mirror of https://github.com/acidanthera/audk.git
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/** @file
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Detection code for QEMU debug port.
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Non-SEC instance, caches the result of detection.
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Copyright (c) 2017, Red Hat, Inc.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Base.h>
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#include "DebugLibDetect.h"
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//
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// Set to TRUE if the debug I/O port is enabled
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//
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STATIC BOOLEAN mDebugIoPortFound = FALSE;
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/**
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This constructor function checks if the debug I/O port device is present,
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caching the result for later use.
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@retval RETURN_SUCCESS The constructor always returns RETURN_SUCCESS.
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**/
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RETURN_STATUS
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EFIAPI
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PlatformDebugLibIoPortConstructor (
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VOID
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)
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{
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mDebugIoPortFound = PlatformDebugLibIoPortDetect();
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return RETURN_SUCCESS;
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}
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/**
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Return the cached result of detecting the debug I/O port device.
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@retval TRUE if the debug I/O port device was detected.
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@retval FALSE otherwise
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**/
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BOOLEAN
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EFIAPI
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PlatformDebugLibIoPortFound (
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VOID
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)
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{
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return mDebugIoPortFound;
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}
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