118 lines
2.2 KiB
C
118 lines
2.2 KiB
C
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/******************************Module*Header*******************************\
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* Module Name: debug.c
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*
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* debug helpers routine
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*
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* Copyright (c) 1992-1996 Microsoft Corporation
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*
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\**************************************************************************/
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#include "precomp.h"
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////////////////////////////////////////////////////////////////////////////
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#if DBG
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LONG DebugLevel = 0;
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LONG gcFifo = 0; // Number of currently free FIFO entries
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/*****************************************************************************
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*
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* Routine Description:
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*
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* This function is variable-argument, level-sensitive debug print
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* routine.
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* If the specified debug level for the print statement is lower or equal
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* to the current debug level, the message will be printed.
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*
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* Arguments:
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*
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* DebugPrintLevel - Specifies at which debugging level the string should
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* be printed
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*
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* DebugMessage - Variable argument ascii c string
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*
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* Return Value:
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*
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* None.
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*
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***************************************************************************/
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VOID
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DebugPrint(
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LONG DebugPrintLevel,
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PCHAR DebugMessage,
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...
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)
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{
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va_list ap;
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va_start(ap, DebugMessage);
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if (DebugPrintLevel <= DebugLevel)
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{
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EngDebugPrint(STANDARD_DEBUG_PREFIX, DebugMessage, ap);
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EngDebugPrint("", "\n", ap);
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}
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va_end(ap);
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}
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////////////////////////////////////////////////////////////////////////////
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VOID vCheckFifoSpace(
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BYTE* pjBase,
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ULONG level)
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{
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gcFifo = level;
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CP_EIEIO();
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do {} while ((ULONG) CP_READ_REGISTER_BYTE(pjBase + HST_FIFOSTATUS) < level);
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}
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CHAR cGetFifoSpace(
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BYTE* pjBase)
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{
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CHAR c;
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CP_EIEIO();
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c = CP_READ_REGISTER_BYTE(pjBase + HST_FIFOSTATUS);
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gcFifo = c;
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return(c);
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}
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VOID vWriteDword(
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BYTE* pj,
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ULONG ul)
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{
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gcFifo--;
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if (gcFifo < 0)
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{
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gcFifo = 0;
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RIP("Incorrect FIFO wait count");
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}
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WRITE_REGISTER_ULONG(pj, ul);
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}
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VOID vWriteByte(
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BYTE* pj,
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BYTE j)
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{
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gcFifo--;
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if (gcFifo < 0)
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{
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gcFifo = 0;
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RIP("Incorrect FIFO wait count");
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}
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WRITE_REGISTER_UCHAR(pj, j);
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}
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#endif // DBG
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