Module *__KernelLoadModule(u8 *fileptr, SceKernelLMOption *options, std::string *error_string)
{
Module *module = 0;
// Check for PBP
if (memcmp(fileptr, "\0PBP", 4) == 0)
{
// PBP!
u32 version;
memcpy(&version, fileptr + 4, 4);
u32 offset0, offsets[16];
int numfiles;
memcpy(&offset0, fileptr + 8, 4);
numfiles = (offset0 - 8)/4;
offsets[0] = offset0;
for (int i = 1; i < numfiles; i++)
memcpy(&offsets[i], fileptr + 12 + 4*i, 4);
module = __KernelLoadELFFromPtr(fileptr + offsets[5], PSP_GetDefaultLoadAddress(), error_string);
}
else
{
module = __KernelLoadELFFromPtr(fileptr, PSP_GetDefaultLoadAddress(), error_string);
}
return module;
}
u32 sceKernelLoadModule(const char *name, u32 flags)
{
if(!name)
return 0;
PSPFileInfo info = pspFileSystem.GetFileInfo(name);
std::string error_string;
s64 size = (s64)info.size;
if (!info.exists) {
ERROR_LOG(LOADER, "sceKernelLoadModule(%s, %08x): File does not exist", name, flags);
return SCE_KERNEL_ERROR_NOFILE;
}
if (!size)
{
ERROR_LOG(LOADER, "sceKernelLoadModule(%s, %08x): Module file is size 0", name, flags);
return SCE_KERNEL_ERROR_ILLEGAL_OBJECT;
}
DEBUG_LOG(LOADER, "sceKernelLoadModule(%s, %08x)", name, flags);
SceKernelLMOption *lmoption = 0;
int position = 0;
// TODO: Use position to decide whether to load high or low
if (PARAM(2))
{
SceKernelLMOption *lmoption = (SceKernelLMOption *)Memory::GetPointer(PARAM(2));
}
Module *module = 0;
u8 *temp = new u8[(int)size];
u32 handle = pspFileSystem.OpenFile(name, FILEACCESS_READ);
pspFileSystem.ReadFile(handle, temp, (size_t)size);
module = __KernelLoadELFFromPtr(temp, 0, &error_string);
delete [] temp;
pspFileSystem.CloseFile(handle);
if (!module) {
// Module was blacklisted or couldn't be decrypted, which means it's a kernel module we don't want to run.
// Let's just act as if it worked.
NOTICE_LOG(LOADER, "Module %s is blacklisted or undecryptable - we lie about success", name);
return 1;
}
if (lmoption) {
INFO_LOG(HLE,"%i=sceKernelLoadModule(name=%s,flag=%08x,%08x,%08x,%08x,position = %08x)",
module->GetUID(),name,flags,
lmoption->size,lmoption->mpidtext,lmoption->mpiddata,lmoption->position);
}
else
{
INFO_LOG(HLE,"%i=sceKernelLoadModule(name=%s,flag=%08x,(...))", module->GetUID(), name, flags);
}
return module->GetUID();
}
bool __KernelLoadPBP(const char *filename, std::string *error_string)
{
static const char *FileNames[] =
{
"PARAM.SFO", "ICON0.PNG", "ICON1.PMF", "UNKNOWN.PNG",
"PIC1.PNG", "SND0.AT3", "UNKNOWN.PSP", "UNKNOWN.PSAR"
};
std::ifstream in(filename, std::ios::binary);
char temp[4];
in.read(temp,4);
if (memcmp(temp,"\0PBP",4) != 0)
{
//This is not a valid file!
ERROR_LOG(LOADER,"%s is not a valid homebrew PSP1.0 PBP",filename);
*error_string = "Not a valid homebrew PBP";
return false;
}
u32 version, offset0, offsets[16];
int numfiles;
in.read((char*)&version,4);
in.read((char*)&offset0,4);
numfiles = (offset0 - 8) / 4;
offsets[0] = offset0;
for (int i = 1; i < numfiles; i++)
in.read((char*)&offsets[i], 4);
// The 6th is always the executable?
in.seekg(offsets[5]);
//in.read((char*)&id,4);
{
u8 *elftemp = new u8[1024*1024*8];
in.read((char*)elftemp, 1024*1024*8);
Module *module = __KernelLoadELFFromPtr(elftemp, PSP_GetDefaultLoadAddress(), error_string);
if (!module)
return false;
mipsr4k.pc = module->nm.entry_addr;
delete [] elftemp;
}
in.close();
return true;
}
u32 sceKernelLoadModuleByID(u32 id, u32 flags, u32 lmoptionPtr)
{
u32 error;
u32 handle = __IoGetFileHandleFromId(id, error);
if (handle == (u32)-1) {
ERROR_LOG(HLE,"sceKernelLoadModuleByID(%08x, %08x, %08x): could not open file id",id,flags,lmoptionPtr);
return error;
}
SceKernelLMOption *lmoption = 0;
if (lmoptionPtr) {
lmoption = (SceKernelLMOption *)Memory::GetPointer(lmoptionPtr);
}
u32 pos = (u32) pspFileSystem.SeekFile(handle, 0, FILEMOVE_CURRENT);
size_t size = pspFileSystem.SeekFile(handle, 0, FILEMOVE_END);
std::string error_string;
pspFileSystem.SeekFile(handle, pos, FILEMOVE_BEGIN);
Module *module = 0;
u8 *temp = new u8[size];
pspFileSystem.ReadFile(handle, temp, size);
module = __KernelLoadELFFromPtr(temp, 0, &error_string);
delete [] temp;
if (!module) {
// Module was blacklisted or couldn't be decrypted, which means it's a kernel module we don't want to run.
// Let's just act as if it worked.
NOTICE_LOG(LOADER, "Module %d is blacklisted or undecryptable - we lie about success", id);
return 1;
}
if (lmoption) {
INFO_LOG(HLE,"%i=sceKernelLoadModuleByID(%d,flag=%08x,%08x,%08x,%08x,position = %08x)",
module->GetUID(),id,flags,
lmoption->size,lmoption->mpidtext,lmoption->mpiddata,lmoption->position);
} else {
INFO_LOG(HLE,"%i=sceKernelLoadModuleByID(%d,flag=%08x,(...))", module->GetUID(), id, flags);
}
return module->GetUID();
}
