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refactor(kernel): ♻️ rewrite time manager

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This commit is contained in:
EnderIce2 2025-05-23 23:30:04 +00:00
parent 9538589c11
commit 33c284091d
Signed by: enderice2
GPG Key ID: FEB6B8A8507BA62E
31 changed files with 572 additions and 573 deletions
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2
Kernel/arch/amd64/cpu/apic.cpp
View File

@ -442,7 +442,7 @@ namespace APIC
this->lapic->Write(APIC_TICR, 0xFFFFFFFF);
}
TimeManager->Sleep(1, Time::Units::Milliseconds);
TimeManager->Sleep(Time::FromMilliseconds(1));
// Mask the timer
if (this->lapic->x2APIC)

6
Kernel/arch/amd64/cpu/smp.cpp
View File

@ -167,14 +167,14 @@ namespace SMP
}
apic->SendInitIPI(lapic->APICId);
TimeManager->Sleep(20, Time::Units::Milliseconds);
TimeManager->Sleep(Time::FromMilliseconds(20));
apic->SendStartupIPI(lapic->APICId, TRAMPOLINE_START);
debug("Waiting for CPU %d to load...", lapic->APICId);
uint64_t Timeout = TimeManager->CalculateTarget(2, Time::Units::Seconds);
uint64_t Timeout = TimeManager->GetTimeNs() + Time::FromSeconds(2);
while (CPUEnabled.load(std::memory_order_acquire) == false)
{
if (TimeManager->GetCounter() > Timeout)
if (TimeManager->GetTimeNs() > Timeout)
{
error("CPU %d failed to load!", lapic->APICId);
KPrint("\x1b[1;37;41mCPU %d failed to load!",

2
Kernel/arch/i386/cpu/apic.cpp
View File

@ -383,7 +383,7 @@ namespace APIC
this->lapic->Write(APIC_TDCR, Divider);
this->lapic->Write(APIC_TICR, 0xFFFFFFFF);
TimeManager->Sleep(1, Time::Units::Milliseconds);
TimeManager->Sleep(Time::FromMilliseconds(1));
// Mask the timer
this->lapic->Write(APIC_TIMER, 0x10000 /* LVTTimer.Mask flag */);

2
Kernel/core/console.cpp
View File

@ -25,6 +25,8 @@
#include "../kernel.h"
using namespace std::chrono_literals;
namespace KernelConsole
{
static int TermColors[] = {

2
Kernel/core/driver/api.cpp
View File

@ -273,7 +273,7 @@ namespace v0
{
dbg_api("%d, %d", DriverID, Milliseconds);
TaskManager->Sleep(Milliseconds);
TaskManager->Sleep(Time::FromMilliseconds(Milliseconds));
}
/* --------- */

5
Kernel/core/lock.cpp
View File

@ -195,7 +195,7 @@ void LockClass::TimeoutDeadLock(SpinLockData &Lock, uint64_t Timeout)
if (CoreData != nullptr)
CCore = CoreData->ID;
uint64_t Counter = TimeManager->GetCounter();
uint64_t Counter = TimeManager->GetTimeNs();
warn("Potential deadlock in lock '%s' held by '%s'! %ld %s in queue. Interrupts are %s. Core %ld held by %ld. Timeout in %ld (%ld ticks remaining).",
Lock.AttemptingToGet, Lock.CurrentHolder, Lock.Count, Lock.Count > 1 ? "locks" : "lock",
@ -235,8 +235,7 @@ Retry:
if (i >= DEADLOCK_TIMEOUT)
{
if (Target.load() == 0)
Target.store(TimeManager->CalculateTarget(Timeout,
Time::Units::Milliseconds));
Target.store(TimeManager->GetTimeNs() + Timeout);
TimeoutDeadLock(LockData, Target.load());
goto Retry;
}

2
Kernel/core/panic/kbd/xhci.cpp
View File

@ -58,7 +58,7 @@ nsa bool CrashXHCIKeyboardDriver::TakeOwnership()
return true;
exCap->USBLEGSUP.OSOwnsHC = 1;
TimeManager->Sleep(200, Time::Milliseconds);
TimeManager->Sleep(Time::FromMilliseconds(200));
if (exCap->USBLEGSUP.BIOSOwnsHC == 0)
return true;

6
Kernel/core/syscalls.cpp
View File

@ -59,7 +59,7 @@ extern "C" uintptr_t SystemCallsHandler(SyscallsFrame *Frame)
and switch back when this function returns. */
AutoSwitchPageTable PageSwitcher;
uint64_t _ctime = TimeManager->GetCounter();
uint64_t _ctime = TimeManager->GetTimeNs();
Tasking::TaskInfo *Ptinfo = &thisProcess->Info;
Tasking::TaskInfo *Ttinfo = &thisThread->Info;
uintptr_t ret;
@ -97,7 +97,7 @@ extern "C" uintptr_t SystemCallsHandler(SyscallsFrame *Frame)
}
Ret:
Ptinfo->KernelTime += TimeManager->GetCounter() - _ctime;
Ttinfo->KernelTime += TimeManager->GetCounter() - _ctime;
Ptinfo->KernelTime += TimeManager->GetTimeNs() - _ctime;
Ttinfo->KernelTime += TimeManager->GetTimeNs() - _ctime;
return ret;
}

111
Kernel/core/time/hpet.cpp
View File

@ -1,111 +0,0 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.hpp>
#include <memory.hpp>
#include <acpi.hpp>
#include <debug.h>
#include <io.h>
#include "../../kernel.h"
namespace Time
{
bool HighPrecisionEventTimer::Sleep(size_t Duration, Units Unit)
{
#if defined(__amd64__)
uint64_t Target = mminq(&hpet->MainCounterValue) + (Duration * ConvertUnit(Unit)) / clk;
while (mminq(&hpet->MainCounterValue) < Target)
CPU::Pause();
return true;
#elif defined(__i386__)
uint64_t Target = mminl(&hpet->MainCounterValue) + (Duration * ConvertUnit(Unit)) / clk;
while (mminl(&hpet->MainCounterValue) < Target)
CPU::Pause();
return true;
#endif
return false;
}
uint64_t HighPrecisionEventTimer::GetCounter()
{
#if defined(__amd64__)
return mminq(&hpet->MainCounterValue);
#elif defined(__i386__)
return mminl(&hpet->MainCounterValue);
#else
return 0;
#endif
}
uint64_t HighPrecisionEventTimer::CalculateTarget(uint64_t Target, Units Unit)
{
#if defined(__amd64__)
return mminq(&hpet->MainCounterValue) + (Target * ConvertUnit(Unit)) / clk;
#elif defined(__i386__)
return mminl(&hpet->MainCounterValue) + (Target * ConvertUnit(Unit)) / clk;
#else
return 0;
#endif
}
uint64_t HighPrecisionEventTimer::GetNanosecondsSinceClassCreation()
{
#if defined(__amd64__) || defined(__i386__)
uint64_t Subtraction = this->GetCounter() - this->ClassCreationTime;
if (Subtraction <= 0 || this->clk <= 0)
return 0;
Subtraction *= ConvertUnit(Units::Nanoseconds);
return uint64_t(Subtraction / this->clk);
#else
return 0;
#endif
}
HighPrecisionEventTimer::HighPrecisionEventTimer(void *hpet)
{
#if defined(__amd64__) || defined(__i386__)
ACPI::ACPI::HPETHeader *HPET_HDR = (ACPI::ACPI::HPETHeader *)hpet;
Memory::Virtual vmm;
vmm.Map((void *)HPET_HDR->Address.Address,
(void *)HPET_HDR->Address.Address,
Memory::PTFlag::RW | Memory::PTFlag::PCD);
this->hpet = (HPET *)HPET_HDR->Address.Address;
trace("%s timer is at address %016p",
HPET_HDR->Header.OEMID,
(void *)HPET_HDR->Address.Address);
clk = s_cst(uint32_t, (uint64_t)this->hpet->GeneralCapabilities >> 32);
KPrint("HPET clock is %u Hz", clk);
#ifdef __amd64__
mmoutq(&this->hpet->GeneralConfiguration, 0);
mmoutq(&this->hpet->MainCounterValue, 0);
mmoutq(&this->hpet->GeneralConfiguration, 1);
#else
mmoutl(&this->hpet->GeneralConfiguration, 0);
mmoutl(&this->hpet->MainCounterValue, 0);
mmoutl(&this->hpet->GeneralConfiguration, 1);
#endif
ClassCreationTime = this->GetCounter();
#endif
}
HighPrecisionEventTimer::~HighPrecisionEventTimer()
{
}
}

208
Kernel/core/time/timer.cpp
View File

@ -1,208 +0,0 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.hpp>
#include <memory.hpp>
#include <acpi.hpp>
#include <debug.h>
#include <io.h>
#include "../../kernel.h"
namespace Time
{
bool time::Sleep(size_t Duration, Units Unit)
{
switch (ActiveTimer)
{
case NONE:
error("No timer is active");
return false;
case RTC:
fixme("RTC sleep not implemented");
return false;
case PIT:
fixme("PIT sleep not implemented");
return false;
case HPET:
return this->hpet->Sleep(Duration, Unit);
case ACPI:
fixme("ACPI sleep not implemented");
return false;
case APIC:
fixme("APIC sleep not implemented");
return false;
case TSC:
return this->tsc->Sleep(Duration, Unit);
default:
error("Unknown timer");
return false;
}
}
uint64_t time::GetCounter()
{
switch (ActiveTimer)
{
case NONE:
error("No timer is active");
return 0;
case RTC:
fixme("RTC sleep not implemented");
return 0;
case PIT:
fixme("PIT sleep not implemented");
return 0;
case HPET:
return this->hpet->GetCounter();
case ACPI:
fixme("ACPI sleep not implemented");
return 0;
case APIC:
fixme("APIC sleep not implemented");
return 0;
case TSC:
return this->tsc->GetCounter();
default:
error("Unknown timer");
return 0;
}
}
uint64_t time::CalculateTarget(uint64_t Target, Units Unit)
{
switch (ActiveTimer)
{
case NONE:
error("No timer is active");
return 0;
case RTC:
fixme("RTC sleep not implemented");
return 0;
case PIT:
fixme("PIT sleep not implemented");
return 0;
case HPET:
return this->hpet->CalculateTarget(Target, Unit);
case ACPI:
fixme("ACPI sleep not implemented");
return 0;
case APIC:
fixme("APIC sleep not implemented");
return 0;
case TSC:
return this->tsc->CalculateTarget(Target, Unit);
default:
error("Unknown timer");
return 0;
}
}
uint64_t time::GetNanosecondsSinceClassCreation()
{
switch (ActiveTimer)
{
case NONE:
error("No timer is active");
return 0;
case RTC:
fixme("RTC sleep not implemented");
return 0;
case PIT:
fixme("PIT sleep not implemented");
return 0;
case HPET:
return this->hpet->GetNanosecondsSinceClassCreation();
case ACPI:
fixme("ACPI sleep not implemented");
return 0;
case APIC:
fixme("APIC sleep not implemented");
return 0;
case TSC:
return this->tsc->GetNanosecondsSinceClassCreation();
default:
error("Unknown timer");
return 0;
}
}
void time::FindTimers(void *acpi)
{
#if defined(__amd64__) || defined(__i386__)
/* TODO: RTC check */
/* TODO: PIT check */
if (acpi)
{
if (((ACPI::ACPI *)acpi)->HPET)
{
hpet = new HighPrecisionEventTimer(((ACPI::ACPI *)acpi)->HPET);
ActiveTimer = HPET;
SupportedTimers |= HPET;
KPrint("HPET found");
}
else
{
KPrint("\x1b[33mHPET not found");
}
/* TODO: ACPI check */
/* TODO: APIC check */
}
else
{
KPrint("\x1b[33mACPI not found");
}
bool TSCInvariant = false;
if (strcmp(CPU::Vendor(), x86_CPUID_VENDOR_AMD) == 0)
{
CPU::x86::AMD::CPUID0x80000007 cpuid80000007;
if (cpuid80000007.EDX.TscInvariant)
TSCInvariant = true;
}
else if (strcmp(CPU::Vendor(), x86_CPUID_VENDOR_INTEL) == 0)
{
// TODO: Intel 0x80000007
CPU::x86::AMD::CPUID0x80000007 cpuid80000007;
if (cpuid80000007.EDX.TscInvariant)
TSCInvariant = true;
}
if (TSCInvariant)
{
tsc = new TimeStampCounter;
// FIXME: ActiveTimer = TSC;
SupportedTimers |= TSC;
KPrint("Invariant TSC found");
}
else
KPrint("\x1b[33mTSC is not invariant");
#endif
}
time::time()
{
}
time::~time()
{
}
}

84
Kernel/core/time/tsc.cpp
View File

@ -1,84 +0,0 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.hpp>
#include <memory.hpp>
#include <acpi.hpp>
#include <debug.h>
#include <io.h>
#include "../../kernel.h"
namespace Time
{
bool TimeStampCounter::Sleep(size_t Duration, Units Unit)
{
#if defined(__amd64__) || defined(__i386__)
uint64_t Target = this->GetCounter() + (Duration * ConvertUnit(Unit)) / this->clk;
while (this->GetCounter() < Target)
CPU::Pause();
return true;
#elif defined(__aarch64__)
return 0;
#endif
}
uint64_t TimeStampCounter::GetCounter()
{
#if defined(__amd64__) || defined(__i386__)
return CPU::Counter();
#elif defined(__aarch64__)
return 0;
#endif
}
uint64_t TimeStampCounter::CalculateTarget(uint64_t Target, Units Unit)
{
#if defined(__amd64__) || defined(__i386__)
return uint64_t((this->GetCounter() + (Target * ConvertUnit(Unit))) / this->clk);
#elif defined(__aarch64__)
return 0;
#endif
}
uint64_t TimeStampCounter::GetNanosecondsSinceClassCreation()
{
#if defined(__amd64__) || defined(__i386__)
return uint64_t((this->GetCounter() - this->ClassCreationTime) / this->clk);
#elif defined(__aarch64__)
return 0;
#endif
}
TimeStampCounter::TimeStampCounter()
{
#if defined(__amd64__) || defined(__i386__)
stub; // FIXME: This is not a good way to measure the clock speed
uint64_t Start = CPU::Counter();
TimeManager->Sleep(1, Units::Milliseconds);
uint64_t End = CPU::Counter();
this->clk = End - Start;
this->ClassCreationTime = this->GetCounter();
#endif
}
TimeStampCounter::~TimeStampCounter()
{
}
}

6
Kernel/include/task.hpp
View File

@ -626,11 +626,11 @@ namespace Tasking
void WaitForThreadStatus(TCB *tcb, TaskState State);
/**
* Sleep for a given amount of milliseconds
* Sleep for a given amount of nenoseconds
*
* @param Milliseconds Amount of milliseconds to sleep
* @param Nanoseconds Amount of nenoseconds to sleep
*/
void Sleep(uint64_t Milliseconds, bool NoSwitch = false);
void Sleep(uint64_t Nanoseconds, bool NoSwitch = false);
PCB *CreateProcess(PCB *Parent,
const char *Name,

221
Kernel/include/time.hpp
View File

@ -21,9 +21,24 @@
#include <types.h>
#include <debug.h>
#include <cassert>
#include <vector>
namespace Time
{
class ITimer
{
protected:
uint64_t ClassCreationTime = 0;
public:
virtual const char *Name() const = 0;
virtual bool IsAvailable() const = 0;
virtual bool SupportsNanoseconds() const = 0;
virtual bool Sleep(uint64_t Nanoseconds) = 0;
virtual uint64_t GetNanoseconds() = 0;
virtual ~ITimer() = default;
};
struct Clock
{
int Year, Month, Day, Hour, Minute, Second;
@ -33,138 +48,148 @@ namespace Time
Clock ReadClock();
Clock ConvertFromUnix(int Timestamp);
enum Units
inline uint64_t FromSeconds(uint64_t Seconds) { return Seconds * 1'000'000'000ULL; }
inline uint64_t FromMilliseconds(uint64_t Milliseconds) { return Milliseconds * 1'000'000ULL; }
inline uint64_t ToSeconds(uint64_t Nanoseconds) { return Nanoseconds / 1'000'000'000ULL; }
inline uint64_t ToMilliseconds(uint64_t Nanoseconds) { return Nanoseconds / 1'000'000ULL; }
class ProgrammableIntervalTimer : public ITimer
{
Femtoseconds,
Picoseconds,
Nanoseconds,
Microseconds,
Milliseconds,
Seconds,
Minutes,
Hours,
Days,
Months,
Years
public:
const char *Name() const override { return "PIT"; }
bool IsAvailable() const override;
bool SupportsNanoseconds() const override { return false; }
bool Sleep(uint64_t Nanoseconds) override;
uint64_t GetNanoseconds() override { return 0; }
ProgrammableIntervalTimer();
~ProgrammableIntervalTimer();
};
/** @deprecated this shouldn't be used */
inline uint64_t ConvertUnit(const Units Unit)
class RealTimeClock : public ITimer
{
switch (Unit)
{
case Femtoseconds:
return 1;
case Picoseconds:
return 1000;
case Nanoseconds:
return 1000000;
case Microseconds:
return 1000000000;
case Milliseconds:
return 1000000000000;
case Seconds:
return 1000000000000000;
case Minutes:
return 1000000000000000000;
// case Hours:
// return 1000000000000000000000;
// case Days:
// return 1000000000000000000000000;
// case Months:
// return 1000000000000000000000000000;
// case Years:
// return 1000000000000000000000000000000;
default:
assert(!"Invalid time unit");
}
}
public:
const char *Name() const override { return "RTC"; }
bool IsAvailable() const override;
bool SupportsNanoseconds() const override { return false; }
class HighPrecisionEventTimer
bool Sleep(uint64_t Nanoseconds) override;
uint64_t GetNanoseconds() override { return 0; }
RealTimeClock();
~RealTimeClock();
};
class HighPrecisionEventTimer : public ITimer
{
private:
struct HPET
{
uint64_t GeneralCapabilities;
uint64_t Reserved0;
uint64_t GeneralConfiguration;
uint64_t Reserved1;
uint64_t GeneralIntStatus;
uint64_t Reserved2;
uint64_t Reserved3[24];
uint64_t MainCounterValue;
uint64_t Reserved4;
uint64_t CapabilitiesID;
uint64_t __reserved0;
uint64_t Configuration;
uint64_t __reserved1;
uint64_t InterruptStatus;
uint64_t __reserved2[25];
uint64_t MainCounter;
uint64_t __reserved3;
};
uint32_t clk = 0;
uint64_t Period = 0;
HPET *hpet = nullptr;
uint64_t ClassCreationTime = 0;
public:
bool Sleep(size_t Duration, Units Unit);
uint64_t GetCounter();
uint64_t CalculateTarget(uint64_t Target, Units Unit);
uint64_t GetNanosecondsSinceClassCreation();
const char *Name() const override { return "HPET"; }
bool IsAvailable() const override { return hpet != nullptr; }
bool SupportsNanoseconds() const override { return true; }
bool Sleep(uint64_t Nanoseconds) override;
uint64_t GetNanoseconds() override;
HighPrecisionEventTimer(void *hpet);
~HighPrecisionEventTimer();
};
class TimeStampCounter
class TimeStampCounter : public ITimer
{
private:
uint64_t clk = 0;
uint64_t ClassCreationTime = 0;
public:
bool Sleep(size_t Duration, Units Unit);
uint64_t GetCounter();
uint64_t CalculateTarget(uint64_t Target, Units Unit);
uint64_t GetNanosecondsSinceClassCreation();
const char *Name() const override { return "TSC"; }
bool IsAvailable() const override { return clk != 0; }
bool SupportsNanoseconds() const override { return true; }
bool Sleep(uint64_t Nanoseconds) override;
uint64_t GetNanoseconds() override;
TimeStampCounter();
~TimeStampCounter();
~TimeStampCounter() = default;
};
class time
class KVMClock : public ITimer
{
public:
enum TimeActiveTimer
{
NONE = 0b0,
RTC = 0b1,
PIT = 0b10,
HPET = 0b100,
ACPI = 0b1000,
APIC = 0b10000,
TSC = 0b100000
};
private:
int SupportedTimers = 0;
TimeActiveTimer ActiveTimer = NONE;
struct kvm_clock_pairing
{
int64_t sec;
int64_t nsec;
uint64_t tsc;
uint32_t flags;
uint32_t pad[9];
};
HighPrecisionEventTimer *hpet;
TimeStampCounter *tsc;
struct pvclock_vcpu_time_info
{
uint32_t version;
uint32_t pad0;
uint64_t tsc_timestamp;
uint64_t system_time;
uint32_t tsc_to_system_mul;
int8_t tsc_shift;
uint8_t flags;
uint8_t pad[2];
};
struct ms_hyperv_tsc_page
{
volatile uint32_t tsc_sequence;
uint32_t reserved1;
volatile uint64_t tsc_scale;
volatile int64_t tsc_offset;
uint64_t reserved2[509];
};
uint64_t clk = 0;
kvm_clock_pairing *Pairing = nullptr;
public:
int GetSupportedTimers() { return SupportedTimers; }
TimeActiveTimer GetActiveTimer() { return ActiveTimer; }
bool ChangeActiveTimer(TimeActiveTimer Timer)
{
if (!(SupportedTimers & Timer))
return false;
ActiveTimer = Timer;
return true;
}
const char *Name() const override { return "KVM"; }
bool IsAvailable() const override { return clk != 0; }
bool SupportsNanoseconds() const override { return true; }
bool Sleep(uint64_t Nanoseconds) override;
uint64_t GetNanoseconds() override;
bool Sleep(size_t Duration, Units Unit);
uint64_t GetCounter();
uint64_t CalculateTarget(uint64_t Target, Units Unit);
uint64_t GetNanosecondsSinceClassCreation();
void FindTimers(void *acpi);
time();
~time();
KVMClock();
~KVMClock();
};
class Manager
{
private:
void *acpi = nullptr;
std::vector<ITimer *> Timers;
int ActiveTimer = -1;
public:
void CheckActiveTimer();
bool Sleep(uint64_t Nanoseconds);
uint64_t GetTimeNs();
const char *GetActiveTimerName();
void InitializeTimers();
Manager(void *acpi);
~Manager() = delete;
};
}

20
Kernel/kernel.cpp
View File

@ -57,7 +57,7 @@ struct KernelConfig Config = {
Video::Display *Display = nullptr;
SymbolResolver::Symbols *KernelSymbolTable = nullptr;
Power::Power *PowerManager = nullptr;
Time::time *TimeManager = nullptr;
Time::Manager *TimeManager = nullptr;
Tasking::Task *TaskManager = nullptr;
PCI::Manager *PCIManager = nullptr;
Driver::Manager *DriverManager = nullptr;
@ -76,14 +76,14 @@ EXTERNC void _KPrint(const char *Format, va_list Args)
{
SmartLock(KernelLock);
uint64_t nano = TimeManager ? TimeManager->GetNanosecondsSinceClassCreation() : 0;
uint64_t nano = TimeManager ? TimeManager->GetTimeNs() : 0;
#if defined(__amd64__)
printf("\x1b[1;30m[\x1b[1;34m%lu.%07lu\x1b[1;30m]\x1b[0m ", nano / 10000000, nano % 10000000);
printf("\x1b[1;30m[\x1b[1;34m%lu.%07lu\x1b[1;30m]\x1b[0m ", Time::ToSeconds(nano), nano % 10000000);
#elif defined(__i386__)
printf("\x1b[1;30m[\x1b[1;34m%llu.%07llu\x1b[1;30m]\x1b[0m ", nano / 10000000, nano % 10000000);
printf("\x1b[1;30m[\x1b[1;34m%llu.%07llu\x1b[1;30m]\x1b[0m ", Time::ToSeconds(nano), nano % 10000000);
#elif defined(__aarch64__)
printf("\x1b[1;30m[\x1b[1;34m%lu.%07lu\x1b[1;30m]\x1b[0m ", nano / 10000000, nano % 10000000);
printf("\x1b[1;30m[\x1b[1;34m%lu.%07lu\x1b[1;30m]\x1b[0m ", Time::ToSeconds(nano), nano % 10000000);
#endif
vprintf(Format, Args);
@ -232,8 +232,8 @@ EXTERNC nif cold void Main()
#endif
KPrint("Initializing Timers");
TimeManager = new Time::time;
TimeManager->FindTimers(PowerManager->GetACPI());
TimeManager = new Time::Manager(PowerManager->GetACPI());
TimeManager->InitializeTimers();
KPrint("Initializing PCI Manager");
PCIManager = new PCI::Manager;
@ -388,12 +388,6 @@ EXTERNC __no_stack_protector void BeforeShutdown(bool Reboot)
if (fs)
delete fs, fs = nullptr;
KPrint("Stopping timers");
if (TimeManager)
delete TimeManager, TimeManager = nullptr;
// PowerManager should not be called
// https://wiki.osdev.org/Calling_Global_Constructors
KPrint("Calling destructors");
for (CallPtr *fct = __fini_array_start; fct != __fini_array_end; fct++)

2
Kernel/kernel.h
View File

@ -48,7 +48,7 @@ extern bool DebuggerIsAttached;
extern Video::Display *Display;
extern SymbolResolver::Symbols *KernelSymbolTable;
extern Power::Power *PowerManager;
extern Time::time *TimeManager;
extern Time::Manager *TimeManager;
extern PCI::Manager *PCIManager;
extern vfs::Virtual *fs;
extern Tasking::Task *TaskManager;

2
Kernel/kernel_thread.cpp
View File

@ -169,7 +169,7 @@ Exit:
ExitCode, ExitCode < 0 ? -ExitCode : ExitCode);
KPrint("Dropping to kernel shell");
TaskManager->Sleep(1000);
TaskManager->Sleep(Time::FromMilliseconds(1000));
TaskManager->CreateThread(thisProcess, Tasking::IP(KShellThread))->Rename("Kernel Shell");
CPU::Halt(true);
}

2
Kernel/kshell/commands/uptime.cpp
View File

@ -28,7 +28,7 @@ void cmd_uptime(const char *)
if (TimeManager)
{
uint64_t Nanoseconds =
TimeManager->GetNanosecondsSinceClassCreation();
TimeManager->GetTimeNs();
uint64_t Seconds = Nanoseconds / 10000000;
uint64_t Minutes = Seconds / 60;
uint64_t Hours = Minutes / 60;

27
Kernel/subsystem/linux/syscall.cpp
View File

@ -1389,10 +1389,10 @@ static int linux_nanosleep(SysFrm *,
pReq->tv_nsec, pReq->tv_sec);
uint64_t nanoTime = pReq->tv_nsec;
uint64_t secTime = pReq->tv_sec * 1000000000; /* Nano */
uint64_t secTime = Time::FromSeconds(pReq->tv_sec);
uint64_t time = TimeManager->GetCounter();
uint64_t sleepTime = TimeManager->CalculateTarget(nanoTime + secTime, Time::Nanoseconds);
uint64_t time = TimeManager->GetTimeNs();
uint64_t sleepTime = TimeManager->GetTimeNs() + secTime + nanoTime;
debug("time=%ld secTime=%ld nanoTime=%ld sleepTime=%ld",
time, secTime, nanoTime, sleepTime);
@ -1406,7 +1406,7 @@ static int linux_nanosleep(SysFrm *,
}
pcb->GetContext()->Yield();
time = TimeManager->GetCounter();
time = TimeManager->GetTimeNs();
}
debug("time= %ld", time);
debug("sleepTime=%ld", sleepTime);
@ -2582,7 +2582,7 @@ static int linux_sysinfo(SysFrm *, struct sysinfo *info)
if (pInfo == nullptr)
return -linux_EFAULT;
uint64_t nano = TimeManager->GetNanosecondsSinceClassCreation();
uint64_t nano = TimeManager->GetTimeNs();
if (nano != 0)
nano /= 10000000;
@ -3185,18 +3185,18 @@ static int linux_clock_gettime(SysFrm *, clockid_t clockid, struct timespec *tp)
{
case linux_CLOCK_REALTIME:
{
uint64_t time = TimeManager->GetCounter();
pTp->tv_sec = time / Time::ConvertUnit(Time::Seconds);
pTp->tv_nsec = time / Time::ConvertUnit(Time::Nanoseconds);
uint64_t time = TimeManager->GetTimeNs();
pTp->tv_sec = Time::ToSeconds(time);
pTp->tv_nsec = time;
debug("time=%ld sec=%ld nsec=%ld",
time, pTp->tv_sec, pTp->tv_nsec);
break;
}
case linux_CLOCK_MONOTONIC:
{
uint64_t time = TimeManager->GetCounter();
pTp->tv_sec = time / Time::ConvertUnit(Time::Seconds);
pTp->tv_nsec = time / Time::ConvertUnit(Time::Nanoseconds);
uint64_t time = TimeManager->GetTimeNs();
pTp->tv_sec = Time::ToSeconds(time);
pTp->tv_nsec = time;
debug("time=%ld sec=%ld nsec=%ld",
time, pTp->tv_sec, pTp->tv_nsec);
break;
@ -3244,9 +3244,8 @@ static int linux_clock_nanosleep(SysFrm *, clockid_t clockid, int flags,
case linux_CLOCK_REALTIME:
case linux_CLOCK_MONOTONIC:
{
uint64_t time = TimeManager->GetCounter();
uint64_t rqTime = pRequest->tv_sec * Time::ConvertUnit(Time::Seconds) +
pRequest->tv_nsec * Time::ConvertUnit(Time::Nanoseconds);
uint64_t time = TimeManager->GetTimeNs();
uint64_t rqTime = Time::FromSeconds(pRequest->tv_sec) + pRequest->tv_nsec;
debug("Sleeping for %ld", rqTime - time);
if (rqTime > time)

100
Kernel/subsystem/time/hpet.cpp Normal file
View File

@ -0,0 +1,100 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.hpp>
#include <memory.hpp>
#include <acpi.hpp>
#include <debug.h>
#include <io.h>
#include "../../kernel.h"
namespace Time
{
bool HighPrecisionEventTimer::Sleep(size_t Nanoseconds)
{
uint64_t target = this->GetNanoseconds() + Nanoseconds;
while (this->GetNanoseconds() < target)
CPU::Pause();
return true;
}
uint64_t HighPrecisionEventTimer::GetNanoseconds()
{
#if defined(__amd64__)
uint64_t counter = mminq(&this->hpet->MainCounter);
#elif defined(__i386__)
uint64_t counter = mminl(&this->hpet->MainCounter);
#else
return 0;
#endif
/* convert ticks to nanoseconds: counter * period_fs / 1e6 */
return (counter * 1'000'000'000ULL) / this->Period;
}
HighPrecisionEventTimer::HighPrecisionEventTimer(void *hpet)
{
#if defined(__amd64__) || defined(__i386__)
ACPI::ACPI::HPETHeader *hdr = (ACPI::ACPI::HPETHeader *)hpet;
Memory::Virtual vmm;
vmm.Map((void *)hdr->Address.Address, (void *)hdr->Address.Address, Memory::RW | Memory::PCD | Memory::PWT);
this->hpet = reinterpret_cast<HPET *>(hdr->Address.Address);
debug("%s timer is at address %#lx", hdr->Header.OEMID, hdr->Address.Address);
uint64_t period_fs = this->hpet->CapabilitiesID >> 32;
if (period_fs == 0)
{
warn("HPET: Invalid period in CapabilitiesID");
return;
}
/* Hz = 1e15 / period_fs */
this->Period = 1'000'000'000'000'000ULL / period_fs;
KPrint("HPET tick period: %lu femtoseconds -> %u Hz", period_fs, this->Period);
#ifdef __amd64__
mmoutq(&this->hpet->Configuration, 0);
mmoutq(&this->hpet->MainCounter, 0);
mmoutq(&this->hpet->Configuration, 1);
#else
mmoutl(&this->hpet->Configuration, 0);
mmoutl(&this->hpet->MainCounter, 0);
mmoutl(&this->hpet->Configuration, 1);
#endif
for (int i = 0; i < 5; i++)
{
uint64_t val = mminq(&this->hpet->MainCounter);
KPrint("HPET counter test %d: %llu", i, val);
}
uint64_t cfg = mminq(&this->hpet->Configuration);
if (!(cfg & 1))
warn("HPET counter is not enabled!");
ClassCreationTime = this->GetNanoseconds();
#endif
}
HighPrecisionEventTimer::~HighPrecisionEventTimer()
{
#ifdef __amd64__
mmoutq(&this->hpet->Configuration, 0);
#else
mmoutl(&this->hpet->Configuration, 0);
#endif
}
}

71
Kernel/subsystem/time/kvm_clock.cpp Normal file
View File

@ -0,0 +1,71 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.hpp>
#include <memory.hpp>
#include <acpi.hpp>
#include <debug.h>
#include <io.h>
#include "../../kernel.h"
#define KVM_CLOCK_PAIRING_WALLCLOCK 0
namespace Time
{
extern "C" void kvm_hc_clock_pairing(uint64_t phys_addr, uint64_t clock_type)
{
#if defined(__amd64__)
asm volatile(
"mov $9, %%eax\n\t" /* KVM_HC_CLOCK_PAIRING */
"mov %%rdi, %%rbx\n\t"
"mov %%rsi, %%rcx\n\t"
"vmcall\n\t"
:
: "D"(phys_addr), "S"(clock_type)
: "rax", "rbx", "rcx");
#else
#warning "KVM clock pairing not implemented for this architecture"
#endif
}
bool KVMClock::Sleep(uint64_t Nanoseconds)
{
return true;
}
uint64_t KVMClock::GetNanoseconds()
{
return 0;
}
KVMClock::KVMClock()
{
if (strcmp(CPU::Hypervisor(), x86_CPUID_VENDOR_KVM) != 0)
return;
this->Pairing = (kvm_clock_pairing *)KernelAllocator.RequestPages(TO_PAGES(sizeof(kvm_clock_pairing)));
kvm_hc_clock_pairing((uint64_t)this->Pairing, KVM_CLOCK_PAIRING_WALLCLOCK);
// KPrint("sec: %lld, nsec: %lld, tsc: %lld", this->Pairing->sec, this->Pairing->nsec, this->Pairing->tsc);
// KPrint("flags: %x", this->Pairing->flags);
}
KVMClock::~KVMClock()
{
}
}

107
Kernel/subsystem/time/manager.cpp Normal file
View File

@ -0,0 +1,107 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.hpp>
#include <memory.hpp>
#include <acpi.hpp>
#include <debug.h>
#include <io.h>
#include "../../kernel.h"
namespace Time
{
void Manager::CheckActiveTimer()
{
if (unlikely(Timers[ActiveTimer]->IsAvailable() == false))
{
for (size_t i = Timers.size(); i-- > 0;)
{
if (Timers[i]->IsAvailable() == false)
continue;
ActiveTimer = i;
break;
}
}
}
bool Manager::Sleep(size_t Nanoseconds)
{
if (unlikely(Timers.empty()))
return false;
this->CheckActiveTimer();
debug("sleep for %d ns in timer %s", Nanoseconds, Timers[ActiveTimer]->Name());
return Timers[ActiveTimer]->Sleep(Nanoseconds);
}
uint64_t Manager::GetTimeNs()
{
if (unlikely(Timers.empty()))
return 0;
this->CheckActiveTimer();
return Timers[ActiveTimer]->GetNanoseconds();
}
const char *Manager::GetActiveTimerName()
{
if (unlikely(Timers.empty()))
return "\0";
this->CheckActiveTimer();
return Timers[ActiveTimer]->Name();
}
void Manager::InitializeTimers()
{
#if defined(__amd64__) || defined(__i386__)
/* TODO: RTC check */
/* TODO: PIT check */
if (acpi)
{
if (((ACPI::ACPI *)acpi)->HPET)
{
ITimer *hpet = new HighPrecisionEventTimer(((ACPI::ACPI *)acpi)->HPET);
ActiveTimer = Timers.size();
Timers.push_back(hpet);
}
/* TODO: ACPI check */
/* TODO: APIC check */
}
else
{
KPrint("\x1b[33mACPI not available");
}
ITimer *tsc = new TimeStampCounter;
ActiveTimer = Timers.size();
Timers.push_back(tsc);
ITimer *kvmclock = new KVMClock;
ActiveTimer = Timers.size();
Timers.push_back(kvmclock);
#endif
assert(Timers.empty() == false);
}
Manager::Manager(void *_acpi) : acpi(_acpi) {}
}

0
Kernel/core/time/time.cpp → Kernel/subsystem/time/rtc.cpp
View File

105
Kernel/subsystem/time/tsc.cpp Normal file
View File

@ -0,0 +1,105 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.hpp>
#include <memory.hpp>
#include <acpi.hpp>
#include <debug.h>
#include <io.h>
#include "../../kernel.h"
namespace Time
{
static inline uint64_t rdtsc()
{
#if defined(__amd64__) || defined(__i386__)
unsigned int lo, hi;
__asm__ __volatile__("rdtsc" : "=a"(lo), "=d"(hi));
return ((uint64_t)hi << 32) | lo;
#else
return 0;
#endif
}
bool TimeStampCounter::Sleep(uint64_t Nanoseconds)
{
uint64_t target = this->GetNanoseconds() + Nanoseconds;
while (this->GetNanoseconds() < target)
CPU::Pause();
return true;
}
uint64_t TimeStampCounter::GetNanoseconds()
{
uint64_t tsc = rdtsc();
return (tsc * 1000000000ULL) / this->clk;
}
TimeStampCounter::TimeStampCounter()
{
bool TSCInvariant = false;
if (strcmp(CPU::Vendor(), x86_CPUID_VENDOR_AMD) == 0)
{
CPU::x86::AMD::CPUID0x80000007 cpuid80000007;
if (cpuid80000007.EDX.TscInvariant)
TSCInvariant = true;
}
else if (strcmp(CPU::Vendor(), x86_CPUID_VENDOR_INTEL) == 0)
{
// TODO: Intel 0x80000007
CPU::x86::AMD::CPUID0x80000007 cpuid80000007;
if (cpuid80000007.EDX.TscInvariant)
TSCInvariant = true;
}
if (!TSCInvariant)
{
KPrint("\x1b[33mTSC is not invariant");
return;
}
const int attempts = 5;
uint64_t ns = 10000000ULL; /* 10 ms */
uint64_t total_clk = 0;
uint64_t overhead = 0;
for (int i = 0; i < attempts; ++i)
{
uint64_t t0 = rdtsc();
uint64_t t1 = rdtsc();
overhead += (t1 - t0);
}
overhead /= attempts;
for (int i = 0; i < attempts; ++i)
{
uint64_t tsc_start = rdtsc();
uint64_t hpet_start = TimeManager->GetTimeNs();
while (TimeManager->GetTimeNs() - hpet_start < ns)
CPU::Pause();
uint64_t tsc_end = rdtsc();
total_clk += (tsc_end - tsc_start - overhead) * 1000000000ULL / ns;
}
this->clk = total_clk / attempts;
KPrint("TSC frequency: %lu MHz", this->clk / 1000000);
this->ClassCreationTime = this->GetNanoseconds();
fixme("tsc not working as expected");
this->clk = 0; /* disable */
}
}

2
Kernel/tasking/process.cpp
View File

@ -251,7 +251,7 @@ namespace Tasking
this->AllocatedMemory += sizeof(Memory::ProgramBreak);
this->AllocatedMemory += sizeof(SymbolResolver::Symbols);
this->Info.SpawnTime = TimeManager->GetCounter();
this->Info.SpawnTime = TimeManager->GetTimeNs();
if (Parent)
Parent->Children.push_back(this);

20
Kernel/tasking/scheduler/custom.cpp
View File

@ -290,7 +290,7 @@ namespace Tasking::Scheduler
hot nsa void Custom::UpdateUsage(TaskInfo *Info, TaskExecutionMode Mode, int Core)
{
UNUSED(Core);
uint64_t CurrentTime = TimeManager->GetCounter();
uint64_t CurrentTime = TimeManager->GetTimeNs();
uint64_t TimePassed = Info->LastUpdateTime - CurrentTime;
Info->LastUpdateTime = CurrentTime;
@ -529,7 +529,7 @@ namespace Tasking::Scheduler
continue;
/* Check if the thread is ready to wake up. */
if (unlikely(thread->Info.SleepUntil < TimeManager->GetCounter()))
if (unlikely(thread->Info.SleepUntil < TimeManager->GetTimeNs()))
{
if (pState == TaskState::Sleeping)
process->State.store(TaskState::Ready);
@ -541,7 +541,7 @@ namespace Tasking::Scheduler
else
{
wut_schedbg("Thread \"%s\"(%d) is not ready to wake up. (SleepUntil: %d, Counter: %d)",
thread->Name, thread->ID, thread->Info.SleepUntil, TimeManager->GetCounter());
thread->Name, thread->ID, thread->Info.SleepUntil, TimeManager->GetTimeNs());
}
}
}
@ -574,7 +574,7 @@ namespace Tasking::Scheduler
return;
}
bool ProcessNotChanged = false;
uint64_t SchedTmpTicks = TimeManager->GetCounter();
uint64_t SchedTmpTicks = TimeManager->GetTimeNs();
this->LastTaskTicks.store(size_t(SchedTmpTicks - this->SchedulerTicks.load()));
CPUData *CurrentCPU = GetCurrentCPU();
this->LastCore.store(CurrentCPU->ID);
@ -621,7 +621,7 @@ namespace Tasking::Scheduler
CurrentCPU->CurrentProcess->State.store(TaskState::Running);
CurrentCPU->CurrentThread->State.store(TaskState::Running);
*Frame = CurrentCPU->CurrentThread->Registers;
this->SchedulerTicks.store(size_t(TimeManager->GetCounter() - SchedTmpTicks));
this->SchedulerTicks.store(size_t(TimeManager->GetTimeNs() - SchedTmpTicks));
return;
}
@ -696,8 +696,8 @@ namespace Tasking::Scheduler
CurrentCPU->CurrentProcess->Signals.HandleSignal(Frame, CurrentCPU->CurrentThread.load());
if (!ProcessNotChanged)
(&CurrentCPU->CurrentProcess->Info)->LastUpdateTime = TimeManager->GetCounter();
(&CurrentCPU->CurrentThread->Info)->LastUpdateTime = TimeManager->GetCounter();
(&CurrentCPU->CurrentProcess->Info)->LastUpdateTime = TimeManager->GetTimeNs();
(&CurrentCPU->CurrentThread->Info)->LastUpdateTime = TimeManager->GetTimeNs();
this->OneShot(CurrentCPU->CurrentThread->Info.Priority);
if (CurrentCPU->CurrentThread->Security.IsDebugEnabled &&
@ -720,7 +720,7 @@ namespace Tasking::Scheduler
#endif
}
this->SchedulerTicks.store(size_t(TimeManager->GetCounter() - SchedTmpTicks));
this->SchedulerTicks.store(size_t(TimeManager->GetTimeNs() - SchedTmpTicks));
}
hot nsa nif void Custom::OnInterruptReceived(CPU::SchedulerFrame *Frame)
@ -754,7 +754,7 @@ namespace Tasking::Scheduler
}
debug("Waiting for processes to terminate");
uint64_t timeout = TimeManager->CalculateTarget(20, Time::Units::Seconds);
uint64_t timeout = TimeManager->GetTimeNs() + Time::FromSeconds(20);
while (this->GetProcessList().size() > 0)
{
trace("Waiting for %d processes to terminate", this->GetProcessList().size());
@ -780,7 +780,7 @@ namespace Tasking::Scheduler
ctx->GetCurrentProcess()->Name,
ctx->GetCurrentProcess()->ID);
if (TimeManager->GetCounter() > timeout)
if (TimeManager->GetTimeNs() > timeout)
{
error("Timeout waiting for processes to terminate");
break;

8
Kernel/tasking/task.cpp
View File

@ -167,7 +167,7 @@ namespace Tasking
this->Yield();
}
void Task::Sleep(uint64_t Milliseconds, bool NoSwitch)
void Task::Sleep(uint64_t Nanoseconds, bool NoSwitch)
{
TCB *thread = this->GetCurrentThread();
PCB *process = thread->Parent;
@ -179,13 +179,11 @@ namespace Tasking
if (process->Threads.size() == 1)
process->SetState(TaskState::Sleeping);
thread->Info.SleepUntil =
TimeManager->CalculateTarget(Milliseconds,
Time::Units::Milliseconds);
thread->Info.SleepUntil = TimeManager->GetTimeNs() + Nanoseconds;
}
// #ifdef DEBUG
// uint64_t TicksNow = TimeManager->GetCounter();
// uint64_t TicksNow = TimeManager->GetTimeNs();
// #endif
// debug("Thread \"%s\"(%d) is going to sleep until %llu, current %llu, diff %llu",
// thread->Name, thread->ID, thread->Info.SleepUntil,

2
Kernel/tasking/thread.cpp
View File

@ -650,7 +650,7 @@ namespace Tasking
this->AllocatedMemory += strlen(this->Parent->Name) + 1;
this->AllocatedMemory += sizeof(Memory::StackGuard);
this->Info.SpawnTime = TimeManager->GetCounter();
this->Info.SpawnTime = TimeManager->GetTimeNs();
this->Parent->Threads.push_back(this);
if (this->Parent->Threads.size() == 1 &&

10
Kernel/tests/readdir.cpp
View File

@ -70,23 +70,23 @@ void readdir_sanity_tests()
KPrint("TEST /");
TestReadDirectory(t0);
TaskManager->Sleep(2000);
TaskManager->Sleep(Time::FromMilliseconds(2000));
KPrint("TEST /dev");
TestReadDirectory(t1);
TaskManager->Sleep(2000);
TaskManager->Sleep(Time::FromMilliseconds(2000));
KPrint("TEST /home");
TestReadDirectory(t2);
TaskManager->Sleep(2000);
TaskManager->Sleep(Time::FromMilliseconds(2000));
KPrint("TEST /var");
TestReadDirectory(t3);
TaskManager->Sleep(2000);
TaskManager->Sleep(Time::FromMilliseconds(2000));
KPrint("TEST /tmp");
TestReadDirectory(t4);
TaskManager->Sleep(2000);
TaskManager->Sleep(Time::FromMilliseconds(2000));
CPU::Stop();
}

2
Kernel/tests/task_heartbeat.cpp
View File

@ -29,7 +29,7 @@ void TaskHeartbeat()
while (true)
{
debug("Task Heartbeat");
TaskManager->Sleep(5000);
TaskManager->Sleep(Time::FromMilliseconds(5000));
}
}

8
Kernel/tests/taskmgr.cpp
View File

@ -67,7 +67,7 @@ void TaskMgr_Dummy100Usage()
void TaskMgr_Dummy0Usage()
{
while (1)
TaskManager->Sleep(1000000);
TaskManager->Sleep(Time::FromMilliseconds(1000000));
}
uint64_t GetUsage(uint64_t OldSystemTime, Tasking::TaskInfo *Info)
@ -75,7 +75,7 @@ uint64_t GetUsage(uint64_t OldSystemTime, Tasking::TaskInfo *Info)
/* https://github.com/reactos/reactos/blob/560671a784c1e0e0aa7590df5e0598c1e2f41f5a/base/applications/taskmgr/perfdata.c#L347 */
if (Info->OldKernelTime || Info->OldUserTime)
{
uint64_t SystemTime = TimeManager->GetCounter() - OldSystemTime;
uint64_t SystemTime = TimeManager->GetTimeNs() - OldSystemTime;
uint64_t CurrentTime = Info->KernelTime + Info->UserTime;
uint64_t OldTime = Info->OldKernelTime + Info->OldUserTime;
uint64_t CpuUsage = (CurrentTime - OldTime) / SystemTime;
@ -168,7 +168,7 @@ void TaskMgr()
#endif
}
}
OldSystemTime = TimeManager->GetCounter();
OldSystemTime = TimeManager->GetTimeNs();
#if defined(__amd64__)
register uintptr_t CurrentStackAddress asm("rsp");
printf("Sanity: %d, Stack: %#lx", sanity++, CurrentStackAddress);
@ -185,7 +185,7 @@ void TaskMgr()
if (!Config.Quiet)
Display->UpdateBuffer();
TaskManager->Sleep(100);
TaskManager->Sleep(Time::FromMilliseconds(100));
}
}

2
Makefile
View File

@ -14,6 +14,7 @@ QEMUFLAGS := -display gtk
ifeq ($(OSARCH), amd64)
QEMUFLAGS += -device vmware-svga -M q35 \
-cpu max \
-usb \
-device qemu-xhci,id=xhci \
-net user \
@ -40,6 +41,7 @@ QEMUFLAGS += -device vmware-svga -M q35 \
-acpitable file=tools/acpi/SSDT1.dat
else ifeq ($(OSARCH), i386)
QEMUFLAGS += -M q35 \
-cpu max \
-usb \
-device qemu-xhci,id=xhci \
-device usb-mouse,bus=xhci.0,pcap=mousex.pcap \