Files
haiku-beta6/src/kernel/core/console.c
T
Axel Dörfler 568f1574d2 dev_init() and bus_init() are now both obsolete.
con_init() now takes care of the initialization of its currently built-in
console drivers itself.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10836 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-01-18 16:44:44 +00:00

93 lines
1.6 KiB
C

/*
* Copyright 2005, Axel Dörfler, [email protected]. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
/* This file contains the kprintf stuff and console init */
#include <OS.h>
#include <KernelExport.h>
#include <boot/kernel_args.h>
#include <console.h>
#include <stdarg.h>
#include <stdio.h>
#include <unistd.h>
// ToDo: this mechanism will be changed so that these lines can go away
#ifdef ARCH_x86
# include <arch/x86/console_dev.h>
#else
enum {
CONSOLE_OP_WRITEXY = 2376
};
#endif
#include <fb_console.h>
struct console_op_xy_struct {
int x;
int y;
char buf[256];
};
static int console_fd = -1;
void
kprintf(const char *fmt, ...)
{
int ret = 0;
va_list args;
char temp[256];
if (console_fd >= 0) {
va_start(args, fmt);
ret = vsprintf(temp,fmt,args);
va_end(args);
write_pos(console_fd, 0, temp, ret);
}
}
void
kprintf_xy(int x, int y, const char *fmt, ...)
{
int ret = 0;
va_list args;
struct console_op_xy_struct buf;
if (console_fd >= 0) {
va_start(args, fmt);
ret = vsprintf(buf.buf,fmt,args);
va_end(args);
buf.x = x;
buf.y = y;
ioctl(console_fd, CONSOLE_OP_WRITEXY, &buf, ret + sizeof(buf.x) + sizeof(buf.y));
}
}
int
con_init(kernel_args *args)
{
/* now run the oddballs we have, consoles at present */
// ToDo: this mechanism will be changed so that these lines can go away
#ifdef ARCH_x86
console_dev_init(args);
#endif
fb_console_dev_init(args);
console_fd = open("/dev/console", O_RDWR);
return console_fd >= 0;
}