add Arm stack tracker test application and driver

* See https://github.com/pbatard/edk2/commits/ebc-arm2
* Also add gnu-efi submodules

.gitignore

@@ -1,5 +1,6 @@
 *.efi
 !protocol_driver/*.efi
+!stacktracker/driver/*.efi
 *.exe
 *.fd
 image

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "stacktracker/driver/gnu-efi"]
+	path = stacktracker/driver/gnu-efi
+	url = git://git.code.sf.net/p/gnu-efi/code
+[submodule "protocol_driver/gnu-efi"]
+	path = protocol_driver/gnu-efi
+	url = git://git.code.sf.net/p/gnu-efi/code

intel/Readme.txt

@@ -0,0 +1 @@
+This directory contains the demo samples from the EBC Debugger.

make.cmd

@@ -70,11 +70,8 @@ if not exist %QEMU_FIRMWARE% (
 if [%UEFI_EXT%]==[arm] (
   echo.
   echo Notice: EBC support for ARM is not yet integrated into EDK2
-  echo This means that a specially patched UEFI firmware is required for
-  echo EBC to work on ARM...
-  echo However, please be mindful that there exist residual issues which
-  echo you need to be aware of regarding native CALLEX and parameter
-  echo queueing. For details, please see the 'protocol.asm' sample.
+  echo This means that a specially patched UEFI firmware is required
+  echo for EBC to work on ARM...
   echo.
 )
 

protocol.asm

@@ -124,7 +124,6 @@ EfiMain:
   ; values. 32-bit integers are pushed as natural size (since they should be
   ; passed as 64-bit parameter values on 64-bit machines).
   ;
-  MOV       R2, @R2
   MOVIq     R1, 0x7B7B7B7B7A7A7A7A
   PUSH64    R1
   MOVId     R1, 0x6C6C6C6C

protocol_driver/Readme.txt

@@ -5,5 +5,5 @@ validate EBC to native access, and especially the marshalling of CALLEX
 parameters.
 
 These were compiled from the driver.c source on Debian 8.0 (Sid),
-using the included Makefile. Note that you must have gnu-efi in the same
-directory for compilation.
+using the included Makefile. Note that you will should initialize the
+gnu-efi submodule in this directory to be able to compile the driver.

stacktracker/Readme.txt

@@ -0,0 +1,2 @@
+This directory contains the test suite for the ARM EBC Stack Tracker:
+https://github.com/pbatard/edk2/commits/ebc-arm2

stacktracker/driver/.msvc/driver.vcxproj.filters

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{b1c3b304-e868-4b07-988c-36ad7bc57300}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="..\debug.vbs">
+      <Filter>Resource Files</Filter>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\driver.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>

stacktracker/driver/.msvc/driver.vcxproj.user

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LocalDebuggerCommand>$(SystemRoot)\System32\wscript</LocalDebuggerCommand>
+    <LocalDebuggerCommandArguments>//d debug.vbs "$(TargetPath)" "$(PlatformShortName)"</LocalDebuggerCommandArguments>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)</LocalDebuggerWorkingDirectory>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LocalDebuggerCommand>$(SystemRoot)\System32\wscript</LocalDebuggerCommand>
+    <LocalDebuggerCommandArguments>//d debug.vbs "$(TargetPath)" "$(PlatformShortName)"</LocalDebuggerCommandArguments>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)</LocalDebuggerWorkingDirectory>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">
+    <LocalDebuggerCommand>$(SystemRoot)\System32\wscript</LocalDebuggerCommand>
+    <LocalDebuggerCommandArguments>//d debug.vbs "$(TargetPath)" "$(PlatformShortName)"</LocalDebuggerCommandArguments>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)</LocalDebuggerWorkingDirectory>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LocalDebuggerCommand>$(SystemRoot)\System32\wscript</LocalDebuggerCommand>
+    <LocalDebuggerCommandArguments>//d debug.vbs "$(TargetPath)" "$(PlatformShortName)"</LocalDebuggerCommandArguments>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)</LocalDebuggerWorkingDirectory>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LocalDebuggerCommand>$(SystemRoot)\System32\wscript</LocalDebuggerCommand>
+    <LocalDebuggerCommandArguments>//d debug.vbs "$(TargetPath)" "$(PlatformShortName)"</LocalDebuggerCommandArguments>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)</LocalDebuggerWorkingDirectory>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">
+    <LocalDebuggerCommand>$(SystemRoot)\System32\wscript</LocalDebuggerCommand>
+    <LocalDebuggerCommandArguments>//d debug.vbs "$(TargetPath)" "$(PlatformShortName)"</LocalDebuggerCommandArguments>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)</LocalDebuggerWorkingDirectory>
+  </PropertyGroup>
+</Project>