Merge branch 'mbedtls-1.3' into development

* mbedtls-1.3:
  Fix bug in Via Padlock support
  Fix portability issue in Makefile

ChangeLog

@@ -85,6 +85,7 @@ Features
      errors on use of deprecated functions.
 
 Bugfix
+   * Fix bug in Via Padlock support (found by Nikos Mavrogiannopoulos).
    * Fix thread safety bug in RSA operations (found by Fredrik Axelsson).
    * Fix hardclock() (only used in the benchmarking program) with some
      versions of mingw64 (found by kxjhlele).

library/padlock.c

@@ -104,7 +104,7 @@ int padlock_xcryptecb( aes_context *ctx,
          "movl    %1, %%ebx             \n\t"
          : "=m" (ebx)
          :  "m" (ebx), "m" (ctrl), "m" (rk), "m" (blk)
-         : "ecx", "edx", "esi", "edi" );
+         : "memory", "ecx", "edx", "esi", "edi" );
 
     memcpy( output, blk, 16 );
 
@@ -155,7 +155,7 @@ int padlock_xcryptcbc( aes_context *ctx,
          : "=m" (ebx)
          :  "m" (ebx), "m" (count), "m" (ctrl),
             "m"  (rk), "m" (input), "m" (output), "m" (iw)
-         : "eax", "ecx", "edx", "esi", "edi" );
+         : "memory", "eax", "ecx", "edx", "esi", "edi" );
 
     memcpy( iv, iw, 16 );
 

tests/Makefile

@@ -434,7 +434,7 @@ ifndef WINDOWS
 		RESULT=`$(CHECK_PRELOAD) ./$${i} | grep -v 'PASS$$' | grep -v -- '----' | grep -v '^$$'`;	\
 		PASSED=`echo $$RESULT |grep PASSED`; 								\
 		echo "   $$RESULT";													\
-		if [ "$$PASSED" = "" ];											\
+		if [ "x$$PASSED" = "x" ];											\
 		then																\
 			echo "**** Failed ***************";								\
 			RETURN=1;														\