Index: kernel/genarch/src/drivers/dsrln/dsrlnin.c
===================================================================
--- kernel/genarch/src/drivers/dsrln/dsrlnin.c	(revision 8ba3dc78b01e2543d8a0b5b5961609d922cb60f3)
+++ kernel/genarch/src/drivers/dsrln/dsrlnin.c	(revision 8ba3dc78b01e2543d8a0b5b5961609d922cb60f3)
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2009 Martin Decky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup genarch
+ * @{
+ */
+/**
+ * @file
+ * @brief Dummy serial line input.
+ */
+
+#include <genarch/drivers/dsrln/dsrlnin.h>
+#include <console/chardev.h>
+#include <mm/slab.h>
+#include <arch/asm.h>
+
+indev_operations_t kbrdin_ops = {
+	.poll = NULL
+};
+
+static irq_ownership_t dsrlnin_claim(irq_t *irq)
+{
+	return IRQ_ACCEPT;
+}
+
+static void dsrlnin_irq_handler(irq_t *irq)
+{
+	dsrlnin_instance_t *instance = irq->instance;
+	dsrlnin_t *dev = instance->dsrlnin;
+	
+	indev_push_character(&instance->kbrdin, pio_read_8(&dev->data));
+}
+
+indev_t *dsrlnin_init(dsrlnin_t *dev, devno_t devno, inr_t inr)
+{
+	dsrlnin_instance_t *instance
+	    = malloc(sizeof(dsrlnin_instance_t), FRAME_ATOMIC);
+	if (!instance)
+		return NULL;
+	
+	indev_initialize("dsrlnin", &instance->kbrdin, &kbrdin_ops);
+	
+	instance->devno = devno;
+	instance->dsrlnin = dev;
+	
+	irq_initialize(&instance->irq);
+	instance->irq.devno = devno;
+	instance->irq.inr = inr;
+	instance->irq.claim = dsrlnin_claim;
+	instance->irq.handler = dsrlnin_irq_handler;
+	instance->irq.instance = instance;
+	irq_register(&instance->irq);
+	
+	return &instance->kbrdin;
+}
+
+/** @}
+ */
Index: kernel/genarch/src/drivers/dsrln/dsrlnout.c
===================================================================
--- kernel/genarch/src/drivers/dsrln/dsrlnout.c	(revision 8ba3dc78b01e2543d8a0b5b5961609d922cb60f3)
+++ kernel/genarch/src/drivers/dsrln/dsrlnout.c	(revision 8ba3dc78b01e2543d8a0b5b5961609d922cb60f3)
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2009 Martin Decky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup genarch
+ * @{
+ */
+/**
+ * @file
+ * @brief Dummy serial line output.
+ */
+
+
+#include <genarch/drivers/dsrln/dsrlnout.h>
+#include <console/chardev.h>
+#include <arch/asm.h>
+#include <console/console.h>
+#include <sysinfo/sysinfo.h>
+
+static ioport8_t *dsrlnout_base;
+
+static void dsrlnout_putchar(outdev_t *dev __attribute__((unused)), const char ch, bool silent)
+{
+	if (!silent)
+		pio_write_8(dsrlnout_base, ch);
+}
+
+static outdev_t dsrlnout_console;
+static outdev_operations_t dsrlnout_ops = {
+	.write = dsrlnout_putchar
+};
+
+void dsrlnout_init(ioport8_t *base)
+{
+	/* Initialize the software structure. */
+	dsrlnout_base = base;
+	
+	outdev_initialize("dsrlnout", &dsrlnout_console, &dsrlnout_ops);
+	stdout = &dsrlnout_console;
+	
+	sysinfo_set_item_val("fb", NULL, true);
+	sysinfo_set_item_val("fb.kind", NULL, 3);
+	sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(base));
+}
+
+/** @}
+ */