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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stdarg.h>
#include <console/vtxprintf.h>
#include <console/loglevel.h>
#include <uart8250.h>
/* Using a global varible can cause problems when we reset the stack
* from cache as ram to ram. If we make this a define USE_SHARED_STACK
* we could use the same code on all architectures.
*/
#if 0
int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
#else
#define console_loglevel CONFIG_DEFAULT_CONSOLE_LOGLEVEL
#endif
void console_tx_byte(unsigned char byte)
{
if (byte == '\n')
uart8250_tx_byte(CONFIG_TTYS0_BASE, '\r');
uart8250_tx_byte(CONFIG_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;
}
|
