]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - disk/part_iso.c
Remove CONFIG_SYS_BOOTCOUNT_SINGLEWORD
[people/ms/u-boot.git] / disk / part_iso.c
index 49639af2690d329a6e989a8c37458f20c8d1b5fe..ef582de7a116e8d376ef38d08edd322fa1b35aa3 100644 (file)
@@ -2,30 +2,15 @@
  * (C) Copyright 2001
  * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch.
  *
- * 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 <asm/unaligned.h>
 #include "part_iso.h"
 
-#ifdef HAVE_BLOCK_DEVICE
+#ifdef CONFIG_HAVE_BLOCK_DEVICE
 
 /* #define     ISO_PART_DEBUG */
 
 #undef CHECK_FOR_POWERPC_PLATTFORM
 #define CD_SECTSIZE 2048
 
-static unsigned char tmpbuf[CD_SECTSIZE];
+static unsigned char tmpbuf[CD_SECTSIZE] __aligned(ARCH_DMA_MINALIGN);
 
-/* Convert char[4] in little endian format to the host format integer
- */
-static inline unsigned long le32_to_int(unsigned char *le32)
-{
-    return ((le32[3] << 24) +
-           (le32[2] << 16) +
-           (le32[1] << 8) +
-            le32[0]
-          );
-}
-/* Convert char[2] in little endian format to the host format integer
- */
-static inline unsigned short le16_to_int(unsigned char *le16)
+unsigned long iso_dread(struct blk_desc *block_dev, lbaint_t start,
+                        lbaint_t blkcnt, void *buffer)
 {
-    return ((le16[1] << 8) +
-          le16[0]
-          );
-}
+       unsigned long ret;
+
+       if (block_dev->blksz == 512) {
+               /* Convert from 2048 to 512 sector size */
+               start *= 4;
+               blkcnt *= 4;
+       }
 
+       ret = blk_dread(block_dev, start, blkcnt, buffer);
+
+       if (block_dev->blksz == 512)
+               ret /= 4;
+
+       return ret;
+}
 
 /* only boot records will be listed as valid partitions */
-int get_partition_info_iso_verb(block_dev_desc_t * dev_desc, int part_num, disk_partition_t * info, int verb)
+int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
+                          disk_partition_t *info, int verb)
 {
        int i,offset,entry_num;
        unsigned short *chksumbuf;
@@ -73,38 +58,39 @@ int get_partition_info_iso_verb(block_dev_desc_t * dev_desc, int part_num, disk_
        iso_val_entry_t *pve = (iso_val_entry_t *)tmpbuf;
        iso_init_def_entry_t *pide;
 
+       if ((dev_desc->blksz != CD_SECTSIZE) && (dev_desc->blksz != 512))
+               return -1;
+
        /* the first sector (sector 0x10) must be a primary volume desc */
        blkaddr=PVD_OFFSET;
-       if (dev_desc->block_read (dev_desc->dev, PVD_OFFSET, 1, (ulong *) tmpbuf) != 1)
-       return (-1);
+       if (iso_dread(dev_desc, PVD_OFFSET, 1, (ulong *)tmpbuf) != 1)
+               return -1;
        if(ppr->desctype!=0x01) {
                if(verb)
                        printf ("** First descriptor is NOT a primary desc on %d:%d **\n",
-                               dev_desc->dev, part_num);
+                               dev_desc->devnum, part_num);
                return (-1);
        }
        if(strncmp((char *)ppr->stand_ident,"CD001",5)!=0) {
                if(verb)
                        printf ("** Wrong ISO Ident: %s on %d:%d **\n",
-                               ppr->stand_ident,dev_desc->dev, part_num);
+                               ppr->stand_ident, dev_desc->devnum, part_num);
                return (-1);
        }
-       lastsect= ((ppr->firstsek_LEpathtab1_LE & 0x000000ff)<<24) +
-                 ((ppr->firstsek_LEpathtab1_LE & 0x0000ff00)<< 8) +
-                 ((ppr->firstsek_LEpathtab1_LE & 0x00ff0000)>> 8) +
-                 ((ppr->firstsek_LEpathtab1_LE & 0xff000000)>>24) ;
-       info->blksz=ppr->secsize_BE; /* assuming same block size for all entries */
+       lastsect = le32_to_cpu(ppr->firstsek_LEpathtab1_LE);
+       /* assuming same block size for all entries */
+       info->blksz = be16_to_cpu(ppr->secsize_BE);
        PRINTF(" Lastsect:%08lx\n",lastsect);
        for(i=blkaddr;i<lastsect;i++) {
                PRINTF("Reading block %d\n", i);
-               if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *) tmpbuf) != 1)
-               return (-1);
+               if (iso_dread(dev_desc, i, 1, (ulong *)tmpbuf) != 1)
+                       return -1;
                if(ppr->desctype==0x00)
                        break; /* boot entry found */
                if(ppr->desctype==0xff) {
                        if(verb)
                                printf ("** No valid boot catalog found on %d:%d **\n",
-                                       dev_desc->dev, part_num);
+                                       dev_desc->devnum, part_num);
                        return (-1);
                }
        }
@@ -112,69 +98,46 @@ int get_partition_info_iso_verb(block_dev_desc_t * dev_desc, int part_num, disk_
        if(strncmp(pbr->ident_str,"EL TORITO SPECIFICATION",23)!=0) {
                if(verb)
                        printf ("** Wrong El Torito ident: %s on %d:%d **\n",
-                               pbr->ident_str,dev_desc->dev, part_num);
+                               pbr->ident_str, dev_desc->devnum, part_num);
                return (-1);
        }
-       bootaddr=le32_to_int(pbr->pointer);
+       bootaddr = get_unaligned_le32(pbr->pointer);
        PRINTF(" Boot Entry at: %08lX\n",bootaddr);
-       if (dev_desc->block_read (dev_desc->dev, bootaddr, 1, (ulong *) tmpbuf) != 1) {
+       if (iso_dread(dev_desc, bootaddr, 1, (ulong *)tmpbuf) != 1) {
                if(verb)
                        printf ("** Can't read Boot Entry at %lX on %d:%d **\n",
-                               bootaddr,dev_desc->dev, part_num);
+                               bootaddr, dev_desc->devnum, part_num);
                return (-1);
        }
        chksum=0;
        chksumbuf = (unsigned short *)tmpbuf;
        for(i=0;i<0x10;i++)
-               chksum+=((chksumbuf[i] &0xff)<<8)+((chksumbuf[i] &0xff00)>>8);
+               chksum += le16_to_cpu(chksumbuf[i]);
        if(chksum!=0) {
                if(verb)
-                       printf ("** Checksum Error in booting catalog validation entry on %d:%d **\n",
-                               dev_desc->dev, part_num);
+                       printf("** Checksum Error in booting catalog validation entry on %d:%d **\n",
+                              dev_desc->devnum, part_num);
                return (-1);
        }
        if((pve->key[0]!=0x55)||(pve->key[1]!=0xAA)) {
                if(verb)
                        printf ("** Key 0x55 0xAA error on %d:%d **\n",
-                               dev_desc->dev, part_num);
+                               dev_desc->devnum, part_num);
                return(-1);
        }
 #ifdef CHECK_FOR_POWERPC_PLATTFORM
        if(pve->platform!=0x01) {
                if(verb)
                        printf ("** No PowerPC platform CD on %d:%d **\n",
-                               dev_desc->dev, part_num);
+                               dev_desc->devnum, part_num);
                return(-1);
        }
 #endif
        /* the validation entry seems to be ok, now search the "partition" */
-       entry_num=0;
+       entry_num=1;
        offset=0x20;
-       sprintf ((char *)info->type, "U-Boot");
-       switch(dev_desc->if_type) {
-               case IF_TYPE_IDE:
-               case IF_TYPE_SATA:
-               case IF_TYPE_ATAPI:
-                       sprintf ((char *)info->name, "hd%c%d",
-                               'a' + dev_desc->dev, part_num);
-                       break;
-               case IF_TYPE_SCSI:
-                       sprintf ((char *)info->name, "sd%c%d",
-                               'a' + dev_desc->dev, part_num);
-                       break;
-               case IF_TYPE_USB:
-                       sprintf ((char *)info->name, "usbd%c%d",
-                               'a' + dev_desc->dev, part_num);
-                       break;
-               case IF_TYPE_DOC:
-                       sprintf ((char *)info->name, "docd%c%d",
-                               'a' + dev_desc->dev, part_num);
-                       break;
-               default:
-                       sprintf ((char *)info->name, "xx%c%d",
-                               'a' + dev_desc->dev, part_num);
-                       break;
-       }
+       strcpy((char *)info->type, "U-Boot");
+       part_set_generic_name(dev_desc, part_num, (char *)info->name);
        /* the bootcatalog (including validation Entry) is limited to 2048Bytes
         * (63 boot entries + validation entry) */
         while(offset<2048) {
@@ -196,7 +159,7 @@ int get_partition_info_iso_verb(block_dev_desc_t * dev_desc, int part_num, disk_
                else {
                        if(verb)
                                printf ("** Partition %d not found on device %d **\n",
-                                       part_num,dev_desc->dev);
+                                       part_num, dev_desc->devnum);
                        return(-1);
                }
        }
@@ -204,18 +167,18 @@ int get_partition_info_iso_verb(block_dev_desc_t * dev_desc, int part_num, disk_
         * searched w/o succsess */
        if(verb)
                printf ("** Partition %d not found on device %d **\n",
-                       part_num,dev_desc->dev);
+                       part_num, dev_desc->devnum);
        return(-1);
 found:
        if(pide->boot_ind!=0x88) {
                if(verb)
-                       printf ("** Partition %d is not bootable on device %d **\n",
-                               part_num,dev_desc->dev);
+                       printf("** Partition %d is not bootable on device %d **\n",
+                              part_num, dev_desc->devnum);
                return (-1);
        }
        switch(pide->boot_media) {
                case 0x00: /* no emulation */
-                       info->size=le16_to_int(pide->sec_cnt)>>2;
+                       info->size = get_unaligned_le16(pide->sec_cnt)>>2;
                        break;
                case 0x01:      info->size=2400>>2; break; /* 1.2MByte Floppy */
                case 0x02:      info->size=2880>>2; break; /* 1.44MByte Floppy */
@@ -223,40 +186,57 @@ found:
                case 0x04:      info->size=2880>>2; break; /* dummy (HD Emulation) */
                default:        info->size=0; break;
        }
-       newblkaddr=le32_to_int(pide->rel_block_addr);
+       newblkaddr = get_unaligned_le32(pide->rel_block_addr);
        info->start=newblkaddr;
-       PRINTF(" part %d found @ %lx size %lx\n",part_num,newblkaddr,info->size);
+
+       if (dev_desc->blksz == 512) {
+               info->size *= 4;
+               info->start *= 4;
+               info->blksz = 512;
+       }
+
+       PRINTF(" part %d found @ %lx size %lx\n",part_num,info->start,info->size);
        return 0;
 }
 
-int get_partition_info_iso(block_dev_desc_t * dev_desc, int part_num, disk_partition_t * info)
+static int part_get_info_iso(struct blk_desc *dev_desc, int part_num,
+                                 disk_partition_t *info)
 {
-       return(get_partition_info_iso_verb(dev_desc, part_num, info, 1));
+       return part_get_info_iso_verb(dev_desc, part_num, info, 0);
 }
 
-
-void print_part_iso(block_dev_desc_t * dev_desc)
+static void part_print_iso(struct blk_desc *dev_desc)
 {
        disk_partition_t info;
        int i;
-       if(get_partition_info_iso_verb(dev_desc,0,&info,0)==-1) {
-               printf("** No boot partition found on device %d **\n",dev_desc->dev);
+
+       if (part_get_info_iso_verb(dev_desc, 1, &info, 0) == -1) {
+               printf("** No boot partition found on device %d **\n",
+                      dev_desc->devnum);
                return;
        }
        printf("Part   Start     Sect x Size Type\n");
-       i=0;
+       i=1;
        do {
-               printf (" %2d %8ld %8ld %6ld %.32s\n",
-                       i, info.start, info.size, info.blksz, info.type);
+               printf(" %2d " LBAFU " " LBAFU " %6ld %.32s\n",
+                      i, info.start, info.size, info.blksz, info.type);
                i++;
-       } while (get_partition_info_iso_verb(dev_desc,i,&info,0)!=-1);
+       } while (part_get_info_iso_verb(dev_desc, i, &info, 0) != -1);
 }
 
-int test_part_iso (block_dev_desc_t *dev_desc)
+static int part_test_iso(struct blk_desc *dev_desc)
 {
        disk_partition_t info;
 
-       return(get_partition_info_iso_verb(dev_desc,0,&info,0));
+       return part_get_info_iso_verb(dev_desc, 1, &info, 0);
 }
 
+U_BOOT_PART_TYPE(iso) = {
+       .name           = "ISO",
+       .part_type      = PART_TYPE_ISO,
+       .max_entries    = ISO_ENTRY_NUMBERS,
+       .get_info       = part_get_info_iso,
+       .print          = part_print_iso,
+       .test           = part_test_iso,
+};
 #endif