/* * blantantly copied from linux/kernel/printk.c * * Copyright (C) 1991, 1992 Linus Torvalds * */ #include #include /* 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; }