-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
yaml --- r: 176007 b: refs/heads/master c: bc7ecbc h: refs/heads/master i: 176005: 864b79c 176003: 471c35e 175999: de46114 v: v3
- Loading branch information
Russell King
committed
Dec 13, 2009
1 parent
3cc505e
commit 7c5ca3c
Showing
6 changed files
with
69 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
--- | ||
refs/heads/master: 285eae0a4ba0f467341476fd4c6981e5cdafc6be | ||
refs/heads/master: bc7ecbcbc2c0ff235382077b55de7896775afc16 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,57 @@ | ||
/* | ||
* linux/arch/arm/kernel/early_printk.c | ||
* | ||
* Copyright (C) 2009 Sascha Hauer <s.hauer@pengutronix.de> | ||
* | ||
* This program is free software; you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License version 2 as | ||
* published by the Free Software Foundation. | ||
*/ | ||
|
||
#include <linux/kernel.h> | ||
#include <linux/console.h> | ||
#include <linux/init.h> | ||
|
||
extern void printch(int); | ||
|
||
static void early_write(const char *s, unsigned n) | ||
{ | ||
while (n-- > 0) { | ||
if (*s == '\n') | ||
printch('\r'); | ||
printch(*s); | ||
s++; | ||
} | ||
} | ||
|
||
static void early_console_write(struct console *con, const char *s, unsigned n) | ||
{ | ||
early_write(s, n); | ||
} | ||
|
||
static struct console early_console = { | ||
.name = "earlycon", | ||
.write = early_console_write, | ||
.flags = CON_PRINTBUFFER | CON_BOOT, | ||
.index = -1, | ||
}; | ||
|
||
asmlinkage void early_printk(const char *fmt, ...) | ||
{ | ||
char buf[512]; | ||
int n; | ||
va_list ap; | ||
|
||
va_start(ap, fmt); | ||
n = vscnprintf(buf, sizeof(buf), fmt, ap); | ||
early_write(buf, n); | ||
va_end(ap); | ||
} | ||
|
||
static int __init setup_early_printk(char *buf) | ||
{ | ||
register_console(&early_console); | ||
return 0; | ||
} | ||
|
||
early_param("earlyprintk", setup_early_printk); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters