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/*
* blantantly copied from linux/kernel/printk.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
*/
#include <stdarg.h>
#include <smp/spinlock.h>
#include <console/vtxprintf.h>
#include <console/console.h>
/* printk's without a loglevel use this.. */
#define DEFAULT_MESSAGE_LOGLEVEL 4 /* BIOS_WARNING */
/* We show everything that is MORE important than this.. */
#define MINIMUM_CONSOLE_LOGLEVEL 1 /* Minimum loglevel we let people use */
/* Keep together for sysctl support */
int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
int default_message_loglevel = DEFAULT_MESSAGE_LOGLEVEL;
int minimum_console_loglevel = MINIMUM_CONSOLE_LOGLEVEL;
int default_console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
static spinlock_t console_lock = SPIN_LOCK_UNLOCKED;
int do_printk(int msg_level, const char *fmt, ...)
{
va_list args;
int i;
if (msg_level > console_loglevel) {
return 0;
}
spin_lock(&console_lock);
va_start(args, fmt);
i = vtxprintf(console_tx_byte, fmt, args);
va_end(args);
console_tx_flush();
spin_unlock(&console_lock);
return i;
}
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