Fixes for page list initialization

V86 mode fixes

svn path=/trunk/; revision=1736

reactos/.gdbinit

@@ -1,5 +1,6 @@
 file ntoskrnl/ntoskrnl.nostrip.exe
 #add-symbol-file lib/ntdll/ntdll.dll 0x77f61000
+add-symbol-file lib/kernel32/kernel32.dll 0x77f01000
 #add-symbol-file apps/exp/exp.exe 0x401000
 #add-symbol-file subsys/csrss/csrss.exe 0x401000
 #add-symbol-file subsys/smss/smss.exe 0x401000

reactos/include/ddk/i386/tss.h

@@ -39,12 +39,14 @@ typedef struct _KTSS
   USHORT Reserved6;
   USHORT Ss;
   USHORT Reserved7;
-  USHORT Fs;
+  USHORT Ds;
   USHORT Reserved8;
-  USHORT Gs;
+  USHORT Fs;
   USHORT Reserved9;
-  USHORT Ldt;
+  USHORT Gs;
   USHORT Reserved10;
+  USHORT Ldt;
+  USHORT Reserved11;
   USHORT Trap;
   USHORT IoMapBase;
   UCHAR  IoBitmap[1];

reactos/lib/kernel32/misc/atom.c

@@ -1,4 +1,4 @@
-/* $Id: atom.c,v 1.9 2000/07/01 17:07:00 ea Exp $
+/* $Id: atom.c,v 1.10 2001/03/26 20:46:52 dwelch Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries
@@ -97,25 +97,20 @@ DeleteAtom(
 
 
 
-ATOM
-STDCALL
-GlobalAddAtomA(
-    LPCSTR lpString
-    )
+ATOM STDCALL
+GlobalAddAtomA(LPCSTR lpString)
 {
-
   UINT BufLen = strlen(lpString);
-	WCHAR	* lpBuffer = (WCHAR *) HeapAlloc(
-					GetProcessHeap(),
-					(HEAP_GENERATE_EXCEPTIONS | HEAP_ZERO_MEMORY),
-					(BufLen * sizeof (WCHAR))
-					);
+  WCHAR* lpBuffer;
   ATOM atom;
   
+  lpBuffer = (WCHAR *) HeapAlloc(GetProcessHeap(),
+				 (HEAP_GENERATE_EXCEPTIONS | HEAP_ZERO_MEMORY),
+				 (BufLen * sizeof (WCHAR)));
   ansi2unicode(lpBuffer, lpString, BufLen);
   atom = AWGLAddAtom(&GlobalAtomTable, lpBuffer);
   HeapFree(GetProcessHeap(), 0, lpBuffer);
-	return atom;
+  return(atom);
 }
 
 
@@ -300,9 +295,7 @@ GLDeleteAtom(
 
 
 ATOM
-AWGLAddAtom(
-     ATOMTABLE *at, const WCHAR *lpString
-  	)
+AWGLAddAtom(ATOMTABLE *at, const WCHAR *lpString)
 {
   ATOM 		atom;
   ATOMID		q;
@@ -311,10 +304,9 @@ AWGLAddAtom(
   int		atomlen;
   int		newlen;
 	  	
-	
-	
   /* if we already have it, bump refcnt */
-	if((atom = AWGLFindAtom(at, lpString ))) {
+  if((atom = AWGLFindAtom(at, lpString ))) 
+    {
       lp = GetAtomPointer(at,atom - ATOMBASE);
       if(lp->idsize) lp->refcnt++;
       return atom;
@@ -326,11 +318,15 @@ AWGLAddAtom(
   lpfree 	  = 0;
   freeindex = 0;
   
-	for(index = 0;(lp = GetAtomPointer(at,index));index++) {
-		if(lp->q == 0 && lp->refcnt == 0) {	
-			if(lp->idsize > atomlen) {
+  for(index = 0;(lp = GetAtomPointer(at,index));index++) 
+    {
+      if(lp->q == 0 && lp->refcnt == 0) 
+	{	
+	  if(lp->idsize > atomlen) 
+	    {
 	      if ((lpfree == 0) ||
-					    (lpfree->idsize > lp->idsize)) {
+		  (lpfree->idsize > lp->idsize)) 
+		{
 		  lpfree = lp;
 		  freeindex = index;
 		}
@@ -339,7 +335,8 @@ AWGLAddAtom(
     }
   /* intatoms do not take space in data, but do get new entries */
   /* an INTATOM will have length of 0 			      */
-	if(lpfree && atomlen) {
+  if(lpfree && atomlen) 
+    {
       lpfree->q = q;
       lpfree->refcnt = 1;
       lstrcpynW(&at->AtomData[lpfree->idx],lpString,atomlen);
@@ -348,12 +345,15 @@ AWGLAddAtom(
   
   /* no space was available, or we have an INTATOM		*/
   /* so expand or create the table 				*/
-	if(at->AtomTable == 0) {
+  if(at->AtomTable == 0) 
+    {
       at->AtomTable = (ATOMENTRY *) HeapAlloc(GetProcessHeap(),HEAP_GENERATE_EXCEPTIONS|HEAP_ZERO_MEMORY,sizeof(ATOMENTRY));	
       at->TableSize = 1;
       lp = at->AtomTable;
       index = 0;
-	} else {
+    } 
+  else 
+    {
       at->TableSize++;
       at->AtomTable = (ATOMENTRY *) HeapReAlloc(GetProcessHeap(),0,
 						(LPVOID) at->AtomTable,
@@ -397,9 +397,7 @@ AWGLAddAtom(
 
 
 ATOM
-AWGLFindAtom(
-     ATOMTABLE *at, const WCHAR *lpString
-    )
+AWGLFindAtom(ATOMTABLE *at, const WCHAR *lpString)
 {
 
   ATOMID		q;
@@ -408,8 +406,6 @@ AWGLFindAtom(
   int		atomlen;
 	
       
-	
-
   /* convert string to 'q', and get length */
   q = AtomHashString(lpString,&atomlen);
   

reactos/lib/user32/windows/class.c

@@ -13,12 +13,13 @@
 #include <user32/dce.h>
 #include <user32/heapdup.h>
 
-
 CLASS *rootClass;
 
-ATOM STDCALL RegisterClassA(const WNDCLASS* wc) 
+ATOM STDCALL 
+RegisterClassA(const WNDCLASS* wc) 
 {
   WNDCLASSEX wcex;
+
   wcex.cbSize = sizeof(WNDCLASSEX);
   wcex.style = wc->style; 
   wcex.lpfnWndProc = wc->lpfnWndProc; 
@@ -34,9 +35,11 @@ ATOM STDCALL RegisterClassA(const WNDCLASS* wc)
   return RegisterClassExA(&wcex);
 }
 
-ATOM STDCALL RegisterClassW(const WNDCLASS* wc) 
+ATOM STDCALL 
+RegisterClassW(const WNDCLASS* wc) 
 {
   WNDCLASSEX wcex;
+
   wcex.cbSize = sizeof(WNDCLASSEX);
   wcex.style = wc->style; 
   wcex.lpfnWndProc = wc->lpfnWndProc; 
@@ -52,15 +55,16 @@ ATOM STDCALL RegisterClassW(const WNDCLASS* wc)
   return RegisterClassExW(&wcex);
 }
 
-ATOM STDCALL RegisterClassExA(const WNDCLASSEX* wc) 
+ATOM STDCALL 
+RegisterClassExA(const WNDCLASSEX* wc) 
 {
     ATOM atom;
     CLASS *classPtr;
     INT classExtra, winExtra;
     int len;
     
-
-    if ( wc == NULL || wc->cbSize != sizeof(WNDCLASSEX)) {
+    if (wc == NULL || wc->cbSize != sizeof(WNDCLASSEX)) 
+      {
 	SetLastError(ERROR_INVALID_DATA);
 	return FALSE;
       }

reactos/ntoskrnl/ke/i386/thread.c

@@ -196,6 +196,7 @@ HalInitFirstTask(PETHREAD thread)
    KiTss.Esp0 = (ULONG)&init_stack_top;
    KiTss.Ss0 = KERNEL_DS;
    KiTss.IoMapBase = FIELD_OFFSET(KTSS, IoBitmap);
+   //KiTss.IoMapBase = 0xFFFF;
    KiTss.IoBitmap[0] = 0xFF;   
    KiTss.Ldt = LDT_SELECTOR;
 

reactos/ntoskrnl/ke/main.c

@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: main.c,v 1.83 2001/03/25 02:34:28 dwelch Exp $
+/* $Id: main.c,v 1.84 2001/03/26 20:46:53 dwelch Exp $
  *
  * PROJECT:         ReactOS kernel
  * FILE:            ntoskrnl/ke/main.c
@@ -377,65 +377,6 @@ InitSystemSharedUserPage (PCSZ ParameterLine)
      }
 }
 
-extern NTSTATUS STDCALL
-Ke386CallBios(UCHAR Int, KV86M_REGISTERS* Regs);
-
-struct __attribute__((packed)) vesa_info
-{
-  UCHAR Signature[4];
-  USHORT Version;
-  ULONG OEMName;
-  ULONG Capabilities;
-  ULONG SupportedModes;
-  USHORT TotalVideoMemory;
-  USHORT OEMVersion;
-  ULONG VendorName;
-  ULONG ProductName;
-  ULONG ProductRevisionString;
-  UCHAR Reserved[478];
-};
-
-VOID
-TestV86Mode(VOID)
-{
-  ULONG i;
-  extern UCHAR OrigIVT[1024];
-  KV86M_REGISTERS regs;
-  NTSTATUS Status;
-  struct vesa_info* vi;
-
-  for (i = 0; i < (640 / 4); i++)
-    {
-      MmCreateVirtualMapping(NULL,
-			     (PVOID)(i * 4096),
-			     PAGE_EXECUTE_READWRITE,
-			     (ULONG)MmAllocPage(0));
-    }
-  for (; i < (1024 / 4); i++)
-    {
-      MmCreateVirtualMapping(NULL,
-			     (PVOID)(i * 4096),
-			     PAGE_EXECUTE_READ,
-			     i * 4096);
-    }
-  vi = (struct vesa_info*)0x20000;
-  vi->Signature[0] = 'V';
-  vi->Signature[1] = 'B';
-  vi->Signature[2] = 'E';
-  vi->Signature[3] = '2';
-  memset(&regs, 0, sizeof(regs));
-  regs.Eax = 0x4F00;  
-  regs.Es = 0x2000;
-  regs.Edi = 0x0;
-  memcpy((PVOID)0x0, OrigIVT, 1024);
-  Status = Ke386CallBios(0x10, &regs);
-  DbgPrint("Finished (Status %x, CS:EIP %x:%x)\n", Status, regs.Cs,
-	   regs.Eip);
-  DbgPrint("Eax %x\n", regs.Eax);
-  DbgPrint("Signature %.4s\n", vi->Signature);
-  DbgPrint("TotalVideoMemory %dKB\n", vi->TotalVideoMemory * 64);
-}
-
 VOID
 _main (ULONG MultiBootMagic, PLOADER_PARAMETER_BLOCK _LoaderBlock)
 /*

reactos/ntoskrnl/mm/freelist.c

@@ -45,6 +45,12 @@ static KSPIN_LOCK PageListLock;
 static LIST_ENTRY FreePageListHead;
 static LIST_ENTRY BiosPageListHead;
 
+NTSTATUS 
+MmCreateVirtualMappingUnsafe(struct _EPROCESS* Process,
+			     PVOID Address, 
+			     ULONG flProtect,
+			     ULONG PhysicalAddress);
+
 /* FUNCTIONS *************************************************************/
 
 PVOID
@@ -163,7 +169,8 @@ PVOID MmInitializePageList(PVOID FirstPhysKernelAddress,
 	if (!MmIsPagePresent(NULL, 
 			     (PVOID)((ULONG)MmPageArray + (i * PAGESIZE))))
 	  {
-	     Status = MmCreateVirtualMapping(NULL,
+	     Status = 
+	       MmCreateVirtualMappingUnsafe(NULL,
 					    (PVOID)((ULONG)MmPageArray + 
 						    (i * PAGESIZE)),
 					    PAGE_READWRITE,

reactos/ntoskrnl/mm/i386/page.c

@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: page.c,v 1.24 2001/03/25 02:34:29 dwelch Exp $
+/* $Id: page.c,v 1.25 2001/03/26 20:46:53 dwelch Exp $
  *
  * PROJECT:     ReactOS kernel
  * FILE:        ntoskrnl/mm/i386/page.c
@@ -583,8 +583,8 @@ BOOLEAN MmIsPagePresent(PEPROCESS Process, PVOID Address)
    return((MmGetPageEntryForProcess1(Process, Address)) & PA_PRESENT);
 }
 
-
-NTSTATUS MmCreateVirtualMapping(PEPROCESS Process,
+NTSTATUS 
+MmCreateVirtualMappingUnsafe(PEPROCESS Process,
 			     PVOID Address, 
 			     ULONG flProtect,
 			     ULONG PhysicalAddress)
@@ -594,11 +594,6 @@ NTSTATUS MmCreateVirtualMapping(PEPROCESS Process,
    PULONG Pte;
    NTSTATUS Status;
    
-   if (!MmIsUsablePage((PVOID)PhysicalAddress))
-     {
-       DPRINT1("Page not usable\n");
-       KeBugCheck(0);
-     }
    if (Process == NULL && Address < (PVOID)KERNEL_BASE)
      {
        DPRINT1("No process\n");
@@ -651,6 +646,23 @@ NTSTATUS MmCreateVirtualMapping(PEPROCESS Process,
    return(STATUS_SUCCESS);
 }
 
+NTSTATUS 
+MmCreateVirtualMapping(PEPROCESS Process,
+		       PVOID Address, 
+		       ULONG flProtect,
+		       ULONG PhysicalAddress)
+{
+   if (!MmIsUsablePage((PVOID)PhysicalAddress))
+     {
+       DPRINT1("Page not usable\n");
+       KeBugCheck(0);
+     }
+   return(MmCreateVirtualMappingUnsafe(Process,
+				       Address,
+				       flProtect,
+				       PhysicalAddress));
+}
+
 ULONG
 MmGetPageProtect(PEPROCESS Process, PVOID Address)
 {

reactos/ntoskrnl/mm/mminit.c

@@ -1,4 +1,4 @@
-/* $Id: mminit.c,v 1.15 2001/03/25 02:34:28 dwelch Exp $
+/* $Id: mminit.c,v 1.16 2001/03/26 20:46:53 dwelch Exp $
  *
  * COPYRIGHT:   See COPYING in the top directory
  * PROJECT:     ReactOS kernel 
@@ -232,7 +232,7 @@ VOID MmInit1(ULONG FirstKrnlPhysAddr,
        /* add 1MB for standard memory (not extended) */
        MmStats.NrTotalPages += 256;
      }
-   DbgPrint("Used memory %d\n", MmStats.NrTotalPages * PAGESIZE);
+   DbgPrint("Used memory %dKb\n", (MmStats.NrTotalPages * PAGESIZE) / 1024);
    
    LastKernelAddress = (ULONG)MmInitializePageList(
 					   (PVOID)FirstKrnlPhysAddr,

reactos/subsys/system/services/services.c

@@ -1,4 +1,4 @@
-/* $Id: services.c,v 1.2 2001/01/20 18:39:35 ekohl Exp $
+/* $Id: services.c,v 1.3 2001/03/26 20:46:52 dwelch Exp $
  *
  * service control manager
  * 
@@ -93,6 +93,7 @@ WinMain(HINSTANCE hInstance,
 	int nShowCmd)
 {
    HANDLE hScmStartEvent;
+   HANDLE hEvent;
    
    PrintString("Service Control Manager\n");
    
@@ -138,10 +139,17 @@ WinMain(HINSTANCE hInstance,
 
    PrintString("SERVICES: Running.\n");
    
+   hEvent = CreateEvent(NULL,
+			TRUE,
+			FALSE,
+			NULL);
+   WaitForSingleObject(hEvent, INFINITE);
+#if 0
     for (;;)
       {
 	NtYieldExecution();
       }
+#endif
 
    PrintString("SERVICES: Finished.\n");