Development

.github/workflows/main.yaml

@@ -36,14 +36,15 @@ jobs:
         run: |
             mkdir cmake-build
             cd cmake-build
-            cmake .. -G Ninja
+            cmake .. -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=../cmake/toolchain/linux-x64.cmake
             cd ..
-            ninja -C cmake-build
+            ninja -C cmake-build -j $(nproc)
 
       - name: Artifact Analysis
         run: |
-          timeout 30s ninja -C cmake-build runmin || true
-
+          cd cmake-build
+          timeout 30s ninja runmin || true
+          cd ..
           grep -q "1KCSWF23Z456789" cmake-build/bootstrap.log
           ! grep -i "panic\|fault\|crash\|oops\|error\|failed" cmake-build/serial.log
 
@@ -71,4 +72,4 @@ jobs:
           path: |
             cmake-build/voidframe.krnl
             cmake-build/VoidFrame.iso
-          retention-days: 30
+          retention-days: 10

CMakeLists.txt

@@ -18,6 +18,26 @@ else()
     message(FATAL_ERROR "Unsupported host system: ${CMAKE_HOST_SYSTEM_NAME}")
 endif()
 
+if(NOT CMAKE_TOOLCHAIN_FILE)
+    message(FATAL_ERROR "CMAKE_TOOLCHAIN_FILE is not set. Please provide a toolchain file.")
+else()
+    message(STATUS "Using toolchain file: ${CMAKE_TOOLCHAIN_FILE}")
+endif()
+
+if(CMAKE_GENERATOR STREQUAL "Ninja")
+    message(STATUS "CMake: Generator: ${CMAKE_GENERATOR}")
+else()
+    message(WARNING "CMake: Non-Ninja generator detected: ${CMAKE_GENERATOR}. Ninja is recommended.")
+endif()
+
+message(STATUS "CMake Build Type: ${CMAKE_BUILD_TYPE}")
+message(STATUS "CMake Source Directory: ${CMAKE_SOURCE_DIR}")
+message(STATUS "CMake Binary Directory: ${CMAKE_BINARY_DIR}")
+message(STATUS "CMake Current Source Directory: ${CMAKE_CURRENT_SOURCE_DIR}")
+message(STATUS "CMake Current Binary Directory: ${CMAKE_CURRENT_BINARY_DIR}")
+message(STATUS "CMake Host System Name: ${CMAKE_HOST_SYSTEM_NAME}")
+message(STATUS "CMake Host System Processor: ${CMAKE_HOST_SYSTEM_PROCESSOR}")
+
 # ============================================================================
 # Standard Configuration
 # ============================================================================
@@ -30,13 +50,12 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 # Module Path & Includes
 # ============================================================================
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+include(run)
 include(features)
 include(variable)
 include(dependencies)
 include(flags)
 include(configuration)
-include(run)
-include(clang-x64)
 
 # ============================================================================ 
 # Source Files Organization

README.md

@@ -46,7 +46,7 @@ git clone https://github.com/assembler-0/VoidFrame.git
 cd VoidFrame
 mkdir build
 cd build
-cmake .. -DCMAKE_BUILD_TYPE=Release -G Ninja
+cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=../cmake/toolchain/<linux/windows/macos>-x64.cmake -G Ninja
 ninja -j$(nproc)
 ninja img
 ninja extra-img

arch/x86_64/features/x64.c

@@ -63,9 +63,10 @@ void CpuInit(void) {
     // If this is not set, the OS is not allowed to set XCR0 to enable AVX.
     cpu_features.osxsave = (ecx >> 27) & 1;
     if (!cpu_features.osxsave) {
-        PrintKernelWarning("System: CPU: OSXSAVE not supported. AVX will be disabled.\n");
+        PrintKernelWarning("System: CPU: OSXSAVE not supported. AVX/2/512F will be disabled.\n");
         cpu_features.avx = false;
         cpu_features.avx2 = false;
+        cpu_features.avx512f = false;
         CPUFeatureValidation();
         return;
     }

arch/x86_64/features/x64.h

@@ -17,6 +17,7 @@ typedef struct {
     bool osxsave;
     bool avx;
     bool avx2;
+    bool avx512f;
 } CpuFeatures;
 
 // DO NOT TOUCH THIS STRUCTURE - must match interrupt ASM stack layout
@@ -61,6 +62,17 @@ static inline uint64_t __attribute__((always_inline)) rdtsc(void) {
     return ((uint64_t)hi << 32) | lo;
 }
 
+static inline void __attribute__((always_inline)) __full_mem_prot_init(void) {
+    __sync_synchronize();
+    __asm__ volatile("mfence; sfence; lfence" ::: "memory");
+}
+
+static inline void __attribute__((always_inline)) __full_mem_prot_end(void) {
+    __asm__ volatile("mfence; sfence; lfence" ::: "memory");
+    __sync_synchronize();
+    __builtin_ia32_serialize();
+}
+
 void DumpRegisters(RegistersDumpT* dump);
 void PrintRegisters(const RegistersDumpT* dump);
 

cmake/run.cmake

@@ -3,42 +3,42 @@
 # ============================================================================
 add_custom_target(run
         COMMAND ${QEMU_SYSTEM_X86_64}
-        -cpu max
-        -vga vmware
-        -enable-kvm
-        -cdrom ${CMAKE_CURRENT_BINARY_DIR}/VoidFrame.iso
-        -debugcon file:bootstrap.log
-        -serial stdio
-        -no-reboot -no-shutdown
-        -m 4G
-        -drive file=VoidFrameDisk.img,if=ide
-        -drive file=SataDisk.img,if=none,id=sata0
-        -device ahci,id=ahci
-        -device ide-hd,drive=sata0,bus=ahci.0
-        -boot d
-        -device rtl8139
-        -device e1000
-        -device nec-usb-xhci,id=xhci
-        -device ich9-intel-hda
-        -usb -device usb-tablet
-        -audio pa,id=myaudio
-        -device sb16,iobase=0x220,irq=5,dma=1,dma16=5
-        -parallel file:printer.out
-        -drive file=VirtioDisk.img,format=raw,id=virtio_disk,if=none
-        -device virtio-blk-pci,drive=virtio_disk,disable-legacy=on
-        DEPENDS iso
+            -cpu max
+            -vga vmware
+            -enable-kvm
+            -cdrom ${CMAKE_CURRENT_BINARY_DIR}/VoidFrame.iso
+            -debugcon file:bootstrap.log
+            -serial stdio
+            -no-reboot -no-shutdown
+            -m 4G
+            -drive file=VoidFrameDisk.img,if=ide
+            -drive file=SataDisk.img,if=none,id=sata0
+            -device ahci,id=ahci
+            -device ide-hd,drive=sata0,bus=ahci.0
+            -boot d
+            -device rtl8139
+            -device e1000
+            -device nec-usb-xhci,id=xhci
+            -device ich9-intel-hda
+            -usb -device usb-tablet
+            -audio pa,id=myaudio
+            -device sb16,iobase=0x220,irq=5,dma=1,dma16=5
+            -parallel file:printer.out
+            -drive file=VirtioDisk.img,format=raw,id=virtio_disk,if=none
+            -device virtio-blk-pci,drive=virtio_disk,disable-legacy=on
+        DEPENDS iso img extra-img
 )
 
 add_custom_target(runmin
         COMMAND ${QEMU_SYSTEM_X86_64}
-        -cdrom ${CMAKE_CURRENT_BINARY_DIR}/VoidFrame.iso
-        -nographic
-        -debugcon file:bootstrap.log
-        -serial file:serial.log
-        -no-reboot -no-shutdown
-        -m 4G
-        -boot d
-        DEPENDS iso img extra-img
+            -cdrom ${CMAKE_CURRENT_BINARY_DIR}/VoidFrame.iso
+            -nographic
+            -debugcon file:bootstrap.log
+            -serial file:serial.log
+            -no-reboot -no-shutdown
+            -m 1G
+            -boot d
+        DEPENDS iso
 )
 
 add_custom_target(img

cmake/clang-x64.cmake → cmake/toolchain/linux-x64.cmake

@@ -1,12 +1,9 @@
 # ============================================================================
-# Toolchain file for building with Clang targeting x86_64 architecture
+# VoidFrame Toolchain for Linux x64 Host
 # ============================================================================
 set(CMAKE_SYSTEM_NAME Generic)
 set(CMAKE_SYSTEM_PROCESSOR x86_64)
 
 set(CMAKE_C_COMPILER clang)
 set(CMAKE_CXX_COMPILER clang++)
-set(CMAKE_ASM_NASM_COMPILER nasm)
-
-set(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=lld")
-set(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=lld")
+set(CMAKE_ASM_NASM_COMPILER nasm)

cmake/toolchain/macos-x64.cmake

@@ -0,0 +1,9 @@
+# ============================================================================
+# VoidFrame Toolchain for OSX (Darwin/macOS) x64 Host
+# ============================================================================
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_PROCESSOR x86_64)
+
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_ASM_NASM_COMPILER nasm)

cmake/toolchain/windows-x64.cmake

@@ -0,0 +1,9 @@
+# ============================================================================
+# VoidFrame Toolchain for Windows x64 Host
+# ============================================================================
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_PROCESSOR x86_64)
+
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_ASM_NASM_COMPILER nasm)

cmake/variable.cmake

@@ -11,4 +11,6 @@ add_compile_definitions(
         VIRT_ADDR_SPACE_HIGH_START=0xFFFF800000000000ULL
         VIRT_ADDR_SPACE_HIGH_END=0xFFFFFDFFFFFFFFFFULL
         KERNEL_SPACE_END=0xFFFFFFFFFFFFFFFFULL
+        PREFETCH_DISTANCE=256
+        NT_STORE_THRESHOLD=4*1024*1024
 )

docs/CMAKE.md

@@ -23,13 +23,6 @@ This is the main entry point for the build system. It performs the following tas
 
 The `/cmake` directory contains several `.cmake` files that handle specific parts of the build configuration.
 
-### `clang-x64.cmake`
-
-This file configures the build to use the Clang toolchain for cross-compilation to an x86_64 target.
--   Sets the C and CXX compilers to `clang` and `clang++`.
--   Sets the assembler to `nasm`.
--   Configures the linker to use `lld`.
-
 ### `configuration.cmake`
 
 This file defines several build options that can be configured when running CMake.