Implement plugin loader

This commit is contained in:
Nanquitas
2018-11-15 13:38:19 +01:00
parent 2520079536
commit 2182742708
50 changed files with 2541 additions and 89 deletions

View File

@@ -207,6 +207,21 @@ static Result HBLDR_Init(Handle *session)
return res;
}
static Result PLGLDR_Init(Handle *session)
{
Result res;
while (1)
{
res = svcConnectToPort(session, "plg:ldr");
if (R_LEVEL(res) != RL_PERMANENT ||
R_SUMMARY(res) != RS_NOTFOUND ||
R_DESCRIPTION(res) != RD_NOT_FOUND
) break;
svcSleepThread(500000);
}
return res;
}
static Result loader_GetProgramInfo(exheader_header *exheader, u64 prog_handle)
{
Result res;
@@ -365,6 +380,9 @@ static Result loader_LoadProcess(Handle *process, u64 prog_handle)
// load code
if ((res = load_code(progid, &shared_addr, prog_handle, g_exheader.codesetinfo.flags.flag & 1)) >= 0)
{
u32 *code = (u32 *)shared_addr.text_addr;
bool isHomebrew = code[0] == 0xEA000006 && code[8] == 0xE1A0400E;
memcpy(&codesetinfo.name, g_exheader.codesetinfo.name, 8);
codesetinfo.program_id = progid;
codesetinfo.text_addr = vaddr.text_addr;
@@ -383,6 +401,33 @@ static Result loader_LoadProcess(Handle *process, u64 prog_handle)
svcCloseHandle(codeset);
if (res >= 0)
{
// Try to load a plugin for the game
if (!isHomebrew && ((u32)((progid >> 0x20) & 0xFFFFFFEDULL) == 0x00040000))
{
// Special case handling: games rebooting the 3DS on old models
if (!isN3DS && (g_exheader.arm11systemlocalcaps.flags[2] >> 4) > 0)
{
// Check if the plugin loader is enabled, otherwise skip the loading part
s64 out;
svcGetSystemInfo(&out, 0x10000, 0x102);
if ((out & 1) == 0)
return 0;
}
Handle plgldr = 0;
if (R_SUCCEEDED(PLGLDR_Init(&plgldr)))
{
u32* cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(1, 0, 2);
cmdbuf[1] = IPC_Desc_SharedHandles(1);
cmdbuf[2] = *process;
svcSendSyncRequest(plgldr);
svcCloseHandle(plgldr);
}
}
return 0;
}
}
@@ -582,14 +627,14 @@ void __appExit()
void __sync_init();
void __sync_fini();
void __system_initSyscalls();
void __ctru_exit()
{
__appExit();
__sync_fini();
svcExitProcess();
}
void initSystem()
{
__sync_init();
@@ -662,7 +707,7 @@ int main()
g_active_handles--;
reply_target = 0;
}
else
else
{
svcBreak(USERBREAK_ASSERT);
}

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@@ -0,0 +1,37 @@
#pragma once
#include <3ds/types.h>
#include "ifile.h"
#define _3GX_MAGIC (0x3130303024584733) /* "3GX$0001" */
typedef struct PACKED
{
u32 authorLen;
const char * authorMsg;
u32 titleLen;
const char * titleMsg;
u32 summaryLen;
const char * summaryMsg;
u32 descriptionLen;
const char * descriptionMsg;
} _3gx_Infos;
typedef struct PACKED
{
u32 count;
u32 * titles;
} _3gx_Targets;
typedef struct PACKED
{
u64 magic;
u32 version;
u32 codeSize;
u32 * code;
_3gx_Infos infos;
_3gx_Targets targets;
} _3gx_Header;
Result Read_3gx_Header(IFile *file, _3gx_Header *header);
Result Read_3gx_Code(IFile *file, _3gx_Header *header, void *dst);

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@@ -71,18 +71,20 @@ void svcInvalidateEntireInstructionCache(void);
///@{
/**
* @brief Maps a block of process memory.
* @param process Handle of the process.
* @param dstProcessHandle Handle of the process to map the memory in (destination)
* @param destAddress Address of the mapped block in the current process.
* @param srcProcessHandle Handle of the process to map the memory from (source)
* @param srcAddress Address of the mapped block in the source process.
* @param size Size of the block of the memory to map (truncated to a multiple of 0x1000 bytes).
*/
Result svcMapProcessMemoryEx(Handle process, u32 destAddr, u32 srcAddr, u32 size);
Result svcMapProcessMemoryEx(Handle dstProcessHandle, u32 destAddress, Handle srcProcessHandle, u32 vaSrc, u32 size);
/**
* @brief Unmaps a block of process memory.
* @param process Handle of the process.
* @param destAddress Address of the block of memory to unmap, in the current (destination) process.
* @param process Handle of the process to unmap the memory from
* @param destAddress Address of the block of memory to unmap
* @param size Size of the block of memory to unmap (truncated to a multiple of 0x1000 bytes).
* This function should only be used to unmap memory mapped with svcMapProcessMemoryEx
*/
Result svcUnmapProcessMemoryEx(Handle process, u32 destAddress, u32 size);
@@ -134,4 +136,19 @@ Result svcCopyHandle(Handle *out, Handle outProcess, Handle in, Handle inProcess
* @param in The input handle.
*/
Result svcTranslateHandle(u32 *outKAddr, char *outClassName, Handle in);
/// Operations for svcControlProcess
typedef enum ProcessOp
{
PROCESSOP_GET_ALL_HANDLES, ///< List all handles of the process, varg3 can be either 0 to fetch all handles, or token of the type to fetch
///< svcControlProcess(handle, PROCESSOP_GET_ALL_HANDLES, (u32)&outBuf, 0)
PROCESSOP_SET_MMU_TO_RWX, ///< Set the whole memory of the process with rwx access
///< svcControlProcess(handle, PROCESSOP_SET_MMU_TO_RWX, 0, 0)
PROCESSOP_GET_ON_MEMORY_CHANGE_EVENT,
PROCESSOP_GET_ON_EXIT_EVENT,
PROCESSOP_GET_PA_FROM_VA, ///< Get the physical address of the va within the process
///< svcControlProcess(handle, PROCESSOP_GET_PA_FROM_VA, (u32)&outPa, va)
} ProcessOp;
Result svcControlProcess(Handle process, ProcessOp op, u32 varg2, u32 varg3);
///@}

View File

@@ -64,6 +64,7 @@
#define COLOR_WHITE RGB565(0x1F, 0x3F, 0x1F)
#define COLOR_RED RGB565(0x1F, 0x00, 0x00)
#define COLOR_GREEN RGB565(0x00, 0x1F, 0x00)
#define COLOR_LIME RGB565(0x00, 0xFF, 0x00)
#define COLOR_BLACK RGB565(0x00, 0x00, 0x00)
#define DRAW_MAX_FORMATTED_STRING_SIZE 512

View File

@@ -31,8 +31,10 @@
#define GDB_REMOTE_COMMAND_HANDLER(name) GDB_HANDLER(RemoteCommand##name)
#define GDB_DECLARE_REMOTE_COMMAND_HANDLER(name) GDB_DECLARE_HANDLER(RemoteCommand##name)
GDB_DECLARE_REMOTE_COMMAND_HANDLER(ConvertVAToPA);
GDB_DECLARE_REMOTE_COMMAND_HANDLER(SyncRequestInfo);
GDB_DECLARE_REMOTE_COMMAND_HANDLER(TranslateHandle);
GDB_DECLARE_REMOTE_COMMAND_HANDLER(ListAllHandles);
GDB_DECLARE_REMOTE_COMMAND_HANDLER(GetMmuConfig);
GDB_DECLARE_REMOTE_COMMAND_HANDLER(GetMemRegions);
GDB_DECLARE_REMOTE_COMMAND_HANDLER(FlushCaches);

View File

@@ -35,6 +35,7 @@ void *memset32(void *dest, u32 value, u32 size);
u8 *memsearch(u8 *startPos, const void *pattern, u32 size, u32 patternSize);
char *strcpy(char *dest, const char *src);
char *strncpy(char *dest, const char *src, u32 size);
char *strcat(char *dest, const char *src);
s32 strnlen(const char *string, s32 maxlen);
s32 strlen(const char *string);
s32 strcmp(const char *str1, const char *str2);

View File

@@ -75,14 +75,17 @@ extern Handle terminationRequestEvent;
extern u32 menuCombo;
u32 waitInputWithTimeout(u32 msec);
u32 waitInput(void);
u32 waitInputWithTimeout(u32 msec);
u32 waitInput(void);
u32 waitComboWithTimeout(u32 msec);
u32 waitCombo(void);
u32 waitComboWithTimeout(u32 msec);
u32 waitCombo(void);
MyThread *menuCreateThread(void);
void menuEnter(void);
void menuLeave(void);
void menuThreadMain(void);
void menuShow(Menu *root);
void menuEnter(void);
void menuLeave(void);
void menuThreadMain(void);
void menuShow(Menu *root);
void DispMessage(const char *title, const char *message);
u32 DispErrMessage(const char *title, const char *message, const Result error);
void DisplayPluginMenu(u32 *cmdbuf);

View File

@@ -0,0 +1,32 @@
#pragma once
#include <3ds/types.h>
#define MAX_BUFFER (50)
#define MAX_ITEMS_COUNT (64)
typedef struct
{
bool noFlash;
u32 lowTitleId;
char path[256];
u32 config[32];
} PluginLoadParameters;
typedef struct
{
u32 nbItems;
u8 states[MAX_ITEMS_COUNT];
char title[MAX_BUFFER];
char items[MAX_ITEMS_COUNT][MAX_BUFFER];
char hints[MAX_ITEMS_COUNT][MAX_BUFFER];
} PluginMenu;
Result plgLdrInit(void);
void plgLdrExit(void);
Result PLGLDR__IsPluginLoaderEnabled(bool *isEnabled);
Result PLGLDR__SetPluginLoaderState(bool enabled);
Result PLGLDR__SetPluginLoadParameters(PluginLoadParameters *parameters);
Result PLGLDR__DisplayMenu(PluginMenu *menu);
Result PLGLDR__DisplayMessage(const char *title, const char *body);
Result PLGLDR__DisplayErrMessage(const char *title, const char *body, u32 error);

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@@ -0,0 +1,9 @@
#pragma once
#include <3ds/types.h>
#include "MyThread.h"
MyThread * PluginLoader__CreateThread(void);
bool PluginLoader__IsEnabled(void);
void PluginLoader__MenuCallback(void);
void PluginLoader__UpdateMenu(void);

View File

@@ -28,6 +28,7 @@
#include <3ds/svc.h>
#include <3ds/result.h>
#include <3ds/ipc.h>
#include "csvc.h"
// For accessing physmem uncached (and directly)
@@ -56,4 +57,19 @@ static inline void *decodeARMBranch(const void *src)
return (void *)((const u8 *)src + 8 + off);
}
static inline void assertSuccess(Result res)
{
if(R_FAILED(res))
svcBreak(USERBREAK_PANIC);
}
static inline void error(u32* cmdbuf, Result rc)
{
cmdbuf[0] = IPC_MakeHeader(0, 1, 0);
cmdbuf[1] = rc;
}
extern bool isN3DS;
Result OpenProcessByName(const char *name, Handle *h);
Result SaveSettings(void);

View File

@@ -0,0 +1,62 @@
#include <3ds.h>
#include "3gx.h"
Result Read_3gx_Header(IFile *file, _3gx_Header *header)
{
u64 total;
char * dst;
Result res = 0;
res = IFile_Read(file, &total, header, sizeof(_3gx_Header));
if (R_FAILED(res))
return res;
// Read author
file->pos = (u32)header->infos.authorMsg;
dst = (char *)header + sizeof(_3gx_Header);
res = IFile_Read(file, &total, dst, header->infos.authorLen);
if (R_FAILED(res))
return res;
// Relocate ptr
header->infos.authorMsg = dst;
// Read title
file->pos = (u32)header->infos.titleMsg;
dst += header->infos.authorLen;
res = IFile_Read(file, &total, dst, header->infos.titleLen);
if (R_FAILED(res))
return res;
// Relocate ptr
header->infos.titleMsg = dst;
// Declare other members as null (unused in our case)
header->infos.summaryLen = 0;
header->infos.summaryMsg = NULL;
header->infos.descriptionLen = 0;
header->infos.descriptionMsg = NULL;
// Read targets compatibility
file->pos = (u32)header->targets.titles;
dst += header->infos.titleLen;
dst += 4 - ((u32)dst & 3); // 4 bytes aligned
res = IFile_Read(file, &total, dst, header->targets.count * sizeof(u32));
if (R_FAILED(res))
return res;
// Relocate ptr
header->targets.titles = (u32 *)dst;
return res;
}
Result Read_3gx_Code(IFile *file, _3gx_Header *header, void *dst)
{
u64 total;
Result res = 0;
file->pos = (u32)header->code;
res = IFile_Read(file, &total, dst, header->codeSize);
return res;
}

View File

@@ -59,7 +59,10 @@ SVC_BEGIN svcInvalidateEntireInstructionCache
SVC_END
SVC_BEGIN svcMapProcessMemoryEx
str r4, [sp, #-4]!
ldr r4, [sp, #4]
svc 0xA0
ldr r4, [sp], #4
bx lr
SVC_END
@@ -99,3 +102,8 @@ SVC_BEGIN svcTranslateHandle
str r1, [r2]
bx lr
SVC_END
SVC_BEGIN svcControlProcess
svc 0xB3
bx lr
SVC_END

View File

@@ -32,12 +32,6 @@
#include "fmt.h"
#include "ifile.h"
static inline void assertSuccess(Result res)
{
if(R_FAILED(res))
svcBreak(USERBREAK_PANIC);
}
static MyThread errDispThread;
static u8 ALIGN(8) errDispThreadStack[0x2000];

View File

@@ -29,6 +29,7 @@
#include "csvc.h"
#include "fmt.h"
#include "gdb/breakpoints.h"
#include "utils.h"
struct
{
@@ -36,8 +37,10 @@ struct
GDBCommandHandler handler;
} remoteCommandHandlers[] =
{
{ "convertvatopa" , GDB_REMOTE_COMMAND_HANDLER(ConvertVAToPA) },
{ "syncrequestinfo" , GDB_REMOTE_COMMAND_HANDLER(SyncRequestInfo) },
{ "translatehandle" , GDB_REMOTE_COMMAND_HANDLER(TranslateHandle) },
{ "listallhandles" , GDB_REMOTE_COMMAND_HANDLER(ListAllHandles) },
{ "getmmuconfig" , GDB_REMOTE_COMMAND_HANDLER(GetMmuConfig) },
{ "getmemregions" , GDB_REMOTE_COMMAND_HANDLER(GetMemRegions) },
{ "flushcaches" , GDB_REMOTE_COMMAND_HANDLER(FlushCaches) },
@@ -51,6 +54,50 @@ static const char *GDB_SkipSpaces(const char *pos)
return nextpos;
}
GDB_DECLARE_REMOTE_COMMAND_HANDLER(ConvertVAToPA)
{
bool ok;
int n;
u32 val;
u32 pa;
char * end;
char outbuf[GDB_BUF_LEN / 2 + 1];
if(ctx->commandData[0] == 0)
return GDB_ReplyErrno(ctx, EILSEQ);
val = xstrtoul(ctx->commandData, &end, 0, true, &ok);
if(!ok)
return GDB_ReplyErrno(ctx, EILSEQ);
if (val >= 0x40000000)
pa = svcConvertVAToPA((const void *)val, false);
else
{
Handle process;
Result r = svcOpenProcess(&process, ctx->pid);
if(R_FAILED(r))
{
n = sprintf(outbuf, "Invalid process (wtf?)\n");
goto end;
}
r = svcControlProcess(process, PROCESSOP_GET_PA_FROM_VA, (u32)&pa, val);
svcCloseHandle(process);
if (R_FAILED(r))
{
n = sprintf(outbuf, "An error occured: %08X\n", r);
goto end;
}
}
n = sprintf(outbuf, "va: 0x%08X, pa: 0x%08X, b31: 0x%08X\n", val, pa, pa | (1 << 31));
end:
return GDB_SendHexPacket(ctx, outbuf, n);
}
GDB_DECLARE_REMOTE_COMMAND_HANDLER(SyncRequestInfo)
{
char outbuf[GDB_BUF_LEN / 2 + 1];
@@ -135,6 +182,29 @@ end:
return GDB_SendHexPacket(ctx, outbuf, n);
}
enum
{
TOKEN_KAUTOOBJECT = 0,
TOKEN_KSYNCHRONIZATIONOBJECT = 1,
TOKEN_KEVENT = 0x1F,
TOKEN_KSEMAPHORE = 0x2F,
TOKEN_KTIMER = 0x35,
TOKEN_KMUTEX = 0x39,
TOKEN_KDEBUG = 0x4D,
TOKEN_KSERVERPORT = 0x55,
TOKEN_KDMAOBJECT = 0x59,
TOKEN_KCLIENTPORT = 0x65,
TOKEN_KCODESET = 0x68,
TOKEN_KSESSION = 0x70,
TOKEN_KTHREAD = 0x8D,
TOKEN_KSERVERSESSION = 0x95,
TOKEN_KCLIENTSESSION = 0xA5,
TOKEN_KPORT = 0xA8,
TOKEN_KSHAREDMEMORY = 0xB0,
TOKEN_KPROCESS = 0xC5,
TOKEN_KRESOURCELIMIT = 0xC8
};
GDB_DECLARE_REMOTE_COMMAND_HANDLER(TranslateHandle)
{
bool ok;
@@ -143,10 +213,11 @@ GDB_DECLARE_REMOTE_COMMAND_HANDLER(TranslateHandle)
int n;
Result r;
u32 kernelAddr;
s64 token;
Handle handle, process;
s64 refcountRaw;
u32 refcount;
char classBuf[32], serviceBuf[12] = { 0 };
char classBuf[32], serviceBuf[12] = {0}, ownerBuf[50] = { 0 };
char outbuf[GDB_BUF_LEN / 2 + 1];
if(ctx->commandData[0] == 0)
@@ -178,12 +249,29 @@ GDB_DECLARE_REMOTE_COMMAND_HANDLER(TranslateHandle)
svcTranslateHandle(&kernelAddr, classBuf, handle);
svcGetHandleInfo(&refcountRaw, handle, 1);
svcGetHandleInfo(&token, handle, 0x10001);
svcControlService(SERVICEOP_GET_NAME, serviceBuf, handle);
refcount = (u32)(refcountRaw - 1);
if(serviceBuf[0] != 0)
n = sprintf(outbuf, "(%s *)0x%08x /* %s handle, %u %s */\n", classBuf, kernelAddr, serviceBuf, refcount, refcount == 1 ? "reference" : "references");
else if (token == TOKEN_KPROCESS)
{
svcGetProcessInfo((s64 *)serviceBuf, handle, 0x10000);
n = sprintf(outbuf, "(%s *)0x%08x /* process: %s, %u %s */\n", classBuf, kernelAddr, serviceBuf, refcount, refcount == 1 ? "reference" : "references");
}
else
n = sprintf(outbuf, "(%s *)0x%08x /* %u %s */\n", classBuf, kernelAddr, refcount, refcount == 1 ? "reference" : "references");
{
s64 owner;
if (R_SUCCEEDED(svcGetHandleInfo(&owner, handle, 0x10002)))
{
svcGetProcessInfo((s64 *)serviceBuf, (u32)owner, 0x10000);
svcCloseHandle((u32)owner);
sprintf(ownerBuf, " owner: %s", serviceBuf);
}
n = sprintf(outbuf, "(%s *)0x%08x /* %u %s%s */\n", classBuf, kernelAddr, refcount, refcount == 1 ? "reference" : "references", ownerBuf);
}
end:
svcCloseHandle(handle);
@@ -191,6 +279,68 @@ end:
return GDB_SendHexPacket(ctx, outbuf, n);
}
GDB_DECLARE_REMOTE_COMMAND_HANDLER(ListAllHandles)
{
bool ok;
u32 val;
char *end;
int n = 0;
Result r;
s32 count = 0;
Handle process, procHandles[0x100];
char outbuf[GDB_BUF_LEN / 2 + 1];
if(ctx->commandData[0] == 0)
val = 0; ///< All handles
else
{ // Get handles of specified type
val = xstrtoul(ctx->commandData, &end, 0, true, &ok);
if(!ok)
return GDB_ReplyErrno(ctx, EILSEQ);
end = (char *)GDB_SkipSpaces(end);
if(*end != 0)
return GDB_ReplyErrno(ctx, EILSEQ);
}
r = svcOpenProcess(&process, ctx->pid);
if(R_FAILED(r))
{
n = sprintf(outbuf, "Invalid process (wtf?)\n");
goto end;
}
if (R_FAILED(count = svcControlProcess(process, PROCESSOP_GET_ALL_HANDLES, (u32)procHandles, val)))
n = sprintf(outbuf, "An error occured: %08X\n", count);
else if (count == 0)
n = sprintf(outbuf, "Process has no handles ?\n");
else
{
n = sprintf(outbuf, "Found %d handles.\n", count);
const char *comma = "";
for (s32 i = 0; i < count && n < (GDB_BUF_LEN >> 1) - 20; ++i)
{
Handle handle = procHandles[i];
n += sprintf(outbuf + n, "%s0x%08X", comma, handle);
if (((i + 1) % 8) == 0)
{
outbuf[n++] = '\n';
comma = "";
}
else
comma = ", ";
}
}
end:
svcCloseHandle(process);
return GDB_SendHexPacket(ctx, outbuf, n);
}
extern bool isN3DS;
GDB_DECLARE_REMOTE_COMMAND_HANDLER(GetMmuConfig)
{

View File

@@ -117,12 +117,6 @@ static const u32 kernelCaps[] =
0xFE000200, // Handle table size: 0x200
};
static inline void assertSuccess(Result res)
{
if(R_FAILED(res))
svcBreak(USERBREAK_PANIC);
}
static MyThread hbldrThread;
static u8 ALIGN(8) hbldrThreadStack[THREAD_STACK_SIZE];
static u16 hbldrTarget[PATH_MAX+1];
@@ -133,12 +127,6 @@ MyThread *hbldrCreateThread(void)
return &hbldrThread;
}
static inline void error(u32* cmdbuf, Result rc)
{
cmdbuf[0] = IPC_MakeHeader(0, 1, 0);
cmdbuf[1] = rc;
}
static u16 *u16_strncpy(u16 *dest, const u16 *src, u32 size)
{
u32 i;

View File

@@ -166,7 +166,7 @@ Result InputRedirection_DoOrUndoPatches(void)
totalSize = (u32)(textTotalRoundedSize + rodataTotalRoundedSize + dataTotalRoundedSize);
svcGetProcessInfo(&startAddress, processHandle, 0x10005);
res = svcMapProcessMemoryEx(processHandle, 0x00100000, (u32) startAddress, totalSize);
res = svcMapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, processHandle, (u32) startAddress, totalSize);
if(R_SUCCEEDED(res))
{
@@ -203,21 +203,21 @@ Result InputRedirection_DoOrUndoPatches(void)
u32 *off = (u32 *)memsearch((u8 *)0x00100000, &hidOrigRegisterAndValue, totalSize, sizeof(hidOrigRegisterAndValue));
if(off == NULL)
{
svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
return -1;
}
u32 *off2 = (u32 *)memsearch((u8 *)off + sizeof(hidOrigRegisterAndValue), &hidOrigRegisterAndValue, totalSize - ((u32)off - 0x00100000), sizeof(hidOrigRegisterAndValue));
if(off2 == NULL)
{
svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
return -2;
}
u32 *off3 = (u32 *)memsearch((u8 *)0x00100000, &hidOrigCode, totalSize, sizeof(hidOrigCode));
if(off3 == NULL)
{
svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
return -3;
}
@@ -230,7 +230,7 @@ Result InputRedirection_DoOrUndoPatches(void)
}
}
res = svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
res = svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
}
svcCloseHandle(processHandle);
@@ -244,7 +244,7 @@ Result InputRedirection_DoOrUndoPatches(void)
totalSize = (u32)(textTotalRoundedSize + rodataTotalRoundedSize + dataTotalRoundedSize);
svcGetProcessInfo(&startAddress, processHandle, 0x10005);
res = svcMapProcessMemoryEx(processHandle, 0x00100000, (u32) startAddress, totalSize);
res = svcMapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, processHandle, (u32) startAddress, totalSize);
if(R_SUCCEEDED(res))
{
@@ -298,7 +298,7 @@ Result InputRedirection_DoOrUndoPatches(void)
u32 *off = (u32 *)memsearch((u8 *)0x00100000, &irOrigReadingCode, totalSize, sizeof(irOrigReadingCode) - 4);
if(off == NULL)
{
svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
return -4;
}
@@ -308,7 +308,7 @@ Result InputRedirection_DoOrUndoPatches(void)
off2 = (u32 *)memsearch((u8 *)0x00100000, &irOrigWaitSyncCodeOld, totalSize, sizeof(irOrigWaitSyncCodeOld));
if(off2 == NULL)
{
svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
return -5;
}
@@ -320,7 +320,7 @@ Result InputRedirection_DoOrUndoPatches(void)
u32 *off3 = (u32 *)memsearch((u8 *)0x00100000, &irOrigCppFlagCode, totalSize, sizeof(irOrigCppFlagCode));
if(off3 == NULL)
{
svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
return -6;
}
@@ -343,7 +343,7 @@ Result InputRedirection_DoOrUndoPatches(void)
}
}
res = svcUnmapProcessMemoryEx(processHandle, 0x00100000, totalSize);
res = svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, totalSize);
}
svcCloseHandle(processHandle);

View File

@@ -36,6 +36,7 @@
#include "MyThread.h"
#include "menus/process_patches.h"
#include "menus/miscellaneous.h"
#include "plgloader.h"
// this is called before main
bool isN3DS;
@@ -111,7 +112,8 @@ int main(void)
Result res = 0;
Handle notificationHandle;
MyThread *menuThread = menuCreateThread(), *errDispThread = errDispCreateThread(), *hbldrThread = hbldrCreateThread();
MyThread *menuThread = menuCreateThread(), *errDispThread = errDispCreateThread(),
*hbldrThread = hbldrCreateThread(), *plgloaderThread = PluginLoader__CreateThread();
if(R_FAILED(srvEnableNotification(&notificationHandle)))
svcBreak(USERBREAK_ASSERT);
@@ -147,6 +149,7 @@ int main(void)
MyThread_Join(menuThread, -1LL);
MyThread_Join(errDispThread, -1LL);
MyThread_Join(hbldrThread, -1LL);
MyThread_Join(plgloaderThread, -1LL);
svcCloseHandle(notificationHandle);
return 0;

View File

@@ -118,6 +118,18 @@ char *strncpy(char *dest, const char *src, u32 size)
return dest;
}
char *strcat(char *dest, const char *src)
{
char *dst = dest;
while(*dest) ++dest;
while (*src)
*dest++ = *src++;
*dest = 0;
return dst;
}
s32 strnlen(const char *string, s32 maxlen)
{
s32 size;

View File

@@ -32,6 +32,7 @@
#include "ifile.h"
#include "menus.h"
#include "utils.h"
#include "plgloader.h"
#include "menus/n3ds.h"
#include "menus/cheats.h"
#include "minisoc.h"
@@ -127,9 +128,11 @@ u32 waitCombo(void)
static MyThread menuThread;
static u8 ALIGN(8) menuThreadStack[THREAD_STACK_SIZE];
static u8 batteryLevel = 255;
static u32 homeBtnPressed = 0;
MyThread *menuCreateThread(void)
{
svcKernelSetState(0x10007, &homeBtnPressed);
if(R_FAILED(MyThread_Create(&menuThread, menuThreadMain, menuThreadStack, THREAD_STACK_SIZE, 52, CORE_SYSTEM)))
svcBreak(USERBREAK_PANIC);
return &menuThread;
@@ -138,7 +141,9 @@ MyThread *menuCreateThread(void)
extern bool isN3DS;
u32 menuCombo;
void menuThreadMain(void)
u32 DispWarningOnHome(void);
void menuThreadMain(void)
{
if(!isN3DS)
{
@@ -159,10 +164,11 @@ void menuThreadMain(void)
isAcURegistered = R_SUCCEEDED(srvIsServiceRegistered(&isAcURegistered, "ac:u"))
&& isAcURegistered;
if (isAcURegistered)
else
{
menuEnter();
if(isN3DS) N3DSMenu_UpdateStatus();
PluginLoader__UpdateMenu();
menuShow(&rosalinaMenu);
menuLeave();
}
@@ -173,6 +179,16 @@ void menuThreadMain(void)
Cheat_ApplyKeyCheats();
}
}
// Check for home button on O3DS Mode3 with plugin loaded
if (homeBtnPressed != 0)
{
if (DispWarningOnHome())
svcKernelSetState(7); ///< reboot is fine since exiting a mode3 game reboot anyway
homeBtnPressed = 0;
}
svcSleepThread(50 * 1000 * 1000LL);
}
}
@@ -344,3 +360,158 @@ void menuShow(Menu *root)
}
while(!terminationRequest);
}
static const char *__press_b_to_close = "Press [B] to close";
void DispMessage(const char *title, const char *message)
{
menuEnter();
Draw_Lock();
Draw_ClearFramebuffer();
Draw_FlushFramebuffer();
Draw_DrawString(10, 10, COLOR_TITLE, title);
Draw_DrawString(30, 30, COLOR_WHITE, message);
Draw_DrawString(200, 220, COLOR_TITLE, __press_b_to_close);
u32 keys = 0;
do
{
keys = waitComboWithTimeout(1000);
}while (!terminationRequest && !(keys & BUTTON_B));
Draw_Unlock(); ///< Keep it locked until we exit the message
menuLeave();
}
u32 DispErrMessage(const char *title, const char *message, const Result error)
{
char buf[100];
sprintf(buf, "Error code: 0x%08X", error);
menuEnter();
Draw_Lock();
Draw_ClearFramebuffer();
Draw_FlushFramebuffer();
Draw_DrawString(10, 10, COLOR_TITLE, title);
u32 posY = Draw_DrawString(30, 30, COLOR_WHITE, message);
Draw_DrawString(30, posY + 20, COLOR_RED, buf);
Draw_DrawString(200, 220, COLOR_TITLE, __press_b_to_close);
u32 keys = 0;
do
{
keys = waitComboWithTimeout(1000);
}while (!terminationRequest && !(keys & BUTTON_B));
Draw_Unlock(); ///< Keep it locked until we exit the message
menuLeave();
return error;
}
u32 DispWarningOnHome(void)
{
menuEnter();
Draw_Lock();
Draw_ClearFramebuffer();
Draw_FlushFramebuffer();
Draw_DrawString(10, 10, COLOR_TITLE, "Warning");
u32 posY = Draw_DrawString(30, 40, COLOR_WHITE, "Due to memory shortage the home button\nis disabled.");
Draw_DrawString(30, posY + 20, COLOR_WHITE, "Press [DPAD UP + B] to exit the application.");
Draw_DrawString(200, 220, COLOR_TITLE, __press_b_to_close);
u32 keys = 0;
do
{
keys = waitComboWithTimeout(1000);
}while (!terminationRequest && !(keys & BUTTON_B));
Draw_Unlock(); ///< Keep it locked until we exit the message
menuLeave();
return (keys & BUTTON_UP) > 0;
}
typedef char string[50];
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
void DisplayPluginMenu(u32 *cmdbuf)
{
u32 cursor = 0;
u32 nbItems = cmdbuf[1];
u8 *states = (u8 *)cmdbuf[3];
char buffer[60];
const char *title = (const char *)cmdbuf[5];
const string *items = (const string *)cmdbuf[7];
const string *hints = (const string *)cmdbuf[9];
menuEnter();
Draw_Lock();
do
{
// Draw the menu
{
// Clear screen
Draw_ClearFramebuffer();
Draw_FlushFramebuffer();
// Draw title
Draw_DrawString(10, 10, COLOR_TITLE, title);
// Draw items
u32 i = MAX(0, (int)cursor - 7);
u32 end = MIN(nbItems, i + 16);
u32 posY = 30;
for (; i < end; ++i, posY += 10)
{
sprintf(buffer, "[ ] %s", items[i]);
Draw_DrawString(30, posY, COLOR_WHITE, buffer);
if (i == cursor) Draw_DrawCharacter(10, posY, COLOR_TITLE, '>');
if (states[i]) Draw_DrawCharacter(36, posY, COLOR_LIME, 'x');
}
// Draw hint
if (hints[cursor])
Draw_DrawString(10, 200, COLOR_TITLE, hints[cursor]);
}
// Wait for input
u32 pressed = waitInput();
if (pressed & BUTTON_A)
states[cursor] = !states[cursor];
if (pressed & BUTTON_B)
break;
if (pressed & BUTTON_DOWN)
if (++cursor >= nbItems)
cursor = 0;
if (pressed & BUTTON_UP)
if (--cursor >= nbItems)
cursor = nbItems - 1;
} while (true);
Draw_Unlock();
menuLeave();
}

View File

@@ -35,16 +35,18 @@
#include "menus/debugger.h"
#include "menus/miscellaneous.h"
#include "menus/sysconfig.h"
#include "plgloader.h"
#include "ifile.h"
#include "memory.h"
#include "fmt.h"
Menu rosalinaMenu = {
"Rosalina menu",
.nbItems = 10,
.nbItems = 11,
{
{ "New 3DS menu...", MENU, .menu = &N3DSMenu },
{ "Cheats...", METHOD, .method = &RosalinaMenu_Cheats },
{ "", METHOD, .method = PluginLoader__MenuCallback},
{ "Process list", METHOD, .method = &RosalinaMenu_ProcessList },
{ "Take screenshot (slow!)", METHOD, .method = &RosalinaMenu_TakeScreenshot },
{ "Debugger options...", MENU, .menu = &debuggerMenu },
@@ -52,7 +54,7 @@ Menu rosalinaMenu = {
{ "Miscellaneous options...", MENU, .menu = &miscellaneousMenu },
{ "Power off", METHOD, .method = &RosalinaMenu_PowerOff },
{ "Reboot", METHOD, .method = &RosalinaMenu_Reboot },
{ "Credits", METHOD, .method = &RosalinaMenu_ShowCredits }
{ "Credits", METHOD, .method = &RosalinaMenu_ShowCredits },
}
};

View File

@@ -30,6 +30,7 @@
#include "memory.h"
#include "draw.h"
#include "hbloader.h"
#include "plgloader.h"
#include "fmt.h"
#include "utils.h" // for makeARMBranch
#include "minisoc.h"
@@ -168,7 +169,7 @@ void MiscellaneousMenu_ChangeMenuCombo(void)
while(!(waitInput() & BUTTON_B) && !terminationRequest);
}
void MiscellaneousMenu_SaveSettings(void)
Result SaveSettings(void)
{
Result res;
@@ -183,12 +184,14 @@ void MiscellaneousMenu_SaveSettings(void)
u32 config, multiConfig, bootConfig;
u64 hbldr3dsxTitleId;
u32 rosalinaMenuCombo;
u32 rosalinaFlags;
} configData;
u32 formatVersion;
u32 config, multiConfig, bootConfig;
s64 out;
bool isSdMode;
if(R_FAILED(svcGetSystemInfo(&out, 0x10000, 2))) svcBreak(USERBREAK_ASSERT);
formatVersion = (u32)out;
if(R_FAILED(svcGetSystemInfo(&out, 0x10000, 3))) svcBreak(USERBREAK_ASSERT);
@@ -208,6 +211,7 @@ void MiscellaneousMenu_SaveSettings(void)
configData.bootConfig = bootConfig;
configData.hbldr3dsxTitleId = HBLDR_3DSX_TID;
configData.rosalinaMenuCombo = menuCombo;
configData.rosalinaFlags = PluginLoader__IsEnabled();
FS_ArchiveID archiveId = isSdMode ? ARCHIVE_SDMC : ARCHIVE_NAND_RW;
res = IFile_Open(&file, archiveId, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, "/luma/config.bin"), FS_OPEN_CREATE | FS_OPEN_WRITE);
@@ -215,6 +219,14 @@ void MiscellaneousMenu_SaveSettings(void)
if(R_SUCCEEDED(res))
res = IFile_Write(&file, &total, &configData, sizeof(configData), 0);
IFile_Close(&file);
return res;
}
void MiscellaneousMenu_SaveSettings(void)
{
Result res = SaveSettings();
Draw_Lock();
Draw_ClearFramebuffer();
Draw_FlushFramebuffer();

View File

@@ -223,8 +223,8 @@ static void ProcessListMenu_MemoryViewer(const ProcessInfo *info)
svcQueryProcessMemory(&mem, &out, processHandle, heapStartAddress);
heapTotalSize = mem.size;
Result codeRes = svcMapProcessMemoryEx(processHandle, codeDestAddress, codeStartAddress, codeTotalSize);
Result heapRes = svcMapProcessMemoryEx(processHandle, heapDestAddress, heapStartAddress, heapTotalSize);
Result codeRes = svcMapProcessMemoryEx(CUR_PROCESS_HANDLE, codeDestAddress, processHandle, codeStartAddress, codeTotalSize);
Result heapRes = svcMapProcessMemoryEx(CUR_PROCESS_HANDLE, heapDestAddress, processHandle, heapStartAddress, heapTotalSize);
bool codeAvailable = R_SUCCEEDED(codeRes);
bool heapAvailable = R_SUCCEEDED(heapRes);
@@ -565,9 +565,9 @@ static void ProcessListMenu_MemoryViewer(const ProcessInfo *info)
}
if(codeAvailable)
svcUnmapProcessMemoryEx(processHandle, codeDestAddress, codeTotalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, codeDestAddress, codeTotalSize);
if(heapAvailable)
svcUnmapProcessMemoryEx(processHandle, heapDestAddress, heapTotalSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, heapDestAddress, heapTotalSize);
svcCloseHandle(processHandle);
}

View File

@@ -105,12 +105,12 @@ static u32 ProcessPatchesMenu_PatchUnpatchProcessByName(const char *name, Result
s64 textTotalRoundedSize = 0, startAddress = 0;
svcGetProcessInfo(&textTotalRoundedSize, processHandle, 0x10002); // only patch .text
svcGetProcessInfo(&startAddress, processHandle, 0x10005);
if(R_FAILED(res = svcMapProcessMemoryEx(processHandle, 0x00100000, (u32) startAddress, textTotalRoundedSize)))
if(R_FAILED(res = svcMapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, processHandle, (u32) startAddress, textTotalRoundedSize)))
return res;
res = func(textTotalRoundedSize);
svcUnmapProcessMemoryEx(processHandle, 0x00100000, textTotalRoundedSize);
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, 0x00100000, textTotalRoundedSize);
return res;
}

View File

@@ -0,0 +1,143 @@
#include <3ds.h>
#include "plgldr.h"
#include <string.h>
static Handle plgLdrHandle;
static int plgLdrRefCount;
Result plgLdrInit(void)
{
Result res = 0;
if (AtomicPostIncrement(&plgLdrRefCount) == 0)
res = svcConnectToPort(&plgLdrHandle, "plg:ldr");
if (R_FAILED(res))
AtomicDecrement(&plgLdrRefCount);
return res;
}
void plgLdrExit(void)
{
if (AtomicDecrement(&plgLdrRefCount))
return;
svcCloseHandle(plgLdrHandle);
}
Result PLGLDR__IsPluginLoaderEnabled(bool *isEnabled)
{
Result res = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(2, 0, 0);
if (R_SUCCEEDED((res = svcSendSyncRequest(plgLdrHandle))))
{
res = cmdbuf[1];
*isEnabled = cmdbuf[2];
}
return res;
}
Result PLGLDR__SetPluginLoaderState(bool enabled)
{
Result res = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(3, 1, 0);
cmdbuf[1] = (u32)enabled;
if (R_SUCCEEDED((res = svcSendSyncRequest(plgLdrHandle))))
{
res = cmdbuf[1];
}
return res;
}
Result PLGLDR__SetPluginLoadParameters(PluginLoadParameters *parameters)
{
Result res = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(4, 2, 4);
cmdbuf[1] = (u32)parameters->noFlash;
cmdbuf[2] = parameters->lowTitleId;
cmdbuf[3] = IPC_Desc_Buffer(256, IPC_BUFFER_R);
cmdbuf[4] = (u32)parameters->path;
cmdbuf[5] = IPC_Desc_Buffer(32 * sizeof(u32), IPC_BUFFER_R);
cmdbuf[6] = (u32)parameters->config;
if (R_SUCCEEDED((res = svcSendSyncRequest(plgLdrHandle))))
{
res = cmdbuf[1];
}
return res;
}
Result PLGLDR__DisplayMenu(PluginMenu *menu)
{
Result res = 0;
u32 nbItems = menu->nbItems;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(5, 1, 8);
cmdbuf[1] = nbItems;
cmdbuf[2] = IPC_Desc_Buffer(nbItems, IPC_BUFFER_RW);
cmdbuf[3] = (u32)menu->states;
cmdbuf[4] = IPC_Desc_Buffer(MAX_BUFFER, IPC_BUFFER_R);
cmdbuf[5] = (u32)menu->title;
cmdbuf[6] = IPC_Desc_Buffer(MAX_BUFFER * nbItems, IPC_BUFFER_R);
cmdbuf[7] = (u32)menu->items;
cmdbuf[8] = IPC_Desc_Buffer(MAX_BUFFER * nbItems, IPC_BUFFER_R);
cmdbuf[9] = (u32)menu->hints;
if (R_SUCCEEDED((res = svcSendSyncRequest(plgLdrHandle))))
{
res = cmdbuf[1];
}
return res;
}
Result PLGLDR__DisplayMessage(const char *title, const char *body)
{
Result res = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(6, 0, 4);
cmdbuf[1] = IPC_Desc_Buffer(strlen(title), IPC_BUFFER_R);
cmdbuf[2] = (u32)title;
cmdbuf[3] = IPC_Desc_Buffer(strlen(body), IPC_BUFFER_R);
cmdbuf[4] = (u32)body;
if (R_SUCCEEDED((res = svcSendSyncRequest(plgLdrHandle))))
{
res = cmdbuf[1];
}
return res;
}
Result PLGLDR__DisplayErrMessage(const char *title, const char *body, u32 error)
{
Result res = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(7, 1, 4);
cmdbuf[1] = error;
cmdbuf[2] = IPC_Desc_Buffer(strlen(title), IPC_BUFFER_R);
cmdbuf[3] = (u32)title;
cmdbuf[4] = IPC_Desc_Buffer(strlen(body), IPC_BUFFER_R);
cmdbuf[5] = (u32)body;
if (R_SUCCEEDED((res = svcSendSyncRequest(plgLdrHandle))))
{
res = cmdbuf[1];
}
return res;
}

View File

@@ -0,0 +1,599 @@
#include <3ds.h>
#include "3gx.h"
#include "ifile.h"
#include "utils.h" // for makeARMBranch
#include "plgloader.h"
#include "fmt.h"
#include "menu.h"
#include "menus.h"
#include "memory.h"
#include "sleep.h"
#define MEMPERM_RW (MEMPERM_READ | MEMPERM_WRITE)
#define MemBlockSize (5*1024*1024) /* 5 MiB */
typedef struct
{
Result code;
const char * message;
} Error;
typedef struct
{
bool isEnabled;
bool noFlash;
u32 titleid;
char path[256];
u32 config[32];
} PluginLoadParameters;
#define HeaderMagic (0x24584733) /* "3GX$" */
typedef struct
{
u32 magic;
u32 version;
u32 heapVA;
u32 heapSize;
u32 pluginSize;
const char* pluginPathPA;
u32 isDefaultPlugin;
u32 reserved[25];
u32 config[32];
} PluginHeader;
static bool g_isEnabled;
static u8 * g_memBlock;
static char g_path[256];
static Handle g_process = 0;
static u32 g_codeSize;
static u32 g_heapSize;
static Error g_error;
static PluginLoadParameters g_userDefinedLoadParameters;
static MyThread g_pluginLoaderThread;
static u8 ALIGN(8) g_pluginLoaderThreadStack[0x4000];
// pluginLoader.s
void gamePatchFunc(void);
void PluginLoader__ThreadMain(void);
MyThread * PluginLoader__CreateThread(void)
{
s64 out;
svcGetSystemInfo(&out, 0x10000, 0x102);
g_isEnabled = out & 1;
g_userDefinedLoadParameters.isEnabled = false;
if(R_FAILED(MyThread_Create(&g_pluginLoaderThread, PluginLoader__ThreadMain, g_pluginLoaderThreadStack, 0x4000, 20, CORE_SYSTEM)))
svcBreak(USERBREAK_PANIC);
return &g_pluginLoaderThread;
}
bool PluginLoader__IsEnabled(void)
{
return g_isEnabled;
}
void PluginLoader__MenuCallback(void)
{
g_isEnabled = !g_isEnabled;
SaveSettings();
PluginLoader__UpdateMenu();
}
void PluginLoader__UpdateMenu(void)
{
static const char *status[2] =
{
"Plugin Loader: [Disabled]",
"Plugin Loader: [Enabled]"
};
rosalinaMenu.items[isN3DS + 1].title = status[g_isEnabled];
}
static Result MapPluginInProcess(Handle proc, u32 size)
{
u32 heapsize = MemBlockSize - size;
Result res;
PluginHeader *header = (PluginHeader *)g_memBlock;
header->heapVA = 0x06000000;
g_heapSize = header->heapSize = heapsize;
g_codeSize = size;
// From now on, all memory page mapped to the process should be rwx
svcControlProcess(proc, PROCESSOP_SET_MMU_TO_RWX, 0, 0);
// Plugin
if (R_FAILED((res = svcMapProcessMemoryEx(proc, 0x07000000, CUR_PROCESS_HANDLE, (u32)g_memBlock, size))))
{
g_error.message = "Couldn't map plugin memory block";
g_error.code = res;
return res;
}
// Heap (to be used by the plugin)
if (R_FAILED((res = svcMapProcessMemoryEx(proc, 0x06000000, CUR_PROCESS_HANDLE, (u32)g_memBlock + size, heapsize))))
{
g_error.message = "Couldn't map heap memory block";
g_error.code = res;
goto exit;
}
// Clear heap section
memset32(g_memBlock + size, 0, heapsize);
exit:
return res;
}
static u32 strlen16(const u16 *str)
{
u32 size = 0;
while (str && *str++) ++size;
return size;
}
static Result FindPluginFile(u64 tid)
{
char filename[256];
u32 entriesNb = 0;
bool found = false;
Handle dir = 0;
Result res;
FS_Archive sdmcArchive = 0;
FS_DirectoryEntry entries[10];
sprintf(g_path, "/luma/plugins/%016llX", tid);
if (R_FAILED((res =FSUSER_OpenArchive(&sdmcArchive, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY, "")))))
goto exit;
if (R_FAILED((res = FSUSER_OpenDirectory(&dir, sdmcArchive, fsMakePath(PATH_ASCII, g_path)))))
goto exit;
strcat(g_path, "/");
while (!found && R_SUCCEEDED(FSDIR_Read(dir, &entriesNb, 10, entries)))
{
if (entriesNb == 0)
break;
static const u16 * validExtension = u"3gx";
for (u32 i = 0; i < entriesNb; ++i)
{
FS_DirectoryEntry *entry = &entries[i];
// If entry is a folder, skip it
if (entry->attributes & 1)
continue;
// Check extension
u32 size = strlen16(entry->name);
if (size <= 5)
continue;
u16 *fileExt = entry->name + size - 3;
if (memcmp(fileExt, validExtension, 3 * sizeof(u16)))
continue;
// Convert name from utf16 to utf8
int units = utf16_to_utf8((u8 *)filename, entry->name, 100);
if (units == -1)
continue;
filename[units] = 0;
found = true;
break;
}
}
if (!found)
res = MAKERESULT(28, 4, 0, 1018);
else
{
u32 len = strlen(g_path);
filename[256 - len] = 0;
strcat(g_path, filename);
}
((PluginHeader *)g_memBlock)->pluginPathPA = PA_FROM_VA_PTR(g_path);
exit:
FSDIR_Close(dir);
FSUSER_CloseArchive(sdmcArchive);
return res;
}
static Result OpenFile(IFile *file, const char *path)
{
return IFile_Open(file, ARCHIVE_SDMC, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, path), FS_OPEN_READ);
}
static Result CheckPluginCompatibility(_3gx_Header *header, u32 processTitle)
{
static char errorBuf[0x100];
if (header->targets.count == 0)
return 0;
for (u32 i = 0; i < header->targets.count; ++i)
{
if (header->targets.titles[i] == processTitle)
return 0;
}
sprintf(errorBuf, "The plugin - %s -\nis not compatible with this game.\n" \
"Contact \"%s\" for more infos.", header->infos.titleMsg, header->infos.authorMsg);
g_error.message = errorBuf;
return -1;
}
static bool TryToLoadPlugin(Handle process)
{
u64 fileSize;
u64 tid;
u32 procStart = 0x00100000;
IFile plugin;
PluginHeader *hdr = (PluginHeader *)g_memBlock;
_3gx_Header *header;
Result res;
// Clear the memblock
memset32(g_memBlock, 0, MemBlockSize);
hdr->magic = HeaderMagic;
// Get title id
svcGetProcessInfo((s64 *)&tid, process, 0x10001);
if (R_FAILED((res = svcMapProcessMemoryEx(CUR_PROCESS_HANDLE, procStart, process, procStart, 0x1000))))
{
g_error.message = "Couldn't map process";
g_error.code = res;
return false;
}
// Try to open plugin file
if (g_userDefinedLoadParameters.isEnabled && (u32)tid == g_userDefinedLoadParameters.titleid)
{
g_userDefinedLoadParameters.isEnabled = false;
if (OpenFile(&plugin, g_userDefinedLoadParameters.path))
goto exitFail;
hdr->pluginPathPA = PA_FROM_VA_PTR(g_userDefinedLoadParameters.path);
memcpy(hdr->config, g_userDefinedLoadParameters.config, 32 * sizeof(u32));
}
else
{
if (R_FAILED(FindPluginFile(tid)) || OpenFile(&plugin, g_path))
{
// Try to open default plugin
const char *defaultPath = "/luma/plugins/default.3gx";
if (OpenFile(&plugin, defaultPath))
goto exitFail;
hdr->isDefaultPlugin = 1;
hdr->pluginPathPA = PA_FROM_VA_PTR(defaultPath);
}
}
if (R_FAILED((res = IFile_GetSize(&plugin, &fileSize))))
g_error.message = "Couldn't get file size";
// Plugins will rarely exceed 1MB so this is fine
header = (_3gx_Header *)(g_memBlock + MemBlockSize - (u32)fileSize);
// Read header
if (!res && R_FAILED((res = Read_3gx_Header(&plugin, header))))
g_error.message = "Couldn't read file";
// Check titles compatibility
if (!res) res = CheckPluginCompatibility(header, (u32)tid);
// Read code
if (!res && R_FAILED(res = Read_3gx_Code(&plugin, header, g_memBlock + sizeof(PluginHeader))))
g_error.message = "Couldn't read plugin's code";
// Close file
IFile_Close(&plugin);
if (R_FAILED(res))
{
g_error.code = res;
goto exitFail;
}
hdr->version = header->version;
// Code size must be page aligned
fileSize = (header->codeSize + 0x1100) & ~0xFFF;
if (MapPluginInProcess(process, fileSize) == 0)
// Install hook
{
extern u32 g_savedGameInstr[2];
u32 *game = (u32 *)procStart;
g_savedGameInstr[0] = game[0];
g_savedGameInstr[1] = game[1];
game[0] = 0xE51FF004; // ldr pc, [pc, #-4]
game[1] = (u32)PA_FROM_VA_PTR(gamePatchFunc);
}
else
goto exitFail;
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, procStart, 0x1000);
return true;
exitFail:
svcUnmapProcessMemoryEx(CUR_PROCESS_HANDLE, procStart, 0x1000);
return false;
}
static void SetKernelConfigurationMemoryFlag(bool loaded)
{
u32 *flag = (u32 *)PA_FROM_VA_PTR(0x1FF800F0);
*flag = loaded;
}
static void PluginLoader_HandleCommands(void)
{
u32 *cmdbuf = getThreadCommandBuffer();
switch (cmdbuf[0] >> 16)
{
case 1: // Load plugin
{
if (cmdbuf[0] != IPC_MakeHeader(1, 0, 2))
{
error(cmdbuf, 0xD9001830);
break;
}
Handle process = cmdbuf[2];
if (g_isEnabled && TryToLoadPlugin(process))
{
if (!g_userDefinedLoadParameters.isEnabled && g_userDefinedLoadParameters.noFlash)
g_userDefinedLoadParameters.noFlash = false;
else
{
for (u32 i = 0; i < 64; i++)
{
REG32(0x10202204) = 0x01FF9933;
svcSleepThread(5000000);
}
REG32(0x10202204) = 0;
}
g_process = process;
}
else
svcCloseHandle(process);
cmdbuf[0] = IPC_MakeHeader(1, 1, 0);
cmdbuf[1] = 0;
break;
}
case 2: // Check if plugin loader is enabled
{
if (cmdbuf[0] != IPC_MakeHeader(2, 0, 0))
{
error(cmdbuf, 0xD9001830);
break;
}
cmdbuf[0] = IPC_MakeHeader(2, 2, 0);
cmdbuf[1] = 0;
cmdbuf[2] = (u32)g_isEnabled;
break;
}
case 3: // Enable / Disable plugin loader
{
if (cmdbuf[0] != IPC_MakeHeader(3, 1, 0))
{
error(cmdbuf, 0xD9001830);
break;
}
if (cmdbuf[1] != g_isEnabled)
{
g_isEnabled = cmdbuf[1];
SaveSettings();
}
cmdbuf[0] = IPC_MakeHeader(3, 1, 0);
cmdbuf[1] = 0;
break;
}
case 4: // Define next plugin load settings
{
if (cmdbuf[0] != IPC_MakeHeader(4, 2, 4))
{
error(cmdbuf, 0xD9001830);
break;
}
g_userDefinedLoadParameters.isEnabled = true;
g_userDefinedLoadParameters.noFlash = cmdbuf[1];
g_userDefinedLoadParameters.titleid = cmdbuf[2];
strncpy(g_userDefinedLoadParameters.path, (const char *)cmdbuf[4], 255);
memcpy(g_userDefinedLoadParameters.config, (void *)cmdbuf[6], 32 * sizeof(u32));
cmdbuf[0] = IPC_MakeHeader(4, 1, 0);
cmdbuf[1] = 0;
break;
}
case 5: // Display menu
{
if (cmdbuf[0] != IPC_MakeHeader(5, 1, 8))
{
error(cmdbuf, 0xD9001830);
break;
}
u32 nbItems = cmdbuf[1];
u32 states = cmdbuf[3];
DisplayPluginMenu(cmdbuf);
cmdbuf[0] = IPC_MakeHeader(5, 1, 2);
cmdbuf[1] = 0;
cmdbuf[2] = IPC_Desc_Buffer(nbItems, IPC_BUFFER_RW);
cmdbuf[3] = states;
break;
}
case 6: // Display message
{
if (cmdbuf[0] != IPC_MakeHeader(6, 0, 4))
{
error(cmdbuf, 0xD9001830);
break;
}
const char *title = (const char *)cmdbuf[2];
const char *body = (const char *)cmdbuf[4];
DispMessage(title, body);
cmdbuf[0] = IPC_MakeHeader(6, 1, 0);
cmdbuf[1] = 0;
break;
}
case 7: // Display error message
{
if (cmdbuf[0] != IPC_MakeHeader(7, 1, 4))
{
error(cmdbuf, 0xD9001830);
break;
}
const char *title = (const char *)cmdbuf[3];
const char *body = (const char *)cmdbuf[5];
DispErrMessage(title, body, cmdbuf[1]);
cmdbuf[0] = IPC_MakeHeader(7, 1, 0);
cmdbuf[1] = 0;
break;
}
}
}
void PluginLoader__ThreadMain(void)
{
const char *title = "Plugin loader";
Result res = 0;
MemOp memRegion = isN3DS ? MEMOP_REGION_BASE : MEMOP_REGION_SYSTEM;
Handle handles[3];
Handle serverHandle, clientHandle, sessionHandle = 0;
u32 *cmdbuf = getThreadCommandBuffer();
u32 replyTarget = 0;
u32 nbHandle;
s32 index;
// Wait for the system to be completely started
{
bool isAcuRegistered = false;
while (true)
{
if (R_SUCCEEDED(srvIsServiceRegistered(&isAcuRegistered, "ac:u"))
&& isAcuRegistered)
break;
svcSleepThread(100000);
}
}
// Init memory block to hold the plugin
{
u32 free = (u32)osGetMemRegionFree(memRegion);
u32 temp = 0;
svcControlMemoryEx(&temp, 0x00100000, 0, free - MemBlockSize, memRegion | MEMOP_ALLOC, MEMPERM_RW, true);
if (R_FAILED((res = svcControlMemoryEx((u32 *)&g_memBlock, 0x07000000, 0, MemBlockSize, memRegion | MEMOP_ALLOC, MEMPERM_RW, true))))
{
svcSleepThread(5000000000ULL); ///< Wait until the system started to display the error
DispErrMessage(title, "Couldn't allocate memblock", res);
return;
}
svcControlMemoryEx(&temp, (u32)temp, 0, MemBlockSize, memRegion | MEMOP_FREE, 0, true);
}
assertSuccess(svcCreatePort(&serverHandle, &clientHandle, "plg:ldr", 1));
do
{
g_error.message = NULL;
g_error.code = 0;
handles[0] = serverHandle;
handles[1] = sessionHandle == 0 ? g_process : sessionHandle;
handles[2] = g_process;
if(replyTarget == 0) // k11
cmdbuf[0] = 0xFFFF0000;
nbHandle = 1 + (sessionHandle != 0) + (g_process != 0);
res = svcReplyAndReceive(&index, handles, nbHandle, replyTarget);
if(R_FAILED(res))
{
if((u32)res == 0xC920181A) // session closed by remote
{
svcCloseHandle(sessionHandle);
sessionHandle = 0;
replyTarget = 0;
}
else
svcBreak(USERBREAK_PANIC);
}
else
{
if(index == 0)
{
Handle session;
assertSuccess(svcAcceptSession(&session, serverHandle));
if(sessionHandle == 0)
sessionHandle = session;
else
svcCloseHandle(session);
}
else if (index == 1 && handles[1] == sessionHandle)
{
PluginLoader_HandleCommands();
replyTarget = sessionHandle;
}
else ///< The process in which we injected the plugin is terminating
{
// Unmap plugin's memory before closing the process
svcUnmapProcessMemoryEx(g_process, 0x07000000, g_codeSize);
svcUnmapProcessMemoryEx(g_process, 0x06000000, g_heapSize);
svcCloseHandle(g_process);
g_process = 0;
}
}
if (g_error.message != NULL)
DispErrMessage(title, g_error.message, g_error.code);
SetKernelConfigurationMemoryFlag(g_process != 0);
} while(!terminationRequest);
svcCloseHandle(sessionHandle);
svcCloseHandle(clientHandle);
svcCloseHandle(serverHandle);
svcControlMemoryEx((u32 *)&g_memBlock, (u32)g_memBlock, 0, MemBlockSize, memRegion | MEMOP_FREE, 0, true);
}

View File

@@ -0,0 +1,33 @@
.section .data
.balign 4
.arm
.global gamePatchFunc
.type gamePatchFunc, %function
gamePatchFunc:
stmfd sp!, {r0-r12, lr}
mrs r0, cpsr
stmfd sp!, {r0}
adr r0, g_savedGameInstr
ldr r1, =0x00100000
ldr r2, [r0]
str r2, [r1]
ldr r2, [r0, #4]
str r2, [r1, #4]
svc 0x92
svc 0x94
startplugin:
ldr r5, =0x07000100
blx r5
exit:
ldmfd sp!, {r0}
msr cpsr, r0
ldmfd sp!, {r0-r12, lr}
ldr lr, =0x00100000
mov pc, lr
.global g_savedGameInstr
g_savedGameInstr:
.word 0, 0

View File

@@ -55,7 +55,6 @@ bool Sleep__Status(void)
if (g_isSleeping)
{
LightEvent_Wait(&g_onWakeUpEvent);
svcSleepThread(1000000000ULL);
return true;
}
return false;

View File

@@ -19,6 +19,14 @@ static bool doPublishNotification(ProcessData *processData, u32 notificationId,
}
}
// Handle special case for home button notifications on Mode3 O3DS with plugin loaded
if ((notificationId == 0x204 || notificationId == 0x205)
&& *(u32 *)0x1FF80030 == 3 && *(u32 *)0x1FF800F0)
{
svcKernelSetState(0x10007, 1);
return true;
}
if(processData->nbPendingNotifications < 0x10)
{
s32 count;