448 lines
14 KiB
C
448 lines
14 KiB
C
#include <3ds.h>
|
|
#include "memory.h"
|
|
#include "patcher.h"
|
|
#include "ifile.h"
|
|
#include "util.h"
|
|
#include "hbldr.h"
|
|
#include "luma_shared_config.h"
|
|
|
|
extern u32 config, multiConfig, bootConfig;
|
|
extern bool isN3DS, isSdMode;
|
|
|
|
static u8 g_ret_buf[sizeof(ExHeader_Info)];
|
|
static u64 g_cached_programHandle;
|
|
static ExHeader_Info g_exheaderInfo;
|
|
|
|
const char CODE_PATH[] = {0x01, 0x00, 0x00, 0x00, 0x2E, 0x63, 0x6F, 0x64, 0x65, 0x00, 0x00, 0x00};
|
|
|
|
typedef struct prog_addrs_t
|
|
{
|
|
u32 text_addr;
|
|
u32 text_size;
|
|
u32 ro_addr;
|
|
u32 ro_size;
|
|
u32 data_addr;
|
|
u32 data_size;
|
|
u32 total_size;
|
|
} prog_addrs_t;
|
|
|
|
static int lzss_decompress(u8 *end)
|
|
{
|
|
unsigned int v1; // r1@2
|
|
u8 *v2; // r2@2
|
|
u8 *v3; // r3@2
|
|
u8 *v4; // r1@2
|
|
char v5; // r5@4
|
|
char v6; // t1@4
|
|
signed int v7; // r6@4
|
|
int v9; // t1@7
|
|
u8 *v11; // r3@8
|
|
int v12; // r12@8
|
|
int v13; // t1@8
|
|
int v14; // t1@8
|
|
unsigned int v15; // r7@8
|
|
int v16; // r12@8
|
|
int ret;
|
|
|
|
ret = 0;
|
|
if ( end )
|
|
{
|
|
v1 = *((u32 *)end - 2);
|
|
v2 = &end[*((u32 *)end - 1)];
|
|
v3 = &end[-(v1 >> 24)];
|
|
v4 = &end[-(v1 & 0xFFFFFF)];
|
|
while ( v3 > v4 )
|
|
{
|
|
v6 = *(v3-- - 1);
|
|
v5 = v6;
|
|
v7 = 8;
|
|
while ( 1 )
|
|
{
|
|
if ( (v7-- < 1) )
|
|
break;
|
|
if ( v5 & 0x80 )
|
|
{
|
|
v13 = *(v3 - 1);
|
|
v11 = v3 - 1;
|
|
v12 = v13;
|
|
v14 = *(v11 - 1);
|
|
v3 = v11 - 1;
|
|
v15 = ((v14 | (v12 << 8)) & 0xFFFF0FFF) + 2;
|
|
v16 = v12 + 32;
|
|
do
|
|
{
|
|
ret = v2[v15];
|
|
*(v2-- - 1) = ret;
|
|
v16 -= 16;
|
|
}
|
|
while ( !(v16 < 0) );
|
|
}
|
|
else
|
|
{
|
|
v9 = *(v3-- - 1);
|
|
ret = v9;
|
|
*(v2-- - 1) = v9;
|
|
}
|
|
v5 *= 2;
|
|
if ( v3 <= v4 )
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static inline bool hbldrIs3dsxTitle(u64 tid)
|
|
{
|
|
return Luma_SharedConfig->use_hbldr && tid == Luma_SharedConfig->hbldr_3dsx_tid;
|
|
}
|
|
|
|
static Result allocateSharedMem(prog_addrs_t *shared, prog_addrs_t *vaddr, int flags)
|
|
{
|
|
u32 dummy;
|
|
|
|
memcpy(shared, vaddr, sizeof(prog_addrs_t));
|
|
shared->text_addr = 0x10000000;
|
|
shared->ro_addr = shared->text_addr + (shared->text_size << 12);
|
|
shared->data_addr = shared->ro_addr + (shared->ro_size << 12);
|
|
return svcControlMemory(&dummy, shared->text_addr, 0, shared->total_size << 12, (flags & 0xF00) | MEMOP_ALLOC, MEMPERM_READ | MEMPERM_WRITE);
|
|
}
|
|
|
|
static Result loadCode(u64 titleId, prog_addrs_t *shared, u64 programHandle, int isCompressed)
|
|
{
|
|
IFile file;
|
|
FS_Path archivePath;
|
|
FS_Path filePath;
|
|
u64 size;
|
|
u64 total;
|
|
|
|
if(!CONFIG(PATCHGAMES) || !loadTitleCodeSection(titleId, (u8 *)shared->text_addr, (u64)shared->total_size << 12))
|
|
{
|
|
archivePath.type = PATH_BINARY;
|
|
archivePath.data = &programHandle;
|
|
archivePath.size = 8;
|
|
|
|
filePath.type = PATH_BINARY;
|
|
filePath.data = CODE_PATH;
|
|
filePath.size = sizeof(CODE_PATH);
|
|
if (R_FAILED(IFile_Open(&file, ARCHIVE_SAVEDATA_AND_CONTENT2, archivePath, filePath, FS_OPEN_READ)))
|
|
svcBreak(USERBREAK_ASSERT);
|
|
|
|
// get file size
|
|
assertSuccess(IFile_GetSize(&file, &size));
|
|
|
|
// check size
|
|
if (size > (u64)shared->total_size << 12)
|
|
{
|
|
IFile_Close(&file);
|
|
return 0xC900464F;
|
|
}
|
|
|
|
// read code
|
|
assertSuccess(IFile_Read(&file, &total, (void *)shared->text_addr, size));
|
|
IFile_Close(&file); // done reading
|
|
|
|
// decompress
|
|
if (isCompressed)
|
|
lzss_decompress((u8 *)shared->text_addr + size);
|
|
}
|
|
|
|
ExHeader_CodeSetInfo *csi = &g_exheaderInfo.sci.codeset_info;
|
|
|
|
patchCode(titleId, csi->flags.remaster_version, (u8 *)shared->text_addr, shared->total_size << 12, csi->text.size, csi->rodata.size, csi->data.size, csi->rodata.address, csi->data.address);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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 GetProgramInfo(ExHeader_Info *exheaderInfo, u64 programHandle)
|
|
{
|
|
Result res = 0;
|
|
|
|
if (programHandle >> 32 == 0xFFFF0000)
|
|
res = FSREG_GetProgramInfo(exheaderInfo, 1, programHandle);
|
|
else
|
|
{
|
|
res = FSREG_CheckHostLoadId(programHandle);
|
|
//if ((res >= 0 && (unsigned)res >> 27) || (res < 0 && ((unsigned)res >> 27)-32))
|
|
//so use PXIPM if FSREG fails OR returns "info", is the second condition a bug?
|
|
if (R_FAILED(res) || (R_SUCCEEDED(res) && R_LEVEL(res) != RL_SUCCESS))
|
|
{
|
|
TRY(PXIPM_GetProgramInfo(exheaderInfo, programHandle));
|
|
}
|
|
else
|
|
{
|
|
TRY(FSREG_GetProgramInfo(exheaderInfo, 1, programHandle));
|
|
}
|
|
}
|
|
|
|
// Tweak 3dsx placeholder title exheaderInfo
|
|
if (hbldrIs3dsxTitle(exheaderInfo->aci.local_caps.title_id))
|
|
{
|
|
assertSuccess(hbldrInit());
|
|
HBLDR_PatchExHeaderInfo(exheaderInfo);
|
|
hbldrExit();
|
|
}
|
|
else
|
|
{
|
|
u64 originaltitleId = exheaderInfo->aci.local_caps.title_id;
|
|
if(CONFIG(PATCHGAMES) && loadTitleExheaderInfo(exheaderInfo->aci.local_caps.title_id, exheaderInfo))
|
|
exheaderInfo->aci.local_caps.title_id = originaltitleId;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static Result LoadProcess(Handle *process, u64 programHandle)
|
|
{
|
|
Result res;
|
|
int count;
|
|
u32 flags;
|
|
u32 desc;
|
|
u32 dummy;
|
|
prog_addrs_t sharedAddr;
|
|
prog_addrs_t vaddr;
|
|
Handle codeset;
|
|
CodeSetInfo codesetinfo;
|
|
u32 dataMemSize;
|
|
u64 titleId;
|
|
|
|
// make sure the cached info corrosponds to the current programHandle
|
|
if (g_cached_programHandle != programHandle || hbldrIs3dsxTitle(g_exheaderInfo.aci.local_caps.title_id))
|
|
{
|
|
res = GetProgramInfo(&g_exheaderInfo, programHandle);
|
|
g_cached_programHandle = programHandle;
|
|
if (R_FAILED(res))
|
|
{
|
|
g_cached_programHandle = 0;
|
|
return res;
|
|
}
|
|
}
|
|
|
|
// get kernel flags
|
|
flags = 0;
|
|
for (count = 0; count < 28; count++)
|
|
{
|
|
desc = g_exheaderInfo.aci.kernel_caps.descriptors[count];
|
|
if (0x1FE == desc >> 23)
|
|
flags = desc & 0xF00;
|
|
}
|
|
if (flags == 0)
|
|
return MAKERESULT(RL_PERMANENT, RS_INVALIDARG, 1, 2);
|
|
|
|
// check for 3dsx process
|
|
titleId = g_exheaderInfo.aci.local_caps.title_id;
|
|
ExHeader_CodeSetInfo *csi = &g_exheaderInfo.sci.codeset_info;
|
|
|
|
if (hbldrIs3dsxTitle(titleId))
|
|
{
|
|
assertSuccess(hbldrInit());
|
|
assertSuccess(HBLDR_LoadProcess(&codeset, csi->text.address, flags & 0xF00, titleId, csi->name));
|
|
res = svcCreateProcess(process, codeset, g_exheaderInfo.aci.kernel_caps.descriptors, count);
|
|
svcCloseHandle(codeset);
|
|
hbldrExit();
|
|
return res;
|
|
}
|
|
|
|
// allocate process memory
|
|
vaddr.text_addr = csi->text.address;
|
|
vaddr.text_size = (csi->text.size + 4095) >> 12;
|
|
vaddr.ro_addr = csi->rodata.address;
|
|
vaddr.ro_size = (csi->rodata.size + 4095) >> 12;
|
|
vaddr.data_addr = csi->data.address;
|
|
vaddr.data_size = (csi->data.size + 4095) >> 12;
|
|
dataMemSize = (csi->data.size + csi->bss_size + 4095) >> 12;
|
|
vaddr.total_size = vaddr.text_size + vaddr.ro_size + vaddr.data_size;
|
|
TRY(allocateSharedMem(&sharedAddr, &vaddr, flags));
|
|
|
|
// load code
|
|
if (R_SUCCEEDED(res = loadCode(titleId, &sharedAddr, programHandle, csi->flags.compress_exefs_code)))
|
|
{
|
|
u32 *code = (u32 *)sharedAddr.text_addr;
|
|
bool isHomebrew = code[0] == 0xEA000006 && code[8] == 0xE1A0400E;
|
|
|
|
memcpy(&codesetinfo.name, csi->name, 8);
|
|
codesetinfo.program_id = titleId;
|
|
codesetinfo.text_addr = vaddr.text_addr;
|
|
codesetinfo.text_size = vaddr.text_size;
|
|
codesetinfo.text_size_total = vaddr.text_size;
|
|
codesetinfo.ro_addr = vaddr.ro_addr;
|
|
codesetinfo.ro_size = vaddr.ro_size;
|
|
codesetinfo.ro_size_total = vaddr.ro_size;
|
|
codesetinfo.rw_addr = vaddr.data_addr;
|
|
codesetinfo.rw_size = vaddr.data_size;
|
|
codesetinfo.rw_size_total = dataMemSize;
|
|
res = svcCreateCodeSet(&codeset, &codesetinfo, (void *)sharedAddr.text_addr, (void *)sharedAddr.ro_addr, (void *)sharedAddr.data_addr);
|
|
if (R_SUCCEEDED(res))
|
|
{
|
|
res = svcCreateProcess(process, codeset, g_exheaderInfo.aci.kernel_caps.descriptors, count);
|
|
svcCloseHandle(codeset);
|
|
if (res >= 0)
|
|
{
|
|
// Try to load a plugin for the game
|
|
if (!isHomebrew && ((u32)((titleId >> 0x20) & 0xFFFFFFEDULL) == 0x00040000))
|
|
{
|
|
// Special case handling: games rebooting the 3DS on old models
|
|
if (!isN3DS && g_exheaderInfo.aci.local_caps.core_info.o3ds_system_mode > 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
svcControlMemory(&dummy, sharedAddr.text_addr, 0, sharedAddr.total_size << 12, MEMOP_FREE, 0);
|
|
return res;
|
|
}
|
|
|
|
static Result RegisterProgram(u64 *programHandle, FS_ProgramInfo *title, FS_ProgramInfo *update)
|
|
{
|
|
Result res;
|
|
u64 titleId;
|
|
|
|
titleId = title->programId;
|
|
if (titleId >> 32 != 0xFFFF0000)
|
|
{
|
|
res = FSREG_CheckHostLoadId(titleId);
|
|
//if ((res >= 0 && (unsigned)res >> 27) || (res < 0 && ((unsigned)res >> 27)-32))
|
|
if (R_FAILED(res) || (R_SUCCEEDED(res) && R_LEVEL(res) != RL_SUCCESS))
|
|
{
|
|
TRY(PXIPM_RegisterProgram(programHandle, title, update));
|
|
if (*programHandle >> 32 != 0xFFFF0000)
|
|
{
|
|
res = FSREG_CheckHostLoadId(*programHandle);
|
|
//if ((res >= 0 && (unsigned)res >> 27) || (res < 0 && ((unsigned)res >> 27)-32))
|
|
if (R_FAILED(res) || (R_SUCCEEDED(res) && R_LEVEL(res) != RL_SUCCESS))
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
panic(0);
|
|
}
|
|
}
|
|
|
|
if ((title->mediaType != update->mediaType) || (titleId != update->programId))
|
|
panic(1);
|
|
|
|
TRY(FSREG_LoadProgram(programHandle, title));
|
|
if (*programHandle >> 32 == 0xFFFF0000)
|
|
return 0;
|
|
|
|
res = FSREG_CheckHostLoadId(*programHandle);
|
|
//if ((res >= 0 && (unsigned)res >> 27) || (res < 0 && ((unsigned)res >> 27)-32))
|
|
if (R_FAILED(res) || (R_SUCCEEDED(res) && R_LEVEL(res) != RL_SUCCESS))
|
|
panic(2);
|
|
|
|
return res;
|
|
}
|
|
|
|
static Result UnregisterProgram(u64 programHandle)
|
|
{
|
|
Result res;
|
|
|
|
if (programHandle >> 32 == 0xFFFF0000)
|
|
return FSREG_UnloadProgram(programHandle);
|
|
else
|
|
{
|
|
res = FSREG_CheckHostLoadId(programHandle);
|
|
//if ((res >= 0 && (unsigned)res >> 27) || (res < 0 && ((unsigned)res >> 27)-32))
|
|
if (R_FAILED(res) || (R_SUCCEEDED(res) && R_LEVEL(res) != RL_SUCCESS))
|
|
return PXIPM_UnregisterProgram(programHandle);
|
|
else
|
|
return FSREG_UnloadProgram(programHandle);
|
|
}
|
|
}
|
|
|
|
void loaderHandleCommands(void *ctx)
|
|
{
|
|
(void)ctx;
|
|
FS_ProgramInfo title;
|
|
FS_ProgramInfo update;
|
|
u32* cmdbuf;
|
|
u16 cmdid;
|
|
int res;
|
|
Handle handle;
|
|
u64 programHandle;
|
|
|
|
cmdbuf = getThreadCommandBuffer();
|
|
cmdid = cmdbuf[0] >> 16;
|
|
res = 0;
|
|
switch (cmdid)
|
|
{
|
|
case 1: // LoadProcess
|
|
memcpy(&programHandle, &cmdbuf[1], 8);
|
|
handle = 0;
|
|
cmdbuf[1] = LoadProcess(&handle, programHandle);
|
|
cmdbuf[0] = IPC_MakeHeader(1, 1, 2);
|
|
cmdbuf[2] = IPC_Desc_MoveHandles(1);
|
|
cmdbuf[3] = handle;
|
|
break;
|
|
case 2: // RegisterProgram
|
|
memcpy(&title, &cmdbuf[1], sizeof(FS_ProgramInfo));
|
|
memcpy(&update, &cmdbuf[5], sizeof(FS_ProgramInfo));
|
|
cmdbuf[1] = RegisterProgram(&programHandle, &title, &update);
|
|
cmdbuf[0] = IPC_MakeHeader(2, 3, 0);
|
|
memcpy(&cmdbuf[2], &programHandle, 8);
|
|
break;
|
|
case 3: // UnregisterProgram
|
|
memcpy(&programHandle, &cmdbuf[1], 8);
|
|
|
|
if (g_cached_programHandle == programHandle)
|
|
g_cached_programHandle = 0;
|
|
cmdbuf[1] = UnregisterProgram(programHandle);
|
|
cmdbuf[0] = IPC_MakeHeader(3, 1, 0);
|
|
break;
|
|
case 4: // GetProgramInfo
|
|
memcpy(&programHandle, &cmdbuf[1], 8);
|
|
if (programHandle != g_cached_programHandle || hbldrIs3dsxTitle(g_exheaderInfo.aci.local_caps.title_id))
|
|
{
|
|
res = GetProgramInfo(&g_exheaderInfo, programHandle);
|
|
g_cached_programHandle = R_SUCCEEDED(res) ? programHandle : 0;
|
|
}
|
|
memcpy(&g_ret_buf, &g_exheaderInfo, sizeof(ExHeader_Info));
|
|
cmdbuf[0] = IPC_MakeHeader(4, 1, 2);
|
|
cmdbuf[1] = res;
|
|
cmdbuf[2] = IPC_Desc_StaticBuffer(sizeof(ExHeader_Info), 0); //0x1000002;
|
|
cmdbuf[3] = (u32)&g_ret_buf;
|
|
break;
|
|
default: // error
|
|
cmdbuf[0] = IPC_MakeHeader(0, 1, 0);
|
|
cmdbuf[1] = 0xD900182F;
|
|
break;
|
|
}
|
|
}
|