Split PTE implementation per architecture

xtoskrnl/CMakeLists.txt

@@ -53,6 +53,7 @@ list(APPEND XTOSKRNL_SOURCE
     ${XTOSKRNL_SOURCE_DIR}/ke/timer.cc
     ${XTOSKRNL_SOURCE_DIR}/mm/${ARCH}/pagemap.cc
     ${XTOSKRNL_SOURCE_DIR}/mm/${ARCH}/paging.cc
+    ${XTOSKRNL_SOURCE_DIR}/mm/${ARCH}/pte.cc
     ${XTOSKRNL_SOURCE_DIR}/mm/data.cc
     ${XTOSKRNL_SOURCE_DIR}/mm/hlpool.cc
     ${XTOSKRNL_SOURCE_DIR}/mm/kpool.cc

xtoskrnl/includes/mm.hh

@@ -13,11 +13,11 @@
 
 #include XTOS_ARCH_HEADER(mm, pagemap.hh)
 #include XTOS_ARCH_HEADER(mm, paging.hh)
+#include XTOS_ARCH_HEADER(mm, pte.hh)
 
 #include <mm/hlpool.hh>
 #include <mm/kpool.hh>
 #include <mm/mmgr.hh>
 #include <mm/pfn.hh>
-#include <mm/pte.hh>
 
 #endif /* __XTOSKRNL_MM_HH */

xtoskrnl/includes/mm/amd64/pte.hh

@@ -0,0 +1,40 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/mm/amd64/pte.hh
+ * DESCRIPTION:     Page table entry (PTE) for AMD64 support
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_MM_AMD64_PTE_HH
+#define __XTOSKRNL_MM_AMD64_PTE_HH
+
+#include <xtos.hh>
+
+
+/* Memory Manager */
+namespace MM
+{
+    class Pte
+    {
+        public:
+            STATIC XTAPI ULONG GetPtesPerPage(VOID);
+            STATIC XTAPI VOID MapP5E(PVOID StartAddress,
+                                     PVOID EndAddress,
+                                     PMMP5E TemplateP5e);
+            STATIC XTAPI VOID MapPDE(PVOID StartAddress,
+                                     PVOID EndAddress,
+                                     PMMPDE TemplatePde);
+            STATIC XTAPI VOID MapPPE(PVOID StartAddress,
+                                     PVOID EndAddress,
+                                     PMMPPE TemplatePpe);
+            STATIC XTAPI VOID MapPTE(PVOID StartAddress,
+                                     PVOID EndAddress,
+                                     PMMPTE TemplatePte);
+            STATIC XTAPI VOID MapPXE(PVOID StartAddress,
+                                     PVOID EndAddress,
+                                     PMMPXE TemplatePxe);
+    };
+}
+
+#endif /* __XTOSKRNL_MM_AMD64_PTE_HH */

xtoskrnl/includes/mm/i686/pagemap.hh

@@ -1,13 +1,13 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            xtoskrnl/includes/mm/pagemap.hh
+ * FILE:            xtoskrnl/includes/mm/i686/pagemap.hh
  * DESCRIPTION:     Low-level support for page map manipulation
  * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
  */
 
-#ifndef __XTOSKRNL_MM_PAGEMAP_HH
+#ifndef __XTOSKRNL_MM_I686_PAGEMAP_HH
-#define __XTOSKRNL_MM_PAGEMAP_HH
+#define __XTOSKRNL_MM_I686_PAGEMAP_HH
 
 #include <xtos.hh>
 
@@ -109,4 +109,4 @@ namespace MM
     };
 }
 
-#endif /* __XTOSKRNL_MM_PAGEMAP_HH */
+#endif /* __XTOSKRNL_MM_I686_PAGEMAP_HH */

xtoskrnl/includes/mm/i686/pte.hh

@@ -1,13 +1,13 @@
 /**
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
- * FILE:            xtoskrnl/includes/mm/pte.hh
+ * FILE:            xtoskrnl/includes/mm/i686/pte.hh
- * DESCRIPTION:     Page table entry (PTE) support
+ * DESCRIPTION:     Page table entry (PTE) for i686 support
  * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
  */
 
-#ifndef __XTOSKRNL_MM_PTE_HH
+#ifndef __XTOSKRNL_MM_I686_PTE_HH
-#define __XTOSKRNL_MM_PTE_HH
+#define __XTOSKRNL_MM_I686_PTE_HH
 
 #include <xtos.hh>
 
@@ -37,4 +37,4 @@ namespace MM
     };
 }
 
-#endif /* __XTOSKRNL_MM_PTE_HH */
+#endif /* __XTOSKRNL_MM_I686_PTE_HH */

xtoskrnl/mm/amd64/pte.cc

@@ -0,0 +1,104 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/mm/amd64/pte.cc
+ * DESCRIPTION:     Page Table Entry (PTE) for AMD64 support
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#include <xtos.hh>
+
+
+/**
+ * Maps a range of virtual addresses at the P5E (PML5) level.
+ *
+ * @param StartAddress
+ *        The beginning of the virtual address range to map.
+ *
+ * @param EndAddress
+ *        The end of the virtual address range to map.
+ *
+ * @param TemplateP5e
+ *        A template P5E to use for creating new entries.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+MM::Pte::MapP5E(PVOID StartAddress,
+                PVOID EndAddress,
+                PMMP5E TemplateP5e)
+{
+    PMMP5E EndSpace, PointerP5e;
+
+    /* Get P5E addresses */
+    PointerP5e = MM::Paging::GetP5eAddress(StartAddress);
+    EndSpace = MM::Paging::GetP5eAddress(EndAddress);
+
+    /* Iterate over all P5Es */
+    while(PointerP5e <= EndSpace)
+    {
+        /* Check if P5E is already mapped */
+        if(!MM::Paging::PteValid(PointerP5e))
+        {
+            /* Map P5E */
+            MM::Paging::SetPte(TemplateP5e, MM::Pfn::AllocateBootstrapPages(1), 0);
+            *PointerP5e = *TemplateP5e;
+
+            /* Clear the page table */
+            RtlZeroMemory(MM::Paging::GetPteVirtualAddress(PointerP5e), MM_PAGE_SIZE);
+        }
+
+        /* Get next table entry */
+        PointerP5e = MM::Paging::GetNextPte(PointerP5e);
+    }
+}
+
+/**
+ * Maps a range of virtual addresses at the PXE (PML4) level.
+ *
+ * @param StartAddress
+ *        The beginning of the virtual address range to map.
+ *
+ * @param EndAddress
+ *        The end of the virtual address range to map.
+ *
+ * @param TemplatePxe
+ *        A template PXE to use for creating new entries.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+MM::Pte::MapPXE(PVOID StartAddress,
+                PVOID EndAddress,
+                PMMPXE TemplatePxe)
+{
+    PMMPXE EndSpace, PointerPxe;
+
+    /* Get PXE addresses */
+    PointerPxe = MM::Paging::GetPxeAddress(StartAddress);
+    EndSpace = MM::Paging::GetPxeAddress(EndAddress);
+
+    /* Iterate over all PTEs */
+    while(PointerPxe <= EndSpace)
+    {
+        /* Check if PTE is already mapped */
+        if(!MM::Paging::PteValid(PointerPxe))
+        {
+            /* Map PTE */
+            MM::Paging::SetPte(TemplatePxe, MM::Pfn::AllocateBootstrapPages(1), 0);
+            *PointerPxe = *TemplatePxe;
+
+            /* Clear the page table */
+            RtlZeroMemory(MM::Paging::GetPteVirtualAddress(PointerPxe), MM_PAGE_SIZE);
+        }
+
+        /* Get next table entry */
+        PointerPxe = MM::Paging::GetNextPte(PointerPxe);
+    }
+}

xtoskrnl/mm/i686/pte.cc

@@ -0,0 +1,10 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/mm/i686/pte.cc
+ * DESCRIPTION:     Page Table Entry (PTE) for i686 support
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#include <xtos.hh>
+

xtoskrnl/mm/pte.cc

@@ -24,53 +24,6 @@ MM::Pte::GetPtesPerPage(VOID)
     return MM_PAGE_SIZE / MM::Paging::GetPteSize();
 }
 
-/**
- * Maps a range of virtual addresses at the P5E (PML5) level.
- *
- * @param StartAddress
- *        The beginning of the virtual address range to map.
- *
- * @param EndAddress
- *        The end of the virtual address range to map.
- *
- * @param TemplateP5e
- *        A template P5E to use for creating new entries.
- *
- * @return This routine does not return any value.
- *
- * @since XT 1.0
- */
-XTAPI
-VOID
-MM::Pte::MapP5E(PVOID StartAddress,
-                PVOID EndAddress,
-                PMMP5E TemplateP5e)
-{
-    PMMP5E EndSpace, PointerP5e;
-
-    /* Get P5E addresses */
-    PointerP5e = MM::Paging::GetP5eAddress(StartAddress);
-    EndSpace = MM::Paging::GetP5eAddress(EndAddress);
-
-    /* Iterate over all P5Es */
-    while(PointerP5e <= EndSpace)
-    {
-        /* Check if P5E is already mapped */
-        if(!MM::Paging::PteValid(PointerP5e))
-        {
-            /* Map P5E */
-            MM::Paging::SetPte(TemplateP5e, MM::Pfn::AllocateBootstrapPages(1), 0);
-            *PointerP5e = *TemplateP5e;
-
-            /* Clear the page table */
-            RtlZeroMemory(MM::Paging::GetPteVirtualAddress(PointerP5e), MM_PAGE_SIZE);
-        }
-
-        /* Get next table entry */
-        PointerP5e = MM::Paging::GetNextPte(PointerP5e);
-    }
-}
-
 /**
  * Maps a range of virtual addresses at the PDE (Page Directory Entry) level.
  *
@@ -211,50 +164,3 @@ MM::Pte::MapPTE(PVOID StartAddress,
         PointerPte = MM::Paging::GetNextPte(PointerPte);
     }
 }
-
-/**
- * Maps a range of virtual addresses at the PXE (PML4) level.
- *
- * @param StartAddress
- *        The beginning of the virtual address range to map.
- *
- * @param EndAddress
- *        The end of the virtual address range to map.
- *
- * @param TemplatePxe
- *        A template PXE to use for creating new entries.
- *
- * @return This routine does not return any value.
- *
- * @since XT 1.0
- */
-XTAPI
-VOID
-MM::Pte::MapPXE(PVOID StartAddress,
-                PVOID EndAddress,
-                PMMPXE TemplatePxe)
-{
-    PMMPXE EndSpace, PointerPxe;
-
-    /* Get PXE addresses */
-    PointerPxe = MM::Paging::GetPxeAddress(StartAddress);
-    EndSpace = MM::Paging::GetPxeAddress(EndAddress);
-
-    /* Iterate over all PTEs */
-    while(PointerPxe <= EndSpace)
-    {
-        /* Check if PTE is already mapped */
-        if(!MM::Paging::PteValid(PointerPxe))
-        {
-            /* Map PTE */
-            MM::Paging::SetPte(TemplatePxe, MM::Pfn::AllocateBootstrapPages(1), 0);
-            *PointerPxe = *TemplatePxe;
-
-            /* Clear the page table */
-            RtlZeroMemory(MM::Paging::GetPteVirtualAddress(PointerPxe), MM_PAGE_SIZE);
-        }
-
-        /* Get next table entry */
-        PointerPxe = MM::Paging::GetNextPte(PointerPxe);
-    }
-}