Kernel/x86 - Added SSE/FPU state saving, not fully tested

[tpg/acess2.git] / Kernel / arch / x86 / mm_virt.c

diff --git a/Kernel/arch/x86/mm_virt.c b/Kernel/arch/x86/mm_virt.c
index 970e957..e616fc7 100644 (file)
--- a/Kernel/arch/x86/mm_virt.c
+++ b/Kernel/arch/x86/mm_virt.c
@@ -15,6 +15,7 @@
 #include <mm_virt.h>
 #include <mm_phys.h>
 #include <proc.h>
+#include <hal_proc.h>
 
 #define TAB    22
 
@@ -59,7 +60,7 @@
 typedef Uint32 tTabEnt;
 
 // === IMPORTS ===
-extern void    _UsertextEnd, _UsertextBase;
+extern char    _UsertextEnd[], _UsertextBase[];
 extern Uint32  gaInitPageDir[1024];
 extern Uint32  gaInitPageTable[1024];
 extern void    Threads_SegFault(tVAddr Addr);
@@ -69,8 +70,8 @@ extern void   Error_Backtrace(Uint eip, Uint ebp);
 void   MM_PreinitVirtual(void);
 void   MM_InstallVirtual(void);
 void   MM_PageFault(tVAddr Addr, Uint ErrorCode, tRegs *Regs);
-void   MM_DumpTables(tVAddr Start, tVAddr End);
-tVAddr MM_ClearUser(void);
+//void MM_DumpTables(tVAddr Start, tVAddr End);
+//void MM_ClearUser(void);
 tPAddr MM_DuplicatePage(tVAddr VAddr);
 
 // === GLOBALS ===
@@ -175,7 +176,7 @@ void MM_PageFault(tVAddr Addr, Uint ErrorCode, tRegs *Regs)
                        gaPageTable[Addr>>12] |= paddr|PF_PRESENT|PF_WRITE;
                }
                
-               Log_Debug("MMVirt", "COW for %p (%P)", Addr, gaPageTable[Addr>>12]);
+//             Log_Debug("MMVirt", "COW for %p (%P)", Addr, gaPageTable[Addr>>12]);
                
                INVLPG( Addr & ~0xFFF );
                return;
@@ -475,10 +476,9 @@ int MM_Map(tVAddr VAddr, tPAddr PAddr)
 }
 
 /**
- * \fn tVAddr MM_ClearUser()
  * \brief Clear user's address space
  */
-tVAddr MM_ClearUser(void)
+void MM_ClearUser(void)
 {
        Uint    i, j;
        
@@ -504,8 +504,6 @@ tVAddr MM_ClearUser(void)
                INVLPG( &gaPageTable[i*1024] );
        }
        INVLPG( gaPageDir );
-       
-       return *gpPageCR3;
 }
 
 /**