# HG changeset patch
# Parent 65f3748fa390f7e7f5b29512442f5e6a21b11126
diff -r 65f3748fa390 -r 54dbd258b423 sys/boot/ficl/efi.c
--- /dev/null
+++ b/sys/boot/ficl/efi.c
@@ -0,0 +1,171 @@
+/*-
+ * Copyright (c) 2014 Netflix, Inc
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ *	$FreeBSD$
+ */
+
+/*******************************************************************
+** e f i . c
+** Additional words for EFI
+** 
+*******************************************************************/
+
+#ifdef TESTMAIN
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#else
+#include <stand.h>
+#endif
+#include "bootstrap.h"
+#include <string.h>
+#include "ficl.h"
+
+/*		FreeBSD's loader interaction words and extras
+ *
+ * 		efi-setenv  ( value n name n' guid n'' -- )
+ * 		efi-getenv  ( guid n addr n -- addr' n' | -1 )
+ * 		efi-unsetenv ( name n guid n'' -- )
+ */
+
+void
+ficlEfiSetenv(FICL_VM *pVM)
+{
+#ifndef TESTMAIN
+	char	*name, *value;
+#endif
+	char	*namep, *valuep;
+	int	names, values;
+
+#if FICL_ROBUST > 1
+	vmCheckStack(pVM, 4, 0);
+#endif
+	names = stackPopINT(pVM->pStack);
+	namep = (char*) stackPopPtr(pVM->pStack);
+	values = stackPopINT(pVM->pStack);
+	valuep = (char*) stackPopPtr(pVM->pStack);
+
+#ifndef TESTMAIN
+	name = (char*) ficlMalloc(names+1);
+	if (!name)
+		vmThrowErr(pVM, "Error: out of memory");
+	strncpy(name, namep, names);
+	name[names] = '\0';
+	value = (char*) ficlMalloc(values+1);
+	if (!value)
+		vmThrowErr(pVM, "Error: out of memory");
+	strncpy(value, valuep, values);
+	value[values] = '\0';
+
+	setenv(name, value, 1);
+	ficlFree(name);
+	ficlFree(value);
+#endif
+
+	return;
+}
+
+void
+ficlEfiGetenv(FICL_VM *pVM)
+{
+#ifndef TESTMAIN
+	char	*name, *value;
+#endif
+	char	*namep;
+	int	names;
+
+#if FICL_ROBUST > 1
+	vmCheckStack(pVM, 2, 2);
+#endif
+	names = stackPopINT(pVM->pStack);
+	namep = (char*) stackPopPtr(pVM->pStack);
+
+#ifndef TESTMAIN
+	name = (char*) ficlMalloc(names+1);
+	if (!name)
+		vmThrowErr(pVM, "Error: out of memory");
+	strncpy(name, namep, names);
+	name[names] = '\0';
+
+	value = getenv(name);
+	ficlFree(name);
+
+	if(value != NULL) {
+		stackPushPtr(pVM->pStack, value);
+		stackPushINT(pVM->pStack, strlen(value));
+	} else
+#endif
+		stackPushINT(pVM->pStack, -1);
+
+	return;
+}
+
+void
+ficlEfiUnsetenv(FICL_VM *pVM)
+{
+#ifndef TESTMAIN
+	char	*name;
+#endif
+	char	*namep;
+	int	names;
+
+#if FICL_ROBUST > 1
+	vmCheckStack(pVM, 2, 0);
+#endif
+	names = stackPopINT(pVM->pStack);
+	namep = (char*) stackPopPtr(pVM->pStack);
+
+#ifndef TESTMAIN
+	name = (char*) ficlMalloc(names+1);
+	if (!name)
+		vmThrowErr(pVM, "Error: out of memory");
+	strncpy(name, namep, names);
+	name[names] = '\0';
+
+	unsetenv(name);
+	ficlFree(name);
+#endif
+
+	return;
+}
+/**************************************************************************
+
+** Build FreeBSD platform extensions into the system dictionary
+**************************************************************************/
+void ficlEfiCompilePlatform(FICL_SYSTEM *pSys)
+{
+    FICL_DICT *dp = pSys->dp;
+    assert (dp);
+
+    dictAppendWord(dp, "efi-setenv",    ficlEfiSetenv,	    FW_DEFAULT);
+    dictAppendWord(dp, "efi-getenv",    ficlEfiGetenv,	    FW_DEFAULT);
+    dictAppendWord(dp, "efi-unsetenv",  ficlEfiUnsetenv,    FW_DEFAULT);
+
+    return;
+}