MSC-specific keygen

Author: gojimmypi

tools/keytools/keygen.c

@@ -172,6 +172,10 @@ const char Store_hdr[] = "\n"
     "#define KEYSTORE_SECTION /* Renesas RX */\n"
     "#elif defined(TARGET_x86_64_efi)\n"
     "#define KEYSTORE_SECTION\n"
+    "#elif defined(_MSC_VER)\n"
+    "/* Create a RW data section named .keystore  ! */\n"
+    "#pragma section(\".keystore\", read, write)\n"
+    "#define KEYSTORE_SECTION __declspec(allocate(\".keystore\"))\n"
     "#else\n"
     "#define KEYSTORE_SECTION __attribute__((section (\".keystore\")))\n"
     "#endif\n\n"