Fennix/Kernel
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Updated kernel (tl;dr: improved filesystem, tasking, loading files, etc..)

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This commit is contained in:
Alex
2023-02-06 19:35:44 +02:00
parent 640f6a412a
commit a592b85ce5
46 changed files with 3503 additions and 2412 deletions
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126
KThread.cpp
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@ -11,23 +11,61 @@
#include "DAPI.hpp"
#include "Fex.hpp"
using VirtualFileSystem::File;
using VirtualFileSystem::FileStatus;
using VirtualFileSystem::Node;
using VirtualFileSystem::NodeFlags;
Driver::Driver *DriverManager = nullptr;
Disk::Manager *DiskManager = nullptr;
NetworkInterfaceManager::NetworkInterface *NIManager = nullptr;
Recovery::KernelRecovery *RecoveryScreen = nullptr;
VirtualFileSystem::Node *DevFS = nullptr;
VirtualFileSystem::Node *MntFS = nullptr;
VirtualFileSystem::Node *ProcFS = nullptr;
#ifdef DEBUG
void TreeFS(Node *node, int Depth)
{
return;
foreach (auto Chld in node->Children)
{
printf("%*c %s\eFFFFFF\n", Depth, ' ', Chld->Name);
Display->SetBuffer(0);
TreeFS(Chld, Depth + 1);
}
}
#endif
Execute::SpawnData SpawnInit()
{
const char *envp[9] = {
"PATH=/system:/system/bin",
"TERM=tty",
"HOME=/",
"USER=root",
"SHELL=/system/sh",
"PWD=/",
"LANG=en_US.UTF-8",
"TZ=UTC",
nullptr};
const char *argv[4] = {
Config.InitPath,
"--init",
"--critical",
nullptr};
return Execute::Spawn(Config.InitPath, argv, envp);
}
void KernelMainThread()
{
TaskManager->InitIPC();
TaskManager->GetCurrentThread()->SetPriority(100);
CPU::Interrupts(CPU::Disable);
TaskManager->GetCurrentThread()->SetPriority(Tasking::Critical);
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((uintptr_t)bInfo->Modules[0].Address, vfs); // TODO: Detect initrd
KPrint("Initializing Disk Manager...");
DiskManager = new Disk::Manager;
@ -49,43 +87,69 @@ void KernelMainThread()
KPrint("Starting Network Interface Manager...");
NIManager->StartService();
KPrint("Setting up userspace...");
KPrint("Setting up userspace");
const char *envp[9] = {
"PATH=/system:/system/bin",
"TERM=tty",
"HOME=/",
"USER=root",
"SHELL=/system/sh",
"PWD=/",
"LANG=en_US.UTF-8",
"TZ=UTC",
nullptr};
#ifdef DEBUG
TreeFS(vfs->GetRootNode(), 0);
#endif
const char *argv[4] = {
Config.InitPath,
"--init",
"--critical",
nullptr};
const char *USpace_msg = "Setting up userspace";
for (size_t i = 0; i < strlen(USpace_msg); i++)
Display->Print(USpace_msg[i], 0);
Display->SetBuffer(0);
Execute::SpawnData ret = {Execute::ExStatus::Unknown, nullptr, nullptr};
Tasking::TCB *ExecuteThread = nullptr;
int ExitCode = -1;
Display->Print('.', 0);
Display->SetBuffer(0);
ExecuteThread = TaskManager->CreateThread(TaskManager->GetCurrentProcess(), (Tasking::IP)Execute::StartExecuteService);
ExecuteThread->Rename("Library Manager");
ExecuteThread->SetCritical(true);
ExecuteThread->SetPriority(Tasking::Idle);
Display->Print('.', 0);
Display->SetBuffer(0);
CPU::Interrupts(CPU::Disable);
ret = SpawnInit();
Display->Print('.', 0);
Display->Print('\n', 0);
Display->SetBuffer(0);
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;
}
TaskManager->GetSecurityManager()->TrustToken(ret.Process->Security.UniqueToken, Tasking::TTL::FullTrust);
TaskManager->GetSecurityManager()->TrustToken(ret.Thread->Security.UniqueToken, Tasking::TTL::FullTrust);
ret.Thread->SetCritical(true);
KPrint("Waiting for \e22AAFF%s\eCCCCCC to start...", Config.InitPath);
CPU::Interrupts(CPU::Enable);
TaskManager->GetCurrentThread()->SetPriority(1);
TaskManager->GetCurrentThread()->SetPriority(Tasking::Idle);
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());
ExitCode = ret.Thread->GetExitCode();
if (ExitCode != 0)
KPrint("\eE85230Userspace process exited with code %d", ExitCode);
error("Userspace process exited with code %d (%#x)", ExitCode, ExitCode);
Exit:
KPrint("%s exited with code %d! Dropping to recovery screen...", Config.InitPath, ret.Thread->GetExitCode());
TaskManager->Sleep(1000);
RecoveryScreen = new Recovery::KernelRecovery;
if (ExitCode != 0)
{
KPrint("Dropping to recovery screen...", ExitCode);
TaskManager->Sleep(5000);
RecoveryScreen = new Recovery::KernelRecovery;
}
else
{
KPrint("\eFF7900%s process exited with code %d and it didn't invoked the shutdown function.",
Config.InitPath, ExitCode);
KPrint("System Halted");
}
CPU::Halt(true);
}
@ -93,7 +157,7 @@ void KernelShutdownThread(bool Reboot)
{
BeforeShutdown();
trace("Shutting Down/Rebooting...");
trace("%s...", Reboot ? "Rebooting" : "Shutting down");
if (Reboot)
PowerManager->Reboot();
else