235 lines
6.2 KiB
C
235 lines
6.2 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2013 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <grub/util/install.h>
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#include <grub/emu/hostdisk.h>
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#include <grub/util/misc.h>
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#include <grub/misc.h>
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#include <grub/i18n.h>
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#include <grub/emu/exec.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <string.h>
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#include <errno.h>
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static char *
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get_ofpathname (const char *dev)
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{
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size_t alloced = 4096;
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char *ret = xmalloc (alloced);
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size_t offset = 0;
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int fd;
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pid_t pid;
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pid = grub_util_exec_pipe ((const char * []){ "ofpathname", dev, NULL }, &fd);
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if (!pid)
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goto fail;
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FILE *fp = fdopen (fd, "r");
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if (!fp)
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goto fail;
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while (!feof (fp))
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{
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size_t r;
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if (alloced == offset)
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{
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alloced *= 2;
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ret = xrealloc (ret, alloced);
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}
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r = fread (ret + offset, 1, alloced - offset, fp);
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offset += r;
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}
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if (offset > 0 && ret[offset - 1] == '\n')
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offset--;
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if (offset > 0 && ret[offset - 1] == '\r')
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offset--;
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if (alloced == offset)
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{
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alloced++;
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ret = xrealloc (ret, alloced);
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}
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ret[offset] = '\0';
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fclose (fp);
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return ret;
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fail:
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grub_util_error (_("couldn't find IEEE1275 device tree path for %s.\nYou will have to set `boot-device' variable manually"),
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dev);
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}
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static void
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grub_install_remove_efi_entries_by_distributor (const char *efi_distributor)
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{
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int fd;
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pid_t pid = grub_util_exec_pipe ((const char * []){ "efibootmgr", NULL }, &fd);
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char *line = NULL;
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size_t len = 0;
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if (!pid)
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{
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grub_util_warn (_("Unable to open stream from %s: %s"),
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"efibootmgr", strerror (errno));
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return;
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}
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FILE *fp = fdopen (fd, "r");
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if (!fp)
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{
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grub_util_warn (_("Unable to open stream from %s: %s"),
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"efibootmgr", strerror (errno));
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return;
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}
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line = xmalloc (80);
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len = 80;
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while (1)
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{
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int ret;
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char *bootnum;
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ret = getline (&line, &len, fp);
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if (ret == -1)
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break;
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if (grub_memcmp (line, "Boot", sizeof ("Boot") - 1) != 0
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|| line[sizeof ("Boot") - 1] < '0'
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|| line[sizeof ("Boot") - 1] > '9')
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continue;
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if (!strcasestr (line, efi_distributor))
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continue;
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bootnum = line + sizeof ("Boot") - 1;
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bootnum[4] = '\0';
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if (!verbosity)
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grub_util_exec ((const char * []){ "efibootmgr", "-q",
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"-b", bootnum, "-B", NULL });
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else
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grub_util_exec ((const char * []){ "efibootmgr",
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"-b", bootnum, "-B", NULL });
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}
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free (line);
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}
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void
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grub_install_register_efi (grub_device_t efidir_grub_dev,
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const char *efifile_path,
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const char *efi_distributor)
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{
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const char * efidir_disk;
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int efidir_part;
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efidir_disk = grub_util_biosdisk_get_osdev (efidir_grub_dev->disk);
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efidir_part = efidir_grub_dev->disk->partition ? efidir_grub_dev->disk->partition->number + 1 : 1;
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if (grub_util_exec_redirect_null ((const char * []){ "efibootmgr", "--version", NULL }))
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{
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/* TRANSLATORS: This message is shown when required executable `%s'
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isn't found. */
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grub_util_error (_("%s: not found"), "efibootmgr");
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}
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/* On Linux, we need the efivars kernel modules. */
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#ifdef __linux__
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grub_util_exec ((const char * []){ "modprobe", "-q", "efivars", NULL });
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#endif
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/* Delete old entries from the same distributor. */
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grub_install_remove_efi_entries_by_distributor (efi_distributor);
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char *efidir_part_str = xasprintf ("%d", efidir_part);
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if (!verbosity)
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grub_util_exec ((const char * []){ "efibootmgr", "-q",
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"-c", "-d", efidir_disk,
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"-p", efidir_part_str, "-w",
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"-L", efi_distributor, "-l",
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efifile_path, NULL });
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else
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grub_util_exec ((const char * []){ "efibootmgr",
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"-c", "-d", efidir_disk,
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"-p", efidir_part_str, "-w",
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"-L", efi_distributor, "-l",
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efifile_path, NULL });
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free (efidir_part_str);
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}
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void
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grub_install_register_ieee1275 (int is_prep, const char *install_device,
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int partno, const char *relpath)
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{
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char *boot_device;
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if (grub_util_exec_redirect_null ((const char * []){ "ofpathname", "--version", NULL }))
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{
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/* TRANSLATORS: This message is shown when required executable `%s'
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isn't found. */
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grub_util_error (_("%s: not found"), "ofpathname");
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}
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/* Get the Open Firmware device tree path translation. */
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if (!is_prep)
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{
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char *ptr;
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char *ofpath;
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const char *iptr;
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ofpath = get_ofpathname (install_device);
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boot_device = xmalloc (strlen (ofpath) + 1
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+ sizeof ("XXXXXXXXXXXXXXXXXXXX")
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+ 1 + strlen (relpath) + 1);
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ptr = grub_stpcpy (boot_device, ofpath);
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*ptr++ = ':';
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grub_snprintf (ptr, sizeof ("XXXXXXXXXXXXXXXXXXXX"), "%d",
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partno);
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ptr += strlen (ptr);
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*ptr++ = ',';
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for (iptr = relpath; *iptr; iptr++, ptr++)
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{
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if (*iptr == '/')
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*ptr = '\\';
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else
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*ptr = *iptr;
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}
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*ptr = '\0';
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}
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else
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boot_device = get_ofpathname (install_device);
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if (grub_util_exec ((const char * []){ "nvsetenv", "boot-device",
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boot_device, NULL }))
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{
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char *cmd = xasprintf ("setenv boot-device %s", boot_device);
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grub_util_error ("`nvsetenv' failed. \nYou will have to set `boot-device' variable manually. At the IEEE1275 prompt, type:\n %s\n",
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cmd);
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free (cmd);
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}
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free (boot_device);
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}
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void
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grub_install_sgi_setup (const char *install_device,
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const char *imgfile, const char *destname)
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{
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grub_util_exec ((const char * []){ "dvhtool", "-d",
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install_device, "--unix-to-vh",
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imgfile, destname, NULL });
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grub_util_warn ("%s", _("You will have to set `SystemPartition' and `OSLoader' manually."));
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}
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