Migrate PO subsystem to C++

xtoskrnl/CMakeLists.txt

@@ -60,7 +60,7 @@ list(APPEND XTOSKRNL_SOURCE
     ${XTOSKRNL_SOURCE_DIR}/mm/${ARCH}/init.c
     ${XTOSKRNL_SOURCE_DIR}/mm/${ARCH}/pages.c
     ${XTOSKRNL_SOURCE_DIR}/mm/${ARCH}/pmap.c
-    ${XTOSKRNL_SOURCE_DIR}/po/idle.c
+    ${XTOSKRNL_SOURCE_DIR}/po/idle.cc
     ${XTOSKRNL_SOURCE_DIR}/rtl/${ARCH}/dispatch.cc
     ${XTOSKRNL_SOURCE_DIR}/rtl/${ARCH}/exsup.cc
     ${XTOSKRNL_SOURCE_DIR}/rtl/atomic.cc

xtoskrnl/includes/po.hh

@@ -0,0 +1,17 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/po.hh
+ * DESCRIPTION:     Power Management
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_PO_HH
+#define __XTOSKRNL_PO_HH
+
+#include <xtos.hh>
+
+#include <po/idle.hh>
+
+
+#endif /* __XTOSKRNL_PO_HH */

xtoskrnl/includes/po/idle.hh

@@ -0,0 +1,33 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/po/idle.hh
+ * DESCRIPTION:     Processor idle functionality support
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_PO_IDLE_HH
+#define __XTOSKRNL_PO_IDLE_HH
+
+#include <xtos.hh>
+
+
+/* Runtime Library */
+namespace PO
+{
+    class Idle
+    {
+        public:
+            STATIC XTAPI VOID InitializeProcessorIdleState(IN OUT PKPROCESSOR_CONTROL_BLOCK Prcb);
+
+        private:
+            STATIC XTFASTCALL VOID Idle0Function(IN PPROCESSOR_POWER_STATE PowerState);
+            STATIC XTAPI VOID PerfIdle(IN PPROCESSOR_POWER_STATE PowerState);
+            STATIC XTAPI VOID PerfIdleDpc(IN PKDPC Dpc,
+                                          IN PVOID DeferredContext,
+                                          IN PVOID SystemArgument1,
+                                          IN PVOID SystemArgument2);
+    };
+}
+
+#endif /* __XTOSKRNL_PO_IDLE_HH */

xtoskrnl/includes/xtos.hh

@@ -30,4 +30,5 @@ extern "C" {
 #include <ex.hh>
 #include <hl.hh>
 #include <ke.hh>
+#include <po.hh>
 #include <rtl.hh>

xtoskrnl/ke/amd64/krnlinit.cc

@@ -85,7 +85,7 @@ KernelInit::StartKernel(VOID)
     CurrentProcess = CurrentThread->ApcState.Process;
 
     /* Initialize CPU power state structures */
-    PoInitializeProcessorControlBlock(Prcb);
+    PO::Idle::InitializeProcessorIdleState(Prcb);
 
     /* Save processor state */
     Processor::SaveProcessorState(&Prcb->ProcessorState);

xtoskrnl/ke/i686/krnlinit.cc

@@ -85,7 +85,7 @@ KernelInit::StartKernel(VOID)
     CurrentProcess = CurrentThread->ApcState.Process;
 
     /* Initialize CPU power state structures */
-    PoInitializeProcessorControlBlock(Prcb);
+    PO::Idle::InitializeProcessorIdleState(Prcb);
 
     /* Save processor state */
     Processor::SaveProcessorState(&Prcb->ProcessorState);

xtoskrnl/po/idle.cc

@@ -1,12 +1,12 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            xtoskrnl/po/idle.c
+ * FILE:            xtoskrnl/po/idle.cc
  * DESCRIPTION:     Processor idle functionality support
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtos.h>
+#include <xtos.hh>
 
 
 /**
@@ -21,7 +21,7 @@
  */
 XTAPI
 VOID
-PoInitializeProcessorControlBlock(IN OUT PKPROCESSOR_CONTROL_BLOCK Prcb)
+PO::Idle::InitializeProcessorIdleState(IN OUT PKPROCESSOR_CONTROL_BLOCK Prcb)
 {
     /* Zero memory */
     RtlZeroMemory(&Prcb->PowerState, sizeof(Prcb->PowerState));
@@ -30,10 +30,10 @@ PoInitializeProcessorControlBlock(IN OUT PKPROCESSOR_CONTROL_BLOCK Prcb)
     Prcb->PowerState.Idle0TimeLimit = 0xFFFFFFFF;
     Prcb->PowerState.CurrentThrottle = 100;
     Prcb->PowerState.CurrentThrottleIndex = 0;
-    Prcb->PowerState.IdleFunction = PopIdle0Function;
+    Prcb->PowerState.IdleFunction = Idle0Function;
 
     /* Initialize DPC and Timer */
-    KeInitializeDpc(&Prcb->PowerState.PerfDpc, PopPerfIdleDpc, Prcb);
+    KeInitializeDpc(&Prcb->PowerState.PerfDpc, PerfIdleDpc, Prcb);
     KeSetTargetProcessorDpc(&Prcb->PowerState.PerfDpc, Prcb->CpuNumber);
     KeInitializeTimer(&Prcb->PowerState.PerfTimer, SynchronizationTimer);
 }
@@ -50,7 +50,7 @@ PoInitializeProcessorControlBlock(IN OUT PKPROCESSOR_CONTROL_BLOCK Prcb)
  */
 XTFASTCALL
 VOID
-PopIdle0Function(IN PPROCESSOR_POWER_STATE PowerState)
+PO::Idle::Idle0Function(IN PPROCESSOR_POWER_STATE PowerState)
 {
     UNIMPLEMENTED;
 }
@@ -67,7 +67,7 @@ PopIdle0Function(IN PPROCESSOR_POWER_STATE PowerState)
  */
 XTAPI
 VOID
-PopPerfIdle(PPROCESSOR_POWER_STATE PowerState)
+PO::Idle::PerfIdle(PPROCESSOR_POWER_STATE PowerState)
 {
     UNIMPLEMENTED;
 }
@@ -93,7 +93,7 @@ PopPerfIdle(PPROCESSOR_POWER_STATE PowerState)
  */
 XTAPI
 VOID
-PopPerfIdleDpc(IN PKDPC Dpc,
+PO::Idle::PerfIdleDpc(IN PKDPC Dpc,
                       IN PVOID DeferredContext,
                       IN PVOID SystemArgument1,
                       IN PVOID SystemArgument2)