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core/core: Move process execution start to System's Load()

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This gives us significantly more control over where in the
initialization process we start execution of the main process.

Previously we were running the main process before the CPU or GPU
threads were initialized (not good). This amends execution to start
after all of our threads are properly set up.
This commit is contained in:
Lioncash 2019-04-09 17:03:04 -04:00
parent 32a6ceb4e5
commit 612e1388df
20 changed files with 144 additions and 107 deletions
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15
src/core/loader/elf.cpp
View file

@ -382,13 +382,15 @@ FileType AppLoader_ELF::IdentifyType(const FileSys::VirtualFile& file) {
return FileType::Error;
}
ResultStatus AppLoader_ELF::Load(Kernel::Process& process) {
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
AppLoader_ELF::LoadResult AppLoader_ELF::Load(Kernel::Process& process) {
if (is_loaded) {
return {ResultStatus::ErrorAlreadyLoaded, {}};
}
std::vector<u8> buffer = file->ReadAllBytes();
if (buffer.size() != file->GetSize())
return ResultStatus::ErrorIncorrectELFFileSize;
if (buffer.size() != file->GetSize()) {
return {ResultStatus::ErrorIncorrectELFFileSize, {}};
}
const VAddr base_address = process.VMManager().GetCodeRegionBaseAddress();
ElfReader elf_reader(&buffer[0]);
@ -396,10 +398,9 @@ ResultStatus AppLoader_ELF::Load(Kernel::Process& process) {
const VAddr entry_point = codeset.entrypoint;
process.LoadModule(std::move(codeset), entry_point);
process.Run(entry_point, 48, Memory::DEFAULT_STACK_SIZE);
is_loaded = true;
return ResultStatus::Success;
return {ResultStatus::Success, LoadParameters{48, Memory::DEFAULT_STACK_SIZE}};
}
} // namespace Loader