GHS: Update default BSP name

-- Use default value of sim<arch> if not user defined
-- Also no reason to trim quotes or changes slashes; it is just a name not a path

Help/generator/Green Hills MULTI.rst

@@ -37,9 +37,12 @@ Default to ``C:/ghs``.  Root path for RTOS searches.
 Default to latest platform OS installation at ``GHS_OS_ROOT``.  Set this value if
 a specific RTOS is to be used.
 
+* ``GHS_BSP_NAME``
+
+Defaults to ``sim<arch>`` if not set by user.
+
 Customizations are available through the following cache variables:
 
-* ``GHS_BSP_NAME``
 * ``GHS_CUSTOMIZATION``
 * ``GHS_GPJ_MACROS``
 

Modules/Platform/GHS-MULTI-Initialize.cmake

@@ -37,7 +37,8 @@ if ( NOT GHS_OS_DIR )
   endif ()
 endif ()
 
-set(GHS_BSP_NAME "simarm" CACHE STRING "BSP name")
+set(GHS_BSP_NAME "IGNORE" CACHE STRING "BSP name")
+
 set(GHS_CUSTOMIZATION "" CACHE FILEPATH "optional GHS customization")
 mark_as_advanced(GHS_CUSTOMIZATION)
 set(GHS_GPJ_MACROS "" CACHE STRING "optional GHS macros generated in the .gpjs for legacy reasons")

Source/cmGlobalGhsMultiGenerator.cxx

@@ -236,25 +236,28 @@ void cmGlobalGhsMultiGenerator::OpenBuildFileStream()
     this->OSDirRelative = true;
   }
 
-  char const* bspName =
+  std::string bspName;
+  char const* bspCache =
     this->GetCMakeInstance()->GetCacheDefinition("GHS_BSP_NAME");
-  if (NULL == bspName) {
-    bspName = "";
-    cmSystemTools::Error("GHS_BSP_NAME cache variable must be set");
-  } else {
+  if (bspCache) {
+    bspName = bspCache;
     this->GetCMakeInstance()->MarkCliAsUsed("GHS_BSP_NAME");
   }
-  std::string fBspName(this->trimQuotes(bspName));
-  std::replace(fBspName.begin(), fBspName.end(), '\\', '/');
+  if (bspName.empty() || bspName.compare("IGNORE") == 0) {
+    const char* a =
+      this->GetCMakeInstance()->GetCacheDefinition("CMAKE_GENERATOR_PLATFORM");
+    bspName = "sim";
+    bspName += (a ? a : "");
+  }
+
   this->WriteMacros();
   this->WriteHighLevelDirectives();
 
   GhsMultiGpj::WriteGpjTag(GhsMultiGpj::PROJECT, this->GetBuildFileStream());
   this->WriteDisclaimer(this->GetBuildFileStream());
   *this->GetBuildFileStream() << "# Top Level Project File" << std::endl;
-  if (!fBspName.empty()) {
-    *this->GetBuildFileStream() << "    -bsp " << fBspName << std::endl;
-  }
+  *this->GetBuildFileStream() << "    -bsp " << bspName << std::endl;
+
   this->WriteCompilerOptions(fOSDir);
 }