init gnumach copy

1 files changed, 86 insertions, 0 deletions

diff --git a/device/subrs.c b/device/subrs.c
new file mode 100644
index 0000000..6e90a81
--- /dev/null
+++ b/device/subrs.c
@@ -0,0 +1,86 @@
+/* 
+ * Mach Operating System
+ * Copyright (c) 1993,1991,1990,1989,1988 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ * Random device subroutines and stubs.
+ */
+
+#include <kern/debug.h>
+#include <kern/printf.h>
+#include <vm/vm_kern.h>
+#include <vm/vm_user.h>
+#include <device/buf.h>
+#include <device/if_hdr.h>
+#include <device/if_ether.h>
+#include <device/subrs.h>
+
+
+
+/*
+ * Convert Ethernet address to printable (loggable) representation.
+ */
+char *
+ether_sprintf(const u_char *ap)
+{
+	int i;
+	static char etherbuf[18];
+	char *cp = etherbuf;
+	static char digits[] = "0123456789abcdef";
+
+	for (i = 0; i < 6; i++) {
+		*cp++ = digits[*ap >> 4];
+		*cp++ = digits[*ap++ & 0xf];
+		*cp++ = ':';
+	}
+	*--cp = 0;
+	return (etherbuf);
+}
+
+/*
+ * Initialize send and receive queues on an interface.
+ */
+void if_init_queues(struct ifnet *ifp)
+{
+	IFQ_INIT(&ifp->if_snd);
+	queue_init(&ifp->if_rcv_port_list);
+	queue_init(&ifp->if_snd_port_list);
+	simple_lock_init(&ifp->if_rcv_port_list_lock);
+	simple_lock_init(&ifp->if_snd_port_list_lock);
+}
+
+
+/*
+ * Compatibility with BSD device drivers.
+ */
+void sleep(vm_offset_t channel, int priority)
+{
+	assert_wait((event_t) channel, FALSE);	/* not interruptible XXX */
+	thread_block((void (*)()) 0);
+}
+
+void wakeup(vm_offset_t channel)
+{
+	thread_wakeup((event_t) channel);
+}