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author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-08-18 21:24:08 +0000 |
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committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-08-18 21:24:08 +0000 |
commit | 990e25aa3597f1f48ec5920b03a276b94c5db8ec (patch) | |
tree | 38af25be40a50bfbfed9a78dd35d292c70589c37 /MdePkg/Library/BaseCpuLib/Ia32 | |
parent | 64698eb8415e6829b956a12c3883655acc02f5a7 (diff) | |
download | edk2-platforms-990e25aa3597f1f48ec5920b03a276b94c5db8ec.tar.xz |
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
Diffstat (limited to 'MdePkg/Library/BaseCpuLib/Ia32')
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c | 36 | ||||
-rw-r--r-- | MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c | 33 |
2 files changed, 69 insertions, 0 deletions
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<BR> + Portions copyright (c) 2008-2009 Apple Inc.<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 + ) +{ + __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<BR> + Portions copyright (c) 2008-2009 Apple Inc.<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. + +**/ + + +/** + 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"); +} + |