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
This commit is contained in:
bxing
2006-05-15 11:14:20 +00:00
parent 7c28d0e095
commit 97d92bdaf0
9 changed files with 664 additions and 256 deletions

View File

@@ -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
)
{
}

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@@ -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;
}