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33 lines
546 B
C
33 lines
546 B
C
/** @file
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AsmReadDr0 function
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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/**
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Reads the current value of Debug Register 0 (DR0).
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Reads and returns the current value of DR0. This function is only available
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on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on
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x64.
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@return The value of Debug Register 0 (DR0).
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**/
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UINTN
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EFIAPI
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AsmReadDr0 (
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VOID
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)
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{
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__asm {
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mov eax, dr0
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}
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}
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