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/Include/nsswitch.h b/uefi/linaro-edk2/StdLib/Include/nsswitch.h
new file mode 100644
index 0000000..89e3a3e
--- /dev/null
+++ b/uefi/linaro-edk2/StdLib/Include/nsswitch.h
@@ -0,0 +1,237 @@
+/*	$NetBSD: nsswitch.h,v 1.20 2008/04/28 20:22:54 martin Exp $	*/

+

+/*-

+ * Copyright (c) 1997, 1998, 1999, 2004 The NetBSD Foundation, Inc.

+ * All rights reserved.

+ *

+ * This code is derived from software contributed to The NetBSD Foundation

+ * by Luke Mewburn.

+ *

+ * 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.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.

+ */

+

+#ifndef _NSSWITCH_H

+#define _NSSWITCH_H	1

+

+/*

+ * Don't use va_list in prototypes.   va_list is typedef'd in two places

+ * (<machine/varargs.h> and <machine/stdarg.h>), so if we include one of

+ * them here we may collide with the utility's includes.  It's unreasonable

+ * for utilities to have to include one of them to include nsswitch.h, so

+ * we get _BSD_VA_LIST_ from <machine/ansi.h> and use it.

+ */

+#include <machine/ansi.h>

+#include <sys/types.h>

+

+#define	NSS_MODULE_INTERFACE_VERSION	0

+

+#ifndef _PATH_NS_CONF

+#define _PATH_NS_CONF	"/etc/nsswitch.conf"

+#endif

+

+#define	NS_CONTINUE	0

+#define	NS_RETURN	1

+

+/*

+ * Layout of:

+ *	uint32_t ns_src.flags

+ */ 

+	/* nsswitch.conf status codes and nsdispatch(3) return values */

+#define	NS_SUCCESS	(1<<0)		/* entry was found */

+#define	NS_UNAVAIL	(1<<1)		/* source not responding, or corrupt */

+#define	NS_NOTFOUND	(1<<2)		/* source responded 'no such entry' */

+#define	NS_TRYAGAIN	(1<<3)		/* source busy, may respond to retrys */

+#define	NS_STATUSMASK	0x000000ff	/* bitmask to get the status flags */

+

+	/* internal nsdispatch(3) flags; not settable in nsswitch.conf(5)  */

+#define	NS_FORCEALL	(1<<8)		/* force all methods to be invoked; */

+

+/*

+ * Currently implemented sources.

+ */

+#define NSSRC_FILES	"files"		/* local files */

+#define	NSSRC_DNS	"dns"		/* DNS; IN for hosts, HS for others */

+#define	NSSRC_NIS	"nis"		/* YP/NIS */

+#define	NSSRC_COMPAT	"compat"	/* passwd,group in YP compat mode */

+

+/*

+ * Currently implemented databases.

+ */

+#define NSDB_HOSTS		"hosts"

+#define NSDB_GROUP		"group"

+#define NSDB_GROUP_COMPAT	"group_compat"

+#define NSDB_NETGROUP		"netgroup"

+#define NSDB_NETWORKS		"networks"

+#define NSDB_PASSWD		"passwd"

+#define NSDB_PASSWD_COMPAT	"passwd_compat"

+#define NSDB_SHELLS		"shells"

+

+/*

+ * Suggested databases to implement.

+ */

+#define NSDB_ALIASES		"aliases"

+#define NSDB_AUTH		"auth"

+#define NSDB_AUTOMOUNT		"automount"

+#define NSDB_BOOTPARAMS		"bootparams"

+#define NSDB_ETHERS		"ethers"

+#define NSDB_EXPORTS		"exports"

+#define NSDB_NETMASKS		"netmasks"

+#define NSDB_PHONES		"phones"

+#define NSDB_PRINTCAP		"printcap"

+#define NSDB_PROTOCOLS		"protocols"

+#define NSDB_REMOTE		"remote"

+#define NSDB_RPC		"rpc"

+#define NSDB_SENDMAILVARS	"sendmailvars"

+#define NSDB_SERVICES		"services"

+#define NSDB_TERMCAP		"termcap"

+#define NSDB_TTYS		"ttys"

+

+/*

+ * ns_dtab `callback' function signature.

+ */

+typedef	int (*nss_method)(void *, void *, _BSD_VA_LIST_);

+

+/*

+ * ns_dtab - `nsswitch dispatch table'

+ * Contains an entry for each source and the appropriate function to call.

+ */

+typedef struct {

+	const char	 *src;

+	nss_method	 callback;

+	void		 *cb_data;

+} ns_dtab;

+

+/*

+ * Macros to help build an ns_dtab[]

+ */

+#define NS_FILES_CB(F,C)	{ NSSRC_FILES,	F,	__UNCONST(C) },

+#define NS_COMPAT_CB(F,C)	{ NSSRC_COMPAT,	F,	__UNCONST(C) },

+ 

+#ifdef HESIOD

+#   define NS_DNS_CB(F,C)	{ NSSRC_DNS,	F,	__UNCONST(C) },

+#else

+#   define NS_DNS_CB(F,C)

+#endif

+

+#ifdef YP

+#   define NS_NIS_CB(F,C)	{ NSSRC_NIS,	F,	__UNCONST(C) },

+#else

+#   define NS_NIS_CB(F,C)

+#endif

+#define	NS_NULL_CB		{ NULL, NULL, NULL },

+

+/*

+ * ns_src - `nsswitch source'

+ * Used by the nsparser routines to store a mapping between a source

+ * and its dispatch control flags for a given database.

+ */

+typedef struct {

+	const char	*name;

+	uint32_t	 flags;

+} ns_src;

+

+

+/*

+ * Default sourcelists (if nsswitch.conf is missing, corrupt,

+ * or the requested database doesn't have an entry)

+ */

+extern const ns_src __nsdefaultsrc[];

+extern const ns_src __nsdefaultcompat[];

+extern const ns_src __nsdefaultcompat_forceall[];

+extern const ns_src __nsdefaultfiles[];

+extern const ns_src __nsdefaultfiles_forceall[];

+extern const ns_src __nsdefaultnis[];

+extern const ns_src __nsdefaultnis_forceall[];

+

+

+/*

+ * ns_mtab - `nsswitch method table'

+ * An nsswitch module provides a mapping from (database name, method name)

+ * tuples to the nss_method and associated callback data.  Effectively,

+ * ns_dtab, but used for dynamically loaded modules.

+ */

+typedef struct {

+	const char	*database;

+	const char	*name;

+	nss_method	 method;

+	void		*mdata;

+} ns_mtab;

+

+/*

+ * nss_module_register_fn - module registration function

+ *	called at module load

+ * nss_module_unregister_fn - module un-registration function

+ *	called at module unload

+ */

+typedef	void (*nss_module_unregister_fn)(ns_mtab *, u_int);

+typedef	ns_mtab *(*nss_module_register_fn)(const char *, u_int *,

+					   nss_module_unregister_fn *);

+

+#ifdef _NS_PRIVATE

+

+/*

+ * Private data structures for back-end nsswitch implementation.

+ */

+

+/*

+ * ns_dbt - `nsswitch database thang'

+ * For each database in /etc/nsswitch.conf there is a ns_dbt, with its

+ * name and a list of ns_src's containing the source information.

+ */

+typedef struct {

+	const char	*name;		/* name of database */

+	ns_src		*srclist;	/* list of sources */

+	u_int		 srclistsize;	/* size of srclist */

+} ns_dbt;

+

+/*

+ * ns_mod - `nsswitch module'

+ */

+typedef struct {

+	const char	*name;		/* module name */

+	void		*handle;	/* handle from dlopen() */

+	ns_mtab		*mtab;		/* method table */

+	u_int		 mtabsize;	/* size of mtab */

+					/* called to unload module */

+	nss_module_unregister_fn unregister;

+} ns_mod;

+

+#endif /* _NS_PRIVATE */

+

+

+#include <sys/cdefs.h>

+

+__BEGIN_DECLS

+int	nsdispatch(void *, const ns_dtab [], const char *,

+			const char *, const ns_src [], ...);

+

+#ifdef _NS_PRIVATE

+int		 _nsdbtaddsrc(ns_dbt *, const ns_src *);

+void		 _nsdbtdump(const ns_dbt *);

+int		 _nsdbtput(const ns_dbt *);

+void		 _nsyyerror(const char *);

+int		 _nsyylex(void);

+#endif /* _NS_PRIVATE */

+

+__END_DECLS

+

+#endif /* !_NSSWITCH_H */