Joshua Wise's Git repositories - netwatch.git/blame_incremental

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Commit	Line	Data
	1	/* output.c
	2	* Console output routines
	3	* NetWatch multiboot loader
	4	*
	5	* Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved.
	6	* This program is free software; you can redistribute and/or modify it under
	7	* the terms found in the file LICENSE in the root of this source tree.
	8	*
	9	*/
	10
	11
	12	#include <stdarg.h>
	13	#include <minilib.h>
	14	#include <console.h>
	15	#include <output.h>
	16	#include <smram.h>
	17
	18	#define OUTBLEN 160
	19
	20	static void safeputs(const char *s)
	21	{
	22	smram_state_t old = smram_save_state();
	23	smram_aseg_set_state(SMRAM_ASEG_SMMONLY);
	24	puts(s);
	25	smram_restore_state(old);
	26	}
	27	void (output)(const char s) = safeputs;
	28
	29	static void miniprintf(const char *fmt, ...)
	30	{
	31	va_list va;
	32	char b[OUTBLEN+1];
	33
	34	va_start(va, fmt);
	35	vsnprintf(b, OUTBLEN, fmt, va);
	36	va_end(va);
	37
	38	output(b);
	39	putbyte('\n');
	40	}
	41
	42	void (outputf)(const char s, ...) = miniprintf;