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[Kernel, Memory] Add GetProcessInfo, fix memory management bugs

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wheremyfoodat 2022-09-21 22:43:43 +03:00
parent 71ca62e2cc
commit db48d08c34
6 changed files with 66 additions and 7 deletions
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34
src/core/kernel/kernel.cpp
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@ -12,6 +12,8 @@ Kernel::Kernel(CPU& cpu, Memory& mem, GPU& gpu)
threads[i].tlsBase = VirtualAddrs::TLSBase + i * VirtualAddrs::TLSSize;
threads[i].status = ThreadStatus::Dead;
}
setVersion(1, 69);
}
void Kernel::serviceSVC(u32 svc) {
@ -27,6 +29,7 @@ void Kernel::serviceSVC(u32 svc) {
case 0x23: svcCloseHandle(); break;
case 0x24: waitSynchronization1(); break;
case 0x28: getSystemTick(); break;
case 0x2B: getProcessInfo(); break;
case 0x2D: connectToPort(); break;
case 0x32: sendSyncRequest(); break;
case 0x38: getResourceLimit(); break;
@ -37,6 +40,13 @@ void Kernel::serviceSVC(u32 svc) {
}
}
void Kernel::setVersion(u8 major, u8 minor) {
u16 descriptor = (u16(major) << 8) | u16(minor);
kernelVersion = descriptor;
mem.kernelVersion = descriptor; // The memory objects needs a copy because you can read the kernel ver from config mem
}
Handle Kernel::makeProcess() {
const Handle processHandle = makeObject(KernelObjectType::Process);
const Handle resourceLimitHandle = makeObject(KernelObjectType::ResourceLimit);
@ -129,6 +139,30 @@ void Kernel::outputDebugString() {
regs[0] = SVCResult::Success;
}
void Kernel::getProcessInfo() {
const auto pid = regs[1];
const auto type = regs[2];
const auto process = getProcessFromPID(pid);
printf("GetProcessInfo(process: %s, type = %d)\n", getProcessName(pid).c_str(), type);
if (process == nullptr) [[unlikely]] {
regs[0] = SVCResult::BadHandle;
return;
}
switch (type) {
case 20:
regs[1] = PhysicalAddrs::FCRAM - mem.getLinearHeapVaddr();
regs[2] = 0;
break;
default:
Helpers::panic("GetProcessInfo: unimplemented type %d", type);
}
regs[0] = SVCResult::Success;
}
std::string Kernel::getProcessName(u32 pid) {
if (pid == KernelHandles::CurrentProcess) {
return "current";