mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-06-26 13:06:07 +02:00
822 lines
21 KiB
C
822 lines
21 KiB
C
// Copyright 2009 Kwiirk
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// Licensed under the terms of the GNU GPL, version 2
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// http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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// Modified by oggzee
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#include "libwbfs.h"
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#define ERROR(x) do {wbfs_error(x);goto error;}while(0)
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#define ALIGN_LBA(x) (((x)+p->hd_sec_sz-1)&(~(p->hd_sec_sz-1)))
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wbfs_t wbfs_iso_file;
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static int force_mode = 0;
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void wbfs_set_force_mode(int force)
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{
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force_mode = force;
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}
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static u8 size_to_shift(u32 size)
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{
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u8 ret = 0;
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while (size)
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{
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ret++;
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size >>= 1;
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}
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return ret - 1;
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}
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#define read_le32_unaligned(x) ((x)[0]|((x)[1]<<8)|((x)[2]<<16)|((x)[3]<<24))
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wbfs_t*wbfs_open_hd(rw_sector_callback_t read_hdsector, rw_sector_callback_t write_hdsector, void *callback_data,
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int hd_sector_size, int num_hd_sector __attribute( ( unused ) ), int reset)
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{
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int i = num_hd_sector, ret;
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u8 *ptr, *tmp_buffer = wbfs_ioalloc( hd_sector_size );
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u8 part_table[16 * 4];
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ret = read_hdsector(callback_data, 0, 1, tmp_buffer);
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if (ret) return 0;
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//find wbfs partition
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wbfs_memcpy( part_table, tmp_buffer + 0x1be, 16*4 );
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ptr = part_table;
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for (i = 0; i < 4; i++, ptr += 16)
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{
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u32 part_lba = read_le32_unaligned( ptr + 0x8 );
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wbfs_head_t *head = (wbfs_head_t *) tmp_buffer;
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ret = read_hdsector(callback_data, part_lba, 1, tmp_buffer);
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// verify there is the magic.
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if (head->magic == wbfs_htonl( WBFS_MAGIC ))
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{
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wbfs_t*p = wbfs_open_partition(read_hdsector, write_hdsector, callback_data, hd_sector_size, 0, part_lba,
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reset);
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wbfs_iofree( tmp_buffer );
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return p;
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}
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}
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wbfs_iofree( tmp_buffer );
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if (reset)// XXX make a empty hd partition..
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{
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}
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return 0;
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}
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wbfs_t*wbfs_open_partition(rw_sector_callback_t read_hdsector, rw_sector_callback_t write_hdsector,
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void *callback_data, int hd_sector_size, int num_hd_sector, u32 part_lba, int reset)
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{
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wbfs_t *p = wbfs_malloc( sizeof( wbfs_t ) );
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wbfs_head_t *head = wbfs_ioalloc( hd_sector_size ? hd_sector_size : 512 );
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//constants, but put here for consistancy
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p->wii_sec_sz = 0x8000;
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p->wii_sec_sz_s = size_to_shift(0x8000);
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p->n_wii_sec = (num_hd_sector / 0x8000) * hd_sector_size;
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p->n_wii_sec_per_disc = 143432 * 2;//support for double layers discs..
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p->head = head;
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p->part_lba = part_lba;
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// init the partition
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if (reset)
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{
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u8 sz_s;
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wbfs_memset( head, 0, hd_sector_size );
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head->magic = wbfs_htonl( WBFS_MAGIC );
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head->hd_sec_sz_s = size_to_shift(hd_sector_size);
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head->n_hd_sec = wbfs_htonl( num_hd_sector );
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// choose minimum wblk_sz that fits this partition size
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for (sz_s = 6; sz_s < 11; sz_s++)
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{
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// ensure that wbfs_sec_sz is big enough to address every blocks using 16 bits
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if (p->n_wii_sec < ((1U << 16) * (1 << sz_s))) break;
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}
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head->wbfs_sec_sz_s = sz_s + p->wii_sec_sz_s;
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}
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else read_hdsector(callback_data, p->part_lba, 1, head);
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if (head->magic != wbfs_htonl( WBFS_MAGIC ))
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ERROR( "bad magic" );
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if (!force_mode && hd_sector_size && head->hd_sec_sz_s != size_to_shift(hd_sector_size))
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ERROR( "hd sector size doesn't match" );
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if (!force_mode && num_hd_sector && head->n_hd_sec != (u32) wbfs_htonl( num_hd_sector ))
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ERROR( "hd num sector doesn't match" );
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p->hd_sec_sz = 1 << head->hd_sec_sz_s;
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p->hd_sec_sz_s = head->hd_sec_sz_s;
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p->n_hd_sec = wbfs_ntohl( head->n_hd_sec );
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p->n_wii_sec = (p->n_hd_sec / p->wii_sec_sz) * (p->hd_sec_sz);
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p->wbfs_sec_sz_s = head->wbfs_sec_sz_s;
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p->wbfs_sec_sz = 1 << p->wbfs_sec_sz_s;
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p->n_wbfs_sec = p->n_wii_sec >> (p->wbfs_sec_sz_s - p->wii_sec_sz_s);
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p->n_wbfs_sec_per_disc = p->n_wii_sec_per_disc >> (p->wbfs_sec_sz_s - p->wii_sec_sz_s);
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p->disc_info_sz = ALIGN_LBA( sizeof( wbfs_disc_info_t ) + p->n_wbfs_sec_per_disc * 2 );
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//printf("hd_sector_size %X wii_sector size %X wbfs sector_size %X\n",p->hd_sec_sz,p->wii_sec_sz,p->wbfs_sec_sz);
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p->read_hdsector = read_hdsector;
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p->write_hdsector = write_hdsector;
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p->callback_data = callback_data;
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p->freeblks_lba = (p->wbfs_sec_sz - p->n_wbfs_sec / 8) >> p->hd_sec_sz_s;
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if (!reset)
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p->freeblks = 0; // will alloc and read only if needed
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else
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{
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// init with all free blocks
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p->freeblks = wbfs_ioalloc( ALIGN_LBA( p->n_wbfs_sec / 8 ) );
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wbfs_memset( p->freeblks, 0xff, p->n_wbfs_sec / 8 );
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}
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p->max_disc = (p->freeblks_lba - 1) / (p->disc_info_sz >> p->hd_sec_sz_s);
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if (p->max_disc > p->hd_sec_sz - sizeof(wbfs_head_t)) p->max_disc = p->hd_sec_sz - sizeof(wbfs_head_t);
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p->tmp_buffer = wbfs_ioalloc( p->hd_sec_sz );
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p->n_disc_open = 0;
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return p;
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error: wbfs_free( p );
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wbfs_iofree( head );
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return 0;
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}
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void wbfs_sync(wbfs_t*p)
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{
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// copy back descriptors
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if (p->write_hdsector)
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{
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p->write_hdsector(p->callback_data, p->part_lba + 0, 1, p->head);
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if (p->freeblks) p->write_hdsector(p->callback_data, p->part_lba + p->freeblks_lba,
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ALIGN_LBA( p->n_wbfs_sec / 8 ) >> p->hd_sec_sz_s, p->freeblks);
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}
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}
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void wbfs_close(wbfs_t*p)
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{
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wbfs_sync(p);
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if (p->n_disc_open)
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ERROR( "trying to close wbfs while discs still open" );
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wbfs_iofree( p->head );
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wbfs_iofree( p->tmp_buffer );
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if (p->freeblks) wbfs_iofree( p->freeblks );
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wbfs_free( p );
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error: return;
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}
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wbfs_disc_t *wbfs_open_disc(wbfs_t* p, u8 *discid)
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{
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u32 i;
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int disc_info_sz_lba = p->disc_info_sz >> p->hd_sec_sz_s;
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wbfs_disc_t *d = 0;
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for (i = 0; i < p->max_disc; i++)
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{
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if (p->head->disc_table[i])
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{
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p->read_hdsector(p->callback_data, p->part_lba + 1 + i * disc_info_sz_lba, 1, p->tmp_buffer);
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if (wbfs_memcmp( discid, p->tmp_buffer, 6 ) == 0)
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{
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d = wbfs_malloc( sizeof( *d ) );
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if (!d)
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ERROR( "allocating memory" );
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d->p = p;
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d->i = i;
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d->header = wbfs_ioalloc( p->disc_info_sz );
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if (!d->header)
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ERROR( "allocating memory" );
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p->read_hdsector(p->callback_data, p->part_lba + 1 + i * disc_info_sz_lba, disc_info_sz_lba, d->header);
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p->n_disc_open++;
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// for(i=0;i<p->n_wbfs_sec_per_disc;i++)
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// printf("%d,",wbfs_ntohs(d->header->wlba_table[i]));
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return d;
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}
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}
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}
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return 0;
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error: if (d) wbfs_iofree( d );
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return 0;
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}
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void wbfs_close_disc(wbfs_disc_t*d)
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{
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d->p->n_disc_open--;
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wbfs_iofree( d->header );
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wbfs_free( d );
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}
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// offset is pointing 32bit words to address the whole dvd, although len is in bytes
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int wbfs_disc_read(wbfs_disc_t*d, u32 offset, u32 len, u8 *data)
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{
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if (d->p == &wbfs_iso_file)
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{
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return wbfs_iso_file_read(d, offset, data, len);
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}
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wbfs_t *p = d->p;
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u16 wlba = offset >> (p->wbfs_sec_sz_s - 2);
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u32 iwlba_shift = p->wbfs_sec_sz_s - p->hd_sec_sz_s;
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u32 lba_mask = (p->wbfs_sec_sz - 1) >> (p->hd_sec_sz_s);
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u32 lba = (offset >> (p->hd_sec_sz_s - 2)) & lba_mask;
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u32 off = offset & ((p->hd_sec_sz >> 2) - 1);
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u16 iwlba = wbfs_ntohs( d->header->wlba_table[wlba] );
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u32 len_copied;
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int err = 0;
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u8 *ptr = data;
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if (unlikely( iwlba == 0 )) return 1;
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if (unlikely( off ))
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{
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off *= 4;
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err = p->read_hdsector(p->callback_data, p->part_lba + (iwlba << iwlba_shift) + lba, 1, p->tmp_buffer);
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if (err) return err;
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len_copied = p->hd_sec_sz - off;
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if (likely( len < len_copied )) len_copied = len;
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wbfs_memcpy( ptr, p->tmp_buffer + off, len_copied );
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len -= len_copied;
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ptr += len_copied;
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lba++;
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if (unlikely( lba > lba_mask && len ))
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{
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lba = 0;
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iwlba = wbfs_ntohs( d->header->wlba_table[++wlba] );
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if (unlikely( iwlba == 0 )) return 1;
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}
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}
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while (likely( len >= p->hd_sec_sz ))
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{
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u32 nlb = len >> (p->hd_sec_sz_s);
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if (unlikely( lba + nlb > p->wbfs_sec_sz )) // dont cross wbfs sectors..
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nlb = p->wbfs_sec_sz - lba;
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err = p->read_hdsector(p->callback_data, p->part_lba + (iwlba << iwlba_shift) + lba, nlb, ptr);
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if (err) return err;
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len -= nlb << p->hd_sec_sz_s;
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ptr += nlb << p->hd_sec_sz_s;
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lba += nlb;
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if (unlikely( lba > lba_mask && len ))
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{
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lba = 0;
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iwlba = wbfs_ntohs( d->header->wlba_table[++wlba] );
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if (unlikely( iwlba == 0 )) return 1;
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}
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}
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if (unlikely( len ))
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{
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err = p->read_hdsector(p->callback_data, p->part_lba + (iwlba << iwlba_shift) + lba, 1, p->tmp_buffer);
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if (err) return err;
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wbfs_memcpy( ptr, p->tmp_buffer, len );
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}
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return 0;
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}
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// disc listing
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u32 wbfs_count_discs(wbfs_t*p)
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{
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u32 i, count = 0;
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for (i = 0; i < p->max_disc; i++)
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if (p->head->disc_table[i]) count++;
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return count;
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}
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u32 wbfs_sector_used(wbfs_t *p, wbfs_disc_info_t *di)
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{
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u32 tot_blk = 0, j;
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for (j = 0; j < p->n_wbfs_sec_per_disc; j++)
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if (wbfs_ntohs( di->wlba_table[j] )) tot_blk++;
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return tot_blk;
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}
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u32 wbfs_get_disc_info(wbfs_t*p, u32 index, u8 *header, int header_size, u32 *size)//size in 32 bit
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{
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u32 i, count = 0;
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if (!p) return 1;
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int disc_info_sz_lba = p->disc_info_sz >> p->hd_sec_sz_s;
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for (i = 0; i < p->max_disc; i++)
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if (p->head->disc_table[i])
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{
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if (count++ == index)
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{
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p->read_hdsector(p->callback_data, p->part_lba + 1 + i * disc_info_sz_lba, 1, p->tmp_buffer);
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if (header_size > (int) p->hd_sec_sz) header_size = p->hd_sec_sz;
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u32 magic = wbfs_ntohl( *( u32* )( p->tmp_buffer + 24 ) );
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if (magic != 0x5D1C9EA3)
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{
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p->head->disc_table[i] = 0;
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return 1;
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}
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memcpy(header, p->tmp_buffer, header_size);
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if (size)
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{
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u8 *header = wbfs_ioalloc( p->disc_info_sz );
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p->read_hdsector(p->callback_data, p->part_lba + 1 + i * disc_info_sz_lba, disc_info_sz_lba, header);
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u32 sec_used = wbfs_sector_used(p, (wbfs_disc_info_t *) header);
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wbfs_iofree( header );
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*size = sec_used << (p->wbfs_sec_sz_s - 2);
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}
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return 0;
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}
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}
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return 1;
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}
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static void load_freeblocks(wbfs_t*p)
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{
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if (p->freeblks) return;
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// XXX should handle malloc error..
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p->freeblks = wbfs_ioalloc( ALIGN_LBA( p->n_wbfs_sec / 8 ) );
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p->read_hdsector(p->callback_data, p->part_lba + p->freeblks_lba, ALIGN_LBA( p->n_wbfs_sec / 8 ) >> p->hd_sec_sz_s,
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p->freeblks);
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}
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u32 wbfs_count_usedblocks(wbfs_t*p)
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{
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u32 i, j, count = 0;
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load_freeblocks(p);
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for (i = 0; i < p->n_wbfs_sec / (8 * 4); i++)
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{
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u32 v = wbfs_ntohl( p->freeblks[i] );
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if (v == ~0U)
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count += 32;
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else if (v != 0) for (j = 0; j < 32; j++)
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if (v & (1U << j)) count++;
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}
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return count;
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}
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// write access
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//static
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int block_used(u8 *used, u32 i, u32 wblk_sz)
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{
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u32 k;
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i *= wblk_sz;
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for (k = 0; k < wblk_sz; k++)
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if (i + k < 143432 * 2 && used[i + k]) return 1;
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return 0;
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}
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static u32 alloc_block(wbfs_t*p)
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{
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u32 i, j;
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for (i = 0; i < p->n_wbfs_sec / (8 * 4); i++)
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{
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u32 v = wbfs_ntohl( p->freeblks[i] );
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if (v != 0)
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{
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for (j = 0; j < 32; j++)
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if (v & (1U << j))
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{
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p->freeblks[i] = wbfs_htonl( v & ~( 1 << j ) );
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return (i * 32) + j + 1;
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}
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}
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}
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return ~0;
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}
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static void free_block(wbfs_t *p, int bl)
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{
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int i = (bl - 1) / (32);
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int j = (bl - 1) & 31;
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u32 v = wbfs_ntohl( p->freeblks[i] );
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p->freeblks[i] = wbfs_htonl( v | 1 << j );
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}
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int install_abort_signal = 0;
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s32 wbfs_add_disc(wbfs_t*p, read_wiidisc_callback_t read_src_wii_disc, void *callback_data,
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progress_callback_t spinner, partition_selector_t sel, int copy_1_1)
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{
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int i, discn, ret;
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u32 tot, cur;
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u32 wii_sec_per_wbfs_sect = 1 << (p->wbfs_sec_sz_s - p->wii_sec_sz_s);
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wiidisc_t *d = 0;
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u8 *used = 0;
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wbfs_disc_info_t *info = 0;
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u8* copy_buffer = 0;
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int retval = -1;
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int num_wbfs_sect_to_copy;
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u32 last_used;
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used = wbfs_malloc( p->n_wii_sec_per_disc );
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if (!used)
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ERROR( "unable to alloc memory" );
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// copy_1_1 needs disk usage for layers detection
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//if(!copy_1_1)
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{
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d = wd_open_disc(read_src_wii_disc, callback_data);
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if (!d)
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ERROR( "unable to open wii disc" );
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wd_build_disc_usage(d, sel, used);
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wd_close_disc(d);
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d = 0;
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}
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for (i = 0; i < p->max_disc; i++)// find a free slot.
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if (p->head->disc_table[i] == 0) break;
|
|
if (i == p->max_disc)
|
|
ERROR( "no space left on device (table full)" );
|
|
p->head->disc_table[i] = 1;
|
|
discn = i;
|
|
load_freeblocks(p);
|
|
|
|
// build disc info
|
|
info = wbfs_ioalloc( p->disc_info_sz );
|
|
read_src_wii_disc(callback_data, 0, 0x100, info->disc_header_copy);
|
|
|
|
copy_buffer = wbfs_ioalloc( p->wii_sec_sz );
|
|
if (!copy_buffer)
|
|
ERROR( "alloc memory" );
|
|
tot = 0;
|
|
cur = 0;
|
|
num_wbfs_sect_to_copy = p->n_wbfs_sec_per_disc;
|
|
// count total number of sectors to write
|
|
last_used = 0;
|
|
for (i = 0; i < num_wbfs_sect_to_copy; i++)
|
|
{
|
|
if (block_used(used, i, wii_sec_per_wbfs_sect))
|
|
{
|
|
tot += wii_sec_per_wbfs_sect;
|
|
last_used = i;
|
|
}
|
|
}
|
|
if (copy_1_1)
|
|
{
|
|
// detect single or dual layer
|
|
if ((last_used + 1) > (p->n_wbfs_sec_per_disc / 2))
|
|
{
|
|
// dual layer
|
|
num_wbfs_sect_to_copy = p->n_wbfs_sec_per_disc;
|
|
}
|
|
else
|
|
{
|
|
// single layer
|
|
num_wbfs_sect_to_copy = p->n_wbfs_sec_per_disc / 2;
|
|
}
|
|
tot = num_wbfs_sect_to_copy * wii_sec_per_wbfs_sect;
|
|
}
|
|
|
|
install_abort_signal = 0;
|
|
/*
|
|
// num of hd sectors to copy could be specified directly
|
|
if (copy_1_1 > 1) {
|
|
u32 hd_sec_per_wii_sec = p->wii_sec_sz / p->hd_sec_sz;
|
|
num_wbfs_sect_to_copy = copy_1_1 / hd_sec_per_wii_sec / wii_sec_per_wbfs_sect;
|
|
tot = num_wbfs_sect_to_copy * wii_sec_per_wbfs_sect;
|
|
}*/
|
|
if (spinner) spinner(0, tot);
|
|
for (i = 0; i < num_wbfs_sect_to_copy; i++)
|
|
{
|
|
u16 bl = 0;
|
|
if (copy_1_1 || block_used(used, i, wii_sec_per_wbfs_sect))
|
|
{
|
|
u16 j;
|
|
|
|
bl = alloc_block(p);
|
|
if (bl == 0xffff)
|
|
ERROR( "no space left on device (disc full)" );
|
|
for (j = 0; j < wii_sec_per_wbfs_sect; j++)
|
|
{
|
|
u32 offset = (i * (p->wbfs_sec_sz >> 2)) + (j * (p->wii_sec_sz >> 2));
|
|
|
|
ret = read_src_wii_disc(callback_data, offset, p->wii_sec_sz, copy_buffer);
|
|
if (ret)
|
|
{
|
|
if (copy_1_1 && i > p->n_wbfs_sec_per_disc / 2)
|
|
{
|
|
// end of dual layer data
|
|
if (j > 0)
|
|
{
|
|
info->wlba_table[i] = wbfs_htons( bl );
|
|
}
|
|
spinner(tot, tot);
|
|
break;
|
|
}
|
|
//ERROR("read error");
|
|
printf("\rWARNING: read (%u) error (%d)\n", (unsigned int)offset, ret);
|
|
}
|
|
|
|
//fix the partition table
|
|
if (offset == (0x40000 >> 2)) wd_fix_partition_table(d, sel, copy_buffer);
|
|
p->write_hdsector(p->callback_data, p->part_lba + bl * (p->wbfs_sec_sz / p->hd_sec_sz) + j
|
|
* (p->wii_sec_sz / p->hd_sec_sz), p->wii_sec_sz / p->hd_sec_sz, copy_buffer);
|
|
cur++;
|
|
if (spinner) spinner(cur, tot);
|
|
}
|
|
}
|
|
if (install_abort_signal)
|
|
break;
|
|
info->wlba_table[i] = wbfs_htons( bl );
|
|
}
|
|
|
|
if(install_abort_signal)
|
|
{
|
|
int n;
|
|
for(n = 0; n < i; n++)
|
|
{
|
|
u32 iwlba = wbfs_ntohs(info->wlba_table[n]);
|
|
if (iwlba)
|
|
free_block(p,iwlba);
|
|
}
|
|
wbfs_memset(info,0,p->disc_info_sz);
|
|
p->head->disc_table[discn] = 0;
|
|
}
|
|
// write disc info
|
|
int disc_info_sz_lba = p->disc_info_sz >> p->hd_sec_sz_s;
|
|
p->write_hdsector(p->callback_data, p->part_lba + 1 + discn * disc_info_sz_lba, disc_info_sz_lba, info);
|
|
wbfs_sync(p);
|
|
retval = 0;
|
|
error: if (d) wd_close_disc(d);
|
|
if (used) wbfs_free( used );
|
|
if (info) wbfs_iofree( info );
|
|
if (copy_buffer) wbfs_iofree( copy_buffer );
|
|
// init with all free blocks
|
|
|
|
return retval;
|
|
}
|
|
|
|
u32 wbfs_rm_disc(wbfs_t*p, u8* discid)
|
|
{
|
|
wbfs_disc_t *d = wbfs_open_disc(p, discid);
|
|
int i;
|
|
int discn = 0;
|
|
int disc_info_sz_lba = p->disc_info_sz >> p->hd_sec_sz_s;
|
|
if (!d) return 1;
|
|
load_freeblocks(p);
|
|
discn = d->i;
|
|
for (i = 0; i < p->n_wbfs_sec_per_disc; i++)
|
|
{
|
|
u32 iwlba = wbfs_ntohs( d->header->wlba_table[i] );
|
|
if (iwlba) free_block(p, iwlba);
|
|
}
|
|
memset(d->header, 0, p->disc_info_sz);
|
|
p->write_hdsector(p->callback_data, p->part_lba + 1 + discn * disc_info_sz_lba, disc_info_sz_lba, d->header);
|
|
p->head->disc_table[discn] = 0;
|
|
wbfs_close_disc(d);
|
|
wbfs_sync(p);
|
|
return 0;
|
|
}
|
|
|
|
u32 wbfs_ren_disc(wbfs_t*p, u8* discid, u8* newname)
|
|
{
|
|
wbfs_disc_t *d = wbfs_open_disc(p, discid);
|
|
int disc_info_sz_lba = p->disc_info_sz >> p->hd_sec_sz_s;
|
|
|
|
if (!d) return 1;
|
|
|
|
memset(d->header->disc_header_copy + 0x20, 0, 0x40);
|
|
strncpy((char *) d->header->disc_header_copy + 0x20, (char *) newname, 0x39);
|
|
|
|
p->write_hdsector(p->callback_data, p->part_lba + 1 + d->i * disc_info_sz_lba, disc_info_sz_lba, d->header);
|
|
wbfs_close_disc(d);
|
|
return 0;
|
|
}
|
|
|
|
u32 wbfs_rID_disc(wbfs_t*p, u8* discid, u8* newID)
|
|
{
|
|
wbfs_disc_t *d = wbfs_open_disc(p, discid);
|
|
int disc_info_sz_lba = p->disc_info_sz >> p->hd_sec_sz_s;
|
|
|
|
if (!d) return 1;
|
|
|
|
memset(d->header->disc_header_copy, 0, 0x10);
|
|
strncpy((char *) d->header->disc_header_copy, (char *) newID, 0x9);
|
|
|
|
p->write_hdsector(p->callback_data, p->part_lba + 1 + d->i * disc_info_sz_lba, disc_info_sz_lba, d->header);
|
|
wbfs_close_disc(d);
|
|
return 0;
|
|
}
|
|
|
|
// trim the file-system to its minimum size
|
|
u32 wbfs_trim(wbfs_t*p)
|
|
{
|
|
u32 maxbl;
|
|
load_freeblocks(p);
|
|
maxbl = alloc_block(p);
|
|
p->n_hd_sec = maxbl << (p->wbfs_sec_sz_s - p->hd_sec_sz_s);
|
|
p->head->n_hd_sec = wbfs_htonl( p->n_hd_sec );
|
|
// make all block full
|
|
memset(p->freeblks, 0, p->n_wbfs_sec / 8);
|
|
wbfs_sync(p);
|
|
// os layer will truncate the file.
|
|
return maxbl;
|
|
}
|
|
|
|
// data extraction
|
|
u32 wbfs_extract_disc(wbfs_disc_t*d, rw_sector_callback_t write_dst_wii_sector, void *callback_data,
|
|
progress_callback_t spinner)
|
|
{
|
|
wbfs_t *p = d->p;
|
|
u8* copy_buffer = 0;
|
|
int i;
|
|
int src_wbs_nlb = p->wbfs_sec_sz / p->hd_sec_sz;
|
|
int dst_wbs_nlb = p->wbfs_sec_sz / p->wii_sec_sz;
|
|
copy_buffer = wbfs_ioalloc( p->wbfs_sec_sz );
|
|
if (!copy_buffer)
|
|
{
|
|
wbfs_error( "alloc memory" );
|
|
return 1;
|
|
}
|
|
|
|
for (i = 0; i < p->n_wbfs_sec_per_disc; i++)
|
|
{
|
|
u32 iwlba = wbfs_ntohs( d->header->wlba_table[i] );
|
|
if (iwlba)
|
|
{
|
|
|
|
if (spinner) spinner(i, p->n_wbfs_sec_per_disc);
|
|
p->read_hdsector(p->callback_data, p->part_lba + iwlba * src_wbs_nlb, src_wbs_nlb, copy_buffer);
|
|
write_dst_wii_sector(callback_data, i * dst_wbs_nlb, dst_wbs_nlb, copy_buffer);
|
|
}
|
|
}
|
|
wbfs_iofree( copy_buffer );
|
|
return 0;
|
|
}
|
|
|
|
u64 wbfs_estimate_disc(wbfs_t *p, read_wiidisc_callback_t read_src_wii_disc, void *callback_data, partition_selector_t sel)
|
|
{
|
|
int i;
|
|
u32 tot;
|
|
u32 wii_sec_per_wbfs_sect = 1 << (p->wbfs_sec_sz_s - p->wii_sec_sz_s);
|
|
wiidisc_t *d = 0;
|
|
u8 *used = 0;
|
|
wbfs_disc_info_t *info = 0;
|
|
|
|
tot = 0;
|
|
|
|
used = wbfs_malloc( p->n_wii_sec_per_disc );
|
|
if (!used)
|
|
{
|
|
ERROR( "unable to alloc memory" );
|
|
}
|
|
|
|
d = wd_open_disc(read_src_wii_disc, callback_data);
|
|
if (!d)
|
|
{
|
|
ERROR( "unable to open wii disc" );
|
|
}
|
|
|
|
wd_build_disc_usage(d, sel, used);
|
|
wd_close_disc(d);
|
|
d = 0;
|
|
|
|
info = wbfs_ioalloc( p->disc_info_sz );
|
|
read_src_wii_disc(callback_data, 0, 0x100, info->disc_header_copy);
|
|
|
|
for (i = 0; i < p->n_wbfs_sec_per_disc; i++)
|
|
{
|
|
if (block_used(used, i, wii_sec_per_wbfs_sect))
|
|
{
|
|
tot++;
|
|
}
|
|
}
|
|
|
|
error:
|
|
if (d) wd_close_disc(d);
|
|
if (used) wbfs_free( used );
|
|
if (info) wbfs_iofree( info );
|
|
|
|
return (u64) tot * (u64) p->wbfs_sec_sz;
|
|
}
|
|
|
|
u32 wbfs_size_disc(wbfs_t*p, read_wiidisc_callback_t read_src_wii_disc, void *callback_data, partition_selector_t sel,
|
|
u32 *comp_size, u32 *real_size)
|
|
{
|
|
int i;
|
|
u32 tot = 0, last = 0;
|
|
u32 wii_sec_per_wbfs_sect = 1 << (p->wbfs_sec_sz_s - p->wii_sec_sz_s);
|
|
wiidisc_t *d = 0;
|
|
u8 *used = 0;
|
|
used = wbfs_malloc( p->n_wii_sec_per_disc );
|
|
if (!used)
|
|
ERROR( "unable to alloc memory" );
|
|
d = wd_open_disc(read_src_wii_disc, callback_data);
|
|
if (!d)
|
|
ERROR( "unable to open wii disc" );
|
|
wd_build_disc_usage(d, sel, used);
|
|
wd_close_disc(d);
|
|
d = 0;
|
|
|
|
// count total number to write for spinner
|
|
for (i = 0; i < p->n_wbfs_sec_per_disc; i++)
|
|
{
|
|
if (block_used(used, i, wii_sec_per_wbfs_sect))
|
|
{
|
|
tot += wii_sec_per_wbfs_sect;
|
|
last = i * wii_sec_per_wbfs_sect;
|
|
}
|
|
}
|
|
|
|
error: if (d) wd_close_disc(d);
|
|
if (used) wbfs_free( used );
|
|
|
|
*comp_size = tot;
|
|
*real_size = last;
|
|
|
|
return 0;
|
|
}
|
|
|
|
// offset is pointing 32bit words to address the whole dvd, although len is in bytes
|
|
//int wbfs_disc_read(wbfs_disc_t*d,u32 offset, u8 *data, u32 len)
|
|
|
|
// offset points 32bit words, count counts bytes
|
|
//int (*read_wiidisc_callback_t)(void*fp,u32 offset,u32 count,void*iobuf);
|
|
|
|
// connect wiidisc to wbfs_disc
|
|
s32 read_wiidisc_wbfsdisc(void*fp, u32 offset, u32 count, void*iobuf)
|
|
{
|
|
return wbfs_disc_read((wbfs_disc_t*) fp, offset, count, iobuf);
|
|
}
|
|
|
|
int wbfs_extract_file(wbfs_disc_t*d, char *path, void **data)
|
|
{
|
|
wiidisc_t *wd = 0;
|
|
int ret = 0;
|
|
|
|
wd = wd_open_disc(read_wiidisc_wbfsdisc, d);
|
|
if (!wd)
|
|
{
|
|
wbfs_error( "opening wbfs disc" );
|
|
return -1;
|
|
}
|
|
wd->extracted_size = 0;
|
|
*data = wd_extract_file(wd, ONLY_GAME_PARTITION, path);
|
|
ret = wd->extracted_size;
|
|
if (!*data)
|
|
{
|
|
//ERROR("file not found");
|
|
ret = -1;
|
|
}
|
|
wd_close_disc(wd);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wbfs_get_fragments(wbfs_disc_t *d, _frag_append_t append_fragment, void *callback_data, u32 hdd_sector_size)
|
|
{
|
|
if (!d) return -1;
|
|
|
|
wbfs_t *p = d->p;
|
|
int src_wbs_nlb = p->wbfs_sec_sz / hdd_sector_size;
|
|
int i, ret, last = 0;
|
|
for (i = 0; i < p->n_wbfs_sec_per_disc; i++)
|
|
{
|
|
u32 iwlba = wbfs_ntohs( d->header->wlba_table[i] );
|
|
if (iwlba)
|
|
{
|
|
ret = append_fragment(callback_data, i * src_wbs_nlb, // offset
|
|
p->part_lba + iwlba * src_wbs_nlb, // sector
|
|
src_wbs_nlb); // count
|
|
if (ret) return ret; // error
|
|
last = i;
|
|
}
|
|
}
|
|
if (last < p->n_wbfs_sec_per_disc / 2)
|
|
{
|
|
last = p->n_wbfs_sec_per_disc / 2;
|
|
}
|
|
u32 size = last * src_wbs_nlb;
|
|
append_fragment(callback_data, size, 0, 0); // set size
|
|
return 0;
|
|
}
|
|
|
|
// wrapper for reading .iso files using wbfs apis
|
|
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
|
|
// offset is pointing 32bit words to address the whole dvd, although len is in bytes
|
|
int wbfs_iso_file_read(wbfs_disc_t*d, u32 offset, u8 *data, u32 len)
|
|
{
|
|
if (!d || d->p != &wbfs_iso_file) return -1;
|
|
int fd = d->i;
|
|
off_t off = ((u64) offset) << 2;
|
|
off_t ret_off;
|
|
int ret;
|
|
ret_off = lseek(fd, off, SEEK_SET);
|
|
if (ret_off != off) return -1;
|
|
ret = read(fd, data, len);
|
|
if (ret != (int) len) return -2;
|
|
return 0;
|
|
}
|
|
|
|
u32 wbfs_disc_sector_used(wbfs_disc_t *d)
|
|
{
|
|
if(!d) return 0;
|
|
|
|
if (d->p == &wbfs_iso_file)
|
|
{
|
|
int fd = d->i;
|
|
struct stat st;
|
|
if (fstat(fd, &st) == -1) return 0;
|
|
return (st.st_size >> 9);
|
|
}
|
|
|
|
return wbfs_sector_used(d->p, d->header);
|
|
}
|
|
|