfhdr);
 static void bootloader_init_flash_configure(const esp_image_header_t* pfhdr);
@@ -69,7 +69,7 @@ static void uart_console_configure(void);
 static void wdt_reset_check(void);
 
 
-esp_err_t bootloader_init()
+esp_err_t bootloader_init(void)
 {
     cpu_configure_region_protection();
     cpu_init_memctl();
@@ -117,7 +117,7 @@ esp_err_t bootloader_init()
     return ESP_OK;
 }
 
-static esp_err_t bootloader_main()
+static esp_err_t bootloader_main(void)
 {
     bootloader_common_vddsdio_configure();
     /* Read and keep flash ID, for further use. */
@@ -434,7 +434,7 @@ void __assert_func(const char *file, int line, const char *func, const char *exp
     while(1) {}
 }
 
-void abort()
+void abort(void)
 {
 #if !CONFIG_ESP32_PANIC_SILENT_REBOOT
     ets_printf("abort() was called at PC 0x%08x\r\n", (intptr_t)__builtin_return_address(0) - 3);

components/bootloader_support/src/esp32/bootloader_sha.c

@@ -27,7 +27,7 @@ static const size_t BLOCK_WORDS = (64 / sizeof(uint32_t));
 // Words in final SHA256 digest
 static const size_t DIGEST_WORDS = (32 / sizeof(uint32_t));
 
-bootloader_sha256_handle_t bootloader_sha256_start()
+bootloader_sha256_handle_t bootloader_sha256_start(void)
 {
     // Enable SHA hardware
     ets_sha_enable();

components/bootloader_support/src/esp32/flash_encrypt.c

@@ -38,7 +38,7 @@ static const char *TAG = "flash_encrypt";
 /* Static functions for stages of flash encryption */
 static esp_err_t initialise_flash_encryption(void);
 static esp_err_t encrypt_flash_contents(uint32_t flash_crypt_cnt, bool flash_crypt_wr_dis);
-static esp_err_t encrypt_bootloader();
+static esp_err_t encrypt_bootloader(void);
 static esp_err_t encrypt_and_load_partition_table(esp_partition_info_t *partition_table, int *num_partitions);
 static esp_err_t encrypt_partition(int index, const esp_partition_info_t *partition);
 
@@ -223,7 +223,7 @@ static esp_err_t encrypt_flash_contents(uint32_t flash_crypt_cnt, bool flash_cry
     return ESP_OK;
 }
 
-static esp_err_t encrypt_bootloader()
+static esp_err_t encrypt_bootloader(void)
 {
     esp_err_t err;
     uint32_t image_length;

components/bootloader_support/src/esp32/secure_boot.c

@@ -95,7 +95,7 @@ static bool secure_boot_generate(uint32_t image_len){
 }
 
 /* Burn values written to the efuse write registers */
-static inline void burn_efuses()
+static inline void burn_efuses(void)
 {
     esp_efuse_burn_new_values();
 }

components/bootloader_support/src/flash_encrypt.c

@@ -17,7 +17,7 @@
 #include "esp_efuse_table.h"
 #include "esp_flash_encrypt.h"
 
-void esp_flash_write_protect_crypt_cnt()
+void esp_flash_write_protect_crypt_cnt(void)
 {
     uint8_t flash_crypt_cnt_wr_dis = 0;
     esp_efuse_read_field_blob(ESP_EFUSE_WR_DIS_FLASH_CRYPT_CNT, &flash_crypt_cnt_wr_dis, 1);
@@ -26,7 +26,7 @@ void esp_flash_write_protect_crypt_cnt()
     }
 }
 
-esp_flash_enc_mode_t esp_get_flash_encryption_mode()
+esp_flash_enc_mode_t esp_get_flash_encryption_mode(void)
 {
     uint8_t efuse_flash_crypt_cnt_wr_protected = 0;
     uint8_t dis_dl_enc = 0, dis_dl_dec = 0, dis_dl_cache = 0;

components/bootloader_support/src/flash_qio_mode.c

@@ -53,11 +53,11 @@ typedef struct __attribute__((packed)) {
 } qio_info_t;
 
 /* Read 8 bit status using RDSR command */
-static unsigned read_status_8b_rdsr();
+static unsigned read_status_8b_rdsr(void);
 /* Read 8 bit status (second byte) using RDSR2 command */
-static unsigned read_status_8b_rdsr2();
+static unsigned read_status_8b_rdsr2(void);
 /* read 16 bit status using RDSR & RDSR2 (low and high bytes) */
-static unsigned read_status_16b_rdsr_rdsr2();
+static unsigned read_status_16b_rdsr_rdsr2(void);
 
 /* Write 8 bit status using WRSR */
 static void write_status_8b_wrsr(unsigned new_status);
@@ -67,7 +67,7 @@ static void write_status_8b_wrsr2(unsigned new_status);
 static void write_status_16b_wrsr(unsigned new_status);
 
 /* Read 8 bit status of XM25QU64A  */
-static unsigned read_status_8b_xmc25qu64a();
+static unsigned read_status_8b_xmc25qu64a(void);
 /* Write 8 bit status of XM25QU64A */
 static void write_status_8b_xmc25qu64a(unsigned new_status);
 
@@ -121,7 +121,7 @@ static uint32_t execute_flash_command(uint8_t command, uint32_t mosi_data, uint8
 
 /* dummy_len_plus values defined in ROM for SPI flash configuration */
 extern uint8_t g_rom_spiflash_dummy_len_plus[];
-uint32_t bootloader_read_flash_id()
+uint32_t bootloader_read_flash_id(void)
 {
     uint32_t id = execute_flash_command(CMD_RDID, 0, 0, 24);
     id = ((id & 0xff) << 16) | ((id >> 16) & 0xff) | (id & 0xff00);
@@ -223,17 +223,17 @@ static esp_err_t enable_qio_mode(read_status_fn_t read_status_fn,
     return ESP_OK;
 }
 
-static unsigned read_status_8b_rdsr()
+static unsigned read_status_8b_rdsr(void)
 {
     return execute_flash_command(CMD_RDSR, 0, 0, 8);
 }
 
-static unsigned read_status_8b_rdsr2()
+static unsigned read_status_8b_rdsr2(void)
 {
     return execute_flash_command(CMD_RDSR2, 0, 0, 8);
 }
 
-static unsigned read_status_16b_rdsr_rdsr2()
+static unsigned read_status_16b_rdsr_rdsr2(void)
 {
     return execute_flash_command(CMD_RDSR, 0, 0, 8) | (execute_flash_command(CMD_RDSR2, 0, 0, 8) << 8);
 }
@@ -253,7 +253,7 @@ static void write_status_16b_wrsr(unsigned new_status)
     execute_flash_command(CMD_WRSR, new_status, 16, 0);
 }
 
-static unsigned read_status_8b_xmc25qu64a()
+static unsigned read_status_8b_xmc25qu64a(void)
 {
     execute_flash_command(CMD_OTPEN, 0, 0, 0);  /* Enter OTP mode */
     esp_rom_spiflash_wait_idle(&g_rom_flashchip);

components/bootloader_support/src/idf/bootloader_sha.c

@@ -18,7 +18,7 @@
 #include <sys/param.h>
 #include <mbedtls/sha256.h>
 
-bootloader_sha256_handle_t bootloader_sha256_start()
+bootloader_sha256_handle_t bootloader_sha256_start(void)
 {
     mbedtls_sha256_context *ctx = (mbedtls_sha256_context *)malloc(sizeof(mbedtls_sha256_context));
     if (!ctx) {