61ac4fc70d
We are going to reuse PlatformDebugLibIoPort to use debug IO port from hypervisors that aren't QEMU, so reword "QEMU" to "hypervisor" in the descriptions. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Message-Id: <20200423095358.2518197-3-anthony.perard@citrix.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 hypervisor 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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