static void
grub_bsd_get_device (grub_uint32_t * biosdev,
grub_uint32_t * unit,
grub_uint32_t * slice, grub_uint32_t * part)
{
grub_device_t dev;
#ifdef GRUB_MACHINE_PCBIOS
*biosdev = grub_get_root_biosnumber () & 0xff;
#else
*biosdev = 0xff;
#endif
*unit = (*biosdev & 0x7f);
*slice = 0xff;
*part = 0xff;
dev = grub_device_open (0);
if (dev && dev->disk && dev->disk->partition)
{
if (dev->disk->partition->parent)
{
*part = dev->disk->partition->number;
*slice = dev->disk->partition->parent->number + 1;
}
else
*slice = dev->disk->partition->number + 1;
}
if (dev)
grub_device_close (dev);
}
void
grub_multiboot_set_bootdev (void)
{
grub_device_t dev;
slice = ~0;
part = ~0;
#ifdef GRUB_MACHINE_PCBIOS
biosdev = grub_get_root_biosnumber ();
#else
biosdev = 0xffffffff;
#endif
if (biosdev == 0xffffffff)
return;
dev = grub_device_open (0);
if (dev && dev->disk && dev->disk->partition)
{
if (dev->disk->partition->parent)
{
part = dev->disk->partition->number;
slice = dev->disk->partition->parent->number;
}
else
slice = dev->disk->partition->number;
}
if (dev)
grub_device_close (dev);
bootdev_set = 1;
}
static void
grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
{
grub_file_t file = 0;
grub_uint16_t signature;
grub_device_t dev;
int drive = -1;
void *part_addr = 0;
grub_dl_ref (my_mod);
file = grub_file_open (filename);
if (! file)
goto fail;
/* Read the first block. */
if (grub_file_read (file, (void *) 0x7C00, GRUB_DISK_SECTOR_SIZE)
!= GRUB_DISK_SECTOR_SIZE)
{
if (grub_errno == GRUB_ERR_NONE)
grub_error (GRUB_ERR_BAD_OS, "too small");
goto fail;
}
/* Check the signature. */
signature = *((grub_uint16_t *) (0x7C00 + GRUB_DISK_SECTOR_SIZE - 2));
if (signature != grub_le_to_cpu16 (0xaa55)
&& ! (flags & GRUB_CHAINLOADER_FORCE))
{
grub_error (GRUB_ERR_BAD_OS, "invalid signature");
goto fail;
}
grub_file_close (file);
/* Obtain the partition table from the root device. */
drive = grub_get_root_biosnumber ();
dev = grub_device_open (0);
if (dev && dev->disk && dev->disk->partition)
{
grub_disk_t disk = dev->disk;
if (disk)
{
grub_partition_t p = disk->partition;
if (p && grub_strcmp (p->partmap->name, "msdos") == 0)
{
disk->partition = p->parent;
grub_disk_read (disk, p->offset, 446, 64,
(void *) GRUB_MEMORY_MACHINE_PART_TABLE_ADDR);
part_addr = (void *) (GRUB_MEMORY_MACHINE_PART_TABLE_ADDR
+ (p->index << 4));
disk->partition = p;
}
}
}
if (dev)
grub_device_close (dev);
/* Ignore errors. Perhaps it's not fatal. */
grub_errno = GRUB_ERR_NONE;
boot_drive = drive;
boot_part_addr = part_addr;
grub_loader_set (grub_chainloader_boot, grub_chainloader_unload, 1);
return;
fail:
if (file)
grub_file_close (file);
grub_dl_unref (my_mod);
}
static grub_err_t
grub_cmd_ntldr (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
grub_err_t err;
void *bs, *ntldr;
grub_size_t ntldrsize;
grub_device_t dev;
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
grub_dl_ref (my_mod);
rel = grub_relocator_new ();
if (!rel)
goto fail;
file = grub_file_open (argv[0]);
if (! file)
goto fail;
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, 0x7C00,
GRUB_DISK_SECTOR_SIZE);
if (err)
goto fail;
bs = get_virtual_current_address (ch);
}
edx = grub_get_root_biosnumber ();
dev = grub_device_open (0);
if (dev && dev->disk)
{
err = grub_disk_read (dev->disk, 0, 0, GRUB_DISK_SECTOR_SIZE, bs);
if (err)
{
grub_device_close (dev);
goto fail;
}
}
if (dev)
grub_device_close (dev);
ntldrsize = grub_file_size (file);
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_NTLDR_SEGMENT << 4,
ntldrsize);
if (err)
goto fail;
ntldr = get_virtual_current_address (ch);
}
if (grub_file_read (file, ntldr, ntldrsize)
!= (grub_ssize_t) ntldrsize)
goto fail;
grub_loader_set (grub_ntldr_boot, grub_ntldr_unload, 1);
return GRUB_ERR_NONE;
fail:
if (file)
grub_file_close (file);
grub_ntldr_unload ();
return grub_errno;
}
static grub_err_t
grub_cmd_pxechain (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
grub_err_t err;
void *image;
grub_size_t imagesize;
char *fname;
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
grub_dl_ref (my_mod);
rel = grub_relocator_new ();
if (!rel)
goto fail;
file = grub_file_open (argv[0]);
if (! file)
goto fail;
if (file->device->net && file->device->net->name)
fname = file->device->net->name;
else
{
fname = argv[0];
if (fname[0] == '(')
{
fname = grub_strchr (fname, ')');
if (fname)
fname++;
else
fname = argv[0];
}
}
grub_memset (boot_file, 0, sizeof (boot_file));
grub_strncpy (boot_file, fname, sizeof (boot_file));
grub_memset (server_name, 0, sizeof (server_name));
if (file->device->net && file->device->net->server)
grub_strncpy (server_name, file->device->net->server, sizeof (server_name));
edx = grub_get_root_biosnumber ();
imagesize = grub_file_size (file);
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, 0x7c00, imagesize);
if (err)
goto fail;
image = get_virtual_current_address (ch);
}
if (grub_file_read (file, image, imagesize) != (grub_ssize_t) imagesize)
goto fail;
grub_loader_set (grub_pxechain_boot, grub_pxechain_unload,
GRUB_LOADER_FLAG_NORETURN | GRUB_LOADER_FLAG_PXE_NOT_UNLOAD);
return GRUB_ERR_NONE;
fail:
if (file)
grub_file_close (file);
grub_pxechain_unload ();
return grub_errno;
}
static grub_err_t
grub_cmd_freedos (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
grub_err_t err;
void *bs, *kernelsys;
grub_size_t kernelsyssize;
grub_device_t dev;
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
grub_dl_ref (my_mod);
rel = grub_relocator_new ();
if (!rel)
goto fail;
file = grub_file_open (argv[0]);
if (! file)
goto fail;
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_FREEDOS_BPB_ADDR,
GRUB_DISK_SECTOR_SIZE);
if (err)
goto fail;
bs = get_virtual_current_address (ch);
}
ebx = grub_get_root_biosnumber ();
dev = grub_device_open (0);
if (dev && dev->disk)
{
err = grub_disk_read (dev->disk, 0, 0, GRUB_DISK_SECTOR_SIZE, bs);
if (err)
{
grub_device_close (dev);
goto fail;
}
grub_chainloader_patch_bpb (bs, dev, ebx);
}
if (dev)
grub_device_close (dev);
kernelsyssize = grub_file_size (file);
if (kernelsyssize > GRUB_FREEDOS_MAX_SIZE)
{
grub_error (GRUB_ERR_BAD_OS,
N_("the size of `%s' is too large"), argv[0]);
goto fail;
}
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_FREEDOS_ADDR,
kernelsyssize);
if (err)
goto fail;
kernelsys = get_virtual_current_address (ch);
}
if (grub_file_read (file, kernelsys, kernelsyssize)
!= (grub_ssize_t) kernelsyssize)
goto fail;
grub_loader_set (grub_freedos_boot, grub_freedos_unload, 1);
return GRUB_ERR_NONE;
fail:
if (file)
grub_file_close (file);
grub_freedos_unload ();
return grub_errno;
}
static grub_err_t
grub_cmd_ntldr (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
grub_err_t err;
void *bs, *ntldr;
grub_size_t ntldrsize;
grub_device_t dev;
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
grub_dl_ref (my_mod);
rel = grub_relocator_new ();
if (!rel)
goto fail;
file = grub_file_open (argv[0]);
if (! file)
goto fail;
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, 0x7C00,
GRUB_DISK_SECTOR_SIZE);
if (err)
goto fail;
bs = get_virtual_current_address (ch);
}
edx = grub_get_root_biosnumber ();
dev = grub_device_open (0);
if (dev && dev->disk)
{
err = grub_disk_read (dev->disk, 0, 0, GRUB_DISK_SECTOR_SIZE, bs);
if (err)
{
grub_device_close (dev);
goto fail;
}
grub_chainloader_patch_bpb (bs, dev, edx);
}
if (dev)
grub_device_close (dev);
ntldrsize = grub_file_size (file);
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_NTLDR_SEGMENT << 4,
ntldrsize);
if (err)
goto fail;
ntldr = get_virtual_current_address (ch);
}
if (grub_file_read (file, ntldr, ntldrsize)
!= (grub_ssize_t) ntldrsize)
goto fail;
grub_loader_set (grub_ntldr_boot, grub_ntldr_unload, 1);
/* Begin TCG Extension */
if (grub_TPM_isAvailable())
grub_TPM_measureFile( argv[0], TPM_LOADED_FILES_PCR );
/* End TCG Extension */
return GRUB_ERR_NONE;
fail:
if (file)
grub_file_close (file);
grub_ntldr_unload ();
return grub_errno;
}