Start rewrite

- Rewrite everything
- Starting with up-to-date lockpickrcm
This commit is contained in:
Such Meme, Many Skill
2019-11-21 16:02:45 +01:00
parent e8ddc9cf2f
commit ff062a232b
95 changed files with 7043 additions and 1844 deletions

View File

@@ -42,11 +42,13 @@ typedef struct {
u32 visit_count;
u8 tweak[0x10];
u8 cached_sector[0x200];
u8 align[8];
} sector_cache_t;
#define MAX_SEC_CACHE_ENTRIES 64
static sector_cache_t *sector_cache = (sector_cache_t*)0x40020000;
static sector_cache_t *sector_cache = NULL;
static u32 secindex = 0;
bool clear_sector_cache = false;
DSTATUS disk_status (
BYTE pdrv /* Physical drive number to identify the drive */
@@ -105,7 +107,7 @@ static inline int _emmc_xts(u32 ks1, u32 ks2, u32 enc, u8 *tweak, bool regen_twe
pdst += 0x10;
}
se_aes_crypt_ecb(ks2, 0, dst, secsize, src, secsize);
se_aes_crypt_ecb(ks2, enc, dst, secsize, src, secsize);
pdst = (u8 *)dst;
@@ -134,14 +136,28 @@ DRESULT disk_read (
switch (pdrv)
{
case 0:
return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
if (((u32)buff >= DRAM_START) && !((u32)buff % 8))
return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
if (sdmmc_storage_read(&sd_storage, sector, count, buf))
{
memcpy(buff, buf, 512 * count);
return RES_OK;
}
return RES_ERROR;
case 1:;
__attribute__ ((aligned (16))) static u8 tweak[0x10];
__attribute__ ((aligned (16))) static u64 prev_cluster = -1;
__attribute__ ((aligned (16))) static u32 prev_sector = 0;
u32 tweak_exp = 0;
bool regen_tweak = true, cache_sector = false;
bool needs_cache_sector = false;
if (secindex == 0 || clear_sector_cache) {
if (!sector_cache)
sector_cache = (sector_cache_t *)malloc(sizeof(sector_cache_t) * MAX_SEC_CACHE_ENTRIES);
clear_sector_cache = false;
secindex = 0;
}
u32 s = 0;
if (count == 1) {
@@ -159,12 +175,14 @@ DRESULT disk_read (
if (s == secindex && s < MAX_SEC_CACHE_ENTRIES) {
sector_cache[s].sector = sector;
sector_cache[s].visit_count++;
cache_sector = true;
needs_cache_sector = true;
secindex++;
}
}
if (nx_emmc_part_read(&storage, system_part, sector, count, buff)) {
u32 tweak_exp = 0;
bool regen_tweak = true;
if (prev_cluster != sector / 0x20) { // sector in different cluster than last read
prev_cluster = sector / 0x20;
tweak_exp = sector % 0x20;
@@ -177,7 +195,7 @@ DRESULT disk_read (
// fatfs will never pull more than a cluster
_emmc_xts(9, 8, 0, tweak, regen_tweak, tweak_exp, prev_cluster, buff, buff, count * 0x200);
if (cache_sector) {
if (needs_cache_sector) {
memcpy(sector_cache[s].cached_sector, buff, 0x200);
memcpy(sector_cache[s].tweak, tweak, 0x10);
}
@@ -198,7 +216,14 @@ DRESULT disk_write (
{
if (pdrv == 1)
return RES_WRPRT;
return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
if (((u32)buff >= DRAM_START) && !((u32)buff % 8))
return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER; //TODO: define this somewhere.
memcpy(buf, buff, 512 * count);
if (sdmmc_storage_write(&sd_storage, sector, count, buf))
return RES_OK;
return RES_ERROR;
}
DRESULT disk_ioctl (

View File

@@ -1,10 +1,25 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2019 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/>.
*/
/*----------------------------------------------------------------------------/
/ FatFs - Generic FAT Filesystem Module R0.13c (p3) /
/ FatFs - Generic FAT Filesystem Module R0.13c (p4) /
/-----------------------------------------------------------------------------/
/
/ Copyright (C) 2018, ChaN, all right reserved.
/ Copyright (c) 2018 naehrwert
/ Copyright (C) 2018-2019 CTCaer
/
/ FatFs module is an open source software. Redistribution and use of FatFs in
/ source and binary forms, with or without modification, are permitted provided
@@ -3472,7 +3487,7 @@ static FRESULT find_volume ( /* FR_OK(0): successful, !=0: an error occurred */
#if FF_USE_LFN == 1
fs->lfnbuf = LfnBuf; /* Static LFN working buffer */
#if FF_FS_EXFAT
fs->dirbuf = DirBuf; /* Static directory block scratchpad buuffer */
fs->dirbuf = DirBuf; /* Static directory block scratchpad buffer */
#endif
#endif
#if FF_FS_RPATH != 0
@@ -4243,9 +4258,9 @@ FRESULT f_getcwd (
TCHAR *tp = buff;
#if FF_VOLUMES >= 2
UINT vl;
#endif
#if FF_STR_VOLUME_ID
const char *vp;
#endif
#endif
FILINFO fno;
DEF_NAMBUF
@@ -4726,7 +4741,7 @@ FRESULT f_getfree (
/* Get logical drive */
res = find_volume(&path, &fs, 0);
if (res == FR_OK) {
*fatfs = fs; /* Return ptr to the fs object */
if (fatfs) *fatfs = fs; /* Return ptr to the fs object */
/* If free_clst is valid, return it without full FAT scan */
if (fs->free_clst <= fs->n_fatent - 2) {
*nclst = fs->free_clst;
@@ -6632,4 +6647,3 @@ FRESULT f_setcp (
return FR_OK;
}
#endif /* FF_CODE_PAGE == 0 */

View File

@@ -95,6 +95,7 @@ typedef DWORD FSIZE_t;
/* Filesystem object structure (FATFS) */
typedef struct {
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
BYTE fs_type; /* Filesystem type (0:not mounted) */
BYTE pdrv; /* Associated physical drive */
BYTE n_fats; /* Number of FATs (1 or 2) */
@@ -137,8 +138,6 @@ typedef struct {
DWORD bitbase; /* Allocation bitmap base sector */
#endif
DWORD winsect; /* Current sector appearing in the win[] */
DWORD padding; /* Ensure window is 16-aligned */
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
} FATFS;
@@ -169,6 +168,9 @@ typedef struct {
/* File object structure (FIL) */
typedef struct {
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
#endif
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
BYTE flag; /* File status flags */
BYTE err; /* Abort flag (error code) */
@@ -179,9 +181,6 @@ typedef struct {
DWORD dir_sect; /* Sector number containing the directory entry (not used at exFAT) */
BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */
#endif
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
#endif
#if FF_USE_FASTSEEK
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
#endif
@@ -280,7 +279,7 @@ FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get numbe
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */
FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */
FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */

View File

@@ -25,7 +25,7 @@
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_STRFUNC 0
#define FF_USE_STRFUNC 2
/* This option switches string functions, f_gets(), f_putc(), f_puts() and f_printf().
/
/ 0: Disable string functions.
@@ -33,7 +33,7 @@
/ 2: Enable with LF-CRLF conversion. */
#define FF_USE_FIND 0
#define FF_USE_FIND 1
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
@@ -50,7 +50,7 @@
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 0
#define FF_USE_CHMOD 1
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
@@ -97,7 +97,7 @@
*/
#define FF_USE_LFN 1
#define FF_USE_LFN 3
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/

View File

@@ -34,7 +34,6 @@
#define MERGE2(a, b) a ## b
#define CVTBL(tbl, cp) MERGE2(tbl, cp)
/*------------------------------------------------------------------------*/
/* Code Conversion Tables */
/*------------------------------------------------------------------------*/
@@ -623,5 +622,4 @@ DWORD ff_wtoupper ( /* Returns up-converted code point */
return uni;
}
#endif /* #if FF_USE_LFN */