Update files

Architecture/amd64/DifferentiatedSystemDescriptionTable.cpp

@@ -61,8 +61,8 @@ namespace ACPI
         else if (Event & ACPI_POWER_BUTTON)
         {
             this->Shutdown();
-            Time tm = ReadClock();
+            Time::Clock tm = Time::ReadClock();
-            while (tm.Second == ReadClock().Second)
+            while (tm.Second == Time::ReadClock().Second)
                 ;
             outw(0xB004, 0x2000);
             outw(0x604, 0x2000);

Architecture/amd64/cpu/AdvancedProgrammableInterruptController.cpp

@@ -239,7 +239,7 @@ namespace APIC
         }
 
         this->Write(APIC_TPR, 0x0);
-        this->Write(APIC_SVR, this->Read(APIC_SVR) | 0x100); // 0x1FF or 0x100 ? on https://wiki.osdev.org/APIC is 0x100
+        // this->Write(APIC_SVR, this->Read(APIC_SVR) | 0x100); // 0x1FF or 0x100 ? on https://wiki.osdev.org/APIC is 0x100
 
         if (!this->x2APICSupported)
         {
@@ -292,8 +292,8 @@ namespace APIC
         LVTTimer timer = {.raw = 0};
         timer.Vector = Vector;
         timer.TimerMode = 0;
-        this->lapic->Write(APIC_TDCR, 0x0);
+        this->lapic->Write(APIC_TDCR, DivideBy16);
-        this->lapic->Write(APIC_TICR, (Ticks / 10) * Miliseconds);
+        this->lapic->Write(APIC_TICR, Ticks * Miliseconds);
         this->lapic->Write(APIC_TIMER, timer.raw);
     }
 
@@ -301,6 +301,8 @@ namespace APIC
     {
         SmartCriticalSection(APICLock);
         this->lapic = apic;
+        LVTTimerDivide Divider = DivideBy16;
+
         trace("Initializing APIC timer on CPU %d", GetCurrentCPU()->ID);
 
         // Setup the spurrious interrupt vector
@@ -309,51 +311,13 @@ namespace APIC
         Spurious.Software = 1;
         this->lapic->Write(APIC_SVR, Spurious.raw);
 
-        this->lapic->Write(APIC_TDCR, 0x0);
+        this->lapic->Write(APIC_TDCR, Divider);
         this->lapic->Write(APIC_TICR, 0xFFFFFFFF);
 
-        // After PIT sleep is completed. Mask the timer.
+        TimeManager->Sleep(10);
-        LVTTimer masktimer = {.raw = 0x10000};
-
-        // // PIT Config
-        // int Count = 10000; /* µs */
-        // int Ticks = 1193180 / (Count / 100);
-
-        // // https://wiki.osdev.org/Programmable_Interval_Timer#I.2FO_Ports
-
-        // // PIT Prepare
-        // int IOIn = inb(0x61);
-        // IOIn = (IOIn & 0xFD) | 1;
-        // outb(0x61, IOIn);
-        // outb(0x43, 178);
-        // outb(0x40, Ticks & 0xff);
-        // inb(0x60);
-        // outb(0x40, Ticks >> 8);
-
-        // // PIT Start
-        // IOIn = inb(0x61);
-        // IOIn = (IOIn & 0xFC);
-        // outb(0x61, IOIn);
-        // IOIn |= 1;
-        // outb(0x61, IOIn);
-        // uint32_t Loop = 0;
-        // while ((inb(0x61) & 0x20) != 0)
-        //     ++Loop;
-
-        // 10000ms
-        for (int i = 0; i < 10000; i++)
-            inb(0x80); // 1µs
 
         // Mask the timer
-        this->lapic->Write(APIC_TIMER, masktimer.raw);
+        this->lapic->Write(APIC_TIMER, 0x10000 /* LVTTimer.Mask flag */);
-
-        // // Disable the PIT
-        // outb(0x43, 0x28);
-        // outb(0x40, 0x0);
-
-        // outb(0x21, 0xFF);
-        // outb(0xA1, 0xFF);
-
         Ticks = 0xFFFFFFFF - this->lapic->Read(APIC_TCCR);
 
         // Config for IRQ0 timer
@@ -363,7 +327,7 @@ namespace APIC
         timer.TimerMode = Periodic;
 
         // Initialize APIC timer
-        this->lapic->Write(APIC_TDCR, 0x0);
+        this->lapic->Write(APIC_TDCR, Divider);
         this->lapic->Write(APIC_TICR, Ticks);
         this->lapic->Write(APIC_TIMER, timer.raw);
         trace("%d APIC Timer %d ticks in.", GetCurrentCPU()->ID, Ticks);

Core/Time.cpp

@@ -1,9 +1,11 @@
 #include <time.hpp>
 #include <io.h>
 
-Time ReadClock()
+namespace Time
 {
-    Time tm;
+    Clock ReadClock()
+    {
+        Clock tm;
 #if defined(__amd64__) || defined(__i386__)
         uint32_t t = 0;
         outb(0x70, 0x00);
@@ -36,3 +38,4 @@ Time ReadClock()
 #endif
         return tm;
     }
+}

Core/Timer.cpp

@@ -0,0 +1,55 @@
+#include <time.hpp>
+
+#include <memory.hpp>
+#include <debug.h>
+#include <io.h>
+
+#if defined(__amd64__)
+#include "../Architecture/amd64/acpi.hpp"
+#elif defined(__i386__)
+#elif defined(__aarch64__)
+#endif
+
+namespace Time
+{
+    void time::Sleep(uint64_t Milliseconds)
+    {
+        uint64_t Target = mminq(&((HPET *)hpet)->MainCounterValue) + (Milliseconds * 1000000000) / clk;
+        while (mminq(&((HPET *)hpet)->MainCounterValue) < Target)
+            ;
+    }
+
+    time::time(void *_acpi)
+    {
+        if (_acpi)
+        {
+#if defined(__amd64__)
+            this->acpi = _acpi;
+            ACPI::ACPI *acpi = (ACPI::ACPI *)this->acpi;
+            if (acpi->HPET)
+            {
+                Memory::Virtual().Map((void *)acpi->HPET->Address.Address,
+                                      (void *)acpi->HPET->Address.Address,
+                                      Memory::PTFlag::RW | Memory::PTFlag::PCD);
+                this->hpet = (void *)acpi->HPET->Address.Address;
+                HPET *hpet = (HPET *)this->hpet;
+                trace("%s timer is at address %016p", acpi->HPET->Header.OEMID, (void *)acpi->HPET->Address.Address);
+                clk = hpet->GeneralCapabilities >> 32;
+                mmoutq(&hpet->GeneralConfiguration, 0);
+                mmoutq(&hpet->MainCounterValue, 0);
+                mmoutq(&hpet->GeneralConfiguration, 1);
+            }
+            else
+            {
+                trace("HPET not found");
+            }
+#elif defined(__i386__)
+#elif defined(__aarch64__)
+#endif
+        }
+    }
+
+    time::~time()
+    {
+    }
+}

Kernel.cpp

@@ -6,7 +6,6 @@
 #include <convert.h>
 #include <printf.h>
 #include <lock.hpp>
-#include <time.hpp>
 #include <debug.h>
 #include <smp.hpp>
 #include <cargs.h>
@@ -20,9 +19,10 @@ SymbolResolver::Symbols *KernelSymbolTable = nullptr;
 Power::Power *PowerManager = nullptr;
 PCI::PCI *PCIManager = nullptr;
 Tasking::Task *TaskManager = nullptr;
+Time::time *TimeManager = nullptr;
 
 KernelConfig Config;
-Time BootClock;
+Time::Clock BootClock;
 
 // For the Display class. Printing on first buffer as default.
 extern "C" void putchar(char c) { Display->Print(c, 0); }
@@ -30,7 +30,7 @@ extern "C" void putchar(char c) { Display->Print(c, 0); }
 EXTERNC void KPrint(const char *Format, ...)
 {
     SmartLock(KernelLock);
-    Time tm = ReadClock();
+    Time::Clock tm = Time::ReadClock();
     printf_("\eCCCCCC[\e00AEFF%02ld:%02ld:%02ld\eCCCCCC] ", tm.Hour, tm.Minute, tm.Second);
     va_list args;
     va_start(args, Format);
@@ -44,7 +44,7 @@ EXTERNC void Entry(BootInfo *Info)
 {
     trace("Hello, World!");
     InitializeMemoryManagement(Info);
-    BootClock = ReadClock();
+    BootClock = Time::ReadClock();
     bInfo = (BootInfo *)KernelAllocator.RequestPages(TO_PAGES(sizeof(BootInfo)));
     memcpy(bInfo, Info, sizeof(BootInfo));
     debug("BootInfo structure is at %p", bInfo);
@@ -78,6 +78,14 @@ EXTERNC void Entry(BootInfo *Info)
     }
     KPrint("Enabling Interrupts on Bootstrap Processor");
     Interrupts::Enable(0);
+    KPrint("Initializing Timers");
+#if defined(__amd64__)
+    TimeManager = new Time::time(PowerManager->GetACPI());
+#elif defined(__i386__)
+    TimeManager = new Time::time(PowerManager->GetACPI());
+#elif defined(__aarch64__)
+    TimeManager = new Time::time(nullptr);
+#endif
     KPrint("Initializing Bootstrap Processor Timer");
     Interrupts::InitializeTimer(0);
     KPrint("Initializing SMP");

include/task.hpp

@@ -6,6 +6,8 @@
 #include <interrupts.hpp>
 #include <vector.hpp>
 #include <memory.hpp>
+#include <hashmap.hpp>
+#include <ipc.hpp>
 
 namespace Tasking
 {
@@ -99,6 +101,11 @@ namespace Tasking
                     break;
             }
         }
+
+        void SetPriority(int priority)
+        {
+            Info.Priority = priority;
+        }
     };
 
     struct PCB
@@ -113,6 +120,7 @@ namespace Tasking
         Vector<TCB *> Threads;
         Vector<PCB *> Children;
         Memory::PageTable *PageTable;
+        HashMap<InterProcessCommunication::IPCPort, uint64_t> *IPCHandles;
     };
 
     enum TokenTrustLevel

include/time.hpp

@@ -3,12 +3,41 @@
 
 #include <types.h>
 
-struct Time
+namespace Time
+{
+    struct Clock
     {
         uint64_t Year, Month, Day, Hour, Minute, Second;
         uint64_t Counter;
     };
 
-Time ReadClock();
+    Clock ReadClock();
+
+    class time
+    {
+    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;
+        };
+
+        void *acpi;
+        void *hpet;
+        uint32_t clk = 0;
+
+    public:
+        void Sleep(uint64_t Milliseconds);
+        time(void *acpi);
+        ~time();
+    };
+}
 
 #endif // !__FENNIX_KERNEL_TIME_H__

include/types.h

@@ -54,6 +54,53 @@ typedef __builtin_va_list va_list;
 #define VPOKE(type, address) (*((volatile type *)(address)))
 #define POKE(type, address) (*((type *)(address)))
 
+
+#ifndef __cplusplus
+
+#ifdef __STDC__
+#ifdef __STDC_VERSION__
+#if (__STDC_VERSION__ >= 201710L)
+#define C_LANGUAGE_STANDARD 2018
+#elif (__STDC_VERSION__ >= 201112L)
+#define C_LANGUAGE_STANDARD 2011
+#elif (__STDC_VERSION__ >= 199901L)
+#define C_LANGUAGE_STANDARD 1999
+#elif (__STDC_VERSION__ >= 199409L)
+#define C_LANGUAGE_STANDARD 1995
+#endif
+#else
+#define C_LANGUAGE_STANDARD 1990
+#endif
+#else
+#define C_LANGUAGE_STANDARD 1972
+#endif
+
+#else
+
+#ifdef __STDC__
+#ifdef __cplusplus
+#if (__cplusplus >= 202100L)
+#define CPP_LANGUAGE_STANDARD 2023
+#elif (__cplusplus >= 202002L)
+#define CPP_LANGUAGE_STANDARD 2020
+#elif (__cplusplus >= 201703L)
+#define CPP_LANGUAGE_STANDARD 2017
+#elif (__cplusplus >= 201402L)
+#define CPP_LANGUAGE_STANDARD 2014
+#elif (__cplusplus >= 201103L)
+#define CPP_LANGUAGE_STANDARD 2011
+#elif (__cplusplus >= 199711L)
+#define CPP_LANGUAGE_STANDARD 1998
+#endif
+#else
+#define CPP_LANGUAGE_STANDARD __cplusplus
+#endif
+#else
+#define CPP_LANGUAGE_STANDARD __cplusplus
+#endif
+
+#endif // __cplusplus
+
 typedef __INT8_TYPE__ int8_t;
 typedef __INT16_TYPE__ int16_t;
 typedef __INT32_TYPE__ int32_t;

kernel.h

@@ -10,6 +10,7 @@
 #include <kconfig.hpp>
 #include <power.hpp>
 #include <task.hpp>
+#include <time.hpp>
 #include <pci.hpp>
 #endif
 
@@ -21,6 +22,7 @@ extern Power::Power *PowerManager;
 extern PCI::PCI *PCIManager;
 extern KernelConfig Config;
 extern Tasking::Task *TaskManager;
+extern Time::time *TimeManager;
 #endif
 
 EXTERNC void KPrint(const char *format, ...);