mirror of
https://github.com/d0k3/GodMode9.git
synced 2025-06-26 13:42:47 +00:00
104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
#include "tie.h"
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#include "cmd.h"
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#define CMD_SIZE_ALIGN(sd) (sd ? 0x8000 : 0x4000)
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u32 BuildTitleInfoEntryTmd(TitleInfoEntry* tie, TitleMetaData* tmd, bool sd) {
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u64 title_id = getbe64(tmd->title_id);
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bool has_idx1 = false;
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bool has_idx2 = false;
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// set basic values
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memset(tie, 0x00, sizeof(TitleInfoEntry));
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tie->title_type = 0x40;
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// title version, product code, cmd id
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tie->title_version = getbe16(tmd->title_version);
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tie->cmd_content_id = 0x01;
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memcpy(tie->unknown, "GM9", 4); // GM9 install magic number
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// calculate base title size
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// align size: 0x4000 for TWL and CTRNAND, 0x8000 for SD
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u32 align_size = CMD_SIZE_ALIGN(sd);
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u32 content_count = getbe16(tmd->content_count);
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TmdContentChunk* chunk = (TmdContentChunk*) (tmd + 1);
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tie->title_size =
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(align_size * 3) + // base folder + 'content' + 'cmd'
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align(TMD_SIZE_N(content_count), align_size) + // TMD
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align_size; // CMD, placeholder (!!!)
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for (u32 i = 0; (i < content_count) && (i < TMD_MAX_CONTENTS); i++, chunk++) {
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if (getbe16(chunk->index) == 1) has_idx1 = true; // will be useful later
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else if (getbe16(chunk->index) == 2) has_idx2 = true; // will be useful later
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tie->title_size += align(getbe64(chunk->size), align_size);
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}
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// manual? dlp? (we need to properly check this later)
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if (((title_id >> 32) == 0x00040000) || ((title_id >> 32) == 0x00040010)) {
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if (has_idx1) tie->flags_0[0] = 0x1; // this may have a manual
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if (has_idx2) tie->title_version |= (0xFFFF << 16); // this may have dlp
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}
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return 0;
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}
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u32 BuildTitleInfoEntryTwl(TitleInfoEntry* tie, TitleMetaData* tmd, TwlHeader* twl) {
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u64 title_id = getbe64(tmd->title_id);
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// build the basic titledb entry
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if (BuildTitleInfoEntryTmd(tie, tmd, false) != 0) return 1;
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// proper handling of system data archives - thanks @aspargas!
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// see: http://3dbrew.org/wiki/Title_list#0004800F_-_System_Data_Archives
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if ((title_id >> 32) != 0x0004800F) {
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if (ValidateTwlHeader(twl) != 0) return 1;
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memcpy(tie->product_code, twl->game_title, 12);
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}
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// specific flags for DSiWare ports
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// see: http://3dbrew.org/wiki/Titles
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// see: http://3dbrew.org/wiki/Title_list#00048004_-_DSiWare_Ports
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if ((title_id >> 32) == 0x00048004) { // TWL app / game
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tie->flags_2[0] = 0x01;
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tie->flags_2[4] = 0x01;
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tie->flags_2[5] = 0x01;
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}
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return 0;
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}
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u32 BuildTitleInfoEntryNcch(TitleInfoEntry* tie, TitleMetaData* tmd, NcchHeader* ncch, NcchExtHeader* exthdr, bool sd) {
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u64 title_id = getbe64(tmd->title_id);
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if (ValidateNcchHeader(ncch) != 0) return 1;
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if (BuildTitleInfoEntryTmd(tie, tmd, sd) != 0) return 1;
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// product code, extended title version
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memcpy(tie->product_code, ncch->productcode, 0x10);
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tie->title_version &= ((ncch->version << 16) | 0xFFFF);
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// specific flags
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// see: http://3dbrew.org/wiki/Titles
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if (!((title_id >> 32) & 0x10)) // not a system title
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tie->flags_2[4] = 0x01;
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// stuff from extheader
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if (exthdr) {
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// add save data size to title size
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if (exthdr->savedata_size) {
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u32 align_size = CMD_SIZE_ALIGN(sd);
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tie->title_size +=
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align_size + // 'data' folder
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align(exthdr->savedata_size, align_size); // savegame
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tie->flags_1[0] = 0x01; // has SD save
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};
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// extdata ID low (hacky, we navigate to storage info)
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tie->extdata_id_low = getle32(exthdr->aci_data + (0x30 - 0x0C));
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} else {
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tie->flags_0[0] = 0x00; // no manual
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tie->title_version &= 0xFFFF; // no dlp
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}
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return 0;
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}
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