From 990e25aa3597f1f48ec5920b03a276b94c5db8ec Mon Sep 17 00:00:00 2001 From: mdkinney Date: Tue, 18 Aug 2009 21:24:08 +0000 Subject: Add Add ARM support Add C inline assembly files for IA32 and X64 GCC builds. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9114 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c | 36 +++++++++++++++++++++++++ MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c | 33 +++++++++++++++++++++++ 2 files changed, 69 insertions(+) create mode 100644 MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c create mode 100644 MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c (limited to 'MdePkg/Library/BaseCpuLib/Ia32') diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c new file mode 100644 index 0000000000..1b27f79e45 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c @@ -0,0 +1,36 @@ +/** @file + CpuFlushTlb function for Ia32/X64 GCC. + + Copyright (c) 2006 - 2008, Intel Corporation
+ Portions copyright (c) 2008-2009 Apple Inc.
+ 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 + ) +{ + __asm__ __volatile__ ( + "movl %%cr3, %0\n\t" + "movl %0, %%cr3 " + : "r" // %0 + ); +} + diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c b/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c new file mode 100644 index 0000000000..a684059b59 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c @@ -0,0 +1,33 @@ +/** @file + CpuSleep function for Ia32/X64 GCC. + + Copyright (c) 2006 - 2008, Intel Corporation
+ Portions copyright (c) 2008-2009 Apple Inc.
+ 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. + +**/ + + +/** + 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"); +} + -- cgit v1.2.3