coreboot-kgpe-d16/src/console/printk.c
Stefan Reinauer 7ce8c54e2b 1201_ht_bus0_dev0_fidvid_core.diff
https://openbios.org/roundup/linuxbios/issue41
Lord have mercy upon us.




git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2118 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2005-12-02 21:52:30 +00:00

50 lines
1.1 KiB
C

/*
* blantantly copied from linux/kernel/printk.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
*/
#include <stdarg.h>
#include <smp/spinlock.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 = DEFAULT_CONSOLE_LOGLEVEL;
int default_message_loglevel = DEFAULT_MESSAGE_LOGLEVEL;
int minimum_console_loglevel = MINIMUM_CONSOLE_LOGLEVEL;
int default_console_loglevel = DEFAULT_CONSOLE_LOGLEVEL;
void display(char*);
extern int vtxprintf(void (*)(unsigned char), const char *, va_list);
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;
}