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Diffstat (limited to 'src/core/hle/kernel/process.cpp')
-rw-r--r--src/core/hle/kernel/process.cpp164
1 files changed, 74 insertions, 90 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 7ca538401..c5aa19afa 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -9,6 +9,7 @@
#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"
@@ -19,6 +20,35 @@
#include "core/settings.h"
namespace Kernel {
+namespace {
+/**
+ * Sets up the primary application thread
+ *
+ * @param owner_process The parent process for the main thread
+ * @param kernel The kernel instance to create the main thread under.
+ * @param entry_point The address at which the thread should start execution
+ * @param priority The priority to give the main thread
+ */
+void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) {
+ // Setup page table so we can write to memory
+ SetCurrentPageTable(&owner_process.VMManager().page_table);
+
+ // Initialize new "main" thread
+ const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
+ auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
+ owner_process.GetIdealCore(), stack_top, owner_process);
+
+ SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
+
+ // Register 1 must be a handle to the main thread
+ const Handle guest_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
+ thread->SetGuestHandle(guest_handle);
+ thread->GetContext().cpu_registers[1] = guest_handle;
+
+ // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
+ thread->ResumeFromWait();
+}
+} // Anonymous namespace
CodeSet::CodeSet() = default;
CodeSet::~CodeSet() = default;
@@ -27,13 +57,11 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
SharedPtr<Process> process(new Process(kernel));
process->name = std::move(name);
- process->flags.raw = 0;
- process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
process->resource_limit = kernel.GetSystemResourceLimit();
process->status = ProcessStatus::Created;
process->program_id = 0;
process->process_id = kernel.CreateNewProcessID();
- process->svc_access_mask.set();
+ process->capabilities.InitializeForMetadatalessProcess();
std::mt19937 rng(Settings::values.rng_seed.value_or(0));
std::uniform_int_distribution<u64> distribution;
@@ -44,82 +72,34 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) {
return process;
}
-void Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
- program_id = metadata.GetTitleID();
- is_64bit_process = metadata.Is64BitProgram();
- vm_manager.Reset(metadata.GetAddressSpaceType());
+SharedPtr<ResourceLimit> Process::GetResourceLimit() const {
+ return resource_limit;
}
-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];
- u32 type = descriptor >> 20;
-
- if (descriptor == 0xFFFFFFFF) {
- // Unused descriptor entry
- continue;
- } else if ((type & 0xF00) == 0xE00) { // 0x0FFF
- // Allowed interrupts list
- LOG_WARNING(Loader, "ExHeader allowed interrupts list ignored");
- } else if ((type & 0xF80) == 0xF00) { // 0x07FF
- // Allowed syscalls mask
- unsigned int index = ((descriptor >> 24) & 7) * 24;
- u32 bits = descriptor & 0xFFFFFF;
-
- while (bits && index < svc_access_mask.size()) {
- svc_access_mask.set(index, bits & 1);
- ++index;
- bits >>= 1;
- }
- } else if ((type & 0xFF0) == 0xFE0) { // 0x00FF
- // Handle table size
- handle_table_size = descriptor & 0x3FF;
- } else if ((type & 0xFF8) == 0xFF0) { // 0x007F
- // Misc. flags
- flags.raw = descriptor & 0xFFFF;
- } else if ((type & 0xFFE) == 0xFF8) { // 0x001F
- // Mapped memory range
- if (i + 1 >= len || ((kernel_caps[i + 1] >> 20) & 0xFFE) != 0xFF8) {
- LOG_WARNING(Loader, "Incomplete exheader memory range descriptor ignored.");
- continue;
- }
- u32 end_desc = kernel_caps[i + 1];
- ++i; // Skip over the second descriptor on the next iteration
+ResultCode Process::ClearSignalState() {
+ if (status == ProcessStatus::Exited) {
+ LOG_ERROR(Kernel, "called on a terminated process instance.");
+ return ERR_INVALID_STATE;
+ }
- AddressMapping mapping;
- mapping.address = descriptor << 12;
- VAddr end_address = end_desc << 12;
+ if (!is_signaled) {
+ LOG_ERROR(Kernel, "called on a process instance that isn't signaled.");
+ return ERR_INVALID_STATE;
+ }
- if (mapping.address < end_address) {
- mapping.size = end_address - mapping.address;
- } else {
- mapping.size = 0;
- }
+ is_signaled = false;
+ return RESULT_SUCCESS;
+}
- mapping.read_only = (descriptor & (1 << 20)) != 0;
- mapping.unk_flag = (end_desc & (1 << 20)) != 0;
-
- address_mappings.push_back(mapping);
- } else if ((type & 0xFFF) == 0xFFE) { // 0x000F
- // Mapped memory page
- AddressMapping mapping;
- mapping.address = descriptor << 12;
- mapping.size = Memory::PAGE_SIZE;
- mapping.read_only = false;
- mapping.unk_flag = false;
-
- address_mappings.push_back(mapping);
- } else if ((type & 0xFE0) == 0xFC0) { // 0x01FF
- // Kernel version
- kernel_version = descriptor & 0xFFFF;
-
- int minor = kernel_version & 0xFF;
- int major = (kernel_version >> 8) & 0xFF;
- LOG_INFO(Loader, "ExHeader kernel version: {}.{}", major, minor);
- } else {
- LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x{:08X}", descriptor);
- }
- }
+ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
+ program_id = metadata.GetTitleID();
+ ideal_core = metadata.GetMainThreadCore();
+ is_64bit_process = metadata.Is64BitProgram();
+
+ vm_manager.Reset(metadata.GetAddressSpaceType());
+
+ const auto& caps = metadata.GetKernelCapabilities();
+ return capabilities.InitializeForUserProcess(caps.data(), caps.size(), vm_manager);
}
void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
@@ -129,17 +109,17 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
vm_manager
.MapMemoryBlock(vm_manager.GetTLSIORegionEndAddress() - stack_size,
std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size,
- MemoryState::Mapped)
+ MemoryState::Stack)
.Unwrap();
vm_manager.LogLayout();
- status = ProcessStatus::Running;
+ ChangeStatus(ProcessStatus::Running);
- Kernel::SetupMainThread(kernel, entry_point, main_thread_priority, *this);
+ SetupMainThread(*this, kernel, entry_point, main_thread_priority);
}
void Process::PrepareForTermination() {
- status = ProcessStatus::Exited;
+ ChangeStatus(ProcessStatus::Exiting);
const auto stop_threads = [this](const std::vector<SharedPtr<Thread>>& thread_list) {
for (auto& thread : thread_list) {
@@ -163,6 +143,8 @@ void Process::PrepareForTermination() {
stop_threads(system.Scheduler(1).GetThreadList());
stop_threads(system.Scheduler(2).GetThreadList());
stop_threads(system.Scheduler(3).GetThreadList());
+
+ ChangeStatus(ProcessStatus::Exited);
}
/**
@@ -245,23 +227,25 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) {
Core::System::GetInstance().ArmInterface(3).ClearInstructionCache();
}
-ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {
- return vm_manager.HeapAllocate(target, size, perms);
-}
+Kernel::Process::Process(KernelCore& kernel) : WaitObject{kernel} {}
+Kernel::Process::~Process() {}
-ResultCode Process::HeapFree(VAddr target, u32 size) {
- return vm_manager.HeapFree(target, size);
+void Process::Acquire(Thread* thread) {
+ ASSERT_MSG(!ShouldWait(thread), "Object unavailable!");
}
-ResultCode Process::MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state) {
- return vm_manager.MirrorMemory(dst_addr, src_addr, size, state);
+bool Process::ShouldWait(Thread* thread) const {
+ return !is_signaled;
}
-ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) {
- return vm_manager.UnmapRange(dst_addr, size);
-}
+void Process::ChangeStatus(ProcessStatus new_status) {
+ if (status == new_status) {
+ return;
+ }
-Kernel::Process::Process(KernelCore& kernel) : Object{kernel} {}
-Kernel::Process::~Process() {}
+ status = new_status;
+ is_signaled = true;
+ WakeupAllWaitingThreads();
+}
} // namespace Kernel
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-21 21:36:06 +0000