X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Ftools%2Fncb.c;fp=qemu%2Froms%2Fu-boot%2Ftools%2Fncb.c;h=ec8d8a7435208e432b81b8daf29be868ec408921;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/tools/ncb.c b/qemu/roms/u-boot/tools/ncb.c
new file mode 100644
index 000000000..ec8d8a743
--- /dev/null
+++ b/qemu/roms/u-boot/tools/ncb.c
@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+int main (int argc, char *argv[])
+{
+	int s, len, o, port = 6666;
+	char buf[512];
+	struct sockaddr_in addr;
+	socklen_t addr_len = sizeof addr;
+
+	if (argc > 1)
+		port = atoi (argv[1]);
+
+	s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+
+	o = 1;
+	len = 4;
+	setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len);
+
+	addr.sin_family = AF_INET;
+	addr.sin_port = htons (port);
+	addr.sin_addr.s_addr = INADDR_ANY;	/* receive broadcasts */
+
+	bind (s, (struct sockaddr *) &addr, sizeof addr);
+
+	for (;;) {
+		len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len);
+		if (len < 0)
+			break;
+		if (write (1, buf, len) != len)
+			fprintf(stderr, "WARNING: serial characters dropped\n");
+	}
+
+	return 0;
+}