created a CpuLib for CpuSleep and CpuFlushTlb from BaseLib to remove circular dependency on PalCallLib.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4020 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/CpuLib/CpuLib.inf

@@ -0,0 +1,68 @@
+#/** @file
+# Component description file for Base Library
+#
+# Base Library implementation.
+# Copyright (c) 2007, 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.
+#
+#
+#**/
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = CpuLib
+  FILE_GUID                      = 4FBD2538-249C-4b50-8F4A-A9E66609CBF6
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = CpuLib 
+  EDK_RELEASE_VERSION            = 0x00020000
+  EFI_SPECIFICATION_VERSION      = 0x00020000
+
+
+
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+
+[Sources.Ia32]
+  Ia32/CpuSleep.c | MSFT 
+  Ia32/CpuFlushTlb.c | MSFT 
+
+  Ia32/CpuSleep.asm | INTEL 
+  Ia32/CpuFlushTlb.asm | INTEL 
+
+  Ia32/CpuSleep.S | GCC 
+  Ia32/CpuFlushTlb.S | GCC 
+
+[Sources.X64]
+  X64/CpuFlushTlb.asm
+  X64/CpuSleep.asm
+
+  X64/CpuSleep.S | GCC 
+  X64/CpuFlushTlb.S | GCC 
+
+[Sources.IPF]
+  Ipf/CpuFlushTlb.s
+  Ipf/CpuSleep.c
+
+[Sources.EBC]
+  Ebc/CpuSleepFlushTlb.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+
+[LibraryClasses.Ipf]
+PalCallLib
+
+
+[Pcd.common]
+

MdePkg/Library/CpuLib/Ebc/CpuSleepFlushTlb.c

@@ -0,0 +1,45 @@
+/** @file
+  Base Library CPU Functions for EBC
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  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.
+
+**/
+
+
+/**
+  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
+  )
+{
+  ASSERT (FALSE);
+}
+
+/**
+  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
+  )
+{
+}

MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.S

@@ -0,0 +1,35 @@
+#------------------------------------------------------------------------------ ;
+# 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:
+#
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(CpuFlushTlb)
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# CpuFlushTlb (
+#   VOID
+#   );
+#------------------------------------------------------------------------------
+ASM_PFX(CpuFlushTlb):
+    movl    %cr3, %eax
+    movl    %eax, %cr3
+    ret

MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.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:
+;
+;   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

MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.c

@@ -0,0 +1,31 @@
+/** @file
+  CpuFlushTlb function.
+
+  Copyright (c) 2006 - 2007, Intel Corporation<BR>
+  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.
+
+**/
+
+//
+// Include common header file for this module.
+//
+
+
+VOID
+EFIAPI
+CpuFlushTlb (
+  VOID
+  )
+{
+  _asm {
+    mov     eax, cr3
+    mov     cr3, eax
+  }
+}
+

MdePkg/Library/CpuLib/Ia32/CpuPause.S

@@ -0,0 +1,34 @@
+#------------------------------------------------------------------------------ ;
+# 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:
+#
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(CpuPause)
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# CpuPause (
+#   VOID
+#   );
+#------------------------------------------------------------------------------
+ASM_PFX(CpuPause):
+    pause
+    ret

MdePkg/Library/CpuLib/Ia32/CpuPause.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:
+;
+;   CpuPause.Asm
+;
+; Abstract:
+;
+;   CpuPause function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .686
+    .model  flat,C
+    .xmm
+    .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuPause (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+CpuPause    PROC
+    pause
+    ret
+CpuPause    ENDP
+
+    END

MdePkg/Library/CpuLib/Ia32/CpuPause.c

@@ -0,0 +1,30 @@
+/** @file
+  CpuPause function.
+
+  Copyright (c) 2006 - 2007, Intel Corporation<BR>
+  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.
+
+**/
+
+//
+// Include common header file for this module.
+//
+
+
+VOID
+EFIAPI
+CpuPause (
+  VOID
+  )
+{
+  _asm {
+    pause
+  }
+}
+

MdePkg/Library/CpuLib/Ia32/CpuSleep.S

@@ -0,0 +1,34 @@
+#------------------------------------------------------------------------------ ;
+# 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:
+#
+#------------------------------------------------------------------------------
+
+.globl ASM_PFX(CpuSleep)
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# CpuSleep (
+#   VOID
+#   );
+#------------------------------------------------------------------------------
+ASM_PFX(CpuSleep):
+    hlt
+    ret

MdePkg/Library/CpuLib/Ia32/CpuSleep.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:
+;
+;   CpuSleep.Asm
+;
+; Abstract:
+;
+;   CpuSleep function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    .386
+    .model  flat,C
+    .code
+
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; CpuSleep (
+;   VOID
+;   );
+;------------------------------------------------------------------------------
+CpuSleep    PROC
+    hlt
+    ret
+CpuSleep    ENDP
+
+    END

MdePkg/Library/CpuLib/Ia32/CpuSleep.c

@@ -0,0 +1,30 @@
+/** @file
+  CpuSleep function.
+
+  Copyright (c) 2006 - 2007, Intel Corporation<BR>
+  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.
+
+**/
+
+//
+// Include common header file for this module.
+//
+
+
+VOID
+EFIAPI
+CpuSleep (
+  VOID
+  )
+{
+  _asm {
+    hlt
+  }
+}
+

MdePkg/Library/CpuLib/Ipf/CpuFlushTlb.s

@@ -0,0 +1,58 @@
+/// @file
+///   CpuFlushTlb() function for Itanium-based architecture.
+///
+/// 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.s
+///
+///
+
+.auto
+.text
+
+.globl PalCall
+.type   PalCall, @function
+
+.proc   CpuFlushTlb
+.type   CpuFlushTlb, @function
+CpuFlushTlb::
+        alloc               loc0 = ar.pfs, 0, 3, 5, 0
+        mov                 out0 = 0
+        mov                 out1 = 6
+        mov                 out2 = 0
+        mov                 out3 = 0
+        mov                 loc1 = b0
+        mov                 out4 = 0
+        brl.call.sptk       b0  = PalCall
+        mov                 loc2 = psr              // save PSR
+        mov                 ar.pfs = loc0
+        extr.u              r14 = r10, 32, 32       // r14 <- count1
+        rsm                 1 << 14                 // Disable interrupts
+        extr.u              r15 = r11, 32, 32       // r15 <- stride1
+        extr.u              r10 = r10, 0, 32        // r10 <- count2
+        add                 r10 = -1, r10
+        extr.u              r11 = r11, 0, 32        // r11 <- stride2
+        br.cond.sptk        LoopPredicate
+LoopOuter:
+        mov                 ar.lc = r10             // LC <- count2
+        mov                 ar.ec = r0              // EC <- 0
+Loop:
+        ptc.e               r9
+        add                 r9 = r11, r9            // r9 += stride2
+        br.ctop.sptk        Loop
+        add                 r9 = r15, r9            // r9 += stride1
+LoopPredicate:
+        cmp.ne              p6 = r0, r14            // count1 == 0?
+        add                 r14 = -1, r14
+(p6)    br.cond.sptk        LoopOuter
+        mov                 psr.l = loc2
+        mov                 b0  = loc1
+        br.ret.sptk.many    b0
+.endp

MdePkg/Library/CpuLib/Ipf/CpuPause.s

@@ -0,0 +1,25 @@
+/// @file
+///   CpuPause() function for Itanium-based architecture.
+///
+/// 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.s
+///
+///
+
+.auto
+.text
+
+.proc   CpuPause
+.type   CpuPause, @function
+CpuPause::
+        hint                @pause
+        br.ret.sptk.many    b0
+.endp

MdePkg/Library/CpuLib/Ipf/CpuSleep.c

@@ -0,0 +1,32 @@
+/** @file
+  Base Library CPU functions for Itanium
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  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.
+
+**/
+
+#include <Library/PalCallLib.h>
+
+/**
+  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
+  )
+{
+  PalCall (29, 0, 0, 0);
+}

MdePkg/Library/CpuLib/X64/CpuFlushTlb.S

@@ -0,0 +1,35 @@
+#------------------------------------------------------------------------------ 
+# 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:
+#
+#------------------------------------------------------------------------------
+
+.global _CpuFlushTlb
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# CpuFlushTlb (
+#   VOID
+#   );
+#------------------------------------------------------------------------------
+_CpuFlushTlb:
+    mov     %cr3, %rax
+    mov     %rax, %cr3
+    ret

MdePkg/Library/CpuLib/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

MdePkg/Library/CpuLib/X64/CpuPause.S

@@ -0,0 +1,34 @@
+#------------------------------------------------------------------------------ ;
+# 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.S
+#
+# Abstract:
+#
+#   CpuPause function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# CpuPause (
+#   VOID
+#   );
+#------------------------------------------------------------------------------
+.global _CpuPause;
+_CpuPause:
+    pause
+    ret

MdePkg/Library/CpuLib/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

MdePkg/Library/CpuLib/X64/CpuSleep.S

@@ -0,0 +1,34 @@
+#------------------------------------------------------------------------------ ;
+# 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.S
+#
+# Abstract:
+#
+#   CpuSleep function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# CpuSleep (
+#   VOID
+#   );
+#------------------------------------------------------------------------------
+.global _CpuSleep;
+_CpuSleep:
+    hlt
+    ret

MdePkg/Library/CpuLib/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