1 files changed, 117 insertions, 0 deletions
diff --git a/common/console_simple.c b/common/console_simple.c
new file mode 100644
index 0000000000..5a80f76242
--- /dev/null
+++ b/common/console_simple.c
@@ -0,0 +1,117 @@
+#include <config.h>
+#include <common.h>
+#include <fs.h>
+
+static struct console_device *console;
+
+int printf (const char *fmt, ...)
+{
+	va_list args;
+	uint i;
+	char printbuffer[CFG_PBSIZE];
+
+	va_start (args, fmt);
+
+	/* For this to work, printbuffer must be larger than
+	 * anything we ever want to print.
+	 */
+	i = vsprintf (printbuffer, fmt, args);
+	va_end (args);
+
+	/* Print the string */
+	puts(printbuffer);
+
+	return i;
+}
+EXPORT_SYMBOL(printf);
+
+int vprintf (const char *fmt, va_list args)
+{
+	uint i;
+	char printbuffer[CFG_PBSIZE];
+
+	/* For this to work, printbuffer must be larger than
+	 * anything we ever want to print.
+	 */
+	i = vsprintf (printbuffer, fmt, args);
+
+	/* Print the string */
+	puts (printbuffer);
+
+	return i;
+}
+EXPORT_SYMBOL(vprintf);
+
+void console_puts(unsigned int ch, const char *str)
+{
+	const char *s = str;
+	while (*s) {
+		console_putc(ch, *s);
+		if (*s == '\n')
+			console_putc(ch, '\r');
+		s++;
+	}
+}
+EXPORT_SYMBOL(console_puts);
+
+void console_putc(unsigned int ch, char c)
+{
+	console->putc(console, c);
+	if (c == '\n')
+		console->putc(console, '\r');
+}
+EXPORT_SYMBOL(console_putc);
+
+int fputc(int fd, char c)
+{
+	if (fd == 1)
+		putchar(c);
+	else if (fd == 2)
+		eputc(c);
+	else
+		return write(fd, &c, 1);
+	return 0;
+}
+EXPORT_SYMBOL(fputc);
+
+int fputs(int fd, const char *s)
+{
+	if (fd == 1)
+		puts(s);
+	else if (fd == 2)
+		eputs(s);
+	else
+		return write(fd, s, strlen(s));
+	return 0;
+}
+EXPORT_SYMBOL(fputs);
+
+int tstc(void)
+{
+	return console->tstc(console);
+}
+EXPORT_SYMBOL(tstc);
+
+int getc(void)
+{
+	return console->getc(console);
+}
+EXPORT_SYMBOL(getc);
+
+#ifndef ARCH_HAS_CTRLC
+/* test if ctrl-c was pressed */
+int ctrlc (void)
+{
+	if (tstc() && getc() == 3)
+		return 1;
+	return 0;
+}
+EXPORT_SYMBOL(ctrlc);
+#endif /* ARCH_HAS_CTRC */
+
+int console_register(struct console_device *newcdev)
+{
+	if (!console)
+		console = newcdev;
+	return 0;
+}