Migrate EX subsystem to C++

xtoskrnl/ex/exports.cc

@@ -0,0 +1,112 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/ex/exports.cc
+ * DESCRIPTION:     C-compatible API wrappers for exported kernel functions
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#include <xtos.hh>
+
+
+/**
+ * Acquires the rundown protection for given descriptor.
+ *
+ * @param Descriptor
+ *        Supplies a pointer to the rundown block descriptor.
+ *
+ * @return This routine returns TRUE if protection acquired successfully, or FALSE otherwise.
+ *
+ * @since NT 5.1
+ */
+XTFASTCALL
+BOOLEAN
+ExAcquireRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+{
+    return EX::Rundown::AcquireProtection(Descriptor);
+}
+
+/**
+ * Marks the rundown descriptor as completed.
+ *
+ * @param Descriptor
+ *        Supplies a pointer to the descriptor to be completed.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since NT 5.1
+ */
+XTFASTCALL
+VOID
+ExCompleteRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+{
+    EX::Rundown::CompleteProtection(Descriptor);
+}
+
+/**
+ * Initializes the rundown protection descriptor.
+ *
+ * @param Descriptor
+ *        Supplies a pointer to the descriptor to be initialized.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since NT 5.1
+ */
+XTFASTCALL
+VOID
+ExInitializeRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+{
+    EX::Rundown::InitializeProtection(Descriptor);
+}
+
+/**
+ * Reinitializes the rundown protection structure after it has been completed.
+ *
+ * @param Descriptor
+ *        Supplies a pointer to the descriptor to be reinitialized.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since NT 5.1
+ */
+XTFASTCALL
+VOID
+ExReInitializeRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+{
+    EX::Rundown::ReInitializeProtection(Descriptor);
+}
+
+/**
+ * Releases the rundown protection for given descriptor.
+ *
+ * @param Descriptor
+ *        Supplies a pointer to the descriptor to be initialized.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since NT 5.1
+ */
+XTFASTCALL
+VOID
+ExReleaseRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+{
+    EX::Rundown::ReleaseProtection(Descriptor);
+}
+
+/**
+ * Waits until rundown protection calls are completed.
+ *
+ * @param Descriptor
+ *        Supplies a pointer to the rundown block descriptor.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since NT 5.1
+ */
+XTFASTCALL
+VOID
+ExWaitForRundownProtectionRelease(IN PEX_RUNDOWN_REFERENCE Descriptor)
+{
+    EX::Rundown::WaitForProtectionRelease(Descriptor);
+}

xtoskrnl/ex/rundown.cc

@@ -1,14 +1,17 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            xtoskrnl/ex/rundown.c
+ * FILE:            xtoskrnl/ex/rundown.cc
  * DESCRIPTION:     Rundown protection mechanism
  * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
  */
 
-#include <xtos.h>
+#include <xtos.hh>
 
 
+namespace EX
+{
+
 /**
  * Acquires the rundown protection for given descriptor.
  *
@@ -21,7 +24,7 @@
  */
 XTFASTCALL
 BOOLEAN
-ExAcquireRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+Rundown::AcquireProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
 {
     ULONG_PTR CurrentValue, NewValue;
 
@@ -69,7 +72,7 @@ ExAcquireRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
  */
 XTFASTCALL
 VOID
-ExCompleteRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+Rundown::CompleteProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
 {
     RtlAtomicExchangePointer(&Descriptor->Ptr, (PVOID)EX_RUNDOWN_ACTIVE);
 }
@@ -86,7 +89,7 @@ ExCompleteRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
  */
 XTFASTCALL
 VOID
-ExInitializeRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+Rundown::InitializeProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
 {
     /* Reset descriptor counter */
     Descriptor->Count = 0;
@@ -104,7 +107,7 @@ ExInitializeRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
  */
 XTFASTCALL
 VOID
-ExReInitializeRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+Rundown::ReInitializeProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
 {
     RtlAtomicExchangePointer(&Descriptor->Ptr, NULL);
 }
@@ -121,7 +124,7 @@ ExReInitializeRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
  */
 XTFASTCALL
 VOID
-ExReleaseRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
+Rundown::ReleaseProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
 {
     ULONG_PTR CurrentValue, NewValue;
     PEX_RUNDOWN_WAIT_BLOCK WaitBlock;
@@ -172,7 +175,9 @@ ExReleaseRundownProtection(IN PEX_RUNDOWN_REFERENCE Descriptor)
  */
 XTFASTCALL
 VOID
-ExWaitForRundownProtectionRelease(IN PEX_RUNDOWN_REFERENCE Descriptor)
+Rundown::WaitForProtectionRelease(IN PEX_RUNDOWN_REFERENCE Descriptor)
 {
     UNIMPLEMENTED;
 }
+
+} /* namespace */

xtoskrnl/includes/ex.hh

@@ -0,0 +1,16 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/ex.hh
+ * DESCRIPTION:     
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_EX_HH
+#define __XTOSKRNL_EX_HH
+
+#include <xtos.hh>
+
+#include <ex/rundown.hh>
+
+#endif /* __XTOSKRNL_EX_HH */

xtoskrnl/includes/ex/rundown.hh

@@ -0,0 +1,30 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/ex/rundown.hh
+ * DESCRIPTION:     Rundown protection mechanism
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_EX_RUNDOWN_HH
+#define __XTOSKRNL_EX_RUNDOWN_HH
+
+#include <xtos.hh>
+
+
+/* Architecture-specific Library */
+namespace EX
+{
+    class Rundown
+    {
+        public:
+            STATIC XTFASTCALL BOOLEAN AcquireProtection(IN PEX_RUNDOWN_REFERENCE Descriptor);
+            STATIC XTFASTCALL VOID CompleteProtection(IN PEX_RUNDOWN_REFERENCE Descriptor);
+            STATIC XTFASTCALL VOID InitializeProtection(IN PEX_RUNDOWN_REFERENCE Descriptor);
+            STATIC XTFASTCALL VOID ReInitializeProtection(IN PEX_RUNDOWN_REFERENCE Descriptor);
+            STATIC XTFASTCALL VOID ReleaseProtection(IN PEX_RUNDOWN_REFERENCE Descriptor);
+            STATIC XTFASTCALL VOID WaitForProtectionRelease(IN PEX_RUNDOWN_REFERENCE Descriptor);
+    };
+}
+
+#endif /* __XTOSKRNL_EX_RUNDOWN_HH */

xtoskrnl/includes/xtos.hh

@@ -27,3 +27,4 @@ extern "C" {
 
 
 #include <ar.hh>
+#include <ex.hh>