experimental support for loongson mips64el uefi

GRUB2/MOD_SRC/grub-2.04/util/grub-mknetdir.c

+/*
+  * Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2013  Free Software Foundation, Inc.
+  *
+  * GRUB is free software: you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+  * the Free Software Foundation, either version 3 of the License, or
+  * (at your option) any later version.
+  *
+  * GRUB is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <grub/util/install.h>
+#include <grub/emu/config.h>
+#include <grub/util/misc.h>
+
+#include <string.h>
+#include <errno.h>
+
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"
+#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#include <argp.h>
+#pragma GCC diagnostic error "-Wmissing-prototypes"
+#pragma GCC diagnostic error "-Wmissing-declarations"
+
+static char *rootdir = NULL, *subdir = NULL;
+static char *debug_image = NULL;
+
+enum
+  {
+    OPTION_NET_DIRECTORY = 0x301,
+    OPTION_SUBDIR,
+    OPTION_DEBUG,
+    OPTION_DEBUG_IMAGE
+  };
+
+static struct argp_option options[] = {
+  GRUB_INSTALL_OPTIONS,
+  {"net-directory", OPTION_NET_DIRECTORY, N_("DIR"),
+   0, N_("root directory of TFTP server"), 2},
+  {"subdir", OPTION_SUBDIR, N_("DIR"),
+   0, N_("relative subdirectory on network server"), 2},
+  {"debug", OPTION_DEBUG, 0, OPTION_HIDDEN, 0, 2},
+  {"debug-image", OPTION_DEBUG_IMAGE, N_("STRING"), OPTION_HIDDEN, 0, 2},
+  {0, 0, 0, 0, 0, 0}
+};
+
+static error_t 
+argp_parser (int key, char *arg, struct argp_state *state)
+{
+  if (grub_install_parse (key, arg))
+    return 0;
+  switch (key)
+    {
+    case OPTION_NET_DIRECTORY:
+      free (rootdir);
+      rootdir = xstrdup (arg);
+      return 0;
+    case OPTION_SUBDIR:
+      free (subdir);
+      subdir = xstrdup (arg);
+      return 0;
+      /* This is an undocumented feature...  */
+    case OPTION_DEBUG:
+      verbosity++;
+      return 0;
+    case OPTION_DEBUG_IMAGE:
+      free (debug_image);
+      debug_image = xstrdup (arg);
+      return 0;
+
+    case ARGP_KEY_ARG:
+    default:
+      return ARGP_ERR_UNKNOWN;
+    }
+}
+
+
+struct argp argp = {
+  options, argp_parser, NULL,
+  "\v"N_("Prepares GRUB network boot images at net_directory/subdir "
+	 "assuming net_directory being TFTP root."), 
+  NULL, grub_install_help_filter, NULL
+};
+
+static char *base;
+
+static const struct
+{
+  const char *mkimage_target;
+  const char *netmodule;
+  const char *ext;
+} targets[GRUB_INSTALL_PLATFORM_MAX] =
+  {
+    [GRUB_INSTALL_PLATFORM_I386_PC] = { "i386-pc-pxe", "pxe", ".0" },
+    [GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275] = { "sparc64-ieee1275-aout", "ofnet", ".img" },
+    [GRUB_INSTALL_PLATFORM_I386_IEEE1275] = { "i386-ieee1275", "ofnet", ".elf" },
+    [GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275] = { "powerpc-ieee1275", "ofnet", ".elf" },
+    [GRUB_INSTALL_PLATFORM_I386_EFI] = { "i386-efi", "efinet", ".efi" },
+    [GRUB_INSTALL_PLATFORM_X86_64_EFI] = { "x86_64-efi", "efinet", ".efi" },
+    [GRUB_INSTALL_PLATFORM_IA64_EFI] = { "ia64-efi", "efinet", ".efi" },
+    [GRUB_INSTALL_PLATFORM_ARM_EFI] = { "arm-efi", "efinet", ".efi" },
+    [GRUB_INSTALL_PLATFORM_ARM64_EFI] = { "arm64-efi", "efinet", ".efi" },
+	[GRUB_INSTALL_PLATFORM_MIPS64EL_EFI] = { "mips64el-efi", "efinet", ".efi" },
+    [GRUB_INSTALL_PLATFORM_RISCV32_EFI] = { "riscv32-efi", "efinet", ".efi" },
+    [GRUB_INSTALL_PLATFORM_RISCV64_EFI] = { "riscv64-efi", "efinet", ".efi" },
+  };
+
+static void
+process_input_dir (const char *input_dir, enum grub_install_plat platform)
+{
+  char *platsub = grub_install_get_platform_name (platform);
+  char *grubdir = grub_util_path_concat (3, rootdir, subdir, platsub);
+  char *load_cfg = grub_util_path_concat (2, grubdir, "load.cfg");
+  char *prefix;
+  char *output;
+  char *grub_cfg;
+  FILE *cfg;
+
+  grub_install_copy_files (input_dir, base, platform);
+  grub_util_unlink (load_cfg);
+
+  if (debug_image)
+    {
+      FILE *f = grub_util_fopen (load_cfg, "wb");
+      if (!f)
+	grub_util_error (_("cannot open `%s': %s"), load_cfg,
+			 strerror (errno));
+      fprintf (f, "set debug='%s'\n", debug_image);
+      fclose (f);
+    }
+  else
+    {
+      free (load_cfg);
+      load_cfg = 0;
+    }
+
+  prefix = xasprintf ("/%s", subdir);
+  if (!targets[platform].mkimage_target)
+    grub_util_error (_("unsupported platform %s"), platsub);
+
+  grub_cfg = grub_util_path_concat (2, grubdir, "grub.cfg");
+  cfg = grub_util_fopen (grub_cfg, "wb");
+  if (!cfg)
+    grub_util_error (_("cannot open `%s': %s"), grub_cfg,
+		     strerror (errno));
+  fprintf (cfg, "source %s/grub.cfg", subdir);
+  fclose (cfg);
+
+  grub_install_push_module (targets[platform].netmodule);
+
+  output = grub_util_path_concat_ext (2, grubdir, "core", targets[platform].ext);
+  grub_install_make_image_wrap (input_dir, prefix, output,
+				0, load_cfg,
+				targets[platform].mkimage_target, 0);
+  grub_install_pop_module ();
+
+  /* TRANSLATORS: First %s is replaced by platform name. Second one by filename.  */
+  printf (_("Netboot directory for %s created. Configure your DHCP server to point to %s\n"),
+	  platsub, output);
+
+  free (platsub);
+  free (output);
+  free (prefix);
+  free (grub_cfg);
+  free (grubdir);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  const char *pkglibdir;
+
+  grub_util_host_init (&argc, &argv);
+  grub_util_disable_fd_syncs ();
+  rootdir = xstrdup ("/srv/tftp");
+  pkglibdir = grub_util_get_pkglibdir ();
+
+  subdir = grub_util_path_concat (2, GRUB_BOOT_DIR_NAME, GRUB_DIR_NAME);
+
+  argp_parse (&argp, argc, argv, 0, 0, 0);
+
+  base = grub_util_path_concat (2, rootdir, subdir);
+  /* Create the GRUB directory if it is not present.  */
+
+  grub_install_mkdir_p (base);
+
+  grub_install_push_module ("tftp");
+
+  if (!grub_install_source_directory)
+    {
+      enum grub_install_plat plat;
+
+      for (plat = 0; plat < GRUB_INSTALL_PLATFORM_MAX; plat++)
+	if (targets[plat].mkimage_target)
+	  {
+	    char *platdir = grub_util_path_concat (2, pkglibdir,
+						   grub_install_get_platform_name (plat));
+
+	    grub_util_info ("Looking for `%s'", platdir);
+
+	    if (!grub_util_is_directory (platdir))
+	      {
+		free (platdir);
+		continue;
+	      }
+	    process_input_dir (platdir, plat);
+	  }
+    }
+  else
+    {
+      enum grub_install_plat plat;
+      plat = grub_install_get_target (grub_install_source_directory);
+      process_input_dir (grub_install_source_directory, plat);
+    }
+  return 0;
+}

GRUB2/MOD_SRC/grub-2.04/util/grub-mkrescue.c

+/*
+ *  Make GRUB rescue image
+ *
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <grub/util/install.h>
+#include <grub/util/misc.h>
+#include <grub/emu/exec.h>
+#include <grub/emu/config.h>
+#include <grub/emu/hostdisk.h>
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"
+#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#include <argp.h>
+#pragma GCC diagnostic error "-Wmissing-prototypes"
+#pragma GCC diagnostic error "-Wmissing-declarations"
+
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <string.h>
+#include <time.h>
+
+static char *source_dirs[GRUB_INSTALL_PLATFORM_MAX];
+static char *rom_directory;
+static char *label_font;
+static char *label_color;
+static char *label_bgcolor;
+static char *product_name;
+static char *product_version;
+static char *output_image;
+static char *xorriso;
+static char *boot_grub;
+static int xorriso_argc;
+static int xorriso_arg_alloc;
+static char **xorriso_argv;
+static char *iso_uuid;
+static char *iso9660_dir;
+
+static void
+xorriso_push (const char *val)
+{
+  if (xorriso_arg_alloc <= xorriso_argc + 1)
+    {
+      xorriso_arg_alloc = 2 * (4 + xorriso_argc);
+      xorriso_argv = xrealloc (xorriso_argv,
+			       sizeof (xorriso_argv[0])
+			       * xorriso_arg_alloc);
+    }
+  xorriso_argv[xorriso_argc++] = xstrdup (val);
+}
+
+static void
+xorriso_link (const char *from, const char *to)
+{
+  char *tof = grub_util_path_concat (2, iso9660_dir, to);
+  char *val = xasprintf ("%s=%s", from, tof);
+  xorriso_push (val);
+  free (val);
+  free (tof);
+}
+
+enum
+  {
+    OPTION_OUTPUT = 'o',
+    OPTION_ROM_DIRECTORY = 0x301,
+    OPTION_XORRISO,
+    OPTION_GLUE_EFI,
+    OPTION_RENDER_LABEL,
+    OPTION_LABEL_FONT,
+    OPTION_LABEL_COLOR,
+    OPTION_LABEL_BGCOLOR,
+    OPTION_PRODUCT_NAME,
+    OPTION_PRODUCT_VERSION,
+    OPTION_SPARC_BOOT,
+    OPTION_ARCS_BOOT
+  };
+
+static struct argp_option options[] = {
+  GRUB_INSTALL_OPTIONS,
+  {"output", 'o', N_("FILE"),
+   0, N_("save output in FILE [required]"), 2},
+  {"rom-directory", OPTION_ROM_DIRECTORY, N_("DIR"),
+   0, N_("save ROM images in DIR [optional]"), 2},
+  {"xorriso", OPTION_XORRISO, N_("FILE"),
+   /* TRANSLATORS: xorriso is a program for creating ISOs and burning CDs.  */
+   0, N_("use FILE as xorriso [optional]"), 2},
+  {"grub-glue-efi", OPTION_GLUE_EFI, N_("FILE"), OPTION_HIDDEN, 0, 2},
+  {"grub-render-label", OPTION_RENDER_LABEL, N_("FILE"), OPTION_HIDDEN, 0, 2},
+  {"label-font", OPTION_LABEL_FONT, N_("FILE"), 0, N_("use FILE as font for label"), 2},
+  {"label-color", OPTION_LABEL_COLOR, N_("COLOR"), 0, N_("use COLOR for label"), 2},
+  {"label-bgcolor", OPTION_LABEL_BGCOLOR, N_("COLOR"), 0, N_("use COLOR for label background"), 2},
+  {"product-name", OPTION_PRODUCT_NAME, N_("STRING"), 0, N_("use STRING as product name"), 2},
+  {"product-version", OPTION_PRODUCT_VERSION, N_("STRING"), 0, N_("use STRING as product version"), 2},
+  {"sparc-boot", OPTION_SPARC_BOOT, 0, 0, N_("enable sparc boot. Disables HFS+, APM, ARCS and boot as disk image for i386-pc"), 2},
+  {"arcs-boot", OPTION_ARCS_BOOT, 0, 0, N_("enable ARCS (big-endian mips machines, mostly SGI) boot. Disables HFS+, APM, sparc64 and boot as disk image for i386-pc"), 2},
+  {0, 0, 0, 0, 0, 0}
+};
+
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+
+static char *
+help_filter (int key, const char *text, void *input __attribute__ ((unused)))
+{
+  switch (key)
+    {
+    case ARGP_KEY_HELP_PRE_DOC:
+      /* TRANSLATORS: it generates one single image which is bootable through any method. */
+      return strdup (_("Make GRUB CD-ROM, disk, pendrive and floppy bootable image."));
+    case ARGP_KEY_HELP_POST_DOC:
+      {
+	char *p1, *out;
+
+	p1 = xasprintf (_("Generates a bootable CD/USB/floppy image.  Arguments other than options to this program"
+      " are passed to xorriso, and indicate source files, source directories, or any of the "
+      "mkisofs options listed by the output of `%s'."), "xorriso -as mkisofs -help");
+	out = xasprintf ("%s\n\n%s\n\n%s", p1,
+	  _("Option -- switches to native xorriso command mode."),
+	  _("Mail xorriso support requests to <bug-xorriso@gnu.org>."));
+	free (p1);
+	return out;
+      }
+    default:
+      return grub_install_help_filter (key, text, input);
+    }
+}
+
+#pragma GCC diagnostic error "-Wformat-nonliteral"
+
+enum {
+  SYS_AREA_AUTO,
+  SYS_AREA_COMMON,
+  SYS_AREA_SPARC,
+  SYS_AREA_ARCS
+} system_area = SYS_AREA_AUTO;
+
+static error_t 
+argp_parser (int key, char *arg, struct argp_state *state)
+{
+  if (grub_install_parse (key, arg))
+    return 0;
+  switch (key)
+    {
+    case OPTION_OUTPUT:
+      free (output_image);
+      output_image = xstrdup (arg);
+      return 0;
+    case OPTION_ROM_DIRECTORY:
+      free (rom_directory);
+      rom_directory = xstrdup (arg);
+      return 0;
+
+      /*
+       FIXME:
+    # Intentionally undocumented
+    --grub-mkimage-extra)
+	mkimage_extra_arg="$mkimage_extra_arg `argument $option "$@"`"; shift ;;
+    --grub-mkimage-extra=*)
+	mkimage_extra_arg="$mkimage_extra_arg `echo "$option" | sed 's/--grub-mkimage-extra=//'`" ;;
+      */
+    case OPTION_SPARC_BOOT:
+      system_area = SYS_AREA_SPARC;
+      return 0;
+    case OPTION_ARCS_BOOT:
+      system_area = SYS_AREA_ARCS;
+      return 0;
+    case OPTION_PRODUCT_NAME:
+      free (product_name);
+      product_name = xstrdup (arg);
+      return 0;
+    case OPTION_PRODUCT_VERSION:
+      free (product_version);
+      product_version = xstrdup (arg);
+      return 0;
+      /* Accept and ignore for compatibility.  */
+    case OPTION_GLUE_EFI:
+    case OPTION_RENDER_LABEL:
+      return 0;
+    case OPTION_LABEL_FONT:
+      free (label_font);
+      label_font = xstrdup (arg);
+      return 0;
+
+    case OPTION_LABEL_COLOR:
+      free (label_color);
+      label_color = xstrdup (arg);
+      return 0;
+
+    case OPTION_LABEL_BGCOLOR:
+      free (label_bgcolor);
+      label_bgcolor = xstrdup (arg);
+      return 0;
+
+    case OPTION_XORRISO:
+      free (xorriso);
+      xorriso = xstrdup (arg);
+      return 0;
+
+    default:
+      return ARGP_ERR_UNKNOWN;
+    }
+}
+
+struct argp argp = {
+  options, argp_parser, N_("[OPTION] SOURCE..."),
+  NULL, NULL, help_filter, NULL
+};
+
+static void
+write_part (FILE *f, const char *srcdir)
+{
+  FILE *in;
+  char *inname = grub_util_path_concat (2, srcdir, "partmap.lst");
+  char buf[260];
+  in = grub_util_fopen (inname, "rb");
+  if (!in)
+    return;
+  while (fgets (buf, 256, in))
+    {
+      char *ptr;
+      for (ptr = buf + strlen (buf) - 1;
+	   ptr >= buf && (*ptr == '\n' || *ptr == '\r');
+	   ptr--);
+      ptr[1] = '\0';
+      fprintf (f, "insmod %s\n", buf);
+    }
+  fclose (in);
+}
+
+static void
+make_image_abs (enum grub_install_plat plat,
+		const char *mkimage_target,
+		const char *output)
+{
+  char *load_cfg;
+  FILE *load_cfg_f;
+
+  if (!source_dirs[plat])
+    return;
+
+  grub_util_info (N_("enabling %s support ..."),
+		  mkimage_target);
+
+  load_cfg = grub_util_make_temporary_file ();
+
+  load_cfg_f = grub_util_fopen (load_cfg, "wb");
+  fprintf (load_cfg_f, "search --fs-uuid --set=root %s\n", iso_uuid);
+  fprintf (load_cfg_f, "set prefix=(${root})/boot/grub\n");
+
+  write_part (load_cfg_f, source_dirs[plat]);
+  fclose (load_cfg_f);
+
+  grub_install_push_module ("search");
+  grub_install_push_module ("iso9660");
+  grub_install_make_image_wrap (source_dirs[plat], "/boot/grub", output,
+				0, load_cfg,
+				mkimage_target, 0);
+  grub_install_pop_module ();
+  grub_install_pop_module ();
+  grub_util_unlink (load_cfg);
+}
+
+static void
+make_image (enum grub_install_plat plat,
+	    const char *mkimage_target,
+	    const char *output_sub)
+{
+  char *out = grub_util_path_concat (2, boot_grub, output_sub);
+  make_image_abs (plat, mkimage_target, out);
+  free (out);
+}
+
+static void
+make_image_fwdisk_abs (enum grub_install_plat plat,
+		       const char *mkimage_target,
+		       const char *output)
+{
+  char *load_cfg;
+  FILE *load_cfg_f;
+
+  if (!source_dirs[plat])
+    return;
+
+  grub_util_info (N_("enabling %s support ..."),
+		  mkimage_target);
+
+  load_cfg = grub_util_make_temporary_file ();
+
+  load_cfg_f = grub_util_fopen (load_cfg, "wb");
+  write_part (load_cfg_f, source_dirs[plat]);
+  fclose (load_cfg_f);
+
+  grub_install_push_module ("iso9660");
+  grub_install_make_image_wrap (source_dirs[plat], "()/boot/grub", output,
+				0, load_cfg, mkimage_target, 0);
+  grub_install_pop_module ();
+  grub_util_unlink (load_cfg);
+}
+
+static int
+check_xorriso (const char *val)
+{
+  const char *argv[5];
+  int fd;
+  pid_t pid;
+  FILE *mdadm;
+  char *buf = NULL;
+  size_t len = 0;
+  int ret = 0;
+  int wstatus = 0;
+
+  argv[0] = xorriso;
+  argv[1] = "-as";
+  argv[2] = "mkisofs";
+  argv[3] = "-help";
+  argv[4] = NULL;
+
+  pid = grub_util_exec_pipe_stderr (argv, &fd);
+
+  if (!pid)
+    return 0;
+
+  /* Parent.  Read mdadm's output.  */
+  mdadm = fdopen (fd, "r");
+  if (! mdadm)
+    return 0;
+
+  while (getline (&buf, &len, mdadm) > 0)
+    {
+      if (grub_strstr (buf, val))
+	ret = 1;
+    }
+
+  close (fd);
+  waitpid (pid, &wstatus, 0);
+  free (buf);
+  if (!WIFEXITED (wstatus) || WEXITSTATUS(wstatus) != 0)
+    return 0;
+  return ret;
+}
+
+static void
+make_image_fwdisk (enum grub_install_plat plat,
+		   const char *mkimage_target,
+		   const char *output_sub)
+{
+  char *out = grub_util_path_concat (2, boot_grub, output_sub);
+  make_image_fwdisk_abs (plat, mkimage_target, out);
+  free (out);
+}
+
+static int
+option_is_end (const struct argp_option *opt)
+{
+  return !opt->key && !opt->name && !opt->doc && !opt->group;
+}
+
+
+static int
+args_to_eat (const char *arg)
+{
+  int j;
+
+  if (arg[0] != '-')
+    return 0;
+
+  if (arg[1] == '-')
+    {
+      for (j = 0; !option_is_end(&options[j]); j++)
+	{
+	  size_t len = strlen (options[j].name);
+	  if (strncmp (arg + 2, options[j].name, len) == 0)
+	    {
+	      if (arg[2 + len] == '=')
+		return 1;
+	      if (arg[2 + len] == '\0' && options[j].arg)
+		return 2;
+	      if (arg[2 + len] == '\0')
+		return 1;
+	    }
+	}
+      if (strcmp (arg, "--help") == 0)
+	return 1;
+      if (strcmp (arg, "--usage") == 0)
+	return 1;
+      if (strcmp (arg, "--version") == 0)
+	return 1;
+      return 0;
+    }
+  if (arg[2] && arg[3])
+    return 0;
+  for (j = 0; !option_is_end(&options[j]); j++)
+    {
+      if (options[j].key > 0 && options[j].key < 128 && arg[1] == options[j].key)
+	{
+	  if (options[j].arg)
+	    return 2;
+	  return 1;
+	}
+      if (arg[1] == '?')
+	return 1;
+    }
+  return 0;
+}
+
+int
+main (int argc, char *argv[])
+{
+  char *romdir;
+  char *sysarea_img = NULL;
+  const char *pkgdatadir;
+  int argp_argc;
+  char **argp_argv;
+  int xorriso_tail_argc;
+  char **xorriso_tail_argv;
+  int rv;
+
+  grub_util_host_init (&argc, &argv);
+  grub_util_disable_fd_syncs ();
+
+  pkgdatadir = grub_util_get_pkgdatadir ();
+
+  product_name = xstrdup (PACKAGE_NAME);
+  product_version = xstrdup (PACKAGE_VERSION);
+  xorriso = xstrdup ("xorriso");
+  label_font = grub_util_path_concat (2, pkgdatadir, "unicode.pf2");
+
+  argp_argv = xmalloc (sizeof (argp_argv[0]) * argc);
+  xorriso_tail_argv = xmalloc (sizeof (argp_argv[0]) * argc);
+
+  xorriso_tail_argc = 0;
+  /* Program name */
+  argp_argv[0] = argv[0];
+  argp_argc = 1;
+
+  /* argp doesn't allow us to catch unknwon arguments,
+     so catch them before passing to argp
+   */
+  {
+    int i;
+    for (i = 1; i < argc; i++)
+      {
+	if (strcmp (argv[i], "-output") == 0) {
+	  argp_argv[argp_argc++] = (char *) "--output";
+	  i++;
+	  argp_argv[argp_argc++] = argv[i];
+	  continue;
+	}
+	switch (args_to_eat (argv[i]))
+	  {
+	  case 2:
+	    argp_argv[argp_argc++] = argv[i++];
+	    /* Fallthrough  */
+	  case 1:
+	    argp_argv[argp_argc++] = argv[i];
+	    break;
+	  case 0:
+	    xorriso_tail_argv[xorriso_tail_argc++] = argv[i];
+	    break;
+	  }
+      }
+  }
+
+  argp_parse (&argp, argp_argc, argp_argv, 0, 0, 0);
+
+  if (!output_image)
+    grub_util_error ("%s", _("output file must be specified"));
+
+  if (!check_xorriso ("graft-points")) {
+    grub_util_error ("%s", _("xorriso not found"));
+  }
+
+  grub_init_all ();
+  grub_hostfs_init ();
+  grub_host_init ();
+
+  xorriso_push (xorriso);
+  xorriso_push ("-as");
+  xorriso_push ("mkisofs");
+  xorriso_push ("-graft-points");
+  
+  iso9660_dir = grub_util_make_temporary_dir ();
+  grub_util_info ("temporary iso9660 dir is `%s'", iso9660_dir);
+  boot_grub = grub_util_path_concat (3, iso9660_dir, "boot", "grub");
+  grub_install_mkdir_p (boot_grub);
+  romdir = grub_util_path_concat (2, boot_grub, "roms");
+  grub_util_mkdir (romdir);
+
+  if (!grub_install_source_directory)
+    {
+      const char *pkglibdir = grub_util_get_pkglibdir ();
+      enum grub_install_plat plat;
+
+      for (plat = 0; plat < GRUB_INSTALL_PLATFORM_MAX; plat++)
+	{
+	  char *platdir = grub_util_path_concat (2, pkglibdir,
+						 grub_install_get_platform_name (plat));
+
+	  if (!grub_util_is_directory (platdir))
+	    {
+	      free (platdir);
+	      continue;
+	    }
+	  source_dirs[plat] = platdir;
+	  grub_install_copy_files (platdir,
+				   boot_grub, plat);
+	}
+    }
+  else
+    {
+      enum grub_install_plat plat;
+      plat = grub_install_get_target (grub_install_source_directory);
+      grub_install_copy_files (grub_install_source_directory,
+			       boot_grub, plat);
+      source_dirs[plat] = xstrdup (grub_install_source_directory);
+    }
+  if (system_area == SYS_AREA_AUTO || grub_install_source_directory)
+    {
+      if (source_dirs[GRUB_INSTALL_PLATFORM_I386_PC]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_IA64_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_ARM_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_ARM64_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_MIPS64EL_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_RISCV32_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_RISCV64_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_X86_64_EFI])
+	system_area = SYS_AREA_COMMON;
+      else if (source_dirs[GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275])
+	system_area = SYS_AREA_SPARC;
+      else if (source_dirs[GRUB_INSTALL_PLATFORM_MIPS_ARC])
+	system_area = SYS_AREA_ARCS;
+    }
+
+  /* obtain date-based UUID.  */
+  {
+    time_t tim;
+    struct tm *tmm;
+    tim = time (NULL);
+    tmm = gmtime (&tim);
+    iso_uuid = xmalloc (55);
+    grub_snprintf (iso_uuid, 50,
+		   "%04d-%02d-%02d-%02d-%02d-%02d-00",
+		   tmm->tm_year + 1900,
+		   tmm->tm_mon + 1,
+		   tmm->tm_mday,
+		   tmm->tm_hour,
+		   tmm->tm_min,
+		   tmm->tm_sec);
+  }
+  {
+    char *uuid_out = xmalloc (strlen (iso_uuid) + 1 + 40);
+    char *optr;
+    const char *iptr;
+    optr = grub_stpcpy (uuid_out, "--modification-date=");
+    for (iptr = iso_uuid; *iptr; iptr++)
+      if (*iptr != '-')
+	*optr++ = *iptr;
+    *optr = '\0';
+    xorriso_push (uuid_out);
+    free (uuid_out);
+  }
+
+  /* build BIOS core.img.  */
+  if (source_dirs[GRUB_INSTALL_PLATFORM_I386_PC])
+    {
+      char *load_cfg;
+      FILE *load_cfg_f;
+      char *output = grub_util_path_concat (3, boot_grub, "i386-pc", "eltorito.img");
+      load_cfg = grub_util_make_temporary_file ();
+
+      grub_util_info (N_("enabling %s support ..."), "BIOS");
+      load_cfg_f = grub_util_fopen (load_cfg, "wb");
+      write_part (load_cfg_f, source_dirs[GRUB_INSTALL_PLATFORM_I386_PC]);
+      fclose (load_cfg_f);
+
+      grub_install_push_module ("biosdisk");
+      grub_install_push_module ("iso9660");
+      grub_install_make_image_wrap (source_dirs[GRUB_INSTALL_PLATFORM_I386_PC],
+				    "/boot/grub", output,
+				    0, load_cfg,
+				    "i386-pc-eltorito", 0);
+
+      xorriso_push ("-b");
+      xorriso_push ("boot/grub/i386-pc/eltorito.img");
+      xorriso_push ("-no-emul-boot");
+      xorriso_push ("-boot-load-size");
+      xorriso_push ("4");
+      xorriso_push ("-boot-info-table");
+      if (system_area == SYS_AREA_COMMON)
+	{
+	  if (check_xorriso ("grub2-boot-info"))
+	    {
+	      char *boot_hybrid = grub_util_path_concat (2, source_dirs[GRUB_INSTALL_PLATFORM_I386_PC],
+							 "boot_hybrid.img");
+	      xorriso_push ("--grub2-boot-info");
+	      xorriso_push ("--grub2-mbr");
+	      xorriso_push (boot_hybrid);
+	    }
+	  else
+	    {
+	      FILE *sa, *bi;
+	      size_t sz;
+	      char buf[512];
+	      char *bin = grub_util_path_concat (2, source_dirs[GRUB_INSTALL_PLATFORM_I386_PC],
+						 "boot.img");
+	      grub_util_warn ("%s", _("Your xorriso doesn't support `--grub2-boot-info'. Some features are disabled. Please use xorriso 1.2.9 or later."));
+	      sysarea_img = grub_util_make_temporary_file ();
+	      sa = grub_util_fopen (sysarea_img, "wb");
+	      if (!sa)
+		grub_util_error (_("cannot open `%s': %s"), sysarea_img,
+				 strerror (errno));
+	      bi = grub_util_fopen (bin, "rb");
+	      if (!bi)
+		grub_util_error (_("cannot open `%s': %s"), bin,
+				 strerror (errno));
+	      if (fread (buf, 1, 512, bi) != 512)
+		grub_util_error (_("cannot read `%s': %s"), bin,
+				 strerror (errno));
+	      fclose (bi);
+	      fwrite (buf, 1, 512, sa);
+	      
+	      grub_install_make_image_wrap_file (source_dirs[GRUB_INSTALL_PLATFORM_I386_PC],
+						 "/boot/grub", sa, sysarea_img,
+						 0, load_cfg,
+						 "i386-pc", 0);
+	      sz = ftello (sa);
+	      fflush (sa);
+	      grub_util_fd_sync (fileno (sa));
+	      fclose (sa);
+	      
+	      if (sz > 32768)
+		{
+		  grub_util_warn ("%s", _("Your xorriso doesn't support `--grub2-boot-info'. Your core image is too big. Boot as disk is disabled. Please use xorriso 1.2.9 or later."));
+		}
+	      else
+		{
+		  xorriso_push ("-G");
+		  xorriso_push (sysarea_img);
+		}
+	    }
+	}
+      grub_install_pop_module ();
+      grub_install_pop_module ();
+      grub_util_unlink (load_cfg);
+    }
+
+  /** build multiboot core.img */
+  grub_install_push_module ("pata");
+  grub_install_push_module ("ahci");
+  grub_install_push_module ("at_keyboard");
+  make_image (GRUB_INSTALL_PLATFORM_I386_MULTIBOOT, "i386-multiboot", "i386-multiboot/core.elf");
+  grub_install_pop_module ();
+  grub_install_pop_module ();
+  grub_install_pop_module ();
+
+  make_image_fwdisk (GRUB_INSTALL_PLATFORM_I386_IEEE1275, "i386-ieee1275", "ofwx86.elf");
+
+  char *core_services = NULL;
+
+  if (source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_X86_64_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275])
+    {
+      char *mach_ker, *sv, *label, *label_text;
+      FILE *f;
+      core_services = grub_util_path_concat (4, iso9660_dir, "System", "Library", "CoreServices");
+      grub_install_mkdir_p (core_services);
+
+      mach_ker = grub_util_path_concat (2, iso9660_dir, "mach_kernel");
+      f = grub_util_fopen (mach_ker, "wb");
+      fclose (f);
+      free (mach_ker);
+
+      sv = grub_util_path_concat (2, core_services, "SystemVersion.plist");
+      f = grub_util_fopen (sv, "wb");
+      fprintf (f, "<plist version=\"1.0\">\n"
+	       "<dict>\n"
+	       "        <key>ProductBuildVersion</key>\n"
+	       "        <string></string>\n"
+	       "        <key>ProductName</key>\n"
+	       "        <string>%s</string>\n"
+	       "        <key>ProductVersion</key>\n"
+	       "        <string>%s</string>\n"
+	       "</dict>\n"
+	       "</plist>\n", product_name, product_version);
+      fclose (f);
+      free (sv);
+      label = grub_util_path_concat (2, core_services, ".disk_label");
+      char *label_string = xasprintf ("%s %s", product_name, product_version);
+      grub_util_render_label (label_font, label_bgcolor ? : "white",
+			      label_color ? : "black", label_string, label);
+      free (label);
+      label_text = grub_util_path_concat (2, core_services, ".disk_label.contentDetails");
+      f = grub_util_fopen (label_text, "wb");
+      fprintf (f, "%s\n", label_string);
+      fclose (f);
+      free (label_string);
+      free (label_text);
+      if (system_area == SYS_AREA_COMMON)
+	{
+	  xorriso_push ("-hfsplus");
+	  xorriso_push ("-apm-block-size");
+	  xorriso_push ("2048");
+	  xorriso_push ("-hfsplus-file-creator-type");
+	  xorriso_push ("chrp");
+	  xorriso_push ("tbxj");
+	  xorriso_push ("/System/Library/CoreServices/.disk_label");
+
+	  if (source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI]
+	      || source_dirs[GRUB_INSTALL_PLATFORM_X86_64_EFI])
+	    {
+	      xorriso_push ("-hfs-bless-by");
+	      xorriso_push ("i");
+	      xorriso_push ("/System/Library/CoreServices/boot.efi");
+	    }
+	}
+    }
+
+  if (source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_X86_64_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_IA64_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_ARM_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_ARM64_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_MIPS64EL_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_RISCV32_EFI]
+      || source_dirs[GRUB_INSTALL_PLATFORM_RISCV64_EFI])
+    {
+      char *efidir = grub_util_make_temporary_dir ();
+      char *efidir_efi = grub_util_path_concat (2, efidir, "efi");
+      char *efidir_efi_boot = grub_util_path_concat (3, efidir, "efi", "boot");
+      char *imgname, *img32, *img64, *img_mac = NULL;
+      char *efiimgfat;
+      grub_install_mkdir_p (efidir_efi_boot);
+
+      grub_install_push_module ("part_gpt");
+      grub_install_push_module ("part_msdos");
+
+      imgname = grub_util_path_concat (2, efidir_efi_boot, "bootia64.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_IA64_EFI, "ia64-efi", imgname);
+      free (imgname);
+
+      grub_install_push_module ("part_apple");
+      img64 = grub_util_path_concat (2, efidir_efi_boot, "bootx64.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_X86_64_EFI, "x86_64-efi", img64);
+      grub_install_pop_module ();
+
+      grub_install_push_module ("part_apple");
+      img32 = grub_util_path_concat (2, efidir_efi_boot, "bootia32.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_I386_EFI, "i386-efi", img32);
+      grub_install_pop_module ();
+
+      imgname = grub_util_path_concat (2, efidir_efi_boot, "bootarm.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_ARM_EFI, "arm-efi", imgname);
+      free (imgname);
+
+      imgname = grub_util_path_concat (2, efidir_efi_boot, "bootaa64.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_ARM64_EFI, "arm64-efi",
+			     imgname);
+      free (imgname);
+
+      imgname = grub_util_path_concat (2, efidir_efi_boot, "bootmips64el.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_MIPS64EL_EFI, "mips64el-efi",
+			     imgname);
+      free (imgname);
+	  
+      imgname = grub_util_path_concat (2, efidir_efi_boot, "bootriscv32.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_RISCV32_EFI, "riscv32-efi",
+			     imgname);
+      free (imgname);
+
+      imgname = grub_util_path_concat (2, efidir_efi_boot, "bootriscv64.efi");
+      make_image_fwdisk_abs (GRUB_INSTALL_PLATFORM_RISCV64_EFI, "riscv64-efi",
+			     imgname);
+      free (imgname);
+
+      if (source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI])
+	{
+	  imgname = grub_util_path_concat (2, efidir_efi_boot, "boot.efi");
+	  /* For old macs. Suggested by Peter Jones.  */
+	  grub_install_copy_file (img32, imgname, 1);
+	}
+
+      if (source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI]
+	  || source_dirs[GRUB_INSTALL_PLATFORM_X86_64_EFI])
+	img_mac = grub_util_path_concat (2, core_services, "boot.efi");
+
+      if (source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI]
+	  && source_dirs[GRUB_INSTALL_PLATFORM_X86_64_EFI])
+	grub_util_glue_efi (img32, img64, img_mac);
+      else if (source_dirs[GRUB_INSTALL_PLATFORM_X86_64_EFI])
+	grub_install_copy_file (img64, img_mac, 1);
+      else if (source_dirs[GRUB_INSTALL_PLATFORM_I386_EFI])
+	grub_install_copy_file (img32, img_mac, 1);
+
+      free (img_mac);
+      free (img32);
+      free (img64);
+      free (efidir_efi_boot);
+
+      efiimgfat = grub_util_path_concat (2, iso9660_dir, "efi.img");
+      rv = grub_util_exec ((const char * []) { "mformat", "-C", "-f", "2880", "-L", "16", "-i",
+	    efiimgfat, "::", NULL });
+      if (rv != 0)
+	grub_util_error ("`%s` invocation failed\n", "mformat");
+      rv = grub_util_exec ((const char * []) { "mcopy", "-s", "-i", efiimgfat, efidir_efi, "::/", NULL });
+      if (rv != 0)
+	grub_util_error ("`%s` invocation failed\n", "mcopy");
+      xorriso_push ("--efi-boot");
+      xorriso_push ("efi.img");
+      xorriso_push ("-efi-boot-part");
+      xorriso_push ("--efi-boot-image");
+
+      grub_util_unlink_recursive (efidir);
+      free (efiimgfat);
+      free (efidir_efi);
+      free (efidir);
+      grub_install_pop_module ();
+      grub_install_pop_module ();
+    }
+
+  grub_install_push_module ("part_apple");
+  make_image_fwdisk (GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275, "powerpc-ieee1275", "powerpc-ieee1275/core.elf");
+  grub_install_pop_module ();
+
+  if (source_dirs[GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275])
+    {
+      char *grub_chrp = grub_util_path_concat (2, source_dirs[GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275],
+					       "grub.chrp");
+      char *bisrc = grub_util_path_concat (2, source_dirs[GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275],
+					   "bootinfo.txt");
+      char *bootx = grub_util_path_concat (2, core_services, "BootX");
+      char *ppc_chrp = grub_util_path_concat (3, iso9660_dir, "ppc", "chrp");
+      char *bitgt = grub_util_path_concat (3, iso9660_dir, "ppc", "bootinfo.txt");
+      grub_install_copy_file (grub_chrp, bootx, 1);
+      grub_install_mkdir_p (ppc_chrp);
+      grub_install_copy_file (bisrc, bitgt, 1);
+      xorriso_link ("/System/Library/CoreServices/grub.elf", "/boot/grub/powerpc-ieee1275/core.elf");
+      xorriso_link ("/boot/grub/powerpc.elf", "/boot/grub/powerpc-ieee1275/core.elf");
+      /* FIXME: add PreP */
+      if (system_area == SYS_AREA_COMMON)
+	{
+	  xorriso_push ("-hfsplus-file-creator-type");
+	  xorriso_push ("chrp");
+	  xorriso_push ("tbxi");
+	  xorriso_push ("/System/Library/CoreServices/BootX");
+	  xorriso_push ("-hfs-bless-by");
+	  xorriso_push ("p");
+	  xorriso_push ("/System/Library/CoreServices");
+	}
+      xorriso_push ("-sysid");
+      xorriso_push ("PPC");
+    }
+
+  make_image_fwdisk (GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275,
+		     "sparc64-ieee1275-cdcore", "sparc64-ieee1275/core.img");
+
+  if (source_dirs[GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275]
+      && system_area == SYS_AREA_SPARC)
+    {
+      char *cdboot;
+      FILE *in, *out;
+      char buf[512];
+      sysarea_img = grub_util_make_temporary_file ();
+      cdboot = grub_util_path_concat (2, source_dirs[GRUB_INSTALL_PLATFORM_SPARC64_IEEE1275],
+				      "cdboot.img");
+      in = grub_util_fopen (cdboot, "rb");
+      if (!in)
+	grub_util_error (_("cannot open `%s': %s"), cdboot,
+			 strerror (errno));
+      out = grub_util_fopen (sysarea_img, "wb");
+      if (!out)
+	grub_util_error (_("cannot open `%s': %s"), sysarea_img,
+			 strerror (errno));
+      memset (buf, 0, 512);
+      fwrite (buf, 1, 512, out);
+      if (fread (buf, 1, 512, in) != 512)
+	grub_util_error (_("cannot read `%s': %s"), cdboot,
+			 strerror (errno));
+      fwrite (buf, 1, 512, out);
+      fclose (in);
+      fclose (out);
+      xorriso_push ("-G");
+      xorriso_push (sysarea_img);
+      xorriso_push ("-B");
+      xorriso_push (",");
+      xorriso_push ("--grub2-sparc-core");
+      xorriso_push ("/boot/grub/sparc64-ieee1275/core.img");
+    }
+
+  make_image_fwdisk (GRUB_INSTALL_PLATFORM_MIPS_ARC, "mips-arc", "mips-arc/core.img");
+
+  if (source_dirs[GRUB_INSTALL_PLATFORM_MIPS_ARC])
+    {
+      xorriso_link ("/boot/grub/mips-arc/grub", "/boot/grub/mips-arc/core.img");
+      xorriso_link ("/boot/grub/mips-arc/sashARCS", "/boot/grub/mips-arc/core.img");
+      xorriso_link ("/boot/grub/mips-arc/sash", "/boot/grub/mips-arc/core.img");
+    }
+  if (source_dirs[GRUB_INSTALL_PLATFORM_MIPS_ARC] && system_area == SYS_AREA_ARCS)
+    {
+      xorriso_push ("-mips-boot");
+      xorriso_push ("/boot/grub/mips-arc/sashARCS");
+      xorriso_push ("-mips-boot");
+      xorriso_push ("/boot/grub/mips-arc/sash");
+      xorriso_push ("-mips-boot");
+      xorriso_push ("/boot/grub/mips-arc/grub");
+    }
+
+  make_image_fwdisk (GRUB_INSTALL_PLATFORM_MIPSEL_ARC, "mipsel-arc", "arc.exe");
+
+  grub_install_push_module ("pata");
+  make_image (GRUB_INSTALL_PLATFORM_MIPSEL_QEMU_MIPS, "mipsel-qemu_mips-elf", "roms/mipsel-qemu_mips.elf");
+
+  make_image (GRUB_INSTALL_PLATFORM_MIPSEL_LOONGSON, "mipsel-loongson-elf", "loongson.elf");
+
+  make_image (GRUB_INSTALL_PLATFORM_MIPSEL_LOONGSON, "mipsel-yeeloong-flash", "mipsel-yeeloong.bin");
+  make_image (GRUB_INSTALL_PLATFORM_MIPSEL_LOONGSON, "mipsel-fuloong2f-flash", "mipsel-fuloong2f.bin");
+
+  make_image (GRUB_INSTALL_PLATFORM_MIPS_QEMU_MIPS, "mips-qemu_mips-elf", "roms/mips-qemu_mips.elf");
+
+  grub_install_push_module ("at_keyboard");
+
+  make_image (GRUB_INSTALL_PLATFORM_I386_QEMU, "i386-qemu", "roms/qemu.img");
+
+  grub_install_push_module ("ahci");
+
+  make_image (GRUB_INSTALL_PLATFORM_I386_COREBOOT, "i386-coreboot", "roms/coreboot.elf");
+  grub_install_pop_module ();
+  grub_install_pop_module ();
+  grub_install_pop_module ();
+
+  if (rom_directory)
+    {
+      const struct
+      {
+	enum grub_install_plat plat;
+	const char *from, *to;
+      } roms[] =
+	  {
+	    {GRUB_INSTALL_PLATFORM_MIPSEL_QEMU_MIPS, "roms/mipsel-qemu_mips.elf", "mipsel-qemu_mips.elf"},
+	    {GRUB_INSTALL_PLATFORM_MIPSEL_LOONGSON, "loongson.elf", "mipsel-loongson.elf"},
+	    {GRUB_INSTALL_PLATFORM_MIPSEL_LOONGSON, "roms/mipsel-yeeloong.bin", "mipsel-yeeloong.bin"},
+	    {GRUB_INSTALL_PLATFORM_MIPSEL_LOONGSON, "roms/mipsel-fulong.bin", "mipsel-fulong.bin"},
+	    {GRUB_INSTALL_PLATFORM_MIPS_QEMU_MIPS, "roms/mips-qemu_mips.elf", "mips-qemu_mips.elf"},
+	    {GRUB_INSTALL_PLATFORM_I386_QEMU, "roms/qemu.img", "qemu.img"},
+	    {GRUB_INSTALL_PLATFORM_I386_COREBOOT, "roms/coreboot.elf", "coreboot.elf"},
+	  };
+      grub_size_t i;
+      for (i = 0; i < ARRAY_SIZE (roms); i++)
+	{
+	  char *from = grub_util_path_concat (2, boot_grub, roms[i].from);
+	  char *to = grub_util_path_concat (2, rom_directory, roms[i].to);
+	  grub_install_copy_file (from, to, 0);
+	}
+    }
+
+  xorriso_push ("--protective-msdos-label");
+  xorriso_push ("-o");
+  xorriso_push (output_image);
+  xorriso_push ("-r");
+  xorriso_push (iso9660_dir);
+  xorriso_push ("--sort-weight");
+  xorriso_push ("0");
+  xorriso_push ("/");
+  xorriso_push ("--sort-weight");
+  xorriso_push ("1");
+  xorriso_push ("/boot");
+  int i;
+  for (i = 0; i < xorriso_tail_argc; i++)
+    xorriso_push (xorriso_tail_argv[i]);
+
+  xorriso_argv[xorriso_argc] = NULL;
+
+  rv = grub_util_exec ((const char *const *)xorriso_argv);
+  if (rv != 0)
+    grub_util_error ("`%s` invocation failed\n", "xorriso");
+
+  grub_util_unlink_recursive (iso9660_dir);
+
+  if (sysarea_img)
+    grub_util_unlink (sysarea_img);
+
+  free (core_services);
+  free (romdir);
+  return 0;
+}

GRUB2/MOD_SRC/grub-2.04/util/grub-module-verifier.c

+#include <stdio.h>
+#include <string.h>
+
+#include <grub/elf.h>
+#include <grub/module_verifier.h>
+#include <grub/misc.h>
+#include <grub/util/misc.h>
+
+struct grub_module_verifier_arch archs[] = {
+  { "i386", 4, 0, EM_386, GRUB_MODULE_VERIFY_SUPPORTS_REL, (int[]){
+      R_386_32,
+      R_386_PC32,
+      -1
+    } },
+  { "x86_64", 8, 0, EM_X86_64, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_X86_64_64,
+      R_X86_64_PC64,
+      /* R_X86_64_32, R_X86_64_32S are supported but shouldn't be used because of their limited range.  */
+      -1
+    }, (int[]){
+      R_X86_64_PC32,
+      R_X86_64_PLT32,
+      -1
+    }
+  },
+  { "powerpc", 4, 1, EM_PPC, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      GRUB_ELF_R_PPC_ADDR16_LO,
+      GRUB_ELF_R_PPC_REL24, /* It has limited range but GRUB adds trampolines when necessarry.  */
+      GRUB_ELF_R_PPC_ADDR16_HA,
+      GRUB_ELF_R_PPC_ADDR32,
+      GRUB_ELF_R_PPC_REL32,
+      GRUB_ELF_R_PPC_PLTREL24,
+      -1
+    } },
+  { "sparc64", 8, 1, EM_SPARCV9, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_SPARC_WDISP30, /* It has limited range but GRUB adds trampolines when necessarry. */
+      R_SPARC_HH22,
+      R_SPARC_HM10,
+      R_SPARC_LM22,
+      R_SPARC_LO10,
+      R_SPARC_64,
+      R_SPARC_OLO10,
+      /* Following 2 relocations have limited range but unfortunately
+	 clang generates them, as it doesn't implement mcmodel=large properly.
+	 At least our heap and core are under 4G, so it's not a problem
+	 usually. */
+      R_SPARC_HI22,
+      R_SPARC_32,
+      -1
+    } },
+  { "ia64", 8, 0, EM_IA_64, GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_IA64_PCREL21B, /* We should verify that it's pointing either
+			  to a function or to a section in the same module.
+			  Checking that external symbol is a function is
+			  non-trivial and I have never seen this relocation used
+			  for anything else, so assume that it always points to a
+			  function.
+		       */
+      R_IA64_SEGREL64LSB,
+      R_IA64_FPTR64LSB,
+      R_IA64_DIR64LSB,
+      R_IA64_PCREL64LSB,
+      R_IA64_LTOFF22X,
+      R_IA64_LTOFF22,
+      R_IA64_GPREL64I,
+      R_IA64_LTOFF_FPTR22,
+      R_IA64_LDXMOV,
+      -1
+    }, (int[]){
+      R_IA64_GPREL22,
+      -1
+    } },
+  { "mipsel", 4, 0, EM_MIPS, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_MIPS_HI16,
+      R_MIPS_LO16,
+      R_MIPS_32,
+      R_MIPS_GPREL32,
+      R_MIPS_26,
+      R_MIPS_GOT16,
+      R_MIPS_CALL16,
+      R_MIPS_JALR,
+      -1
+    } },
+  { "mips", 4, 1, EM_MIPS, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_MIPS_HI16,
+      R_MIPS_LO16,
+      R_MIPS_32,
+      R_MIPS_GPREL32,
+      R_MIPS_26,
+      R_MIPS_GOT16,
+      R_MIPS_CALL16,
+      R_MIPS_JALR,
+      -1
+    } },
+  { "arm", 4, 0, EM_ARM, GRUB_MODULE_VERIFY_SUPPORTS_REL, (int[]){
+      /* Some relocations are range-limited but trampolines are added when necessarry. */
+      R_ARM_ABS32,
+      R_ARM_CALL,
+      R_ARM_JUMP24,
+      R_ARM_THM_CALL,
+      R_ARM_THM_JUMP24,
+      R_ARM_V4BX,
+      R_ARM_THM_MOVW_ABS_NC,
+      R_ARM_THM_MOVT_ABS,
+      R_ARM_THM_JUMP19,
+      -1
+    } },
+  { "arm64", 8, 0, EM_AARCH64, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_AARCH64_ABS64,
+      R_AARCH64_CALL26,
+      R_AARCH64_JUMP26,
+      R_AARCH64_ADR_GOT_PAGE,
+      R_AARCH64_LD64_GOT_LO12_NC,
+      -1
+    }, (int[]){
+      R_AARCH64_ADR_PREL_PG_HI21,
+      R_AARCH64_ADD_ABS_LO12_NC,
+      R_AARCH64_LDST64_ABS_LO12_NC,
+      R_AARCH64_PREL32,
+      -1
+    } },
+  { "mips64el", 8, 0, EM_MIPS, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_MIPS_64,
+      R_MIPS_32,
+      R_MIPS_26,
+      R_MIPS_LO16,
+      R_MIPS_HI16,
+      R_MIPS_HIGHER,
+      R_MIPS_HIGHEST,
+      -1
+    }, (int[]){
+      -1
+    }
+  },
+  { "riscv32", 4, 0, EM_RISCV, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_RISCV_32,
+      R_RISCV_64,
+      R_RISCV_ADD8,
+      R_RISCV_ADD16,
+      R_RISCV_ADD32,
+      R_RISCV_ADD64,
+      R_RISCV_SUB8,
+      R_RISCV_SUB16,
+      R_RISCV_SUB32,
+      R_RISCV_SUB64,
+      R_RISCV_ALIGN,
+      R_RISCV_BRANCH,
+      R_RISCV_CALL,
+      R_RISCV_CALL_PLT,
+      R_RISCV_GOT_HI20,
+      R_RISCV_HI20,
+      R_RISCV_JAL,
+      R_RISCV_LO12_I,
+      R_RISCV_LO12_S,
+      R_RISCV_PCREL_HI20,
+      R_RISCV_PCREL_LO12_I,
+      R_RISCV_PCREL_LO12_S,
+      R_RISCV_RELAX,
+      R_RISCV_RVC_BRANCH,
+      R_RISCV_RVC_JUMP,
+      -1
+    } },
+  { "riscv64", 8, 0, EM_RISCV, GRUB_MODULE_VERIFY_SUPPORTS_REL | GRUB_MODULE_VERIFY_SUPPORTS_RELA, (int[]){
+      R_RISCV_32,
+      R_RISCV_64,
+      R_RISCV_ADD8,
+      R_RISCV_ADD16,
+      R_RISCV_ADD32,
+      R_RISCV_ADD64,
+      R_RISCV_SUB8,
+      R_RISCV_SUB16,
+      R_RISCV_SUB32,
+      R_RISCV_SUB64,
+      R_RISCV_ALIGN,
+      R_RISCV_BRANCH,
+      R_RISCV_CALL,
+      R_RISCV_CALL_PLT,
+      R_RISCV_GOT_HI20,
+      R_RISCV_HI20,
+      R_RISCV_JAL,
+      R_RISCV_LO12_I,
+      R_RISCV_LO12_S,
+      R_RISCV_PCREL_HI20,
+      R_RISCV_PCREL_LO12_I,
+      R_RISCV_PCREL_LO12_S,
+      R_RISCV_RELAX,
+      R_RISCV_RVC_BRANCH,
+      R_RISCV_RVC_JUMP,
+      -1
+    }
+  },
+};
+
+struct platform_whitelist {
+  const char *arch;
+  const char *platform;
+  const char **whitelist_empty;
+};
+
+static struct platform_whitelist whitelists[] = {
+  {"i386", "xen", (const char *[]) {"all_video", 0}},
+  {"i386", "xen_pvh", (const char *[]) {"all_video", 0}},
+  {"x86_64", "xen", (const char *[]) {"all_video", 0}},
+  {"sparc64", "ieee1275", (const char *[]) {"all_video", 0}},
+
+  /* video is compiled-in on MIPS.  */
+  {"mipsel", "loongson", (const char *[]) {"all_video", 0}},
+  {"mipsel", "qemu_mips", (const char *[]) {"all_video", 0}},
+  {"mipsel", "arc", (const char *[]) {"all_video", 0}},
+  {"mips", "qemu_mips", (const char *[]) {"all_video", 0}},
+  {"mips", "arc", (const char *[]) {"all_video", 0}},
+};
+
+
+int
+main (int argc, char **argv)
+{
+  size_t module_size;
+  unsigned arch, whitelist;
+  const char **whitelist_empty = 0;
+  char *module_img;
+  if (argc != 4) {
+    fprintf (stderr, "usage: %s FILE ARCH PLATFORM\n", argv[0]);
+    return 1;
+  }
+
+  for (arch = 0; arch < ARRAY_SIZE(archs); arch++)
+    if (strcmp(archs[arch].name, argv[2]) == 0)
+      break;
+  if (arch == ARRAY_SIZE(archs))
+    grub_util_error("%s: unknown arch: %s", argv[1], argv[2]);
+
+  for (whitelist = 0; whitelist < ARRAY_SIZE(whitelists); whitelist++)
+    if (strcmp(whitelists[whitelist].arch, argv[2]) == 0
+	&& strcmp(whitelists[whitelist].platform, argv[3]) == 0)
+      break;
+  if (whitelist != ARRAY_SIZE(whitelists))
+    whitelist_empty = whitelists[whitelist].whitelist_empty;
+
+  module_size = grub_util_get_image_size (argv[1]);
+  module_img = grub_util_read_image (argv[1]);
+  if (archs[arch].voidp_sizeof == 8)
+    grub_module_verify64(argv[1], module_img, module_size, &archs[arch], whitelist_empty);
+  else
+    grub_module_verify32(argv[1], module_img, module_size, &archs[arch], whitelist_empty);
+  return 0;
+}

GRUB2/MOD_SRC/grub-2.04/util/grub-module-verifierXX.c

+#include <string.h>
+
+#include <grub/elf.h>
+#include <grub/module_verifier.h>
+#include <grub/util/misc.h>
+
+#if defined(MODULEVERIFIER_ELF32)
+# define SUFFIX(x)	x ## 32
+# define ELFCLASSXX	ELFCLASS32
+# define Elf_Ehdr	Elf32_Ehdr
+# define Elf_Phdr	Elf32_Phdr
+# define Elf_Nhdr	Elf32_Nhdr
+# define Elf_Addr	Elf32_Addr
+# define Elf_Sym	Elf32_Sym
+# define Elf_Off	Elf32_Off
+# define Elf_Shdr	Elf32_Shdr
+# define Elf_Rela       Elf32_Rela
+# define Elf_Rel        Elf32_Rel
+# define Elf_Word       Elf32_Word
+# define Elf_Half       Elf32_Half
+# define Elf_Section    Elf32_Section
+# define ELF_R_SYM(val)		ELF32_R_SYM(val)
+# define ELF_R_TYPE(val)		ELF32_R_TYPE(val)
+# define ELF_ST_TYPE(val)		ELF32_ST_TYPE(val)
+#elif defined(MODULEVERIFIER_ELF64)
+# define SUFFIX(x)	x ## 64
+# define ELFCLASSXX	ELFCLASS64
+# define Elf_Ehdr	Elf64_Ehdr
+# define Elf_Phdr	Elf64_Phdr
+# define Elf_Nhdr	Elf64_Nhdr
+# define Elf_Addr	Elf64_Addr
+# define Elf_Sym	Elf64_Sym
+# define Elf_Off	Elf64_Off
+# define Elf_Shdr	Elf64_Shdr
+# define Elf_Rela       Elf64_Rela
+# define Elf_Rel        Elf64_Rel
+# define Elf_Word       Elf64_Word
+# define Elf_Half       Elf64_Half
+# define Elf_Section    Elf64_Section
+# define ELF_R_SYM(val)		ELF64_R_SYM(val)
+# define ELF_R_TYPE(val)		ELF64_R_TYPE(val)
+# define ELF_ST_TYPE(val)		ELF64_ST_TYPE(val)
+#else
+#error "I'm confused"
+#endif
+
+#define grub_target_to_host32(x) (grub_target_to_host32_real (arch, (x)))
+#define grub_host_to_target32(x) (grub_host_to_target32_real (arch, (x)))
+#define grub_target_to_host64(x) (grub_target_to_host64_real (arch, (x)))
+#define grub_host_to_target64(x) (grub_host_to_target64_real (arch, (x)))
+#define grub_host_to_target_addr(x) (grub_host_to_target_addr_real (arch, (x)))
+#define grub_target_to_host16(x) (grub_target_to_host16_real (arch, (x)))
+#define grub_host_to_target16(x) (grub_host_to_target16_real (arch, (x)))
+#define grub_target_to_host(val) grub_target_to_host_real(arch, (val))
+
+static inline grub_uint32_t
+grub_target_to_host32_real (const struct grub_module_verifier_arch *arch,
+			    grub_uint32_t in)
+{
+  if (arch->bigendian)
+    return grub_be_to_cpu32 (in);
+  else
+    return grub_le_to_cpu32 (in);
+}
+
+static inline grub_uint64_t
+grub_target_to_host64_real (const struct grub_module_verifier_arch *arch,
+			    grub_uint64_t in)
+{
+  if (arch->bigendian)
+    return grub_be_to_cpu64 (in);
+  else
+    return grub_le_to_cpu64 (in);
+}
+
+static inline grub_uint64_t
+grub_host_to_target64_real (const struct grub_module_verifier_arch *arch,
+			    grub_uint64_t in)
+{
+  if (arch->bigendian)
+    return grub_cpu_to_be64 (in);
+  else
+    return grub_cpu_to_le64 (in);
+}
+
+static inline grub_uint32_t
+grub_host_to_target32_real (const struct grub_module_verifier_arch *arch,
+			    grub_uint32_t in)
+{
+  if (arch->bigendian)
+    return grub_cpu_to_be32 (in);
+  else
+    return grub_cpu_to_le32 (in);
+}
+
+static inline grub_uint16_t
+grub_target_to_host16_real (const struct grub_module_verifier_arch *arch,
+			    grub_uint16_t in)
+{
+  if (arch->bigendian)
+    return grub_be_to_cpu16 (in);
+  else
+    return grub_le_to_cpu16 (in);
+}
+
+static inline grub_uint16_t
+grub_host_to_target16_real (const struct grub_module_verifier_arch *arch,
+			    grub_uint16_t in)
+{
+  if (arch->bigendian)
+    return grub_cpu_to_be16 (in);
+  else
+    return grub_cpu_to_le16 (in);
+}
+
+static inline grub_uint64_t
+grub_host_to_target_addr_real (const struct grub_module_verifier_arch *arch, grub_uint64_t in)
+{
+  if (arch->voidp_sizeof == 8)
+    return grub_host_to_target64_real (arch, in);
+  else
+    return grub_host_to_target32_real (arch, in);
+}
+
+static inline grub_uint64_t
+grub_target_to_host_real (const struct grub_module_verifier_arch *arch, grub_uint64_t in)
+{
+  if (arch->voidp_sizeof == 8)
+    return grub_target_to_host64_real (arch, in);
+  else
+    return grub_target_to_host32_real (arch, in);
+}
+
+
+static Elf_Shdr *
+find_section (const struct grub_module_verifier_arch *arch, Elf_Ehdr *e, const char *name)
+{
+  Elf_Shdr *s;
+  const char *str;
+  unsigned i;
+
+  s = (Elf_Shdr *) ((char *) e + grub_target_to_host (e->e_shoff) + grub_target_to_host16 (e->e_shstrndx) * grub_target_to_host16 (e->e_shentsize));
+  str = (char *) e + grub_target_to_host (s->sh_offset);
+
+  for (i = 0, s = (Elf_Shdr *) ((char *) e + grub_target_to_host (e->e_shoff));
+       i < grub_target_to_host16 (e->e_shnum);
+       i++, s = (Elf_Shdr *) ((char *) s + grub_target_to_host16 (e->e_shentsize)))
+    if (strcmp (str + grub_target_to_host32 (s->sh_name), name) == 0)
+      return s;
+  return NULL;
+}
+
+static void
+check_license (const char * const filename,
+	       const struct grub_module_verifier_arch *arch, Elf_Ehdr *e)
+{
+  Elf_Shdr *s = find_section (arch, e, ".module_license");
+  if (s && (strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=GPLv3") == 0
+	    || strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=GPLv3+") == 0
+	    || strcmp ((char *) e + grub_target_to_host(s->sh_offset), "LICENSE=GPLv2+") == 0))
+    return;
+  grub_util_error ("%s: incompatible license", filename);
+}
+
+static Elf_Sym *
+get_symtab (const struct grub_module_verifier_arch *arch, Elf_Ehdr *e, Elf_Word *size, Elf_Word *entsize)
+{
+  unsigned i;
+  Elf_Shdr *s, *sections;
+  Elf_Sym *sym;
+
+  sections = (Elf_Shdr *) ((char *) e + grub_target_to_host (e->e_shoff));
+  for (i = 0, s = sections;
+       i < grub_target_to_host16 (e->e_shnum);
+       i++, s = (Elf_Shdr *) ((char *) s + grub_target_to_host16 (e->e_shentsize)))
+    if (grub_target_to_host32 (s->sh_type) == SHT_SYMTAB)
+      break;
+
+  if (i == grub_target_to_host16 (e->e_shnum))
+    return NULL;
+
+  sym = (Elf_Sym *) ((char *) e + grub_target_to_host (s->sh_offset));
+  *size = grub_target_to_host (s->sh_size);
+  *entsize = grub_target_to_host (s->sh_entsize);
+  return sym;
+}
+
+static int
+is_whitelisted (const char *modname, const char **whitelist)
+{
+  const char **ptr;
+  if (!whitelist)
+    return 0;
+  if (!modname)
+    return 0;
+  for (ptr = whitelist; *ptr; ptr++)
+    if (strcmp (modname, *ptr) == 0)
+      return 1;
+  return 0;
+}
+
+static void
+check_symbols (const struct grub_module_verifier_arch *arch,
+	       Elf_Ehdr *e, const char *modname,
+	       const char **whitelist_empty)
+{
+  Elf_Sym *sym;
+  Elf_Word size, entsize;
+  unsigned i;
+
+  /* Module without symbol table and without .moddeps section is useless
+     at boot time, so catch it early to prevent build errors */
+  sym = get_symtab (arch, e, &size, &entsize);
+  if (!sym)
+    {
+      Elf_Shdr *s;
+
+      /* However some modules are dependencies-only,
+	 e.g. insmod all_video pulls in all video drivers.
+	 Some platforms e.g. xen have no video drivers, so
+	 the module does nothing.  */
+      if (is_whitelisted (modname, whitelist_empty))
+	return;
+
+      s = find_section (arch, e, ".moddeps");
+
+      if (!s)
+	grub_util_error ("%s: no symbol table and no .moddeps section", modname);
+
+      if (!s->sh_size)
+	grub_util_error ("%s: no symbol table and empty .moddeps section", modname);
+
+      return;
+    }
+
+  for (i = 0;
+       i < size / entsize;
+       i++, sym = (Elf_Sym *) ((char *) sym + entsize))
+    {
+      unsigned char type = ELF_ST_TYPE (sym->st_info);
+
+      switch (type)
+	{
+	case STT_NOTYPE:
+	case STT_OBJECT:
+	case STT_FUNC:
+	case STT_SECTION:
+	case STT_FILE:
+	  break;
+
+	default:
+	  return grub_util_error ("%s: unknown symbol type `%d'", modname, (int) type);
+	}
+    }
+}
+
+static int
+is_symbol_local(Elf_Sym *sym)
+{
+  switch (ELF_ST_TYPE (sym->st_info))
+    {
+    case STT_NOTYPE:
+    case STT_OBJECT:
+      if (sym->st_name != 0 && sym->st_shndx == 0)
+	return 0;
+      return 1;
+
+    case STT_FUNC:
+    case STT_SECTION:
+      return 1;
+
+    default:
+      return 0;
+    }
+}
+
+static void
+section_check_relocations (const char * const modname,
+			   const struct grub_module_verifier_arch *arch, void *ehdr,
+			   Elf_Shdr *s, size_t target_seg_size)
+{
+  Elf_Rel *rel, *max;
+  Elf_Sym *symtab;
+  Elf_Word symtabsize, symtabentsize;
+
+  symtab = get_symtab (arch, ehdr, &symtabsize, &symtabentsize);
+  if (!symtab)
+    grub_util_error ("%s: relocation without symbol table", modname);
+
+  for (rel = (Elf_Rel *) ((char *) ehdr + grub_target_to_host (s->sh_offset)),
+	 max = (Elf_Rel *) ((char *) rel + grub_target_to_host (s->sh_size));
+       rel < max;
+       rel = (Elf_Rel *) ((char *) rel + grub_target_to_host (s->sh_entsize)))
+    {
+      Elf_Sym *sym;
+      unsigned i;
+
+      if (target_seg_size < grub_target_to_host (rel->r_offset))
+	grub_util_error ("%s: reloc offset is out of the segment", modname);
+
+      grub_size_t r_info;
+      if (arch->machine == EM_MIPS && arch->voidp_sizeof == 8)
+        r_info = ((grub_uint64_t) rel->r_info << 32) |
+                  (grub_uint32_t) grub_be_to_cpu64 (rel->r_info);
+      else
+        r_info = grub_target_to_host (rel->r_info);
+
+      grub_uint32_t type = ELF_R_TYPE (r_info);
+
+      if (arch->machine == EM_SPARCV9)
+	type &= 0xff;
+
+      for (i = 0; arch->supported_relocations[i] != -1; i++)
+	if (type == arch->supported_relocations[i])
+	  break;
+      if (arch->supported_relocations[i] != -1)
+	continue;
+      if (!arch->short_relocations)
+	grub_util_error ("%s: unsupported relocation 0x%x", modname, type);
+      for (i = 0; arch->short_relocations[i] != -1; i++)
+	if (type == arch->short_relocations[i])
+	  break;
+      if (arch->short_relocations[i] == -1)
+	grub_util_error ("%s: unsupported relocation 0x%x", modname, type);
+      sym = (Elf_Sym *) ((char *) symtab + symtabentsize * ELF_R_SYM (r_info));
+
+      if (is_symbol_local (sym))
+	continue;
+      grub_util_error ("%s: relocation 0x%x is not module-local", modname, type);
+    }
+#if defined(MODULEVERIFIER_ELF64)
+  if (arch->machine == EM_AARCH64)
+    {
+      unsigned unmatched_adr_got_page = 0;
+      Elf_Rela *rel2;
+      for (rel = (Elf_Rel *) ((char *) ehdr + grub_target_to_host (s->sh_offset)),
+	     max = (Elf_Rel *) ((char *) rel + grub_target_to_host (s->sh_size));
+	   rel < max;
+	   rel = (Elf_Rel *) ((char *) rel + grub_target_to_host (s->sh_entsize)))
+	{
+	  switch (ELF_R_TYPE (grub_target_to_host (rel->r_info)))
+	    {
+	    case R_AARCH64_ADR_GOT_PAGE:
+	      unmatched_adr_got_page++;
+	      for (rel2 = (Elf_Rela *) ((char *) rel + grub_target_to_host (s->sh_entsize));
+		   rel2 < (Elf_Rela *) max;
+		   rel2 = (Elf_Rela *) ((char *) rel2 + grub_target_to_host (s->sh_entsize)))
+		if (ELF_R_SYM (rel2->r_info)
+		    == ELF_R_SYM (rel->r_info)
+		    && ((Elf_Rela *) rel)->r_addend == rel2->r_addend
+		    && ELF_R_TYPE (rel2->r_info) == R_AARCH64_LD64_GOT_LO12_NC)
+		  break;
+	      if (rel2 >= (Elf_Rela *) max)
+		grub_util_error ("%s: ADR_GOT_PAGE without matching LD64_GOT_LO12_NC", modname);
+	      break;
+	    case R_AARCH64_LD64_GOT_LO12_NC:
+	      if (unmatched_adr_got_page == 0)
+		grub_util_error ("%s: LD64_GOT_LO12_NC without matching ADR_GOT_PAGE", modname);
+	      unmatched_adr_got_page--;
+	      break;
+	    }
+	}
+    }
+#endif
+}
+
+static void
+check_relocations (const char * const modname,
+		   const struct grub_module_verifier_arch *arch, Elf_Ehdr *e)
+{
+  Elf_Shdr *s;
+  unsigned i;
+
+  for (i = 0, s = (Elf_Shdr *) ((char *) e + grub_target_to_host (e->e_shoff));
+       i < grub_target_to_host16 (e->e_shnum);
+       i++, s = (Elf_Shdr *) ((char *) s + grub_target_to_host16 (e->e_shentsize)))
+    if (grub_target_to_host32 (s->sh_type) == SHT_REL || grub_target_to_host32 (s->sh_type) == SHT_RELA)
+      {
+	Elf_Shdr *ts;
+
+	if (grub_target_to_host32 (s->sh_type) == SHT_REL && !(arch->flags & GRUB_MODULE_VERIFY_SUPPORTS_REL))
+	  grub_util_error ("%s: unsupported SHT_REL", modname);
+	if (grub_target_to_host32 (s->sh_type) == SHT_RELA && !(arch->flags & GRUB_MODULE_VERIFY_SUPPORTS_RELA))
+	  grub_util_error ("%s: unsupported SHT_RELA", modname);
+
+	/* Find the target segment.  */
+	if (grub_target_to_host32 (s->sh_info) >= grub_target_to_host16 (e->e_shnum))
+	  grub_util_error ("%s: orphaned reloc section", modname);
+	ts = (Elf_Shdr *) ((char *) e + grub_target_to_host (e->e_shoff) + grub_target_to_host32 (s->sh_info) * grub_target_to_host16 (e->e_shentsize));
+
+	section_check_relocations (modname, arch, e, s, grub_target_to_host (ts->sh_size));
+      }
+}
+
+void
+SUFFIX(grub_module_verify) (const char * const filename,
+			    void *module_img, size_t size,
+			    const struct grub_module_verifier_arch *arch,
+			    const char **whitelist_empty)
+{
+  Elf_Ehdr *e = module_img;
+
+  /* Check the header size.  */
+  if (size < sizeof (Elf_Ehdr))
+    grub_util_error ("%s: ELF header smaller than expected", filename);
+
+  /* Check the magic numbers.  */
+  if (e->e_ident[EI_MAG0] != ELFMAG0
+      || e->e_ident[EI_MAG1] != ELFMAG1
+      || e->e_ident[EI_MAG2] != ELFMAG2
+      || e->e_ident[EI_MAG3] != ELFMAG3
+      || e->e_ident[EI_VERSION] != EV_CURRENT
+      || grub_target_to_host32 (e->e_version) != EV_CURRENT)
+    grub_util_error ("%s: invalid arch-independent ELF magic", filename);
+
+  if (e->e_ident[EI_CLASS] != ELFCLASSXX
+      || e->e_ident[EI_DATA] != (arch->bigendian ? ELFDATA2MSB : ELFDATA2LSB)
+      || grub_target_to_host16 (e->e_machine) != arch->machine)
+    grub_util_error ("%s: invalid arch-dependent ELF magic", filename);
+
+  if (grub_target_to_host16 (e->e_type) != ET_REL)
+    {
+      grub_util_error ("%s: this ELF file is not of the right type", filename);
+    }
+
+  /* Make sure that every section is within the core.  */
+  if (size < grub_target_to_host (e->e_shoff)
+      + (grub_uint32_t) grub_target_to_host16 (e->e_shentsize) * grub_target_to_host16(e->e_shnum))
+    {
+      grub_util_error ("%s: ELF sections outside core", filename);
+    }
+
+  check_license (filename, arch, e);
+
+  Elf_Shdr *s;
+  const char *modname;
+
+  s = find_section (arch, e, ".modname");
+  if (!s)
+    grub_util_error ("%s: no module name found", filename);
+
+  modname = (const char *) e + grub_target_to_host (s->sh_offset);
+
+  check_symbols(arch, e, modname, whitelist_empty);
+  check_relocations(modname, arch, e);
+}

GRUB2/MOD_SRC/grub-2.04/util/mkimage.c

+/* grub-mkimage.c - make a bootable image */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2002,2003,2004,2005,2006,2007,2008,2009,2010  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <grub/types.h>
+#include <grub/elf.h>
+#include <grub/aout.h>
+#include <grub/i18n.h>
+#include <grub/kernel.h>
+#include <grub/disk.h>
+#include <grub/emu/misc.h>
+#include <grub/util/misc.h>
+#include <grub/util/resolve.h>
+#include <grub/misc.h>
+#include <grub/offsets.h>
+#include <grub/crypto.h>
+#include <grub/dl.h>
+#include <time.h>
+#include <multiboot.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <grub/efi/pe32.h>
+#include <grub/uboot/image.h>
+#include <grub/arm/reloc.h>
+#include <grub/arm64/reloc.h>
+#include <grub/ia64/reloc.h>
+#include <grub/osdep/hostfile.h>
+#include <grub/util/install.h>
+#include <grub/util/mkimage.h>
+
+#define ALIGN_ADDR(x) (ALIGN_UP((x), image_target->voidp_sizeof))
+
+#ifdef USE_LIBLZMA
+#include <lzma.h>
+#endif
+
+#pragma GCC diagnostic ignored "-Wcast-align"
+
+#define TARGET_NO_FIELD 0xffffffff
+
+/* use 2015-01-01T00:00:00+0000 as a stock timestamp */
+#define STABLE_EMBEDDING_TIMESTAMP 1420070400
+
+#define EFI32_HEADER_SIZE ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE		\
+				    + GRUB_PE32_SIGNATURE_SIZE		\
+				    + sizeof (struct grub_pe32_coff_header) \
+				    + sizeof (struct grub_pe32_optional_header) \
+				    + 4 * sizeof (struct grub_pe32_section_table), \
+				    GRUB_PE32_FILE_ALIGNMENT)
+
+#define EFI64_HEADER_SIZE ALIGN_UP (GRUB_PE32_MSDOS_STUB_SIZE		\
+				    + GRUB_PE32_SIGNATURE_SIZE		\
+				    + sizeof (struct grub_pe32_coff_header) \
+				    + sizeof (struct grub_pe64_optional_header) \
+				    + 4 * sizeof (struct grub_pe32_section_table), \
+				    GRUB_PE32_FILE_ALIGNMENT)
+
+static const struct grub_install_image_target_desc image_targets[] =
+  {
+    {
+      .dirname = "i386-coreboot",
+      .names = { "i386-coreboot", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_COREBOOT,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .reloc_table_offset = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_COREBOOT_LINK_ADDR,
+      .elf_target = EM_386,
+      .link_align = 4,
+      .mod_gap = GRUB_KERNEL_I386_COREBOOT_MOD_GAP,
+      .mod_align = GRUB_KERNEL_I386_COREBOOT_MOD_ALIGN
+    },
+    {
+      .dirname = "i386-multiboot",
+      .names = { "i386-multiboot", NULL},
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_COREBOOT,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_COREBOOT_LINK_ADDR,
+      .elf_target = EM_386,
+      .link_align = 4,
+      .mod_gap = GRUB_KERNEL_I386_COREBOOT_MOD_GAP,
+      .mod_align = GRUB_KERNEL_I386_COREBOOT_MOD_ALIGN
+    },
+    {
+      .dirname = "i386-pc",
+      .names = { "i386-pc", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_I386_PC, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_I386_PC_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_I386_PC_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_PC_LINK_ADDR,
+      .default_compression = GRUB_COMPRESSION_LZMA
+    },
+    {
+      .dirname = "i386-xen_pvh",
+      .names = { "i386-xen_pvh", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_XEN_PVH,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .elf_target = EM_386,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_XEN_PVH_LINK_ADDR,
+      .mod_align = GRUB_KERNEL_I386_XEN_PVH_MOD_ALIGN,
+      .link_align = 4
+    },
+    {
+      .dirname = "i386-pc",
+      .names = { "i386-pc-pxe", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_I386_PC_PXE, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_I386_PC_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_I386_PC_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_PC_LINK_ADDR,
+      .default_compression = GRUB_COMPRESSION_LZMA
+    },
+    {
+      .dirname = "i386-pc",
+      .names = { "i386-pc-eltorito", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_I386_PC_ELTORITO, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_I386_PC_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_I386_PC_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_PC_LINK_ADDR,
+      .default_compression = GRUB_COMPRESSION_LZMA
+    },
+    {
+      .dirname = "i386-efi",
+      .names = { "i386-efi", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_EFI,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI32_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_I386,
+      .elf_target = EM_386,
+    },
+    {
+      .dirname = "i386-ieee1275",
+      .names = { "i386-ieee1275", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_I386_IEEE1275, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_IEEE1275_LINK_ADDR,
+      .elf_target = EM_386,
+      .mod_gap = GRUB_KERNEL_I386_IEEE1275_MOD_GAP,
+      .mod_align = GRUB_KERNEL_I386_IEEE1275_MOD_ALIGN,
+      .link_align = 4,
+    },
+    {
+      .dirname = "i386-qemu",
+      .names = { "i386-qemu", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_QEMU, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_I386_QEMU_LINK_ADDR
+    },
+    {
+      .dirname = "x86_64-efi",
+      .names = { "x86_64-efi", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 0, 
+      .id = IMAGE_EFI, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI64_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_X86_64,
+      .elf_target = EM_X86_64,
+    },
+    {
+      .dirname = "i386-xen",
+      .names = { "i386-xen", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_XEN, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = 0,
+      .elf_target = EM_386,
+      .mod_gap = GRUB_KERNEL_I386_XEN_MOD_GAP,
+      .mod_align = GRUB_KERNEL_I386_XEN_MOD_ALIGN,
+      .link_align = 4
+    },
+    {
+      .dirname = "x86_64-xen",
+      .names = { "x86_64-xen", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 0,
+      .id = IMAGE_XEN, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = 0,
+      .elf_target = EM_X86_64,
+      .mod_gap = GRUB_KERNEL_X86_64_XEN_MOD_GAP,
+      .mod_align = GRUB_KERNEL_X86_64_XEN_MOD_ALIGN,
+      .link_align = 8
+    },
+    {
+      .dirname = "mipsel-loongson",
+      .names = { "mipsel-yeeloong-flash", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_YEELOONG_FLASH, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_LOONGSON_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_LOONGSON_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_LOONGSON_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "mipsel-loongson",
+      .names = { "mipsel-fuloong2f-flash", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_FULOONG2F_FLASH, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_LOONGSON_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_LOONGSON_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_LOONGSON_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "mipsel-loongson",
+      .names = { "mipsel-loongson-elf", "mipsel-yeeloong-elf",
+		 "mipsel-fuloong2f-elf", "mipsel-fuloong2e-elf",
+		 "mipsel-fuloong-elf", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_LOONGSON_ELF, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_LOONGSON_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_LOONGSON_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_LOONGSON_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "powerpc-ieee1275",
+      .names = { "powerpc-ieee1275", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 1,
+      .id = IMAGE_PPC, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_POWERPC_IEEE1275_LINK_ADDR,
+      .elf_target = EM_PPC,
+      .mod_gap = GRUB_KERNEL_POWERPC_IEEE1275_MOD_GAP,
+      .mod_align = GRUB_KERNEL_POWERPC_IEEE1275_MOD_ALIGN,
+      .link_align = 4
+    },
+    {
+      .dirname = "sparc64-ieee1275",
+      .names = { "sparc64-ieee1275-raw", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 1, 
+      .id = IMAGE_SPARC64_RAW,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = GRUB_KERNEL_SPARC64_IEEE1275_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR,
+      .mod_align = GRUB_KERNEL_SPARC64_IEEE1275_MOD_ALIGN,
+    },
+    {
+      .dirname = "sparc64-ieee1275",
+      .names = { "sparc64-ieee1275-cdcore", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 1, 
+      .id = IMAGE_SPARC64_CDCORE,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = GRUB_KERNEL_SPARC64_IEEE1275_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR,
+      .mod_align = GRUB_KERNEL_SPARC64_IEEE1275_MOD_ALIGN,
+    },
+    {
+      .dirname = "sparc64-ieee1275",
+      .names = { "sparc64-ieee1275-aout", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 1,
+      .id = IMAGE_SPARC64_AOUT,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = GRUB_KERNEL_SPARC64_IEEE1275_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_SPARC64_IEEE1275_LINK_ADDR,
+      .mod_align = GRUB_KERNEL_SPARC64_IEEE1275_MOD_ALIGN,
+    },
+    {
+      .dirname = "ia64-efi",
+      .names = {"ia64-efi", NULL},
+      .voidp_sizeof = 8,
+      .bigendian = 0, 
+      .id = IMAGE_EFI, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI64_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_IA64,
+      .elf_target = EM_IA_64,
+    },
+    {
+      .dirname = "mips-arc",
+      .names = {"mips-arc", NULL},
+      .voidp_sizeof = 4,
+      .bigendian = 1,
+      .id = IMAGE_MIPS_ARC, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_ARC_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_ARC_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_ARC_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "mipsel-arc",
+      .names = {"mipsel-arc", NULL},
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_MIPS_ARC, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_ARC_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPSEL_ARC_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_ARC_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "mipsel-qemu_mips",
+      .names = { "mipsel-qemu_mips-elf", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_LOONGSON_ELF, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "mips-qemu_mips",
+      .names = { "mips-qemu_mips-flash", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 1,
+      .id = IMAGE_QEMU_MIPS_FLASH, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "mipsel-qemu_mips",
+      .names = { "mipsel-qemu_mips-flash", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_QEMU_MIPS_FLASH, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "mips-qemu_mips",
+      .names = { "mips-qemu_mips-elf", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 1,
+      .id = IMAGE_LOONGSON_ELF, 
+      .flags = PLATFORM_FLAGS_DECOMPRESSORS,
+      .total_module_size = GRUB_KERNEL_MIPS_QEMU_MIPS_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_COMPRESSED_SIZE,
+      .decompressor_uncompressed_size = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_SIZE,
+      .decompressor_uncompressed_addr = GRUB_DECOMPRESSOR_MIPS_LOONGSON_UNCOMPRESSED_ADDR,
+      .section_align = 1,
+      .vaddr_offset = 0,
+      .link_addr = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ADDR,
+      .elf_target = EM_MIPS,
+      .link_align = GRUB_KERNEL_MIPS_QEMU_MIPS_LINK_ALIGN,
+      .default_compression = GRUB_COMPRESSION_NONE
+    },
+    {
+      .dirname = "arm-uboot",
+      .names = { "arm-uboot", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_UBOOT, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = GRUB_KERNEL_ARM_UBOOT_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN,
+      .vaddr_offset = 0,
+      .elf_target = EM_ARM,
+      .mod_gap = GRUB_KERNEL_ARM_UBOOT_MOD_GAP,
+      .mod_align = GRUB_KERNEL_ARM_UBOOT_MOD_ALIGN,
+      .link_align = 4
+    },
+    /* For coreboot versions that don't support self-relocating images. */
+    {
+      .dirname = "arm-coreboot-vexpress",
+      .names = { "arm-coreboot-vexpress", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_COREBOOT,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = GRUB_KERNEL_ARM_COREBOOT_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN,
+      .vaddr_offset = 0,
+      .elf_target = EM_ARM,
+      .mod_gap = GRUB_KERNEL_ARM_COREBOOT_MOD_GAP,
+      .mod_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN,
+      .link_align = 4,
+      .link_addr = 0x62000000,
+    },
+    {
+      .dirname = "arm-coreboot-veyron",
+      .names = { "arm-coreboot-veyron", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_COREBOOT,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = GRUB_KERNEL_ARM_COREBOOT_TOTAL_MODULE_SIZE,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN,
+      .vaddr_offset = 0,
+      .elf_target = EM_ARM,
+      .mod_gap = GRUB_KERNEL_ARM_COREBOOT_MOD_GAP,
+      .mod_align = GRUB_KERNEL_ARM_COREBOOT_MOD_ALIGN,
+      .link_align = 4,
+      .link_addr = 0x43000000,
+    },
+    {
+      .dirname = "arm-efi",
+      .names = { "arm-efi", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0, 
+      .id = IMAGE_EFI, 
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI32_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_ARMTHUMB_MIXED,
+      .elf_target = EM_ARM,
+    },
+    {
+      .dirname = "arm64-efi",
+      .names = { "arm64-efi", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 0,
+      .id = IMAGE_EFI,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI64_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_ARM64,
+      .elf_target = EM_AARCH64,
+    },
+    {
+      .dirname = "mips64el-efi",
+      .names = { "mips64el-efi", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 0,
+      .id = IMAGE_EFI,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI64_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_MIPS,
+      .elf_target = EM_MIPS,
+    },
+    {
+      .dirname = "riscv32-efi",
+      .names = { "riscv32-efi", NULL },
+      .voidp_sizeof = 4,
+      .bigendian = 0,
+      .id = IMAGE_EFI,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI32_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_RISCV32,
+      .elf_target = EM_RISCV,
+    },
+    {
+      .dirname = "riscv64-efi",
+      .names = { "riscv64-efi", NULL },
+      .voidp_sizeof = 8,
+      .bigendian = 0,
+      .id = IMAGE_EFI,
+      .flags = PLATFORM_FLAGS_NONE,
+      .total_module_size = TARGET_NO_FIELD,
+      .decompressor_compressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_size = TARGET_NO_FIELD,
+      .decompressor_uncompressed_addr = TARGET_NO_FIELD,
+      .section_align = GRUB_PE32_SECTION_ALIGNMENT,
+      .vaddr_offset = EFI64_HEADER_SIZE,
+      .pe_target = GRUB_PE32_MACHINE_RISCV64,
+      .elf_target = EM_RISCV,
+    },
+  };
+
+#include <grub/lib/LzmaEnc.h>
+
+static void *SzAlloc(void *p __attribute__ ((unused)), size_t size) { return xmalloc(size); }
+static void SzFree(void *p __attribute__ ((unused)), void *address) { free(address); }
+static ISzAlloc g_Alloc = { SzAlloc, SzFree };
+
+static void
+compress_kernel_lzma (char *kernel_img, size_t kernel_size,
+		      char **core_img, size_t *core_size)
+{
+  CLzmaEncProps props;
+  unsigned char out_props[5];
+  size_t out_props_size = 5;
+
+  LzmaEncProps_Init(&props);
+  props.dictSize = 1 << 16;
+  props.lc = 3;
+  props.lp = 0;
+  props.pb = 2;
+  props.numThreads = 1;
+
+  *core_img = xmalloc (kernel_size);
+
+  *core_size = kernel_size;
+  if (LzmaEncode ((unsigned char *) *core_img, core_size,
+		  (unsigned char *) kernel_img,
+		  kernel_size,
+		  &props, out_props, &out_props_size,
+		  0, NULL, &g_Alloc, &g_Alloc) != SZ_OK)
+    grub_util_error ("%s", _("cannot compress the kernel image"));
+}
+
+#ifdef USE_LIBLZMA
+static void
+compress_kernel_xz (char *kernel_img, size_t kernel_size,
+		    char **core_img, size_t *core_size)
+{
+  lzma_stream strm = LZMA_STREAM_INIT;
+  lzma_ret xzret;
+  lzma_options_lzma lzopts = {
+    .dict_size = 1 << 16,
+    .preset_dict = NULL,
+    .preset_dict_size = 0,
+    .lc = 3,
+    .lp = 0,
+    .pb = 2,
+    .mode = LZMA_MODE_NORMAL,
+    .nice_len = 64,
+    .mf = LZMA_MF_BT4,
+    .depth = 0,
+  };
+  lzma_filter fltrs[] = {
+    { .id = LZMA_FILTER_LZMA2, .options = &lzopts},
+    { .id = LZMA_VLI_UNKNOWN, .options = NULL}
+  };
+
+  xzret = lzma_stream_encoder (&strm, fltrs, LZMA_CHECK_NONE);
+  if (xzret != LZMA_OK)
+    grub_util_error ("%s", _("cannot compress the kernel image"));
+
+  *core_img = xmalloc (kernel_size);
+
+  *core_size = kernel_size;
+  strm.next_in = (unsigned char *) kernel_img;
+  strm.avail_in = kernel_size;
+  strm.next_out = (unsigned char *) *core_img;
+  strm.avail_out = *core_size;
+
+  while (1)
+    {
+      xzret = lzma_code (&strm, LZMA_FINISH);
+      if (xzret == LZMA_OK)
+	continue;
+      if (xzret == LZMA_STREAM_END)
+	break;
+      grub_util_error ("%s", _("cannot compress the kernel image"));
+    }
+
+  *core_size -= strm.avail_out;
+}
+#endif
+
+static void
+compress_kernel (const struct grub_install_image_target_desc *image_target, char *kernel_img,
+		 size_t kernel_size, char **core_img, size_t *core_size,
+		 grub_compression_t comp)
+{
+  if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS
+      && (comp == GRUB_COMPRESSION_LZMA))
+    {
+      compress_kernel_lzma (kernel_img, kernel_size, core_img,
+			    core_size);
+      return;
+    }
+
+#ifdef USE_LIBLZMA
+ if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS
+     && (comp == GRUB_COMPRESSION_XZ))
+   {
+     compress_kernel_xz (kernel_img, kernel_size, core_img,
+			 core_size);
+     return;
+   }
+#endif
+
+ if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS
+     && (comp != GRUB_COMPRESSION_NONE))
+   grub_util_error (_("unknown compression %d"), comp);
+
+  *core_img = xmalloc (kernel_size);
+  memcpy (*core_img, kernel_img, kernel_size);
+  *core_size = kernel_size;
+}
+
+const struct grub_install_image_target_desc *
+grub_install_get_image_target (const char *arg)
+{
+  unsigned i, j;
+  for (i = 0; i < ARRAY_SIZE (image_targets); i++)
+    for (j = 0; j < ARRAY_SIZE (image_targets[i].names) &&
+		    image_targets[i].names[j]; j++)
+      if (strcmp (arg, image_targets[i].names[j]) == 0)
+	return &image_targets[i];
+  return NULL;
+}
+
+const char *
+grub_util_get_target_dirname (const struct grub_install_image_target_desc *t)
+{
+  return t->dirname;
+}
+
+const char *
+grub_util_get_target_name (const struct grub_install_image_target_desc *t)
+{
+  return t->names[0];
+}
+
+char *
+grub_install_get_image_targets_string (void)
+{
+  int format_len = 0;
+  char *formats;
+  char *ptr;
+  unsigned i;
+  for (i = 0; i < ARRAY_SIZE (image_targets); i++)
+    format_len += strlen (image_targets[i].names[0]) + 2;
+  ptr = formats = xmalloc (format_len);
+  for (i = 0; i < ARRAY_SIZE (image_targets); i++)
+    {
+      strcpy (ptr, image_targets[i].names[0]);
+      ptr += strlen (image_targets[i].names[0]);
+      *ptr++ = ',';
+      *ptr++ = ' ';
+    }
+  ptr[-2] = 0;
+
+  return formats;
+}
+
+void
+grub_install_generate_image (const char *dir, const char *prefix,
+			     FILE *out, const char *outname, char *mods[],
+			     char *memdisk_path, char **pubkey_paths,
+			     size_t npubkeys, char *config_path,
+			     const struct grub_install_image_target_desc *image_target,
+			     int note, grub_compression_t comp, const char *dtb_path)
+{
+  char *kernel_img, *core_img;
+  size_t total_module_size, core_size;
+  size_t memdisk_size = 0, config_size = 0;
+  size_t prefix_size = 0, dtb_size = 0;
+  char *kernel_path;
+  size_t offset;
+  struct grub_util_path_list *path_list, *p;
+  size_t decompress_size = 0;
+  struct grub_mkimage_layout layout;
+
+  if (comp == GRUB_COMPRESSION_AUTO)
+    comp = image_target->default_compression;
+
+  if (image_target->id == IMAGE_I386_PC
+      || image_target->id == IMAGE_I386_PC_PXE
+      || image_target->id == IMAGE_I386_PC_ELTORITO)
+    comp = GRUB_COMPRESSION_LZMA;
+
+  path_list = grub_util_resolve_dependencies (dir, "moddep.lst", mods);
+
+  kernel_path = grub_util_get_path (dir, "kernel.img");
+
+  if (image_target->voidp_sizeof == 8)
+    total_module_size = sizeof (struct grub_module_info64);
+  else
+    total_module_size = sizeof (struct grub_module_info32);
+
+  {
+    size_t i;
+    for (i = 0; i < npubkeys; i++)
+      {
+	size_t curs;
+	curs = ALIGN_ADDR (grub_util_get_image_size (pubkey_paths[i]));
+	grub_util_info ("the size of public key %u is 0x%"
+			GRUB_HOST_PRIxLONG_LONG,
+			(unsigned) i, (unsigned long long) curs);
+	total_module_size += curs + sizeof (struct grub_module_header);
+      }
+  }
+
+  if (memdisk_path)
+    {
+      memdisk_size = ALIGN_UP(grub_util_get_image_size (memdisk_path), 512);
+      grub_util_info ("the size of memory disk is 0x%" GRUB_HOST_PRIxLONG_LONG,
+		      (unsigned long long) memdisk_size);
+      total_module_size += memdisk_size + sizeof (struct grub_module_header);
+    }
+
+  if (dtb_path)
+    {
+      dtb_size = ALIGN_ADDR(grub_util_get_image_size (dtb_path));
+      total_module_size += dtb_size + sizeof (struct grub_module_header);
+    }
+
+  if (config_path)
+    {
+      config_size = ALIGN_ADDR (grub_util_get_image_size (config_path) + 1);
+      grub_util_info ("the size of config file is 0x%" GRUB_HOST_PRIxLONG_LONG,
+		      (unsigned long long) config_size);
+      total_module_size += config_size + sizeof (struct grub_module_header);
+    }
+
+  if (prefix)
+    {
+      prefix_size = ALIGN_ADDR (strlen (prefix) + 1);
+      total_module_size += prefix_size + sizeof (struct grub_module_header);
+    }
+
+  for (p = path_list; p; p = p->next)
+    total_module_size += (ALIGN_ADDR (grub_util_get_image_size (p->name))
+			  + sizeof (struct grub_module_header));
+
+  grub_util_info ("the total module size is 0x%" GRUB_HOST_PRIxLONG_LONG,
+		  (unsigned long long) total_module_size);
+
+  if (image_target->voidp_sizeof == 4)
+    kernel_img = grub_mkimage_load_image32 (kernel_path, total_module_size,
+					    &layout, image_target);
+  else
+    kernel_img = grub_mkimage_load_image64 (kernel_path, total_module_size,
+					    &layout, image_target);
+  if ((image_target->id == IMAGE_XEN || image_target->id == IMAGE_XEN_PVH) &&
+      layout.align < 4096)
+    layout.align = 4096;
+
+  if ((image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS)
+      && (image_target->total_module_size != TARGET_NO_FIELD))
+    *((grub_uint32_t *) (kernel_img + image_target->total_module_size))
+      = grub_host_to_target32 (total_module_size);
+
+  if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
+    {
+      memmove (kernel_img + total_module_size, kernel_img, layout.kernel_size);
+      memset (kernel_img, 0, total_module_size);
+    }
+
+  if (image_target->voidp_sizeof == 8)
+    {
+      /* Fill in the grub_module_info structure.  */
+      struct grub_module_info64 *modinfo;
+      if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
+	modinfo = (struct grub_module_info64 *) kernel_img;
+      else
+	modinfo = (struct grub_module_info64 *) (kernel_img + layout.kernel_size);
+      modinfo->magic = grub_host_to_target32 (GRUB_MODULE_MAGIC);
+      modinfo->offset = grub_host_to_target_addr (sizeof (struct grub_module_info64));
+      modinfo->size = grub_host_to_target_addr (total_module_size);
+      if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
+	offset = sizeof (struct grub_module_info64);
+      else
+	offset = layout.kernel_size + sizeof (struct grub_module_info64);
+    }
+  else
+    {
+      /* Fill in the grub_module_info structure.  */
+      struct grub_module_info32 *modinfo;
+      if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
+	modinfo = (struct grub_module_info32 *) kernel_img;
+      else
+	modinfo = (struct grub_module_info32 *) (kernel_img + layout.kernel_size);
+      modinfo->magic = grub_host_to_target32 (GRUB_MODULE_MAGIC);
+      modinfo->offset = grub_host_to_target_addr (sizeof (struct grub_module_info32));
+      modinfo->size = grub_host_to_target_addr (total_module_size);
+      if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
+	offset = sizeof (struct grub_module_info32);
+      else
+	offset = layout.kernel_size + sizeof (struct grub_module_info32);
+    }
+
+  for (p = path_list; p; p = p->next)
+    {
+      struct grub_module_header *header;
+      size_t mod_size;
+
+      mod_size = ALIGN_ADDR (grub_util_get_image_size (p->name));
+
+      header = (struct grub_module_header *) (kernel_img + offset);
+      header->type = grub_host_to_target32 (OBJ_TYPE_ELF);
+      header->size = grub_host_to_target32 (mod_size + sizeof (*header));
+      offset += sizeof (*header);
+
+      grub_util_load_image (p->name, kernel_img + offset);
+      offset += mod_size;
+    }
+
+  {
+    size_t i;
+    for (i = 0; i < npubkeys; i++)
+      {
+	size_t curs;
+	struct grub_module_header *header;
+
+	curs = grub_util_get_image_size (pubkey_paths[i]);
+
+	header = (struct grub_module_header *) (kernel_img + offset);
+	header->type = grub_host_to_target32 (OBJ_TYPE_PUBKEY);
+	header->size = grub_host_to_target32 (curs + sizeof (*header));
+	offset += sizeof (*header);
+
+	grub_util_load_image (pubkey_paths[i], kernel_img + offset);
+	offset += ALIGN_ADDR (curs);
+      }
+  }
+
+  if (memdisk_path)
+    {
+      struct grub_module_header *header;
+
+      header = (struct grub_module_header *) (kernel_img + offset);
+      header->type = grub_host_to_target32 (OBJ_TYPE_MEMDISK);
+      header->size = grub_host_to_target32 (memdisk_size + sizeof (*header));
+      offset += sizeof (*header);
+
+      grub_util_load_image (memdisk_path, kernel_img + offset);
+      offset += memdisk_size;
+    }
+
+  if (dtb_path)
+    {
+      struct grub_module_header *header;
+
+      header = (struct grub_module_header *) (kernel_img + offset);
+      header->type = grub_host_to_target32 (OBJ_TYPE_DTB);
+      header->size = grub_host_to_target32 (dtb_size + sizeof (*header));
+      offset += sizeof (*header);
+
+      grub_util_load_image (dtb_path, kernel_img + offset);
+      offset += dtb_size;
+    }
+
+  if (config_path)
+    {
+      struct grub_module_header *header;
+
+      header = (struct grub_module_header *) (kernel_img + offset);
+      header->type = grub_host_to_target32 (OBJ_TYPE_CONFIG);
+      header->size = grub_host_to_target32 (config_size + sizeof (*header));
+      offset += sizeof (*header);
+
+      grub_util_load_image (config_path, kernel_img + offset);
+      offset += config_size;
+    }
+
+  if (prefix)
+    {
+      struct grub_module_header *header;
+
+      header = (struct grub_module_header *) (kernel_img + offset);
+      header->type = grub_host_to_target32 (OBJ_TYPE_PREFIX);
+      header->size = grub_host_to_target32 (prefix_size + sizeof (*header));
+      offset += sizeof (*header);
+
+      grub_strcpy (kernel_img + offset, prefix);
+      offset += prefix_size;
+    }
+
+  grub_util_info ("kernel_img=%p, kernel_size=0x%" GRUB_HOST_PRIxLONG_LONG,
+		  kernel_img,
+		  (unsigned long long) layout.kernel_size);
+  compress_kernel (image_target, kernel_img, layout.kernel_size + total_module_size,
+		   &core_img, &core_size, comp);
+  free (kernel_img);
+
+  grub_util_info ("the core size is 0x%" GRUB_HOST_PRIxLONG_LONG,
+		  (unsigned long long) core_size);
+
+  if (!(image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS) 
+      && image_target->total_module_size != TARGET_NO_FIELD)
+    *((grub_uint32_t *) (core_img + image_target->total_module_size))
+      = grub_host_to_target32 (total_module_size);
+
+  if (image_target->flags & PLATFORM_FLAGS_DECOMPRESSORS)
+    {
+      char *full_img;
+      size_t full_size;
+      char *decompress_path, *decompress_img;
+      const char *name;
+
+      switch (comp)
+	{
+	case GRUB_COMPRESSION_XZ:
+	  name = "xz_decompress.img";
+	  break;
+	case GRUB_COMPRESSION_LZMA:
+	  name = "lzma_decompress.img";
+	  break;
+	case GRUB_COMPRESSION_NONE:
+	  name = "none_decompress.img";
+	  break;
+	default:
+	  grub_util_error (_("unknown compression %d"), comp);
+	}
+      
+      decompress_path = grub_util_get_path (dir, name);
+      decompress_size = grub_util_get_image_size (decompress_path);
+      decompress_img = grub_util_read_image (decompress_path);
+
+      if ((image_target->id == IMAGE_I386_PC
+	   || image_target->id == IMAGE_I386_PC_PXE
+	   || image_target->id == IMAGE_I386_PC_ELTORITO)
+	  && decompress_size > GRUB_KERNEL_I386_PC_LINK_ADDR - 0x8200)
+	grub_util_error ("%s", _("Decompressor is too big"));
+
+      if (image_target->decompressor_compressed_size != TARGET_NO_FIELD)
+	*((grub_uint32_t *) (decompress_img
+			     + image_target->decompressor_compressed_size))
+	  = grub_host_to_target32 (core_size);
+
+      if (image_target->decompressor_uncompressed_size != TARGET_NO_FIELD)
+	*((grub_uint32_t *) (decompress_img
+			     + image_target->decompressor_uncompressed_size))
+	  = grub_host_to_target32 (layout.kernel_size + total_module_size);
+
+      if (image_target->decompressor_uncompressed_addr != TARGET_NO_FIELD)
+	{
+	  if (image_target->flags & PLATFORM_FLAGS_MODULES_BEFORE_KERNEL)
+	    *((grub_uint32_t *) (decompress_img + image_target->decompressor_uncompressed_addr))
+	      = grub_host_to_target_addr (image_target->link_addr - total_module_size);
+	  else
+	    *((grub_uint32_t *) (decompress_img + image_target->decompressor_uncompressed_addr))
+	      = grub_host_to_target_addr (image_target->link_addr);
+	}
+      full_size = core_size + decompress_size;
+
+      full_img = xmalloc (full_size);
+
+      memcpy (full_img, decompress_img, decompress_size);
+
+      memcpy (full_img + decompress_size, core_img, core_size);
+
+      free (core_img);
+      core_img = full_img;
+      core_size = full_size;
+      free (decompress_img);
+      free (decompress_path);
+    }
+
+  switch (image_target->id)
+    {
+    case IMAGE_I386_PC:
+    case IMAGE_I386_PC_PXE:
+    case IMAGE_I386_PC_ELTORITO:
+	if (GRUB_KERNEL_I386_PC_LINK_ADDR + core_size > 0x78000
+	    || (core_size > (0xffff << GRUB_DISK_SECTOR_BITS))
+	    || (layout.kernel_size + layout.bss_size
+		+ GRUB_KERNEL_I386_PC_LINK_ADDR > 0x68000))
+	  grub_util_error (_("core image is too big (0x%x > 0x%x)"),
+			   GRUB_KERNEL_I386_PC_LINK_ADDR + (unsigned) core_size,
+			   0x78000);
+	/* fallthrough */
+    case IMAGE_COREBOOT:
+    case IMAGE_QEMU:
+	if (image_target->elf_target != EM_ARM && layout.kernel_size + layout.bss_size + GRUB_KERNEL_I386_PC_LINK_ADDR > 0x68000)
+	  grub_util_error (_("kernel image is too big (0x%x > 0x%x)"),
+			   (unsigned) layout.kernel_size + (unsigned) layout.bss_size
+			   + GRUB_KERNEL_I386_PC_LINK_ADDR,
+			   0x68000);
+	break;
+    case IMAGE_LOONGSON_ELF:
+    case IMAGE_YEELOONG_FLASH:
+    case IMAGE_FULOONG2F_FLASH:
+    case IMAGE_EFI:
+    case IMAGE_MIPS_ARC:
+    case IMAGE_QEMU_MIPS_FLASH:
+    case IMAGE_XEN:
+    case IMAGE_XEN_PVH:
+      break;
+    case IMAGE_SPARC64_AOUT:
+    case IMAGE_SPARC64_RAW:
+    case IMAGE_SPARC64_CDCORE:
+    case IMAGE_I386_IEEE1275:
+    case IMAGE_PPC:
+    case IMAGE_UBOOT:
+      break;
+    }
+
+  switch (image_target->id)
+    {
+    case IMAGE_I386_PC:
+    case IMAGE_I386_PC_PXE:
+    case IMAGE_I386_PC_ELTORITO:
+      {
+	unsigned num;
+	char *boot_path, *boot_img;
+	size_t boot_size;
+
+	num = ((core_size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS);
+	if (image_target->id == IMAGE_I386_PC_PXE)
+	  {
+	    char *pxeboot_path, *pxeboot_img;
+	    size_t pxeboot_size;
+	    grub_uint32_t *ptr;
+	    
+	    pxeboot_path = grub_util_get_path (dir, "pxeboot.img");
+	    pxeboot_size = grub_util_get_image_size (pxeboot_path);
+	    pxeboot_img = grub_util_read_image (pxeboot_path);
+	    
+	    grub_util_write_image (pxeboot_img, pxeboot_size, out,
+				   outname);
+	    free (pxeboot_img);
+	    free (pxeboot_path);
+
+	    /* Remove Multiboot header to avoid confusing ipxe.  */
+	    for (ptr = (grub_uint32_t *) core_img;
+		 ptr < (grub_uint32_t *) (core_img + MULTIBOOT_SEARCH); ptr++)
+	      if (*ptr == grub_host_to_target32 (MULTIBOOT_HEADER_MAGIC)
+		  && grub_target_to_host32 (ptr[0])
+		  + grub_target_to_host32 (ptr[1])
+		  + grub_target_to_host32 (ptr[2]) == 0)
+		{
+		  *ptr = 0;
+		  break;
+		}
+	  }
+
+	if (image_target->id == IMAGE_I386_PC_ELTORITO)
+	  {
+	    char *eltorito_path, *eltorito_img;
+	    size_t eltorito_size;
+	    
+	    eltorito_path = grub_util_get_path (dir, "cdboot.img");
+	    eltorito_size = grub_util_get_image_size (eltorito_path);
+	    eltorito_img = grub_util_read_image (eltorito_path);
+	    
+	    grub_util_write_image (eltorito_img, eltorito_size, out,
+				   outname);
+	    free (eltorito_img);
+	    free (eltorito_path);
+	  }
+
+	boot_path = grub_util_get_path (dir, "diskboot.img");
+	boot_size = grub_util_get_image_size (boot_path);
+	if (boot_size != GRUB_DISK_SECTOR_SIZE)
+	  grub_util_error (_("diskboot.img size must be %u bytes"),
+			   GRUB_DISK_SECTOR_SIZE);
+
+	boot_img = grub_util_read_image (boot_path);
+
+	{
+	  struct grub_pc_bios_boot_blocklist *block;
+	  block = (struct grub_pc_bios_boot_blocklist *) (boot_img
+							  + GRUB_DISK_SECTOR_SIZE
+							  - sizeof (*block));
+	  block->len = grub_host_to_target16 (num);
+
+	  /* This is filled elsewhere.  Verify it just in case.  */
+	  assert (block->segment
+		  == grub_host_to_target16 (GRUB_BOOT_I386_PC_KERNEL_SEG
+					    + (GRUB_DISK_SECTOR_SIZE >> 4)));
+	}
+
+	grub_util_write_image (boot_img, boot_size, out, outname);
+	free (boot_img);
+	free (boot_path);
+      }
+      break;
+    case IMAGE_EFI:
+      {
+	void *pe_img;
+	grub_uint8_t *header;
+	void *sections;
+	size_t pe_size;
+	struct grub_pe32_coff_header *c;
+	struct grub_pe32_section_table *text_section, *data_section;
+	struct grub_pe32_section_table *mods_section, *reloc_section;
+	static const grub_uint8_t stub[] = GRUB_PE32_MSDOS_STUB;
+	int header_size;
+	int reloc_addr;
+
+	if (image_target->voidp_sizeof == 4)
+	  header_size = EFI32_HEADER_SIZE;
+	else
+	  header_size = EFI64_HEADER_SIZE;
+
+	reloc_addr = ALIGN_UP (header_size + core_size,
+			       GRUB_PE32_FILE_ALIGNMENT);
+
+	pe_size = ALIGN_UP (reloc_addr + layout.reloc_size,
+			    GRUB_PE32_FILE_ALIGNMENT);
+	pe_img = xmalloc (reloc_addr + layout.reloc_size);
+	memset (pe_img, 0, header_size);
+	memcpy ((char *) pe_img + header_size, core_img, core_size);
+	memset ((char *) pe_img + header_size + core_size, 0, reloc_addr - (header_size + core_size));
+	memcpy ((char *) pe_img + reloc_addr, layout.reloc_section, layout.reloc_size);
+	header = pe_img;
+
+	/* The magic.  */
+	memcpy (header, stub, GRUB_PE32_MSDOS_STUB_SIZE);
+	memcpy (header + GRUB_PE32_MSDOS_STUB_SIZE, "PE\0\0",
+		GRUB_PE32_SIGNATURE_SIZE);
+
+	/* The COFF file header.  */
+	c = (struct grub_pe32_coff_header *) (header + GRUB_PE32_MSDOS_STUB_SIZE
+					      + GRUB_PE32_SIGNATURE_SIZE);
+	c->machine = grub_host_to_target16 (image_target->pe_target);
+
+	c->num_sections = grub_host_to_target16 (4);
+	c->time = grub_host_to_target32 (STABLE_EMBEDDING_TIMESTAMP);
+	c->characteristics = grub_host_to_target16 (GRUB_PE32_EXECUTABLE_IMAGE
+						    | GRUB_PE32_LINE_NUMS_STRIPPED
+						    | ((image_target->voidp_sizeof == 4)
+						       ? GRUB_PE32_32BIT_MACHINE
+						       : 0)
+						    | GRUB_PE32_LOCAL_SYMS_STRIPPED
+						    | GRUB_PE32_DEBUG_STRIPPED);
+
+	/* The PE Optional header.  */
+	if (image_target->voidp_sizeof == 4)
+	  {
+	    struct grub_pe32_optional_header *o;
+
+	    c->optional_header_size = grub_host_to_target16 (sizeof (struct grub_pe32_optional_header));
+
+	    o = (struct grub_pe32_optional_header *)
+	      (header + GRUB_PE32_MSDOS_STUB_SIZE + GRUB_PE32_SIGNATURE_SIZE
+	       + sizeof (struct grub_pe32_coff_header));
+	    o->magic = grub_host_to_target16 (GRUB_PE32_PE32_MAGIC);
+	    o->code_size = grub_host_to_target32 (layout.exec_size);
+	    o->data_size = grub_cpu_to_le32 (reloc_addr - layout.exec_size
+					     - header_size);
+	    o->bss_size = grub_cpu_to_le32 (layout.bss_size);
+	    o->entry_addr = grub_cpu_to_le32 (layout.start_address);
+	    o->code_base = grub_cpu_to_le32 (header_size);
+
+	    o->data_base = grub_host_to_target32 (header_size + layout.exec_size);
+
+	    o->image_base = 0;
+	    o->section_alignment = grub_host_to_target32 (image_target->section_align);
+	    o->file_alignment = grub_host_to_target32 (GRUB_PE32_FILE_ALIGNMENT);
+	    o->image_size = grub_host_to_target32 (pe_size);
+	    o->header_size = grub_host_to_target32 (header_size);
+	    o->subsystem = grub_host_to_target16 (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION);
+
+	    /* Do these really matter? */
+	    o->stack_reserve_size = grub_host_to_target32 (0x10000);
+	    o->stack_commit_size = grub_host_to_target32 (0x10000);
+	    o->heap_reserve_size = grub_host_to_target32 (0x10000);
+	    o->heap_commit_size = grub_host_to_target32 (0x10000);
+    
+	    o->num_data_directories = grub_host_to_target32 (GRUB_PE32_NUM_DATA_DIRECTORIES);
+
+	    o->base_relocation_table.rva = grub_host_to_target32 (reloc_addr);
+	    o->base_relocation_table.size = grub_host_to_target32 (layout.reloc_size);
+	    sections = o + 1;
+	  }
+	else
+	  {
+	    struct grub_pe64_optional_header *o;
+
+	    c->optional_header_size = grub_host_to_target16 (sizeof (struct grub_pe64_optional_header));
+
+	    o = (struct grub_pe64_optional_header *) 
+	      (header + GRUB_PE32_MSDOS_STUB_SIZE + GRUB_PE32_SIGNATURE_SIZE
+	       + sizeof (struct grub_pe32_coff_header));
+	    o->magic = grub_host_to_target16 (GRUB_PE32_PE64_MAGIC);
+	    o->code_size = grub_host_to_target32 (layout.exec_size);
+	    o->data_size = grub_cpu_to_le32 (reloc_addr - layout.exec_size
+					     - header_size);
+	    o->bss_size = grub_cpu_to_le32 (layout.bss_size);
+	    o->entry_addr = grub_cpu_to_le32 (layout.start_address);
+	    o->code_base = grub_cpu_to_le32 (header_size);
+	    o->image_base = 0;
+	    o->section_alignment = grub_host_to_target32 (image_target->section_align);
+	    o->file_alignment = grub_host_to_target32 (GRUB_PE32_FILE_ALIGNMENT);
+	    o->image_size = grub_host_to_target32 (pe_size);
+	    o->header_size = grub_host_to_target32 (header_size);
+	    o->subsystem = grub_host_to_target16 (GRUB_PE32_SUBSYSTEM_EFI_APPLICATION);
+
+	    /* Do these really matter? */
+	    o->stack_reserve_size = grub_host_to_target64 (0x10000);
+	    o->stack_commit_size = grub_host_to_target64 (0x10000);
+	    o->heap_reserve_size = grub_host_to_target64 (0x10000);
+	    o->heap_commit_size = grub_host_to_target64 (0x10000);
+    
+	    o->num_data_directories
+	      = grub_host_to_target32 (GRUB_PE32_NUM_DATA_DIRECTORIES);
+
+	    o->base_relocation_table.rva = grub_host_to_target32 (reloc_addr);
+	    o->base_relocation_table.size = grub_host_to_target32 (layout.reloc_size);
+	    sections = o + 1;
+	  }
+	/* The sections.  */
+	text_section = sections;
+	strcpy (text_section->name, ".text");
+	text_section->virtual_size = grub_cpu_to_le32 (layout.exec_size);
+	text_section->virtual_address = grub_cpu_to_le32 (header_size);
+	text_section->raw_data_size = grub_cpu_to_le32 (layout.exec_size);
+	text_section->raw_data_offset = grub_cpu_to_le32 (header_size);
+	text_section->characteristics = grub_cpu_to_le32_compile_time (
+						  GRUB_PE32_SCN_CNT_CODE
+						| GRUB_PE32_SCN_MEM_EXECUTE
+						| GRUB_PE32_SCN_MEM_READ);
+
+	data_section = text_section + 1;
+	strcpy (data_section->name, ".data");
+	data_section->virtual_size = grub_cpu_to_le32 (layout.kernel_size - layout.exec_size);
+	data_section->virtual_address = grub_cpu_to_le32 (header_size + layout.exec_size);
+	data_section->raw_data_size = grub_cpu_to_le32 (layout.kernel_size - layout.exec_size);
+	data_section->raw_data_offset = grub_cpu_to_le32 (header_size + layout.exec_size);
+	data_section->characteristics
+	  = grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_CNT_INITIALIZED_DATA
+			      | GRUB_PE32_SCN_MEM_READ
+			      | GRUB_PE32_SCN_MEM_WRITE);
+
+#if 0
+	bss_section = data_section + 1;
+	strcpy (bss_section->name, ".bss");
+	bss_section->virtual_size = grub_cpu_to_le32 (layout.bss_size);
+	bss_section->virtual_address = grub_cpu_to_le32 (header_size + layout.kernel_size);
+	bss_section->raw_data_size = 0;
+	bss_section->raw_data_offset = 0;
+	bss_section->characteristics
+	  = grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_MEM_READ
+			      | GRUB_PE32_SCN_MEM_WRITE
+			      | GRUB_PE32_SCN_ALIGN_64BYTES
+			      | GRUB_PE32_SCN_CNT_INITIALIZED_DATA
+			      | 0x80);
+#endif
+    
+	mods_section = data_section + 1;
+	strcpy (mods_section->name, "mods");
+	mods_section->virtual_size = grub_cpu_to_le32 (reloc_addr - layout.kernel_size - header_size);
+	mods_section->virtual_address = grub_cpu_to_le32 (header_size + layout.kernel_size + layout.bss_size);
+	mods_section->raw_data_size = grub_cpu_to_le32 (reloc_addr - layout.kernel_size - header_size);
+	mods_section->raw_data_offset = grub_cpu_to_le32 (header_size + layout.kernel_size);
+	mods_section->characteristics
+	  = grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_CNT_INITIALIZED_DATA
+			      | GRUB_PE32_SCN_MEM_READ
+			      | GRUB_PE32_SCN_MEM_WRITE);
+
+	reloc_section = mods_section + 1;
+	strcpy (reloc_section->name, ".reloc");
+	reloc_section->virtual_size = grub_cpu_to_le32 (layout.reloc_size);
+	reloc_section->virtual_address = grub_cpu_to_le32 (reloc_addr + layout.bss_size);
+	reloc_section->raw_data_size = grub_cpu_to_le32 (layout.reloc_size);
+	reloc_section->raw_data_offset = grub_cpu_to_le32 (reloc_addr);
+	reloc_section->characteristics
+	  = grub_cpu_to_le32_compile_time (GRUB_PE32_SCN_CNT_INITIALIZED_DATA
+			      | GRUB_PE32_SCN_MEM_DISCARDABLE
+			      | GRUB_PE32_SCN_MEM_READ);
+	free (core_img);
+	core_img = pe_img;
+	core_size = pe_size;
+      }
+      break;
+    case IMAGE_QEMU:
+      {
+	char *rom_img;
+	size_t rom_size;
+	char *boot_path, *boot_img;
+	size_t boot_size;
+
+	boot_path = grub_util_get_path (dir, "boot.img");
+	boot_size = grub_util_get_image_size (boot_path);
+	boot_img = grub_util_read_image (boot_path);
+
+	/* Rom sizes must be 64k-aligned.  */
+	rom_size = ALIGN_UP (core_size + boot_size, 64 * 1024);
+
+	rom_img = xmalloc (rom_size);
+	memset (rom_img, 0, rom_size);
+
+	*((grub_int32_t *) (core_img + GRUB_KERNEL_I386_QEMU_CORE_ENTRY_ADDR))
+	  = grub_host_to_target32 ((grub_uint32_t) -rom_size);
+
+	memcpy (rom_img, core_img, core_size);
+
+	*((grub_int32_t *) (boot_img + GRUB_BOOT_I386_QEMU_CORE_ENTRY_ADDR))
+	  = grub_host_to_target32 ((grub_uint32_t) -rom_size);
+
+	memcpy (rom_img + rom_size - boot_size, boot_img, boot_size);
+
+	free (core_img);
+	core_img = rom_img;
+	core_size = rom_size;
+
+	free (boot_img);
+	free (boot_path);
+      }
+      break;
+    case IMAGE_SPARC64_AOUT:
+      {
+	void *aout_img;
+	size_t aout_size;
+	struct grub_aout32_header *aout_head;
+
+	aout_size = core_size + sizeof (*aout_head);
+	aout_img = xmalloc (aout_size);
+	aout_head = aout_img;
+	grub_memset (aout_head, 0, sizeof (*aout_head));
+	aout_head->a_midmag = grub_host_to_target32 ((AOUT_MID_SUN << 16)
+						     | AOUT32_OMAGIC);
+	aout_head->a_text = grub_host_to_target32 (core_size);
+	aout_head->a_entry
+	  = grub_host_to_target32 (GRUB_BOOT_SPARC64_IEEE1275_IMAGE_ADDRESS);
+	memcpy ((char *) aout_img + sizeof (*aout_head), core_img, core_size);
+
+	free (core_img);
+	core_img = aout_img;
+	core_size = aout_size;
+      }
+      break;
+    case IMAGE_SPARC64_RAW:
+      {
+	unsigned int num;
+	char *boot_path, *boot_img;
+	size_t boot_size;
+
+	num = ((core_size + GRUB_DISK_SECTOR_SIZE - 1) >> GRUB_DISK_SECTOR_BITS);
+	num <<= GRUB_DISK_SECTOR_BITS;
+
+	boot_path = grub_util_get_path (dir, "diskboot.img");
+	boot_size = grub_util_get_image_size (boot_path);
+	if (boot_size != GRUB_DISK_SECTOR_SIZE)
+	  grub_util_error (_("diskboot.img size must be %u bytes"),
+			   GRUB_DISK_SECTOR_SIZE);
+
+	boot_img = grub_util_read_image (boot_path);
+
+	*((grub_uint32_t *) (boot_img + GRUB_DISK_SECTOR_SIZE
+			     - GRUB_BOOT_SPARC64_IEEE1275_LIST_SIZE + 8))
+	  = grub_host_to_target32 (num);
+
+	grub_util_write_image (boot_img, boot_size, out, outname);
+	free (boot_img);
+	free (boot_path);
+      }
+      break;
+    case IMAGE_SPARC64_CDCORE:
+      break;
+    case IMAGE_YEELOONG_FLASH:
+    case IMAGE_FULOONG2F_FLASH:
+    {
+      char *rom_img;
+      size_t rom_size;
+      char *boot_path, *boot_img;
+      size_t boot_size;
+      /* fwstart.img is the only part which can't be tested by using *-elf
+	 target. Check it against the checksum. */
+      const grub_uint8_t yeeloong_fwstart_good_hash[512 / 8] = 
+	{
+	  0x5f, 0x67, 0x46, 0x57, 0x31, 0x30, 0xc5, 0x0a,
+	  0xe9, 0x98, 0x18, 0xc9, 0xf3, 0xca, 0x45, 0xa5,
+	  0x75, 0x64, 0x6b, 0xbb, 0x24, 0xcd, 0xb4, 0xbc,
+	  0xf2, 0x3e, 0x23, 0xf9, 0xc2, 0x6a, 0x8c, 0xde,
+	  0x3b, 0x94, 0x9c, 0xcc, 0xa5, 0xa7, 0x58, 0xb1,
+	  0xbe, 0x8b, 0x3d, 0x73, 0x98, 0x18, 0x7e, 0x68,
+	  0x5e, 0x5f, 0x23, 0x7d, 0x7a, 0xe8, 0x51, 0xf7,
+	  0x1a, 0xaf, 0x2f, 0x54, 0x11, 0x2e, 0x5c, 0x25
+	};
+      const grub_uint8_t fuloong2f_fwstart_good_hash[512 / 8] = 
+	{ 
+	  0x76, 0x9b, 0xad, 0x6e, 0xa2, 0x39, 0x47, 0x62,
+	  0x1f, 0xc9, 0x3a, 0x6d, 0x05, 0x5c, 0x43, 0x5c,
+	  0x29, 0x4a, 0x7e, 0x08, 0x2a, 0x31, 0x8f, 0x5d,
+	  0x02, 0x84, 0xa0, 0x85, 0xf2, 0xd1, 0xb9, 0x53,
+	  0xa2, 0xbc, 0xf2, 0xe1, 0x39, 0x1e, 0x51, 0xb5,
+	  0xaf, 0xec, 0x9e, 0xf2, 0xf1, 0xf3, 0x0a, 0x2f,
+	  0xe6, 0xf1, 0x08, 0x89, 0xbe, 0xbc, 0x73, 0xab,
+	  0x46, 0x50, 0xd6, 0x21, 0xce, 0x8e, 0x24, 0xa7
+	};
+      const grub_uint8_t *fwstart_good_hash;
+      grub_uint8_t fwstart_hash[512 / 8];
+            
+      if (image_target->id == IMAGE_FULOONG2F_FLASH)
+	{
+	  fwstart_good_hash = fuloong2f_fwstart_good_hash;
+	  boot_path = grub_util_get_path (dir, "fwstart_fuloong2f.img");
+	}
+      else
+	{
+	  fwstart_good_hash = yeeloong_fwstart_good_hash;
+	  boot_path = grub_util_get_path (dir, "fwstart.img");
+	}
+
+      boot_size = grub_util_get_image_size (boot_path);
+      boot_img = grub_util_read_image (boot_path);
+
+      grub_crypto_hash (GRUB_MD_SHA512, fwstart_hash, boot_img, boot_size);
+
+      if (grub_memcmp (fwstart_hash, fwstart_good_hash,
+		       GRUB_MD_SHA512->mdlen) != 0)
+	/* TRANSLATORS: fwstart.img may still be good, just it wasn't checked.  */
+	grub_util_warn ("%s",
+			_("fwstart.img doesn't match the known good version. "
+			  "proceed at your own risk"));
+
+      if (core_size + boot_size > 512 * 1024)
+	grub_util_error ("%s", _("firmware image is too big"));
+      rom_size = 512 * 1024;
+
+      rom_img = xmalloc (rom_size);
+      memset (rom_img, 0, rom_size); 
+
+      memcpy (rom_img, boot_img, boot_size);
+
+      memcpy (rom_img + boot_size, core_img, core_size);
+
+      memset (rom_img + boot_size + core_size, 0,
+	      rom_size - (boot_size + core_size));
+
+      free (core_img);
+      core_img = rom_img;
+      core_size = rom_size;
+      free (boot_img);
+      free (boot_path);
+    }
+    break;
+    case IMAGE_QEMU_MIPS_FLASH:
+    {
+      char *rom_img;
+      size_t rom_size;
+
+      if (core_size > 512 * 1024)
+	grub_util_error ("%s", _("firmware image is too big"));
+      rom_size = 512 * 1024;
+
+      rom_img = xmalloc (rom_size);
+      memset (rom_img, 0, rom_size); 
+
+      memcpy (rom_img, core_img, core_size);
+
+      memset (rom_img + core_size, 0,
+	      rom_size - core_size);
+
+      free (core_img);
+      core_img = rom_img;
+      core_size = rom_size;
+    }
+    break;
+
+    case IMAGE_UBOOT:
+    {
+      struct grub_uboot_image_header *hdr;
+
+      hdr = xmalloc (core_size + sizeof (struct grub_uboot_image_header));
+      memcpy (hdr + 1, core_img, core_size);
+
+      memset (hdr, 0, sizeof (*hdr));
+      hdr->ih_magic = grub_cpu_to_be32_compile_time (GRUB_UBOOT_IH_MAGIC);
+      hdr->ih_time = grub_cpu_to_be32 (STABLE_EMBEDDING_TIMESTAMP);
+      hdr->ih_size = grub_cpu_to_be32 (core_size);
+      hdr->ih_load = 0;
+      hdr->ih_ep = 0;
+      hdr->ih_type = GRUB_UBOOT_IH_TYPE_KERNEL_NOLOAD;
+      hdr->ih_os = GRUB_UBOOT_IH_OS_LINUX;
+      hdr->ih_arch = GRUB_UBOOT_IH_ARCH_ARM;
+      hdr->ih_comp = GRUB_UBOOT_IH_COMP_NONE;
+
+      grub_crypto_hash (GRUB_MD_CRC32, &hdr->ih_dcrc, hdr + 1, core_size);
+      grub_crypto_hash (GRUB_MD_CRC32, &hdr->ih_hcrc, hdr, sizeof (*hdr));
+
+      free (core_img);
+      core_img = (char *) hdr;
+      core_size += sizeof (struct grub_uboot_image_header);
+    }
+    break;
+
+    case IMAGE_MIPS_ARC:
+      {
+	char *ecoff_img;
+	struct ecoff_header {
+	  grub_uint16_t magic;
+	  grub_uint16_t nsec;
+	  grub_uint32_t time;
+	  grub_uint32_t syms;
+	  grub_uint32_t nsyms;
+	  grub_uint16_t opt;
+	  grub_uint16_t flags;
+	  grub_uint16_t magic2;
+	  grub_uint16_t version;
+	  grub_uint32_t textsize;
+	  grub_uint32_t datasize;
+	  grub_uint32_t bsssize;
+	  grub_uint32_t entry;
+	  grub_uint32_t text_start;
+	  grub_uint32_t data_start;
+	  grub_uint32_t bss_start;
+	  grub_uint32_t gprmask;
+	  grub_uint32_t cprmask[4];
+	  grub_uint32_t gp_value;
+	};
+	struct ecoff_section
+	{
+	  char name[8];
+	  grub_uint32_t paddr;
+	  grub_uint32_t vaddr;
+	  grub_uint32_t size;
+	  grub_uint32_t file_offset;
+	  grub_uint32_t reloc;
+	  grub_uint32_t gp;
+	  grub_uint16_t nreloc;
+	  grub_uint16_t ngp;
+	  grub_uint32_t flags;
+	};
+	struct ecoff_header *head;
+	struct ecoff_section *section;
+	grub_uint32_t target_addr;
+	size_t program_size;
+
+	program_size = ALIGN_ADDR (core_size);
+	if (comp == GRUB_COMPRESSION_NONE)
+	  target_addr = (image_target->link_addr - decompress_size);
+	else
+	  target_addr = ALIGN_UP (image_target->link_addr
+				  + layout.kernel_size + total_module_size, 32);
+
+	ecoff_img = xmalloc (program_size + sizeof (*head) + sizeof (*section));
+	grub_memset (ecoff_img, 0, program_size + sizeof (*head) + sizeof (*section));
+	head = (void *) ecoff_img;
+	section = (void *) (head + 1);
+	head->magic = image_target->bigendian ? grub_host_to_target16 (0x160)
+	  : grub_host_to_target16 (0x166);
+	head->nsec = grub_host_to_target16 (1);
+	head->time = grub_host_to_target32 (0);
+	head->opt = grub_host_to_target16 (0x38);
+	head->flags = image_target->bigendian
+	  ? grub_host_to_target16 (0x207)
+	  : grub_host_to_target16 (0x103);
+	head->magic2 = grub_host_to_target16 (0x107);
+	head->textsize = grub_host_to_target32 (program_size);
+	head->entry = grub_host_to_target32 (target_addr);
+	head->text_start = grub_host_to_target32 (target_addr);
+	head->data_start = grub_host_to_target32 (target_addr + program_size);
+	grub_memcpy (section->name, ".text", sizeof (".text") - 1); 
+	section->vaddr = grub_host_to_target32 (target_addr);
+	section->size = grub_host_to_target32 (program_size);
+	section->file_offset = grub_host_to_target32 (sizeof (*head) + sizeof (*section));
+	if (!image_target->bigendian)
+	  {
+	    section->paddr = grub_host_to_target32 (0xaa60);
+	    section->flags = grub_host_to_target32 (0x20);
+	  }
+	memcpy (section + 1, core_img, core_size);
+	free (core_img);
+	core_img = ecoff_img;
+	core_size = program_size + sizeof (*head) + sizeof (*section);
+      }
+      break;
+    case IMAGE_LOONGSON_ELF:
+    case IMAGE_PPC:
+    case IMAGE_XEN:
+    case IMAGE_XEN_PVH:
+    case IMAGE_COREBOOT:
+    case IMAGE_I386_IEEE1275:
+      {
+	grub_uint64_t target_addr;
+	if (image_target->id == IMAGE_LOONGSON_ELF)
+	  {
+	    if (comp == GRUB_COMPRESSION_NONE)
+	      target_addr = (image_target->link_addr - decompress_size);
+	    else
+	      target_addr = ALIGN_UP (image_target->link_addr
+				      + layout.kernel_size + total_module_size, 32);
+	  }
+	else
+	  target_addr = image_target->link_addr;
+	if (image_target->voidp_sizeof == 4)
+	  grub_mkimage_generate_elf32 (image_target, note, &core_img, &core_size,
+				       target_addr, &layout);
+	else
+	  grub_mkimage_generate_elf64 (image_target, note, &core_img, &core_size,
+				       target_addr, &layout);
+      }
+      break;
+    }
+
+  grub_util_write_image (core_img, core_size, out, outname);
+  free (core_img);
+  free (kernel_path);
+  free (layout.reloc_section);
+
+  grub_util_free_path_list (path_list);
+}

GRUB2/buildgrub.sh

@@ -55,6 +55,23 @@ make -j 16 || exit 1
 sh install.sh arm64
 
 
+#build for mips64el EFI
+#http://ftp.loongnix.org/os/loongnix-server/1.7/os/Source/SPackages/grub2-2.02-0.40.lns7.14.loongnix.src.rpm
+make distclean
+./autogen.sh
+./configure  --prefix=/home/share/Ventoy/GRUB2/INSTALL/ \
+--target=mips64el --with-platform=efi \
+--host=x86_64-linux-gnu  \
+HOST_CC=x86_64-linux-gnu-gcc \
+BUILD_CC=gcc \
+TARGET_CC="mips-linux-gnu-gcc -mabi=64 -Wno-error=cast-align -Wno-error=misleading-indentation" \
+TARGET_OBJCOPY=mips-linux-gnu-objcopy \
+TARGET_STRIP=mips-linux-gnu-strip TARGET_NM=mips-linux-gnu-nm \
+TARGET_RANLIB=mips-linux-gnu-ranlib
+make -j 16 || exit 1
+sh install.sh mips64el
+
+
 
 # build for i386-pc
 echo '======== build grub2 for i386-pc ==============='

IMG/cpio/sbin/init

@@ -36,20 +36,34 @@ export SED=$BUSYBOX_PATH/sed
 export SLEEP=$BUSYBOX_PATH/sleep
 export HEAD=$BUSYBOX_PATH/head
 
-if [ -e $BUSYBOX_PATH/32h ]; then
-    if [ -e $BUSYBOX_PATH/64h ]; then
-        #this is arm64
-        $BUSYBOX_PATH/xzminidecaa64 < $BUSYBOX_PATH/busyboxaa64.xz > $BUSYBOX_PATH/busybox
-        $BUSYBOX_PATH/vtchmodaa64 $BUSYBOX_PATH/busybox
+if [ -e $BUSYBOX_PATH/busyboxaa64.xz ]; then
+    export VTOY_ARCH=aarch64
+elif [ -e $BUSYBOX_PATH/busyboxm64e.xz ]; then
+    export VTOY_ARCH=mips64el
+else
+    if [ -e $BUSYBOX_PATH/32h ]; then
+        export VTOY_ARCH=x86_64
+    else
+        export VTOY_ARCH=i386
+    fi
+fi
+
+echo $VTOY_ARCH > $VTOY_PATH/ventoy_arch
+
+
+if [ "$VTOY_ARCH" = "aarch64" ]; then
+    $BUSYBOX_PATH/xzminidecaa64 < $BUSYBOX_PATH/busyboxaa64.xz > $BUSYBOX_PATH/busybox
+    $BUSYBOX_PATH/vtchmodaa64 $BUSYBOX_PATH/busybox
+elif [ "$VTOY_ARCH" = "mips64el" ]; then
+    $BUSYBOX_PATH/xzminidecm64e < $BUSYBOX_PATH/busyboxm64e.xz > $BUSYBOX_PATH/busybox
+    $BUSYBOX_PATH/vtchmodm64e $BUSYBOX_PATH/busybox
+elif [ "$VTOY_ARCH" = "x86_64" ]; then
+    $BUSYBOX_PATH/xzminidec64 < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
+    if [ -s $BUSYBOX_PATH/busybox ]; then
+        $BUSYBOX_PATH/vtchmod64 $BUSYBOX_PATH/busybox
     else
-        #this is x86_64
-        $BUSYBOX_PATH/xzminidec64 < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
-        if [ -s $BUSYBOX_PATH/busybox ]; then
-            $BUSYBOX_PATH/vtchmod64 $BUSYBOX_PATH/busybox
-        else
-            $BUSYBOX_PATH/xzminidec64_musl < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox 
-            $BUSYBOX_PATH/vtchmod64_musl $BUSYBOX_PATH/busybox
-        fi
+        $BUSYBOX_PATH/xzminidec64_musl < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox 
+        $BUSYBOX_PATH/vtchmod64_musl $BUSYBOX_PATH/busybox
     fi
 else
     $BUSYBOX_PATH/xzminidec32 < $BUSYBOX_PATH/busybox32.xz > $BUSYBOX_PATH/busybox
@@ -91,35 +105,47 @@ else
     xz -d -c loop.cpio.xz | cpio -idm 2>>$VTLOG
 fi
 
-if [ -e $BUSYBOX_PATH/32h ]; then
-    if [ -e $BUSYBOX_PATH/64h ]; then
-        echo "Use ARM64 busybox toolkit ..." >>$VTLOG
-        echo aarch64 > $VTOY_PATH/ventoy_arch
-        ln -s $BUSYBOX_PATH/xzminidecaa64 $BUSYBOX_PATH/xzminidec
-        ln -s $VTOY_PATH/tool/dmsetupaa64 $VTOY_PATH/tool/dmsetup
-        ln -s $VTOY_PATH/tool/lunzipaa64 $VTOY_PATH/tool/lunzip
-        
-        rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
-        ln -s $VTOY_PATH/tool/lz4cataa64 $VTOY_PATH/tool/lz4cat
-        ln -s $VTOY_PATH/tool/zstdcataa64 $VTOY_PATH/tool/zstdcat
-        
-    else
-        echo "Use x86_64 busybox toolkit ..." >>$VTLOG
-        echo x86_64 > $VTOY_PATH/ventoy_arch
-        ln -s $BUSYBOX_PATH/xzminidec64 $BUSYBOX_PATH/xzminidec
-        ln -s $VTOY_PATH/tool/dmsetup64 $VTOY_PATH/tool/dmsetup
-        ln -s $VTOY_PATH/tool/lunzip64 $VTOY_PATH/tool/lunzip
-        
-        rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
-        ln -s $VTOY_PATH/tool/lz4cat64 $VTOY_PATH/tool/lz4cat
-        ln -s $VTOY_PATH/tool/zstdcat64 $VTOY_PATH/tool/zstdcat
-    fi
-else
+
+if [ "$VTOY_ARCH" = "x86_64" ]; then
+    echo "Use x86_64 busybox toolkit ..." >>$VTLOG
+    ln -s $BUSYBOX_PATH/xzminidec64 $BUSYBOX_PATH/xzminidec
+    ln -s $VTOY_PATH/tool/dmsetup64 $VTOY_PATH/tool/dmsetup
+    ln -s $VTOY_PATH/tool/lunzip64 $VTOY_PATH/tool/lunzip
+    
+    rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
+    ln -s $VTOY_PATH/tool/lz4cat64 $VTOY_PATH/tool/lz4cat
+    ln -s $VTOY_PATH/tool/zstdcat64 $VTOY_PATH/tool/zstdcat
+elif [ "$VTOY_ARCH" = "i386" ]; then
     echo "Use i386 busybox toolkit ..." >>$VTLOG
-    echo i386 > $VTOY_PATH/ventoy_arch
     ln -s $BUSYBOX_PATH/xzminidec32 $BUSYBOX_PATH/xzminidec
     ln -s $VTOY_PATH/tool/dmsetup32 $VTOY_PATH/tool/dmsetup
     ln -s $VTOY_PATH/tool/lunzip32 $VTOY_PATH/tool/lunzip
+
+elif [ "$VTOY_ARCH" = "mips64el" ]; then
+    echo "Use MIPS64 busybox toolkit ..." >>$VTLOG
+    ln -s $BUSYBOX_PATH/xzminidecm64e $BUSYBOX_PATH/xzminidec
+    ln -s $VTOY_PATH/tool/dmsetupm64e $VTOY_PATH/tool/dmsetup
+    
+    # TBD
+    #ln -s $VTOY_PATH/tool/lunzipm64e $VTOY_PATH/tool/lunzip
+    
+    rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
+    ln -s $VTOY_PATH/tool/lz4catm64e $VTOY_PATH/tool/lz4cat
+    
+    # TBD
+    #ln -s $VTOY_PATH/tool/zstdcataa64 $VTOY_PATH/tool/zstdcat
+
+elif [ "$VTOY_ARCH" = "aarch64" ]; then
+    echo "Use ARM64 busybox toolkit ..." >>$VTLOG
+    ln -s $BUSYBOX_PATH/xzminidecaa64 $BUSYBOX_PATH/xzminidec
+    ln -s $VTOY_PATH/tool/dmsetupaa64 $VTOY_PATH/tool/dmsetup
+    ln -s $VTOY_PATH/tool/lunzipaa64 $VTOY_PATH/tool/lunzip
+    
+    rm -f $VTOY_PATH/tool/lz4cat $VTOY_PATH/tool/zstdcat
+    ln -s $VTOY_PATH/tool/lz4cataa64 $VTOY_PATH/tool/lz4cat
+    ln -s $VTOY_PATH/tool/zstdcataa64 $VTOY_PATH/tool/zstdcat
+else
+    echo "Unknown busybox toolkit ..." >>$VTLOG
 fi
 
 rm -f *.xz