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b26f0cf9ee
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/** @file
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Base Debug library instance for QEMU debug port.
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It uses PrintLib to send debug messages to a fixed I/O port.
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Copyright (c) 2017, Red Hat, Inc.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __DEBUG_IO_PORT_DETECT_H__
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#define __DEBUG_IO_PORT_DETECT_H__
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#include <Base.h>
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//
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// The constant value that is read from the debug I/O port
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//
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#define BOCHS_DEBUG_PORT_MAGIC 0xE9
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/**
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Helper function to return whether the virtual machine has a debug I/O port.
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PlatformDebugLibIoPortFound can call this function directly or cache the
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result.
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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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PlatformDebugLibIoPortDetect (
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VOID
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);
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/**
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Return whether the virtual machine has a debug I/O port. DebugLib.c
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calls this function instead of PlatformDebugLibIoPortDetect, to allow
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caching if possible.
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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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#endif
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