Enhance CPU identification with standard and extended feature support

CMakeLists.txt

@@ -60,10 +60,11 @@ file(RELATIVE_PATH _PATH_PREFIX ${EXECTOS_BINARY_DIR} ${EXECTOS_SOURCE_DIR})
 add_compiler_flags(-D__RELFILE__="&__FILE__[__FILE__[0] == '.' ? sizeof \\\"${_PATH_PREFIX}\\\" - 1 : sizeof XTOS_SOURCE_DIR]")
 
 # Set the virtual disk image size (in MiB)
-set_disk_image_size(48)
+set_disk_image_size(32)
 
 # Build all subprojects
 add_subdirectory(boot)
+add_subdirectory(bootdata)
 add_subdirectory(drivers)
 add_subdirectory(sdk)
 add_subdirectory(xtldr)

README.md

@@ -57,18 +57,16 @@ ExectOS is in very early development stage, thus its requirements have been not
 design, it requires a modern EFI enabled hardware. It is not possible currently to boot ExectOS on a legacy BIOS.
 
 # Source structure
-| Directory        | Description                                                  |
+| Directory   | Description                                              |
-|------------------|--------------------------------------------------------------|
+|-------------|----------------------------------------------------------|
-| boot/bootdata    | default configuration and data needed to boot XTOS           |
+| bootdata    | default configuration and data needed to boot XTOS       |
-| boot/bootsect    | boot sector code (MBR & VBR) initializing the boot process   |
+| drivers     | XT native drivers source code                            |
-| drivers          | XT native drivers source code                                |
+| sdk/cmake   | Host toolchain configuration and build-related functions |
-| sdk/cmake        | host toolchain configuration and build-related functions     |
+| sdk/xtdk    | XT Software Development Kit headers                      |
-| sdk/firmware     | firmware enabling XTOS to boot on virtual machines           |
+| services    | integral subsystems services source code                 |
-| sdk/xtdk         | XT Software Development Kit headers                          |
+| subsystems  | environment subsystems source code                       |
-| services         | integral subsystems services source code                     |
+| xtoskrnl    | XTOS kernel source code                                  |
-| subsystems       | environment subsystems source code                           |
+| xtldr       | XTOS boot loader source code                             |
-| xtoskrnl         | XTOS kernel source code                                      |
-| xtldr            | XTOS boot loader source code                                 |
 
 # Build
 XTOS can only be built using [XTchain](https://git.codingworkshop.eu.org/xt-sys/xtchain), a dedicated toolchain designed

boot/CMakeLists.txt

@@ -1,2 +1 @@
-add_subdirectory(bootdata)
 add_subdirectory(bootsect)

sdk/xtdk/amd64/artypes.h

@@ -394,6 +394,13 @@ typedef struct _CPU_IDENTIFICATION
     USHORT Stepping;
     CPU_VENDOR Vendor;
     UCHAR VendorName[13];
+    UINT32 StandardFeaturesEcx;
+    UINT32 StandardFeaturesEdx;
+    UINT32 ExtendedFeaturesEcx;
+    UINT32 ExtendedFeaturesEdx;
+    UINT32 Standard7FeaturesEbx;
+    UINT32 Standard7FeaturesEcx;
+    UINT32 Standard7FeaturesEdx;
 } CPU_IDENTIFICATION, *PCPU_IDENTIFICATION;
 
 /* CPUID registers */

sdk/xtdk/i686/artypes.h

@@ -359,6 +359,10 @@ typedef struct _CPU_IDENTIFICATION
     USHORT Stepping;
     CPU_VENDOR Vendor;
     UCHAR VendorName[13];
+    UINT32 StandardFeaturesEcx;
+    UINT32 StandardFeaturesEdx;
+    UINT32 ExtendedFeaturesEcx;
+    UINT32 ExtendedFeaturesEdx;
 } CPU_IDENTIFICATION, *PCPU_IDENTIFICATION;
 
 /* CPUID registers */

xtoskrnl/ar/amd64/procsup.cc

@@ -64,9 +64,6 @@ AR::ProcSup::IdentifyProcessor(VOID)
     CPUID_REGISTERS CpuRegisters;
     CPUID_SIGNATURE CpuSignature;
 
-    /* Not fully implemented yet */
-    UNIMPLEMENTED;
-
     /* Get current processor control block */
     Prcb = KE::Processor::GetCurrentProcessorControlBlock();
 
@@ -122,7 +119,42 @@ AR::ProcSup::IdentifyProcessor(VOID)
         Prcb->CpuId.Vendor = CPU_VENDOR_UNKNOWN;
     }
 
-    /* TODO: Store a list of CPU features in processor control block */
+    /* Get CPU standard features */
+    RtlZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
+    CpuRegisters.Leaf = CPUID_GET_STANDARD1_FEATURES;
+    CpuFunc::CpuId(&CpuRegisters);
+
+    /* Store CPU standard features in processor control block */
+    Prcb->CpuId.StandardFeaturesEcx = CpuRegisters.Ecx;
+    Prcb->CpuId.StandardFeaturesEdx = CpuRegisters.Edx;
+
+    /* Get CPU extended features */
+    RtlZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
+    CpuRegisters.Leaf = 0x80000001;
+    CpuFunc::CpuId(&CpuRegisters);
+
+    /* Store CPU extended features in processor control block */
+    Prcb->CpuId.ExtendedFeaturesEcx = CpuRegisters.Ecx;
+    Prcb->CpuId.ExtendedFeaturesEdx = CpuRegisters.Edx;
+
+    /* Get CPU leaf 7 features (subleaf 0) */
+    RtlZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
+    CpuRegisters.Leaf = CPUID_GET_STANDARD7_FEATURES;
+    CpuRegisters.SubLeaf = 0;
+    CpuFunc::CpuId(&CpuRegisters);
+
+    /* Store CPU leaf 7 features in processor control block */
+    Prcb->CpuId.Standard7FeaturesEbx = CpuRegisters.Ebx;
+    Prcb->CpuId.Standard7FeaturesEcx = CpuRegisters.Ecx;
+    Prcb->CpuId.Standard7FeaturesEdx = CpuRegisters.Edx;
+    
+    /* Print CPU information */
+    DebugPrint(L"CPU: Vendor %hs, Family 0x%X, Model 0x%X, Stepping 0x%X\n",
+               Prcb->CpuId.VendorName,
+               Prcb->CpuId.Family,
+               Prcb->CpuId.Model,
+               Prcb->CpuId.Stepping);
+               
 }
 
 /**

xtoskrnl/ar/i686/procsup.cc

@@ -59,9 +59,6 @@ AR::ProcSup::IdentifyProcessor(VOID)
     CPUID_REGISTERS CpuRegisters;
     CPUID_SIGNATURE CpuSignature;
 
-    /* Not fully implemented yet */
-    UNIMPLEMENTED;
-
     /* Get current processor control block */
     Prcb = KE::Processor::GetCurrentProcessorControlBlock();
 
@@ -117,7 +114,30 @@ AR::ProcSup::IdentifyProcessor(VOID)
         Prcb->CpuId.Vendor = CPU_VENDOR_UNKNOWN;
     }
 
-    /* TODO: Store a list of CPU features in processor control block */
+    /* Get CPU standard features */
+    RtlZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
+    CpuRegisters.Leaf = CPUID_GET_STANDARD1_FEATURES;
+    CpuFunc::CpuId(&CpuRegisters);
+
+    /* Store CPU standard features in processor control block */
+    Prcb->CpuId.StandardFeaturesEcx = CpuRegisters.Ecx;
+    Prcb->CpuId.StandardFeaturesEdx = CpuRegisters.Edx;
+
+    /* Get CPU extended features */
+    RtlZeroMemory(&CpuRegisters, sizeof(CPUID_REGISTERS));
+    CpuRegisters.Leaf = 0x80000001;
+    CpuFunc::CpuId(&CpuRegisters);
+
+    /* Store CPU extended features in processor control block */
+    Prcb->CpuId.ExtendedFeaturesEcx = CpuRegisters.Ecx;
+    Prcb->CpuId.ExtendedFeaturesEdx = CpuRegisters.Edx;
+
+    /* Print CPU information */
+    DebugPrint(L"CPU: Vendor %hs, Family 0x%X, Model 0x%X, Stepping 0x%X\n",
+               Prcb->CpuId.VendorName,
+               Prcb->CpuId.Family,
+               Prcb->CpuId.Model,
+               Prcb->CpuId.Stepping);
 }
 
 /**