123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/*
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* (c) Copyright 2018 by Coinkite Inc. This file is covered by license found in COPYING-CC.
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*
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* Based on part of ports/stm32/main.c
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*
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*/
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "py/runtime.h"
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#include "py/mperrno.h"
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#include "py/stackctrl.h"
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#include "py/gc.h"
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#include "py/mphal.h"
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#include "lib/oofatfs/ff.h"
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#include "extmod/vfs.h"
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#include "extmod/vfs_fat.h"
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#include "systick.h"
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#include "storage.h"
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#include "sdcard.h"
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// Important: system assumes this is always the /flash filesystem, mounted.
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extern fs_user_mount_t fs_user_mount_flash;
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// Replace standard version of this function, so it's useful for this project.
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//
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int factory_reset_create_filesystem(void) {
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fs_user_mount_t vfs;
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pyb_flash_init_vfs(&vfs);
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uint8_t working_buf[FF_MAX_SS];
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FRESULT res = f_mkfs(&vfs.fatfs, FM_FAT, 0, working_buf, sizeof(working_buf));
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if (res != FR_OK) {
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mp_printf(&mp_plat_print, "MPY: can't create flash filesystem\n");
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return -MP_ENODEV;
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}
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static const char fresh_readme_txt[] =
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"Coldcard Wallet: Virtual Disk\r\n"
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"\r\n"
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"- reference data could also be stored, for your code to read\r\n"
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"- this area mounted at /flash during normal bootup\r\n"
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"- limited to 128k, must be FAT32\r\n"
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"- there is a menu command to reset this area to stock values\r\n"
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"- contents will survive firmware upgrades\r\n"
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;
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// set volume label, which becomes mountpoint on MacOS
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f_setlabel(&vfs.fatfs, "COLDCARD");
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FIL fp;
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UINT n;
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// create readme file
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f_open(&vfs.fatfs, &fp, "/README.txt", FA_WRITE | FA_CREATE_ALWAYS);
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f_write(&fp, fresh_readme_txt, sizeof(fresh_readme_txt) - 1, &n);
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f_close(&fp);
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// make required subdirs
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f_mkdir(&vfs.fatfs, "/lib");
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// We don't need this anymore, but seems harmless to keep it.
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f_open(&vfs.fatfs, &fp, "/SKIPSD", FA_WRITE | FA_CREATE_ALWAYS);
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f_write(&fp, "y", 1, &n);
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f_close(&fp);
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// create an ident file, or two
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// - algo matches shared/version.py serial_number() function
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{ char fname[80];
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const uint8_t *id = (const uint8_t *)MP_HAL_UNIQUE_ID_ADDRESS; // 12 bytes, binary
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snprintf(fname, sizeof(fname),
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"ckcc-%02X%02X%02X%02X%02X%02X.txt",
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id[11], id[10] + id[2], id[9], id[8] + id[0], id[7], id[6]);
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f_open(&vfs.fatfs, &fp, fname, FA_WRITE | FA_CREATE_ALWAYS);
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f_write(&fp, fname+5, 12, &n);
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f_close(&fp);
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f_open(&vfs.fatfs, &fp, "serial.txt", FA_WRITE | FA_CREATE_ALWAYS);
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f_write(&fp, fname+5, 12, &n);
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f_close(&fp);
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}
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// Make sure we have a /flash/boot.py. Create it if needed, also verify and force contents
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// LATER:
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// - v3 and earlier relied on the contents of boot.py to operate correctly,
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// so at bootup it verified contents and forced it.
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// - in v4, file is ignored, so we could delete but let's perserve easy downgrade
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// and just do nothing.
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//force_boot_py_contents(&vfs.fatfs);
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return 0; // success
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}
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// EOF
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