77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
/*
|
|
* Platform dependent support for HP simulator.
|
|
*
|
|
* Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
|
|
* David Mosberger-Tang <davidm@hpl.hp.com>
|
|
* Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/param.h>
|
|
#include <linux/string.h>
|
|
#include <linux/types.h>
|
|
#include <linux/tty.h>
|
|
#include <linux/kdev_t.h>
|
|
#include <linux/console.h>
|
|
|
|
#include <asm/delay.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/pal.h>
|
|
#include <asm/machvec.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/sal.h>
|
|
#include <asm/hpsim.h>
|
|
|
|
#include "hpsim_ssc.h"
|
|
|
|
static int simcons_init (struct console *, char *);
|
|
static void simcons_write (struct console *, const char *, unsigned);
|
|
static struct tty_driver *simcons_console_device (struct console *, int *);
|
|
|
|
static struct console hpsim_cons = {
|
|
.name = "simcons",
|
|
.write = simcons_write,
|
|
.device = simcons_console_device,
|
|
.setup = simcons_init,
|
|
.flags = CON_PRINTBUFFER,
|
|
.index = -1,
|
|
};
|
|
|
|
static int
|
|
simcons_init (struct console *cons, char *options)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
simcons_write (struct console *cons, const char *buf, unsigned count)
|
|
{
|
|
unsigned long ch;
|
|
|
|
while (count-- > 0) {
|
|
ch = *buf++;
|
|
ia64_ssc(ch, 0, 0, 0, SSC_PUTCHAR);
|
|
if (ch == '\n')
|
|
ia64_ssc('\r', 0, 0, 0, SSC_PUTCHAR);
|
|
}
|
|
}
|
|
|
|
static struct tty_driver *simcons_console_device (struct console *c, int *index)
|
|
{
|
|
*index = c->index;
|
|
return hp_simserial_driver;
|
|
}
|
|
|
|
int simcons_register(void)
|
|
{
|
|
if (!ia64_platform_is("hpsim"))
|
|
return 1;
|
|
|
|
if (hpsim_cons.flags & CON_ENABLED)
|
|
return 1;
|
|
|
|
register_console(&hpsim_cons);
|
|
return 0;
|
|
}
|