Attempt to make a working build system for linux.

.vs/msvc/uefi-simple.vcxproj

@@ -154,7 +154,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>$(SolutionDir)\gnu-efi\inc;$(SolutionDir)\gnu-efi\inc\x86_64</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)inc;$(SolutionDir)\gnu-efi\inc;$(SolutionDir)\gnu-efi\inc\x86_64</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_UNICODE;UNICODE;HAVE_USE_MS_ABI;GNU_EFI_USE_EXTERNAL_STDARG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>false</ExceptionHandling>
       <CompileAs>CompileAsC</CompileAs>
@@ -386,11 +386,18 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\main.c" />
+    <ClCompile Include="..\..\src\bootloader.c" />
+    <ClCompile Include="..\..\src\gfx.c" />
+    <ClCompile Include="..\..\src\main.c" />
+    <ClCompile Include="..\..\src\memory.c" />
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\debug.vbs" />
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\inc\ELF.h" />
+    <ClInclude Include="BL.h" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

.vs/msvc/uefi-simple.vcxproj.filters

@@ -19,8 +19,25 @@
     </None>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\main.c">
+    <ClCompile Include="..\..\src\bootloader.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\gfx.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\main.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\memory.c">
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="BL.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\inc\ELF.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
 </Project>

build.sh

@@ -0,0 +1,42 @@
+set +v
+
+
+CurrentDir = $PWD
+GCC-NAME = x86_64-w64-mingw
+EFI-FOLDER = gnu-efi
+
+Linker="$EFI-FOLDER/gnuefi/elf_x86_64_efi.lds"
+
+cd ./x64
+
+rm objects.list
+
+HeaderFiles=-I$CurrentDir/inc/                 \
+            -I$CurrentDir/gnu-efi/inc          \
+			-I$CurrentDir/gnu-efi/inc/x86_64   \
+			-I$CurrentDir/gnu-efi/inc/protocol \
+			-I$CurrentDir/gnu-efi/lib
+			
+			
+set -v
+for f in $CurrentDir/src/*.c; do
+	echo "$GCC-NAME-gcc" -ffreestanding -fpic -fshort-wchar -fno-stack-protector -fno-stack-check -fno-strict-aliasing -fno-merge-all-constants -m64 -mno-redzone -DGNU_USE_MS_ABI -maccumulate-outgoing-args --std=c11 $HeaderFiles -Og -g3 -Wall -Wextra -Wdouble-promotion -fmessage-length=0 -c -MMD -MP -Wa,-adhln="${f%.*}.out" -MF"${f%.*}.d" -MT"${f%.*}.o" -o "${f%.*}.o" "$f"
+	"$GCC-NAME-gcc" -ffreestanding -fpic -fshort-wchar -fno-stack-protector -fno-stack-check -fno-strict-aliasing -fno-merge-all-constants -m64 -mno-redzone -DGNU_USE_MS_ABI -maccumulate-outgoing-args --std=c11 $HeaderFiles -Og -g3 -Wall -Wextra -Wdouble-promotion -fmessage-length=0 -c -MMD -MP -Wa,-adhln="${f%.*}.out" -MF"${f%.*}.d" -MT"${f%.*}.o" -o "${f%.*}.o" "$f"
+done
+
+set +v
+
+while read f; do
+	echo "${f%.*}.o" | tee -a objects.list
+done < $CurrentDir/c_files.txt
+
+for f in $CurrentDir/src/*.o; do
+	echo "$f" | tee -a objects.list
+done
+
+set -v
+	"$GCC-NAME-ld" -T$Linker -nostdlib --warn-common --no-undefined -znocombreloc -s -shared -Bsymbolic -Map=output.map -o "program.so" @"objects.list"
+set +v
+
+rm image/efi/boot/BOOTx64.efi
+objcopy -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel -j .rela -j .rel.* -j .rela.* -j .rel* -j .reloc --target=efi-app-x86_64 "program.so" "image/efi/boot/BOOTx64.efi"

c_files.txt

@@ -0,0 +1,30 @@
+gnu-efi/lib/misc.c
+gnu-efi/lib/print.c
+gnu-efi/lib/smbios.c
+gnu-efi/lib/sread.c
+gnu-efi/lib/str.c
+gnu-efi/lib/boxdraw.c
+gnu-efi/lib/cmdline.c
+gnu-efi/lib/console.c
+gnu-efi/lib/crc.c
+gnu-efi/lib/data.c
+gnu-efi/lib/debug.c
+gnu-efi/lib/dpath.c
+gnu-efi/lib/error.c
+gnu-efi/lib/event.c
+gnu-efi/lib/exit.c
+gnu-efi/lib/guid.c
+gnu-efi/lib/hand.c
+gnu-efi/lib/hw.c
+gnu-efi/lib/init.c
+gnu-efi/lib/lock.c
+gnu-efi/lib/x86_64/callwrap.c
+gnu-efi/lib/x86_64/efi_stub.S
+gnu-efi/lib/x86_64/initplat.c
+gnu-efi/lib/x86_64/math.c
+gnu-efi/lib/x86_64/setjmp.S
+gnu-efi/lib/runtime/efirtlib.c
+gnu-efi/lib/runtime/rtdata.c
+gnu-efi/lib/runtime/rtlock.c
+gnu-efi/lib/runtime/rtstr.c
+gnu-efi/lib/runtime/vm.c

src/bootloader.c

@@ -974,7 +974,7 @@ EFI_STATUS LoadKernel(EFI_HANDLE ImageHandle, GFX_INFO* Graphics, EFI_CONFIGURAT
 			AwaitKey(L"\0");
 #endif
 
-			KernelStatus = IMAGE_FILE_EXECUTABLE_IMAGE;
+			KernelStatus = DOS_EXECUTABLE;
 			Print(L"\r\n Error 0x%llx: This file cannot be run in UEFI mode.\r\n", KernelStatus);
 			return KernelStatus;
 		}

src/gfx.c

@@ -129,6 +129,7 @@ EFI_STATUS InitGfx(EFI_HANDLE ImageHandle, GFX_INFO* Graphics) {
 #ifdef GFX_DEBUG_NAMING
 	Print(L"Number of NAME2 handles: %llu\r\n", NumName2Handles);
 	Print(L"Number of Device Path handles: %llu\r\n", NumDevicePathHandles);
+	AwaitKey(L"\0");
 #endif
 
 	for (DeviceInd = 0; DeviceInd < NumGfxHandles; DeviceInd++) {
@@ -283,7 +284,7 @@ EFI_STATUS InitGfx(EFI_HANDLE ImageHandle, GFX_INFO* Graphics) {
 						{
 
 #ifdef GFX_DEBUG_NAMING
-							Print(L"Name2Device GetController ChildName error: 0x%llu\r\n", GfxStatus);
+							Print(L"Name2Device GetController ChildName error: 0x%llx\r\n", GfxStatus);
 #endif
 							ChildDisplayName = DefaultChildName;
 						}
@@ -483,7 +484,7 @@ EFI_STATUS InitGfx(EFI_HANDLE ImageHandle, GFX_INFO* Graphics) {
 			 // CatPrint solves an edgecase in GNU-EFI relating to an off-by-one error.
 
 			POOL_PRINT StringName = { 0 };
-			CatPrint(&StringName, L"%c. %s: %s @ Memory Address 0xllx, using %s\r\n", DeviceInd + 0x30 /* Shift into the ASCII numbers */, ControllerDisplayName, ChildDisplayName, GraphicsHandles[DeviceInd], DriverDisplayName);
+			CatPrint(&StringName, L"%c. %s: %s @ Memory Address 0x%llx, using %s\r\n", DeviceInd + 0x30 /* Shift into the ASCII numbers */, ControllerDisplayName, ChildDisplayName, GraphicsHandles[DeviceInd], DriverDisplayName);
 			NameBuffer[DeviceInd] = StringName.str;
 
 #ifdef GFX_DEBUG_NAMING

x64/Debug/uefi-simple/uefi-simple.log

@@ -1,2 +1,14 @@
-  main.c
+  bootloader.c
+c:\users\gem\documents\red\src\bootloader.c(221): warning C4022: 'Compare': pointer mismatch for actual parameter 2
+c:\users\gem\documents\red\src\bootloader.c(226): warning C4022: 'Compare': pointer mismatch for actual parameter 2
+c:\users\gem\documents\red\src\bootloader.c(373): warning C4133: 'function': incompatible types - from 'char [43]' to 'CHAR16 *'
+c:\users\gem\documents\red\src\bootloader.c(641): warning C4013: 'FindFreeAddress_ByPage' undefined; assuming extern returning int
+  gfx.c
+c:\users\gem\documents\red\src\gfx.c(642): warning C4047: 'function': 'BOOLEAN' differs in levels of indirection from 'void *'
+c:\users\gem\documents\red\src\gfx.c(642): warning C4024: 'function through pointer': different types for formal and actual parameter 2
+c:\users\gem\documents\red\src\gfx.c(645): warning C4047: 'function': 'BOOLEAN' differs in levels of indirection from 'void *'
+c:\users\gem\documents\red\src\gfx.c(645): warning C4024: 'function through pointer': different types for formal and actual parameter 2
+c:\users\gem\documents\red\src\gfx.c(45): warning C4101: 'GfxInfoSize': unreferenced local variable
+  Generating Code...
+c:\users\gem\documents\red\src\bootloader.c(1445): warning C4700: uninitialized local variable 'LoaderBlock' used
   uefi-simple.vcxproj -> C:\Users\Gem\Documents\red\x64\Debug\uefi-simple.efi