Kernel/KThread.cpp
2022-12-05 00:47:15 +02:00

86 lines
2.5 KiB
C++

#include "kernel.h"
#include <filesystem/ustar.hpp>
#include <vector.hpp>
#include <power.hpp>
#include <lock.hpp>
#include <printf.h>
#include <exec.hpp>
#include <cwalk.h>
#include "DAPI.hpp"
#include "Fex.hpp"
Driver::Driver *DriverManager = nullptr;
Disk::Manager *DiskManager = nullptr;
void KernelMainThread()
{
TaskManager->InitIPC();
TaskManager->GetCurrentThread()->SetPriority(100);
CPU::Interrupts(CPU::Disable);
KPrint("Kernel Compiled at: %s %s with C++ Standard: %d", __DATE__, __TIME__, CPP_LANGUAGE_STANDARD);
KPrint("C++ Language Version (__cplusplus): %ld", __cplusplus);
KPrint("Initializing Filesystem...");
vfs = new FileSystem::Virtual;
new FileSystem::USTAR((uint64_t)bInfo->Modules[0].Address, vfs); // TODO: Detect initrd
KPrint("Initializing Disk Manager...");
DiskManager = new Disk::Manager;
KPrint("Loading Drivers...");
DriverManager = new Driver::Driver;
KPrint("Fetching Disks...");
foreach (auto Driver in DriverManager->GetDrivers())
if (((FexExtended *)((uint64_t)Driver->Address + EXTENDED_SECTION_ADDRESS))->Driver.Type == FexDriverType::FexDriverType_Storage)
DiskManager->FetchDisks(Driver->DriverUID);
KPrint("Setting up userspace...");
const char *envp[9] = {
"PATH=/system:/system/bin",
"TERM=tty",
"HOME=/",
"USER=root",
"SHELL=/system/bin/sh",
"PWD=/",
"LANG=en_US.UTF-8",
"TZ=UTC",
nullptr};
const char *argv[3] = {
"--init",
"--critical",
nullptr};
Execute::SpawnData ret = Execute::Spawn(Config.InitPath, argv, envp);
if (ret.Status != Execute::ExStatus::OK)
{
KPrint("\eE85230Failed to start %s! Code: %d", Config.InitPath, ret.Status);
CPU::Interrupts(CPU::Enable);
goto Exit;
}
ret.Thread->SetCritical(true);
KPrint("Waiting for \e22AAFF%s\eCCCCCC to start...", Config.InitPath);
CPU::Interrupts(CPU::Enable);
TaskManager->GetCurrentThread()->SetPriority(1);
TaskManager->WaitForThread(ret.Thread);
KPrint("\eE85230Userspace process exited with code %d", ret.Thread->GetExitCode());
error("Userspace process exited with code %d (%#x)", ret.Thread->GetExitCode(), ret.Thread->GetExitCode());
Exit:
KPrint("Well, this is awkward. I guess you'll have to reboot.");
CPU::Halt(true);
}
void KernelShutdownThread(bool Reboot)
{
trace("Shutting Down/Rebooting...");
if (Reboot)
PowerManager->Reboot();
else
PowerManager->Shutdown();
CPU::Stop();
}