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