VOID Ext2DebugPrintContent (EXT2_EFI_FILE_PRIVATE *PrivateFile) { struct vop_read_args v; struct uio uio; struct iovec uio_iov; int error = 0; uio_iov.iov_base = AllocateZeroPool (1024); //bsize uio_iov.iov_len = 1024; uio.uio_iov = &uio_iov; uio.uio_iovcnt = 1; uio.uio_offset = 0; uio.uio_resid = 1024; uio.uio_rw = UIO_READ; v.a_vp = PrivateFile; v.a_uio = &uio; v.a_ioflag = 0; error = ext2fs_read(&v); DEBUG ((EFI_D_INFO, "\n *** Content of regular file %s *** \n", PrivateFile->Filename)); Ext2DebugCharBuffer(uio_iov.iov_base, 100); //100 chars should be enough, otherwise // we're poluting the logs i guess FreePool (uio_iov.iov_base); }
static BT_s32 ext2_read(BT_HANDLE hFile, BT_u32 ulFlags, BT_u32 ulSize, void *pBuffer) { if(!hFile) { return BT_ERR_INVALID_HANDLE; } BT_u32 rc = 0; rc = ext2fs_read (pBuffer, ulSize); return rc; }
static BT_s32 ext2_getc(BT_HANDLE hFile, BT_u32 ulFlags) { if(!hFile) { return BT_ERR_INVALID_HANDLE; } char c = 0; BT_s32 rc = ext2fs_read (&c, 1); if(rc <= 0) rc = -1; else rc = c; return rc; }
/****************************************************************************** * Ext2fs boot command intepreter. Derived from diskboot */ int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { char *filename = NULL; char *ep; int dev, part = 1; ulong addr = 0, part_length, filelen; disk_partition_t info; block_dev_desc_t *dev_desc = NULL; char buf [12]; unsigned long count; char *addr_str; switch (argc) { case 3: addr_str = getenv("loadaddr"); if (addr_str != NULL) { addr = simple_strtoul (addr_str, NULL, 16); } else { addr = CONFIG_SYS_LOAD_ADDR; } filename = getenv ("bootfile"); count = 0; break; case 4: addr = simple_strtoul (argv[3], NULL, 16); filename = getenv ("bootfile"); count = 0; break; case 5: addr = simple_strtoul (argv[3], NULL, 16); filename = argv[4]; count = 0; break; case 6: addr = simple_strtoul (argv[3], NULL, 16); filename = argv[4]; count = simple_strtoul (argv[5], NULL, 16); break; default: cmd_usage(cmdtp); return(1); } if (!filename) { puts ("\n** No boot file defined **\n"); return(1); } dev = (int)simple_strtoul (argv[2], &ep, 16); dev_desc = get_dev(argv[1],dev); if (dev_desc==NULL) { printf ("\n** Block device %s %d not supported\n", argv[1], dev); return(1); } if (*ep) { if (*ep != ':') { puts ("\n** Invalid boot device, use `dev[:part]' **\n"); return(1); } part = (int)simple_strtoul(++ep, NULL, 16); } PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part); if (part != 0) { if (get_partition_info (dev_desc, part, &info)) { printf ("** Bad partition %d **\n", part); return(1); } if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) { printf ("\n** Invalid partition type \"%.32s\"" " (expect \"" BOOT_PART_TYPE "\")\n", info.type); return(1); } PRINTF ("\nLoading from block device %s device %d, partition %d: " "Name: %.32s Type: %.32s File:%s\n", argv[1], dev, part, info.name, info.type, filename); } else { PRINTF ("\nLoading from block device %s device %d, File:%s\n", argv[1], dev, filename); } if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) { printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part); ext2fs_close(); return(1); } if (!ext2fs_mount(part_length)) { printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part); ext2fs_close(); return(1); } filelen = ext2fs_open(filename); if (filelen < 0) { printf("** File not found %s\n", filename); ext2fs_close(); return(1); } if ((count < filelen) && (count != 0)) { filelen = count; } if (ext2fs_read((char *)addr, filelen) != filelen) { printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part); ext2fs_close(); return(1); } ext2fs_close(); /* Loading ok, update default load address */ load_addr = addr; printf ("\n%ld bytes read\n", filelen); sprintf(buf, "%lX", filelen); setenv("filesize", buf); return(filelen); }