BaseTools: Adding support of building BaseTool on Windows ARM/ARM64

This change focuses on the support of building basetool natively for
Windows ARM/ARM64 host system, which will enable the ARM based platforms
to build UEFI and unit tests.

Note that the warnings due to integer conversions are suppressed for
this specific target to avoid too much local changes carried in MU. The
formal change should drop all these binaries and move to pythonic
scripts.

The binary output is tested on Windows ARM based hardware systems.

Cc: Rebecca Cran <rebecca@bsdio.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Signed-off-by: Kun Qin <kun.qin@microsoft.com>

BaseTools/Source/C/GenFfs/GenFfs.c

@@ -7,7 +7,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
 #ifndef __GNUC__
+#define RUNTIME_FUNCTION  _WINNT_DUP_RUNTIME_FUNCTION
 #include <windows.h>
+#undef RUNTIME_FUNCTION
 #include <io.h>
 #include <sys/types.h>
 #include <sys/stat.h>

BaseTools/Source/C/GenFw/Elf32Convert.c

@@ -10,7 +10,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
 #ifndef __GNUC__
+#define RUNTIME_FUNCTION  _WINNT_DUP_RUNTIME_FUNCTION
 #include <windows.h>
+#undef RUNTIME_FUNCTION
 #include <io.h>
 #endif
 #include <assert.h>

BaseTools/Source/C/GenFw/Elf64Convert.c

@@ -11,7 +11,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
 #ifndef __GNUC__
+#define RUNTIME_FUNCTION  _WINNT_DUP_RUNTIME_FUNCTION
 #include <windows.h>
+#undef RUNTIME_FUNCTION
 #include <io.h>
 #endif
 #include <assert.h>

BaseTools/Source/C/GenFw/ElfConvert.c

@@ -8,7 +8,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
 #ifndef __GNUC__
+#define RUNTIME_FUNCTION  _WINNT_DUP_RUNTIME_FUNCTION
 #include <windows.h>
+#undef RUNTIME_FUNCTION
 #include <io.h>
 #endif
 #include <stdio.h>

BaseTools/Source/C/GenFw/GenFw.c

@@ -7,7 +7,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
 #ifndef __GNUC__
+#define RUNTIME_FUNCTION  _WINNT_DUP_RUNTIME_FUNCTION
 #include <windows.h>
+#undef RUNTIME_FUNCTION
 #include <io.h>
 #include <sys/types.h>
 #include <sys/stat.h>

BaseTools/Source/C/GenSec/GenSec.c

@@ -6,7 +6,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 #ifndef __GNUC__
+#define RUNTIME_FUNCTION  _WINNT_DUP_RUNTIME_FUNCTION
 #include <windows.h>
+#undef RUNTIME_FUNCTION
 #include <io.h>
 #include <sys/types.h>
 #include <sys/stat.h>

BaseTools/Source/C/Makefiles/ms.common

@@ -51,6 +51,23 @@ BIN_PATH     = $(BASE_TOOLS_PATH)\Bin\Win64
 LIB_PATH     = $(BASE_TOOLS_PATH)\Lib\Win64
 SYS_BIN_PATH = $(EDK_TOOLS_PATH)\Bin\Win64
 SYS_LIB_PATH = $(EDK_TOOLS_PATH)\Lib\Win64
+CFLAGS = $(CFLAGS) /wd4267 /wd4244 /wd4334
+
+!ELSEIF "$(HOST_ARCH)"=="ARM"
+ARCH_INCLUDE = $(EDK2_PATH)\MdePkg\Include\Arm
+BIN_PATH     = $(BASE_TOOLS_PATH)\Bin\Win32
+LIB_PATH     = $(BASE_TOOLS_PATH)\Lib\Win32
+SYS_BIN_PATH = $(EDK_TOOLS_PATH)\Bin\Win32
+SYS_LIB_PATH = $(EDK_TOOLS_PATH)\Lib\Win32
+
+!ELSEIF "$(HOST_ARCH)"=="AARCH64"
+ARCH_INCLUDE = $(EDK2_PATH)\MdePkg\Include\AArch64
+BIN_PATH     = $(BASE_TOOLS_PATH)\Bin\Win64
+LIB_PATH     = $(BASE_TOOLS_PATH)\Lib\Win64
+SYS_BIN_PATH = $(EDK_TOOLS_PATH)\Bin\Win64
+SYS_LIB_PATH = $(EDK_TOOLS_PATH)\Lib\Win64
+# Note: These are bit-width conversion related warning suppressions.
+CFLAGS = $(CFLAGS) /wd4267 /wd4244 /wd4334
 
 !ELSE
 !ERROR "Bad HOST_ARCH"