Nikolai Saoukh [mailto:n...@otdel-1.org] wrote:

]I was under impression that mingw-win64 can be used for X64 AND IA32 builds.

You are right. Thanks for pointing that out. The revised email and patch 
follows.
I also added the requirement for an environment variable pointing to Microsoft
nmake.exe and rc.exe. Still needed is nasm.exe and iasl.exe, but these work the
same as with Microsoft tool chains.
-- 

Here is a work in progress patch for those building X64 or IA32 targets
from Windows. It allows building with gcc instead of a Microsoft compiler.
Building has been tested with Windows 7 x64 using MINGW archives from
http://www.drangon.org/mingw/ or
http://sourceforge.net/projects/mingw-w64-dgn/files/mingw-w64/

Unpack mingw-w64-bin-x86_64-20140425.7z and set environment variable
MINGW64 to its path. Also set environment variable MINGW32 to its path.
Set environment variable MS_MISC_BIN to a directory containing Microsoft
nmake.exe and rc.exe. For example, the bin\x86 directory of DDK-7600:
http://www.microsoft.com/en-us/download/details.aspx?id=11800. 

Apply the patch then build using -t MINGW. It's that easy. No unix
shell port is involved. Just build from a cmd.exe prompt as normal.
Because mingw requires no install or setup, your registry, path and
other environment variables are unaffected.

The MINGW port of gcc brings C99 support to those using Windows to
develop EDK2 code. Wouldn't it be nice if one day UEFI could drop
support for non-C99 compilers so that C99 features could be used in
the code? There is actually a lot of work to be done before gcc could
replace Microsoft tools. One problem is that some UEFI source level
debuggers understand only Microsoft debug information. Another
problem is that right now gcc is producing bigger code. Getting gcc link
time optimization working may solve this problem. Build speed with MINGW
is not quite as fast as with Microsoft tools, but it is reasonable.
For example, a test of 18 builds that takes 523 seconds using VS2008
takes 694 seconds using MINGW.

Index: BaseTools/Conf/tools_def.template
===================================================================
--- BaseTools/Conf/tools_def.template   (revision 16195)
+++ BaseTools/Conf/tools_def.template   (working copy)
@@ -4815,6 +4815,103 @@
 
 
####################################################################################
 #
+# Mingw GCC And Intel ACPI Compiler
+#
+####################################################################################
+#   MINGW        - MINGW GCC
+#   ASL           - Intel ACPI Source Language Compiler (iasl.exe)
+*_MINGW_*_*_FAMILY           = GCC
+
+DEFINE MINGW_BINIA32         = ENV(MINGW32)\bin\
+DEFINE MINGW_BINX64          = ENV(MINGW64)\bin\
+
+*_MINGW_*_MAKE_PATH          = ENV(MS_MISC_BIN)\nmake.exe
+*_MINGW_*_ASL_PATH           = DEF(DEFAULT_WIN_ASL_BIN)
+*_MINGW_IA32_DLINK_FLAGS     = DEF(GCC_IA32_X64_DLINK_COMMON) -m i386pe  
--entry _$(IMAGE_ENTRY_POINT) --file-alignment 0x20 --section-alignment 0x20 
-Map $(DEST_DIR_DEBUG)/$(BASE_NAME).map --image-base=0 --strip-all
+*_MINGW_X64_DLINK_FLAGS      = DEF(GCC_IA32_X64_DLINK_COMMON) -m i386pep 
--entry  $(IMAGE_ENTRY_POINT) --file-alignment 0x20 --section-alignment 0x20 
-Map $(DEST_DIR_DEBUG)/$(BASE_NAME).map --image-base=0 --strip-all
+*_MINGW_IA32_ASLDLINK_FLAGS  = DEF(GCC_IA32_X64_DLINK_COMMON) -m i386pe  
--entry _ReferenceAcpiTable -u $(IMAGE_ENTRY_POINT) --strip-all
+*_MINGW_X64_ASLDLINK_FLAGS   = DEF(GCC_IA32_X64_DLINK_COMMON) -m i386pep 
--entry  ReferenceAcpiTable -u $(IMAGE_ENTRY_POINT) --strip-all
+
+*_MINGW_*_MAKE_FLAGS         = /nologo
+*_MINGW_*_ASL_FLAGS          = DEF(DEFAULT_WIN_ASL_FLAGS)
+*_MINGW_*_ASL_OUTFLAGS       = DEF(DEFAULT_WIN_ASL_OUTFLAGS)
+
+##################
+# IA32 definitions
+##################
+*_MINGW_IA32_CC_PATH         = DEF(MINGW_BINIA32)gcc
+*_MINGW_IA32_SLINK_PATH      = DEF(MINGW_BINIA32)ar
+*_MINGW_IA32_DLINK_PATH      = DEF(MINGW_BINIA32)ld
+*_MINGW_IA32_ASM_PATH        = DEF(MINGW_BINIA32)gcc
+*_MINGW_IA32_PP_PATH         = DEF(MINGW_BINIA32)gcc
+*_MINGW_IA32_APP_PATH        = DEF(MINGW_BINIA32)gcc
+*_MINGW_IA32_VFRPP_PATH      = DEF(MINGW_BINIA32)gcc
+*_MINGW_IA32_ASLCC_PATH      = DEF(MINGW_BINIA32)gcc
+*_MINGW_IA32_ASLPP_PATH      = DEF(MINGW_BINIA32)gcc
+*_MINGW_IA32_ASLDLINK_PATH   = DEF(MINGW_BINIA32)ld
+*_MINGW_IA32_RC_PATH         = ENV(MS_MISC_BIN)\rc.exe
+*_MINGW_IA32_OBJCOPY_PATH    = DEF(MINGW_BINIA32)objcopy
+*_MINGW_IA32_SYMRENAME_PATH  = DEF(MINGW_BINIA32)objcopy
+
+*_MINGW_IA32_CC_FLAGS        = DEF(GCC_ALL_CC_FLAGS) -m32 -Os -malign-double 
-mno-stack-arg-probe -fomit-frame-pointer -Wno-error
+*_MINGW_IA32_PP_FLAGS        = DEF(GCC_PP_FLAGS) -m32
+*_MINGW_IA32_ASM_FLAGS       = DEF(GCC_ASM_FLAGS) -m32
+*_MINGW_IA32_ASLPP_FLAGS     = DEF(GCC_ASLPP_FLAGS) -m32
+*_MINGW_IA32_ASLCC_FLAGS     = DEF(GCC_ASLCC_FLAGS) -m32
+*_MINGW_IA32_VFRPP_FLAGS     = DEF(GCC_VFRPP_FLAGS) -m32
+*_MINGW_IA32_APP_FLAGS       = -m32
+*_MINGW_IA32_OBJCOPY_FLAGS   = --remove-section .idata --remove-section .edata
+*_MINGW_IA32_SYMRENAME_FLAGS = --remove-section .idata --remove-section .edata
+*_MINGW_IA32_RC_FLAGS        = DEF(GCC_IA32_RC_FLAGS)
+*_MINGW_IA32_NASM_FLAGS      = -f elf32
+
+##################
+# X64 definitions
+##################
+*_MINGW_X64_CC_PATH          = DEF(MINGW_BINX64)gcc
+*_MINGW_X64_SLINK_PATH       = DEF(MINGW_BINX64)ar
+*_MINGW_X64_DLINK_PATH       = DEF(MINGW_BINX64)ld
+*_MINGW_X64_ASM_PATH         = DEF(MINGW_BINX64)gcc
+*_MINGW_X64_PP_PATH          = DEF(MINGW_BINX64)gcc
+*_MINGW_X64_APP_PATH         = DEF(MINGW_BINX64)gcc
+*_MINGW_X64_VFRPP_PATH       = DEF(MINGW_BINX64)gcc
+*_MINGW_X64_ASLCC_PATH       = DEF(MINGW_BINX64)gcc
+*_MINGW_X64_ASLPP_PATH       = DEF(MINGW_BINX64)gcc
+*_MINGW_X64_ASLDLINK_PATH    = DEF(MINGW_BINX64)ld
+*_MINGW_IA32_RC_PATH         = ENV(MS_MISC_BIN)\rc.exe
+*_MINGW_X64_OBJCOPY_PATH     = DEF(MINGW_BINX64)objcopy
+*_MINGW_X64_SYMRENAME_PATH   = rem
+
+*_MINGW_X64_CC_FLAGS         = DEF(GCC_X64_CC_FLAGS) -m64 -Wno-error
+*_MINGW_X64_PP_FLAGS         = DEF(GCC_PP_FLAGS) -m64
+*_MINGW_X64_ASM_FLAGS        = DEF(GCC_ASM_FLAGS) -m64
+*_MINGW_X64_ASLPP_FLAGS      = DEF(GCC_ASLPP_FLAGS) -m64
+*_MINGW_X64_ASLCC_FLAGS      = DEF(GCC_ASLCC_FLAGS) -m64
+*_MINGW_X64_VFRPP_FLAGS      = DEF(GCC_VFRPP_FLAGS) -m64
+*_MINGW_X64_APP_FLAGS        = -m64
+*_MINGW_X64_OBJCOPY_FLAGS    = --remove-section .pdata --remove-section .xdata
+*_MINGW_X64_SYMRENAME_FLAGS  = Symbol renaming not needed for
+*_MINGW_X64_RC_FLAGS         = DEF(GCC_X64_RC_FLAGS)
+*_MINGW_X64_NASM_FLAGS       = -f elf64
+
+##################
+# EBC definitions
+##################
+*_MINGW_EBC_*_FAMILY      = INTEL
+
+*_MINGW_EBC_PP_PATH       = DEF(EBC_BIN)\iec.exe
+*_MINGW_EBC_CC_PATH       = DEF(EBC_BIN)\iec.exe
+*_MINGW_EBC_DLINK_PATH    = DEF(EBC_BIN)\link.exe
+*_MINGW_EBC_SLINK_PATH    = DEF(EBC_BIN)\link.exe
+*_MINGW_EBC_VFRPP_PATH    = DEF(EBC_BIN)\iec.exe
+*_MINGW_EBC_RC_PATH       = ENV(MS_MISC_BIN)\rc.exe
+
+*_MINGW_EBC_CC_FLAGS      = /nologo /c /WX /W3 /FIAutoGen.h 
/D$(MODULE_ENTRY_POINT)=$(ARCH_ENTRY_POINT)
+*_MINGW_EBC_SLINK_FLAGS   = /lib /NOLOGO /MACHINE:EBC
+*_MINGW_EBC_DLINK_FLAGS   = "C:\Program Files\Intel\EBC\Lib\EbcLib.lib" 
/NOLOGO /NODEFAULTLIB /MACHINE:EBC /OPT:REF /ENTRY:$(IMAGE_ENTRY_POINT) 
/SUBSYSTEM:EFI_BOOT_SERVICE_DRIVER /ALIGN:32 /DRIVER
+
+####################################################################################
+#
 # Elf GCC - This configuration is used to compile on Linux boxes to produce elf
 #           binaries.
 #
Index: BaseTools/Source/Python/AutoGen/GenMake.py
===================================================================
--- BaseTools/Source/Python/AutoGen/GenMake.py  (revision 16195)
+++ BaseTools/Source/Python/AutoGen/GenMake.py  (working copy)
@@ -679,7 +679,11 @@
                     NewFile = self.PlaceMacro(str(F), self.Macros)
                     # In order to use file list macro as dependency
                     if T.GenListFile:
-                        self.ListFileMacros[T.ListFileMacro].append(str(F))
+                        # gnu tools need forward slash path separater, even on 
Windows
+                        if self.PlatformInfo.ToolChainFamily in ('GCC'):
+                            
self.ListFileMacros[T.ListFileMacro].append(str(F).replace ('\\', '/'))
+                        else:
+                            self.ListFileMacros[T.ListFileMacro].append(str(F))
                         self.FileListMacros[T.FileListMacro].append(NewFile)
                     elif T.GenFileListMacro:
                         self.FileListMacros[T.FileListMacro].append(NewFile)
Index: MdePkg/Library/BaseLib/BaseLib.inf
===================================================================
--- MdePkg/Library/BaseLib/BaseLib.inf  (revision 16195)
+++ MdePkg/Library/BaseLib/BaseLib.inf  (working copy)
@@ -252,7 +252,7 @@
   Ia32/DisableCache.asm | INTEL
 
   Ia32/GccInline.c | GCC
-  Ia32/Thunk16.nasm | GCC 
+  Ia32/Thunk16.S | GCC 
   Ia32/EnableDisableInterrupts.S | GCC 
   Ia32/EnablePaging64.S | GCC 
   Ia32/DisablePaging32.S | GCC 
@@ -405,7 +405,7 @@
   X86DisablePaging64.c
   X86DisablePaging32.c
   X64/GccInline.c | GCC
-  X64/Thunk16.nasm | GCC 
+  X64/Thunk16.S | GCC 
   X64/SwitchStack.S | GCC 
   X64/SetJump.S | GCC 
   X64/LongJump.S | GCC 
Index: StdLib/EfiSocketLib/EfiSocketLib.inf
===================================================================
--- StdLib/EfiSocketLib/EfiSocketLib.inf        (revision 16195)
+++ StdLib/EfiSocketLib/EfiSocketLib.inf        (working copy)
@@ -68,3 +68,6 @@
   gEfiUdp6ServiceBindingProtocolGuid
   gEfiSocketProtocolGuid
   gEfiSocketServiceBindingProtocolGuid
+
+[BuildOptions]
+  GCC:*_MINGW_*_CC_FLAGS = -D__attribute__(weak)=
Index: StdLib/Include/X64/machine/limits.h
===================================================================
--- StdLib/Include/X64/machine/limits.h (revision 16195)
+++ StdLib/Include/X64/machine/limits.h (working copy)
@@ -2,7 +2,7 @@
 
 #define __POINTER_BIT   64
 
-#if defined(__GNUC__)
+#if defined(__GNUC__) && !defined(_WIN32)
 #if __GNUC_PREREQ__(4,4)
   #define __LONG_BIT      64

-- 
Thanks,
Scott

Attachment: mingw-002.patch
Description: Binary data

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