x1000: bootloader: split off rockbox boot code

Change-Id: Ie3a097b24ee96551f6c3d08938dcb83f59ba1073

2 files changed, 78 insertions, 0 deletions

diff --git a/bootloader/x1000/boot.c b/bootloader/x1000/boot.c
new file mode 100644
index 0000000000..f9e04d1223
--- /dev/null
+++ b/bootloader/x1000/boot.c
@@ -0,0 +1,70 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2021-2022 Aidan MacDonald
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "x1000bootloader.h"
+#include "core_alloc.h"
+#include "rb-loader.h"
+#include "loader_strerror.h"
+#include "system.h"
+#include "kernel.h"
+#include "power.h"
+#include "boot-x1000.h"
+
+extern int init_disk(void);
+
+void boot_rockbox(void)
+{
+    if(init_disk() != 0)
+        return;
+
+    size_t max_size = 0;
+    int handle = core_alloc_maximum("rockbox", &max_size, &buflib_ops_locked);
+    if(handle < 0) {
+        splash(5*HZ, "Out of memory");
+        return;
+    }
+
+    unsigned char* loadbuffer = core_get_data(handle);
+    int rc = load_firmware(loadbuffer, BOOTFILE, max_size);
+    if(rc <= 0) {
+        core_free(handle);
+        splash2(5*HZ, "Error loading Rockbox", loader_strerror(rc));
+        return;
+    }
+
+    gui_shutdown();
+
+    x1000_boot_rockbox(loadbuffer, rc);
+}
+
+void shutdown(void)
+{
+    splash(HZ, "Shutting down");
+    power_off();
+    while(1);
+}
+
+void reboot(void)
+{
+    splash(HZ, "Rebooting");
+    system_reboot();
+    while(1);
+}
diff --git a/bootloader/x1000/x1000bootloader.h b/bootloader/x1000/x1000bootloader.h
index fb7aa80e7f..47f340532d 100644
--- a/bootloader/x1000/x1000bootloader.h
+++ b/bootloader/x1000/x1000bootloader.h
@@ -84,4 +84,12 @@ void bootloader_install(void);
 void bootloader_backup(void);
 void bootloader_restore(void);
 
+/*
+ * Boot code
+ */
+
+void boot_rockbox(void);
+void shutdown(void);
+void reboot(void);
+
 #endif /* __X1000BOOTLOADER_H__ */