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-rw-r--r--MdePkg/Library/BaseLib/x64/CpuBreakpoint.asm37
-rw-r--r--MdePkg/Library/BaseLib/x64/CpuFlushTlb.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/CpuId.asm62
-rw-r--r--MdePkg/Library/BaseLib/x64/CpuPause.asm37
-rw-r--r--MdePkg/Library/BaseLib/x64/CpuSleep.asm37
-rw-r--r--MdePkg/Library/BaseLib/x64/DisableInterrupts.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/DisablePaging64.asm54
-rw-r--r--MdePkg/Library/BaseLib/x64/EnableDisableInterrupts.asm39
-rw-r--r--MdePkg/Library/BaseLib/x64/EnableInterrupts.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/FlushCacheLine.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/FxRestore.asm31
-rw-r--r--MdePkg/Library/BaseLib/x64/FxSave.asm31
-rw-r--r--MdePkg/Library/BaseLib/x64/InterlockedCompareExchange32.asm41
-rw-r--r--MdePkg/Library/BaseLib/x64/InterlockedCompareExchange64.asm41
-rw-r--r--MdePkg/Library/BaseLib/x64/InterlockedDecrement.asm39
-rw-r--r--MdePkg/Library/BaseLib/x64/InterlockedIncrement.asm39
-rw-r--r--MdePkg/Library/BaseLib/x64/Invd.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/LongJump.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/Monitor.asm43
-rw-r--r--MdePkg/Library/BaseLib/x64/Mwait.asm41
-rw-r--r--MdePkg/Library/BaseLib/x64/Non-existing.c54
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadCr0.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadCr2.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadCr3.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadCr4.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadCs.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr0.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr1.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr2.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr3.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr4.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr5.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr6.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDr7.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadDs.asm39
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadEflags.asm39
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadEs.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadFs.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadGdtr.asm31
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadGs.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadIdtr.asm31
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadLdtr.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm0.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm1.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm2.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm3.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm4.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm5.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm6.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMm7.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMsr32.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadMsr64.asm40
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadPmc.asm43
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadSs.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadTr.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/ReadTsc.asm40
-rw-r--r--MdePkg/Library/BaseLib/x64/SetJump.asm40
-rw-r--r--MdePkg/Library/BaseLib/x64/SwitchStack.asm47
-rw-r--r--MdePkg/Library/BaseLib/x64/Thunk16.asm189
-rw-r--r--MdePkg/Library/BaseLib/x64/Wbinvd.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteCr0.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteCr2.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteCr3.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteCr4.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr0.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr1.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr2.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr3.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr4.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr5.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr6.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteDr7.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteGdtr.asm31
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteIdtr.asm31
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteLdtr.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm0.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm1.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm2.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm3.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm4.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm5.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm6.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMm7.asm38
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMsr32.asm41
-rw-r--r--MdePkg/Library/BaseLib/x64/WriteMsr64.asm43
85 files changed, 3439 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/x64/CpuBreakpoint.asm b/MdePkg/Library/BaseLib/x64/CpuBreakpoint.asm
new file mode 100644
index 0000000000..f1ebe47b21
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/CpuBreakpoint.asm
@@ -0,0 +1,37 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; CpuBreakpoint.Asm
+;
+; Abstract:
+;
+; CpuBreakpoint function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuBreakpoint (
+; VOID
+; );
+;------------------------------------------------------------------------------
+CpuBreakpoint PROC
+ int 3
+ ret
+CpuBreakpoint ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/CpuFlushTlb.asm b/MdePkg/Library/BaseLib/x64/CpuFlushTlb.asm
new file mode 100644
index 0000000000..c2c4490e9d
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/CpuFlushTlb.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; CpuFlushTlb.Asm
+;
+; Abstract:
+;
+; CpuFlushTlb function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuFlushTlb (
+; VOID
+; );
+;------------------------------------------------------------------------------
+CpuFlushTlb PROC
+ mov rax, cr3
+ mov cr3, rax
+ ret
+CpuFlushTlb ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/CpuId.asm b/MdePkg/Library/BaseLib/x64/CpuId.asm
new file mode 100644
index 0000000000..867e92a677
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/CpuId.asm
@@ -0,0 +1,62 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; CpuId.Asm
+;
+; Abstract:
+;
+; AsmCpuid function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; AsmCpuid (
+; IN UINT32 RegisterInEax,
+; OUT UINT32 *RegisterOutEax OPTIONAL,
+; OUT UINT32 *RegisterOutEbx OPTIONAL,
+; OUT UINT32 *RegisterOutEcx OPTIONAL,
+; OUT UINT32 *RegisterOutEdx OPTIONAL
+; )
+;------------------------------------------------------------------------------
+AsmCpuid PROC USES rbx
+ mov eax, ecx
+ push rdx
+ push rax ; save Index on stack
+ cpuid
+ test r9, r9
+ jz @F
+ mov [r9], ecx
+@@:
+ pop rcx
+ jrcxz @F
+ mov [rcx], eax
+@@:
+ mov rcx, r8
+ jrcxz @F
+ mov [rcx], ebx
+@@:
+ mov rcx, [rsp + 30h]
+ jrcxz @F
+ mov [rcx], edx
+@@:
+ pop rax ; restore Index to rax as return value
+ ret
+AsmCpuid ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/CpuPause.asm b/MdePkg/Library/BaseLib/x64/CpuPause.asm
new file mode 100644
index 0000000000..d16da37712
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/CpuPause.asm
@@ -0,0 +1,37 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; CpuPause.Asm
+;
+; Abstract:
+;
+; CpuPause function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuPause (
+; VOID
+; );
+;------------------------------------------------------------------------------
+CpuPause PROC
+ pause
+ ret
+CpuPause ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/CpuSleep.asm b/MdePkg/Library/BaseLib/x64/CpuSleep.asm
new file mode 100644
index 0000000000..b2c4907032
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/CpuSleep.asm
@@ -0,0 +1,37 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; CpuSleep.Asm
+;
+; Abstract:
+;
+; CpuSleep function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuSleep (
+; VOID
+; );
+;------------------------------------------------------------------------------
+CpuSleep PROC
+ hlt
+ ret
+CpuSleep ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/DisableInterrupts.asm b/MdePkg/Library/BaseLib/x64/DisableInterrupts.asm
new file mode 100644
index 0000000000..586832c1a2
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/DisableInterrupts.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; DisableInterrupts.Asm
+;
+; Abstract:
+;
+; DisableInterrupts function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; DisableInterrupts (
+; VOID
+; );
+;------------------------------------------------------------------------------
+DisableInterrupts PROC
+ cli
+ ret
+DisableInterrupts ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/DisablePaging64.asm b/MdePkg/Library/BaseLib/x64/DisablePaging64.asm
new file mode 100644
index 0000000000..3134e42571
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/DisablePaging64.asm
@@ -0,0 +1,54 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; DisablePaging64.Asm
+;
+; Abstract:
+;
+; AsmDisablePaging64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalX86DisablePaging64 PROC
+ cli
+ shl rcx, 32
+ lea ecx, @F
+ push rcx
+ mov ebx, edx
+ mov esi, r8d
+ mov edi, r9d
+ mov eax, [rsp + 28h]
+ retf
+@@:
+ mov esp, eax ; set up new stack
+ mov rax, cr0
+ btr eax, 31
+ mov cr0, rax ; disable paging
+ mov ecx, 0c0000080h
+ rdmsr
+ and ah, NOT 1 ; clear LME
+ wrmsr
+ mov rax, cr4
+ and al, NOT (1 SHL 5) ; clear PAE
+ mov cr4, rax
+ push rdi
+ push rsi
+ call rbx
+ jmp $
+InternalX86DisablePaging64 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/EnableDisableInterrupts.asm b/MdePkg/Library/BaseLib/x64/EnableDisableInterrupts.asm
new file mode 100644
index 0000000000..0d0400f007
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/EnableDisableInterrupts.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; EnableDisableInterrupts.Asm
+;
+; Abstract:
+;
+; EnableDisableInterrupts function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; EnableDisableInterrupts (
+; VOID
+; );
+;------------------------------------------------------------------------------
+EnableDisableInterrupts PROC
+ sti
+ cli
+ ret
+EnableDisableInterrupts ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/EnableInterrupts.asm b/MdePkg/Library/BaseLib/x64/EnableInterrupts.asm
new file mode 100644
index 0000000000..8fb4adfe37
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/EnableInterrupts.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; EnableInterrupts.Asm
+;
+; Abstract:
+;
+; EnableInterrupts function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; EnableInterrupts (
+; VOID
+; );
+;------------------------------------------------------------------------------
+EnableInterrupts PROC
+ sti
+ ret
+EnableInterrupts ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/FlushCacheLine.asm b/MdePkg/Library/BaseLib/x64/FlushCacheLine.asm
new file mode 100644
index 0000000000..1d470e8753
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/FlushCacheLine.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; FlushCacheLine.Asm
+;
+; Abstract:
+;
+; AsmFlushCacheLine function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; AsmFlushCacheLine (
+; IN VOID *LinearAddress
+; );
+;------------------------------------------------------------------------------
+AsmFlushCacheLine PROC
+ clflush [rcx]
+ ret
+AsmFlushCacheLine ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/FxRestore.asm b/MdePkg/Library/BaseLib/x64/FxRestore.asm
new file mode 100644
index 0000000000..8acfc2f00f
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/FxRestore.asm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; FxRestore.Asm
+;
+; Abstract:
+;
+; AsmFxRestore function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalX86FxRestore PROC
+ fxrstor [rcx]
+ ret
+InternalX86FxRestore ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/FxSave.asm b/MdePkg/Library/BaseLib/x64/FxSave.asm
new file mode 100644
index 0000000000..cacb1f5283
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/FxSave.asm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; FxSave.Asm
+;
+; Abstract:
+;
+; AsmFxSave function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalX86FxSave PROC
+ fxsave [rcx]
+ ret
+InternalX86FxSave ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/InterlockedCompareExchange32.asm b/MdePkg/Library/BaseLib/x64/InterlockedCompareExchange32.asm
new file mode 100644
index 0000000000..55b055453f
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/InterlockedCompareExchange32.asm
@@ -0,0 +1,41 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; InterlockedCompareExchange32.Asm
+;
+; Abstract:
+;
+; InterlockedCompareExchange32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT32
+; EFIAPI
+; InterlockedCompareExchange32 (
+; IN UINT32 *Value,
+; IN UINT32 CompareValue,
+; IN UINT32 ExchangeValue
+; );
+;------------------------------------------------------------------------------
+InternalSyncCompareExchange32 PROC
+ mov eax, edx
+ lock cmpxchg [rcx], r8d
+ ret
+InternalSyncCompareExchange32 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/InterlockedCompareExchange64.asm b/MdePkg/Library/BaseLib/x64/InterlockedCompareExchange64.asm
new file mode 100644
index 0000000000..88c25a56de
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/InterlockedCompareExchange64.asm
@@ -0,0 +1,41 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; InterlockedCompareExchange64.Asm
+;
+; Abstract:
+;
+; InterlockedCompareExchange64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; InterlockedCompareExchange64 (
+; IN UINT64 *Value,
+; IN UINT64 CompareValue,
+; IN UINT64 ExchangeValue
+; );
+;------------------------------------------------------------------------------
+InternalSyncCompareExchange64 PROC
+ mov rax, rdx
+ lock cmpxchg [rcx], r8
+ ret
+InternalSyncCompareExchange64 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/InterlockedDecrement.asm b/MdePkg/Library/BaseLib/x64/InterlockedDecrement.asm
new file mode 100644
index 0000000000..f907fed4a8
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/InterlockedDecrement.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; InterlockedDecrement.Asm
+;
+; Abstract:
+;
+; InterlockedDecrement function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT32
+; EFIAPI
+; InterlockedDecrement (
+; IN UINT32 *Value
+; );
+;------------------------------------------------------------------------------
+InternalSyncDecrement PROC
+ lock dec dword ptr [rcx]
+ mov eax, [rcx]
+ ret
+InternalSyncDecrement ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/InterlockedIncrement.asm b/MdePkg/Library/BaseLib/x64/InterlockedIncrement.asm
new file mode 100644
index 0000000000..f5a4130bf1
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/InterlockedIncrement.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; InterlockedIncrement.Asm
+;
+; Abstract:
+;
+; InterlockedIncrement function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT32
+; EFIAPI
+; InterlockedIncrement (
+; IN UINT32 *Value
+; );
+;------------------------------------------------------------------------------
+InternalSyncIncrement PROC
+ lock inc dword ptr [rcx]
+ mov eax, [rcx]
+ ret
+InternalSyncIncrement ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/Invd.asm b/MdePkg/Library/BaseLib/x64/Invd.asm
new file mode 100644
index 0000000000..446587923b
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/Invd.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; Invd.Asm
+;
+; Abstract:
+;
+; AsmInvd function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; AsmInvd (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmInvd PROC
+ invd
+ ret
+AsmInvd ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/LongJump.asm b/MdePkg/Library/BaseLib/x64/LongJump.asm
new file mode 100644
index 0000000000..6634778592
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/LongJump.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; LongJump.Asm
+;
+; Abstract:
+;
+; Implementation of LongJump() on x64.
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+LongJump PROC
+ mov rbx, [rcx]
+ mov rsp, [rcx + 8]
+ mov rbp, [rcx + 10h]
+ mov rdi, [rcx + 18h]
+ mov rsi, [rcx + 20h]
+ mov r12, [rcx + 28h]
+ mov r13, [rcx + 30h]
+ mov r14, [rcx + 38h]
+ mov r15, [rcx + 40h]
+ mov rax, rdx
+ jmp qword ptr [rcx + 48h]
+LongJump ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/Monitor.asm b/MdePkg/Library/BaseLib/x64/Monitor.asm
new file mode 100644
index 0000000000..0140494d30
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/Monitor.asm
@@ -0,0 +1,43 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; Monitor.Asm
+;
+; Abstract:
+;
+; AsmMonitor function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmMonitor (
+; IN UINTN Eax,
+; IN UINTN Ecx,
+; IN UINTN Edx
+; );
+;------------------------------------------------------------------------------
+AsmMonitor PROC
+ mov eax, ecx
+ mov ecx, edx
+ mov edx, r8d
+ DB 0fh, 1, 0c8h
+ ret
+AsmMonitor ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/Mwait.asm b/MdePkg/Library/BaseLib/x64/Mwait.asm
new file mode 100644
index 0000000000..8f76d944f1
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/Mwait.asm
@@ -0,0 +1,41 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; Mwait.Asm
+;
+; Abstract:
+;
+; AsmMwait function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmMwait (
+; IN UINTN Eax,
+; IN UINTN Ecx
+; );
+;------------------------------------------------------------------------------
+AsmMwait PROC
+ mov eax, ecx
+ mov ecx, edx
+ DB 0fh, 1, 0c9h
+ ret
+AsmMwait ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/Non-existing.c b/MdePkg/Library/BaseLib/x64/Non-existing.c
new file mode 100644
index 0000000000..b2c737857d
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/Non-existing.c
@@ -0,0 +1,54 @@
+/** @file
+ Non-existing BaseLib functions on x64
+
+ Copyright (c) 2006, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: Non-existing.c
+
+**/
+
+#include "../BaseLibInternals.h"
+
+VOID
+EFIAPI
+InternalX86EnablePaging32 (
+ IN SWITCH_STACK_ENTRY_POINT EntryPoint,
+ IN VOID *Context1, OPTIONAL
+ IN VOID *Context2, OPTIONAL
+ IN VOID *NewStack
+ )
+{
+ ASSERT (FALSE);
+}
+
+VOID
+EFIAPI
+InternalX86DisablePaging32 (
+ IN SWITCH_STACK_ENTRY_POINT EntryPoint,
+ IN VOID *Context1, OPTIONAL
+ IN VOID *Context2, OPTIONAL
+ IN VOID *NewStack
+ )
+{
+ ASSERT (FALSE);
+}
+
+VOID
+EFIAPI
+InternalX86EnablePaging64 (
+ IN UINT16 Cs,
+ IN UINT64 EntryPoint,
+ IN UINT64 Context1, OPTIONAL
+ IN UINT64 Context2, OPTIONAL
+ IN UINT64 NewStack
+ )
+{
+ ASSERT (FALSE);
+}
diff --git a/MdePkg/Library/BaseLib/x64/ReadCr0.asm b/MdePkg/Library/BaseLib/x64/ReadCr0.asm
new file mode 100644
index 0000000000..3e369c3a81
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadCr0.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadCr0.Asm
+;
+; Abstract:
+;
+; AsmReadCr0 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadCr0 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadCr0 PROC
+ mov rax, cr0
+ ret
+AsmReadCr0 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadCr2.asm b/MdePkg/Library/BaseLib/x64/ReadCr2.asm
new file mode 100644
index 0000000000..8476f5af18
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadCr2.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadCr2.Asm
+;
+; Abstract:
+;
+; AsmReadCr2 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadCr2 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadCr2 PROC
+ mov rax, cr2
+ ret
+AsmReadCr2 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadCr3.asm b/MdePkg/Library/BaseLib/x64/ReadCr3.asm
new file mode 100644
index 0000000000..af54d46373
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadCr3.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadCr3.Asm
+;
+; Abstract:
+;
+; AsmReadCr3 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadCr3 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadCr3 PROC
+ mov rax, cr3
+ ret
+AsmReadCr3 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadCr4.asm b/MdePkg/Library/BaseLib/x64/ReadCr4.asm
new file mode 100644
index 0000000000..c8a881db9e
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadCr4.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadCr4.Asm
+;
+; Abstract:
+;
+; AsmReadCr4 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadCr4 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadCr4 PROC
+ mov rax, cr4
+ ret
+AsmReadCr4 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadCs.asm b/MdePkg/Library/BaseLib/x64/ReadCs.asm
new file mode 100644
index 0000000000..126149a47c
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadCs.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadCs.Asm
+;
+; Abstract:
+;
+; AsmReadCs function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadCs (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadCs PROC
+ mov ax, cs
+ ret
+AsmReadCs ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr0.asm b/MdePkg/Library/BaseLib/x64/ReadDr0.asm
new file mode 100644
index 0000000000..7e0d6b714a
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr0.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr0.Asm
+;
+; Abstract:
+;
+; AsmReadDr0 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr0 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr0 PROC
+ mov rax, dr0
+ ret
+AsmReadDr0 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr1.asm b/MdePkg/Library/BaseLib/x64/ReadDr1.asm
new file mode 100644
index 0000000000..22f11c4e0f
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr1.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr1.Asm
+;
+; Abstract:
+;
+; AsmReadDr1 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr1 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr1 PROC
+ mov rax, dr1
+ ret
+AsmReadDr1 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr2.asm b/MdePkg/Library/BaseLib/x64/ReadDr2.asm
new file mode 100644
index 0000000000..3b81605861
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr2.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr2.Asm
+;
+; Abstract:
+;
+; AsmReadDr2 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr2 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr2 PROC
+ mov rax, dr2
+ ret
+AsmReadDr2 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr3.asm b/MdePkg/Library/BaseLib/x64/ReadDr3.asm
new file mode 100644
index 0000000000..1968fd0d67
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr3.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr3.Asm
+;
+; Abstract:
+;
+; AsmReadDr3 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr3 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr3 PROC
+ mov rax, dr3
+ ret
+AsmReadDr3 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr4.asm b/MdePkg/Library/BaseLib/x64/ReadDr4.asm
new file mode 100644
index 0000000000..97740016b3
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr4.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr4.Asm
+;
+; Abstract:
+;
+; AsmReadDr4 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr4 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr4 PROC
+ DB 0fh, 21h, 0e0h
+ ret
+AsmReadDr4 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr5.asm b/MdePkg/Library/BaseLib/x64/ReadDr5.asm
new file mode 100644
index 0000000000..0582502220
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr5.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr5.Asm
+;
+; Abstract:
+;
+; AsmReadDr5 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr5 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr5 PROC
+ DB 0fh, 21h, 0e8h
+ ret
+AsmReadDr5 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr6.asm b/MdePkg/Library/BaseLib/x64/ReadDr6.asm
new file mode 100644
index 0000000000..a3dafb9b9f
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr6.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr6.Asm
+;
+; Abstract:
+;
+; AsmReadDr6 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr6 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr6 PROC
+ mov rax, dr6
+ ret
+AsmReadDr6 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDr7.asm b/MdePkg/Library/BaseLib/x64/ReadDr7.asm
new file mode 100644
index 0000000000..0cff14b5c4
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDr7.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDr7.Asm
+;
+; Abstract:
+;
+; AsmReadDr7 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadDr7 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDr7 PROC
+ mov rax, dr7
+ ret
+AsmReadDr7 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadDs.asm b/MdePkg/Library/BaseLib/x64/ReadDs.asm
new file mode 100644
index 0000000000..bdcddb65d8
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadDs.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadDs.Asm
+;
+; Abstract:
+;
+; AsmReadDs function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadDs (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadDs PROC
+ mov ax, ds
+ ret
+AsmReadDs ENDP
+
+ END
+
diff --git a/MdePkg/Library/BaseLib/x64/ReadEflags.asm b/MdePkg/Library/BaseLib/x64/ReadEflags.asm
new file mode 100644
index 0000000000..174ae95887
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadEflags.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadEflags.Asm
+;
+; Abstract:
+;
+; AsmReadEflags function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadEflags (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadEflags PROC
+ pushfq
+ pop rax
+ ret
+AsmReadEflags ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadEs.asm b/MdePkg/Library/BaseLib/x64/ReadEs.asm
new file mode 100644
index 0000000000..40384bcd71
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadEs.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadEs.Asm
+;
+; Abstract:
+;
+; AsmReadEs function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadEs (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadEs PROC
+ mov ax, es
+ ret
+AsmReadEs ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadFs.asm b/MdePkg/Library/BaseLib/x64/ReadFs.asm
new file mode 100644
index 0000000000..b63e474023
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadFs.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadFs.Asm
+;
+; Abstract:
+;
+; AsmReadFs function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadFs (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadFs PROC
+ mov ax, fs
+ ret
+AsmReadFs ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadGdtr.asm b/MdePkg/Library/BaseLib/x64/ReadGdtr.asm
new file mode 100644
index 0000000000..2d40599a8b
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadGdtr.asm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadGdtr.Asm
+;
+; Abstract:
+;
+; AsmReadGdtr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalX86ReadGdtr PROC
+ sgdt fword ptr [rcx]
+ ret
+InternalX86ReadGdtr ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadGs.asm b/MdePkg/Library/BaseLib/x64/ReadGs.asm
new file mode 100644
index 0000000000..02d140e670
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadGs.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadGs.Asm
+;
+; Abstract:
+;
+; AsmReadGs function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadGs (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadGs PROC
+ mov ax, gs
+ ret
+AsmReadGs ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadIdtr.asm b/MdePkg/Library/BaseLib/x64/ReadIdtr.asm
new file mode 100644
index 0000000000..260f697178
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadIdtr.asm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadIdtr.Asm
+;
+; Abstract:
+;
+; AsmReadIdtr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalX86ReadIdtr PROC
+ sidt fword ptr [rcx]
+ ret
+InternalX86ReadIdtr ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadLdtr.asm b/MdePkg/Library/BaseLib/x64/ReadLdtr.asm
new file mode 100644
index 0000000000..3d6a2f8843
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadLdtr.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadLdtr.Asm
+;
+; Abstract:
+;
+; AsmReadLdtr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadLdtr (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadLdtr PROC
+ sldt eax
+ ret
+AsmReadLdtr ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm0.asm b/MdePkg/Library/BaseLib/x64/ReadMm0.asm
new file mode 100644
index 0000000000..1239bcacd6
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm0.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm0.Asm
+;
+; Abstract:
+;
+; AsmReadMm0 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm0 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm0 PROC
+ DB 48h, 0fh, 7eh, 0c0h
+ ret
+AsmReadMm0 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm1.asm b/MdePkg/Library/BaseLib/x64/ReadMm1.asm
new file mode 100644
index 0000000000..b42bd7f63f
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm1.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm1.Asm
+;
+; Abstract:
+;
+; AsmReadMm1 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm1 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm1 PROC
+ DB 48h, 0fh, 7eh, 0c8h
+ ret
+AsmReadMm1 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm2.asm b/MdePkg/Library/BaseLib/x64/ReadMm2.asm
new file mode 100644
index 0000000000..b10782e403
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm2.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm2.Asm
+;
+; Abstract:
+;
+; AsmReadMm2 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm2 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm2 PROC
+ DB 48h, 0fh, 7eh, 0d0h
+ ret
+AsmReadMm2 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm3.asm b/MdePkg/Library/BaseLib/x64/ReadMm3.asm
new file mode 100644
index 0000000000..15a96475bd
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm3.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm3.Asm
+;
+; Abstract:
+;
+; AsmReadMm3 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm3 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm3 PROC
+ DB 48h, 0fh, 7eh, 0d8h
+ ret
+AsmReadMm3 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm4.asm b/MdePkg/Library/BaseLib/x64/ReadMm4.asm
new file mode 100644
index 0000000000..73f528342e
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm4.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm4.Asm
+;
+; Abstract:
+;
+; AsmReadMm4 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm4 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm4 PROC
+ DB 48h, 0fh, 7eh, 0e0h
+ ret
+AsmReadMm4 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm5.asm b/MdePkg/Library/BaseLib/x64/ReadMm5.asm
new file mode 100644
index 0000000000..a487889480
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm5.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm5.Asm
+;
+; Abstract:
+;
+; AsmReadMm5 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm5 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm5 PROC
+ DB 48h, 0fh, 7eh, 0e8h
+ ret
+AsmReadMm5 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm6.asm b/MdePkg/Library/BaseLib/x64/ReadMm6.asm
new file mode 100644
index 0000000000..56f81bf7b1
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm6.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm6.Asm
+;
+; Abstract:
+;
+; AsmReadMm6 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm6 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm6 PROC
+ DB 48h, 0fh, 7eh, 0f0h
+ ret
+AsmReadMm6 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMm7.asm b/MdePkg/Library/BaseLib/x64/ReadMm7.asm
new file mode 100644
index 0000000000..e3ad6bb658
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMm7.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMm7.Asm
+;
+; Abstract:
+;
+; AsmReadMm7 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmReadMm7 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadMm7 PROC
+ DB 48h, 0fh, 7eh, 0f8h
+ ret
+AsmReadMm7 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMsr32.asm b/MdePkg/Library/BaseLib/x64/ReadMsr32.asm
new file mode 100644
index 0000000000..271eabbeae
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMsr32.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMsr32.Asm
+;
+; Abstract:
+;
+; AsmReadMsr32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT32
+; EFIAPI
+; AsmReadMsr32 (
+; IN UINT32 Index
+; );
+;------------------------------------------------------------------------------
+AsmReadMsr32 PROC
+ rdmsr
+ ret
+AsmReadMsr32 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadMsr64.asm b/MdePkg/Library/BaseLib/x64/ReadMsr64.asm
new file mode 100644
index 0000000000..4444c18676
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadMsr64.asm
@@ -0,0 +1,40 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadMsr64.Asm
+;
+; Abstract:
+;
+; AsmReadMsr64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmReadMsr64 (
+; IN UINT32 Index
+; );
+;------------------------------------------------------------------------------
+AsmReadMsr64 PROC
+ rdmsr
+ shl rax, 20h
+ shrd rax, rdx, 20h
+ ret
+AsmReadMsr64 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadPmc.asm b/MdePkg/Library/BaseLib/x64/ReadPmc.asm
new file mode 100644
index 0000000000..b5004d6f34
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadPmc.asm
@@ -0,0 +1,43 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadPmc.Asm
+;
+; Abstract:
+;
+; AsmReadPmc function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmReadPmc (
+; IN UINT32 PmcIndex
+; );
+;------------------------------------------------------------------------------
+AsmReadPmc PROC
+ rdpmc
+ shl ecx, 1
+ jnc @F
+ shl rax, 20h
+ shrd rax, rdx, 20h
+@@:
+ ret
+AsmReadPmc ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadSs.asm b/MdePkg/Library/BaseLib/x64/ReadSs.asm
new file mode 100644
index 0000000000..4aa480d71b
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadSs.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadSs.Asm
+;
+; Abstract:
+;
+; AsmReadSs function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadSs (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadSs PROC
+ mov ax, ss
+ ret
+AsmReadSs ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadTr.asm b/MdePkg/Library/BaseLib/x64/ReadTr.asm
new file mode 100644
index 0000000000..7cf8cdfd43
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadTr.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadTr.Asm
+;
+; Abstract:
+;
+; AsmReadTr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT16
+; EFIAPI
+; AsmReadTr (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadTr PROC
+ str eax
+ ret
+AsmReadTr ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/ReadTsc.asm b/MdePkg/Library/BaseLib/x64/ReadTsc.asm
new file mode 100644
index 0000000000..25fa2cc5d8
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/ReadTsc.asm
@@ -0,0 +1,40 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ReadTsc.Asm
+;
+; Abstract:
+;
+; AsmReadTsc function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmReadTsc (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmReadTsc PROC
+ rdtsc
+ shl rax, 20h
+ shrd rax, rdx, 20h
+ ret
+AsmReadTsc ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/SetJump.asm b/MdePkg/Library/BaseLib/x64/SetJump.asm
new file mode 100644
index 0000000000..305e721b8b
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/SetJump.asm
@@ -0,0 +1,40 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SetJump.Asm
+;
+; Abstract:
+;
+; Implementation of SetJump() on x64.
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+SetJump PROC
+ pop rdx
+ mov [rcx], rbx
+ mov [rcx + 8], rsp
+ mov [rcx + 10h], rbp
+ mov [rcx + 18h], rdi
+ mov [rcx + 20h], rsi
+ mov [rcx + 28h], r12
+ mov [rcx + 30h], r13
+ mov [rcx + 38h], r14
+ mov [rcx + 40h], r15
+ mov [rcx + 48h], rdx
+ xor rax, rax
+ jmp rdx
+SetJump ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/SwitchStack.asm b/MdePkg/Library/BaseLib/x64/SwitchStack.asm
new file mode 100644
index 0000000000..0dfddc011b
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/SwitchStack.asm
@@ -0,0 +1,47 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SwitchStack.Asm
+;
+; Abstract:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; Routine Description:
+;
+; Routine for switching stacks with 1 parameter
+;
+; Arguments:
+;
+; (rcx) EntryPoint - Entry point with new stack.
+; (rdx) Context - Parameter for entry point.
+; (r8) Context2 - Parameter2 for entry point.
+; (r9) NewStack - Pointer to new stack.
+;
+; Returns:
+;
+; None
+;
+;------------------------------------------------------------------------------
+SwitchStack PROC
+ mov rax, rcx
+ mov rcx, rdx
+ mov rdx, r8
+ lea rsp, [r9 - 20h]
+ call rax
+SwitchStack ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/Thunk16.asm b/MdePkg/Library/BaseLib/x64/Thunk16.asm
new file mode 100644
index 0000000000..f3e80840b3
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/Thunk16.asm
@@ -0,0 +1,189 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; Thunk.asm
+;
+; Abstract:
+;
+; Real mode thunk
+;
+;------------------------------------------------------------------------------
+
+ .data
+
+NullSegSel DQ 0
+_16CsSegSel LABEL QWORD
+ DW -1
+ DW 0
+ DB 0
+ DB 9bh
+ DB 8fh ; 16-bit segment
+ DB 0
+_16BitDsSel LABEL QWORD
+ DW -1
+ DW 0
+ DB 0
+ DB 93h
+ DB 8fh ; 16-bit segment
+ DB 0
+GdtEnd LABEL QWORD
+
+ .const
+
+_16Gdtr LABEL FWORD
+ DW offset GdtEnd - offset NullSegSel - 1
+ DQ offset NullSegSel
+
+_16Idtr FWORD (1 SHL 10) - 1
+
+ .code
+
+IA32_REGS STRUC 4t
+_EDI DD ?
+_ESI DD ?
+_EBP DD ?
+_ESP DD ?
+_EBX DD ?
+_EDX DD ?
+_ECX DD ?
+_EAX DD ?
+_DS DW ?
+_ES DW ?
+_FS DW ?
+_GS DW ?
+_RFLAGS DQ ?
+_EIP DD ?
+_CS DW ?
+_SS DW ?
+IA32_REGS ENDS
+
+InternalAsmThunk16 PROC USES rbp rbx rsi rdi r12 r13 r14 r15
+ mov eax, ds
+ push rax
+ mov eax, es
+ push rax
+ push fs
+ push gs
+ mov rsi, rcx ; rsi <- RegSet
+ push sizeof (IA32_REGS)
+ pop rcx
+ movzx r8, (IA32_REGS ptr [rsi])._SS
+ xor rdi, rdi
+ mov edi, (IA32_REGS ptr [rsi])._ESP
+ sub rdi, rcx ; reserve space on realmode stack
+ push rdi ; save stack offset
+ imul rax, r8, 16
+ add rdi, rax ; rdi <- linear address of 16-bit stack
+ rep movsb ; copy RegSet
+ mov rsi, r8 ; si <- 16-bit stack segment
+ pop rbx ; rbx <- 16-bit stack offset
+ mov rdi, rdx ; rdi <- realmode patch
+ lea eax, @BackToThunk ; rax <- address to back from real mode
+ push rax ; use in a far return
+ mov eax, cs
+ mov [rsp + 4], eax ; save CS
+ lea eax, @16Return ; thus @Return must < 4GB
+ stosd ; set ret address offset
+ xor eax, eax
+ stosw ; set ret CS base to 0
+ mov eax, esp
+ stosd ; rsp must < 4GB
+ mov eax, ss
+ stosd
+ mov rax, cr0
+ mov ecx, eax ; ecx <- CR0
+ and ecx, 7ffffffeh ; clear PE, PG bits
+ stosd
+ mov rax, cr4
+ mov ebp, eax
+ and ebp, 300h ; clear all but PCE and OSFXSR bits
+ stosd
+ sidt fword ptr [rsp + 70h] ; use parameter space to save IDTR
+ sgdt fword ptr [rdi]
+ lea edi, _16Idtr
+ lea eax, @16Start ; rax <- seg:offset of @16Start
+ push rax
+ mov dword ptr [rsp + 4], 8
+ push 10h
+ pop rax ; rax <- 10h as dataseg selector
+ lgdt _16Gdtr
+ retf
+@16Start: ; 16-bit starts here
+ mov ss, eax ; set SS to be a 16-bit segment
+ mov cr0, rcx ; disable protected mode
+ mov cr4, rbp
+ DB 66h
+ mov ecx, 0c0000080h
+ rdmsr
+ and ah, NOT 1 ; clear LME
+ wrmsr
+ mov ss, esi ; set up 16-bit stack
+ mov sp, bx ; mov esp, ebx actually
+ lidt fword ptr [edi]
+ DB 66h, 61h ; popad
+ DB 1fh ; pop ds
+ DB 7 ; pop es
+ pop fs
+ pop gs
+ add sp, 8 ; skip _RFLAGS
+ DB 66h
+ retf ; transfer control to 16-bit code
+@16Return:
+ DB 66h
+ push 0 ; high order 32 bits of rflags
+ pushf ; pushfd actually
+ push gs
+ push fs
+ DB 6 ; push es
+ DB 1eh ; push ds
+ DB 66h, 60h ; pushad
+ DB 67h, 66h, 0c5h, 74h, 24h, 30h ; lds esi, [esp + 12*4]
+ DB 66h
+ mov eax, [esi + 12]
+ mov cr4, rax ; restore CR4
+ DB 66h
+ lgdt fword ptr [esi + 16]
+ DB 66h
+ mov ecx, 0c0000080h
+ rdmsr
+ or ah, 1 ; set LME
+ wrmsr
+ DB 66h
+ mov eax, [esi + 8]
+ mov cr0, rax ; restore CR0
+ xor ax, ax ; xor eax, eax actually
+ mov eax, ss
+ mov dword ptr (IA32_REGS ptr [esp])._SS, eax
+ shl ax, 4 ; shl eax, 4 actually
+ add ax, sp ; add eax, esp actually
+ add sp, sizeof (IA32_REGS) ; add esp, sizeof (IA32_REGS)
+ DB 66h
+ mov dword ptr (IA32_REGS ptr [esp - sizeof (IA32_REGS)])._ESP, esp
+ DB 66h
+ lss esp, fword ptr [esi] ; restore protected mode stack
+ DB 66h
+ retf ; go back to protected mode
+@BackToThunk:
+ lidt fword ptr [rsp + 68h] ; restore protected mode IDTR
+ shl rax, 32
+ shr rax, 32 ; clear high order 32 bits of RAX
+ pop gs
+ pop fs
+ pop rcx
+ mov es, ecx
+ pop rcx
+ mov ds, ecx
+ ret
+InternalAsmThunk16 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/Wbinvd.asm b/MdePkg/Library/BaseLib/x64/Wbinvd.asm
new file mode 100644
index 0000000000..ca0cb252b3
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/Wbinvd.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; Wbinvd.Asm
+;
+; Abstract:
+;
+; AsmWbinvd function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; AsmWbinvd (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWbinvd PROC
+ wbinvd
+ ret
+AsmWbinvd ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteCr0.asm b/MdePkg/Library/BaseLib/x64/WriteCr0.asm
new file mode 100644
index 0000000000..defc7e7c96
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteCr0.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteCr0.Asm
+;
+; Abstract:
+;
+; AsmWriteCr0 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteCr0 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteCr0 PROC
+ mov cr0, rcx
+ ret
+AsmWriteCr0 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteCr2.asm b/MdePkg/Library/BaseLib/x64/WriteCr2.asm
new file mode 100644
index 0000000000..ebe6f89d62
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteCr2.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteCr2.Asm
+;
+; Abstract:
+;
+; AsmWriteCr2 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteCr2 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteCr2 PROC
+ mov cr2, rcx
+ ret
+AsmWriteCr2 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteCr3.asm b/MdePkg/Library/BaseLib/x64/WriteCr3.asm
new file mode 100644
index 0000000000..5715dea9b7
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteCr3.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteCr3.Asm
+;
+; Abstract:
+;
+; AsmWriteCr3 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteCr3 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteCr3 PROC
+ mov cr3, rcx
+ ret
+AsmWriteCr3 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteCr4.asm b/MdePkg/Library/BaseLib/x64/WriteCr4.asm
new file mode 100644
index 0000000000..210744e16f
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteCr4.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteCr4.Asm
+;
+; Abstract:
+;
+; AsmWriteCr4 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteCr4 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteCr4 PROC
+ mov cr4, rcx
+ ret
+AsmWriteCr4 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr0.asm b/MdePkg/Library/BaseLib/x64/WriteDr0.asm
new file mode 100644
index 0000000000..2515a20404
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr0.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr0.Asm
+;
+; Abstract:
+;
+; AsmWriteDr0 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr0 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr0 PROC
+ mov dr0, rcx
+ ret
+AsmWriteDr0 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr1.asm b/MdePkg/Library/BaseLib/x64/WriteDr1.asm
new file mode 100644
index 0000000000..89f36ac3f9
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr1.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr1.Asm
+;
+; Abstract:
+;
+; AsmWriteDr1 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr1 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr1 PROC
+ mov dr1, rcx
+ ret
+AsmWriteDr1 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr2.asm b/MdePkg/Library/BaseLib/x64/WriteDr2.asm
new file mode 100644
index 0000000000..820977c2e4
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr2.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr2.Asm
+;
+; Abstract:
+;
+; AsmWriteDr2 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr2 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr2 PROC
+ mov dr2, rcx
+ ret
+AsmWriteDr2 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr3.asm b/MdePkg/Library/BaseLib/x64/WriteDr3.asm
new file mode 100644
index 0000000000..51c1407277
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr3.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr3.Asm
+;
+; Abstract:
+;
+; AsmWriteDr3 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr3 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr3 PROC
+ mov dr3, rcx
+ ret
+AsmWriteDr3 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr4.asm b/MdePkg/Library/BaseLib/x64/WriteDr4.asm
new file mode 100644
index 0000000000..12b643825b
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr4.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr4.Asm
+;
+; Abstract:
+;
+; AsmWriteDr4 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr4 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr4 PROC
+ DB 0fh, 23h, 0e1h
+ ret
+AsmWriteDr4 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr5.asm b/MdePkg/Library/BaseLib/x64/WriteDr5.asm
new file mode 100644
index 0000000000..6d454d5267
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr5.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr5.Asm
+;
+; Abstract:
+;
+; AsmWriteDr5 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr5 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr5 PROC
+ DB 0fh, 23h, 0e9h
+ ret
+AsmWriteDr5 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr6.asm b/MdePkg/Library/BaseLib/x64/WriteDr6.asm
new file mode 100644
index 0000000000..b7b9f2509d
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr6.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr6.Asm
+;
+; Abstract:
+;
+; AsmWriteDr6 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr6 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr6 PROC
+ mov dr6, rcx
+ ret
+AsmWriteDr6 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteDr7.asm b/MdePkg/Library/BaseLib/x64/WriteDr7.asm
new file mode 100644
index 0000000000..de2237b6e4
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteDr7.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteDr7.Asm
+;
+; Abstract:
+;
+; AsmWriteDr7 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteDr7 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteDr7 PROC
+ mov dr7, rcx
+ ret
+AsmWriteDr7 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteGdtr.asm b/MdePkg/Library/BaseLib/x64/WriteGdtr.asm
new file mode 100644
index 0000000000..1757e3dea4
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteGdtr.asm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteGdtr.Asm
+;
+; Abstract:
+;
+; AsmWriteGdtr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalX86WriteGdtr PROC
+ lgdt fword ptr [rcx]
+ ret
+InternalX86WriteGdtr ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteIdtr.asm b/MdePkg/Library/BaseLib/x64/WriteIdtr.asm
new file mode 100644
index 0000000000..09fcb9e457
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteIdtr.asm
@@ -0,0 +1,31 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteIdtr.Asm
+;
+; Abstract:
+;
+; AsmWriteIdtr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+InternalX86WriteIdtr PROC
+ lidt fword ptr [rcx]
+ ret
+InternalX86WriteIdtr ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteLdtr.asm b/MdePkg/Library/BaseLib/x64/WriteLdtr.asm
new file mode 100644
index 0000000000..d85ae38f29
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteLdtr.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteLdtr.Asm
+;
+; Abstract:
+;
+; AsmWriteLdtr function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; AsmWriteLdtr (
+; IN UINT16 Ldtr
+; );
+;------------------------------------------------------------------------------
+AsmWriteLdtr PROC
+ lldt cx
+ ret
+AsmWriteLdtr ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm0.asm b/MdePkg/Library/BaseLib/x64/WriteMm0.asm
new file mode 100644
index 0000000000..bb9a576125
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm0.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm0.Asm
+;
+; Abstract:
+;
+; AsmWriteMm0 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm0 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm0 PROC
+ DB 48h, 0fh, 6eh, 0c1h
+ ret
+AsmWriteMm0 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm1.asm b/MdePkg/Library/BaseLib/x64/WriteMm1.asm
new file mode 100644
index 0000000000..1bab3bcd8e
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm1.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm1.Asm
+;
+; Abstract:
+;
+; AsmWriteMm1 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm1 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm1 PROC
+ DB 48h, 0fh, 6eh, 0c9h
+ ret
+AsmWriteMm1 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm2.asm b/MdePkg/Library/BaseLib/x64/WriteMm2.asm
new file mode 100644
index 0000000000..97e8a6a676
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm2.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm2.Asm
+;
+; Abstract:
+;
+; AsmWriteMm2 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm2 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm2 PROC
+ DB 48h, 0fh, 6eh, 0d1h
+ ret
+AsmWriteMm2 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm3.asm b/MdePkg/Library/BaseLib/x64/WriteMm3.asm
new file mode 100644
index 0000000000..d55e19a406
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm3.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm3.Asm
+;
+; Abstract:
+;
+; AsmWriteMm3 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm3 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm3 PROC
+ DB 48h, 0fh, 6eh, 0d9h
+ ret
+AsmWriteMm3 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm4.asm b/MdePkg/Library/BaseLib/x64/WriteMm4.asm
new file mode 100644
index 0000000000..2a69b93bcc
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm4.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm4.Asm
+;
+; Abstract:
+;
+; AsmWriteMm4 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm4 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm4 PROC
+ DB 48h, 0fh, 6eh, 0e1h
+ ret
+AsmWriteMm4 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm5.asm b/MdePkg/Library/BaseLib/x64/WriteMm5.asm
new file mode 100644
index 0000000000..c4d798bcbd
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm5.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm5.Asm
+;
+; Abstract:
+;
+; AsmWriteMm5 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm5 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm5 PROC
+ DB 48h, 0fh, 6eh, 0e9h
+ ret
+AsmWriteMm5 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm6.asm b/MdePkg/Library/BaseLib/x64/WriteMm6.asm
new file mode 100644
index 0000000000..c0164f66da
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm6.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm6.Asm
+;
+; Abstract:
+;
+; AsmWriteMm6 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm6 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm6 PROC
+ DB 48h, 0fh, 6eh, 0f1h
+ ret
+AsmWriteMm6 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMm7.asm b/MdePkg/Library/BaseLib/x64/WriteMm7.asm
new file mode 100644
index 0000000000..20768e2b78
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMm7.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMm7.Asm
+;
+; Abstract:
+;
+; AsmWriteMm7 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINTN
+; EFIAPI
+; AsmWriteMm7 (
+; VOID
+; );
+;------------------------------------------------------------------------------
+AsmWriteMm7 PROC
+ DB 48h, 0fh, 6eh, 0f9h
+ ret
+AsmWriteMm7 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMsr32.asm b/MdePkg/Library/BaseLib/x64/WriteMsr32.asm
new file mode 100644
index 0000000000..0a74403624
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMsr32.asm
@@ -0,0 +1,41 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMsr32.Asm
+;
+; Abstract:
+;
+; AsmWriteMsr32 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT32
+; EFIAPI
+; AsmWriteMsr32 (
+; IN UINT32 Index,
+; IN UINT32 Value
+; );
+;------------------------------------------------------------------------------
+AsmWriteMsr32 PROC
+ mov eax, edx
+ xor edx, edx
+ wrmsr
+ ret
+AsmWriteMsr32 ENDP
+
+ END
diff --git a/MdePkg/Library/BaseLib/x64/WriteMsr64.asm b/MdePkg/Library/BaseLib/x64/WriteMsr64.asm
new file mode 100644
index 0000000000..3337f45891
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x64/WriteMsr64.asm
@@ -0,0 +1,43 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; WriteMsr64.Asm
+;
+; Abstract:
+;
+; AsmWriteMsr64 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; UINT64
+; EFIAPI
+; AsmWriteMsr64 (
+; IN UINT32 Index,
+; IN UINT64 Value
+; );
+;------------------------------------------------------------------------------
+AsmWriteMsr64 PROC
+ push rdx
+ mov eax, edx
+ shr rdx, 20h
+ wrmsr
+ pop rax
+ ret
+AsmWriteMsr64 ENDP
+
+ END