coreboot-kgpe-d16/src/include/console/vtxprintf.h

37 lines
1.2 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 coresystems GmbH
*
* This program 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; version 2 of the License.
*
* This program 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.
*/
#ifndef __CONSOLE_VTXPRINTF_H
#define __CONSOLE_VTXPRINTF_H
/* With GCC we use -nostdinc -ffreestanding to keep out system includes.
* Unfortunately this also gets us rid of the _compiler_ includes, like
* stdarg.h. To work around the issue, we define varargs directly here.
* On LLVM we can still just include stdarg.h.
*/
#ifdef __GNUC__
#define va_start(v, l) __builtin_va_start(v, l)
#define va_end(v) __builtin_va_end(v)
#define va_arg(v, l) __builtin_va_arg(v, l)
typedef __builtin_va_list va_list;
#else
#include <stdarg.h>
#endif
int vtxprintf(void (*tx_byte)(unsigned char byte, void *data),
const char *fmt, va_list args, void *data);
#endif