os-k/kaleid/kernel/ke/log.c

//----------------------------------------------------------------------------//
//                                OS on Kaleid                                //
//                                                                            //
//  Desc:       KernLog() and DebugLog()                                      //
//                                                                            //
//                                                                            //
//  Copyright © 2018-2021 The OS/K Team                                       //
//                                                                            //
//  This file is part of OS/K.                                                //
//                                                                            //
//  OS/K is free software: you can redistribute it and/or modify              //
//  it under the terms of the GNU General Public License as published by      //
//  the Free Software Foundation, either version 3 of the License, or         //
//  any later version.                                                        //
//                                                                            //
//  OS/K is distributed in the hope that it will be useful,                   //
//  but WITHOUT ANY WARRANTY//without even the implied warranty of            //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
//  GNU General Public License for more details.                              //
//                                                                            //
//  You should have received a copy of the GNU General Public License         //
//  along with OS/K.  If not, see <https://www.gnu.org/licenses/>.            //
//----------------------------------------------------------------------------//

#include <libbuf.h>
#include <kernel.h>
#include <ke/time.h>
#include <io/vga.h>

//
// Prints formatted string on standard output
//
error_t KernLog(const char *fmt, ...)
{
    error_t rc;
    va_list ap;

    va_start(ap, fmt);
    rc = BPrintOnBufV(BStdOut, fmt, ap);
    va_end(ap);

    return rc;
}

#ifndef NDEBUG
//
// Prints formatted string on debug output
//
void DebugLog(const char *fmt, ...)
{
    ulong ticks = KeGetTicks();
    va_list ap;

    va_start(ap, fmt);

    if (ticks) {
        BPrintOnBuf(BStdDbg, "[%C%8d%C]\t",
                    VGA_COLOR_LIGHT_BROWN,
                    ticks,
                    VGA_COLOR_LIGHT_GREY);
    } else {
        BPrintOnBuf(BStdDbg, "[%C%s%C]\t",
                    VGA_COLOR_GREEN,
                    "      ok",
                    VGA_COLOR_LIGHT_GREY);
    }

    BPrintOnBufV(BStdDbg, fmt, ap);
    va_end(ap);
}
#endif