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//-------------------------------------------------------------- |
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//File name: hdl.c |
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//-------------------------------------------------------------- |
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#include <thbase.h> |
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#include <stdio.h> |
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#include <sysclib.h> |
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#include <cdvdman.h> |
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#include <iomanX.h> |
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#include <sysmem.h> |
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|
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#include "ps2_hdd.h" |
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#include "hdd.h" |
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#include "hdl.h" |
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#include "apa.h" |
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|
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//-------------------------------------------------------------- |
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void hdl_glist_free (hdl_games_list_t *glist) |
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{ |
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if (glist != NULL) |
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{ |
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FreeSysMemory (glist->games); |
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FreeSysMemory (glist); |
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} |
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} |
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//------------------------------ |
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//endfunc hdl_glist_free |
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//-------------------------------------------------------------- |
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static int hdl_ginfo_read (hio_t *hio, const ps2_partition_header_t *part, hdl_game_info_t *ginfo) |
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{ |
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u_long i, size; |
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/* data we're interested in starts @ 0x101000 and is header |
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* plus information for up to 65 partitions |
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* (1 main + 64 sub) by 12 bytes each */ |
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const u_long offset = 0x101000; |
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char buffer [1024]; |
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int result; |
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u_long bytes; |
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|
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result = hio->read(hio, get_u32 (&part->start) + offset / 512, 2, buffer, &bytes); |
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if (result == 0) |
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{ |
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if (bytes == 1024) |
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{ |
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/* calculate total size */ |
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size = get_u32 (&part->length); |
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for (i=0; i<get_u32 (&part->nsub); ++i) |
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size += get_u32 (&part->subs [i].length); |
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|
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memcpy (ginfo->partition_name, part->id, PS2_PART_IDMAX); |
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ginfo->partition_name [PS2_PART_IDMAX] = '\0'; |
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strcpy (ginfo->name, buffer + 8); |
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strcpy (ginfo->startup, buffer + 0xac); |
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ginfo->compat_flags = buffer [0xa8]; |
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ginfo->is_dvd = buffer [0xec] == 0x14; |
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ginfo->start_sector = get_u32 (&part->start); |
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ginfo->total_size_in_kb = size / 2; |
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} |
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else result = -1; |
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} |
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return (result); |
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} |
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//------------------------------ |
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//endfunc hdl_ginfo_read |
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//-------------------------------------------------------------- |
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int hdl_glist_read (hio_t *hio, hdl_games_list_t **glist) |
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{ |
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apa_partition_table_t *ptable; |
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int result; |
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|
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result = apa_ptable_read_ex (hio, &ptable); |
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if (result == 0){ |
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u_long i, count = 0; |
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void *tmp; |
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for (i=0; i<ptable->part_count; ++i) |
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count += (get_u16 (&ptable->parts [i].header.flags) == 0x00 && |
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get_u16 (&ptable->parts [i].header.type) == 0x1337); |
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|
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tmp = AllocSysMemory(0, (sizeof (hdl_game_info_t) * count), NULL); |
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if (tmp != NULL){ |
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memset (tmp, 0, sizeof (hdl_game_info_t) * count); |
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*glist = AllocSysMemory(0, sizeof (hdl_games_list_t), NULL); |
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if (*glist != NULL){ |
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u_long index = 0; |
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memset (*glist, 0, sizeof (hdl_games_list_t)); |
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(*glist)->count = count; |
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(*glist)->games = tmp; |
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(*glist)->total_chunks = ptable->total_chunks; |
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(*glist)->free_chunks = ptable->free_chunks; |
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for (i=0; result==0&&i<ptable->part_count; ++i){ |
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const ps2_partition_header_t *part = &ptable->parts [i].header; |
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if (get_u16 (&part->flags) == 0x00 && get_u16 (&part->type) == 0x1337) |
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result = hdl_ginfo_read (hio, part, (*glist)->games + index++); |
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} |
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if (result != 0) |
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FreeSysMemory(*glist); |
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} else |
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result = -2; |
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if (result != 0) |
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FreeSysMemory(tmp); |
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} else result = -2; |
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|
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apa_ptable_free (ptable); |
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} else { //apa_ptable_read_ex failed |
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} |
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return result; |
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} |
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//------------------------------ |
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//endfunc hdl_glist_read |
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//-------------------------------------------------------------- |
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static int hdl_ginfo_write (hio_t *hio, const ps2_partition_header_t *part, hdl_game_info_t *ginfo) |
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{ |
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const u_long offset = 0x101000; |
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char buffer [1024]; |
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int result; |
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u_long bytes; |
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|
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result = hio->read(hio, get_u32(&part->start) + offset / 512, 2, buffer, &bytes); |
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|
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memset(buffer + 8, 0, PS2_PART_NAMEMAX); |
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memcpy(buffer + 8, ginfo->name, PS2_PART_NAMEMAX); |
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|
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result = hio->write(hio, get_u32(&part->start) + offset / 512, 2, buffer, &bytes); |
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|
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return result; |
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} |
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//------------------------------ |
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//endfunc hdl_ginfo_write |
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//-------------------------------------------------------------- |
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int hdl_glist_write (hio_t *hio, hdl_game_info_t *ginfo) |
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{ |
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hdl_games_list_t *tmplist; |
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apa_partition_table_t *ptable; |
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int result; |
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|
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result = apa_ptable_read_ex (hio, &ptable); |
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if (result == 0) |
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{ |
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u_long i, count = 0; |
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void *tmp; |
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for (i=0; i<ptable->part_count; ++i) |
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count += (get_u16 (&ptable->parts [i].header.flags) == 0x00 && |
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get_u16 (&ptable->parts [i].header.type) == 0x1337); |
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|
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tmp = AllocSysMemory(0, (sizeof (hdl_game_info_t) * count), NULL); |
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if (tmp != NULL) |
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{ |
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memset (tmp, 0, sizeof (hdl_game_info_t) * count); |
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tmplist = AllocSysMemory(0, sizeof (hdl_games_list_t), NULL); |
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if (tmplist != NULL) |
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{ |
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u_long index = 0; |
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memset (tmplist, 0, sizeof (hdl_games_list_t)); |
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tmplist->count = count; |
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tmplist->games = tmp; |
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tmplist->total_chunks = ptable->total_chunks; |
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tmplist->free_chunks = ptable->free_chunks; |
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for (i=0; result==0&&i<ptable->part_count; ++i) |
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{ |
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const ps2_partition_header_t *part = &ptable->parts [i].header; |
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if (get_u16 (&part->flags) == 0x00 && get_u16 (&part->type) == 0x1337){ |
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result = hdl_ginfo_read(hio, part, tmplist->games + index++); |
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if(!strcmp(tmplist->games[index-1].partition_name, ginfo->partition_name)){ |
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result = hdl_ginfo_write(hio, part, ginfo); |
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break; |
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} |
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} |
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} |
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FreeSysMemory(tmplist); |
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} |
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else result = -2; |
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if (result != 0) FreeSysMemory(tmp); |
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} |
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else result = -2; |
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|
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apa_ptable_free (ptable); |
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} |
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return result; |
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} |
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//------------------------------ |
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//endfunc hdl_glist_write |
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//-------------------------------------------------------------- |
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//End of file: hdl.c |
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//-------------------------------------------------------------- |
