mirror of https://github.com/acidanthera/audk.git
97 lines
1.7 KiB
C
97 lines
1.7 KiB
C
/** @file
|
|
Base Library CPU functions for Itanium
|
|
|
|
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.
|
|
|
|
**/
|
|
|
|
|
|
#include "BaseLibInternals.h"
|
|
|
|
/**
|
|
Generates a breakpoint on the CPU.
|
|
|
|
Generates a breakpoint on the CPU. The breakpoint must be implemented such
|
|
that code can resume normal execution after the breakpoint.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
CpuBreakpoint (
|
|
VOID
|
|
)
|
|
{
|
|
__break (0);
|
|
}
|
|
|
|
/**
|
|
Used to serialize load and store operations.
|
|
|
|
All loads and stores that proceed calls to this function are guaranteed to be
|
|
globally visible when this function returns.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
MemoryFence (
|
|
VOID
|
|
)
|
|
{
|
|
__mfa ();
|
|
}
|
|
|
|
/**
|
|
Disables CPU interrupts.
|
|
|
|
Disables CPU interrupts.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DisableInterrupts (
|
|
VOID
|
|
)
|
|
{
|
|
_disable ();
|
|
}
|
|
|
|
/**
|
|
Enables CPU interrupts.
|
|
|
|
Enables CPU interrupts.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
EnableInterrupts (
|
|
VOID
|
|
)
|
|
{
|
|
_enable ();
|
|
}
|
|
|
|
/**
|
|
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 ();
|
|
}
|