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authorRalf Baechle <ralf@linux-mips.org>2007-03-01 06:56:43 -0500
committerRalf Baechle <ralf@linux-mips.org>2007-03-04 14:02:37 -0500
commit36a885306fdf7bb557c773309c993bfb2d0d693c (patch)
tree643b246c90653c9451ff7fecff74a79c3de8042c /arch/mips/mips-boards/sim/sim_printf.c
parentca471c86043f4a8b01cba02ba2d3431fddcaf606 (diff)
[MIPS] Fix and cleanup the mess that a dozen prom_printf variants are.
early_printk is a so much saner thing. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mips-boards/sim/sim_printf.c')
-rw-r--r--arch/mips/mips-boards/sim/sim_printf.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/arch/mips/mips-boards/sim/sim_printf.c b/arch/mips/mips-boards/sim/sim_printf.c
deleted file mode 100644
index 3ee5a0b501a6..000000000000
--- a/arch/mips/mips-boards/sim/sim_printf.c
+++ /dev/null
@@ -1,74 +0,0 @@
1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Putting things on the screen/serial line using YAMONs facilities.
19 */
20#include <linux/init.h>
21#include <linux/kernel.h>
22#include <linux/serial_reg.h>
23#include <linux/spinlock.h>
24#include <asm/io.h>
25#include <asm/system.h>
26
27static inline unsigned int serial_in(int offset)
28{
29 return inb(0x3f8 + offset);
30}
31
32static inline void serial_out(int offset, int value)
33{
34 outb(value, 0x3f8 + offset);
35}
36
37int putPromChar(char c)
38{
39 while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0)
40 ;
41
42 serial_out(UART_TX, c);
43
44 return 1;
45}
46
47char getPromChar(void)
48{
49 while (!(serial_in(UART_LSR) & 1))
50 ;
51
52 return serial_in(UART_RX);
53}
54
55void prom_printf(char *fmt, ...)
56{
57 va_list args;
58 int l;
59 char *p, *buf_end;
60 char buf[1024];
61
62 va_start(args, fmt);
63 l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */
64 va_end(args);
65
66 buf_end = buf + l;
67
68 for (p = buf; p < buf_end; p++) {
69 /* Crude cr/nl handling is better than none */
70 if (*p == '\n')
71 putPromChar('\r');
72 putPromChar(*p);
73 }
74}