Implement version information storage and retrieval for the bootrom and the osimage.

Use perl to create the version information (thereby re-creating the perl dependency and adding an svn dependency) but fall back in case of missing perl or svn

common/Makefile.common

@@ -20,6 +20,7 @@ ifeq ($(UNAME), Linux)
 # Linux. (Todo: Add MacOS X if appropriate)
 DELETE=rm -rf
 MOVE=mv
+COPY=cp
 PATHSEP=/
 DETECTED_OS=Linux
 # You may/should set this in your environment
@@ -31,6 +32,7 @@ else
 # Assume that we are running on Windows.
 DELETE=del /q
 MOVE=ren
+COPY=copy
 PATHSEP=\\#
 ARMLIB ?= ../../devkitARM/lib/gcc/arm-elf/4.1.0/interwork
 DETECTED_OS=Windows
@@ -77,6 +79,11 @@ $(OBJDIR)/%.s19: $(OBJDIR)/%.elf
 	--change-section-address .text-0x100000 \
 	--change-section-address .rodata-0x100000 $^ $@
 
+# version.c should be remade on every compilation
+.PHONY: version.c
+version.c: default_version.c
+	perl ../tools/mkversion.pl .. > $@ || $(COPY) $^ $@ 
+
 # Automatic dependency generation
 DEPENDENCY_FILES = $(patsubst %.c,$(OBJDIR)/%.d,$(notdir $(THUMBSRC))) \
 	$(patsubst %.c,$(OBJDIR)/%.d,$(notdir $(ARMSRC))) \

common/default_version.c

@@ -0,0 +1,9 @@
+#include <proxmark3.h>
+/* This is the default version.c file that Makefile.common falls back to if perl is not available */
+struct version_information __attribute__((section(".version_information"))) version_information = { 
+		VERSION_INFORMATION_MAGIC, 
+		1, /* version version 1 */
+		0, /* version information not present */
+		2, /* cleanliness couldn't be determined */
+		/* Remaining fields: zero */
+}; 

common/version.c

@@ -1,10 +0,0 @@
-#define VERSION "$Id $"
-static const struct __attribute__((packed)) {
-    const char string[48];
-    unsigned int length;
-    unsigned int magic;
-} version __attribute__((unused,section("versioninformation"))) = {
-    VERSION,
-    sizeof(VERSION),
-    0x48151623,
-};