From e0337bfab8f1d3affab9e0313121d6015f0d996c Mon Sep 17 00:00:00 2001 From: vprabhal Date: Fri, 5 Oct 2007 18:47:03 +0000 Subject: 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/Ia32/CpuFlushTlb.S | 35 ++++++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.asm | 40 ++++++++++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.c | 31 +++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuPause.S | 34 +++++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuPause.asm | 40 ++++++++++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuPause.c | 30 ++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuSleep.S | 34 +++++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuSleep.asm | 39 +++++++++++++++++++++++++++++ MdePkg/Library/CpuLib/Ia32/CpuSleep.c | 30 ++++++++++++++++++++++ 9 files changed, 313 insertions(+) create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.S create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.asm create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.c create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuPause.S create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuPause.asm create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuPause.c create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuSleep.S create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuSleep.asm create mode 100644 MdePkg/Library/CpuLib/Ia32/CpuSleep.c (limited to 'MdePkg/Library/CpuLib/Ia32') diff --git a/MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.S b/MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.S new file mode 100644 index 0000000000..f8b1cdc7ee --- /dev/null +++ b/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 diff --git a/MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.asm b/MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.asm new file mode 100644 index 0000000000..4f0c4f9944 --- /dev/null +++ b/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 diff --git a/MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.c b/MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.c new file mode 100644 index 0000000000..e785095d7a --- /dev/null +++ b/MdePkg/Library/CpuLib/Ia32/CpuFlushTlb.c @@ -0,0 +1,31 @@ +/** @file + CpuFlushTlb function. + + Copyright (c) 2006 - 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. + +**/ + +// +// Include common header file for this module. +// + + +VOID +EFIAPI +CpuFlushTlb ( + VOID + ) +{ + _asm { + mov eax, cr3 + mov cr3, eax + } +} + diff --git a/MdePkg/Library/CpuLib/Ia32/CpuPause.S b/MdePkg/Library/CpuLib/Ia32/CpuPause.S new file mode 100644 index 0000000000..5fef9c8d5c --- /dev/null +++ b/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 diff --git a/MdePkg/Library/CpuLib/Ia32/CpuPause.asm b/MdePkg/Library/CpuLib/Ia32/CpuPause.asm new file mode 100644 index 0000000000..4c7135fc9c --- /dev/null +++ b/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 diff --git a/MdePkg/Library/CpuLib/Ia32/CpuPause.c b/MdePkg/Library/CpuLib/Ia32/CpuPause.c new file mode 100644 index 0000000000..ee7c96736b --- /dev/null +++ b/MdePkg/Library/CpuLib/Ia32/CpuPause.c @@ -0,0 +1,30 @@ +/** @file + CpuPause function. + + Copyright (c) 2006 - 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. + +**/ + +// +// Include common header file for this module. +// + + +VOID +EFIAPI +CpuPause ( + VOID + ) +{ + _asm { + pause + } +} + diff --git a/MdePkg/Library/CpuLib/Ia32/CpuSleep.S b/MdePkg/Library/CpuLib/Ia32/CpuSleep.S new file mode 100644 index 0000000000..ac39e8fcba --- /dev/null +++ b/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 diff --git a/MdePkg/Library/CpuLib/Ia32/CpuSleep.asm b/MdePkg/Library/CpuLib/Ia32/CpuSleep.asm new file mode 100644 index 0000000000..8a779f7017 --- /dev/null +++ b/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 diff --git a/MdePkg/Library/CpuLib/Ia32/CpuSleep.c b/MdePkg/Library/CpuLib/Ia32/CpuSleep.c new file mode 100644 index 0000000000..690f9b3598 --- /dev/null +++ b/MdePkg/Library/CpuLib/Ia32/CpuSleep.c @@ -0,0 +1,30 @@ +/** @file + CpuSleep function. + + Copyright (c) 2006 - 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. + +**/ + +// +// Include common header file for this module. +// + + +VOID +EFIAPI +CpuSleep ( + VOID + ) +{ + _asm { + hlt + } +} + -- cgit v1.2.3