[GitHub] [incubator-nuttx] gustavonihei commented on a change in pull request #4233: board/ctrl: Add BOARDIOC_BOOT_IMAGE for loading an application image

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gustavonihei commented on a change in pull request #4233:
URL: https://github.com/apache/incubator-nuttx/pull/4233#discussion_r678556077



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File path: include/nuttx/board.h
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@@ -331,6 +331,28 @@ int board_uniquekey(FAR uint8_t *uniquekey);
 int board_switch_boot(FAR const char *system);
 #endif
 
+/****************************************************************************
+ * Name:  board_load_appimage
+ *
+ * Description:
+ *   Load an application image from a given load address and perform the
+ *   required actions for executing it (e.g. loading the Program Counter
+ *   register with the application image entry point address).
+ *
+ * Input Parameters:
+ *   loadaddr - Load address of the application image
+ *
+ * Returned Value:
+ *   If this function returns, then it was not possible to load the
+ *   application image due to some constraints. The return value in this case
+ *   is a board-specific reason for the failure.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_BOARDCTL_LOAD_APPIMAGE
+int board_load_appimage(uintptr_t loadaddr);

Review comment:
       I've changed `board_boot_image` to receive a string path instead of the address.
   
   > It's general question to get the block device offset and size, we can reference how BSD or Linux define the IOCTL. At least FIOC_MMAP/MTDIOC_XIPBASE can answer some query.
   
   See https://github.com/apache/incubator-nuttx/pull/4248, there I've proposed a new IOCTL for addressing this requirement.




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