hekate/bootloader/storage/emummc.c
Dave Murphy cc54df87d7 fixes for compiling with gcc 10
gcc 10 no longer lets you get away with not externing global variables in header files. This adds the necessary extern and adds defines in appropriate c files
2020-05-08 23:32:44 +01:00

296 lines
6.8 KiB
C

/*
* Copyright (c) 2019 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <stdlib.h>
#include "emummc.h"
#include "sdmmc.h"
#include "../config/config.h"
#include "../config/ini.h"
#include "../gfx/gfx.h"
#include "../libs/fatfs/ff.h"
#include "../mem/heap.h"
#include "../storage/nx_sd.h"
#include "../utils/list.h"
#include "../utils/types.h"
extern hekate_config h_cfg;
emummc_cfg_t emu_cfg;
void emummc_load_cfg()
{
emu_cfg.enabled = 0;
emu_cfg.path = NULL;
emu_cfg.nintendo_path = NULL;
emu_cfg.sector = 0;
emu_cfg.id = 0;
emu_cfg.file_based_part_size = 0;
emu_cfg.active_part = 0;
emu_cfg.fs_ver = 0;
if (!emu_cfg.emummc_file_based_path)
emu_cfg.emummc_file_based_path = (char *)malloc(0x80);
LIST_INIT(ini_sections);
if (ini_parse(&ini_sections, "emuMMC/emummc.ini", false))
{
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
{
if (ini_sec->type == INI_CHOICE)
{
if (strcmp(ini_sec->name, "emummc"))
continue;
LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
{
if (!strcmp("enabled", kv->key))
emu_cfg.enabled = atoi(kv->val);
else if (!strcmp("sector", kv->key))
emu_cfg.sector = strtol(kv->val, NULL, 16);
else if (!strcmp("id", kv->key))
emu_cfg.id = strtol(kv->val, NULL, 16);
else if (!strcmp("path", kv->key))
emu_cfg.path = kv->val;
else if (!strcmp("nintendo_path", kv->key))
emu_cfg.nintendo_path = kv->val;
}
break;
}
}
}
}
bool emummc_set_path(char *path)
{
FIL fp;
bool found = false;
strcpy(emu_cfg.emummc_file_based_path, path);
strcat(emu_cfg.emummc_file_based_path, "/raw_based");
if (!f_open(&fp, emu_cfg.emummc_file_based_path, FA_READ))
{
if (!f_read(&fp, &emu_cfg.sector, 4, NULL))
if (emu_cfg.sector)
found = true;
}
else
{
strcpy(emu_cfg.emummc_file_based_path, path);
strcat(emu_cfg.emummc_file_based_path, "/file_based");
if (!f_stat(emu_cfg.emummc_file_based_path, NULL))
{
emu_cfg.sector = 0;
emu_cfg.path = path;
found = true;
}
}
if (found)
{
emu_cfg.enabled = 1;
emu_cfg.id = 0;
strcpy(emu_cfg.nintendo_path, path);
strcat(emu_cfg.nintendo_path, "/Nintendo");
}
return found;
}
static int emummc_raw_get_part_off(int part_idx)
{
switch (part_idx)
{
case 0:
return 2;
case 1:
return 0;
case 2:
return 1;
}
return 2;
}
int emummc_storage_init_mmc(sdmmc_storage_t *storage, sdmmc_t *sdmmc)
{
FILINFO fno;
if (!sdmmc_storage_init_mmc(storage, sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400))
return 2;
if (h_cfg.emummc_force_disable)
return 0;
emu_cfg.active_part = 0;
if (!sd_mount())
goto out;
if (emu_cfg.enabled && !emu_cfg.sector)
{
strcpy(emu_cfg.emummc_file_based_path, emu_cfg.path);
strcat(emu_cfg.emummc_file_based_path, "/eMMC");
if (f_stat(emu_cfg.emummc_file_based_path, &fno))
{
EPRINTF("Failed to open eMMC folder.");
goto out;
}
f_chmod(emu_cfg.emummc_file_based_path, AM_ARC, AM_ARC);
strcat(emu_cfg.emummc_file_based_path, "/00");
if (f_stat(emu_cfg.emummc_file_based_path, &fno))
{
EPRINTF("Failed to open emuMMC rawnand.");
goto out;
}
emu_cfg.file_based_part_size = fno.fsize >> 9;
}
return 0;
out:
return 1;
}
int emummc_storage_end(sdmmc_storage_t *storage)
{
sd_unmount();
sdmmc_storage_end(storage);
return 1;
}
int emummc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
{
FIL fp;
if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
return sdmmc_storage_read(storage, sector, num_sectors, buf);
else if (emu_cfg.sector)
{
sector += emu_cfg.sector;
sector += emummc_raw_get_part_off(emu_cfg.active_part) * 0x2000;
return sdmmc_storage_read(&sd_storage, sector, num_sectors, buf);
}
else
{
if (!emu_cfg.active_part)
{
u32 file_part = sector / emu_cfg.file_based_part_size;
sector = sector % emu_cfg.file_based_part_size;
if (file_part >= 10)
itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 2, 10);
else
{
emu_cfg.emummc_file_based_path[strlen(emu_cfg.emummc_file_based_path) - 2] = '0';
itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 1, 10);
}
}
if (f_open(&fp, emu_cfg.emummc_file_based_path, FA_READ))
{
EPRINTF("Failed to open emuMMC image.");
return 0;
}
f_lseek(&fp, (u64)sector << 9);
if (f_read(&fp, buf, (u64)num_sectors << 9, NULL))
{
EPRINTF("Failed to read emuMMC image.");
f_close(&fp);
return 0;
}
f_close(&fp);
return 1;
}
return 1;
}
int emummc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
{
FIL fp;
if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
return sdmmc_storage_write(storage, sector, num_sectors, buf);
else if (emu_cfg.sector)
{
sector += emu_cfg.sector;
sector += emummc_raw_get_part_off(emu_cfg.active_part) * 0x2000;
return sdmmc_storage_write(&sd_storage, sector, num_sectors, buf);
}
else
{
if (!emu_cfg.active_part)
{
u32 file_part = sector / emu_cfg.file_based_part_size;
sector = sector % emu_cfg.file_based_part_size;
if (file_part >= 10)
itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 2, 10);
else
{
emu_cfg.emummc_file_based_path[strlen(emu_cfg.emummc_file_based_path) - 2] = '0';
itoa(file_part, emu_cfg.emummc_file_based_path + strlen(emu_cfg.emummc_file_based_path) - 1, 10);
}
}
if (f_open(&fp, emu_cfg.emummc_file_based_path, FA_WRITE))
{
gfx_printf("e5\n");
return 0;
}
f_lseek(&fp, (u64)sector << 9);
if (f_write(&fp, buf, (u64)num_sectors << 9, NULL))
{
gfx_printf("e6\n");
f_close(&fp);
return 0;
}
f_close(&fp);
return 1;
}
}
int emummc_storage_set_mmc_partition(sdmmc_storage_t *storage, u32 partition)
{
emu_cfg.active_part = partition;
if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
sdmmc_storage_set_mmc_partition(storage, partition);
else if (emu_cfg.sector)
return 1;
else
{
strcpy(emu_cfg.emummc_file_based_path, emu_cfg.path);
strcat(emu_cfg.emummc_file_based_path, "/eMMC");
switch (partition)
{
case 0:
strcat(emu_cfg.emummc_file_based_path, "/00");
break;
case 1:
strcat(emu_cfg.emummc_file_based_path, "/BOOT0");
break;
case 2:
strcat(emu_cfg.emummc_file_based_path, "/BOOT1");
break;
}
return 1;
}
return 1;
}