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/*
* blantantly copied from linux/kernel/printk.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
* by yhlu moved from arch/ppc/lib/printk_init.c, removed the global variable console_loglevel
*/
#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 */
/* Using an global varible can cause problem when we reset the stack from cache as ram to ram*/
#if 0
int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
#else
#define console_loglevel ASM_CONSOLE_LOGLEVEL
#endif
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(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;
}
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