hikey: Add UEFI sources for reference

UEFI needs to be built outside Android build system.
Please follow the instructions in README.

The sources correspond to:
https://github.com/96boards/edk2/commit/14eae0c12e71fd33c4c0fc51e4475e8db02566cf
https://github.com/96boards/arm-trusted-firmware/commit/e9b4909dcd75fc4ae7041cfb83d28ab9adb7afdf
https://github.com/96boards/l-loader/commit/6b784ad5c4ab00e2b1c6f53cd5f74054e5d00a78
https://git.linaro.org/uefi/uefi-tools.git/commit/abe618f8ab72034fff1ce46c9c006a2c6bd40a7e

Change-Id: Ieeefdb63e673e0c8e64e0a1f02c7bddc63b2c7fb
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
diff --git a/uefi/linaro-edk2/StdLib/BsdSocketLib/getnetbydns.c b/uefi/linaro-edk2/StdLib/BsdSocketLib/getnetbydns.c
new file mode 100644
index 0000000..b0fdef5
--- /dev/null
+++ b/uefi/linaro-edk2/StdLib/BsdSocketLib/getnetbydns.c
@@ -0,0 +1,318 @@
+/*-

+ * Copyright (c) 1985, 1988, 1993

+ *	The Regents of the University of California.  All rights reserved.

+ *

+ * Portions copyright (c) 1999, 2000

+ * Intel Corporation.

+ * 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 the University of

+ *    California, Berkeley, Intel Corporation, and its contributors.

+ * 

+ * 4. Neither the name of University, Intel Corporation, or their respective

+ *    contributors may be used to endorse or promote products derived from

+ *    this software without specific prior written permission.

+ * 

+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION AND

+ * CONTRIBUTORS ``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 REGENTS,

+ * INTEL CORPORATION OR CONTRIBUTORS 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.

+ * -

+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.

+ *

+ * Permission to use, copy, modify, and distribute this software for any

+ * purpose with or without fee is hereby granted, provided that the above

+ * copyright notice and this permission notice appear in all copies, and that

+ * the name of Digital Equipment Corporation not be used in advertising or

+ * publicity pertaining to distribution of the document or software without

+ * specific, written prior permission.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL

+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES

+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT

+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL

+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR

+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS

+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS

+ * SOFTWARE.

+ * -

+ * --Copyright--

+ */

+/* Portions Copyright (c) 1993 Carlos Leandro and Rui Salgueiro

+ *	Dep. Matematica Universidade de Coimbra, Portugal, Europe

+ *

+ * Permission to use, copy, modify, and distribute this software for any

+ * purpose with or without fee is hereby granted, provided that the above

+ * copyright notice and this permission notice appear in all copies.

+ */

+

+#if defined(LIBC_SCCS) && !defined(lint)

+static char sccsid[] = "@(#)gethostnamadr.c	8.1 (Berkeley) 6/4/93";

+static char rcsid[] = "$Id: getnetbydns.c,v 1.1.1.1 2003/11/19 01:51:27 kyu3 Exp $";

+#endif /* LIBC_SCCS and not lint */

+

+#include <sys/param.h>

+#include <sys/socket.h>

+#include <netinet/in.h>

+#include <arpa/inet.h>

+#include <arpa/nameser.h>

+

+#include <stdio.h>

+#include <netdb.h>

+#include <resolv.h>

+#include <ctype.h>

+#include <errno.h>

+#include <string.h>

+#include <unistd.h>

+#ifdef _ORG_FREEBSD_

+#include <syslog.h>

+#endif

+

+#include "res_config.h"

+#include "Socklib_internals.h"

+

+extern int h_errno;

+

+#define BYADDR 0

+#define BYNAME 1

+#define	MAXALIASES	35

+

+#if PACKETSZ > 1024

+#define	MAXPACKET	PACKETSZ

+#else

+#define	MAXPACKET	1024

+#endif

+

+typedef union {

+	HEADER	hdr;

+	u_char	buf[MAXPACKET];

+} querybuf;

+

+typedef union {

+	long	al;

+	char	ac;

+} align;

+

+static struct netent *

+getnetanswer(querybuf *answer, int anslen, int net_i)

+{

+

+	register HEADER *hp;

+	register u_char *cp;

+	register int n;

+	u_char *eom;

+	int type, class, buflen, ancount, qdcount, haveanswer, i, nchar;

+	char aux1[MAXHOSTNAMELEN], aux2[MAXHOSTNAMELEN], ans[MAXHOSTNAMELEN];

+	char *in, *st, *pauxt, *bp, **ap;

+	char *paux1 = &aux1[0], *paux2 = &aux2[0], flag = 0;

+static	struct netent net_entry;

+static	char *net_aliases[MAXALIASES], netbuf[PACKETSZ];

+

+	/*

+	 * find first satisfactory answer

+	 *

+	 *      answer --> +------------+  ( MESSAGE )

+	 *		   |   Header   |

+	 *		   +------------+

+	 *		   |  Question  | the question for the name server

+	 *		   +------------+

+	 *		   |   Answer   | RRs answering the question

+	 *		   +------------+

+	 *		   | Authority  | RRs pointing toward an authority

+	 *		   | Additional | RRs holding additional information

+	 *		   +------------+

+	 */

+	eom = answer->buf + anslen;

+	hp = &answer->hdr;

+	ancount = ntohs(hp->ancount); /* #/records in the answer section */

+	qdcount = ntohs(hp->qdcount); /* #/entries in the question section */

+	bp = netbuf;

+	buflen = sizeof(netbuf);

+	cp = answer->buf + HFIXEDSZ;

+	if (!qdcount) {

+		if (hp->aa)

+			h_errno = HOST_NOT_FOUND;

+		else

+			h_errno = TRY_AGAIN;

+		return (NULL);

+	}

+	while (qdcount-- > 0)

+		cp += __dn_skipname(cp, eom) + QFIXEDSZ;

+	ap = net_aliases;

+	*ap = NULL;

+	net_entry.n_aliases = net_aliases;

+	haveanswer = 0;

+	while (--ancount >= 0 && cp < eom) {

+		n = dn_expand(answer->buf, eom, cp, bp, buflen);

+		if ((n < 0) || !res_dnok(bp))

+			break;

+		cp += n;

+		ans[0] = '\0';

+		(void)strncpy(&ans[0], bp, sizeof(ans) - 1);

+		ans[sizeof(ans) - 1] = '\0';

+		GETSHORT(type, cp);

+		GETSHORT(class, cp);

+		cp += INT32SZ;		/* TTL */

+		GETSHORT(n, cp);

+		if (class == C_IN && type == T_PTR) {

+			n = dn_expand(answer->buf, eom, cp, bp, buflen);

+			if ((n < 0) || !res_hnok(bp)) {

+				cp += n;

+				return (NULL);

+			}

+			cp += n; 

+			*ap++ = bp;

+			bp += strlen(bp) + 1;

+			net_entry.n_addrtype =

+				(class == C_IN) ? AF_INET : AF_UNSPEC;

+			haveanswer++;

+		}

+	}

+	if (haveanswer) {

+		*ap = NULL;

+		switch (net_i) {

+		case BYADDR:

+			net_entry.n_name = *net_entry.n_aliases;

+			net_entry.n_net = 0L;

+			break;

+		case BYNAME:

+			in = *net_entry.n_aliases;

+			net_entry.n_name = &ans[0];

+			aux2[0] = '\0';

+			for (i = 0; i < 4; i++) {

+				for (st = in, nchar = 0;

+				     *st != '.';

+				     st++, nchar++)

+					;

+				if (nchar != 1 || *in != '0' || flag) {

+					flag = 1;

+					(void)strncpy(paux1,

+						      (i==0) ? in : in-1,

+						      (i==0) ?nchar : nchar+1);

+					paux1[(i==0) ? nchar : nchar+1] = '\0';

+					pauxt = paux2;

+					paux2 = strcat(paux1, paux2);

+					paux1 = pauxt;

+				}

+				in = ++st;

+			}		  

+			net_entry.n_net = inet_network(paux2);

+			break;

+		}

+		net_entry.n_aliases++;

+		return (&net_entry);

+	}

+	h_errno = TRY_AGAIN;

+	return (NULL);

+}

+

+struct netent *

+_getnetbydnsaddr(register unsigned long net, register int net_type)

+{

+	unsigned int netbr[4];

+	int nn, anslen;

+	querybuf buf;

+	char qbuf[MAXDNAME];

+	unsigned long net2;

+	struct netent *net_entry;

+

+	if (net_type != AF_INET)

+		return (NULL);

+

+	for (nn = 4, net2 = net; net2; net2 >>= 8)

+		netbr[--nn] = net2 & 0xff;

+	switch (nn) {

+	case 3: 	/* Class A */

+		sprintf(qbuf, "0.0.0.%u.in-addr.arpa", netbr[3]);

+		break;

+	case 2: 	/* Class B */

+		sprintf(qbuf, "0.0.%u.%u.in-addr.arpa", netbr[3], netbr[2]);

+		break;

+	case 1: 	/* Class C */

+		sprintf(qbuf, "0.%u.%u.%u.in-addr.arpa", netbr[3], netbr[2],

+		    netbr[1]);

+		break;

+	case 0: 	/* Class D - E */

+		sprintf(qbuf, "%u.%u.%u.%u.in-addr.arpa", netbr[3], netbr[2],

+		    netbr[1], netbr[0]);

+		break;

+	}

+	anslen = res_query(qbuf, C_IN, T_PTR, (u_char *)&buf, sizeof(buf));

+	if (anslen < 0) {

+#ifdef DEBUG

+		if (_res.options & RES_DEBUG)

+			printf("res_query failed\n");

+#endif

+		return (NULL);

+	}

+	net_entry = getnetanswer(&buf, anslen, BYADDR);

+	if (net_entry) {

+		unsigned u_net = net;	/* maybe net should be unsigned ? */

+

+		/* Strip trailing zeros */

+		while ((u_net & 0xff) == 0 && u_net != 0)

+			u_net >>= 8;

+		net_entry->n_net = u_net;

+		return (net_entry);

+	}

+	return (NULL);

+}

+

+struct netent *

+_getnetbydnsname(register const char *net)

+{

+	int anslen;

+	querybuf buf;

+	char qbuf[MAXDNAME];

+

+	if ((_res.options & RES_INIT) == 0 && res_init() == -1) {

+		h_errno = NETDB_INTERNAL;

+		return (NULL);

+	}

+	strncpy(qbuf, net, sizeof(qbuf) - 1);

+	qbuf[sizeof(qbuf) - 1] = '\0';

+	anslen = res_search(qbuf, C_IN, T_PTR, (u_char *)&buf, sizeof(buf));

+	if (anslen < 0) {

+#ifdef DEBUG

+		if (_res.options & RES_DEBUG)

+			printf("res_query failed\n");

+#endif

+		return (NULL);

+	}

+	return getnetanswer(&buf, anslen, BYNAME);

+}

+

+void

+_setnetdnsent(int stayopen)

+{

+	if (stayopen)

+		_res.options |= RES_STAYOPEN | RES_USEVC;

+}

+

+void

+_endnetdnsent()

+{

+	_res.options &= ~(RES_STAYOPEN | RES_USEVC);

+	res_close();

+}