patch-2.3.43 linux/arch/ia64/hp/hpsim_console.c

• Lines: 79
• Date: Sun Feb 6 18:42:40 2000
• Orig file: v2.3.42/linux/arch/ia64/hp/hpsim_console.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.42/linux/arch/ia64/hp/hpsim_console.c linux/arch/ia64/hp/hpsim_console.c
@@ -0,0 +1,78 @@
+/*
+ * Platform dependent support for HP simulator.
+ *
+ * Copyright (C) 1998, 1999 Hewlett-Packard Co
+ * Copyright (C) 1998, 1999 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/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 "hpsim_ssc.h"
+
+static int simcons_init (struct console *, char *);
+static void simcons_write (struct console *, const char *, unsigned);
+static int simcons_wait_key (struct console *);
+static kdev_t simcons_console_device (struct console *);
+
+struct console hpsim_cons = {
+	"simcons",
+	simcons_write,		/* write */
+	NULL,			/* read */
+	simcons_console_device,	/* device */
+	simcons_wait_key,	/* wait_key */
+	NULL,			/* unblank */
+	simcons_init,		/* setup */
+	CON_PRINTBUFFER,	/* flags */
+	-1,			/* index */
+	0,			/* cflag */
+	NULL			/* next */
+};
+
+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 int
+simcons_wait_key (struct console *cons)
+{
+	char ch;
+
+	do {
+		ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR);
+	} while (ch == '\0');
+	return ch;
+}
+
+static kdev_t
+simcons_console_device (struct console *c)
+{
+	return MKDEV(TTY_MAJOR, 64 + c->index);
+}