X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6658905f18a1eebc148836f26c731dea9c1377dc..add16a62877f52dab8e8fbb28b2c776902b82ba8:/armsrc/start.c

diff --git a/armsrc/start.c b/armsrc/start.c
index 52296fc2..0466a92f 100644
--- a/armsrc/start.c
+++ b/armsrc/start.c
@@ -6,7 +6,22 @@
 #include <proxmark3.h>
 #include "apps.h"
 
-void Vector(void)
+extern char __data_start__, __data_src_start__,  __data_end__, __bss_start__, __bss_end__;
+void __attribute__((section(".startos"))) Vector(void)
 {
+	/* Stack should have been set up by the bootloader */
+	char *src, *dst, *end;
+	
+	/* Set up (that is: clear) BSS. */
+	dst = &__bss_start__;
+	end = &__bss_end__;
+	while(dst < end) *dst++ = 0;
+	
+	/* Set up data segment: Copy from flash to ram */
+	src = &__data_src_start__;
+	dst = &__data_start__;
+	end = &__data_end__;
+	while(dst < end) *dst++ = *src++;
+	
 	AppMain();
 }