hosted: Add ROLO support for hosted targets

Change-Id: I2d46a63ee8225a9d9d77dd80a06c418af78c260c

7 files changed, 131 insertions, 3 deletions

diff --git a/firmware/SOURCES b/firmware/SOURCES
index 42677725fc..cbbebbc66f 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -47,6 +47,10 @@ debug.c
 #endif /* PLATFORM_NATIVE */
 panic.c
 
+#if (CONFIG_PLATFORM & PLATFORM_HOSTED) && defined(BOOTFILE)
+target/hosted/rolo.c
+#endif
+
 #ifdef HAVE_SDL
 target/hosted/sdl/button-sdl.c
 target/hosted/sdl/kernel-sdl.c
diff --git a/firmware/export/config/agptekrocker.h b/firmware/export/config/agptekrocker.h
index 749786dff1..a97522d976 100644
--- a/firmware/export/config/agptekrocker.h
+++ b/firmware/export/config/agptekrocker.h
@@ -124,3 +124,8 @@
 #define BATTERY_CAPACITY_MIN 600  /* min. capacity selectable */
 #define BATTERY_CAPACITY_MAX 600 /* max. capacity selectable */
 #define BATTERY_CAPACITY_INC 0   /* capacity increment */
+
+/* ROLO */
+#define BOOTFILE_EXT "rocker"
+#define BOOTFILE     "rockbox." BOOTFILE_EXT
+#define BOOTDIR      "/.rockbox"
diff --git a/firmware/export/config/xduoox20.h b/firmware/export/config/xduoox20.h
index 1852027cf0..a8d2175719 100644
--- a/firmware/export/config/xduoox20.h
+++ b/firmware/export/config/xduoox20.h
@@ -122,3 +122,9 @@
 #define BATTERY_CAPACITY_MIN 2400  /* min. capacity selectable */
 #define BATTERY_CAPACITY_MAX 2400 /* max. capacity selectable */
 #define BATTERY_CAPACITY_INC 0   /* capacity increment */
+
+/* ROLO */
+#define BOOTFILE_EXT "x20"
+#define BOOTFILE     "rockbox." BOOTFILE_EXT
+#define BOOTDIR      "/.rockbox"
+
diff --git a/firmware/export/config/xduoox3ii.h b/firmware/export/config/xduoox3ii.h
index dab7c0f257..143d4442fd 100644
--- a/firmware/export/config/xduoox3ii.h
+++ b/firmware/export/config/xduoox3ii.h
@@ -122,3 +122,10 @@
 #define BATTERY_CAPACITY_MIN 2000  /* min. capacity selectable */
 #define BATTERY_CAPACITY_MAX 2000 /* max. capacity selectable */
 #define BATTERY_CAPACITY_INC 0   /* capacity increment */
+
+/* ROLO */
+#define BOOTFILE_EXT "x3ii"
+#define BOOTFILE     "rockbox." BOOTFILE_EXT
+#define BOOTDIR      "/.rockbox"
+
+
diff --git a/firmware/export/rolo.h b/firmware/export/rolo.h
index 1a06d61892..4b6c8abf64 100644
--- a/firmware/export/rolo.h
+++ b/firmware/export/rolo.h
@@ -21,6 +21,10 @@
 #ifndef __ROLO_H__
 #define __ROLO_H__
 
+#if (CONFIG_PLATFORM & PLATFORM_NATIVE) || defined(BOOTFILE)
+#define HAVE_ROLO
+#endif
+
 int rolo_load(const char* file);
 
 #ifdef CPU_PP
diff --git a/firmware/rolo.c b/firmware/rolo.c
index 7cded0906f..50f3d68183 100644
--- a/firmware/rolo.c
+++ b/firmware/rolo.c
@@ -45,7 +45,7 @@
 #if defined(HAVE_BOOTDATA) && !defined(SIMULATOR)
 #include "bootdata.h"
 #include "crc32.h"
-extern  int write_bootdata(unsigned char* buf, int len, unsigned int boot_volume); /*mi4-loader.c*/    
+extern  int write_bootdata(unsigned char* buf, int len, unsigned int boot_volume); /*mi4-loader.c*/
 #endif
 #define LOAD_FIRMWARE(a,b,c) load_mi4(a,b,c)
 #elif defined(RKW_FORMAT)
@@ -56,7 +56,7 @@ extern  int write_bootdata(unsigned char* buf, int len, unsigned int boot_volume
 #if defined(HAVE_BOOTDATA) && !defined(SIMULATOR)
 #include "bootdata.h"
 #include "crc32.h"
-extern  int write_bootdata(unsigned char* buf, int len, unsigned int boot_volume); /*rb-loader.c*/    
+extern  int write_bootdata(unsigned char* buf, int len, unsigned int boot_volume); /*rb-loader.c*/
 #endif
 #define LOAD_FIRMWARE(a,b,c) load_firmware(a,b,c)
 #endif
@@ -98,7 +98,7 @@ void rolo_restart_cop(void)
 
     /* Invalidate cache */
     commit_discard_idcache();
-    
+
     /* Disable cache */
     CACHE_CTL = CACHE_CTL_DISABLE;
 
diff --git a/firmware/target/hosted/rolo.c b/firmware/target/hosted/rolo.c
new file mode 100644
index 0000000000..432d69c86e
--- /dev/null
+++ b/firmware/target/hosted/rolo.c
@@ -0,0 +1,102 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ * Copyright (C) 2020 Solomon Peachy
+ *
+ * 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 "config.h"
+#include "lcd.h"
+#ifdef HAVE_REMOTE_LCD
+#include "lcd-remote.h"
+#endif
+#include "audio.h"
+#include "button.h"
+#include "scroll_engine.h"
+#include "storage.h"
+#include "rolo.h"
+#include "rbpaths.h"
+
+#include <unistd.h>
+#include <stdio.h>
+
+#if defined(HAVE_BOOTDATA) && !defined(SIMULATOR)
+#include "bootdata.h"
+#include "crc32.h"
+extern  int write_bootdata(unsigned char* buf, int len, unsigned int boot_volume); /*rb-loader.c*/
+#endif
+
+static void rolo_error(const char *text, const char *text2)
+{
+    lcd_clear_display();
+    lcd_puts(0, 0, "ROLO error:");
+    lcd_puts_scroll(0, 1, text);
+    if (text2)
+      lcd_puts_scroll(0, 2, text2);
+    lcd_update();
+    button_get(true);
+    button_get(true);
+    button_get(true);
+    lcd_scroll_stop();
+}
+
+int rolo_load(const char* filename)
+{
+    lcd_clear_display();
+    lcd_puts(0, 0, "ROLO...");
+    lcd_puts(0, 1, "Loading");
+    lcd_update();
+#ifdef HAVE_REMOTE_LCD
+    lcd_remote_clear_display();
+    lcd_remote_puts(0, 0, "ROLO...");
+    lcd_remote_puts(0, 1, "Loading");
+    lcd_remote_update();
+#endif
+
+    audio_stop();
+
+#if defined(HAVE_BOOTDATA) && !defined(SIMULATOR)
+    /* write the bootdata as if rolo were the bootloader */
+    unsigned int crc = 0;
+    if (strcmp(filename, BOOTDIR "/" BOOTFILE) == 0)
+        crc = crc_32(boot_data.payload, boot_data.length, 0xffffffff);
+
+    if(crc > 0 && crc == boot_data.crc)
+        write_bootdata(filebuf, filebuf_size, boot_data.boot_volume); /* rb-loader.c */
+#endif
+
+#ifdef HAVE_STORAGE_FLUSH
+    lcd_puts(0, 1, "Flushing storage buffers");
+    lcd_update();
+    storage_flush();
+#endif
+
+    lcd_puts(0, 1, "Executing");
+    lcd_update();
+#ifdef HAVE_REMOTE_LCD
+    lcd_remote_puts(0, 1, "Executing");
+    lcd_remote_update();
+#endif
+
+    char buf[256];
+    snprintf(buf, sizeof(buf), "%s/%s", HOME_DIR, filename);
+    execl(buf, BOOTFILE, NULL);
+
+    rolo_error("Failed to launch!", strerror(errno));
+
+    /* never reached */
+    return 0;
+}