]> git.saurik.com Git - apple/xnu.git/blobdiff - bsd/kern/netboot.c
xnu-4903.270.47.tar.gz
[apple/xnu.git] / bsd / kern / netboot.c
index e8bdddb34f618145b1219e2bcd8800f2c27723e6..71362c2f27e3f3043155b1bf694a0a0cb5171aad 100644 (file)
@@ -2,7 +2,7 @@
  * Copyright (c) 2001-2013 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * Copyright (c) 2001-2013 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- * 
+ *
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #include <pexpert/pexpert.h>
 
 //#include <libkern/libkern.h>
 #include <pexpert/pexpert.h>
 
 //#include <libkern/libkern.h>
-extern struct filedesc         filedesc0;
+extern struct filedesc  filedesc0;
 
 
-extern int     nfs_mountroot(void);    /* nfs_vfsops.c */
+extern int      nfs_mountroot(void);    /* nfs_vfsops.c */
 extern int (*mountroot)(void);
 
 extern int (*mountroot)(void);
 
-extern unsigned char   rootdevice[];
+extern unsigned char    rootdevice[];
 
 
-static int                     S_netboot = 0;
-static struct netboot_info *   S_netboot_info_p;
+static int                      S_netboot = 0;
+static struct netboot_info *    S_netboot_info_p;
 
 void *
 IOBSDRegistryEntryForDeviceTree(const char * path);
 
 void *
 IOBSDRegistryEntryForDeviceTree(const char * path);
@@ -78,38 +78,38 @@ void
 IOBSDRegistryEntryRelease(void * entry);
 
 const void *
 IOBSDRegistryEntryRelease(void * entry);
 
 const void *
-IOBSDRegistryEntryGetData(void * entry, const char * property_name, 
-                         int * packet_length);
+IOBSDRegistryEntryGetData(void * entry, const char * property_name,
+    int * packet_length);
 
 
-#define BOOTP_RESPONSE "bootp-response"
-#define BSDP_RESPONSE  "bsdp-response"
-#define DHCP_RESPONSE  "dhcp-response"
+#define BOOTP_RESPONSE  "bootp-response"
+#define BSDP_RESPONSE   "bsdp-response"
+#define DHCP_RESPONSE   "dhcp-response"
 
 
-#define IP_FORMAT      "%d.%d.%d.%d"
-#define IP_CH(ip)      ((u_char *)ip)
-#define IP_LIST(ip)    IP_CH(ip)[0],IP_CH(ip)[1],IP_CH(ip)[2],IP_CH(ip)[3]
+#define IP_FORMAT       "%d.%d.%d.%d"
+#define IP_CH(ip)       ((u_char *)ip)
+#define IP_LIST(ip)     IP_CH(ip)[0],IP_CH(ip)[1],IP_CH(ip)[2],IP_CH(ip)[3]
 
 
-#define kNetBootRootPathPrefixNFS      "nfs:"
-#define kNetBootRootPathPrefixHTTP     "http:"
+#define kNetBootRootPathPrefixNFS       "nfs:"
+#define kNetBootRootPathPrefixHTTP      "http:"
 
 typedef enum {
 
 typedef enum {
-    kNetBootImageTypeUnknown = 0,
-    kNetBootImageTypeNFS = 1,
-    kNetBootImageTypeHTTP = 2,
+       kNetBootImageTypeUnknown = 0,
+       kNetBootImageTypeNFS = 1,
+       kNetBootImageTypeHTTP = 2,
 } NetBootImageType;
 
 struct netboot_info {
 } NetBootImageType;
 
 struct netboot_info {
-    struct in_addr     client_ip;
-    struct in_addr     server_ip;
-    char *             server_name;
-    int                        server_name_length;
-    char *             mount_point;
-    int                        mount_point_length;
-    char *             image_path;
-    int                        image_path_length;
-    NetBootImageType   image_type;
-    char *             second_image_path;
-    int                        second_image_path_length;
+       struct in_addr      client_ip;
+       struct in_addr      server_ip;
+       char *              server_name;
+       int                 server_name_length;
+       char *              mount_point;
+       int                 mount_point_length;
+       char *              image_path;
+       int                 image_path_length;
+       NetBootImageType    image_type;
+       char *              second_image_path;
+       int                 second_image_path_length;
 };
 
 /*
 };
 
 /*
@@ -121,50 +121,49 @@ struct netboot_info {
  *
  * Note:
  *   The passed in string is modified i.e. ':' is replaced by '\0'.
  *
  * Note:
  *   The passed in string is modified i.e. ':' is replaced by '\0'.
- * Example: 
+ * Example:
  *   "17.202.16.17:seaport:/release/.images/Image9/CurrentHera"
  */
 static __inline__ boolean_t
 parse_booter_path(char * path, struct in_addr * iaddr_p, char const * * host,
  *   "17.202.16.17:seaport:/release/.images/Image9/CurrentHera"
  */
 static __inline__ boolean_t
 parse_booter_path(char * path, struct in_addr * iaddr_p, char const * * host,
-                 char * * mount_dir, char * * image_path)
+    char * * mount_dir, char * * image_path)
 {
 {
-    char *     start;
-    char *     colon;
-
-    /* IP address */
-    start = path;
-    colon = strchr(start, ':');
-    if (colon == NULL) {
-       return (FALSE);
-    }
-    *colon = '\0';
-    if (inet_aton(start, iaddr_p) != 1) {
-       return (FALSE);
-    }
-
-    /* host */
-    start = colon + 1;
-    colon = strchr(start, ':');
-    if (colon == NULL) {
-       return (FALSE);
-    }
-    *colon = '\0';
-    *host = start;
-
-    /* mount */
-    start = colon + 1;
-    colon = strchr(start, ':');
-    *mount_dir = start;
-    if (colon == NULL) {
-       *image_path = NULL;
-    }
-    else {
-       /* image path */
+       char *      start;
+       char *      colon;
+
+       /* IP address */
+       start = path;
+       colon = strchr(start, ':');
+       if (colon == NULL) {
+               return FALSE;
+       }
        *colon = '\0';
        *colon = '\0';
+       if (inet_aton(start, iaddr_p) != 1) {
+               return FALSE;
+       }
+
+       /* host */
        start = colon + 1;
        start = colon + 1;
-       *image_path = start;
-    }
-    return (TRUE);
+       colon = strchr(start, ':');
+       if (colon == NULL) {
+               return FALSE;
+       }
+       *colon = '\0';
+       *host = start;
+
+       /* mount */
+       start = colon + 1;
+       colon = strchr(start, ':');
+       *mount_dir = start;
+       if (colon == NULL) {
+               *image_path = NULL;
+       } else {
+               /* image path */
+               *colon = '\0';
+               start = colon + 1;
+               *image_path = start;
+       }
+       return TRUE;
 }
 
 /*
 }
 
 /*
@@ -177,24 +176,25 @@ parse_booter_path(char * path, struct in_addr * iaddr_p, char const * * host,
 static __inline__ char *
 find_colon(char * str)
 {
 static __inline__ char *
 find_colon(char * str)
 {
-    char * start = str;
-    char * colon;
-    
-    while ((colon = strchr(start, ':')) != NULL) {
-       char * dst;
-       char * src;
-
-       if (colon == start) {
-           break;
-       }
-       if (colon[-1] != '\\')
-           break;
-       for (dst = colon - 1, src = colon; *dst != '\0'; dst++, src++) {
-           *dst = *src;
-       }
-       start = colon;
-    }
-    return (colon);
+       char * start = str;
+       char * colon;
+
+       while ((colon = strchr(start, ':')) != NULL) {
+               char * dst;
+               char * src;
+
+               if (colon == start) {
+                       break;
+               }
+               if (colon[-1] != '\\') {
+                       break;
+               }
+               for (dst = colon - 1, src = colon; *dst != '\0'; dst++, src++) {
+                       *dst = *src;
+               }
+               start = colon;
+       }
+       return colon;
 }
 
 /*
 }
 
 /*
@@ -213,586 +213,580 @@ find_colon(char * str)
  */
 static __inline__ boolean_t
 parse_netboot_path(char * path, struct in_addr * iaddr_p, char const * * host,
  */
 static __inline__ boolean_t
 parse_netboot_path(char * path, struct in_addr * iaddr_p, char const * * host,
-                  char * * mount_dir, char * * image_path)
+    char * * mount_dir, char * * image_path)
 {
 {
-    static char        tmp[MAX_IPv4_STR_LEN];  /* Danger - not thread safe */
-    char *     start;
-    char *     colon;
-
-    if (strncmp(path, kNetBootRootPathPrefixNFS, 
-               strlen(kNetBootRootPathPrefixNFS)) != 0) {
-       return (FALSE);
-    }
-
-    /* IP address */
-    start = path + strlen(kNetBootRootPathPrefixNFS);
-    colon = strchr(start, ':');
-    if (colon == NULL) {
-       return (FALSE);
-    }
-    *colon = '\0';
-    if (inet_aton(start, iaddr_p) != 1) {
-       return (FALSE);
-    }
-
-    /* mount point */
-    start = colon + 1;
-    colon = find_colon(start);
-    *mount_dir = start;
-    if (colon == NULL) {
-       *image_path = NULL;
-    }
-    else {
-       /* image path */
+       static char tmp[MAX_IPv4_STR_LEN]; /* Danger - not thread safe */
+       char *      start;
+       char *      colon;
+
+       if (strncmp(path, kNetBootRootPathPrefixNFS,
+           strlen(kNetBootRootPathPrefixNFS)) != 0) {
+               return FALSE;
+       }
+
+       /* IP address */
+       start = path + strlen(kNetBootRootPathPrefixNFS);
+       colon = strchr(start, ':');
+       if (colon == NULL) {
+               return FALSE;
+       }
        *colon = '\0';
        *colon = '\0';
+       if (inet_aton(start, iaddr_p) != 1) {
+               return FALSE;
+       }
+
+       /* mount point */
        start = colon + 1;
        start = colon + 1;
-       (void)find_colon(start);
-       *image_path = start;
-    }
-    *host = inet_ntop(AF_INET, iaddr_p, tmp, sizeof(tmp));
-    return (TRUE);
+       colon = find_colon(start);
+       *mount_dir = start;
+       if (colon == NULL) {
+               *image_path = NULL;
+       } else {
+               /* image path */
+               *colon = '\0';
+               start = colon + 1;
+               (void)find_colon(start);
+               *image_path = start;
+       }
+       *host = inet_ntop(AF_INET, iaddr_p, tmp, sizeof(tmp));
+       return TRUE;
 }
 
 static boolean_t
 parse_image_path(char * path, struct in_addr * iaddr_p, char const * * host,
 }
 
 static boolean_t
 parse_image_path(char * path, struct in_addr * iaddr_p, char const * * host,
-                char * * mount_dir, char * * image_path)
+    char * * mount_dir, char * * image_path)
 {
 {
-    if (path[0] >= '0' && path[0] <= '9') {
-       return (parse_booter_path(path, iaddr_p, host, mount_dir,
-                                 image_path));
-    }
-    return (parse_netboot_path(path, iaddr_p, host, mount_dir,
-                              image_path));
+       if (path[0] >= '0' && path[0] <= '9') {
+               return parse_booter_path(path, iaddr_p, host, mount_dir,
+                          image_path);
+       }
+       return parse_netboot_path(path, iaddr_p, host, mount_dir,
+                  image_path);
 }
 
 static boolean_t
 get_root_path(char * root_path)
 {
 }
 
 static boolean_t
 get_root_path(char * root_path)
 {
-    void *             entry;
-    boolean_t          found = FALSE;
-    const void *       pkt;
-    int                        pkt_len;
-    
-    entry = IOBSDRegistryEntryForDeviceTree("/chosen");
-    if (entry == NULL) {
-       return (FALSE);
-    }
-    pkt = IOBSDRegistryEntryGetData(entry, BSDP_RESPONSE, &pkt_len);
-    if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
-       printf("netboot: retrieving root path from BSDP response\n");
-    }
-    else {
-       pkt = IOBSDRegistryEntryGetData(entry, BOOTP_RESPONSE, 
-                                       &pkt_len);
+       void *              entry;
+       boolean_t           found = FALSE;
+       const void *        pkt;
+       int                 pkt_len;
+
+       entry = IOBSDRegistryEntryForDeviceTree("/chosen");
+       if (entry == NULL) {
+               return FALSE;
+       }
+       pkt = IOBSDRegistryEntryGetData(entry, BSDP_RESPONSE, &pkt_len);
        if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
        if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
-           printf("netboot: retrieving root path from BOOTP response\n");
+               printf("netboot: retrieving root path from BSDP response\n");
+       } else {
+               pkt = IOBSDRegistryEntryGetData(entry, BOOTP_RESPONSE,
+                   &pkt_len);
+               if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
+                       printf("netboot: retrieving root path from BOOTP response\n");
+               }
        }
        }
-    }
-    if (pkt != NULL) {
-       int                     len;
-       dhcpol_t                options;
-       const char *            path;
-       const struct dhcp *     reply;
-
-       reply = (const struct dhcp *)pkt;
-       (void)dhcpol_parse_packet(&options, reply, pkt_len);
-
-       path = (const char *)dhcpol_find(&options, 
-                                        dhcptag_root_path_e, &len, NULL);
-       if (path) {
-           memcpy(root_path, path, len);
-           root_path[len] = '\0';
-           found = TRUE;
+       if (pkt != NULL) {
+               int                     len;
+               dhcpol_t                options;
+               const char *            path;
+               const struct dhcp *     reply;
+
+               reply = (const struct dhcp *)pkt;
+               (void)dhcpol_parse_packet(&options, reply, pkt_len);
+
+               path = (const char *)dhcpol_find(&options,
+                   dhcptag_root_path_e, &len, NULL);
+               if (path) {
+                       memcpy(root_path, path, len);
+                       root_path[len] = '\0';
+                       found = TRUE;
+               }
        }
        }
-    }
-    IOBSDRegistryEntryRelease(entry);
-    return (found);
-
+       IOBSDRegistryEntryRelease(entry);
+       return found;
 }
 
 static void
 save_path(char * * str_p, int * length_p, char * path)
 {
 }
 
 static void
 save_path(char * * str_p, int * length_p, char * path)
 {
-    *length_p = strlen(path) + 1;
-    *str_p = (char *)kalloc(*length_p);
-    strlcpy(*str_p, path, *length_p);
-    return;
+       *length_p = strlen(path) + 1;
+       *str_p = (char *)kalloc(*length_p);
+       strlcpy(*str_p, path, *length_p);
+       return;
 }
 
 static struct netboot_info *
 netboot_info_init(struct in_addr iaddr)
 {
 }
 
 static struct netboot_info *
 netboot_info_init(struct in_addr iaddr)
 {
-    boolean_t                  have_root_path = FALSE;
-    struct netboot_info *      info = NULL;
-    char *                     root_path = NULL;
-
-    info = (struct netboot_info *)kalloc(sizeof(*info));
-    bzero(info, sizeof(*info));
-    info->client_ip = iaddr;
-    info->image_type = kNetBootImageTypeUnknown;
-
-    /* check for a booter-specified path then a NetBoot path */
-    MALLOC_ZONE(root_path, caddr_t, MAXPATHLEN, M_NAMEI, M_WAITOK);
-    if (root_path  == NULL)
-       panic("netboot_info_init: M_NAMEI zone exhausted");
-    if (PE_parse_boot_argn("rp0", root_path, MAXPATHLEN) == TRUE
-       || PE_parse_boot_argn("rp", root_path, MAXPATHLEN) == TRUE
-       || PE_parse_boot_argn("rootpath", root_path, MAXPATHLEN) == TRUE) {
-       if (imageboot_format_is_valid(root_path)) {
-           printf("netboot_info_init: rp0='%s' isn't a network path,"
-                  " ignoring\n", root_path);
-       }
-       else {
-           have_root_path = TRUE;
-       }
-    }
-    if (have_root_path == FALSE) {
-       have_root_path = get_root_path(root_path);
-    }
-    if (have_root_path) {
-       const char * server_name = NULL;
-       char * mount_point = NULL;
-       char * image_path = NULL;
-       struct in_addr  server_ip;
-
-       if (parse_image_path(root_path, &server_ip, &server_name, 
-                            &mount_point, &image_path)) {
-           info->image_type = kNetBootImageTypeNFS;
-           info->server_ip = server_ip;
-           info->server_name_length = strlen(server_name) + 1;
-           info->server_name = (char *)kalloc(info->server_name_length);
-           info->mount_point_length = strlen(mount_point) + 1;
-           info->mount_point = (char *)kalloc(info->mount_point_length);
-           strlcpy(info->server_name, server_name, info->server_name_length);
-           strlcpy(info->mount_point, mount_point, info->mount_point_length);
-           
-           printf("netboot: NFS Server %s Mount %s", 
-                  server_name, info->mount_point);
-           if (image_path != NULL) {
-               boolean_t       needs_slash = FALSE;
-               
-               info->image_path_length = strlen(image_path) + 1;
-               if (image_path[0] != '/') {
-                   needs_slash = TRUE;
-                   info->image_path_length++;
+       boolean_t                   have_root_path = FALSE;
+       struct netboot_info *       info = NULL;
+       char *                      root_path = NULL;
+
+       info = (struct netboot_info *)kalloc(sizeof(*info));
+       bzero(info, sizeof(*info));
+       info->client_ip = iaddr;
+       info->image_type = kNetBootImageTypeUnknown;
+
+       /* check for a booter-specified path then a NetBoot path */
+       MALLOC_ZONE(root_path, caddr_t, MAXPATHLEN, M_NAMEI, M_WAITOK);
+       if (root_path == NULL) {
+               panic("netboot_info_init: M_NAMEI zone exhausted");
+       }
+       if (PE_parse_boot_argn("rp0", root_path, MAXPATHLEN) == TRUE
+           || PE_parse_boot_argn("rp", root_path, MAXPATHLEN) == TRUE
+           || PE_parse_boot_argn("rootpath", root_path, MAXPATHLEN) == TRUE) {
+               if (imageboot_format_is_valid(root_path)) {
+                       printf("netboot_info_init: rp0='%s' isn't a network path,"
+                           " ignoring\n", root_path);
+               } else {
+                       have_root_path = TRUE;
                }
                }
-               info->image_path = (char *)kalloc(info->image_path_length);
-               if (needs_slash) {
-                       info->image_path[0] = '/';
-                       strlcpy(info->image_path + 1, image_path,
-                                       info->image_path_length - 1);
+       }
+       if (have_root_path == FALSE) {
+               have_root_path = get_root_path(root_path);
+       }
+       if (have_root_path) {
+               const char * server_name = NULL;
+               char * mount_point = NULL;
+               char * image_path = NULL;
+               struct in_addr  server_ip;
+
+               if (parse_image_path(root_path, &server_ip, &server_name,
+                   &mount_point, &image_path)) {
+                       info->image_type = kNetBootImageTypeNFS;
+                       info->server_ip = server_ip;
+                       info->server_name_length = strlen(server_name) + 1;
+                       info->server_name = (char *)kalloc(info->server_name_length);
+                       info->mount_point_length = strlen(mount_point) + 1;
+                       info->mount_point = (char *)kalloc(info->mount_point_length);
+                       strlcpy(info->server_name, server_name, info->server_name_length);
+                       strlcpy(info->mount_point, mount_point, info->mount_point_length);
+
+                       printf("netboot: NFS Server %s Mount %s",
+                           server_name, info->mount_point);
+                       if (image_path != NULL) {
+                               boolean_t       needs_slash = FALSE;
+
+                               info->image_path_length = strlen(image_path) + 1;
+                               if (image_path[0] != '/') {
+                                       needs_slash = TRUE;
+                                       info->image_path_length++;
+                               }
+                               info->image_path = (char *)kalloc(info->image_path_length);
+                               if (needs_slash) {
+                                       info->image_path[0] = '/';
+                                       strlcpy(info->image_path + 1, image_path,
+                                           info->image_path_length - 1);
+                               } else {
+                                       strlcpy(info->image_path, image_path,
+                                           info->image_path_length);
+                               }
+                               printf(" Image %s", info->image_path);
+                       }
+                       printf("\n");
+               } else if (strncmp(root_path, kNetBootRootPathPrefixHTTP,
+                   strlen(kNetBootRootPathPrefixHTTP)) == 0) {
+                       info->image_type = kNetBootImageTypeHTTP;
+                       save_path(&info->image_path, &info->image_path_length,
+                           root_path);
+                       printf("netboot: HTTP URL %s\n", info->image_path);
                } else {
                } else {
-                       strlcpy(info->image_path, image_path,
-                                       info->image_path_length);
+                       printf("netboot: root path uses unrecognized format\n");
                }
                }
-               printf(" Image %s", info->image_path);
-           }
-           printf("\n");
-       }
-       else if (strncmp(root_path, kNetBootRootPathPrefixHTTP, 
-                        strlen(kNetBootRootPathPrefixHTTP)) == 0) {
-           info->image_type = kNetBootImageTypeHTTP;
-           save_path(&info->image_path, &info->image_path_length,
-                     root_path);
-           printf("netboot: HTTP URL %s\n",  info->image_path);
-       }           
-       else {
-           printf("netboot: root path uses unrecognized format\n");
-       }
-
-       /* check for image-within-image */
-       if (info->image_path != NULL) {
-               if (PE_parse_boot_argn(IMAGEBOOT_ROOT_ARG, root_path, MAXPATHLEN)
-                       || PE_parse_boot_argn("rp1", root_path, MAXPATHLEN)) {
-                       /* rp1/root-dmg is the second-level image */
-                       save_path(&info->second_image_path, &info->second_image_path_length, 
-                                       root_path);
+
+               /* check for image-within-image */
+               if (info->image_path != NULL) {
+                       if (PE_parse_boot_argn(IMAGEBOOT_ROOT_ARG, root_path, MAXPATHLEN)
+                           || PE_parse_boot_argn("rp1", root_path, MAXPATHLEN)) {
+                               /* rp1/root-dmg is the second-level image */
+                               save_path(&info->second_image_path, &info->second_image_path_length,
+                                   root_path);
+                       }
+               }
+               if (info->second_image_path != NULL) {
+                       printf("netboot: nested image %s\n", info->second_image_path);
                }
        }
                }
        }
-       if (info->second_image_path != NULL) {
-               printf("netboot: nested image %s\n", info->second_image_path);
-       }
-    }
-    FREE_ZONE(root_path, MAXPATHLEN, M_NAMEI);
-    return (info);
+       FREE_ZONE(root_path, MAXPATHLEN, M_NAMEI);
+       return info;
 }
 
 }
 
-static void 
+static void
 netboot_info_free(struct netboot_info * * info_p)
 {
 netboot_info_free(struct netboot_info * * info_p)
 {
-    struct netboot_info * info = *info_p;
+       struct netboot_info * info = *info_p;
 
 
-    if (info) {
-       if (info->mount_point) {
-           kfree(info->mount_point, info->mount_point_length);
-       }
-       if (info->server_name) {
-           kfree(info->server_name, info->server_name_length);
-       }
-       if (info->image_path) {
-           kfree(info->image_path, info->image_path_length);
-       }
-       if (info->second_image_path) {
-           kfree(info->second_image_path, info->second_image_path_length);
+       if (info) {
+               if (info->mount_point) {
+                       kfree(info->mount_point, info->mount_point_length);
+               }
+               if (info->server_name) {
+                       kfree(info->server_name, info->server_name_length);
+               }
+               if (info->image_path) {
+                       kfree(info->image_path, info->image_path_length);
+               }
+               if (info->second_image_path) {
+                       kfree(info->second_image_path, info->second_image_path_length);
+               }
+               kfree(info, sizeof(*info));
        }
        }
-       kfree(info, sizeof(*info));
-    }
-    *info_p = NULL;
-    return;
+       *info_p = NULL;
+       return;
 }
 
 boolean_t
 netboot_iaddr(struct in_addr * iaddr_p)
 {
 }
 
 boolean_t
 netboot_iaddr(struct in_addr * iaddr_p)
 {
-    if (S_netboot_info_p == NULL)
-       return (FALSE);
+       if (S_netboot_info_p == NULL) {
+               return FALSE;
+       }
 
 
-    *iaddr_p = S_netboot_info_p->client_ip;
-    return (TRUE);
+       *iaddr_p = S_netboot_info_p->client_ip;
+       return TRUE;
 }
 
 boolean_t
 netboot_rootpath(struct in_addr * server_ip,
 }
 
 boolean_t
 netboot_rootpath(struct in_addr * server_ip,
-                char * name, int name_len, 
-                char * path, int path_len)
+    char * name, int name_len,
+    char * path, int path_len)
 {
 {
-    if (S_netboot_info_p == NULL)
-       return (FALSE);
-
-    name[0] = '\0';
-    path[0] = '\0';
-
-    if (S_netboot_info_p->mount_point_length == 0) {
-       return (FALSE);
-    }
-    if (path_len < S_netboot_info_p->mount_point_length) {
-       printf("netboot: path too small %d < %d\n",
-              path_len, S_netboot_info_p->mount_point_length);
-       return (FALSE);
-    }
-    strlcpy(path, S_netboot_info_p->mount_point, path_len);
-    strlcpy(name, S_netboot_info_p->server_name, name_len);
-    *server_ip = S_netboot_info_p->server_ip;
-    return (TRUE);
+       if (S_netboot_info_p == NULL) {
+               return FALSE;
+       }
+
+       name[0] = '\0';
+       path[0] = '\0';
+
+       if (S_netboot_info_p->mount_point_length == 0) {
+               return FALSE;
+       }
+       if (path_len < S_netboot_info_p->mount_point_length) {
+               printf("netboot: path too small %d < %d\n",
+                   path_len, S_netboot_info_p->mount_point_length);
+               return FALSE;
+       }
+       strlcpy(path, S_netboot_info_p->mount_point, path_len);
+       strlcpy(name, S_netboot_info_p->server_name, name_len);
+       *server_ip = S_netboot_info_p->server_ip;
+       return TRUE;
 }
 
 
 static boolean_t
 }
 
 
 static boolean_t
-get_ip_parameters(struct in_addr * iaddr_p, struct in_addr * netmask_p, 
-                  struct in_addr * router_p)
+get_ip_parameters(struct in_addr * iaddr_p, struct in_addr * netmask_p,
+    struct in_addr * router_p)
 {
 {
-    void *             entry;
-    const void *       pkt;
-    int                        pkt_len;
-
-
-    entry = IOBSDRegistryEntryForDeviceTree("/chosen");
-    if (entry == NULL) {
-       return (FALSE);
-    }
-    pkt = IOBSDRegistryEntryGetData(entry, DHCP_RESPONSE, &pkt_len);
-    if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
-       printf("netboot: retrieving IP information from DHCP response\n");
-    }
-    else {
-       pkt = IOBSDRegistryEntryGetData(entry, BOOTP_RESPONSE, &pkt_len);
+       void *              entry;
+       const void *        pkt;
+       int                 pkt_len;
+
+
+       entry = IOBSDRegistryEntryForDeviceTree("/chosen");
+       if (entry == NULL) {
+               return FALSE;
+       }
+       pkt = IOBSDRegistryEntryGetData(entry, DHCP_RESPONSE, &pkt_len);
        if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
        if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
-           printf("netboot: retrieving IP information from BOOTP response\n");
-       }
-    }
-    if (pkt != NULL) {
-       const struct in_addr *  ip;
-       int                     len;
-       dhcpol_t                options;
-       const struct dhcp *     reply;
-
-       reply = (const struct dhcp *)pkt;
-       (void)dhcpol_parse_packet(&options, reply, pkt_len);
-       *iaddr_p = reply->dp_yiaddr;
-       ip = (const struct in_addr *)
-           dhcpol_find(&options, 
-                       dhcptag_subnet_mask_e, &len, NULL);
-       if (ip) {
-           *netmask_p = *ip;
-       }
-       ip = (const struct in_addr *)
-           dhcpol_find(&options, dhcptag_router_e, &len, NULL);
-       if (ip) {
-           *router_p = *ip;
-       }
-    }
-    IOBSDRegistryEntryRelease(entry);
-    return (pkt != NULL);
+               printf("netboot: retrieving IP information from DHCP response\n");
+       } else {
+               pkt = IOBSDRegistryEntryGetData(entry, BOOTP_RESPONSE, &pkt_len);
+               if (pkt != NULL && pkt_len >= (int)sizeof(struct dhcp)) {
+                       printf("netboot: retrieving IP information from BOOTP response\n");
+               }
+       }
+       if (pkt != NULL) {
+               const struct in_addr *  ip;
+               int                     len;
+               dhcpol_t                options;
+               const struct dhcp *     reply;
+
+               reply = (const struct dhcp *)pkt;
+               (void)dhcpol_parse_packet(&options, reply, pkt_len);
+               *iaddr_p = reply->dp_yiaddr;
+               ip = (const struct in_addr *)
+                   dhcpol_find(&options,
+                   dhcptag_subnet_mask_e, &len, NULL);
+               if (ip) {
+                       *netmask_p = *ip;
+               }
+               ip = (const struct in_addr *)
+                   dhcpol_find(&options, dhcptag_router_e, &len, NULL);
+               if (ip) {
+                       *router_p = *ip;
+               }
+       }
+       IOBSDRegistryEntryRelease(entry);
+       return pkt != NULL;
 }
 
 static int
 }
 
 static int
-route_cmd(int cmd, struct in_addr d, struct in_addr g, 
-         struct in_addr m, uint32_t more_flags, unsigned int ifscope)
+route_cmd(int cmd, struct in_addr d, struct in_addr g,
+    struct in_addr m, uint32_t more_flags, unsigned int ifscope)
 {
 {
-    struct sockaddr_in                 dst;
-    int                                error;
-    uint32_t                   flags = RTF_UP | RTF_STATIC;
-    struct sockaddr_in         gw;
-    struct sockaddr_in         mask;
-    
-    flags |= more_flags;
-
-    /* destination */
-    bzero((caddr_t)&dst, sizeof(dst));
-    dst.sin_len = sizeof(dst);
-    dst.sin_family = AF_INET;
-    dst.sin_addr = d;
-
-    /* gateway */
-    bzero((caddr_t)&gw, sizeof(gw));
-    gw.sin_len = sizeof(gw);
-    gw.sin_family = AF_INET;
-    gw.sin_addr = g;
-
-    /* mask */
-    bzero(&mask, sizeof(mask));
-    mask.sin_len = sizeof(mask);
-    mask.sin_family = AF_INET;
-    mask.sin_addr = m;
-
-    error = rtrequest_scoped(cmd, (struct sockaddr *)&dst,
-        (struct sockaddr *)&gw, (struct sockaddr *)&mask, flags, NULL, ifscope);
-
-    return (error);
-
+       struct sockaddr_in          dst;
+       int                         error;
+       uint32_t                    flags = RTF_UP | RTF_STATIC;
+       struct sockaddr_in          gw;
+       struct sockaddr_in          mask;
+
+       flags |= more_flags;
+
+       /* destination */
+       bzero((caddr_t)&dst, sizeof(dst));
+       dst.sin_len = sizeof(dst);
+       dst.sin_family = AF_INET;
+       dst.sin_addr = d;
+
+       /* gateway */
+       bzero((caddr_t)&gw, sizeof(gw));
+       gw.sin_len = sizeof(gw);
+       gw.sin_family = AF_INET;
+       gw.sin_addr = g;
+
+       /* mask */
+       bzero(&mask, sizeof(mask));
+       mask.sin_len = sizeof(mask);
+       mask.sin_family = AF_INET;
+       mask.sin_addr = m;
+
+       error = rtrequest_scoped(cmd, (struct sockaddr *)&dst,
+           (struct sockaddr *)&gw, (struct sockaddr *)&mask, flags, NULL, ifscope);
+
+       return error;
 }
 
 static int
 default_route_add(struct in_addr router, boolean_t proxy_arp)
 {
 }
 
 static int
 default_route_add(struct in_addr router, boolean_t proxy_arp)
 {
-    uint32_t                   flags = 0;
-    struct in_addr             zeroes = { 0 };
-    
-    if (proxy_arp == FALSE) {
-       flags |= RTF_GATEWAY;
-    }
-    return (route_cmd(RTM_ADD, zeroes, router, zeroes, flags, IFSCOPE_NONE));
+       uint32_t                    flags = 0;
+       struct in_addr              zeroes = { 0 };
+
+       if (proxy_arp == FALSE) {
+               flags |= RTF_GATEWAY;
+       }
+       return route_cmd(RTM_ADD, zeroes, router, zeroes, flags, IFSCOPE_NONE);
 }
 
 static int
 host_route_delete(struct in_addr host, unsigned int ifscope)
 {
 }
 
 static int
 host_route_delete(struct in_addr host, unsigned int ifscope)
 {
-    struct in_addr             zeroes = { 0 };
-    
-    return (route_cmd(RTM_DELETE, host, zeroes, zeroes, RTF_HOST, ifscope));
+       struct in_addr              zeroes = { 0 };
+
+       return route_cmd(RTM_DELETE, host, zeroes, zeroes, RTF_HOST, ifscope);
 }
 
 static struct ifnet *
 find_interface(void)
 {
 }
 
 static struct ifnet *
 find_interface(void)
 {
-    struct ifnet *             ifp = NULL;
+       struct ifnet *              ifp = NULL;
 
 
-    dlil_if_lock();
-    if (rootdevice[0]) {
+       dlil_if_lock();
+       if (rootdevice[0]) {
                ifp = ifunit((char *)rootdevice);
                ifp = ifunit((char *)rootdevice);
-    }
-    if (ifp == NULL) {
+       }
+       if (ifp == NULL) {
                ifnet_head_lock_shared();
                TAILQ_FOREACH(ifp, &ifnet_head, if_link)
                ifnet_head_lock_shared();
                TAILQ_FOREACH(ifp, &ifnet_head, if_link)
-                       if ((ifp->if_flags & (IFF_LOOPBACK|IFF_POINTOPOINT)) == 0)
-                               break;
+               if ((ifp->if_flags & (IFF_LOOPBACK | IFF_POINTOPOINT)) == 0) {
+                       break;
+               }
                ifnet_head_done();
                ifnet_head_done();
-    }
-    dlil_if_unlock();
-    return (ifp);
+       }
+       dlil_if_unlock();
+       return ifp;
 }
 
 static const struct sockaddr_in blank_sin = {
 }
 
 static const struct sockaddr_in blank_sin = {
-    sizeof(struct sockaddr_in),
-    AF_INET,
-    0,
-    { 0 },
-    { 0, 0, 0, 0, 0, 0, 0, 0 }
+       sizeof(struct sockaddr_in),
+       AF_INET,
+       0,
+       { 0 },
+       { 0, 0, 0, 0, 0, 0, 0, 0 }
 };
 
 static int
 inet_aifaddr(struct socket * so, const char * name,
 };
 
 static int
 inet_aifaddr(struct socket * so, const char * name,
-            const struct in_addr * addr,
-            const struct in_addr * mask,
-            const struct in_addr * broadcast)
+    const struct in_addr * addr,
+    const struct in_addr * mask,
+    const struct in_addr * broadcast)
 {
 {
-    struct ifaliasreq  ifra;
-
-    bzero(&ifra, sizeof(ifra));
-    strlcpy(ifra.ifra_name, name, sizeof(ifra.ifra_name));
-    if (addr) {
-       *((struct sockaddr_in *)(void *)&ifra.ifra_addr) = blank_sin;
-       ((struct sockaddr_in *)(void *)&ifra.ifra_addr)->sin_addr = *addr;
-    }
-    if (mask) {
-       *((struct sockaddr_in *)(void *)&ifra.ifra_mask) = blank_sin;
-       ((struct sockaddr_in *)(void *)&ifra.ifra_mask)->sin_addr = *mask;
-    }
-    if (broadcast) {
-       *((struct sockaddr_in *)(void *)&ifra.ifra_broadaddr) = blank_sin;
-       ((struct sockaddr_in *)(void *)&ifra.ifra_broadaddr)->sin_addr = *broadcast;
-    }
-    return (ifioctl(so, SIOCAIFADDR, (caddr_t)&ifra, current_proc()));
+       struct ifaliasreq   ifra;
+
+       bzero(&ifra, sizeof(ifra));
+       strlcpy(ifra.ifra_name, name, sizeof(ifra.ifra_name));
+       if (addr) {
+               *((struct sockaddr_in *)(void *)&ifra.ifra_addr) = blank_sin;
+               ((struct sockaddr_in *)(void *)&ifra.ifra_addr)->sin_addr = *addr;
+       }
+       if (mask) {
+               *((struct sockaddr_in *)(void *)&ifra.ifra_mask) = blank_sin;
+               ((struct sockaddr_in *)(void *)&ifra.ifra_mask)->sin_addr = *mask;
+       }
+       if (broadcast) {
+               *((struct sockaddr_in *)(void *)&ifra.ifra_broadaddr) = blank_sin;
+               ((struct sockaddr_in *)(void *)&ifra.ifra_broadaddr)->sin_addr = *broadcast;
+       }
+       return ifioctl(so, SIOCAIFADDR, (caddr_t)&ifra, current_proc());
 }
 
 
 int
 netboot_mountroot(void)
 {
 }
 
 
 int
 netboot_mountroot(void)
 {
-    int                        error = 0;
-    struct in_addr             iaddr = { 0 };
-    struct ifreq               ifr;
-    struct ifnet *             ifp;
-    struct in_addr             netmask = { 0 };
-    proc_t                     procp = current_proc();
-    struct in_addr             router = { 0 };
-    struct socket *            so = NULL;
-    unsigned int               try;
-
-    bzero(&ifr, sizeof(ifr));
-
-    /* find the interface */
-    ifp = find_interface();
-    if (ifp == NULL) {
-       printf("netboot: no suitable interface\n");
-       error = ENXIO;
-       goto failed;
-    }
-    snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", if_name(ifp));
-    printf("netboot: using network interface '%s'\n", ifr.ifr_name);
-
-    /* bring it up */
-    if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0)) != 0) {
-       printf("netboot: socreate, error=%d\n", error);
-       goto failed;
-    }
-    ifr.ifr_flags = ifp->if_flags | IFF_UP;
-    error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)&ifr, procp);
-    if (error) {
-       printf("netboot: SIFFLAGS, error=%d\n", error);
-       goto failed;
-    }
-
-    /* grab information from the registry */
-    if (get_ip_parameters(&iaddr, &netmask, &router) == FALSE) {
-       printf("netboot: can't retrieve IP parameters\n");
-       goto failed;
-    }
-    printf("netboot: IP address " IP_FORMAT, IP_LIST(&iaddr));
-    if (netmask.s_addr) {
-       printf(" netmask " IP_FORMAT, IP_LIST(&netmask));
-    }
-    if (router.s_addr) {
-       printf(" router " IP_FORMAT, IP_LIST(&router));
-    }
-    printf("\n");
-    error = inet_aifaddr(so, ifr.ifr_name, &iaddr, &netmask, NULL);
-    if (error) {
-       printf("netboot: inet_aifaddr failed, %d\n", error);
-       goto failed;
-    }
-    if (router.s_addr == 0) {
-       /* enable proxy arp if we don't have a router */
-       router.s_addr = iaddr.s_addr;
-    }
-    printf("netboot: adding default route " IP_FORMAT "\n", 
-          IP_LIST(&router));
-    error = default_route_add(router, router.s_addr == iaddr.s_addr);
-    if (error) {
-       printf("netboot: default_route_add failed %d\n", error);
-    }
-
-    soclose(so);
-
-    S_netboot_info_p = netboot_info_init(iaddr);
-    switch (S_netboot_info_p->image_type) {
-    default:
-    case kNetBootImageTypeNFS:
-       for (try = 1; TRUE; try++) {
-           error = nfs_mountroot();
-           if (error == 0) {
-               break;
-           }
-           printf("netboot: nfs_mountroot() attempt %u failed; "
-                  "clearing ARP entry and trying again\n", try);
-           /* 
-            * error is either EHOSTDOWN or EHOSTUNREACH, which likely means
-            * that the port we're plugged into has spanning tree enabled,
-            * and either the router or the server can't answer our ARP
-            * requests.  Clear the incomplete ARP entry by removing the
-            * appropriate route, depending on the error code:
-            *     EHOSTDOWN            NFS server's route
-            *     EHOSTUNREACH         router's route
-            */
-           switch (error) {
-           default:
-               /* NOT REACHED */
-           case EHOSTDOWN:
-               /* remove the server's arp entry */
-               error = host_route_delete(S_netboot_info_p->server_ip,
-                                         ifp->if_index);
-               if (error) {
-                   printf("netboot: host_route_delete(" IP_FORMAT
-                          ") failed %d\n", 
-                          IP_LIST(&S_netboot_info_p->server_ip), error);
+       int                         error = 0;
+       struct in_addr              iaddr = { 0 };
+       struct ifreq                ifr;
+       struct ifnet *              ifp;
+       struct in_addr              netmask = { 0 };
+       proc_t                      procp = current_proc();
+       struct in_addr              router = { 0 };
+       struct socket *             so = NULL;
+       unsigned int                try;
+
+       bzero(&ifr, sizeof(ifr));
+
+       /* find the interface */
+       ifp = find_interface();
+       if (ifp == NULL) {
+               printf("netboot: no suitable interface\n");
+               error = ENXIO;
+               goto failed;
+       }
+       snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", if_name(ifp));
+       printf("netboot: using network interface '%s'\n", ifr.ifr_name);
+
+       /* bring it up */
+       if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0)) != 0) {
+               printf("netboot: socreate, error=%d\n", error);
+               goto failed;
+       }
+       ifr.ifr_flags = ifp->if_flags | IFF_UP;
+       error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)&ifr, procp);
+       if (error) {
+               printf("netboot: SIFFLAGS, error=%d\n", error);
+               goto failed;
+       }
+
+       /* grab information from the registry */
+       if (get_ip_parameters(&iaddr, &netmask, &router) == FALSE) {
+               printf("netboot: can't retrieve IP parameters\n");
+               goto failed;
+       }
+       printf("netboot: IP address " IP_FORMAT, IP_LIST(&iaddr));
+       if (netmask.s_addr) {
+               printf(" netmask " IP_FORMAT, IP_LIST(&netmask));
+       }
+       if (router.s_addr) {
+               printf(" router " IP_FORMAT, IP_LIST(&router));
+       }
+       printf("\n");
+       error = inet_aifaddr(so, ifr.ifr_name, &iaddr, &netmask, NULL);
+       if (error) {
+               printf("netboot: inet_aifaddr failed, %d\n", error);
+               goto failed;
+       }
+       if (router.s_addr == 0) {
+               /* enable proxy arp if we don't have a router */
+               router.s_addr = iaddr.s_addr;
+       }
+       printf("netboot: adding default route " IP_FORMAT "\n",
+           IP_LIST(&router));
+       error = default_route_add(router, router.s_addr == iaddr.s_addr);
+       if (error) {
+               printf("netboot: default_route_add failed %d\n", error);
+       }
+
+       soclose(so);
+
+       S_netboot_info_p = netboot_info_init(iaddr);
+       switch (S_netboot_info_p->image_type) {
+       default:
+       case kNetBootImageTypeNFS:
+               for (try = 1; TRUE; try++) {
+                       error = nfs_mountroot();
+                       if (error == 0) {
+                               break;
+                       }
+                       printf("netboot: nfs_mountroot() attempt %u failed; "
+                           "clearing ARP entry and trying again\n", try);
+                       /*
+                        * error is either EHOSTDOWN or EHOSTUNREACH, which likely means
+                        * that the port we're plugged into has spanning tree enabled,
+                        * and either the router or the server can't answer our ARP
+                        * requests.  Clear the incomplete ARP entry by removing the
+                        * appropriate route, depending on the error code:
+                        *     EHOSTDOWN                NFS server's route
+                        *     EHOSTUNREACH             router's route
+                        */
+                       switch (error) {
+                       default:
+                       /* NOT REACHED */
+                       case EHOSTDOWN:
+                               /* remove the server's arp entry */
+                               error = host_route_delete(S_netboot_info_p->server_ip,
+                                   ifp->if_index);
+                               if (error) {
+                                       printf("netboot: host_route_delete(" IP_FORMAT
+                                           ") failed %d\n",
+                                           IP_LIST(&S_netboot_info_p->server_ip), error);
+                               }
+                               break;
+                       case EHOSTUNREACH:
+                               error = host_route_delete(router, ifp->if_index);
+                               if (error) {
+                                       printf("netboot: host_route_delete(" IP_FORMAT
+                                           ") failed %d\n", IP_LIST(&router), error);
+                               }
+                               break;
+                       }
                }
                break;
                }
                break;
-           case EHOSTUNREACH:
-               error = host_route_delete(router, ifp->if_index);
-               if (error) {
-                   printf("netboot: host_route_delete(" IP_FORMAT
-                          ") failed %d\n", IP_LIST(&router), error);
-               }
+       case kNetBootImageTypeHTTP:
+               error = netboot_setup();
                break;
                break;
-           }
-       }
-       break;
-    case kNetBootImageTypeHTTP:
-       error = netboot_setup();
-       break;
-    }
-    if (error == 0) {
-       S_netboot = 1;
-    }
-    else {
-       S_netboot = 0;
-    }
-    return (error);
+       }
+       if (error == 0) {
+               S_netboot = 1;
+       } else {
+               S_netboot = 0;
+       }
+       return error;
 failed:
 failed:
-    if (so != NULL) {
-       soclose(so);
-    }
-    return (error);
+       if (so != NULL) {
+               soclose(so);
+       }
+       return error;
 }
 
 int
 netboot_setup()
 {
 }
 
 int
 netboot_setup()
 {
-    int        error = 0;
-
-    if (S_netboot_info_p == NULL
-       || S_netboot_info_p->image_path == NULL) {
-       goto done;
-    }
-    printf("netboot_setup: calling imageboot_mount_image\n");
-    error = imageboot_mount_image(S_netboot_info_p->image_path, -1);
-    if (error != 0) {
-       printf("netboot: failed to mount root image, %d\n", error);
-    }
-    else if (S_netboot_info_p->second_image_path != NULL) {
-       error = imageboot_mount_image(S_netboot_info_p->second_image_path, 0);
+       int         error = 0;
+
+       if (S_netboot_info_p == NULL
+           || S_netboot_info_p->image_path == NULL) {
+               goto done;
+       }
+       printf("netboot_setup: calling imageboot_mount_image\n");
+       error = imageboot_mount_image(S_netboot_info_p->image_path, -1);
        if (error != 0) {
        if (error != 0) {
-           printf("netboot: failed to mount second root image, %d\n", error);
+               printf("netboot: failed to mount root image, %d\n", error);
+       } else if (S_netboot_info_p->second_image_path != NULL) {
+               error = imageboot_mount_image(S_netboot_info_p->second_image_path, 0);
+               if (error != 0) {
+                       printf("netboot: failed to mount second root image, %d\n", error);
+               }
        }
        }
-    }
 
 
- done:
-    netboot_info_free(&S_netboot_info_p);
-    return (error);
+done:
+       netboot_info_free(&S_netboot_info_p);
+       return error;
 }
 
 int
 netboot_root(void)
 {
 }
 
 int
 netboot_root(void)
 {
-    return (S_netboot);
+       return S_netboot;
 }
 }