139 lines
2.2 KiB
C
139 lines
2.2 KiB
C
// TITLE("Debug Support Functions")
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//++
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//
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// Copyright (c) 1990 Microsoft Corporation
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// Copyright (c) 1993 Digital Equipment Corporation
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//
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// Module Name:
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//
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// fwprint.c
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//
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// Abstract:
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//
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// This module implements functions to support debugging NT.
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//
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// Author:
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//
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// Steven R. Wood (stevewo) 3-Aug-1989
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//
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// Environment:
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//
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// Any mode.
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//
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// Revision History:
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//
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// 18-Dec-1992 John DeRosa [DEC]
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//
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// Added Alpha_AXP/Jensen modifications.
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//--
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#include "fwp.h"
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#include <stdarg.h>
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#include "string.h"
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//
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// Define variable argument list parameters.
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//
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BOOLEAN DisplayOutput;
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BOOLEAN SerialOutput;
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BOOLEAN FwConsoleInitialized;
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//
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// Debug support, to let us direct printfs to the serial line.
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//
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#ifdef ALPHA_FW_SERDEB
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//
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// If this is TRUE, SerFwPrint will output to the serial line.
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// If this is FALSE, SerFwPrint will return without printing anything.
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// This lets me insert SerFwPrint into low-level functions, and enable
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// diagnostic output in a high-level caller.
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//
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BOOLEAN SerSnapshot;
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ULONG
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SerFwPrint (
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PCHAR Format,
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...
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)
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{
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va_list arglist;
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UCHAR Buffer[256];
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ULONG Count;
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ULONG Index;
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ULONG Length;
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if (SerSnapshot) {
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//
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// Format the output into a buffer and then print it.
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//
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va_start(arglist, Format);
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Length = vsprintf(Buffer, Format, arglist);
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for ( Index = 0 ; Index < Length ; Index++ ) {
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SerialBootWrite(Buffer[Index], COMPORT1_VIRTUAL_BASE);
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}
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va_end(arglist);
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}
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return 0;
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}
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#endif
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ULONG
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FwPrint (
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PCHAR Format,
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...
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)
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{
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va_list arglist;
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UCHAR Buffer[256];
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ULONG Count;
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ULONG Index;
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ULONG Length;
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//
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// Format the output into a buffer and then print it.
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//
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va_start(arglist, Format);
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Length = vsprintf(Buffer, Format, arglist);
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if (FwConsoleInitialized) {
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FwWrite( ARC_CONSOLE_OUTPUT, Buffer, Length, &Count);
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} else {
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if (SerialOutput) {
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for ( Index = 0 ; Index < Length ; Index++ ) {
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SerialBootWrite(Buffer[Index],COMPORT1_VIRTUAL_BASE);
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}
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}
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if (DisplayOutput) {
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DisplayWrite( ARC_CONSOLE_OUTPUT, Buffer, Length, &Count);
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}
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}
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va_end(arglist);
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return 0;
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}
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