Onda VX747: add dual-boot capability + make it possible to permanently 'stick' Rockbox to your DAP

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21919 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 70 insertions, 10 deletions

diff --git a/tools/configure b/tools/configure
index f5aeceaf58..802173f1b6 100755
--- a/tools/configure
+++ b/tools/configure
@@ -2105,8 +2105,8 @@ fi
     plugins="yes"
     swcodec="yes"
     toolset=$genericbitmaptools
-    boottool="cp"
-    bootoutput="rockboot.vx747"
+    boottool="$rootdir/tools/scramble -ccpmp"
+    bootoutput="ccpmp.bin"
     # architecture, manufacturer and model for the target-tree build
     t_cpu="mips"
     t_manufacturer="ingenic_jz47xx"
@@ -2127,8 +2127,8 @@ fi
     plugins="" #FIXME
     swcodec="yes"
     toolset=$genericbitmaptools
-    boottool="cp"
-    bootoutput="rockboot.vx767"
+    boottool="$rootdir/tools/scramble -ccpmp"
+    bootoutput="ccpmp.bin"
     # architecture, manufacturer and model for the target-tree build
     t_cpu="mips"
     t_manufacturer="ingenic_jz47xx"
@@ -2149,8 +2149,8 @@ fi
     plugins="yes"
     swcodec="yes"
     toolset=$genericbitmaptools
-    boottool="cp"
-    bootoutput="rockboot.vx747p"
+    boottool="$rootdir/tools/scramble -ccpmp"
+    bootoutput="ccpmp.bin"
     # architecture, manufacturer and model for the target-tree build
     t_cpu="mips"
     t_manufacturer="ingenic_jz47xx"
@@ -2171,8 +2171,8 @@ fi
     plugins="" #TODO
     swcodec="yes"
     toolset=$genericbitmaptools
-    boottool="cp"
-    bootoutput="rockboot.vx777"
+    boottool="$rootdir/tools/scramble -ccpmp"
+    bootoutput="ccpmp.bin"
     # architecture, manufacturer and model for the target-tree build
     t_cpu="mips"
     t_manufacturer="ingenic_jz47xx"
diff --git a/tools/scramble.c b/tools/scramble.c
index cabe15f48d..5d2b12fb84 100644
--- a/tools/scramble.c
+++ b/tools/scramble.c
@@ -33,6 +33,7 @@
 
 int iaudio_encode(char *iname, char *oname, char *idstring);
 int ipod_encode(char *iname, char *oname, int fw_ver, bool fake_rsrc);
+int ccpmp_encode(char *iname, char *oname);
 
 enum
 {
@@ -375,8 +376,7 @@ int main (int argc, char** argv)
         oname = argv[3];
         return ipod_encode(iname, oname, 3, true);  /* Firmware image v3 */
     }
-    else if(!strncmp(argv[1], "-creative=", 10))
-    {
+    else if(!strncmp(argv[1], "-creative=", 10)) {
         if(!strcmp(argv[2], "-no-ciff"))
         {
             creative_enable_ciff = false;
@@ -405,6 +405,11 @@ int main (int argc, char** argv)
             return 2;
         }
     }
+    else if(!strcmp(argv[1], "-ccpmp")) {
+        iname = argv[2];
+        oname = argv[3];
+        return ccpmp_encode(iname, oname);
+    }
     else if(!strncmp(argv[1], "-mi4", 4)) {
         int mi4magic;
         char model[4] = "";
@@ -824,3 +829,58 @@ int ipod_encode(char *iname, char *oname, int fw_ver, bool fake_rsrc)
     return 0;
 }
 
+#define CCPMP_SIZE 0x500000
+int ccpmp_encode(char *iname, char *oname)
+{
+    size_t len;
+    int length;
+    FILE *file;
+    unsigned char *outbuf;
+
+    file = fopen(iname, "rb");
+    if (!file) {
+       perror(iname);
+       return -1;
+    }
+    fseek(file,0,SEEK_END);
+    length = ftell(file);
+    
+    fseek(file,0,SEEK_SET);
+
+    outbuf = malloc(CCPMP_SIZE);
+
+    if ( !outbuf ) {
+       printf("out of memory!\n");
+       return -1;
+    }
+
+    len = fread(outbuf, 1, length, file);
+    if(len < (size_t)length) {
+        perror(iname);
+        return -2;
+    }
+    fclose(file);
+
+    /* Clear the tail area to 0xFF */
+    memset(&outbuf[length], 0xFF, CCPMP_SIZE - length);
+
+    /* Header */
+    int2le(length, &outbuf[0x4]);
+
+    file = fopen(oname, "wb");
+    if (!file) {
+       perror(oname);
+       return -3;
+    }
+    
+    len = fwrite(outbuf, 1, CCPMP_SIZE, file);
+    if(len < (size_t)length) {
+        perror(oname);
+        return -4;
+    }
+
+    fclose(file);
+
+    return 0;
+}
+