mirror of
https://github.com/isfshax/isfshax.git
synced 2024-11-16 08:29:16 +01:00
150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
/*
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* ISFSHAX
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*
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* Copyright (C) 2021 rw-r-r-0644 <rwrr0644@gmail.com>
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*
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* Based on code from Minute and Mini:
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*
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* Copyright (C) 2017 Ash Logan <quarktheawesome@gmail.com>
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* Copyright (C) 2016 SALT
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* Copyright (C) 2016 Daz Jones <daz@dazzozo.com>
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*
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* Copyright (C) 2008, 2009 Haxx Enterprises <bushing@gmail.com>
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* Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
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* Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
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* Copyright (C) 2009 Andre Heider "dhewg" <dhewg@wiibrew.org>
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* Copyright (C) 2009 John Kelley <wiidev@kelley.ca>
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*
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* This code is licensed to you under the terms of the GNU GPL, version 2;
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* see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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*/
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#include <stdlib.h>
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#include "memory.h"
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#include "irq.h"
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#include "crypto.h"
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#include "smc.h"
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#include "latte.h"
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#include "utils.h"
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#include "isfs/isfshax.h"
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#include "sdcard.h"
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#include "fatfs/ff.h"
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#include "nand.h"
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#include "isfs/isfs.h"
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#include "ancast.h"
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#include "debug.h"
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#include "lolserial.h"
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u32 load_payload_sd(void)
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{
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static FATFS fatfs;
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UINT btr, br;
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FRESULT res;
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FIL file;
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u32 vector = 0;
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ancast_iop_clear((u8*)ANCAST_ADDRESS_IOP);
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sdcard_init();
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res = f_mount(&fatfs, "0:", 1);
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if (res)
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goto error_mount;
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res = f_open(&file, "isfshax.bin", FA_READ);
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if (res)
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goto error_open;
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btr = f_size(&file);
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if (!btr)
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goto error_read;
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res = f_read(&file, (u8*)ANCAST_ADDRESS_IOP, btr, &br);
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if (res || (btr != br))
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goto error_read;
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vector = ancast_iop_load((u8*)ANCAST_ADDRESS_IOP, btr);
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error_read:
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f_close(&file);
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error_open:
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f_mount(0, "0:", 0);
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error_mount:
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sdcard_exit();
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return vector;
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}
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u32 load_payload_nand(void)
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{
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isfs_file file;
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size_t btr, br;
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int res;
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u32 vector = 0;
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ancast_iop_clear((u8*)ANCAST_ADDRESS_IOP);
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res = isfs_init();
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if (res)
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return vector;
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res = isfs_open(&file, "slc:/sys/isfshax.bin");
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if (res)
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goto error_open;
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btr = file.fst->size;
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if (!btr)
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goto error_read;
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res = isfs_read(&file, (u8*)ANCAST_ADDRESS_IOP, btr, &br);
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if (res || (btr != br))
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goto error_read;
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vector = ancast_iop_load((u8*)ANCAST_ADDRESS_IOP, btr);
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error_read:
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isfs_close(&file);
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error_open:
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isfs_fini();
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return vector;
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}
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u32 _main(void)
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{
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u32 vector = 0;
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lolserial_init();
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DEBUG("isfshax start\n");
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//mem_initialize();
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irq_initialize();
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crypto_read_otp();
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nand_initialize();
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/* repair isfshax superblocks ecc errors, if present */
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DEBUG("isfshax_refresh\n");
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isfshax_refresh();
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/* attempt to load the payload from SD, then NAND */
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DEBUG("load_payload_sd\n");
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lolserial_suspend();
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vector = load_payload_sd();
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lolserial_resume();
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if (!vector) {
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DEBUG("load_payload_nand\n");
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lolserial_suspend();
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vector = load_payload_nand();
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lolserial_resume();
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}
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DEBUG("vector: %08lX\n", vector);
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nand_deinitialize();
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irq_shutdown();
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//mem_shutdown();
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/* failed to load the payload from SD or NAND -> shutdown */
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if (!vector)
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smc_shutdown(false);
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return vector;
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}
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