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[Kernel] Implement GetThreadID, stub DuplicateHandle

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wheremyfoodat 2022-09-22 00:02:50 +03:00
parent 0b2e22ca6d
commit aef1520f17
5 changed files with 46 additions and 6 deletions
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21
src/core/kernel/kernel.cpp
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@ -9,6 +9,7 @@ Kernel::Kernel(CPU& cpu, Memory& mem, GPU& gpu)
portHandles.reserve(32);
for (int i = 0; i < threads.size(); i++) {
threads[i].index = i;
threads[i].tlsBase = VirtualAddrs::TLSBase + i * VirtualAddrs::TLSSize;
threads[i].status = ThreadStatus::Dead;
}
@ -28,10 +29,12 @@ void Kernel::serviceSVC(u32 svc) {
case 0x22: arbitrateAddress(); break;
case 0x23: svcCloseHandle(); break;
case 0x24: waitSynchronization1(); break;
case 0x27: duplicateHandle(); break;
case 0x28: getSystemTick(); break;
case 0x2B: getProcessInfo(); break;
case 0x2D: connectToPort(); break;
case 0x32: sendSyncRequest(); break;
case 0x37: getThreadID(); break;
case 0x38: getResourceLimit(); break;
case 0x39: getResourceLimitLimitValues(); break;
case 0x3A: getResourceLimitCurrentValues(); break;
@ -101,7 +104,7 @@ void Kernel::reset() {
// Make main thread object. We do not have to set the entrypoint and SP for it as the ROM loader does.
// Main thread seems to have a priority of 0x30. TODO: This creates a dummy context for thread 0,
// which is thankfully not used. Maybe we should prevent this
mainThread = makeThread(0, 0, 0x30, -2, 0, ThreadStatus::Running);
mainThread = makeThread(0, VirtualAddrs::StackTop, 0x30, -2, 0, ThreadStatus::Running);
currentThreadIndex = 0;
// Create global service manager port
@ -139,6 +142,7 @@ void Kernel::outputDebugString() {
regs[0] = SVCResult::Success;
}
// Result GetProcessInfo(s64* out, Handle process, ProcessInfoType type)
void Kernel::getProcessInfo() {
const auto pid = regs[1];
const auto type = regs[2];
@ -163,6 +167,21 @@ void Kernel::getProcessInfo() {
regs[0] = SVCResult::Success;
}
// Result GetThreadId(u32* threadId, Handle thread)
void Kernel::duplicateHandle() {
Handle original = regs[1];
printf("DuplicateHandle(handle = %X)\n", original);
if (original == KernelHandles::CurrentThread) {
printf("[Warning] Duplicated current thread. This might be horribly broken!\n");
const auto& t = threads[currentThreadIndex];
regs[0] = SVCResult::Success;
regs[1] = makeThread(t.entrypoint, t.initialSP, t.priority, t.processorID, t.arg, t.status);
} else {
Helpers::panic("DuplicateHandle: unimplemented handle type");
}
}
std::string Kernel::getProcessName(u32 pid) {
if (pid == KernelHandles::CurrentProcess) {
return "current";