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Diffstat (limited to 'arch/v850/kernel/simcons.c')
-rw-r--r--arch/v850/kernel/simcons.c161
1 files changed, 0 insertions, 161 deletions
diff --git a/arch/v850/kernel/simcons.c b/arch/v850/kernel/simcons.c
deleted file mode 100644
index 9973596ae30..00000000000
--- a/arch/v850/kernel/simcons.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * arch/v850/kernel/simcons.c -- Console I/O for GDB v850e simulator
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/console.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/tty_driver.h>
-#include <linux/init.h>
-
-#include <asm/poll.h>
-#include <asm/string.h>
-#include <asm/simsyscall.h>
-
-
-/* Low-level console. */
-
-static void simcons_write (struct console *co, const char *buf, unsigned len)
-{
- V850_SIM_SYSCALL (write, 1, buf, len);
-}
-
-static int simcons_read (struct console *co, char *buf, unsigned len)
-{
- return V850_SIM_SYSCALL (read, 0, buf, len);
-}
-
-static struct tty_driver *tty_driver;
-static struct tty_driver *simcons_device (struct console *c, int *index)
-{
- *index = c->index;
- return tty_driver;
-}
-
-static struct console simcons =
-{
- .name = "simcons",
- .write = simcons_write,
- .read = simcons_read,
- .device = simcons_device,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-/* Higher level TTY interface. */
-
-int simcons_tty_open (struct tty_struct *tty, struct file *filp)
-{
- return 0;
-}
-
-int simcons_tty_write (struct tty_struct *tty,
- const unsigned char *buf, int count)
-{
- return V850_SIM_SYSCALL (write, 1, buf, count);
-}
-
-int simcons_tty_write_room (struct tty_struct *tty)
-{
- /* Completely arbitrary. */
- return 0x100000;
-}
-
-int simcons_tty_chars_in_buffer (struct tty_struct *tty)
-{
- /* We have no buffer. */
- return 0;
-}
-
-static const struct tty_operations ops = {
- .open = simcons_tty_open,
- .write = simcons_tty_write,
- .write_room = simcons_tty_write_room,
- .chars_in_buffer = simcons_tty_chars_in_buffer,
-};
-
-int __init simcons_tty_init (void)
-{
- struct tty_driver *driver = alloc_tty_driver(1);
- int err;
- if (!driver)
- return -ENOMEM;
- driver->name = "simcons";
- driver->major = TTY_MAJOR;
- driver->minor_start = 64;
- driver->type = TTY_DRIVER_TYPE_SYSCONS;
- driver->init_termios = tty_std_termios;
- tty_set_operations(driver, &ops);
- err = tty_register_driver(driver);
- if (err) {
- put_tty_driver(driver);
- return err;
- }
- tty_driver = driver;
- return 0;
-}
-/* We use `late_initcall' instead of just `__initcall' as a workaround for
- the fact that (1) simcons_tty_init can't be called before tty_init,
- (2) tty_init is called via `module_init', (3) if statically linked,
- module_init == device_init, and (4) there's no ordering of init lists.
- We can do this easily because simcons is always statically linked, but
- other tty drivers that depend on tty_init and which must use
- `module_init' to declare their init routines are likely to be broken. */
-late_initcall(simcons_tty_init);
-
-/* Poll for input on the console, and if there's any, deliver it to the
- tty driver. */
-void simcons_poll_tty (struct tty_struct *tty)
-{
- char buf[32]; /* Not the nicest way to do it but I need it correct first */
- int flip = 0, send_break = 0;
- struct pollfd pfd;
- pfd.fd = 0;
- pfd.events = POLLIN;
-
- if (V850_SIM_SYSCALL (poll, &pfd, 1, 0) > 0) {
- if (pfd.revents & POLLIN) {
- /* Real block hardware knows the transfer size before
- transfer so the new tty buffering doesn't try to handle
- this rather weird simulator specific case well */
- int rd = V850_SIM_SYSCALL (read, 0, buf, 32);
- if (rd > 0) {
- tty_insert_flip_string(tty, buf, rd);
- flip = 1;
- } else
- send_break = 1;
- } else if (pfd.revents & POLLERR)
- send_break = 1;
- }
-
- if (send_break) {
- tty_insert_flip_char (tty, 0, TTY_BREAK);
- flip = 1;
- }
-
- if (flip)
- tty_schedule_flip (tty);
-}
-
-void simcons_poll_ttys (void)
-{
- if (tty_driver && tty_driver->ttys[0])
- simcons_poll_tty (tty_driver->ttys[0]);
-}
-
-void simcons_setup (void)
-{
- V850_SIM_SYSCALL (make_raw, 0);
- register_console (&simcons);
- printk (KERN_INFO "Console: GDB V850E simulator stdio\n");
-}