X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=disk%2Fpart_iso.c;h=e733227f5996b8ef83ccb4a1fa5ac1f7b02a8699;hb=4862830b696a6d0750e19d32a82553cdb41a85f8;hp=489463079392be2dc964e08c2f9677435bea074f;hpb=0207fefa4dc530dba518abf37c2957915251b416;p=oweals%2Fu-boot.git diff --git a/disk/part_iso.c b/disk/part_iso.c index 4894630793..e733227f59 100644 --- a/disk/part_iso.c +++ b/disk/part_iso.c @@ -1,36 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (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 */ #include #include +#include #include "part_iso.h" -#if (defined(CONFIG_CMD_IDE) || \ - defined(CONFIG_CMD_SCSI) || \ - defined(CONFIG_CMD_SATA) || \ - defined(CONFIG_CMD_USB) || \ - defined(CONFIG_MMC) || \ - defined(CONFIG_SYSTEMACE) ) && defined(CONFIG_ISO_PARTITION) +#ifdef CONFIG_HAVE_BLOCK_DEVICE /* #define ISO_PART_DEBUG */ @@ -44,30 +23,30 @@ #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; @@ -78,103 +57,86 @@ 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;iblock_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); } } - /* boot entry found */ + /* boot entry found */ 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\n", 'a' + dev_desc->dev, part_num); - break; - case IF_TYPE_SCSI: - sprintf ((char *)info->name, "sd%c%d\n", 'a' + dev_desc->dev, part_num); - break; - case IF_TYPE_USB: - sprintf ((char *)info->name, "usbd%c%d\n", 'a' + dev_desc->dev, part_num); - break; - case IF_TYPE_DOC: - sprintf ((char *)info->name, "docd%c%d\n", 'a' + dev_desc->dev, part_num); - break; - default: - sprintf ((char *)info->name, "xx%c%d\n", '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 +158,7 @@ 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 +166,18 @@ 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 +185,57 @@ 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