diff --git a/BaseTools/Conf/build_rule.template b/BaseTools/Conf/build_rule.template
index c1c0d4cca6..55f56c2a74 100644
--- a/BaseTools/Conf/build_rule.template
+++ b/BaseTools/Conf/build_rule.template
@@ -440,6 +440,22 @@
       otool -t $(OUTPUT_DIR)(+)${s_dir}(+)${s_base}.slib | hex2bin.py ${dst}
       
 
+[Nasm-to-Binary-Code-File]
+    <InputFile>
+        ?.nasmb, ?.NASMB
+
+    <ExtraDependency>
+        $(MAKE_FILE)
+
+    <OutputFile>
+        $(OUTPUT_DIR)(+)${s_base}.bin
+
+    <Command>
+        "$(PP)" $(PP_FLAGS) $(INC) ${src} > ${d_path}(+)${s_base}.i
+        Trim --source-code --convert-hex -o ${d_path}(+)${s_base}.iii ${d_path}(+)${s_base}.i
+        "$(NASM)" -I${s_path}(+) -l ${d_path}(+)${s_base}.lst $(NASMB_FLAGS) -o $dst ${d_path}(+)${s_base}.iii
+
+
 [Microcode-File.USER_DEFINED, Microcode-File.Microcode]
     <InputFile>
         ?.txt, ?.TXT, ?.Txt, ?.mut, ?.inc
diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 1dae59a51a..a7b507d8ea 100644
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -668,6 +668,15 @@ DEFINE SOURCERY_CYGWIN_TOOLS = /cygdrive/c/Program Files/CodeSourcery/Sourcery G
 ####################################################################################
 ####################################################################################
 #
+# Other Supported Tools
+# =====================
+#   NASM                 2.0.3   http://www.nasm.us/
+#                        Note: Converts NASM source to .bin. Object linking to
+#                              EDK II driver modules is not currently supported.
+#
+####################################################################################
+####################################################################################
+#
 # Intel EFI Byte Code Compiler (Template)
 #
 ####################################################################################
@@ -6571,3 +6580,9 @@ RELEASE_ARMLINUXGCC_AARCH64_CC_FLAGS = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC
 *_*_*_VPDTOOL_PATH         = BPDG
 *_*_*_VPDTOOL_GUID         = 8C3D856A-9BE6-468E-850A-24F7A8D38E08
 
+##################
+# NASM tool definitions
+##################
+*_*_*_NASM_PATH                = ENV(NASM_PREFIX)nasm
+# NASMB uses NASM produce a .bin from a .nasmb NASM source file
+*_*_*_NASMB_FLAGS              = -f bin