diff options
| author | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-05-15 11:14:20 +0000 |
|---|---|---|
| committer | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-05-15 11:14:20 +0000 |
| commit | 97d92bdaf05d9307d494444cead97c41272eca62 (patch) | |
| tree | cbe5aa3ff333bb976ccb1688e114779329b5694a /MdePkg/Library/BaseLib/Ebc | |
| parent | 7c28d0e095a592063410d2c5f7d8ff040cf89d10 (diff) | |
| download | edk2-platforms-97d92bdaf05d9307d494444cead97c41272eca62.tar.xz | |
Updated BaseLib for THUNK functions and some CPU functions
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@158 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ebc')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ebc/CpuBreakpoint.c | 64 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/Ebc/Synchronization.c | 57 |
2 files changed, 121 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ebc/CpuBreakpoint.c b/MdePkg/Library/BaseLib/Ebc/CpuBreakpoint.c index b0b262f367..352e1c7c1f 100644 --- a/MdePkg/Library/BaseLib/Ebc/CpuBreakpoint.c +++ b/MdePkg/Library/BaseLib/Ebc/CpuBreakpoint.c @@ -98,3 +98,67 @@ GetInterruptState ( ASSERT (FALSE);
return FALSE;
}
+
+/**
+ Enables CPU interrupts for the smallest window required to capture any
+ pending interrupts.
+
+ Enables CPU interrupts for the smallest window required to capture any
+ pending interrupts.
+
+**/
+VOID
+EFIAPI
+EnableDisableInterrupts (
+ VOID
+ )
+{
+ EnableInterrupts ();
+ DisableInterrupts ();
+}
+
+/**
+ Requests CPU to pause for a short period of time.
+
+ Requests CPU to pause for a short period of time. Typically used in MP
+ systems to prevent memory starvation while waiting for a spin lock.
+
+**/
+VOID
+EFIAPI
+CpuPause (
+ VOID
+ )
+{
+}
+
+/**
+ 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
+ )
+{
+}
diff --git a/MdePkg/Library/BaseLib/Ebc/Synchronization.c b/MdePkg/Library/BaseLib/Ebc/Synchronization.c new file mode 100644 index 0000000000..df591b287a --- /dev/null +++ b/MdePkg/Library/BaseLib/Ebc/Synchronization.c @@ -0,0 +1,57 @@ +/** @file
+ Implementation of synchronization functions on 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.
+
+ Module Name: Synchronization.c
+
+**/
+
+UINT32
+EFIAPI
+InternalSyncCompareExchange32 (
+ IN volatile UINT32 *Value,
+ IN UINT32 CompareValue,
+ IN UINT32 ExchangeValue
+ )
+{
+ return *Value != CompareValue ? *Value :
+ ((*Value = ExchangeValue), CompareValue);
+}
+
+UINT64
+EFIAPI
+InternalSyncCompareExchange64 (
+ IN volatile UINT64 *Value,
+ IN UINT64 CompareValue,
+ IN UINT64 ExchangeValue
+ )
+{
+ return *Value != CompareValue ? *Value :
+ ((*Value = ExchangeValue), CompareValue);
+}
+
+UINT32
+EFIAPI
+InternalSyncIncrement (
+ IN volatile UINT32 *Value
+ )
+{
+ return ++*Value;
+}
+
+UINT32
+EFIAPI
+InternalSyncDecrement (
+ IN volatile UINT32 *Value
+ )
+{
+ return --*Value;
+}
|