Firmware "hacker" code for the e200r install so the full bootloader rom doesnt need to be written.

Requires a custom version of e200tool which isnt available yet.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14654 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 125 insertions, 2 deletions

diff --git a/bootloader/Makefile b/bootloader/Makefile
index 342cdc5861..4c63cfea18 100644
--- a/bootloader/Makefile
+++ b/bootloader/Makefile
@@ -18,7 +18,7 @@ ifdef DEBUG
     CFLAGS += -g
 endif
 
-SRC := $(shell cat SOURCES | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P -include "config.h" - )
+SRC := $(shell cat SOURCES | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) $(EXTRA_DEFINES) -E -P -include "config.h" - )
 DIRS = .
 
 ifdef APPEXTRA
@@ -50,7 +50,7 @@ endif
 dep: $(DEPFILE)
 
 $(LINKFILE): $(LDS)
-	$(call PRINTS,Build $(@F))cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P $(ROMBUILD) - >$@
+	$(call PRINTS,Build $(@F))cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(EXTRA_DEFINES)  $(DEFINES) -E -P $(ROMBUILD) - >$@
 
 $(MAXOUTFILE):
 	$(SILENT)echo '#include "config.h"' > $(MAXINFILE)
diff --git a/bootloader/SOURCES b/bootloader/SOURCES
index 5d82e57309..2de38930ea 100644
--- a/bootloader/SOURCES
+++ b/bootloader/SOURCES
@@ -6,7 +6,11 @@ ipod.c
 gigabeat.c
 #elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB) || \
       defined(SANSA_E200) || defined(SANSA_C200)
+#ifdef E200R_INSTALLER
+main-e200r-installer.c
+#else
 main-pp.c
+#endif
 #elif defined(ELIO_TPJ1022)
 tpj1022.c
 #elif defined(IAUDIO_X5) || defined(IAUDIO_M5)
diff --git a/bootloader/main-e200r-installer.c b/bootloader/main-e200r-installer.c
new file mode 100644
index 0000000000..9b977ca538
--- /dev/null
+++ b/bootloader/main-e200r-installer.c
@@ -0,0 +1,119 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Barry Wardell
+ *
+ * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
+ * and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
+ * 
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include "common.h"
+#include "cpu.h"
+#include "file.h"
+#include "system.h"
+#include "kernel.h"
+#include "lcd.h"
+#include "font.h"
+#include "ata.h"
+#include "button.h"
+#include "disk.h"
+#include "crc32-mi4.h"
+#include <string.h>
+#include "i2c.h"
+#include "backlight-target.h"
+
+/* Bootloader version */
+char version[] = APPSVERSION;
+
+#define START_SECTOR_OF_ROM 1
+#define ROMSECTOR_TO_HACK 63
+#define HACK_OFFSET 498
+#define KNOWN_CRC32 0x5a09c266
+char knownBytes[] = {0x00, 0x24, 0x07, 0xe1};
+char changedBytes[] = {0xc0, 0x46, 0xc0, 0x46 };
+void* main(void)
+{
+    int i;
+    int btn;
+    int num_partitions;
+    int crc32;
+    char sector[512];
+    struct partinfo* pinfo;
+    chksum_crc32gentab ();
+
+    system_init();
+    kernel_init();
+    lcd_init();
+    font_init();
+    button_init();
+    i2c_init();
+    __backlight_on();
+    
+    lcd_set_foreground(LCD_WHITE);
+    lcd_set_background(LCD_BLACK);
+    lcd_clear_display();
+
+    btn = button_read_device();
+    verbose = true;
+
+    lcd_setfont(FONT_SYSFIXED);
+
+    printf("Rockbox e200R installer");
+    printf("Version: %s", version);
+    printf(MODEL_NAME);
+
+    i=ata_init();
+    disk_init(IF_MV(0));
+    num_partitions = disk_mount_all();
+    if (num_partitions<=0)
+    {
+        error(EDISK,num_partitions);
+    }
+    pinfo = disk_partinfo(1);
+    printf("--- Partition info ---");
+    printf("start: %x", pinfo->start);
+    printf("size: %x", pinfo->size);
+    printf("type: %x", pinfo->type);
+    printf("reading: %x", (START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK)*512);
+    ata_read_sectors(IF_MV2(0,) 
+                        pinfo->start + START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK,
+                        1 , sector);
+    crc32 = chksum_crc32 (sector, 512);
+    printf("--- Hack Status ---");
+    printf("Sector checksum: %x", crc32);
+    
+    if ((crc32 == KNOWN_CRC32) && 
+        !memcmp(&sector[HACK_OFFSET], knownBytes, 
+                sizeof(knownBytes)/sizeof(*knownBytes)))
+    {
+    
+        memcpy(&sector[HACK_OFFSET], changedBytes,
+                sizeof(changedBytes)/sizeof(*changedBytes));
+        ata_write_sectors(IF_MV2(0,) 
+                        pinfo->start + START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK,
+                        1 , sector);
+        printf("Firmware Hacked");
+        printf("Proceed to Step 2");
+    }
+    else
+        printf("Unknown bootloader... aborted");
+    GPIOG_OUTPUT_VAL &=~0x80;
+   
+    while(1);
+    return NULL;
+}
+