LowLevel/Luma3DS-3GX
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Merge branch 'master' into developer

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Conflicts:
	source/config.c
	source/firm.c
This commit is contained in:
TuxSH 2016-08-26 23:28:31 +02:00
commit 259bcc686c
8 changed files with 62 additions and 70 deletions
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28
injector/source/patcher.c
View File

@ -3,28 +3,7 @@
#include "patcher.h"
#include "ifile.h"
typedef struct __attribute__((packed))
{
char magic[4];
u8 versionMajor;
u8 versionMinor;
u8 versionBuild;
u8 flags; /* bit 0: dev branch; bit 1: is release */
u32 commitHash;
u32 config;
} CFWInfo;
CFWInfo info = {0};
#ifndef PATH_MAX
#define PATH_MAX 255
#define CONFIG(a) (((info.config >> (a + 16)) & 1) != 0)
#define MULTICONFIG(a) ((info.config >> (a * 2 + 6)) & 3)
#define BOOTCONFIG(a, b) ((info.config >> a) & b)
#endif
static CFWInfo info = {0};
static int memcmp(const void *buf1, const void *buf2, u32 size)
{
@ -114,6 +93,7 @@ int __attribute__((naked)) svcGetCFWInfo(CFWInfo __attribute__((unused)) *out)
static void loadCFWInfo(void)
{
static bool infoLoaded = false;
if(!infoLoaded)
{
svcGetCFWInfo(&info);
@ -122,8 +102,9 @@ static void loadCFWInfo(void)
{
IFile_Close(&file);
}
infoLoaded = true;
}
infoLoaded = true;
}
static bool secureInfoExists(void)
@ -338,6 +319,7 @@ static void patchCfgGetRegion(u8 *code, u32 size, u8 regionId, u32 CFGUHandleOff
void patchCode(u64 progId, u8 *code, u32 size)
{
loadCFWInfo();
switch(progId)
{
case 0x0004003000008F02LL: // USA Menu

19
injector/source/patcher.h
View File

@ -2,4 +2,23 @@
#include <3ds/types.h>
#define PATH_MAX 255
#define CONFIG(a) (((info.config >> (a + 16)) & 1) != 0)
#define MULTICONFIG(a) ((info.config >> (a * 2 + 6)) & 3)
#define BOOTCONFIG(a, b) ((info.config >> a) & b)
typedef struct __attribute__((packed))
{
char magic[4];
u8 versionMajor;
u8 versionMinor;
u8 versionBuild;
u8 flags; /* bit 0: dev branch; bit 1: is release */
u32 commitHash;
u32 config;
} CFWInfo;
void patchCode(u64 progId, u8 *code, u32 size);

2
patches/twl_k11modules.s
View File

@ -135,7 +135,7 @@ patchesStart:
.halfword 1
.halfword 8
.byte 0x83, 0x30, 0x2e, 0xa4, 0xb0, 0xe2, 0xc2, 0xd6 ; (decrypted = 0x02, 0x01, 0x1a, 0xe3, 0x08, 0x60, 0x87, 0x05)
.byte 0x89, 0x53, 0xb2, 0xa4, 0xb0, 0xe2, 0xc2, 0xd6 ; (decrypted = 0x08, 0x62, 0x86, 0xe3, 0x08, 0x60, 0x87, 0xe5)
.byte 0x83, 0x50, 0xf2, 0xa4, 0xb0, 0xe2, 0xc2, 0xd6 ; (decrypted = 0x02, 0x61, 0xc6, 0xe3, 0x08, 0x60, 0x87, 0xe5)
patchesEnd:

11
source/config.c
View File

@ -24,10 +24,9 @@
#include "utils.h"
#include "screen.h"
#include "draw.h"
#include "fs.h"
#include "buttons.h"
void configureCFW(const char *configPath)
void configureCFW(void)
{
initScreens();
@ -46,6 +45,7 @@ void configureCFW(const char *configPath)
"( ) Show GBA boot screen in patched AGB_FIRM",
"( ) Display splash screen before payloads",
"( ) Use a PIN",
"( ) Enable experimental TwlBg patches",
"( ) Disable access checks" };
struct multiOption {
@ -196,13 +196,6 @@ void configureCFW(const char *configPath)
for(u32 i = 0; i < singleOptionsAmount; i++)
config |= (singleOptions[i].enabled ? 1 : 0) << (i + 16);
if(!fileWrite(&config, configPath, 4))
{
createDirectory("luma");
if(!fileWrite(&config, configPath, 4))
error("Error writing the configuration file");
}
//Wait for the pressed buttons to change
while(HID_PAD == BUTTON_START);
}

2
source/config.h
View File

@ -32,4 +32,4 @@
extern u32 config;
void configureCFW(const char *configPath);
void configureCFW(void);

37
source/firm.c
View File

@ -107,7 +107,7 @@ void main(void)
//Determine if the user chose to use the SysNAND FIRM as default for a R boot
bool useSysAsDefault = isA9lh ? CONFIG(1) : false;
newConfig = (u32)isA9lh << 3;
newConfig = (config & 0xFFFFFFC0) | ((u32)isA9lh << 3);
//If it's a MCU reboot, try to force boot options
if(isA9lh && CFG_BOOTENV)
@ -148,7 +148,7 @@ void main(void)
if(shouldLoadConfigurationMenu)
{
configureCFW(configPath);
configureCFW();
if(!pinExists && CONFIG(7)) newPin();
@ -214,13 +214,17 @@ void main(void)
/* If the boot configuration is different from previously, overwrite it.
Just the no-forcing flag being set is not enough */
if((newConfig & 0x2F) != (config & 0x3F))
if((newConfig & 0xFFFFFFEF) != config)
{
//Preserve user settings (last 26 bits)
newConfig |= config & 0xFFFFFFC0;
//Update the last boot configuration
config |= newConfig & 0x3F;
if(!fileWrite(&newConfig, configPath, 4))
error("Error writing the configuration file");
if(!fileWrite(&config, configPath, 4))
{
createDirectory("luma");
if(!fileWrite(&config, configPath, 4))
error("Error writing the configuration file");
}
}
}
@ -338,7 +342,7 @@ static inline void patchNativeFirm(u32 firmVersion, FirmwareSource nandType, u32
patchKernel11Panic(arm11Section1, section[1].size);
}
if(CONFIG(8))
if(CONFIG(9))
{
patchArm11SvcAccessChecks(arm11Section1, section[1].size);
patchK11ModuleChecks(arm11Section1, section[1].size);
@ -372,7 +376,7 @@ static inline void patchLegacyFirm(FirmwareType firmType)
applyLegacyFirmPatches((u8 *)firm, firmType);
if(firmType == TWL_FIRM)
if(firmType == TWL_FIRM && CONFIG(8))
patchTwlBg((u8 *)firm + section[1].offset);
}
@ -409,20 +413,19 @@ static inline void copySection0AndInjectSystemModules(FirmwareType firmType)
u32 size;
char name[8];
const u8 *addr;
} modules[5] = {{0}};
} modules[5];
u8 *pos = arm11Section0, *end = pos + section[0].size;
u8 *pos = arm11Section0;
u32 n = 0;
u32 loaderIndex = 0;
while(pos < end)
for(u8 *end = pos + section[0].size; pos < end; pos += modules[n++].size)
{
modules[n].addr = pos;
modules[n].size = *(u32 *)(pos + 0x104) * 0x200;
memcpy(modules[n].name, pos + 0x200, 8);
pos += modules[n].size;
//Read modules from files if they exist
u32 nameOff;
@ -438,8 +441,6 @@ static inline void copySection0AndInjectSystemModules(FirmwareType firmType)
}
if(firmType == NATIVE_FIRM && memcmp(modules[n].name, "loader", 7) == 0) loaderIndex = n;
n++;
}
if(firmType == NATIVE_FIRM && modules[loaderIndex].addr != NULL)
@ -449,7 +450,7 @@ static inline void copySection0AndInjectSystemModules(FirmwareType firmType)
}
pos = section[0].address;
for(u32 i = 0; i < n; i++)
for(u32 i = 0; i < n; pos += modules[i++].size)
{
if(modules[i].addr != NULL)
memcpy(pos, modules[i].addr, modules[i].size);
@ -461,9 +462,7 @@ static inline void copySection0AndInjectSystemModules(FirmwareType firmType)
memcpy(fileName + 17, modules[i].name, nameOff);
memcpy(fileName + 17 + nameOff, ext, 5);
fileRead(pos, fileName);
}
pos += modules[i].size;
}
}
}

18
source/patches.c
View File

@ -334,26 +334,10 @@ void reimplementSvcBackdoor(u8 *pos, u32 size)
}
}
extern u32 config;
void implementSvcGetCFWInfo(u8 *pos, u32 size)
{
typedef struct __attribute__((packed))
{
char magic[4];
u8 versionMajor;
u8 versionMinor;
u8 versionBuild;
u8 flags;
u32 commitHash;
u32 config;
} CFWInfo;
const char *rev = REVISION;
bool isRelease = false;
bool isRelease;
findArm11ExceptionsPageAndSvcHandlerAndTable(pos, size);
findFreeK11Space(pos, size);

15
source/patches.h
View File

@ -33,7 +33,22 @@ typedef struct patchData {
u32 type;
} patchData;
typedef struct __attribute__((packed))
{
char magic[4];
u8 versionMajor;
u8 versionMinor;
u8 versionBuild;
u8 flags;
u32 commitHash;
u32 config;
} CFWInfo;
extern bool isN3DS;
extern u32 config;
u8 *getProcess9(u8 *pos, u32 size, u32 *process9Size, u32 *process9MemAddr);
u32* getInfoForArm11ExceptionHandlers(u8 *pos, u32 size, u32 *stackAddr, u32 *codeSetOffset);