Move OS-dependent files to grub-core/osdep and document it.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
a5b0365ab2
commit
672fa55e81
30 changed files with 39 additions and 30 deletions
271
grub-core/osdep/aros/getroot.c
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271
grub-core/osdep/aros/getroot.c
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/*
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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-util.h>
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#include <config.h>
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#include <grub/util/misc.h>
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#include <grub/util/lvm.h>
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#include <grub/mm.h>
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#include <grub/misc.h>
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#include <grub/emu/misc.h>
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#include <grub/emu/hostdisk.h>
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#include <grub/emu/getroot.h>
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#include <string.h>
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#include <dos/dos.h>
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#include <dos/filesystem.h>
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#include <dos/exall.h>
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#include <proto/dos.h>
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#include <proto/exec.h>
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#include <devices/trackdisk.h>
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char *
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grub_util_part_to_disk (const char *dev,
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struct stat *st __attribute__ ((unused)),
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int *is_part)
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{
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const char *p;
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char *dname;
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char *ret;
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struct DosList *dl;
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struct DeviceNode *dn;
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struct FileSysStartupMsg *fm;
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struct DosEnvec *envec;
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if (!dev[0])
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return xstrdup (dev);
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p = dev + strlen (dev) - 1;
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if (*p != ':')
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return xstrdup (dev);
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dname = xmalloc (p - dev + 1);
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memcpy (dname, dev, p - dev);
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dname[p - dev] = '\0';
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dl = LockDosList(LDF_READ);
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if (!dl)
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{
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free (dname);
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return xstrdup (dev);
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}
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dn = (struct DeviceNode *) FindDosEntry (dl, (unsigned char *) dname,
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LDF_DEVICES);
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UnLockDosList (LDF_READ);
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free (dname);
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if (!dn)
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return xstrdup (dev);
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fm = (struct FileSysStartupMsg *) BADDR(dn->dn_Startup);
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envec = (struct DosEnvec *) fm->fssm_Environ;
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if (envec->de_LowCyl == 0)
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return xstrdup (dev);
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*is_part = 1;
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ret = xasprintf ("%s/%lx/%lx:", fm->fssm_Device, fm->fssm_Unit, (unsigned long) fm->fssm_Flags);
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return ret;
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}
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enum grub_dev_abstraction_types
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grub_util_get_dev_abstraction_os (const char *os_dev __attribute__((unused)))
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{
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return GRUB_DEV_ABSTRACTION_NONE;
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}
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int
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grub_util_pull_device_os (const char *os_dev __attribute__ ((unused)),
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enum grub_dev_abstraction_types ab __attribute__ ((unused)))
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{
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return 0;
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}
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char *
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grub_util_get_grub_dev_os (const char *os_dev __attribute__ ((unused)))
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{
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return NULL;
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}
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grub_disk_addr_t
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grub_util_find_partition_start_os (const char *dev)
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{
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const char *p;
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char *dname;
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struct DosList *dl;
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struct DeviceNode *dn;
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struct FileSysStartupMsg *fm;
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struct DosEnvec *envec;
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if (!dev[0])
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return 0;
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p = dev + strlen (dev) - 1;
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if (*p != ':')
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return 0;
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dname = xmalloc (p - dev + 1);
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memcpy (dname, dev, p - dev);
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dname[p - dev] = '\0';
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dl = LockDosList(LDF_READ);
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if (!dl)
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{
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free (dname);
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return 0;
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}
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dn = (struct DeviceNode *) FindDosEntry (dl, (unsigned char *) dname,
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LDF_DEVICES);
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UnLockDosList (LDF_READ);
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free (dname);
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if (!dn)
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return 0;
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fm = (struct FileSysStartupMsg *) BADDR(dn->dn_Startup);
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envec = (struct DosEnvec *) fm->fssm_Environ;
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return (((grub_uint64_t) envec->de_Surfaces
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* (grub_uint64_t) envec->de_BlocksPerTrack
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* (grub_uint64_t) envec->de_LowCyl)
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* (grub_uint64_t) envec->de_SizeBlock) >> 7;
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}
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char *
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grub_make_system_path_relative_to_its_root (const char *path)
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{
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char *p;
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unsigned char *tmp = xmalloc (2048);
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char *ret;
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BPTR lck;
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lck = Lock ((const unsigned char *) path, SHARED_LOCK);
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if (!lck || !NameFromLock (lck, tmp, 2040))
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{
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free (tmp);
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tmp = (unsigned char *) xstrdup (path);
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}
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if (lck)
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UnLock (lck);
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p = strchr ((char *) tmp, ':');
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if (!p)
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return (char *) tmp;
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if (p[1] == '/' || p[1] == '\0')
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{
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ret = xstrdup (p + 1);
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}
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else
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{
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ret = xmalloc (strlen (p + 1) + 2);
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ret[0] = '/';
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strcpy (ret + 1, p + 1);
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}
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free (tmp);
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return ret;
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}
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char **
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grub_guess_root_devices (const char *path)
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{
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char **os_dev = NULL;
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struct InfoData id;
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BPTR lck;
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struct DeviceList *dl;
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struct DosList *dl2;
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size_t sz;
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const char *nm;
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lck = Lock ((const unsigned char *) path, SHARED_LOCK);
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if (!lck)
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grub_util_info ("Lock(%s) failed", path);
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if (!lck || !Info (lck, &id))
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{
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char *p;
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if (lck)
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UnLock (lck);
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grub_util_info ("Info(%s) failed", path);
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os_dev = xmalloc (2 * sizeof (os_dev[0]));
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sz = strlen (path);
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os_dev[0] = xmalloc (sz + 2);
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memcpy (os_dev[0], path, sz);
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os_dev[0][sz] = ':';
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os_dev[0][sz+1] = '\0';
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p = strchr (os_dev[0], ':');
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*(p + 1) = '\0';
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os_dev[1] = NULL;
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return os_dev;
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}
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dl = BADDR (id.id_VolumeNode);
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if (!dl->dl_Task)
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grub_util_error ("unsupported device %s", dl->dl_Name);
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grub_util_info ("dl=%p, dl->dl_Name=%s, dl->dl_Task=%p",
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dl, dl->dl_Name,
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dl->dl_Task);
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for (dl2 = LockDosList(LDF_READ | LDF_DEVICES);
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dl2;
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dl2 = NextDosEntry (dl2, LDF_DEVICES))
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{
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if (dl2->dol_Task == dl->dl_Task)
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break;
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}
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if (lck)
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UnLock (lck);
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if (dl2)
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nm = (char *) dl2->dol_Name;
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else
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nm = (char *) dl->dl_Name;
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grub_util_info ("dl2=%p, nm=%s", dl2, nm);
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os_dev = xmalloc (2 * sizeof (os_dev[0]));
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sz = strlen (nm);
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os_dev[0] = xmalloc (sz + 2);
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memcpy (os_dev[0], nm, sz);
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os_dev[0][sz] = ':';
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os_dev[0][sz+1] = '\0';
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os_dev[1] = NULL;
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UnLockDosList (LDF_READ | LDF_DEVICES);
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return os_dev;
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}
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int
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grub_util_biosdisk_is_floppy (grub_disk_t disk)
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{
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const char *dname, *p;
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dname = grub_util_biosdisk_get_osdev (disk);
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p = strchr (dname, ':');
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if (!p || p[1])
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return 0;
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if (strncmp (dname, TD_NAME, sizeof (TD_NAME) - 1) == 0
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&& (TD_NAME[sizeof (TD_NAME) - 1] == '/'
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|| TD_NAME[sizeof (TD_NAME) - 1] == ':'))
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return 1;
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return 0;
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}
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