6 files changed, 212 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.asm b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.asm
new file mode 100644
index 0000000000..271690d5d4
--- /dev/null
+++ b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.asm
@@ -0,0 +1,40 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; 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:
+;
+;------------------------------------------------------------------------------
+
+    .386p
+    .model  flat,C
+    .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuFlushTlb (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+CpuFlushTlb PROC
+    mov     eax, cr3
+    mov     cr3, eax                    ; moving to CR3 flushes TLB
+    ret
+CpuFlushTlb ENDP
+
+    END
diff --git a/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c
new file mode 100644
index 0000000000..a95153e1fa
--- /dev/null
+++ b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c
@@ -0,0 +1,34 @@
+/** @file
+  CpuFlushTlb function.
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  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.
+
+**/
+
+
+
+/**
+  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+**/
+VOID
+EFIAPI
+CpuFlushTlb (
+  VOID
+  )
+{
+  _asm {
+    mov     eax, cr3
+    mov     cr3, eax
+  }
+}
+
diff --git a/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
new file mode 100644
index 0000000000..a8ebc386b9
--- /dev/null
+++ b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
@@ -0,0 +1,32 @@
+/** @file
+  CpuFlushTlb function for Ia32/X64 GCC.
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+  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.
+
+**/
+
+#include <Library/BaseLib.h>
+
+/**
+  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
+
+**/
+VOID
+EFIAPI
+CpuFlushTlb (
+  VOID
+  )
+{
+  AsmWriteCr3 (AsmReadCr3 ());
+}
+
diff --git a/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleep.asm b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleep.asm
new file mode 100644
index 0000000000..5bfd7b2813
--- /dev/null
+++ b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleep.asm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------ ;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; 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:
+;
+;------------------------------------------------------------------------------
+
+    .386
+    .model  flat,C
+    .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuSleep (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+CpuSleep    PROC
+    hlt
+    ret
+CpuSleep    ENDP
+
+    END
diff --git a/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleep.c b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleep.c
new file mode 100644
index 0000000000..3caf5d33d2
--- /dev/null
+++ b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleep.c
@@ -0,0 +1,34 @@
+/** @file
+  CpuSleep function.
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  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.
+
+**/
+
+
+/**
+  Places the CPU in a sleep state until an interrupt is received.
+
+  Places the CPU in a sleep state until an interrupt is received. If interrupts
+  are disabled prior to calling this function, then the CPU will be placed in a
+  sleep state indefinitely.
+
+**/
+VOID
+EFIAPI
+CpuSleep (
+  VOID
+  )
+{
+  _asm {
+    hlt
+  }
+}
+
diff --git a/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c
new file mode 100644
index 0000000000..eb71fa0357
--- /dev/null
+++ b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c
@@ -0,0 +1,33 @@
+/** @file
+  CpuSleep function for Ia32/X64 GCC.
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+  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.
+
+**/
+
+
+/**
+  Places the CPU in a sleep state until an interrupt is received.
+
+  Places the CPU in a sleep state until an interrupt is received. If interrupts
+  are disabled prior to calling this function, then the CPU will be placed in a
+  sleep state indefinitely.
+
+**/
+VOID
+EFIAPI
+CpuSleep (
+  VOID
+  )
+{
+  __asm__ __volatile__ ("hlt"::: "memory");
+}
+