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Add AROS hostdisk and getroot routines.

This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-10-04 02:35:03 +02:00
parent bf25f87931
commit 47345010a4
8 changed files with 813 additions and 3 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2013-10-04 Vladimir Serbinenko <phcoder@gmail.com>
Add AROS hostdisk and getroot routines.
2013-10-04 Vladimir Serbinenko <phcoder@gmail.com>
Make cryptodisk and diskfilter probe data retrievable programmatically

481
grub-core/kern/emu/hostdisk_aros.c Normal file
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@ -0,0 +1,481 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2006,2007,2008,2009,2010,2011,2012,2013 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 <grub/disk.h>
#include <grub/partition.h>
#include <grub/msdos_partition.h>
#include <grub/types.h>
#include <grub/err.h>
#include <grub/emu/misc.h>
#include <grub/emu/hostdisk.h>
#include <grub/emu/getroot.h>
#include <grub/misc.h>
#include <grub/i18n.h>
#include <grub/list.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <limits.h>
#include <string.h>
#include <dos/dos.h>
#include <dos/filesystem.h>
#include <dos/exall.h>
#include <proto/dos.h>
#include <devices/hardblocks.h>
#include <devices/newstyle.h>
#include <proto/exec.h>
#include <proto/utility.h>
#include <proto/partition.h>
#include <devices/trackdisk.h>
#include <exec/errors.h>
#define BOUNCE_SIZE 1048576
static ULONG *bounce;
static grub_uint64_t
grub_util_get_fd_size_volume (grub_util_fd_t fd __attribute__ ((unused)),
const char *dev,
unsigned *log_secsize)
{
struct DriveGeometry *geo;
LONG err;
unsigned sector_size, log_sector_size;
if (!bounce)
bounce = AllocVec (BOUNCE_SIZE, MEMF_PUBLIC | MEMF_CLEAR);
if (!bounce)
grub_util_error ("out of memory");
fd->ioreq->iotd_Req.io_Command = TD_GETGEOMETRY;
fd->ioreq->iotd_Req.io_Length = sizeof (*geo);
fd->ioreq->iotd_Req.io_Data = bounce;
fd->ioreq->iotd_Req.io_Offset = 0;
fd->ioreq->iotd_Req.io_Actual = 0;
err = DoIO ((struct IORequest *) fd->ioreq);
if (err)
{
grub_util_info ("I/O failed with error %d, IoErr=%d", (int)err, (int) IoErr ());
return -1;
}
geo = (struct DriveGeometry *) bounce;
sector_size = geo->dg_SectorSize;
if (sector_size & (sector_size - 1) || !sector_size)
return -1;
for (log_sector_size = 0;
(1 << log_sector_size) < sector_size;
log_sector_size++);
if (log_secsize)
*log_secsize = log_sector_size;
return (grub_uint64_t) geo->dg_TotalSectors * (grub_uint64_t) geo->dg_SectorSize;
}
static grub_uint64_t
grub_util_get_fd_size_file (grub_util_fd_t fd,
const char *dev __attribute__ ((unused)),
unsigned *log_secsize)
{
off_t oo, ro;
*log_secsize = 9;
/* FIXME: support 64-bit offsets. */
oo = lseek (fd->fd, 0, SEEK_CUR);
ro = lseek (fd->fd, 0, SEEK_END);
lseek (fd->fd, oo, SEEK_SET);
return ro;
}
grub_err_t
grub_util_fd_seek (grub_util_fd_t fd, const char *name, grub_uint64_t off)
{
switch (fd->type)
{
case GRUB_UTIL_FD_FILE:
if (lseek (fd->fd, 0, SEEK_SET) == (off_t) -1)
return grub_error (GRUB_ERR_BAD_DEVICE, N_("cannot seek `%s': %s"),
name, strerror (errno));
fd->off = off;
return 0;
case GRUB_UTIL_FD_DISK:
fd->off = off;
return 0;
}
return 0;
}
grub_util_fd_t
grub_util_fd_open (const char *dev, int flg)
{
grub_util_fd_t ret = xmalloc (sizeof (*ret));
const char *p, *p1, *p2;
char *tmp;
IPTR unit = 0;
ULONG flags = 0;
ret->off = 0;
if (dev[0] == '\0')
{
free (ret);
return NULL;
}
p = strchr (dev, ':');
if (!p || p[1])
{
ret->type = GRUB_UTIL_FD_FILE;
ret->fd = open (dev, flg);
if (ret->fd < 0)
{
free (ret);
return NULL;
}
return ret;
}
p1 = strchr (dev, '/');
if (!p1)
p1 = p;
else
{
unit = grub_strtoul (p1 + 1, (char **) &p2, 16);
if (p2 && *p2 == '/')
flags = grub_strtoul (p2 + 1, 0, 16);
}
ret->mp = CreateMsgPort();
if (!ret->mp)
{
free (ret);
return NULL;
}
ret->ioreq = (struct IOExtTD *) CreateIORequest(ret->mp,
sizeof(struct IOExtTD));
if (!ret->ioreq)
{
free (ret);
DeleteMsgPort (ret->mp);
return NULL;
}
tmp = xmalloc (p1 - dev + 1);
memcpy (tmp, dev, p1 - dev);
tmp[p1 - dev] = '\0';
ret->type = GRUB_UTIL_FD_DISK;
ret->is_floppy = (strcmp (tmp, TD_NAME) == 0);
ret->is_64 = 1;
if (OpenDevice ((unsigned char *) tmp, unit, (struct IORequest *) ret->ioreq, flags))
{
free (tmp);
free (ret);
DeleteMsgPort (ret->mp);
return NULL;
}
free (tmp);
return ret;
}
static ssize_t
grub_util_fd_read_file (grub_util_fd_t fd, char *buf, size_t len)
{
ssize_t size = len;
while (len)
{
ssize_t ret = read (fd->fd, buf, len);
if (ret <= 0)
{
if (errno == EINTR)
continue;
else
return ret;
}
fd->off += ret;
len -= ret;
buf += ret;
}
return size;
}
/* Write LEN bytes from BUF to FD. Return less than or equal to zero if an
error occurs, otherwise return LEN. */
static ssize_t
grub_util_fd_write_file (grub_util_fd_t fd, const char *buf, size_t len)
{
ssize_t size = len;
while (len)
{
ssize_t ret = write (fd->fd, buf, len);
if (ret <= 0)
{
if (errno == EINTR)
continue;
else
return ret;
}
fd->off += ret;
len -= ret;
buf += ret;
}
return size;
}
static void
stop_motor (grub_util_fd_t fd)
{
if (!fd->is_floppy)
return;
fd->ioreq->iotd_Req.io_Command = TD_MOTOR;
fd->ioreq->iotd_Req.io_Length = 0;
fd->ioreq->iotd_Req.io_Data = 0;
fd->ioreq->iotd_Req.io_Offset = 0;
fd->ioreq->iotd_Req.io_Actual = 0;
DoIO ((struct IORequest *) fd->ioreq);
}
static ssize_t
grub_util_fd_read_volume (grub_util_fd_t fd, char *buf, size_t len)
{
grub_uint64_t adj = 0;
if (!bounce)
bounce = AllocVec (BOUNCE_SIZE, MEMF_PUBLIC | MEMF_CLEAR);
if (!bounce)
grub_util_error ("out of memory");
while (len)
{
size_t cr = len;
LONG err;
if (cr > BOUNCE_SIZE)
cr = BOUNCE_SIZE;
retry:
if (fd->is_64)
fd->ioreq->iotd_Req.io_Command = NSCMD_TD_READ64;
else
fd->ioreq->iotd_Req.io_Command = CMD_READ;
fd->ioreq->iotd_Req.io_Length = cr;
fd->ioreq->iotd_Req.io_Data = bounce;
fd->ioreq->iotd_Req.io_Offset = fd->off & 0xFFFFFFFF;
fd->ioreq->iotd_Req.io_Actual = fd->off >> 32;
err = DoIO ((struct IORequest *) fd->ioreq);
if (err == IOERR_NOCMD && fd->is_64)
{
fd->is_64 = 0;
goto retry;
}
if (err)
{
grub_util_info ("I/O failed with error %d, IoErr=%d", (int)err, (int) IoErr ());
stop_motor (fd);
return -1;
}
memcpy (buf, bounce, cr);
adj += cr;
len -= cr;
buf += cr;
}
fd->off += adj;
stop_motor (fd);
return adj;
}
static ssize_t
grub_util_fd_write_volume (grub_util_fd_t fd, const char *buf, size_t len)
{
grub_uint64_t adj = 0;
if (!bounce)
bounce = AllocVec (BOUNCE_SIZE, MEMF_PUBLIC | MEMF_CLEAR);
if (!bounce)
grub_util_error ("out of memory");
while (len)
{
size_t cr = len;
LONG err;
if (cr > BOUNCE_SIZE)
cr = BOUNCE_SIZE;
retry:
if (fd->is_64)
fd->ioreq->iotd_Req.io_Command = NSCMD_TD_WRITE64;
else
fd->ioreq->iotd_Req.io_Command = CMD_WRITE;
fd->ioreq->iotd_Req.io_Length = cr;
fd->ioreq->iotd_Req.io_Data = bounce;
fd->ioreq->iotd_Req.io_Offset = fd->off & 0xFFFFFFFF;
fd->ioreq->iotd_Req.io_Actual = fd->off >> 32;
memcpy (bounce, buf, cr);
err = DoIO ((struct IORequest *) fd->ioreq);
if (err == IOERR_NOCMD && fd->is_64)
{
fd->is_64 = 0;
goto retry;
}
if (err)
{
grub_util_info ("I/O failed with error %d", err);
stop_motor (fd);
return -1;
}
adj += cr;
len -= cr;
buf += cr;
}
fd->off += adj;
stop_motor (fd);
return adj;
}
ssize_t
grub_util_fd_read (grub_util_fd_t fd, char *buf, size_t len)
{
switch (fd->type)
{
case GRUB_UTIL_FD_FILE:
return grub_util_fd_read_file (fd, buf, len);
case GRUB_UTIL_FD_DISK:
return grub_util_fd_read_volume (fd, buf, len);
}
return -1;
}
ssize_t
grub_util_fd_write (grub_util_fd_t fd, const char *buf, size_t len)
{
switch (fd->type)
{
case GRUB_UTIL_FD_FILE:
return grub_util_fd_write_file (fd, buf, len);
case GRUB_UTIL_FD_DISK:
return grub_util_fd_write_volume (fd, buf, len);
}
return -1;
}
grub_uint64_t
grub_util_get_fd_size (grub_util_fd_t fd,
const char *dev,
unsigned *log_secsize)
{
switch (fd->type)
{
case GRUB_UTIL_FD_FILE:
return grub_util_get_fd_size_file (fd, dev, log_secsize);
case GRUB_UTIL_FD_DISK:
return grub_util_get_fd_size_volume (fd, dev, log_secsize);
}
return -1;
}
void
grub_util_fd_close (grub_util_fd_t fd)
{
switch (fd->type)
{
case GRUB_UTIL_FD_FILE:
close (fd->fd);
return;
case GRUB_UTIL_FD_DISK:
CloseDevice ((struct IORequest *) fd->ioreq);
DeleteIORequest((struct IORequest *) fd->ioreq);
DeleteMsgPort (fd->mp);
return;
}
}
static void
grub_util_fd_sync_volume (grub_util_fd_t fd)
{
fd->ioreq->iotd_Req.io_Command = CMD_UPDATE;
fd->ioreq->iotd_Req.io_Length = 0;
fd->ioreq->iotd_Req.io_Data = 0;
fd->ioreq->iotd_Req.io_Offset = 0;
fd->ioreq->iotd_Req.io_Actual = 0;
DoIO ((struct IORequest *) fd->ioreq);
}
void
grub_util_fd_sync (grub_util_fd_t fd)
{
switch (fd->type)
{
case GRUB_UTIL_FD_FILE:
fsync (fd->fd);
return;
case GRUB_UTIL_FD_DISK:
grub_util_fd_sync_volume (fd);
return;
}
}
void
grub_hostdisk_configure_device_driver (grub_util_fd_t fd __attribute__ ((unused)))
{
}
void
grub_hostdisk_flush_initial_buffer (const char *os_dev __attribute__ ((unused)))
{
}
const char *
grub_util_fd_strerror (void)
{
static char buf[201];
LONG err = IoErr ();
if (!err)
return _("Success");
memset (buf, '\0', sizeof (buf));
Fault (err, (const unsigned char *) "", (STRPTR) buf, sizeof (buf));
if (buf[0] == ':')
return buf + 1;
return buf;
}

2
grub-core/kern/emu/hostdisk_os.c
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@ -12,6 +12,8 @@
#include "hostdisk_hurd.c"
#elif defined(__CYGWIN__) || defined(__MINGW32__)
#include "hostdisk_windows.c"
#elif defined(__AROS__)
#include "hostdisk_aros.c"
#else
# warning "No hostdisk OS-specific functions is available for your system. Device detection may not work properly."
#include "hostdisk_basic.c"

28
grub-core/kern/emu/misc.c
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@ -55,6 +55,13 @@
# include <sys/mnttab.h>
#endif
#ifdef __AROS__
#include <dos/dos.h>
#include <dos/filesystem.h>
#include <dos/exall.h>
#include <proto/dos.h>
#endif
int verbosity;
void
@ -194,7 +201,26 @@ char *
canonicalize_file_name (const char *path)
{
char *ret;
#ifdef __MINGW32__
#ifdef __AROS__
BPTR lck;
const char *p;
p = strchr (path, ':');
if (p && !p[1])
return xstrdup (path);
ret = xmalloc (2048);
lck = Lock ((const unsigned char *) path, SHARED_LOCK);
if (!lck || !NameFromLock (lck, (unsigned char *) ret, 2040))
{
free (ret);
ret = xstrdup (path);
}
if (lck)
UnLock (lck);
#elif defined (__MINGW32__)
ret = xmalloc (PATH_MAX);
if (!_fullpath (ret, path, PATH_MAX))
return NULL;

24
include/grub/emu/hostdisk.h
View File

@ -24,7 +24,29 @@
#include <grub/partition.h>
#include <sys/types.h>
#if defined (__CYGWIN__) || defined (__MINGW32__)
#if defined (__AROS__)
struct grub_util_fd
{
enum { GRUB_UTIL_FD_FILE, GRUB_UTIL_FD_DISK } type;
grub_uint64_t off;
union
{
int fd;
struct {
struct IOExtTD *ioreq;
struct MsgPort *mp;
unsigned int is_floppy:1;
unsigned int is_64:1;
};
};
};
typedef struct grub_util_fd *grub_util_fd_t;
#define GRUB_UTIL_FD_INVALID NULL
#define GRUB_UTIL_FD_IS_VALID(x) ((x) != GRUB_UTIL_FD_INVALID)
#define GRUB_UTIL_FD_STAT_IS_FUNCTIONAL 0
#elif defined (__CYGWIN__) || defined (__MINGW32__)
#include <windows.h>
typedef HANDLE grub_util_fd_t;
#define GRUB_UTIL_FD_INVALID INVALID_HANDLE_VALUE

4
include/grub/emu/misc.h
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@ -25,7 +25,9 @@
#include <grub/symbol.h>
#include <grub/types.h>
#if defined __CYGWIN__ || defined (__MINGW32__)
#if defined (__AROS__)
# define DEFAULT_DIRECTORY "SYS:" GRUB_BOOT_DIR_NAME "/" GRUB_DIR_NAME
#elif defined __CYGWIN__ || defined (__MINGW32__)
# define DEFAULT_DIRECTORY "C:\\"GRUB_BOOT_DIR_NAME"\\"GRUB_DIR_NAME
#elif defined (__NetBSD__)
/* NetBSD uses /boot for its boot block. */

271
util/getroot_aros.c Normal file
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@ -0,0 +1,271 @@
/*
* 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/util/lvm.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 *p;
char *dname;
char *ret;
struct DosList *dl;
struct DeviceNode *dn;
struct FileSysStartupMsg *fm;
struct DosEnvec *envec;
if (!dev[0])
return xstrdup (dev);
p = dev + strlen (dev) - 1;
if (*p != ':')
return xstrdup (dev);
dname = xmalloc (p - dev + 1);
memcpy (dname, dev, p - dev);
dname[p - dev] = '\0';
dl = LockDosList(LDF_READ);
if (!dl)
{
free (dname);
return xstrdup (dev);
}
dn = (struct DeviceNode *) FindDosEntry (dl, (unsigned char *) dname,
LDF_DEVICES);
UnLockDosList (LDF_READ);
free (dname);
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 *p;
char *dname;
struct DosList *dl;
struct DeviceNode *dn;
struct FileSysStartupMsg *fm;
struct DosEnvec *envec;
if (!dev[0])
return 0;
p = dev + strlen (dev) - 1;
if (*p != ':')
return 0;
dname = xmalloc (p - dev + 1);
memcpy (dname, dev, p - dev);
dname[p - dev] = '\0';
dl = LockDosList(LDF_READ);
if (!dl)
{
free (dname);
return 0;
}
dn = (struct DeviceNode *) FindDosEntry (dl, (unsigned char *) dname,
LDF_DEVICES);
UnLockDosList (LDF_READ);
free (dname);
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_make_system_path_relative_to_its_root (const char *path)
{
char *p;
unsigned char *tmp = xmalloc (2048);
char *ret;
BPTR lck;
lck = Lock ((const unsigned char *) path, SHARED_LOCK);
if (!lck || !NameFromLock (lck, tmp, 2040))
{
free (tmp);
tmp = (unsigned char *) xstrdup (path);
}
if (lck)
UnLock (lck);
p = strchr ((char *) tmp, ':');
if (!p)
return (char *) tmp;
if (p[1] == '/' || p[1] == '\0')
{
ret = xstrdup (p + 1);
}
else
{
ret = xmalloc (strlen (p + 1) + 2);
ret[0] = '/';
strcpy (ret + 1, p + 1);
}
free (tmp);
return ret;
}
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 + 2);
memcpy (os_dev[0], path, sz);
os_dev[0][sz] = ':';
os_dev[0][sz+1] = '\0';
p = strchr (os_dev[0], ':');
*(p + 1) = '\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 + 2);
memcpy (os_dev[0], nm, sz);
os_dev[0][sz] = ':';
os_dev[0][sz+1] = '\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, *p;
dname = grub_util_biosdisk_get_osdev (disk);
p = strchr (dname, ':');
if (!p || p[1])
return 0;
if (strncmp (dname, TD_NAME, sizeof (TD_NAME) - 1) == 0
&& (TD_NAME[sizeof (TD_NAME) - 1] == '/'
|| TD_NAME[sizeof (TD_NAME) - 1] == ':'))
return 1;
return 0;
}

2
util/getroot_os.c
View File

@ -12,6 +12,8 @@
#include "getroot_hurd.c"
#elif defined(__CYGWIN__) || defined (__MINGW32__)
#include "getroot_windows.c"
#elif defined(__AROS__)
#include "getroot_aros.c"
#else
# warning "No getroot OS-specific functions is available for your system. Device detection may not work properly."
#include "getroot_basic.c"