* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program 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 2 of
- * the License, or (at your option) any later version.
- *
- * This program 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 this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <ide.h>
+#include <malloc.h>
#include <part.h>
#undef PART_DEBUG
#define PRINTF(fmt,args...)
#endif
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
-
struct block_drvr {
char *name;
block_dev_desc_t* (*get_dev)(int dev);
#endif
#if defined(CONFIG_SYSTEMACE)
{ .name = "ace", .get_dev = systemace_get_dev, },
+#endif
+#if defined(CONFIG_SANDBOX)
+ { .name = "host", .get_dev = host_get_dev, },
#endif
{ },
};
DECLARE_GLOBAL_DATA_PTR;
+#ifdef HAVE_BLOCK_DEVICE
block_dev_desc_t *get_dev(const char *ifname, int dev)
{
const struct block_drvr *drvr = block_drvr;
}
#endif
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
+#ifdef HAVE_BLOCK_DEVICE
/* ------------------------------------------------------------------------- */
/*
break;
}
puts ("\n");
- if ((dev_desc->lba * dev_desc->blksz)>0L) {
+ if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
lbaint_t lba;
}
#endif
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
-
-#if defined(CONFIG_MAC_PARTITION) || \
- defined(CONFIG_DOS_PARTITION) || \
- defined(CONFIG_ISO_PARTITION) || \
- defined(CONFIG_AMIGA_PARTITION) || \
- defined(CONFIG_EFI_PARTITION)
+#ifdef HAVE_BLOCK_DEVICE
void init_part (block_dev_desc_t * dev_desc)
{
}
+#if defined(CONFIG_MAC_PARTITION) || \
+ defined(CONFIG_DOS_PARTITION) || \
+ defined(CONFIG_ISO_PARTITION) || \
+ defined(CONFIG_AMIGA_PARTITION) || \
+ defined(CONFIG_EFI_PARTITION)
+
static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
{
puts ("\nPartition Map for ");
case IF_TYPE_MMC:
puts ("MMC");
break;
+ case IF_TYPE_HOST:
+ puts("HOST");
+ break;
default:
puts ("UNKNOWN");
break;
dev_desc->dev, type);
}
+#endif /* any CONFIG_..._PARTITION */
+
void print_part (block_dev_desc_t * dev_desc)
{
puts ("## Unknown partition table\n");
}
-
-#else /* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */
-# error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION
-# error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION
-# error nor CONFIG_EFI_PARTITION configured!
-#endif
-
-#endif
+#endif /* HAVE_BLOCK_DEVICE */
int get_partition_info(block_dev_desc_t *dev_desc, int part
, disk_partition_t *info)
{
-#if defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE)
+#ifdef HAVE_BLOCK_DEVICE
+
+#ifdef CONFIG_PARTITION_UUIDS
+ /* The common case is no UUID support */
+ info->uuid[0] = 0;
+#endif
switch (dev_desc->part_type) {
#ifdef CONFIG_MAC_PARTITION
default:
break;
}
-#endif
+#endif /* HAVE_BLOCK_DEVICE */
return -1;
}
return dev;
}
-int get_device_and_partition(const char *ifname, const char *dev_str,
+#define PART_UNSPECIFIED -2
+#define PART_AUTO -1
+#define MAX_SEARCH_PARTITIONS 16
+int get_device_and_partition(const char *ifname, const char *dev_part_str,
block_dev_desc_t **dev_desc,
- disk_partition_t *info)
+ disk_partition_t *info, int allow_whole_dev)
{
- int ret;
- char *ep;
+ int ret = -1;
+ const char *part_str;
+ char *dup_str = NULL;
+ const char *dev_str;
int dev;
- block_dev_desc_t *desc;
- int part = 0;
- char *part_str;
-
- if (dev_str)
- dev = simple_strtoul(dev_str, &ep, 16);
-
- if (!dev_str || (dev_str == ep)) {
- dev_str = getenv("bootdevice");
- if (dev_str)
- dev = simple_strtoul(dev_str, &ep, 16);
- if (!dev_str || (dev_str == ep))
- goto err;
+ char *ep;
+ int p;
+ int part;
+ disk_partition_t tmpinfo;
+
+ /* If no dev_part_str, use bootdevice environment variable */
+ if (!dev_part_str || !strlen(dev_part_str) ||
+ !strcmp(dev_part_str, "-"))
+ dev_part_str = getenv("bootdevice");
+
+ /* If still no dev_part_str, it's an error */
+ if (!dev_part_str) {
+ printf("** No device specified **\n");
+ goto cleanup;
}
- desc = get_dev(ifname, dev);
- if (!desc || (desc->type == DEV_TYPE_UNKNOWN))
- goto err;
+ /* Separate device and partition ID specification */
+ part_str = strchr(dev_part_str, ':');
+ if (part_str) {
+ dup_str = strdup(dev_part_str);
+ dup_str[part_str - dev_part_str] = 0;
+ dev_str = dup_str;
+ part_str++;
+ } else {
+ dev_str = dev_part_str;
+ }
+
+ /* Look up the device */
+ dev = get_device(ifname, dev_str, dev_desc);
+ if (dev < 0)
+ goto cleanup;
+
+ /* Convert partition ID string to number */
+ if (!part_str || !*part_str) {
+ part = PART_UNSPECIFIED;
+ } else if (!strcmp(part_str, "auto")) {
+ part = PART_AUTO;
+ } else {
+ /* Something specified -> use exactly that */
+ part = (int)simple_strtoul(part_str, &ep, 16);
+ /*
+ * Less than whole string converted,
+ * or request for whole device, but caller requires partition.
+ */
+ if (*ep || (part == 0 && !allow_whole_dev)) {
+ printf("** Bad partition specification %s %s **\n",
+ ifname, dev_part_str);
+ goto cleanup;
+ }
+ }
+
+ /*
+ * No partition table on device,
+ * or user requested partition 0 (entire device).
+ */
+ if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
+ (part == 0)) {
+ if (!(*dev_desc)->lba) {
+ printf("** Bad device size - %s %s **\n", ifname,
+ dev_str);
+ goto cleanup;
+ }
- if (desc->part_type == PART_TYPE_UNKNOWN) {
- /* disk doesn't use partition table */
- if (!desc->lba) {
- printf("**Bad disk size - %s %d:0 **\n", ifname, dev);
- return -1;
+ /*
+ * If user specified a partition ID other than 0,
+ * or the calling command only accepts partitions,
+ * it's an error.
+ */
+ if ((part > 0) || (!allow_whole_dev)) {
+ printf("** No partition table - %s %s **\n", ifname,
+ dev_str);
+ goto cleanup;
}
+
+ (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
+
info->start = 0;
- info->size = desc->lba;
- info->blksz = desc->blksz;
+ info->size = (*dev_desc)->lba;
+ info->blksz = (*dev_desc)->blksz;
+ info->bootable = 0;
+ strcpy((char *)info->type, BOOT_PART_TYPE);
+ strcpy((char *)info->name, "Whole Disk");
+#ifdef CONFIG_PARTITION_UUIDS
+ info->uuid[0] = 0;
+#endif
- *dev_desc = desc;
- return 0;
+ ret = 0;
+ goto cleanup;
}
- part_str = strchr(dev_str, ':');
- if (part_str)
- part = (int)simple_strtoul(++part_str, NULL, 16);
-
- ret = get_partition_info(desc, part, info);
- if (ret) {
- printf("** Invalid partition %d, use `dev[:part]' **\n", part);
- return -1;
+ /*
+ * Now there's known to be a partition table,
+ * not specifying a partition means to pick partition 1.
+ */
+ if (part == PART_UNSPECIFIED)
+ part = 1;
+
+ /*
+ * If user didn't specify a partition number, or did specify something
+ * other than "auto", use that partition number directly.
+ */
+ if (part != PART_AUTO) {
+ ret = get_partition_info(*dev_desc, part, info);
+ if (ret) {
+ printf("** Invalid partition %d **\n", part);
+ goto cleanup;
+ }
+ } else {
+ /*
+ * Find the first bootable partition.
+ * If none are bootable, fall back to the first valid partition.
+ */
+ part = 0;
+ for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
+ ret = get_partition_info(*dev_desc, p, info);
+ if (ret)
+ continue;
+
+ /*
+ * First valid partition, or new better partition?
+ * If so, save partition ID.
+ */
+ if (!part || info->bootable)
+ part = p;
+
+ /* Best possible partition? Stop searching. */
+ if (info->bootable)
+ break;
+
+ /*
+ * We now need to search further for best possible.
+ * If we what we just queried was the best so far,
+ * save the info since we over-write it next loop.
+ */
+ if (part == p)
+ tmpinfo = *info;
+ }
+ /* If we found any acceptable partition */
+ if (part) {
+ /*
+ * If we searched all possible partition IDs,
+ * return the first valid partition we found.
+ */
+ if (p == MAX_SEARCH_PARTITIONS + 1)
+ *info = tmpinfo;
+ } else {
+ printf("** No valid partitions found **\n");
+ ret = -1;
+ goto cleanup;
+ }
}
if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
printf("** Invalid partition type \"%.32s\""
" (expect \"" BOOT_PART_TYPE "\")\n",
info->type);
- return -1;
+ ret = -1;
+ goto cleanup;
}
- *dev_desc = desc;
- return part;
+ (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
-err:
- puts("** Invalid boot device, use `dev[:part]' **\n");
- return -1;
+ ret = part;
+ goto cleanup;
+
+cleanup:
+ free(dup_str);
+ return ret;
}
projects / karo-tx-uboot.git / blobdiff