image: bootm: Add OpenRTOS image type

Add separate image type for the Wittenstein OpenRTOS .

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

common/bootm_os.c

@@ -404,6 +404,32 @@ static int do_bootm_integrity(int flag, int argc, char * const argv[],
 }
 #endif
 
+#ifdef CONFIG_BOOTM_OPENRTOS
+static int do_bootm_openrtos(int flag, int argc, char * const argv[],
+			   bootm_headers_t *images)
+{
+	void (*entry_point)(void);
+
+	if (flag != BOOTM_STATE_OS_GO)
+		return 0;
+
+	entry_point = (void (*)(void))images->ep;
+
+	printf("## Transferring control to OpenRTOS (at address %08lx) ...\n",
+		(ulong)entry_point);
+
+	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+
+	/*
+	 * OpenRTOS Parameters:
+	 *   None
+	 */
+	(*entry_point)();
+
+	return 1;
+}
+#endif
+
 static boot_os_fn *boot_os[] = {
 	[IH_OS_U_BOOT] = do_bootm_standalone,
 #ifdef CONFIG_BOOTM_LINUX
@@ -434,6 +460,9 @@ static boot_os_fn *boot_os[] = {
 #ifdef CONFIG_INTEGRITY
 	[IH_OS_INTEGRITY] = do_bootm_integrity,
 #endif
+#ifdef CONFIG_BOOTM_OPENRTOS
+	[IH_OS_OPENRTOS] = do_bootm_openrtos,
+#endif
 };
 
 /* Allow for arch specific config before we boot */

common/image.c

@@ -120,6 +120,10 @@ static const table_entry_t uimage_os[] = {
 	{	IH_OS_SOLARIS,	"solaris",	"Solaris",		},
 	{	IH_OS_SVR4,	"svr4",		"SVR4",			},
 #endif
+#if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
+	{	IH_OS_OPENRTOS,	"openrtos",	"OpenRTOS",		},
+#endif
+
 	{	-1,		"",		"",			},
 };
 

include/image.h

@@ -152,6 +152,7 @@ struct lmb;
 #define IH_OS_INTEGRITY		21	/* INTEGRITY	*/
 #define IH_OS_OSE		22	/* OSE		*/
 #define IH_OS_PLAN9		23	/* Plan 9	*/
+#define IH_OS_OPENRTOS		24	/* OpenRTOS	*/
 
 /*
  * CPU Architecture Codes (supported by Linux)