1 files changed, 100 insertions, 5 deletions

diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 914bbe0a1..a8e3098ca 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -7,10 +7,13 @@
 #include "common/assert.h"
 #include "common/common_funcs.h"
 #include "common/logging/log.h"
+#include "core/core.h"
+#include "core/file_sys/program_metadata.h"
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
 #include "core/hle/kernel/resource_limit.h"
+#include "core/hle/kernel/scheduler.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/vm_manager.h"
 #include "core/memory.h"
@@ -32,14 +35,21 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
     process->name = std::move(name);
     process->flags.raw = 0;
     process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
+    process->resource_limit = kernel.ResourceLimitForCategory(ResourceLimitCategory::APPLICATION);
     process->status = ProcessStatus::Created;
     process->program_id = 0;
     process->process_id = kernel.CreateNewProcessID();
+    process->svc_access_mask.set();
 
     kernel.AppendNewProcess(process);
     return process;
 }
 
+void Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
+    program_id = metadata.GetTitleID();
+    vm_manager.Reset(metadata.GetAddressSpaceType());
+}
+
 void Process::ParseKernelCaps(const u32* kernel_caps, std::size_t len) {
     for (std::size_t i = 0; i < len; ++i) {
         u32 descriptor = kernel_caps[i];
@@ -117,7 +127,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
     // TODO(bunnei): This is heap area that should be allocated by the kernel and not mapped as part
     // of the user address space.
     vm_manager
-        .MapMemoryBlock(Memory::STACK_AREA_VADDR_END - stack_size,
+        .MapMemoryBlock(vm_manager.GetTLSIORegionEndAddress() - stack_size,
                         std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size,
                         MemoryState::Mapped)
         .Unwrap();
@@ -128,6 +138,91 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
     Kernel::SetupMainThread(kernel, entry_point, main_thread_priority, *this);
 }
 
+void Process::PrepareForTermination() {
+    status = ProcessStatus::Exited;
+
+    const auto stop_threads = [this](const std::vector<SharedPtr<Thread>>& thread_list) {
+        for (auto& thread : thread_list) {
+            if (thread->owner_process != this)
+                continue;
+
+            if (thread == GetCurrentThread())
+                continue;
+
+            // TODO(Subv): When are the other running/ready threads terminated?
+            ASSERT_MSG(thread->status == ThreadStatus::WaitSynchAny ||
+                           thread->status == ThreadStatus::WaitSynchAll,
+                       "Exiting processes with non-waiting threads is currently unimplemented");
+
+            thread->Stop();
+        }
+    };
+
+    auto& system = Core::System::GetInstance();
+    stop_threads(system.Scheduler(0)->GetThreadList());
+    stop_threads(system.Scheduler(1)->GetThreadList());
+    stop_threads(system.Scheduler(2)->GetThreadList());
+    stop_threads(system.Scheduler(3)->GetThreadList());
+}
+
+/**
+ * Finds a free location for the TLS section of a thread.
+ * @param tls_slots The TLS page array of the thread's owner process.
+ * Returns a tuple of (page, slot, alloc_needed) where:
+ * page: The index of the first allocated TLS page that has free slots.
+ * slot: The index of the first free slot in the indicated page.
+ * alloc_needed: Whether there's a need to allocate a new TLS page (All pages are full).
+ */
+static std::tuple<std::size_t, std::size_t, bool> FindFreeThreadLocalSlot(
+    const std::vector<std::bitset<8>>& tls_slots) {
+    // Iterate over all the allocated pages, and try to find one where not all slots are used.
+    for (std::size_t page = 0; page < tls_slots.size(); ++page) {
+        const auto& page_tls_slots = tls_slots[page];
+        if (!page_tls_slots.all()) {
+            // We found a page with at least one free slot, find which slot it is
+            for (std::size_t slot = 0; slot < page_tls_slots.size(); ++slot) {
+                if (!page_tls_slots.test(slot)) {
+                    return std::make_tuple(page, slot, false);
+                }
+            }
+        }
+    }
+
+    return std::make_tuple(0, 0, true);
+}
+
+VAddr Process::MarkNextAvailableTLSSlotAsUsed(Thread& thread) {
+    auto [available_page, available_slot, needs_allocation] = FindFreeThreadLocalSlot(tls_slots);
+    const VAddr tls_begin = vm_manager.GetTLSIORegionBaseAddress();
+
+    if (needs_allocation) {
+        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
+
+        // Allocate some memory from the end of the linear heap for this region.
+        auto& tls_memory = thread.GetTLSMemory();
+        tls_memory->insert(tls_memory->end(), Memory::PAGE_SIZE, 0);
+
+        vm_manager.RefreshMemoryBlockMappings(tls_memory.get());
+
+        vm_manager.MapMemoryBlock(tls_begin + available_page * Memory::PAGE_SIZE, tls_memory, 0,
+                                  Memory::PAGE_SIZE, MemoryState::ThreadLocal);
+    }
+
+    tls_slots[available_page].set(available_slot);
+
+    return tls_begin + available_page * Memory::PAGE_SIZE + available_slot * Memory::TLS_ENTRY_SIZE;
+}
+
+void Process::FreeTLSSlot(VAddr tls_address) {
+    const VAddr tls_base = tls_address - vm_manager.GetTLSIORegionBaseAddress();
+    const VAddr tls_page = tls_base / Memory::PAGE_SIZE;
+    const VAddr tls_slot = (tls_base % Memory::PAGE_SIZE) / Memory::TLS_ENTRY_SIZE;
+
+    tls_slots[tls_page].reset(tls_slot);
+}
+
 void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
     const auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions,
                                 MemoryState memory_state) {
@@ -145,8 +240,8 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
 }
 
 ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {
-    if (target < Memory::HEAP_VADDR || target + size > Memory::HEAP_VADDR_END ||
-        target + size < target) {
+    if (target < vm_manager.GetHeapRegionBaseAddress() ||
+        target + size > vm_manager.GetHeapRegionEndAddress() || target + size < target) {
         return ERR_INVALID_ADDRESS;
     }
 
@@ -181,8 +276,8 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission per
 }
 
 ResultCode Process::HeapFree(VAddr target, u32 size) {
-    if (target < Memory::HEAP_VADDR || target + size > Memory::HEAP_VADDR_END ||
-        target + size < target) {
+    if (target < vm_manager.GetHeapRegionBaseAddress() ||
+        target + size > vm_manager.GetHeapRegionEndAddress() || target + size < target) {
         return ERR_INVALID_ADDRESS;
     }