LowLevel/Luma3DS-3GX
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Add title version support to loader, only apply userland patches to suitable title versions, report used console and safe mode boots to loader separately from the config, remove eShop update check patch as older eShop version would fail anyway and it causes issues with background updates

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This commit is contained in:
Aurora
2016-11-03 18:55:40 +01:00
parent 3eaa706ccf
commit 9b724d776e
11 changed files with 248 additions and 281 deletions
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2
injector/source/CFWInfo.h
View File

@@ -9,7 +9,7 @@ typedef struct __attribute__((packed))
u8 versionMajor;
u8 versionMinor;
u8 versionBuild;
u8 flags; /* bit 0: dev branch; bit 1: is release */
u8 flags;
u32 commitHash;

4
injector/source/loader.c
View File

@@ -155,8 +155,10 @@ static Result load_code(u64 progid, prog_addrs_t *shared, u64 prog_handle, int i
lzss_decompress((u8 *)shared->text_addr + size);
}
u16 progver = g_exheader.codesetinfo.flags.remasterversion[1] | (g_exheader.codesetinfo.flags.remasterversion[0] << 8);
// patch
patchCode(progid, (u8 *)shared->text_addr, shared->total_size << 12);
patchCode(progid, progver, (u8 *)shared->text_addr, shared->total_size << 12);
return 0;
}

462
injector/source/patcher.c
View File

@@ -43,7 +43,7 @@ static Result openLumaFile(IFile *file, const char *path)
return res;
}
static void loadCFWInfo(void)
static inline void loadCFWInfo(void)
{
static bool infoLoaded = false;
@@ -52,7 +52,7 @@ static void loadCFWInfo(void)
svcGetCFWInfo(&info);
IFile file;
if(BOOTCFG_SAFEMODE != 0 && R_SUCCEEDED(fileOpen(&file, ARCHIVE_SDMC, "/", FS_OPEN_READ))) //Init SD card if SAFE_MODE is being booted
if(LOADERFLAG(ISSAFEMODE) && R_SUCCEEDED(fileOpen(&file, ARCHIVE_SDMC, "/", FS_OPEN_READ))) //Init SD card if SAFE_MODE is being booted
IFile_Close(&file);
infoLoaded = true;
@@ -320,135 +320,105 @@ static void patchCfgGetRegion(u8 *code, u32 size, u8 regionId, u32 CFGUHandleOff
}
}
void patchCode(u64 progId, u8 *code, u32 size)
void patchCode(u64 progId, u16 progVer, u8 *code, u32 size)
{
loadCFWInfo();
switch(progId)
if(((progId == 0x0004003000008F02LL || //USA Home Menu
progId == 0x0004003000008202LL || //JPN Home Menu
progId == 0x0004003000009802LL) //EUR Home Menu
&& progVer > 4) ||
(progId == 0x000400300000A902LL //KOR Home Menu
&& progVer > 0) ||
progId == 0x000400300000A102LL || //CHN Home Menu
progId == 0x000400300000B102LL) //TWN Home Menu
{
case 0x0004003000008F02LL: // USA Menu
case 0x0004003000008202LL: // EUR Menu
case 0x0004003000009802LL: // JPN Menu
case 0x000400300000A102LL: // CHN Menu
case 0x000400300000A902LL: // KOR Menu
case 0x000400300000B102LL: // TWN Menu
static const u8 regionFreePattern[] = {
0x0A, 0x0C, 0x00, 0x10
},
regionFreePatch[] = {
0x01, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1
};
//Patch SMDH region checks
patchMemory(code, size,
regionFreePattern,
sizeof(regionFreePattern), -31,
regionFreePatch,
sizeof(regionFreePatch), 1
);
}
else if(progId == 0x0004013000003202LL) // FRIENDS
{
static const u8 fpdVerPattern[] = {
0x42, 0xE0, 0x1E, 0xFF
};
u8 mostRecentFpdVer = 8;
u8 *off = memsearch(code, fpdVerPattern, size, sizeof(fpdVerPattern));
if(off == NULL) svcBreak(USERBREAK_ASSERT);
//Allow online access to work with old friends modules
if(off[0xA] < mostRecentFpdVer) off[0xA] = mostRecentFpdVer;
}
else if((progId == 0x0004001000021000LL || // USA MSET
progId == 0x0004001000020000LL || // JPN MSET
progId == 0x0004001000022000LL || // EUR MSET
progId == 0x0004001000026000LL || // CHN MSET
progId == 0x0004001000027000LL || // KOR MSET
progId == 0x0004001000028000LL) // TWN MSET
&& CONFIG(PATCHVERSTRING))
{
static const u16 verPattern[] = u"Ve";
static u16 *verString;
u32 verStringSize = 0,
currentNand = BOOTCFG_NAND;
u16 customVerString[19];
loadCustomVerString(customVerString, &verStringSize, currentNand);
if(verStringSize != 0) verString = customVerString;
else
{
static const u8 regionFreePattern[] = {
0x0A, 0x0C, 0x00, 0x10
},
regionFreePatch[] = {
0x01, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1
};
verStringSize = 8;
u32 currentFirm = BOOTCFG_FIRM;
//Patch SMDH region checks
patchMemory(code, size,
regionFreePattern,
sizeof(regionFreePattern), -31,
regionFreePatch,
sizeof(regionFreePatch), 1
);
static u16 *verStringsNands[] = { u" Sys",
u" Emu",
u"Emu2",
u"Emu3",
u"Emu4" },
break;
*verStringsEmuSys[] = { u"EmuS",
u"Em2S",
u"Em3S",
u"Em4S" },
*verStringsSysEmu[] = { u"SysE",
u"SyE2",
u"SyE3",
u"SyE4" };
verString = (currentFirm != 0) == (currentNand != 0) ? verStringsNands[currentNand] :
(!currentNand ? verStringsSysEmu[currentFirm - 1] : verStringsEmuSys[currentNand - 1]);
}
case 0x0004013000002C02LL: // NIM
{
//Apply only if the user booted with R
if((BOOTCFG_NAND != 0) != (BOOTCFG_FIRM != 0))
{
static const u8 skipEshopUpdateCheckPattern[] = {
0x30, 0xB5, 0xF1, 0xB0
},
skipEshopUpdateCheckPatch[] = {
0x00, 0x20, 0x08, 0x60, 0x70, 0x47
};
//Patch Ver. string
patchMemory(code, size,
verPattern,
sizeof(verPattern) - 2, 0,
verString,
verStringSize, 1
);
}
//Skip update checks to access the EShop
patchMemory(code, size,
skipEshopUpdateCheckPattern,
sizeof(skipEshopUpdateCheckPattern), 0,
skipEshopUpdateCheckPatch,
sizeof(skipEshopUpdateCheckPatch), 1
);
}
break;
}
case 0x0004013000003202LL: // FRIENDS
{
static const u8 fpdVerPattern[] = {
0x42, 0xE0, 0x1E, 0xFF
};
u8 mostRecentFpdVer = 8;
u8 *fpdVer = memsearch(code, fpdVerPattern, size, sizeof(fpdVerPattern));
if(fpdVer == NULL) svcBreak(USERBREAK_ASSERT);
//Allow online access to work with old friends modules
if(fpdVer[0xA] < mostRecentFpdVer) fpdVer[0xA] = mostRecentFpdVer;
break;
}
case 0x0004001000021000LL: // USA MSET
case 0x0004001000020000LL: // JPN MSET
case 0x0004001000022000LL: // EUR MSET
case 0x0004001000026000LL: // CHN MSET
case 0x0004001000027000LL: // KOR MSET
case 0x0004001000028000LL: // TWN MSET
{
if(CONFIG(PATCHVERSTRING))
{
static const u16 verPattern[] = u"Ve";
static u16 *verString;
u32 verStringSize = 0,
currentNand = BOOTCFG_NAND;
u16 customVerString[19];
loadCustomVerString(customVerString, &verStringSize, currentNand);
if(verStringSize != 0) verString = customVerString;
else
{
verStringSize = 8;
u32 currentFirm = BOOTCFG_FIRM;
static u16 *verStringsNands[] = { u" Sys",
u" Emu",
u"Emu2",
u"Emu3",
u"Emu4" },
*verStringsEmuSys[] = { u"EmuS",
u"Em2S",
u"Em3S",
u"Em4S" },
*verStringsSysEmu[] = { u"SysE",
u"SyE2",
u"SyE3",
u"SyE4" };
verString = (currentFirm != 0) == (currentNand != 0) ? verStringsNands[currentNand] :
(!currentNand ? verStringsSysEmu[currentFirm - 1] : verStringsEmuSys[currentNand - 1]);
}
//Patch Ver. string
patchMemory(code, size,
verPattern,
sizeof(verPattern) - 2, 0,
verString,
verStringSize, 1
);
}
break;
}
case 0x0004013000008002LL: // NS
else if(progId == 0x0004013000008002LL) // NS
{
if(progVer >= 0xD)
{
static const u8 stopCartUpdatesPattern[] = {
0x0C, 0x18, 0xE1, 0xD8
@@ -464,162 +434,148 @@ void patchCode(u64 progId, u8 *code, u32 size)
stopCartUpdatesPatch,
sizeof(stopCartUpdatesPatch), 2
);
}
if(LOADERFLAG(ISN3DS))
{
u32 cpuSetting = MULTICONFIG(NEWCPU);
if(cpuSetting != 0)
{
static const u8 cfgN3dsCpuPattern[] = {
0x00, 0x40, 0xA0, 0xE1, 0x07
0x0C, 0x00, 0x94, 0x15
};
u32 *cfgN3dsCpuLoc = (u32 *)memsearch(code, cfgN3dsCpuPattern, size, sizeof(cfgN3dsCpuPattern));
u32 *off = (u32 *)memsearch(code, cfgN3dsCpuPattern, size, sizeof(cfgN3dsCpuPattern));
if(cfgN3dsCpuLoc == NULL) svcBreak(USERBREAK_ASSERT);
if(off == NULL) svcBreak(USERBREAK_ASSERT);
//Patch N3DS CPU Clock and L2 cache setting
*(cfgN3dsCpuLoc + 1) = 0xE1A00000;
*(cfgN3dsCpuLoc + 8) = 0xE3A00000 | cpuSetting;
*(off - 4) = 0xE1A00000;
*(off + 3) = 0xE3A00000 | cpuSetting;
}
break;
}
}
case 0x0004013000001702LL: // CFG
else if(progId == 0x0004013000001702LL) // CFG
{
static const u8 secureinfoSigCheckPattern[] = {
0x06, 0x46, 0x10, 0x48
},
secureinfoSigCheckPatch[] = {
0x00, 0x26
};
//Disable SecureInfo signature check
patchMemory(code, size,
secureinfoSigCheckPattern,
sizeof(secureinfoSigCheckPattern), 0,
secureinfoSigCheckPatch,
sizeof(secureinfoSigCheckPatch), 1
);
if(secureInfoExists())
{
static const u8 secureinfoSigCheckPattern[] = {
0x06, 0x46, 0x10, 0x48
},
secureinfoSigCheckPatch[] = {
0x00, 0x26
};
static const u16 secureinfoFilenamePattern[] = u"SecureInfo_",
secureinfoFilenamePatch[] = u"C";
//Disable SecureInfo signature check
//Use SecureInfo_C
patchMemory(code, size,
secureinfoSigCheckPattern,
sizeof(secureinfoSigCheckPattern), 0,
secureinfoSigCheckPatch,
sizeof(secureinfoSigCheckPatch), 1
secureinfoFilenamePattern,
sizeof(secureinfoFilenamePattern) - 2,
sizeof(secureinfoFilenamePattern) - 2,
secureinfoFilenamePatch,
sizeof(secureinfoFilenamePatch) - 2, 2
);
if(secureInfoExists())
{
static const u16 secureinfoFilenamePattern[] = u"SecureInfo_",
secureinfoFilenamePatch[] = u"C";
//Use SecureInfo_C
patchMemory(code, size,
secureinfoFilenamePattern,
sizeof(secureinfoFilenamePattern) - 2,
sizeof(secureinfoFilenamePattern) - 2,
secureinfoFilenamePatch,
sizeof(secureinfoFilenamePatch) - 2, 2
);
}
break;
}
}
case 0x0004013000003702LL: // RO
else if(progId == 0x0004013000003702LL && progVer >= 1) // RO
{
static const u8 sigCheckPattern[] = {
0x20, 0xA0, 0xE1, 0x8B
},
sha256ChecksPattern1[] = {
0xE1, 0x30, 0x40, 0x2D
},
sha256ChecksPattern2[] = {
0x2D, 0xE9, 0x01, 0x70
},
stub[] = {
0x00, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1 // mov r0, #0; bx lr
};
//Disable CRR0 signature (RSA2048 with SHA256) check
patchMemory(code, size,
sigCheckPattern,
sizeof(sigCheckPattern), -9,
stub,
sizeof(stub), 1
);
//Disable CRO0/CRR0 SHA256 hash checks (section hashes, and hash table)
patchMemory(code, size,
sha256ChecksPattern1,
sizeof(sha256ChecksPattern1), 1,
stub,
sizeof(stub), 1
);
patchMemory(code, size,
sha256ChecksPattern2,
sizeof(sha256ChecksPattern2), -2,
stub,
sizeof(stub), 1
);
}
else if(progId == 0x0004003000008A02LL && MULTICONFIG(DEVOPTIONS) == 1) // ErrDisp
{
static const u8 unitinfoCheckPattern1[] = {
0x00, 0xD0, 0xE5, 0xDB
},
unitinfoCheckPattern2[] = {
0x14, 0x00, 0xD0, 0xE5, 0x01
},
unitinfoCheckPatch[] = {
0x00, 0x00, 0xA0, 0xE3
};
patchMemory(code, size,
unitinfoCheckPattern1,
sizeof(unitinfoCheckPattern1), -1,
unitinfoCheckPatch,
sizeof(unitinfoCheckPatch), 1
);
patchMemory(code, size,
unitinfoCheckPattern2,
sizeof(unitinfoCheckPattern2), 0,
unitinfoCheckPatch,
sizeof(unitinfoCheckPatch), 3
);
}
else if(CONFIG(USELANGEMUANDCODE) && (u32)((progId & 0xFFFFFFF000000000LL) >> 0x24) == 0x0004000)
{
//External .code section loading
loadTitleCodeSection(progId, code, size);
//Language emulation
u8 regionId = 0xFF,
languageId = 0xFF;
loadTitleLocaleConfig(progId, &regionId, &languageId);
if(regionId != 0xFF || regionId != 0xFF)
{
static const u8 sigCheckPattern[] = {
0x20, 0xA0, 0xE1, 0x8B
},
sha256ChecksPattern1[] = {
0xE1, 0x30, 0x40, 0x2D
},
sha256ChecksPattern2[] = {
0x2D, 0xE9, 0x01, 0x70
},
stub[] = {
0x00, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1 // mov r0, #0; bx lr
};
u32 CFGUHandleOffset;
u8 *CFGU_GetConfigInfoBlk2_endPos = getCfgOffsets(code, size, &CFGUHandleOffset);
//Disable CRR0 signature (RSA2048 with SHA256) check
patchMemory(code, size,
sigCheckPattern,
sizeof(sigCheckPattern), -9,
stub,
sizeof(stub), 1
);
//Disable CRO0/CRR0 SHA256 hash checks (section hashes, and hash table)
patchMemory(code, size,
sha256ChecksPattern1,
sizeof(sha256ChecksPattern1), 1,
stub,
sizeof(stub), 1
);
patchMemory(code, size,
sha256ChecksPattern2,
sizeof(sha256ChecksPattern2), -2,
stub,
sizeof(stub), 1
);
break;
}
case 0x0004003000008A02LL: // ErrDisp
{
if(MULTICONFIG(DEVOPTIONS) == 1)
if(CFGU_GetConfigInfoBlk2_endPos != NULL)
{
static const u8 unitinfoCheckPattern1[] = {
0x00, 0xD0, 0xE5, 0xDB
},
unitinfoCheckPattern2[] = {
0x14, 0x00, 0xD0, 0xE5, 0x01
},
unitinfoCheckPatch[] = {
0x00, 0x00, 0xA0, 0xE3
} ;
patchMemory(code, size,
unitinfoCheckPattern1,
sizeof(unitinfoCheckPattern1), -1,
unitinfoCheckPatch,
sizeof(unitinfoCheckPatch), 1
);
patchMemory(code, size,
unitinfoCheckPattern2,
sizeof(unitinfoCheckPattern2), 0,
unitinfoCheckPatch,
sizeof(unitinfoCheckPatch), 3
);
if(languageId != 0xFF) patchCfgGetLanguage(code, size, languageId, CFGU_GetConfigInfoBlk2_endPos);
if(regionId != 0xFF) patchCfgGetRegion(code, size, regionId, CFGUHandleOffset);
}
break;
}
default:
if(CONFIG(USELANGEMUANDCODE))
{
if((u32)((progId & 0xFFFFFFF000000000LL) >> 0x24) == 0x0004000)
{
//External .code section loading
loadTitleCodeSection(progId, code, size);
//Language emulation
u8 regionId = 0xFF,
languageId = 0xFF;
loadTitleLocaleConfig(progId, &regionId, &languageId);
if(regionId != 0xFF || regionId != 0xFF)
{
u32 CFGUHandleOffset;
u8 *CFGU_GetConfigInfoBlk2_endPos = getCfgOffsets(code, size, &CFGUHandleOffset);
if(CFGU_GetConfigInfoBlk2_endPos != NULL)
{
if(languageId != 0xFF) patchCfgGetLanguage(code, size, languageId, CFGU_GetConfigInfoBlk2_endPos);
if(regionId != 0xFF) patchCfgGetRegion(code, size, regionId, CFGUHandleOffset);
}
}
}
}
break;
}
}

14
injector/source/patcher.h
View File

@@ -2,15 +2,15 @@
#include <3ds/types.h>
#define CONFIG(a) (((info.config >> (a + 21)) & 1) != 0)
#define MULTICONFIG(a) ((info.config >> (a * 2 + 9)) & 3)
#define CONFIG(a) (((info.config >> (a + 20)) & 1) != 0)
#define MULTICONFIG(a) ((info.config >> (a * 2 + 8)) & 3)
#define BOOTCONFIG(a, b) ((info.config >> a) & b)
#define LOADERFLAG(a) ((info.flags >> (a + 4)) & 1) != 0
#define BOOTCFG_NAND BOOTCONFIG(0, 7)
#define BOOTCFG_FIRM BOOTCONFIG(3, 7)
#define BOOTCFG_A9LH BOOTCONFIG(6, 1)
#define BOOTCFG_NOFORCEFLAG BOOTCONFIG(7, 1)
#define BOOTCFG_SAFEMODE BOOTCONFIG(8, 1)
enum multiOptions
{
@@ -34,4 +34,10 @@ enum singleOptions
PATCHACCESS
};
void patchCode(u64 progId, u8 *code, u32 size);
enum flags
{
ISN3DS = 0,
ISSAFEMODE
};
void patchCode(u64 progId, u16 progVer, u8 *code, u32 size);