Enough of NetBSD/sparc64 for ofwboot to compile/link

1 files changed, 240 insertions, 0 deletions

diff --git a/sys/arch/sparc64/stand/ofwboot/netif_of.c b/sys/arch/sparc64/stand/ofwboot/netif_of.c
new file mode 100644
index 00000000000..e5d02bdf297
--- /dev/null
+++ b/sys/arch/sparc64/stand/ofwboot/netif_of.c
@@ -0,0 +1,240 @@
+/*	$NetBSD: netif_of.c,v 1.1 2000/08/20 14:58:39 mrg Exp $	*/
+
+/*
+ * Copyright (C) 1995 Wolfgang Solfrank.
+ * Copyright (C) 1995 TooLs GmbH.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by TooLs GmbH.
+ * 4. The name of TooLs GmbH may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
+ */
+
+/*
+ * Open Firmware does most of the job for interfacing to the hardware,
+ * so it is easiest to just replace the netif module with
+ * this adaptation to the PROM network interface.
+ *
+ * Note: this is based in part on sys/arch/sparc/stand/netif_sun.c
+ */
+
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <net/if.h>
+#include <net/if_ether.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+
+#include <lib/libsa/stand.h>
+#include <lib/libsa/net.h>
+#include <lib/libsa/netif.h>
+
+#include "ofdev.h"
+#include "openfirm.h"
+
+static struct netif netif_of;
+
+struct iodesc sockets[SOPEN_MAX];
+
+struct iodesc *
+socktodesc(sock)
+	int sock;
+{
+	if (sock != 0)
+		return NULL;
+	return sockets;
+}
+
+int
+netif_open(machdep_hint)
+	void *machdep_hint;
+{
+	struct of_dev *op = machdep_hint;
+	struct iodesc *io;
+	int fd, error;
+	char addr[32];
+	
+#ifdef	NETIF_DEBUG
+	printf("netif_open...");
+#endif
+	/* find a free socket */
+	io = sockets;
+	if (io->io_netif) {
+#ifdef	NETIF_DEBUG
+		printf("device busy\n");
+#endif
+		errno = ENFILE;
+		return -1;
+	}
+	bzero(io, sizeof *io);
+
+	netif_of.nif_devdata = op;
+	io->io_netif = &netif_of;
+	
+	/* Put our ethernet address in io->myea */
+	OF_getprop(OF_instance_to_package(op->handle),
+		   "mac-address", io->myea, sizeof io->myea);
+
+#ifdef	NETIF_DEBUG
+	printf("OK\n");
+#endif
+	return 0;
+}
+
+int
+netif_close(fd)
+	int fd;
+{
+	struct iodesc *io;
+	struct netif *ni;
+
+#ifdef	NETIF_DEBUG
+	printf("netif_close(%x)...", fd);
+#endif
+	if (fd != 0) {
+#ifdef	NETIF_DEBUG
+		printf("EBADF\n");
+#endif
+		errno = EBADF;
+		return -1;
+	}
+
+	io = &sockets[fd];
+	ni = io->io_netif;
+	if (ni != NULL) {
+		ni->nif_devdata = NULL;
+		io->io_netif = NULL;
+	}
+#ifdef	NETIF_DEBUG
+	printf("OK\n");
+#endif
+	return 0;
+}
+
+/*
+ * Send a packet.  The ether header is already there.
+ * Return the length sent (or -1 on error).
+ */
+ssize_t
+netif_put(desc, pkt, len)
+	struct iodesc *desc;
+	void *pkt;
+	size_t len;
+{
+	struct of_dev *op;
+	ssize_t rv;
+	size_t sendlen;
+
+	op = desc->io_netif->nif_devdata;
+
+#ifdef	NETIF_DEBUG
+	{
+		struct ether_header *eh;
+
+		printf("netif_put: desc=0x%x pkt=0x%x len=%d\n",
+		       desc, pkt, len);
+		eh = pkt;
+		printf("dst: %s ", ether_sprintf(eh->ether_dhost));
+		printf("src: %s ", ether_sprintf(eh->ether_shost));
+		printf("type: 0x%x\n", eh->ether_type & 0xFFFF);
+	}
+#endif
+
+	sendlen = len;
+	if (sendlen < 60) {
+		sendlen = 60;
+#ifdef	NETIF_DEBUG
+		printf("netif_put: length padded to %d\n", sendlen);
+#endif
+	}
+
+	rv = OF_write(op->handle, pkt, sendlen);
+
+#ifdef	NETIF_DEBUG
+	printf("netif_put: xmit returned %d\n", rv);
+#endif
+
+	return rv;
+}
+
+/*
+ * Receive a packet, including the ether header.
+ * Return the total length received (or -1 on error).
+ */
+ssize_t
+netif_get(desc, pkt, maxlen, timo)
+	struct iodesc *desc;
+	void *pkt;
+	size_t maxlen;
+	time_t timo;
+{
+	struct of_dev *op;
+	int tick0, tmo_ms;
+	int len;
+
+	op = desc->io_netif->nif_devdata;
+
+#ifdef	NETIF_DEBUG
+	printf("netif_get: pkt=0x%x, maxlen=%d, tmo=%d\n",
+	       pkt, maxlen, timo);
+#endif
+
+	tmo_ms = timo * 1000;
+	tick0 = OF_milliseconds();
+
+	do {
+		len = OF_read(op->handle, pkt, maxlen);
+	} while ((len == -2 || len == 0) &&
+		 (OF_milliseconds() - tick0 < tmo_ms));
+
+#ifdef	NETIF_DEBUG
+	printf("netif_get: received len=%d\n", len);
+#endif
+
+	if (len < 12)
+		return -1;
+
+#ifdef	NETIF_DEBUG
+	{
+		struct ether_header *eh = pkt;
+
+		printf("dst: %s ", ether_sprintf(eh->ether_dhost));
+		printf("src: %s ", ether_sprintf(eh->ether_shost));
+		printf("type: 0x%x\n", eh->ether_type & 0xFFFF);
+	}
+#endif
+
+	return len;
+}
+
+/*
+ * Shouldn't really be here, but is used solely for networking, so...
+ */
+time_t
+getsecs()
+{
+	return OF_milliseconds() / 1000;
+}