blob: 401d271391746b4e01116d9f93522c097ec9b60e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
* blantantly copied from linux/kernel/printk.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
*/
#include <stdarg.h>
#include <console/loglevel.h>
/* printk's without a loglevel use this.. */
#define DEFAULT_MESSAGE_LOGLEVEL 4 /* BIOS_WARNING */
/* Keep together for sysctl support */
int console_loglevel = DEFAULT_CONSOLE_LOGLEVEL;
extern int vtxprintf(void (*)(unsigned char), const char *, va_list);
extern void uart8250_tx_byte(unsigned, unsigned char);
void console_tx_byte(unsigned char byte)
{
if (byte == '\n')
uart8250_tx_byte(TTYS0_BASE, '\r');
uart8250_tx_byte(TTYS0_BASE, byte);
}
int do_printk(int msg_level, const char *fmt, ...)
{
va_list args;
int i;
if (msg_level >= console_loglevel) {
return 0;
}
va_start(args, fmt);
i = vtxprintf(console_tx_byte, fmt, args);
va_end(args);
return i;
}
|