Migrate HL subsystem to C++

xtoskrnl/hl/x86/cpu.cc

@@ -0,0 +1,47 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/hl/x86/cpu.cc
+ * DESCRIPTION:     HAL x86 (i686/AMD64) processor support
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.hh>
+
+
+/**
+ * Initializes the processor.
+ *
+ * @param CpuNumber
+ *        Supplies the number of the CPU, that is being initialized.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+HL::Cpu::InitializeProcessor(VOID)
+{
+    PKPROCESSOR_BLOCK ProcessorBlock;
+    KAFFINITY Affinity;
+
+    /* Get current processor block */
+    ProcessorBlock = KE::Processor::GetCurrentProcessorBlock();
+
+    /* Set initial stall factor, CPU number and mask interrupts */
+    ProcessorBlock->StallScaleFactor = INITIAL_STALL_FACTOR;
+    ProcessorBlock->Idr = 0xFFFFFFFF;
+
+    /* Set processor affinity */
+    Affinity = (KAFFINITY) 1 << ProcessorBlock->CpuNumber;
+
+    /* Apply affinity to a set of processors */
+    ActiveProcessors |= Affinity;
+
+    /* Initialize APIC for this processor */
+    Pic::InitializePic();
+
+    /* Set the APIC running level */
+    HL::RunLevel::SetRunLevel(KeGetCurrentProcessorBlock()->RunLevel);
+}