From 8ca8d7665d671e10d72b8fcb4d69121d75f7906e Mon Sep 17 00:00:00 2001 From: Eric Biederman Date: Tue, 22 Apr 2003 19:02:15 +0000 Subject: - Initial checkin of the freebios2 tree git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/console/printk.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/console/printk.c (limited to 'src/console/printk.c') diff --git a/src/console/printk.c b/src/console/printk.c new file mode 100644 index 0000000000..67b0d4e19b --- /dev/null +++ b/src/console/printk.c @@ -0,0 +1,56 @@ +/* + * blantantly copied from linux/kernel/printk.c + * + * Copyright (C) 1991, 1992 Linus Torvalds + * + */ + +#ifndef lint +static char rcsid[] = "$Id$"; +#endif + +//typedef void * va_list; + +#include +#include +#include + +/* printk's without a loglevel use this.. */ +#define DEFAULT_MESSAGE_LOGLEVEL 4 /* BIOS_WARNING */ + +/* We show everything that is MORE important than this.. */ +#define MINIMUM_CONSOLE_LOGLEVEL 1 /* Minimum loglevel we let people use */ + +/* Keep together for sysctl support */ + +int console_loglevel = DEFAULT_CONSOLE_LOGLEVEL; +int default_message_loglevel = DEFAULT_MESSAGE_LOGLEVEL; +int minimum_console_loglevel = MINIMUM_CONSOLE_LOGLEVEL; +int default_console_loglevel = DEFAULT_CONSOLE_LOGLEVEL; + +void display(char*); +extern int vtxprintf(void (*)(unsigned char), const char *, va_list); + +spinlock_t console_lock = SPIN_LOCK_UNLOCKED; + +int do_printk(int msg_level, const char *fmt, ...) +{ + va_list args; + int i; + + if (msg_level >= console_loglevel) { + return 0; + } + + spin_lock(&console_lock); + + va_start(args, fmt); + i = vtxprintf(console_tx_byte, fmt, args); + va_end(args); + + console_tx_flush(); + + spin_unlock(&console_lock); + + return i; +} -- cgit v1.2.3