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https://github.com/CTCaer/hekate.git
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4160037c81
Using the key `emupath` on a boot entry will load the selected emuMMC. This can also be forced by using the correct boot cfg storage bit and writing the path at the emummc path offset. Check readme for these. This can only be used if the emuMMC was created via Nyx. because of the raw_based and file_based files that have emuMMC info. (emupath=emuMMC/RAW1, emupath=emuMMC/SD00, etc)
298 lines
6.9 KiB
C
298 lines
6.9 KiB
C
/*
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* Copyright (c) 2019 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "emummc.h"
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#include "sdmmc.h"
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#include "../config/config.h"
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#include "../config/ini.h"
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#include "../gfx/gfx.h"
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#include "../libs/fatfs/ff.h"
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#include "../mem/heap.h"
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#include "../utils/list.h"
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#include "../utils/types.h"
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extern sdmmc_t sd_sdmmc;
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extern sdmmc_storage_t sd_storage;
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extern FATFS sd_fs;
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extern hekate_config h_cfg;
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extern bool sd_mount();
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extern void sd_unmount();
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void emummc_load_cfg()
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{
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emu_cfg.enabled = 0;
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emu_cfg.path = NULL;
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emu_cfg.nintendo_path = NULL;
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emu_cfg.sector = 0;
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emu_cfg.id = 0;
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emu_cfg.file_based_part_size = 0;
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emu_cfg.active_part = 0;
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emu_cfg.fs_ver = 0;
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if (!emu_cfg.emummc_file_based_path)
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emu_cfg.emummc_file_based_path = (char *)malloc(0x80);
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LIST_INIT(ini_sections);
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if (ini_parse(&ini_sections, "emuMMC/emummc.ini", false))
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{
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LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
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{
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if (ini_sec->type == INI_CHOICE)
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{
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if (strcmp(ini_sec->name, "emummc"))
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continue;
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LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
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{
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if (!strcmp("enabled", kv->key))
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emu_cfg.enabled = atoi(kv->val);
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else if (!strcmp("sector", kv->key))
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emu_cfg.sector = strtol(kv->val, NULL, 16);
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else if (!strcmp("id", kv->key))
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emu_cfg.id = strtol(kv->val, NULL, 16);
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else if (!strcmp("path", kv->key))
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emu_cfg.path = kv->val;
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else if (!strcmp("nintendo_path", kv->key))
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emu_cfg.nintendo_path = kv->val;
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}
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break;
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}
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}
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}
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}
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void emummc_set_path(char *path)
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{
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FIL fp;
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bool found = false;
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strcpy(emu_cfg.emummc_file_based_path, path);
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strcat(emu_cfg.emummc_file_based_path, "/raw_based");
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if (!f_open(&fp, emu_cfg.emummc_file_based_path, FA_READ))
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{
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if (!f_read(&fp, &emu_cfg.sector, 4, NULL))
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if (emu_cfg.sector)
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found = true;
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}
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else
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{
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strcpy(emu_cfg.emummc_file_based_path, path);
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strcat(emu_cfg.emummc_file_based_path, "/file_based");
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if (!f_stat(emu_cfg.emummc_file_based_path, NULL))
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{
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emu_cfg.sector = 0;
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emu_cfg.path = path;
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found = true;
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}
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}
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if (found)
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{
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emu_cfg.enabled = 1;
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emu_cfg.id = 0;
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strcpy(emu_cfg.nintendo_path, path);
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strcpy(emu_cfg.nintendo_path, "/Nintendo");
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}
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}
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static int emummc_raw_get_part_off(int part_idx)
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{
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switch (part_idx)
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{
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case 0:
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return 2;
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case 1:
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return 0;
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case 2:
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return 1;
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}
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return 2;
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}
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int emummc_storage_init_mmc(sdmmc_storage_t *storage, sdmmc_t *sdmmc)
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{
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FILINFO fno;
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if (!sdmmc_storage_init_mmc(storage, sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4))
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return 2;
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if (h_cfg.emummc_force_disable)
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return 0;
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emu_cfg.active_part = 0;
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if (!sd_mount())
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goto out;
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if (emu_cfg.enabled && !emu_cfg.sector)
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{
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strcpy(emu_cfg.emummc_file_based_path, emu_cfg.path);
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strcat(emu_cfg.emummc_file_based_path, "/eMMC");
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if (f_stat(emu_cfg.emummc_file_based_path, &fno))
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{
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EPRINTF("Failed to open eMMC folder.");
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goto out;
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}
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f_chmod(emu_cfg.emummc_file_based_path, AM_ARC, AM_ARC);
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strcat(emu_cfg.emummc_file_based_path, "/00");
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if (f_stat(emu_cfg.emummc_file_based_path, &fno))
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{
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EPRINTF("Failed to open emuMMC rawnand.");
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goto out;
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}
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emu_cfg.file_based_part_size = fno.fsize >> 9;
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}
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return 0;
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out:
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return 1;
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}
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int emummc_storage_end(sdmmc_storage_t *storage)
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{
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sd_unmount();
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sdmmc_storage_end(storage);
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return 1;
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}
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int emummc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
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{
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FIL fp;
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if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
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return sdmmc_storage_read(storage, sector, num_sectors, buf);
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else if (emu_cfg.sector)
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{
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sector += emu_cfg.sector;
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sector += emummc_raw_get_part_off(emu_cfg.active_part) * 0x2000;
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return sdmmc_storage_read(&sd_storage, sector, num_sectors, buf);
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}
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else
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{
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if (!emu_cfg.active_part)
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{
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u32 file_part = sector / emu_cfg.file_based_part_size;
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sector = sector % emu_cfg.file_based_part_size;
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if (file_part >= 10)
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itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 2, 10);
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else
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{
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emu_cfg.emummc_file_based_path[strlen(emu_cfg.emummc_file_based_path) - 2] = '0';
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itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 1, 10);
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}
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}
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if (f_open(&fp, emu_cfg.emummc_file_based_path, FA_READ))
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{
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EPRINTF("Failed to open emuMMC image.");
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return 0;
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}
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f_lseek(&fp, (u64)sector << 9);
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if (f_read(&fp, buf, (u64)num_sectors << 9, NULL))
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{
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EPRINTF("Failed to read emuMMC image.");
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f_close(&fp);
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return 0;
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}
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f_close(&fp);
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return 1;
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}
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return 1;
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}
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int emummc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
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{
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FIL fp;
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if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
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return sdmmc_storage_write(storage, sector, num_sectors, buf);
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else if (emu_cfg.sector)
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{
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sector += emu_cfg.sector;
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sector += emummc_raw_get_part_off(emu_cfg.active_part) * 0x2000;
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return sdmmc_storage_write(&sd_storage, sector, num_sectors, buf);
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}
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else
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{
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if (!emu_cfg.active_part)
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{
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u32 file_part = sector / emu_cfg.file_based_part_size;
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sector = sector % emu_cfg.file_based_part_size;
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if (file_part >= 10)
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itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 2, 10);
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else
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{
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emu_cfg.emummc_file_based_path[strlen(emu_cfg.emummc_file_based_path) - 2] = '0';
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itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 1, 10);
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}
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}
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if (f_open(&fp, emu_cfg.emummc_file_based_path, FA_WRITE))
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{
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gfx_printf("e5\n");
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return 0;
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}
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f_lseek(&fp, (u64)sector << 9);
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if (f_write(&fp, buf, (u64)num_sectors << 9, NULL))
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{
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gfx_printf("e6\n");
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f_close(&fp);
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return 0;
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}
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f_close(&fp);
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return 1;
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}
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}
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int emummc_storage_set_mmc_partition(sdmmc_storage_t *storage, u32 partition)
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{
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emu_cfg.active_part = partition;
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if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
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sdmmc_storage_set_mmc_partition(storage, partition);
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else if (emu_cfg.sector)
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return 1;
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else
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{
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strcpy(emu_cfg.emummc_file_based_path, emu_cfg.path);
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strcat(emu_cfg.emummc_file_based_path, "/eMMC");
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switch (partition)
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{
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case 0:
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strcat(emu_cfg.emummc_file_based_path, "/00");
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break;
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case 1:
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strcat(emu_cfg.emummc_file_based_path, "/BOOT0");
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break;
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case 2:
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strcat(emu_cfg.emummc_file_based_path, "/BOOT1");
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break;
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}
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return 1;
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}
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return 1;
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}
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