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