/*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, unlawful or unlicensed copies of an Apple operating
- * system, or to circumvent, violate, or enable the circumvention or
- * violation of, any terms of an Apple operating system software license
- * agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1987, 1988 NeXT, Inc.
#include <sys/tty.h>
#include <sys/proc.h>
#include <sys/uio.h>
-#include <dev/ppc/cons.h>
-
-struct tty cons;
-struct tty *constty; /* current console device */
+#include <machine/cons.h>
-/*ARGSUSED*/
-int
-consopen(dev, flag, devtype, pp)
- dev_t dev;
- int flag, devtype;
- struct proc *pp;
-{
- dev_t device;
- boolean_t funnel_state;
- int error;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
+struct tty *constty; /* current console device */
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
- error = (*cdevsw[major(device)].d_open)(device, flag, devtype, pp);
- thread_funnel_set(kernel_flock, funnel_state);
+/*
+ * The km driver supplied the default console device for the systems
+ * (usually a raw frame buffer driver, but potentially a serial driver).
+ */
+extern struct tty *km_tty[1];
- return(error);
+static dev_t
+cndev(void)
+{
+ if (constty)
+ return constty->t_dev;
+ else
+ return km_tty[0]->t_dev;
}
/*ARGSUSED*/
int
-consclose(dev, flag, mode, pp)
- dev_t dev;
- int flag, mode;
- struct proc *pp;
+consopen(__unused dev_t dev, int flag, int devtype, struct proc *pp)
{
- dev_t device;
- boolean_t funnel_state;
- int error;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
- error = (*cdevsw[major(device)].d_close)(device, flag, mode, pp);
- thread_funnel_set(kernel_flock, funnel_state);
-
- return(error);
-
-
+ dev = cndev();
+ return ((*cdevsw[major(dev)].d_open)(dev, flag, devtype, pp));
}
+
/*ARGSUSED*/
int
-consread(dev, uio, ioflag)
- dev_t dev;
- struct uio *uio;
- int ioflag;
+consclose(__unused dev_t dev, int flag, int mode, struct proc *pp)
{
- dev_t device;
- boolean_t funnel_state;
- int error;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
- error = (*cdevsw[major(device)].d_read)(device, uio, ioflag);
- thread_funnel_set(kernel_flock, funnel_state);
-
- return(error);
+ dev = cndev();
+ return ((*cdevsw[major(dev)].d_close)(dev, flag, mode, pp));
}
+
/*ARGSUSED*/
int
-conswrite(dev, uio, ioflag)
- dev_t dev;
- struct uio *uio;
- int ioflag;
+consread(__unused dev_t dev, struct uio *uio, int ioflag)
{
- dev_t device;
- boolean_t funnel_state;
- int error;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
- error = (*cdevsw[major(device)].d_write)(device, uio, ioflag);
- thread_funnel_set(kernel_flock, funnel_state);
-
- return(error);
+ dev = cndev();
+ return ((*cdevsw[major(dev)].d_read)(dev, uio, ioflag));
}
+
/*ARGSUSED*/
int
-consioctl(dev, cmd, addr, flag, p)
- dev_t dev;
- int cmd;
- caddr_t addr;
- int flag;
- struct proc *p;
+conswrite(__unused dev_t dev, struct uio *uio, int ioflag)
{
- dev_t device;
- boolean_t funnel_state;
- int error;
+ dev = cndev();
+ return ((*cdevsw[major(dev)].d_write)(dev, uio, ioflag));
+}
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
+/*ARGSUSED*/
+int
+consioctl(__unused dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
+{
+ dev = cndev();
+#if 0
/*
* Superuser can always use this to wrest control of console
* output from the "virtual" console.
+ *
+ * XXX Unfortunately, this code doesn't do what the author thougt
+ * XXX it did; use of the console device, a TIOCCONS would always
+ * XXX disassociate the console from a virtual terminal and send
+ * XXX it back to the fake tty.
*/
- if (cmd == TIOCCONS && constty) {
- error = proc_suser(p);
- if (error) {
- goto out;
+ if ((unsigned) cmd == TIOCCONS && constty) {
+ int error = proc_suser(p);
+ if (!error) {
+ constty = NULL;
}
- constty = NULL;
- error = 0;
- goto out;
+ return(error);
}
- error = (*cdevsw[major(device)].d_ioctl)(device, cmd, addr, flag, p);
-out:
- thread_funnel_set(kernel_flock, funnel_state);
+#endif /* 0 */
- return(error);
+ return ((*cdevsw[major(dev)].d_ioctl)(dev, cmd, addr, flag, p));
}
-/*ARGSUSED*/
-/* called with funnel held */
-int
-consselect(dev, flag, wql, p)
- dev_t dev;
- int flag;
- void *wql;
- struct proc *p;
-{
- dev_t device;
-
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
- return ((*cdevsw[major(device)].d_select)(device, flag, wql, p));
-}
-
-int
-cons_getc()
-{
- dev_t device;
- boolean_t funnel_state;
- int error;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
- error = (*cdevsw[major(device)].d_getc)(device);
- thread_funnel_set(kernel_flock, funnel_state);
-
- return(error);
-}
/*ARGSUSED*/
+/* called with funnel held */
int
-cons_putc(c)
- char c;
+consselect(__unused dev_t dev, int flag, void *wql, struct proc *p)
{
- dev_t device;
- boolean_t funnel_state;
- int error;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
- if (constty)
- device = constty->t_dev;
- else
- device = cons.t_dev;
- error = (*cdevsw[major(device)].d_putc)(device, c);
- thread_funnel_set(kernel_flock, funnel_state);
-
- return(error);
+ dev = cndev();
+ return ((*cdevsw[major(dev)].d_select)(dev, flag, wql, p));
}
-
-/*
- * Write message to console; create an alert panel if no text-type window
- * currently exists. Caller must call alert_done() when finished.
- * The height and width arguments are not used; they are provided for
- * compatibility with the 68k version of alert().
- */
-int
-alert(
- int width,
- int height,
- const char *title,
- const char *msg,
- int p1,
- int p2,
- int p3,
- int p4,
- int p5,
- int p6,
- int p7,
- int p8)
-{
- char smsg[200];
-
- sprintf(smsg, msg, p1, p2, p3, p4, p5, p6, p7, p8);
-#if FIXME /* [ */
- /* DoAlert(title, smsg); */
-#else
- printf("%s\n",smsg);
-#endif /* FIXME ] */
-
- return 0;
-}
-
-int
-alert_done()
-{
- /* DoRestore(); */
- return 0;
-}
-
projects / apple / xnu.git / blobdiff