init android origin source code

1 files changed, 45 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/mips/dec/prom/console.c b/ANDROID_3.4.5/arch/mips/dec/prom/console.c
new file mode 100644
index 00000000..caa6e047
--- /dev/null
+++ b/ANDROID_3.4.5/arch/mips/dec/prom/console.c
@@ -0,0 +1,45 @@
+/*
+ *	DECstation PROM-based early console support.
+ *
+ *	Copyright (C) 2004, 2007  Maciej W. Rozycki
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License
+ *	as published by the Free Software Foundation; either version
+ *	2 of the License, or (at your option) any later version.
+ */
+#include <linux/console.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+#include <asm/dec/prom.h>
+
+static void __init prom_console_write(struct console *con, const char *s,
+				      unsigned int c)
+{
+	char buf[81];
+	unsigned int chunk = sizeof(buf) - 1;
+
+	while (c > 0) {
+		if (chunk > c)
+			chunk = c;
+		memcpy(buf, s, chunk);
+		buf[chunk] = '\0';
+		prom_printf("%s", buf);
+		s += chunk;
+		c -= chunk;
+	}
+}
+
+static struct console promcons __initdata = {
+	.name	= "prom",
+	.write	= prom_console_write,
+	.flags	= CON_BOOT | CON_PRINTBUFFER,
+	.index	= -1,
+};
+
+void __init register_prom_console(void)
+{
+	register_console(&promcons);
+}