atjboottool: split fwu code into its own file

Slightly cleanup the code by removing the old and dangerous --force option.

Change-Id: I776633a9924797fcd509b8b80623bcd64b391672

utils/atj2137/atjboottool/Makefile

@@ -10,7 +10,7 @@ all: $(BINS)
 %.o: %.c
 	$(CC) $(CFLAGS) -c -o $@ $<
 
-atjboottool: atjboottool.o misc.o atj_tables.o
+atjboottool: atjboottool.o fwu.o misc.o atj_tables.o
 	$(LD) -o $@ $^ $(LDFLAGS)
 
 clean:

utils/atj2137/atjboottool/afi.h

@@ -0,0 +1,29 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2017 Amaury Pouly
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#ifndef __AFI_H__
+#define __AFI_H__
+
+#include <stdint.h>
+
+/* Check if a file looks like a FWU file */
+bool afi_check(uint8_t *buf, size_t size);
+
+#endif /* __AFI_H__ */ 

utils/atj2137/atjboottool/fwu.h

@@ -0,0 +1,40 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2017 Amaury Pouly
+ *
+ * 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.
+ *
+ ****************************************************************************/
+#ifndef __FWU_H__
+#define __FWU_H__
+
+#include <stdint.h>
+
+enum fwu_mode_t
+{
+    FWU_AUTO, /* Will try to guess which mode to use */
+    FWU_ATJ213X, /* Will use ATJ213x style mode */
+    FWU_ATJ2127, /* Will use ATJ2127 variation */
+};
+
+/* Decrypt a FWU file inplace, the size variable is updated to reflect the size of the decrypted
+ * firmware. Return 0 on success. The mode parameter selects how the function guesses between
+ * various variants of FWU. */
+int fwu_decrypt(uint8_t *buf, size_t *size, enum fwu_mode_t mode);
+/* Check if a file looks like a FWU file */
+bool fwu_check(uint8_t *buf, size_t size);
+
+#endif /* __FWU_H__ */

utils/atj2137/atjboottool/misc.c

@@ -37,7 +37,12 @@ static bool g_color_enable = true;
 void *xmalloc(size_t s)
 {
     void * r = malloc(s);
-    if(!r) bugp("malloc");
+    if(!r)
+    {
+        color(GREY);
+        printf("Allocation failed.\n");
+        abort();
+    }
     return r;
 }
 

utils/atj2137/atjboottool/misc.h

@@ -22,14 +22,15 @@
 #define __MISC_H__
 
 #include <stdbool.h>
+#include <stdio.h>
 
-#define _STR(a) #a
-#define STR(a) _STR(a)
+#define cprintf(col, ...) do {color(col); printf(__VA_ARGS__); }while(0)
 
-#define bug(...) do { fprintf(stderr,"["__FILE__":"STR(__LINE__)"]ERROR: "__VA_ARGS__); exit(1); } while(0)
-#define bugp(...) do { fprintf(stderr, __VA_ARGS__); perror(" "); exit(1); } while(0)
+#define cprintf_field(str1, ...) do{ cprintf(GREEN, str1); cprintf(YELLOW, __VA_ARGS__); }while(0)
 
-#define ROUND_UP(val, round) ((((val) + (round) - 1) / (round)) * (round))
+#ifndef MIN
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
 
 typedef char color_t[];