diff options
Diffstat (limited to 'grub-core/osdep/aros/getroot.c')
| -rw-r--r-- | grub-core/osdep/aros/getroot.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/grub-core/osdep/aros/getroot.c b/grub-core/osdep/aros/getroot.c new file mode 100644 index 0000000..a27df9e --- /dev/null +++ b/grub-core/osdep/aros/getroot.c @@ -0,0 +1,228 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 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-util.h> +#include <config.h> + +#include <grub/util/misc.h> + +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/emu/misc.h> +#include <grub/emu/hostdisk.h> +#include <grub/emu/getroot.h> + +#include <string.h> +#include <dos/dos.h> +#include <dos/filesystem.h> +#include <dos/exall.h> +#include <proto/dos.h> +#include <proto/exec.h> +#include <devices/trackdisk.h> + +char * +grub_util_part_to_disk (const char *dev, + struct stat *st __attribute__ ((unused)), + int *is_part) +{ + const char *dname; + char *ret; + struct DosList *dl; + struct DeviceNode *dn; + struct FileSysStartupMsg *fm; + struct DosEnvec *envec; + + if (dev[0] != '/' || dev[1] != '/' || dev[2] != ':') + return xstrdup (dev); + + dname = dev + 3; + dl = LockDosList(LDF_READ); + + if (!dl) + { + return xstrdup (dev); + } + + dn = (struct DeviceNode *) FindDosEntry (dl, (unsigned char *) dname, + LDF_DEVICES); + UnLockDosList (LDF_READ); + if (!dn) + return xstrdup (dev); + + fm = (struct FileSysStartupMsg *) BADDR(dn->dn_Startup); + envec = (struct DosEnvec *) fm->fssm_Environ; + + if (envec->de_LowCyl == 0) + return xstrdup (dev); + + *is_part = 1; + + ret = xasprintf ("//:%s/%lx/%lx", fm->fssm_Device, fm->fssm_Unit, (unsigned long) fm->fssm_Flags); + + return ret; +} + +enum grub_dev_abstraction_types +grub_util_get_dev_abstraction_os (const char *os_dev __attribute__((unused))) +{ + return GRUB_DEV_ABSTRACTION_NONE; +} + +int +grub_util_pull_device_os (const char *os_dev __attribute__ ((unused)), + enum grub_dev_abstraction_types ab __attribute__ ((unused))) +{ + return 0; +} + +char * +grub_util_get_grub_dev_os (const char *os_dev __attribute__ ((unused))) +{ + return NULL; +} + + +grub_disk_addr_t +grub_util_find_partition_start_os (const char *dev) +{ + const char *dname; + struct DosList *dl; + struct DeviceNode *dn; + struct FileSysStartupMsg *fm; + struct DosEnvec *envec; + + if (dev[0] != '/' || dev[1] != '/' || dev[2] != ':') + return 0; + + dname = dev + 3; + dl = LockDosList(LDF_READ); + if (!dl) + { + return 0; + } + dn = (struct DeviceNode *) FindDosEntry (dl, (unsigned char *) dname, + LDF_DEVICES); + UnLockDosList (LDF_READ); + if (!dn) + return 0; + + fm = (struct FileSysStartupMsg *) BADDR(dn->dn_Startup); + envec = (struct DosEnvec *) fm->fssm_Environ; + + return (((grub_uint64_t) envec->de_Surfaces + * (grub_uint64_t) envec->de_BlocksPerTrack + * (grub_uint64_t) envec->de_LowCyl) + * (grub_uint64_t) envec->de_SizeBlock) >> 7; +} + +char ** +grub_guess_root_devices (const char *path) +{ + char **os_dev = NULL; + struct InfoData id; + BPTR lck; + struct DeviceList *dl; + struct DosList *dl2; + size_t sz; + const char *nm; + + lck = Lock ((const unsigned char *) path, SHARED_LOCK); + if (!lck) + grub_util_info ("Lock(%s) failed", path); + if (!lck || !Info (lck, &id)) + { + char *p; + if (lck) + UnLock (lck); + grub_util_info ("Info(%s) failed", path); + os_dev = xmalloc (2 * sizeof (os_dev[0])); + sz = strlen (path); + os_dev[0] = xmalloc (sz + 5); + os_dev[0][0] = '/'; + os_dev[0][1] = '/'; + os_dev[0][2] = ':'; + memcpy (os_dev[0] + 3, path, sz); + os_dev[0][sz + 3] = ':'; + os_dev[0][sz + 4] = '\0'; + p = strchr (os_dev[0] + 3, ':'); + *p = '\0'; + os_dev[1] = NULL; + return os_dev; + } + dl = BADDR (id.id_VolumeNode); + + if (!dl->dl_Task) + grub_util_error ("unsupported device %s", dl->dl_Name); + + grub_util_info ("dl=%p, dl->dl_Name=%s, dl->dl_Task=%p", + dl, dl->dl_Name, + dl->dl_Task); + + for (dl2 = LockDosList(LDF_READ | LDF_DEVICES); + dl2; + dl2 = NextDosEntry (dl2, LDF_DEVICES)) + { + if (dl2->dol_Task == dl->dl_Task) + break; + } + + if (lck) + UnLock (lck); + + if (dl2) + nm = (char *) dl2->dol_Name; + else + nm = (char *) dl->dl_Name; + + grub_util_info ("dl2=%p, nm=%s", dl2, nm); + + os_dev = xmalloc (2 * sizeof (os_dev[0])); + sz = strlen (nm); + + os_dev[0] = xmalloc (sz + 4); + os_dev[0][0] = '/'; + os_dev[0][1] = '/'; + os_dev[0][2] = ':'; + memcpy (os_dev[0] + 3, nm, sz); + os_dev[0][sz+3] = '\0'; + os_dev[1] = NULL; + + UnLockDosList (LDF_READ | LDF_DEVICES); + + return os_dev; +} + +int +grub_util_biosdisk_is_floppy (grub_disk_t disk) +{ + const char *dname; + + dname = grub_util_biosdisk_get_osdev (disk); + + if (dname[0] != '/' || dname[1] != '/' || dname[2] != ':') + return 0; + + dname += 3; + + if (strncmp (dname, TD_NAME, sizeof (TD_NAME) - 1) == 0 + && (TD_NAME[sizeof (TD_NAME) - 1] == '/' + || TD_NAME[sizeof (TD_NAME) - 1] == '\0')) + return 1; + return 0; +} + |