support upgrade boardloader.

Author: lihuanhuan

core/embed/bootloader/main.c

@@ -637,6 +637,83 @@ static void check_bootloader_version(void) {
 
 #endif
 
+#if !PRODUCTION
+
+void check_board_update(void) {
+  char boardloader_path[] = "0:updates/boardloader.bin";
+  char boardloader_path_legacy[] = "0:boot/boardloader.bin";
+  char* boardloader_path_p = NULL;
+
+  uint8_t* boardloader_buf = (uint8_t*)0x24000000;
+
+  // check file exists
+  if (emmc_fs_path_exist(boardloader_path)) {
+    boardloader_path_p = boardloader_path;
+  } else if (emmc_fs_path_exist(boardloader_path_legacy)) {
+    boardloader_path_p = boardloader_path_legacy;
+  }
+  if (boardloader_path_p == NULL) return;
+
+  // check file size
+  EMMC_PATH_INFO file_info;
+  if (!emmc_fs_path_info(boardloader_path_p, &file_info)) return;
+  if (file_info.size != BOARDLOADER_SIZE) return;
+
+  // read file to buffer
+  uint32_t num_of_read = 0;
+  if (!emmc_fs_file_read(boardloader_path_p, 0, boardloader_buf, file_info.size,
+                         &num_of_read))
+    return;
+
+  display_printf("update boardloader\n");
+  display_printf("\rErasing: ");
+  if (flash_erase(FLASH_SECTOR_BOARDLOADER) != sectrue) {
+    display_printf(" fail\n");
+    return;
+  }
+  display_printf(" done\n");
+
+  display_printf("\rPreparing Write: ");
+  if (flash_unlock_write() != sectrue) {
+    display_printf(" fail\n");
+    return;
+  }
+
+  display_printf("\rWriting: ");
+  size_t processed_bytes = 0;
+  uint16_t last_progress = 0;
+  uint16_t current_progress = 0;
+  for (size_t sector_offset = 0; sector_offset < BOARDLOADER_SIZE;
+       sector_offset += 32) {
+    if (flash_write_words(FLASH_SECTOR_BOARDLOADER, sector_offset,
+                          (uint32_t*)(boardloader_buf + processed_bytes)) !=
+        sectrue) {
+      display_printf(" fail\n");
+      return;
+    }
+    processed_bytes += 32;
+    current_progress = (uint16_t)(processed_bytes * 100 / BOARDLOADER_SIZE);
+    if (last_progress != current_progress) {
+      display_printf("\rWriting: %u%%", current_progress);
+      last_progress = current_progress;
+      hal_delay(100);
+    }
+  }
+  display_printf(" done\n");
+
+  display_printf("\rFinishing Write: ");
+  if (flash_lock_write() != sectrue) {
+    display_printf(" fail\n");
+    return;
+  }
+  display_printf(" done\n");
+  emmc_fs_file_delete(boardloader_path_p);
+  hal_delay(1000);
+  restart();
+}
+
+#endif
+
 static bool enter_boot_forced(void) {
   return *BOOT_TARGET_FLAG_ADDR == BOOT_TARGET_BOOTLOADER;
 }
@@ -797,6 +874,12 @@ int main(void) {
   // check bootloader downgrade
   check_bootloader_version();
 
+#endif
+
+#if !PRODUCTION
+
+  check_board_update();
+
 #endif
 
   if (!enter_boot_forced()) {