/* * 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; }