patch-2.4.4 linux/arch/mips/arc/arc_con.c

• Lines: 70
• Date: Fri Apr 13 20:26:07 2001
• Orig file: v2.4.3/linux/arch/mips/arc/arc_con.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.3/linux/arch/mips/arc/arc_con.c linux/arch/mips/arc/arc_con.c
@@ -0,0 +1,69 @@
+/*
+ * Wrap-around code for a console using the
+ * ARC io-routines.
+ *
+ * Copyright (c) 1998 Harald Koerfgen 
+ */
+
+#include <linux/tty.h>
+#include <linux/major.h>
+#include <linux/ptrace.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/fs.h>
+
+extern char prom_getchar (void);
+extern void prom_printf (char *, ...);
+
+static void prom_console_write(struct console *co, const char *s,
+			       unsigned count)
+{
+	unsigned i;
+
+	/*
+	 *    Now, do each character
+	 */
+	for (i = 0; i < count; i++) {
+		if (*s == 10)
+			prom_printf("%c", 13);
+		prom_printf("%c", *s++);
+	}
+}
+
+static int prom_console_wait_key(struct console *co)
+{
+	return prom_getchar();
+}
+
+static int __init prom_console_setup(struct console *co, char *options)
+{
+	return 0;
+}
+
+static kdev_t prom_console_device(struct console *c)
+{
+	return MKDEV(TTY_MAJOR, 64 + c->index);
+}
+
+static struct console arc_cons = {
+	"ttyS",
+	prom_console_write,
+	NULL,
+	prom_console_device,
+	prom_console_wait_key,
+	NULL,
+	prom_console_setup,
+	CON_PRINTBUFFER,
+	-1,
+	0,
+	NULL
+};
+
+/*
+ *    Register console.
+ */
+
+void __init arc_console_init(void)
+{
+	register_console(&arc_cons);
+}