c6x/* "facelift":

- make scripts executable;
- "parameterize" platform selection in c6x/do_fips;
- add c6x/fips_algvs.mak;
- add c6x/run6x.js launcher for more recent CCS versions;

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4265)

Configure

@@ -636,13 +636,14 @@ my %table=(
 "uClinux-dist64","$ENV{'CC'}:\$(CFLAGS)::-D_REENTRANT::\$(LDFLAGS) \$(LDLIBS):SIXTY_FOUR_BIT_LONG:${no_asm}:$ENV{'LIBSSL_dlfcn'}:linux-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):$ENV{'RANLIB'}::",
 
 "c64xplus","cl6x:-mv6400+ -o2 -ox -ms -pden -DNO_SYS_TYPES_H -DGETPID_IS_MEANINGLESS -DMD32_REG_T=int -DOPENSSL_SMALL_FOOTPRINT:<c6x.h>::DSPBIOS::BN_LLONG:c64xpluscpuid.o:bn-c64xplus.o c64xplus-gf2m.o::aes-c64xplus.o aes_cbc.o aes_ctr.o:::sha1-c64xplus.o sha256-c64xplus.o sha512-c64xplus.o:::::::ghash-c64xplus.o::void:",
+"c64x","cl6x:-mv6400 -o2 -ox -ms -as -pden -DNO_SYS_TYPES_H -DGETPID_IS_MEANINGLESS -DMD32_REG_T=int -DOPENSSL_SMALL_FOOTPRINT:<c6x.h>::DSPBIOS:::c64xcpuid.o:::aes-c64x.o aes_cbc.o aes_ctr.o:::sha1-c64x.o sha256-c64x.o sha512-c64x.o:::::::::void:",
 
 );
 
 my @MK1MF_Builds=qw(VC-WIN64I VC-WIN64A
 		    debug-VC-WIN64I debug-VC-WIN64A
 		    VC-NT VC-CE VC-WIN32 debug-VC-WIN32
-		    BC-32 c64xplus
+		    BC-32 c64xplus c64x
 		    netware-clib netware-clib-bsdsock
 		    netware-libc netware-libc-bsdsock);
 

c6x/do_fips

@@ -1,6 +1,11 @@
 #!/bin/sh
 
-perl Configure c64xplus fipscanisteronly no-engine
+if ! which cl6x > /dev/null 2>&1; then
+	echo 'fatal: cl6x is not on $PATH'
+	exit 1
+fi
+
+perl Configure ${C6XPLATFORM:-c64xplus} fipscanisteronly no-engine
 perl util/mkfiles.pl > MINFO
 perl util/mk1mf.pl auto > c6x/fips.mak
 make -f c6x/fips.mak

c6x/fips_algvs.mak

@@ -0,0 +1,14 @@
+CC=cl6x
+CFLAGS=-mv$${C6XSILICON:-6400+} -o2 -I. -Ic6x/inc -Ifips -DNO_SYS_TYPES_H
+OBJ_D=c6x/tmp
+OUT_D=c6x
+
+all:	$(OUT_D)/fips_algvs.out
+
+$(OBJ_D)/fips_algvs.obj:	test/fips_algvs.c
+	$(CC) --obj_directory=$(OBJ_D) $(CFLAGS) -c $<
+
+$(OUT_D)/fips_algvs.out:	$(OBJ_D)/fips_algvs.obj $(OUT_D)/fipscanister.obj c6x/fips_algvs.cmd
+	$(OUT_D)/fips_standalone_sha1 -verify $(OUT_D)/fipscanister.obj
+	$(CC) -z -o $@ -m $(OUT_D)/fips_algvs.map $< $(OUT_D)/fipscanister.obj c6x/fips_algvs.cmd
+	$(OUT_D)/incore6x $@ || rm $@

c6x/run6x.js

@@ -0,0 +1,91 @@
+#!/usr/bin/env dss.sh
+//
+// Debug Server Scripting C6x launcher.
+//
+
+importPackage(Packages.com.ti.debug.engine.scripting);
+importPackage(Packages.com.ti.ccstudio.scripting.environment);
+importPackage(Packages.java.lang);
+
+if (arguments.length == 0) {
+    // Extract script name from eclipse
+    var regex = new RegExp("-dss\\.rhinoArgs\n(.*)");
+    var matches = regex.exec(environment["eclipse.commands"]);
+
+    System.err.println("Usage: " + matches[1] + " executable [args]");
+    System.err.println();
+    System.err.println("You're also required to set CCSTARGETCONFIG " +
+                       "environment variable to appoint");
+    System.err.println("proper .ccxml file, customarily one of " +
+                       "$HOME/ti/CCSTargetConfigurations/*.ccxml");
+    quit(1);
+}
+
+try {
+    var prog = arguments[0];
+    var script = ScriptingEnvironment.instance();
+
+    var debugServer = script.getServer("DebugServer.1");
+
+    // CCSTARGETCONFIG environment variable should point at proper .ccxml,
+    // customarily one of $HOME/ti/CCSTargetConfigurations/*.ccxml.
+    debugServer.setConfig(System.getenv("CCSTARGETCONFIG"));
+
+    var debugSession = debugServer.openSession("*", "*");
+
+    // Redirect GEL output to |prog|.gel file, so that it doesn't clobber
+    // standard output from the program...
+    var dot = prog.lastIndexOf(".");
+    var gel_out = prog + ".gel";
+    if (dot > 0) {
+        gel_out = prog.substr(0,dot) + ".gel";
+    }
+    debugSession.expression.evaluate('GEL_EnableFileOutput("'
+                                      + gel_out + '", 0, 0)');
+
+    debugSession.target.connect();
+
+    // It should be noted that "current working directory" for program
+    // executed on the target system is one where |prog| resides, and
+    // not where script executed [as one would expect]...
+    debugSession.memory.loadProgram(prog, arguments);
+
+    // Pull exit()'s address and set breakpoint, then just execute till
+    // it's reached...
+    var exitAddr = debugSession.symbol.getAddress("exit");
+    debugSession.breakpoint.add(exitAddr);
+
+    while (1) {
+        debugSession.target.run();
+
+        var PC = debugSession.expression.evaluate("PC");
+        if (PC == exitAddr) {
+            break;
+        }
+    }
+
+    // Snatch value passed to exit(), so that it can be passed down to
+    // shell as exit code from this script...
+    var exitCode = debugSession.expression.evaluate("A4");
+
+    // Last run to termination...
+    debugSession.target.run();
+    // Clean up...
+    debugSession.terminate();
+    debugServer.stop();
+
+    // It should be noted that there is kind of a bug in C6x run-time.
+    // Return value from main() is not passed to last implicit exit()
+    // call [as it would on other systems], but instead constant 1 is
+    // passed, which conventionally indicates an error. So that if one
+    // wants to pass specific exit code, or even 0 indicating "success",
+    // one has to call exit() explicitly instead of relying on value
+    // returned by main()...
+    quit(exitCode);
+
+} catch (e) {
+    // We catch everything, because default handler terminates script with
+    // "success" exit code upon exception...
+    System.err.println(e.rhinoException);
+    quit(139);
+}

test/fips_algvs.c

@@ -150,7 +150,7 @@ extern int fips_rsavtest_main(int argc, char **argv);
 extern int fips_shatest_main(int argc, char **argv);
 extern int fips_test_suite_main(int argc, char **argv);
 
-#if !defined(_TMS320C6400_PLUS)
+#if !defined(_TMS320C6400_PLUS) && !defined(_TMS320C6400)
 #include "fips_aesavs.c"
 #include "fips_cmactest.c"
 #include "fips_desmovs.c"

util/mk1mf.pl

@@ -249,7 +249,7 @@ elsif (($platform eq "netware-clib") || ($platform eq "netware-libc") ||
 	$BSDSOCK=1 if ($platform eq "netware-libc-bsdsock") || ($platform eq "netware-clib-bsdsock");
 	require 'netware.pl';
 	}
-elsif ($platform eq "c64xplus")
+elsif ($platform =~ /^c64x/)
 	{
 	require "TI_CGTOOLS.pl";
 	}