re-order console output functions, add proper prototypes,

drop claim that our files were blatantly copied, because they have been
rewritten a very long time ago.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4837 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/console/Makefile.inc

@@ -4,7 +4,6 @@ obj-y += vtxprintf.o
 obj-y += vsprintf.o
 
 initobj-y += vtxprintf.o
-initobj-y += vsprintf.o
 
 driver-$(CONFIG_CONSOLE_SERIAL8250) += uart8250_console.o
 driver-$(CONFIG_USBDEBUG_DIRECT) += usbdebug_direct_console.o

src/console/printk.c

@@ -7,6 +7,7 @@
 
 #include <stdarg.h>
 #include <smp/spinlock.h>
+#include <console/vtxprintf.h>
 #include <console/console.h>
 
 /* printk's without a loglevel use this.. */
@@ -22,9 +23,6 @@ int default_message_loglevel = DEFAULT_MESSAGE_LOGLEVEL;
 int minimum_console_loglevel = MINIMUM_CONSOLE_LOGLEVEL;
 int default_console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
 
-void display(char*);
-extern int vtxprintf(void (*)(unsigned char), const char *, va_list);
-
 static spinlock_t console_lock = SPIN_LOCK_UNLOCKED;
 
 int do_printk(int msg_level, const char *fmt, ...)

src/console/vsprintf.c

@@ -1,45 +1,61 @@
 /*
- *  linux/lib/vsprintf.c
+ * This file is part of the coreboot project.
+ * 
+ * Copyright (C) 2009 coresystems GmbH
  *
- *  Copyright (C) 1991, 1992  Linus Torvalds
+ * 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
  */
 
-/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
-/*
- * Wirzenius wrote this portably, Torvalds fucked it up :-)
- */
 #include <stdarg.h>
-#include <string.h>
+#include <smp/spinlock.h>
+#include <console/vtxprintf.h>
 
-int vtxprintf(void (*tx_byte)(unsigned char byte), const char *fmt, va_list args);
+static spinlock_t vsprintf_lock = SPIN_LOCK_UNLOCKED;
 
-int vsprintf(char * buf, const char *fmt, va_list args)
+static char *str_buf;
+
+static void str_tx_byte(unsigned char byte)
 {
-	char *str_buf;
-
-	/* this function is only used by vsprintf.
-	   To keep str_buf local (for reentrancy
-	   and to avoid .bss use, nest it */
-	void str_tx_byte(unsigned char byte)
-	{
-		*str_buf = byte;
-		str_buf++;
-	}
+	*str_buf = byte;
+	str_buf++;
+}
 
+static int vsprintf(char *buf, const char *fmt, va_list args)
+{
 	int i;
+
+	spin_lock(&vsprintf_lock);
+
 	str_buf = buf;
 	i = vtxprintf(str_tx_byte, fmt, args);
 	*str_buf = '\0';
+
+	spin_unlock(&vsprintf_lock);
+
 	return i;
 }
 
-int sprintf(char * buf, const char *fmt, ...)
+int sprintf(char *buf, const char *fmt, ...)
 {
 	va_list args;
 	int i;
 
 	va_start(args, fmt);
-	i=vsprintf(buf,fmt,args);
+	i = vsprintf(buf, fmt, args);
 	va_end(args);
+
 	return i;
 }

src/console/vtxprintf.c

@@ -7,50 +7,13 @@
 #include <stdarg.h>
 #include <string.h>
 #include <div64.h>
+#include <console/vtxprintf.h>
 
 /* haha, don't need ctype.c */
 #define isdigit(c)	((c) >= '0' && (c) <= '9')
 #define is_digit isdigit
 #define isxdigit(c)	(((c) >= '0' && (c) <= '9') || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
 
-#if 0
-/* We are using number() instead. So this code is obsoleted and should
- * probably go away.
- */
-
-static unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
-{
-	unsigned long result = 0,value;
-
-	if (!base) {
-		base = 10;
-		if (*cp == '0') {
-			base = 8;
-			cp++;
-			if ((*cp == 'x') && isxdigit(cp[1])) {
-				cp++;
-				base = 16;
-			}
-		}
-	}
-	while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
-	    ? toupper(*cp) : *cp)-'A'+10) < base) {
-		result = result*base + value;
-		cp++;
-	}
-	if (endp)
-		*endp = (char *)cp;
-	return result;
-}
-
-static long simple_strtol(const char *cp,char **endp,unsigned int base)
-{
-	if(*cp=='-')
-		return -simple_strtoul(cp+1,endp,base);
-	return simple_strtoul(cp,endp,base);
-}
-#endif
-
 static int skip_atoi(const char **s)
 {
 	int i=0;