2 * blantantly copied from linux/kernel/printk.c
4 * Copyright (C) 1991, 1992 Linus Torvalds
9 #include <smp/spinlock.h>
10 #include <console/console.h>
12 /* printk's without a loglevel use this.. */
13 #define DEFAULT_MESSAGE_LOGLEVEL 4 /* BIOS_WARNING */
15 /* We show everything that is MORE important than this.. */
16 #define MINIMUM_CONSOLE_LOGLEVEL 1 /* Minimum loglevel we let people use */
18 /* Keep together for sysctl support */
20 int console_loglevel = DEFAULT_CONSOLE_LOGLEVEL;
21 int default_message_loglevel = DEFAULT_MESSAGE_LOGLEVEL;
22 int minimum_console_loglevel = MINIMUM_CONSOLE_LOGLEVEL;
23 int default_console_loglevel = DEFAULT_CONSOLE_LOGLEVEL;
26 extern int vtxprintf(void (*)(unsigned char), const char *, va_list);
28 static spinlock_t console_lock = SPIN_LOCK_UNLOCKED;
30 int do_printk(int msg_level, const char *fmt, ...)
35 if (msg_level >= console_loglevel) {
39 spin_lock(&console_lock);
42 i = vtxprintf(console_tx_byte, fmt, args);
47 spin_unlock(&console_lock);