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Kernel/Thread: Allow specifying which process a thread belongs to when creating it.

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Don't automatically assume that Thread::Create will only be called when the parent process is currently scheduled. This assumption will be broken when applets or system modules are loaded.
This commit is contained in:
Subv 2017-09-26 17:40:49 -05:00
parent a8d2f5787f
commit 3165466b66
4 changed files with 22 additions and 17 deletions
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17
src/core/hle/kernel/thread.cpp
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@ -361,7 +361,8 @@ static void ResetThreadContext(ARM_Interface::ThreadContext& context, u32 stack_
}
ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point, u32 priority,
u32 arg, s32 processor_id, VAddr stack_top) {
u32 arg, s32 processor_id, VAddr stack_top,
SharedPtr<Process> owner_process) {
// Check if priority is in ranged. Lowest priority -> highest priority id.
if (priority > THREADPRIO_LOWEST) {
LOG_ERROR(Kernel_SVC, "Invalid thread priority: %d", priority);
@ -375,7 +376,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
// TODO(yuriks): Other checks, returning 0xD9001BEA
if (!Memory::IsValidVirtualAddress(entry_point)) {
if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name.c_str(), entry_point);
// TODO: Verify error
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
@ -399,10 +400,10 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
thread->wait_address = 0;
thread->name = std::move(name);
thread->callback_handle = wakeup_callback_handle_table.Create(thread).Unwrap();
thread->owner_process = g_current_process;
thread->owner_process = owner_process;
// Find the next available TLS index, and mark it as used
auto& tls_slots = Kernel::g_current_process->tls_slots;
auto& tls_slots = owner_process->tls_slots;
bool needs_allocation = true;
u32 available_page; // Which allocated page has free space
u32 available_slot; // Which slot within the page is free
@ -426,13 +427,13 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
// Allocate some memory from the end of the linear heap for this region.
linheap_memory->insert(linheap_memory->end(), Memory::PAGE_SIZE, 0);
memory_region->used += Memory::PAGE_SIZE;
Kernel::g_current_process->linear_heap_used += Memory::PAGE_SIZE;
owner_process->linear_heap_used += Memory::PAGE_SIZE;
tls_slots.emplace_back(0); // The page is completely available at the start
available_page = tls_slots.size() - 1;
available_slot = 0; // Use the first slot in the new page
auto& vm_manager = Kernel::g_current_process->vm_manager;
auto& vm_manager = owner_process->vm_manager;
vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
// Map the page to the current process' address space.
@ -486,10 +487,10 @@ void Thread::BoostPriority(s32 priority) {
current_priority = priority;
}
SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority) {
SharedPtr<Thread> SetupMainThread(u32 entry_point, s32 priority, SharedPtr<Process> owner_process) {
// Initialize new "main" thread
auto thread_res = Thread::Create("main", entry_point, priority, 0, THREADPROCESSORID_0,
Memory::HEAP_VADDR_END);
Memory::HEAP_VADDR_END, owner_process);
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();