123 lines
2 KiB
C
123 lines
2 KiB
C
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/*++
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Copyright (c) 1999-2001 Microsoft Corporation. All Rights Reserved.
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Module Name:
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common.h
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Abstract:
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This module is the common internal header file for rt.
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Author:
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Joseph Ballantyne
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Environment:
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Kernel Mode
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Revision History:
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--*/
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#ifndef UNDER_NT
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#include <wdm.h>
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#else
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#include <ntddk.h>
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#endif
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#include <windef.h>
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// On Win9x we have a guard page on all realtime stacks.
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// NOTE: We need to implement the guard page feature on NT.
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#ifndef UNDER_NT
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#define GUARD_PAGE 1
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#endif
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// We make sure the processor can wake up every MS on even agressively
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// power managed machines by setting the system timer resolution to 1ms.
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#define WAKE_EVERY_MS 1
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// Make sure our debug code works properly on NT.
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#if defined(UNDER_NT) && DBG
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#define DEBUG 1
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#endif
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// Trap macro stops on debug builds, does nothing on retail.
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#ifdef DEBUG
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#define Trap() __asm int 3
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#else
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#define Trap()
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#endif
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// Break macro stops on both debug and retail.
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#define Break() __asm int 3
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// Debug output defines and macros.
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#ifdef DEBUG
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// This controls whether or not to use the NTKERN internal debug buffer
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// when doing debug printing.
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#define USE_NTKERN_DEBUG_BUFFER 0
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#if USE_NTKERN_DEBUG_BUFFER
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#define QDBG "'"
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#else
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#define QDBG ""
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#endif
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// Generate debug output in printf type format.
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#define dprintf( _x_ ) { DbgPrint(QDBG"RT: "); DbgPrint _x_ ; DbgPrint(QDBG"\r\n"); }
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#else // DEBUG
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#define dprintf(x)
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#endif // DEBUG
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// These control where code and data are located: in pageable or non pageable memory.
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// Much of the code and data in rt are in non pageable memory.
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// However, the total amount of both code and data in rt is small.
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#define INIT_CODE code_seg("INIT", "CODE")
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#define INIT_DATA data_seg("INIT", "DATA")
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#define LOCKED_CODE code_seg(".text", "CODE")
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#define LOCKED_DATA data_seg(".data", "DATA")
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#define PAGEABLE_CODE code_seg("PAGE", "CODE")
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#define PAGEABLE_DATA data_seg("PAGEDATA", "DATA")
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#pragma PAGEABLE_CODE
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#pragma PAGEABLE_DATA
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