18 Oct
2009
18 Oct
'09
6:29 p.m.
Author: tkreuzer
Date: Sun Oct 18 20:29:25 2009
New Revision: 43566
URL: http://svn.reactos.org/svn/reactos?rev=43566&view=rev
Log:
[FREELDR]
- move wlmemory.c into arch specific folder
- add elmemory.c and ntsetup.c for amd64 (stubbed)
Added:
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/ (with props)
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/ntsetup.c
(with props)
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/wlmemory.c
(with props)
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/i386/wlmemory.c
- copied unchanged from r43562,
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/wlmemory.c
Removed:
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/wlmemory.c
Modified:
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_base.rbuild
Modified: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/…
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild
[iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild
[iso-8859-1] Sun Oct 18 20:29:25 2009
@@ -105,6 +105,13 @@
<if property="ARCH" value="i386">
<directory name="i386">
<file>ntsetup.c</file>
+ <file>wlmemory.c</file>
+ </directory>
+ </if>
+ <if property="ARCH" value="amd64">
+ <directory name="amd64">
+ <file>ntsetup.c</file>
+ <file>wlmemory.c</file>
</directory>
</if>
</directory>
Modified: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_base.rbuild
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/…
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_base.rbuild
[iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/freeldr_base.rbuild
[iso-8859-1] Sun Oct 18 20:29:25 2009
@@ -73,7 +73,14 @@
<file>conversion.c</file>
<file>peloader.c</file>
<file>winldr.c</file>
- <file>wlmemory.c</file>
+ <file>wlregistry.c</file>
+ </directory>
+ </if>
+ <if property="ARCH" value="amd64">
+ <directory name="windows">
+ <file>conversion.c</file>
+ <file>peloader.c</file>
+ <file>winldr.c</file>
<file>wlregistry.c</file>
</directory>
</if>
Propchange: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/
------------------------------------------------------------------------------
--- bugtraq:logregex (added)
+++ bugtraq:logregex Sun Oct 18 20:29:25 2009
@@ -1,0 +1,2 @@
+([Ii]ssue|[Bb]ug)s? #?(\d+)(,? ?#?(\d+))*(,? ?(and |or )?#?(\d+))?
+(\d+)
Propchange: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/
------------------------------------------------------------------------------
bugtraq:message = See issue #%BUGID% for more details.
Propchange: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/
------------------------------------------------------------------------------
bugtraq:url = http://www.reactos.org/bugzilla/show_bug.cgi?id=%BUGID%
Propchange: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/
------------------------------------------------------------------------------
tsvn:logminsize = 10
Added: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/ntsetup.c
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/…
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/ntsetup.c
(added)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/ntsetup.c
[iso-8859-1] Sun Oct 18 20:29:25 2009
@@ -1,0 +1,44 @@
+/*
+ * PROJECT: EFI Windows Loader
+ * LICENSE: GPL - See COPYING in the top level directory
+ * FILE: freeldr/windows/i386/ntsetup.c
+ * PURPOSE: i386-specific setup for Windows boot
+ * PROGRAMMERS: Aleksey Bragin (aleksey(a)reactos.org)
+ */
+
+/* INCLUDES ***************************************************************/
+
+#include <freeldr.h>
+#include <debug.h>
+
+// this is needed for new IDT filling
+#if 0
+extern ULONG_PTR i386DivideByZero;
+extern ULONG_PTR i386DebugException;
+extern ULONG_PTR i386NMIException;
+extern ULONG_PTR i386Breakpoint;
+extern ULONG_PTR i386Overflow;
+extern ULONG_PTR i386BoundException;
+extern ULONG_PTR i386InvalidOpcode;
+extern ULONG_PTR i386FPUNotAvailable;
+extern ULONG_PTR i386DoubleFault;
+extern ULONG_PTR i386CoprocessorSegment;
+extern ULONG_PTR i386InvalidTSS;
+extern ULONG_PTR i386SegmentNotPresent;
+extern ULONG_PTR i386StackException;
+extern ULONG_PTR i386GeneralProtectionFault;
+extern ULONG_PTR i386PageFault; // exc 14
+extern ULONG_PTR i386CoprocessorError; // exc 16
+extern ULONG_PTR i386AlignmentCheck; // exc 17
+#endif
+
+/* FUNCTIONS **************************************************************/
+
+// Last step before going virtual
+void WinLdrSetupForNt(PLOADER_PARAMETER_BLOCK LoaderBlock,
+ PVOID *GdtIdt,
+ ULONG *PcrBasePage,
+ ULONG *TssBasePage)
+{
+
+}
Propchange:
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/ntsetup.c
------------------------------------------------------------------------------
svn:eol-style = native
Added: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/wlmemory.c
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/…
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/wlmemory.c
(added)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/wlmemory.c
[iso-8859-1] Sun Oct 18 20:29:25 2009
@@ -1,0 +1,169 @@
+/*
+ * PROJECT: EFI Windows Loader
+ * LICENSE: GPL - See COPYING in the top level directory
+ * FILE: freeldr/winldr/wlmemory.c
+ * PURPOSE: Memory related routines
+ * PROGRAMMERS: Aleksey Bragin (aleksey(a)reactos.org)
+ */
+
+/* INCLUDES ***************************************************************/
+
+#include <freeldr.h>
+
+#include <ndk/asm.h>
+#include <debug.h>
+
+extern ULONG TotalNLSSize;
+extern ULONG LoaderPagesSpanned;
+
+// This is needed because headers define wrong one for ReactOS
+#undef KIP0PCRADDRESS
+#define KIP0PCRADDRESS 0xffdff000
+
+#define HYPER_SPACE_ENTRY 0x300
+
+PCHAR MemTypeDesc[] = {
+ "ExceptionBlock ", // ?
+ "SystemBlock ", // ?
+ "Free ",
+ "Bad ", // used
+ "LoadedProgram ", // == Free
+ "FirmwareTemporary ", // == Free
+ "FirmwarePermanent ", // == Bad
+ "OsloaderHeap ", // used
+ "OsloaderStack ", // == Free
+ "SystemCode ",
+ "HalCode ",
+ "BootDriver ", // not used
+ "ConsoleInDriver ", // ?
+ "ConsoleOutDriver ", // ?
+ "StartupDpcStack ", // ?
+ "StartupKernelStack", // ?
+ "StartupPanicStack ", // ?
+ "StartupPcrPage ", // ?
+ "StartupPdrPage ", // ?
+ "RegistryData ", // used
+ "MemoryData ", // not used
+ "NlsData ", // used
+ "SpecialMemory ", // == Bad
+ "BBTMemory " // == Bad
+ };
+
+VOID
+WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock);
+
+
+VOID
+MempAddMemoryBlock(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+ ULONG BasePage,
+ ULONG PageCount,
+ ULONG Type);
+VOID
+WinLdrInsertDescriptor(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+ IN PMEMORY_ALLOCATION_DESCRIPTOR NewDescriptor);
+
+VOID
+WinLdrRemoveDescriptor(IN PMEMORY_ALLOCATION_DESCRIPTOR Descriptor);
+
+VOID
+WinLdrSetProcessorContext(PVOID GdtIdt, IN ULONG Pcr, IN ULONG Tss);
+
+// This is needed only for SetProcessorContext routine
+#pragma pack(2)
+ typedef struct
+ {
+ USHORT Limit;
+ ULONG Base;
+ } GDTIDT;
+#pragma pack(4)
+
+/* GLOBALS ***************************************************************/
+
+PHARDWARE_PTE PDE;
+PHARDWARE_PTE HalPageTable;
+
+PUCHAR PhysicalPageTablesBuffer;
+PUCHAR KernelPageTablesBuffer;
+ULONG PhysicalPageTables;
+ULONG KernelPageTables;
+
+MEMORY_ALLOCATION_DESCRIPTOR *Mad;
+ULONG MadCount = 0;
+
+
+/* FUNCTIONS **************************************************************/
+
+BOOLEAN
+MempAllocatePageTables()
+{
+
+ return TRUE;
+}
+
+VOID
+MempAllocatePTE(ULONG Entry, PHARDWARE_PTE *PhysicalPT, PHARDWARE_PTE *KernelPT)
+{
+
+}
+
+BOOLEAN
+MempSetupPaging(IN ULONG StartPage,
+ IN ULONG NumberOfPages)
+{
+
+ return TRUE;
+}
+
+VOID
+MempDisablePages()
+{
+
+}
+
+VOID
+MempAddMemoryBlock(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+ ULONG BasePage,
+ ULONG PageCount,
+ ULONG Type)
+{
+
+}
+
+#ifdef _M_IX86
+VOID
+WinLdrpMapApic()
+{
+
+}
+#else
+VOID
+WinLdrpMapApic()
+{
+ /* Implement it for another arch */
+}
+#endif
+
+BOOLEAN
+WinLdrTurnOnPaging(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+ ULONG PcrBasePage,
+ ULONG TssBasePage,
+ PVOID GdtIdt)
+{
+return 1;
+}
+
+// Two special things this func does: it sorts descriptors,
+// and it merges free ones
+VOID
+WinLdrInsertDescriptor(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
+ IN PMEMORY_ALLOCATION_DESCRIPTOR NewDescriptor)
+{
+
+}
+
+VOID
+WinLdrSetProcessorContext(PVOID GdtIdt, IN ULONG Pcr, IN ULONG Tss)
+{
+
+}
+
Propchange:
branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/amd64/wlmemory.c
------------------------------------------------------------------------------
svn:eol-style = native
Removed: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/wlmemory.c
URL:
http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/…
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/wlmemory.c
[iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/windows/wlmemory.c (removed)
@@ -1,939 +1,0 @@
-/*
- * PROJECT: EFI Windows Loader
- * LICENSE: GPL - See COPYING in the top level directory
- * FILE: freeldr/winldr/wlmemory.c
- * PURPOSE: Memory related routines
- * PROGRAMMERS: Aleksey Bragin (aleksey(a)reactos.org)
- */
-
-/* INCLUDES ***************************************************************/
-
-#include <freeldr.h>
-
-#include <ndk/asm.h>
-#include <debug.h>
-
-extern ULONG TotalNLSSize;
-extern ULONG LoaderPagesSpanned;
-
-// This is needed because headers define wrong one for ReactOS
-#undef KIP0PCRADDRESS
-#define KIP0PCRADDRESS 0xffdff000
-
-#define HYPER_SPACE_ENTRY 0x300
-
-PCHAR MemTypeDesc[] = {
- "ExceptionBlock ", // ?
- "SystemBlock ", // ?
- "Free ",
- "Bad ", // used
- "LoadedProgram ", // == Free
- "FirmwareTemporary ", // == Free
- "FirmwarePermanent ", // == Bad
- "OsloaderHeap ", // used
- "OsloaderStack ", // == Free
- "SystemCode ",
- "HalCode ",
- "BootDriver ", // not used
- "ConsoleInDriver ", // ?
- "ConsoleOutDriver ", // ?
- "StartupDpcStack ", // ?
- "StartupKernelStack", // ?
- "StartupPanicStack ", // ?
- "StartupPcrPage ", // ?
- "StartupPdrPage ", // ?
- "RegistryData ", // used
- "MemoryData ", // not used
- "NlsData ", // used
- "SpecialMemory ", // == Bad
- "BBTMemory " // == Bad
- };
-
-VOID
-WinLdrpDumpMemoryDescriptors(PLOADER_PARAMETER_BLOCK LoaderBlock);
-
-
-VOID
-MempAddMemoryBlock(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
- ULONG BasePage,
- ULONG PageCount,
- ULONG Type);
-VOID
-WinLdrInsertDescriptor(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
- IN PMEMORY_ALLOCATION_DESCRIPTOR NewDescriptor);
-
-VOID
-WinLdrRemoveDescriptor(IN PMEMORY_ALLOCATION_DESCRIPTOR Descriptor);
-
-VOID
-WinLdrSetProcessorContext(PVOID GdtIdt, IN ULONG Pcr, IN ULONG Tss);
-
-// This is needed only for SetProcessorContext routine
-#pragma pack(2)
- typedef struct
- {
- USHORT Limit;
- ULONG Base;
- } GDTIDT;
-#pragma pack(4)
-
-/* GLOBALS ***************************************************************/
-
-PHARDWARE_PTE PDE;
-PHARDWARE_PTE HalPageTable;
-
-PUCHAR PhysicalPageTablesBuffer;
-PUCHAR KernelPageTablesBuffer;
-ULONG PhysicalPageTables;
-ULONG KernelPageTables;
-
-MEMORY_ALLOCATION_DESCRIPTOR *Mad;
-ULONG MadCount = 0;
-
-
-/* FUNCTIONS **************************************************************/
-
-BOOLEAN
-MempAllocatePageTables()
-{
- ULONG NumPageTables, TotalSize;
- PUCHAR Buffer;
- // It's better to allocate PDE + PTEs contigiuos
-
- // Max number of entries = MaxPageNum >> 10
- // FIXME: This is a number to describe ALL physical memory
- // and windows doesn't expect ALL memory mapped...
- NumPageTables = (GetSystemMemorySize() >> MM_PAGE_SHIFT) >> 10;
-
- DPRINTM(DPRINT_WINDOWS, "NumPageTables = %d\n", NumPageTables);
-
- // Allocate memory block for all these things:
- // PDE, HAL mapping page table, physical mapping, kernel mapping
- TotalSize = (1+1+NumPageTables*2)*MM_PAGE_SIZE;
-
- // PDE+HAL+KernelPTEs == MemoryData
- Buffer = MmAllocateMemoryWithType(TotalSize, LoaderMemoryData);
-
- // Physical PTEs = FirmwareTemporary
- PhysicalPageTablesBuffer = (PUCHAR)Buffer + TotalSize - NumPageTables*MM_PAGE_SIZE;
- MmSetMemoryType(PhysicalPageTablesBuffer,
- NumPageTables*MM_PAGE_SIZE,
- LoaderFirmwareTemporary);
-
- // This check is now redundant
- if (Buffer + (TotalSize - NumPageTables*MM_PAGE_SIZE) !=
- PhysicalPageTablesBuffer)
- {
- DPRINTM(DPRINT_WINDOWS, "There was a problem allocating two adjacent blocks of
memory!");
- }
-
- if (Buffer == NULL || PhysicalPageTablesBuffer == NULL)
- {
- UiMessageBox("Impossible to allocate memory block for page tables!");
- return FALSE;
- }
-
- // Zero all this memory block
- RtlZeroMemory(Buffer, TotalSize);
-
- // Set up pointers correctly now
- PDE = (PHARDWARE_PTE)Buffer;
-
- // Map the page directory at 0xC0000000 (maps itself)
- PDE[HYPER_SPACE_ENTRY].PageFrameNumber = (ULONG)PDE >> MM_PAGE_SHIFT;
- PDE[HYPER_SPACE_ENTRY].Valid = 1;
- PDE[HYPER_SPACE_ENTRY].Write = 1;
-
- // The last PDE slot is allocated for HAL's memory mapping (Virtual Addresses
0xFFC00000 - 0xFFFFFFFF)
- HalPageTable = (PHARDWARE_PTE)&Buffer[MM_PAGE_SIZE*1];
-
- // Map it
- PDE[1023].PageFrameNumber = (ULONG)HalPageTable >> MM_PAGE_SHIFT;
- PDE[1023].Valid = 1;
- PDE[1023].Write = 1;
-
- // Store pointer to the table for easier access
- KernelPageTablesBuffer = &Buffer[MM_PAGE_SIZE*2];
-
- // Zero counters of page tables used
- PhysicalPageTables = 0;
- KernelPageTables = 0;
-
- return TRUE;
-}
-
-VOID
-MempAllocatePTE(ULONG Entry, PHARDWARE_PTE *PhysicalPT, PHARDWARE_PTE *KernelPT)
-{
- //Print(L"Creating PDE Entry %X\n", Entry);
-
- // Identity mapping
- *PhysicalPT =
(PHARDWARE_PTE)&PhysicalPageTablesBuffer[PhysicalPageTables*MM_PAGE_SIZE];
- PhysicalPageTables++;
-
- PDE[Entry].PageFrameNumber = (ULONG)*PhysicalPT >> MM_PAGE_SHIFT;
- PDE[Entry].Valid = 1;
- PDE[Entry].Write = 1;
-
- if (Entry+(KSEG0_BASE >> 22) > 1023)
- {
- DPRINTM(DPRINT_WINDOWS, "WARNING! Entry: %X > 1023\n", Entry+(KSEG0_BASE
>> 22));
- }
-
- // Kernel-mode mapping
- *KernelPT = (PHARDWARE_PTE)&KernelPageTablesBuffer[KernelPageTables*MM_PAGE_SIZE];
- KernelPageTables++;
-
- PDE[Entry+(KSEG0_BASE >> 22)].PageFrameNumber = ((ULONG)*KernelPT >>
MM_PAGE_SHIFT);
- PDE[Entry+(KSEG0_BASE >> 22)].Valid = 1;
- PDE[Entry+(KSEG0_BASE >> 22)].Write = 1;
-}
-
-BOOLEAN
-MempSetupPaging(IN ULONG StartPage,
- IN ULONG NumberOfPages)
-{
- PHARDWARE_PTE PhysicalPT;
- PHARDWARE_PTE KernelPT;
- ULONG Entry, Page;
-
- //Print(L"MempSetupPaging: SP 0x%X, Number: 0x%X\n", StartPage,
NumberOfPages);
-
- // HACK
- if (StartPage+NumberOfPages >= 0x80000)
- {
- //
- // We can't map this as it requires more than 1 PDE
- // and in fact it's not possible at all ;)
- //
- //Print(L"skipping...\n");
- return TRUE;
- }
-
- //
- // Now actually set up the page tables for identity mapping
- //
- for (Page=StartPage; Page < StartPage+NumberOfPages; Page++)
- {
- Entry = Page >> 10;
-
- if (((PULONG)PDE)[Entry] == 0)
- {
- MempAllocatePTE(Entry, &PhysicalPT, &KernelPT);
- }
- else
- {
- PhysicalPT = (PHARDWARE_PTE)(PDE[Entry].PageFrameNumber << MM_PAGE_SHIFT);
- KernelPT = (PHARDWARE_PTE)(PDE[Entry+(KSEG0_BASE >> 22)].PageFrameNumber
<< MM_PAGE_SHIFT);
- }
-
- if (Page == 0)
- {
- PhysicalPT[Page & 0x3ff].PageFrameNumber = Page;
- PhysicalPT[Page & 0x3ff].Valid = 0;
- PhysicalPT[Page & 0x3ff].Write = 0;
-
- KernelPT[Page & 0x3ff].PageFrameNumber = Page;
- KernelPT[Page & 0x3ff].Valid = 0;
- KernelPT[Page & 0x3ff].Write = 0;
- }
- else
- {
- PhysicalPT[Page & 0x3ff].PageFrameNumber = Page;
- PhysicalPT[Page & 0x3ff].Valid = 1;
- PhysicalPT[Page & 0x3ff].Write = 1;
-
- KernelPT[Page & 0x3ff].PageFrameNumber = Page;
- KernelPT[Page & 0x3ff].Valid = 1;
- KernelPT[Page & 0x3ff].Write = 1;
- }
- }
-
- return TRUE;
-}
-
-VOID
-MempDisablePages()
-{
- ULONG i;
-
- //
- // We need to delete kernel mapping from memory areas which are
- // marked as Special or Permanent memory (thus non-accessible)
- //
-
- for (i=0; i<MadCount; i++)
- {
- ULONG StartPage, EndPage, Page;
-
- StartPage = Mad[i].BasePage;
- EndPage = Mad[i].BasePage + Mad[i].PageCount;
-
- if (Mad[i].MemoryType == LoaderFirmwarePermanent ||
- Mad[i].MemoryType == LoaderSpecialMemory ||
- Mad[i].MemoryType == LoaderFree ||
- (Mad[i].MemoryType == LoaderFirmwareTemporary && EndPage <=
LoaderPagesSpanned) ||
- Mad[i].MemoryType == LoaderOsloaderStack ||
- Mad[i].MemoryType == LoaderLoadedProgram)
- {
- //
- // But, the first megabyte of memory always stays!
- // And, to tell the truth, we don't care about what's higher
- // than LoaderPagesSpanned
- if (Mad[i].MemoryType == LoaderFirmwarePermanent ||
- Mad[i].MemoryType == LoaderSpecialMemory)
- {
- if (StartPage < 0x100)
- StartPage = 0x100;
-
- if (EndPage > LoaderPagesSpanned)
- EndPage = LoaderPagesSpanned;
- }
-
- for (Page = StartPage; Page < EndPage; Page++)
- {
- PHARDWARE_PTE KernelPT;
- ULONG Entry = (Page >> 10) + (KSEG0_BASE >> 22);
-
- if (PDE[Entry].Valid)
- {
- KernelPT = (PHARDWARE_PTE)(PDE[Entry].PageFrameNumber << MM_PAGE_SHIFT);
-
- if (KernelPT)
- {
- KernelPT[Page & 0x3ff].PageFrameNumber = 0;
- KernelPT[Page & 0x3ff].Valid = 0;
- KernelPT[Page & 0x3ff].Write = 0;
- }
- }
- }
- }
- }
-}
-
-VOID
-MempAddMemoryBlock(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
- ULONG BasePage,
- ULONG PageCount,
- ULONG Type)
-{
- BOOLEAN Status;
-
- //
- // Check for some weird stuff at the top
- //
- if (BasePage + PageCount > 0xF0000)
- {
- //
- // Just skip this, without even adding to MAD list
- //
- return;
- }
-
- //
- // Set Base page, page count and type
- //
- Mad[MadCount].BasePage = BasePage;
- Mad[MadCount].PageCount = PageCount;
- Mad[MadCount].MemoryType = Type;
-
- //
- // Check if it's more than the allowed for OS loader
- // if yes - don't map the pages, just add as FirmwareTemporary
- //
- if (BasePage + PageCount > LoaderPagesSpanned)
- {
- if (Mad[MadCount].MemoryType != LoaderSpecialMemory &&
- Mad[MadCount].MemoryType != LoaderFirmwarePermanent &&
- Mad[MadCount].MemoryType != LoaderFree)
- {
- DPRINTM(DPRINT_WINDOWS, "Setting page %x %x to Temporary from %d\n",
- BasePage, PageCount, Mad[MadCount].MemoryType);
- Mad[MadCount].MemoryType = LoaderFirmwareTemporary;
- }
-
- WinLdrInsertDescriptor(LoaderBlock, &Mad[MadCount]);
- MadCount++;
-
- return;
- }
-
- //
- // Add descriptor
- //
- WinLdrInsertDescriptor(LoaderBlock, &Mad[MadCount]);
- MadCount++;
-
- //
- // Map it (don't map low 1Mb because it was already contigiously
- // mapped in WinLdrTurnOnPaging)
- //
- if (BasePage >= 0x100)
- {
- Status = MempSetupPaging(BasePage, PageCount);
- if (!Status)
- {
- DPRINTM(DPRINT_WINDOWS, "Error during MempSetupPaging\n");
- return;
- }
- }
-}
-
-#ifdef _M_IX86
-VOID
-WinLdrpMapApic()
-{
- BOOLEAN LocalAPIC;
- LARGE_INTEGER MsrValue;
- ULONG APICAddress, CpuInfo[4];
-
- /* Check if we have a local APIC */
- __cpuid((int*)CpuInfo, 1);
- LocalAPIC = (((CpuInfo[3] >> 9) & 1) != 0);
-
- /* If there is no APIC, just return */
- if (!LocalAPIC)
- return;
-
- /* Read the APIC Address */
- MsrValue.QuadPart = __readmsr(0x1B);
- APICAddress = (MsrValue.LowPart & 0xFFFFF000);
-
- DPRINTM(DPRINT_WINDOWS, "Local APIC detected at address 0x%x\n",
- APICAddress);
-
- /* Map it */
- HalPageTable[(APIC_BASE - 0xFFC00000) >> MM_PAGE_SHIFT].PageFrameNumber
- = APICAddress >> MM_PAGE_SHIFT;
- HalPageTable[(APIC_BASE - 0xFFC00000) >> MM_PAGE_SHIFT].Valid = 1;
- HalPageTable[(APIC_BASE - 0xFFC00000) >> MM_PAGE_SHIFT].Write = 1;
- HalPageTable[(APIC_BASE - 0xFFC00000) >> MM_PAGE_SHIFT].WriteThrough = 1;
- HalPageTable[(APIC_BASE - 0xFFC00000) >> MM_PAGE_SHIFT].CacheDisable = 1;
-}
-#else
-VOID
-WinLdrpMapApic()
-{
- /* Implement it for another arch */
-}
-#endif
-
-BOOLEAN
-WinLdrTurnOnPaging(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
- ULONG PcrBasePage,
- ULONG TssBasePage,
- PVOID GdtIdt)
-{
- ULONG i, PagesCount, MemoryMapSizeInPages;
- ULONG LastPageIndex, LastPageType, MemoryMapStartPage;
- PPAGE_LOOKUP_TABLE_ITEM MemoryMap;
- ULONG NoEntries;
- PKTSS Tss;
- BOOLEAN Status;
-
- //
- // Creating a suitable memory map for the Windows can be tricky, so let's
- // give a few advices:
- // 1) One must not map the whole available memory pages to PDE!
- // Map only what's needed - 16Mb, 24Mb, 32Mb max I think,
- // thus occupying 4, 6 or 8 PDE entries for identical mapping,
- // the same quantity for KSEG0_BASE mapping, one more entry for
- // hyperspace and one more entry for HAL physical pages mapping.
- // 2) Memory descriptors must map *the whole* physical memory
- // showing any memory above 16/24/32 as FirmwareTemporary
- //
- // 3) Overall memory blocks count must not exceed 30 (?? why?)
- //
-
- //
- // During MmInitMachineDependent, the kernel zeroes PDE at the following address
- // 0xC0300000 - 0xC03007FC
- //
- // Then it finds the best place for non-paged pool:
- // StartPde C0300F70, EndPde C0300FF8, NumberOfPages C13, NextPhysPage 3AD
- //
-
- // Before we start mapping pages, create a block of memory, which will contain
- // PDE and PTEs
- if (MempAllocatePageTables() == FALSE)
- return FALSE;
-
- // Allocate memory for memory allocation descriptors
- Mad = MmHeapAlloc(sizeof(MEMORY_ALLOCATION_DESCRIPTOR) * 1024);
-
- // Setup an entry for each descriptor
- MemoryMap = MmGetMemoryMap(&NoEntries);
- if (MemoryMap == NULL)
- {
- UiMessageBox("Can not retrieve the current memory map");
- return FALSE;
- }
-
- // Calculate parameters of the memory map
- MemoryMapStartPage = (ULONG_PTR)MemoryMap >> MM_PAGE_SHIFT;
- MemoryMapSizeInPages = NoEntries * sizeof(PAGE_LOOKUP_TABLE_ITEM);
-
- DPRINTM(DPRINT_WINDOWS, "Got memory map with %d entries\n", NoEntries);
-
- // Always contigiously map low 1Mb of memory
- Status = MempSetupPaging(0, 0x100);
- if (!Status)
- {
- DPRINTM(DPRINT_WINDOWS, "Error during MempSetupPaging of low 1Mb\n");
- return FALSE;
- }
-
- // Construct a good memory map from what we've got,
- // but mark entries which the memory allocation bitmap takes
- // as free entries (this is done in order to have the ability
- // to place mem alloc bitmap outside lower 16Mb zone)
- PagesCount = 1;
- LastPageIndex = 0;
- LastPageType = MemoryMap[0].PageAllocated;
- for(i=1;i<NoEntries;i++)
- {
- // Check if its memory map itself
- if (i >= MemoryMapStartPage &&
- i < (MemoryMapStartPage+MemoryMapSizeInPages))
- {
- // Exclude it if current page belongs to the memory map
- MemoryMap[i].PageAllocated = LoaderFree;
- }
-
- // Process entry
- if (MemoryMap[i].PageAllocated == LastPageType &&
- (i != NoEntries-1) )
- {
- PagesCount++;
- }
- else
- {
- // Add the resulting region
- MempAddMemoryBlock(LoaderBlock, LastPageIndex, PagesCount, LastPageType);
-
- // Reset our counter vars
- LastPageIndex = i;
- LastPageType = MemoryMap[i].PageAllocated;
- PagesCount = 1;
- }
- }
-
- // TEMP, DEBUG!
- // adding special reserved memory zones for vmware workstation
-#if 0
- {
- Mad[MadCount].BasePage = 0xfec00;
- Mad[MadCount].PageCount = 0x10;
- Mad[MadCount].MemoryType = LoaderSpecialMemory;
- WinLdrInsertDescriptor(LoaderBlock, &Mad[MadCount]);
- MadCount++;
-
- Mad[MadCount].BasePage = 0xfee00;
- Mad[MadCount].PageCount = 0x1;
- Mad[MadCount].MemoryType = LoaderSpecialMemory;
- WinLdrInsertDescriptor(LoaderBlock, &Mad[MadCount]);
- MadCount++;
-
- Mad[MadCount].BasePage = 0xfffe0;
- Mad[MadCount].PageCount = 0x20;
- Mad[MadCount].MemoryType = LoaderSpecialMemory;
- WinLdrInsertDescriptor(LoaderBlock, &Mad[MadCount]);
- MadCount++;
- }
-#endif
-
- DPRINTM(DPRINT_WINDOWS, "MadCount: %d\n", MadCount);
-
- WinLdrpDumpMemoryDescriptors(LoaderBlock); //FIXME: Delete!
-
- // Map our loader image, so we can continue running
- /*Status = MempSetupPaging(OsLoaderBase >> MM_PAGE_SHIFT, OsLoaderSize >>
MM_PAGE_SHIFT);
- if (!Status)
- {
- UiMessageBox("Error during MempSetupPaging");
- return;
- }*/
-
- //VideoDisplayString(L"Hello from VGA, going into the kernel\n");
- DPRINTM(DPRINT_WINDOWS, "HalPageTable: 0x%X\n", HalPageTable);
-
- // Page Tables have been setup, make special handling for PCR and TSS
- // (which is done in BlSetupFotNt in usual ntldr)
- HalPageTable[(KI_USER_SHARED_DATA - 0xFFC00000) >> MM_PAGE_SHIFT].PageFrameNumber
= PcrBasePage+1;
- HalPageTable[(KI_USER_SHARED_DATA - 0xFFC00000) >> MM_PAGE_SHIFT].Valid = 1;
- HalPageTable[(KI_USER_SHARED_DATA - 0xFFC00000) >> MM_PAGE_SHIFT].Write = 1;
-
- HalPageTable[(KIP0PCRADDRESS - 0xFFC00000) >> MM_PAGE_SHIFT].PageFrameNumber =
PcrBasePage;
- HalPageTable[(KIP0PCRADDRESS - 0xFFC00000) >> MM_PAGE_SHIFT].Valid = 1;
- HalPageTable[(KIP0PCRADDRESS - 0xFFC00000) >> MM_PAGE_SHIFT].Write = 1;
-
- // Map APIC
- WinLdrpMapApic();
-
- // Map VGA memory
- //VideoMemoryBase = MmMapIoSpace(0xb8000, 4000, MmNonCached);
- //DPRINTM(DPRINT_WINDOWS, "VideoMemoryBase: 0x%X\n", VideoMemoryBase);
-
- Tss = (PKTSS)(KSEG0_BASE | (TssBasePage << MM_PAGE_SHIFT));
-
- // Unmap what is not needed from kernel page table
- MempDisablePages();
-
- // Fill the memory descriptor list and
- //PrepareMemoryDescriptorList();
- DPRINTM(DPRINT_WINDOWS, "Memory Descriptor List prepared, printing PDE\n");
- List_PaToVa(&LoaderBlock->MemoryDescriptorListHead);
-
-#if DBG
- {
- ULONG *PDE_Addr=(ULONG *)PDE;//0xC0300000;
- int j;
-
- DPRINTM(DPRINT_WINDOWS, "\nPDE\n");
-
- for (i=0; i<128; i++)
- {
- DPRINTM(DPRINT_WINDOWS, "0x%04X | ", i*8);
-
- for (j=0; j<8; j++)
- {
- DPRINTM(DPRINT_WINDOWS, "0x%08X ", PDE_Addr[i*8+j]);
- }
-
- DPRINTM(DPRINT_WINDOWS, "\n");
- }
- }
-#endif
-
-
- // Enable paging
- //BS->ExitBootServices(ImageHandle,MapKey);
-
- // Disable Interrupts
- _disable();
-
- // Re-initalize EFLAGS
- __writeeflags(0);
-
- // Set the PDBR
- __writecr3((ULONG_PTR)PDE);
-
- // Enable paging by modifying CR0
- __writecr0(__readcr0() | CR0_PG);
-
- // Set processor context
- WinLdrSetProcessorContext(GdtIdt, KIP0PCRADDRESS, KSEG0_BASE | (TssBasePage <<
MM_PAGE_SHIFT));
-
- // Zero KI_USER_SHARED_DATA page
- memset((PVOID)KI_USER_SHARED_DATA, 0, MM_PAGE_SIZE);
-
- return TRUE;
-}
-
-// Two special things this func does: it sorts descriptors,
-// and it merges free ones
-VOID
-WinLdrInsertDescriptor(IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock,
- IN PMEMORY_ALLOCATION_DESCRIPTOR NewDescriptor)
-{
- PLIST_ENTRY ListHead = &LoaderBlock->MemoryDescriptorListHead;
- PLIST_ENTRY PreviousEntry, NextEntry;
- PMEMORY_ALLOCATION_DESCRIPTOR PreviousDescriptor = NULL, NextDescriptor = NULL;
-
- DPRINTM(DPRINT_WINDOWS, "BP=0x%X PC=0x%X %s\n", NewDescriptor->BasePage,
- NewDescriptor->PageCount, MemTypeDesc[NewDescriptor->MemoryType]);
-
- /* Find a place where to insert the new descriptor to */
- PreviousEntry = ListHead;
- NextEntry = ListHead->Flink;
- while (NextEntry != ListHead)
- {
- NextDescriptor = CONTAINING_RECORD(NextEntry,
- MEMORY_ALLOCATION_DESCRIPTOR,
- ListEntry);
- if (NewDescriptor->BasePage < NextDescriptor->BasePage)
- break;
-
- PreviousEntry = NextEntry;
- PreviousDescriptor = NextDescriptor;
- NextEntry = NextEntry->Flink;
- }
-
- /* Don't forget about merging free areas */
- if (NewDescriptor->MemoryType != LoaderFree)
- {
- /* Just insert, nothing to merge */
- InsertHeadList(PreviousEntry, &NewDescriptor->ListEntry);
- }
- else
- {
- /* Previous block also free? */
- if ((PreviousEntry != ListHead) && (PreviousDescriptor->MemoryType ==
LoaderFree) &&
- ((PreviousDescriptor->BasePage + PreviousDescriptor->PageCount) ==
- NewDescriptor->BasePage))
- {
- /* Just enlarge previous descriptor's PageCount */
- PreviousDescriptor->PageCount += NewDescriptor->PageCount;
- NewDescriptor = PreviousDescriptor;
- }
- else
- {
- /* Nope, just insert */
- InsertHeadList(PreviousEntry, &NewDescriptor->ListEntry);
- }
-
- /* Next block is free ?*/
- if ((NextEntry != ListHead) &&
- (NextDescriptor->MemoryType == LoaderFree) &&
- ((NewDescriptor->BasePage + NewDescriptor->PageCount) ==
NextDescriptor->BasePage))
- {
- /* Enlarge next descriptor's PageCount */
- NewDescriptor->PageCount += NextDescriptor->PageCount;
- RemoveEntryList(&NextDescriptor->ListEntry);
- }
- }
-
- return;
-}
-
-VOID
-WinLdrSetProcessorContext(PVOID GdtIdt, IN ULONG Pcr, IN ULONG Tss)
-{
- GDTIDT GdtDesc, IdtDesc, OldIdt;
- PKGDTENTRY pGdt;
- PKIDTENTRY pIdt;
- ULONG Ldt = 0;
- //ULONG i;
-
- DPRINTM(DPRINT_WINDOWS, "GDtIdt %p, Pcr %p, Tss 0x%08X\n",
- GdtIdt, Pcr, Tss);
-
- // Kernel expects the PCR to be zero-filled on startup
- // FIXME: Why zero it here when we can zero it right after allocation?
- RtlZeroMemory((PVOID)Pcr, MM_PAGE_SIZE); //FIXME: Why zero only 1 page when we allocate
2?
-
- // Get old values of GDT and IDT
- Ke386GetGlobalDescriptorTable(&GdtDesc);
- __sidt(&IdtDesc);
-
- // Save old IDT
- OldIdt.Base = IdtDesc.Base;
- OldIdt.Limit = IdtDesc.Limit;
-
- // Prepare new IDT+GDT
- GdtDesc.Base = KSEG0_BASE | (ULONG_PTR)GdtIdt;
- GdtDesc.Limit = NUM_GDT * sizeof(KGDTENTRY) - 1;
- IdtDesc.Base = (ULONG)((PUCHAR)GdtDesc.Base + GdtDesc.Limit + 1);
- IdtDesc.Limit = NUM_IDT * sizeof(KIDTENTRY) - 1;
-
- // ========================
- // Fill all descriptors now
- // ========================
-
- pGdt = (PKGDTENTRY)GdtDesc.Base;
- pIdt = (PKIDTENTRY)IdtDesc.Base;
-
- //
- // Code selector (0x8)
- // Flat 4Gb
- //
- pGdt[1].LimitLow = 0xFFFF;
- pGdt[1].BaseLow = 0;
- pGdt[1].HighWord.Bytes.BaseMid = 0;
- pGdt[1].HighWord.Bytes.Flags1 = 0x9A;
- pGdt[1].HighWord.Bytes.Flags2 = 0xCF;
- pGdt[1].HighWord.Bytes.BaseHi = 0;
-
- //
- // Data selector (0x10)
- // Flat 4Gb
- //
- pGdt[2].LimitLow = 0xFFFF;
- pGdt[2].BaseLow = 0;
- pGdt[2].HighWord.Bytes.BaseMid = 0;
- pGdt[2].HighWord.Bytes.Flags1 = 0x92;
- pGdt[2].HighWord.Bytes.Flags2 = 0xCF;
- pGdt[2].HighWord.Bytes.BaseHi = 0;
-
- //
- // Selector (0x18)
- // Flat 2Gb
- //
- pGdt[3].LimitLow = 0xFFFF;
- pGdt[3].BaseLow = 0;
- pGdt[3].HighWord.Bytes.BaseMid = 0;
- pGdt[3].HighWord.Bytes.Flags1 = 0xFA;
- pGdt[3].HighWord.Bytes.Flags2 = 0xCF;
- pGdt[3].HighWord.Bytes.BaseHi = 0;
-
- //
- // Selector (0x20)
- // Flat 2Gb
- //
- pGdt[4].LimitLow = 0xFFFF;
- pGdt[4].BaseLow = 0;
- pGdt[4].HighWord.Bytes.BaseMid = 0;
- pGdt[4].HighWord.Bytes.Flags1 = 0xF2;
- pGdt[4].HighWord.Bytes.Flags2 = 0xCF;
- pGdt[4].HighWord.Bytes.BaseHi = 0;
-
- //
- // TSS Selector (0x28)
- //
- pGdt[5].LimitLow = 0x78-1; //FIXME: Check this
- pGdt[5].BaseLow = (USHORT)(Tss & 0xffff);
- pGdt[5].HighWord.Bytes.BaseMid = (UCHAR)((Tss >> 16) & 0xff);
- pGdt[5].HighWord.Bytes.Flags1 = 0x89;
- pGdt[5].HighWord.Bytes.Flags2 = 0x00;
- pGdt[5].HighWord.Bytes.BaseHi = (UCHAR)((Tss >> 24) & 0xff);
-
- //
- // PCR Selector (0x30)
- //
- pGdt[6].LimitLow = 0x01;
- pGdt[6].BaseLow = (USHORT)(Pcr & 0xffff);
- pGdt[6].HighWord.Bytes.BaseMid = (UCHAR)((Pcr >> 16) & 0xff);
- pGdt[6].HighWord.Bytes.Flags1 = 0x92;
- pGdt[6].HighWord.Bytes.Flags2 = 0xC0;
- pGdt[6].HighWord.Bytes.BaseHi = (UCHAR)((Pcr >> 24) & 0xff);
-
- //
- // Selector (0x38)
- //
- pGdt[7].LimitLow = 0xFFFF;
- pGdt[7].BaseLow = 0;
- pGdt[7].HighWord.Bytes.BaseMid = 0;
- pGdt[7].HighWord.Bytes.Flags1 = 0xF3;
- pGdt[7].HighWord.Bytes.Flags2 = 0x40;
- pGdt[7].HighWord.Bytes.BaseHi = 0;
-
- //
- // Some BIOS stuff (0x40)
- //
- pGdt[8].LimitLow = 0xFFFF;
- pGdt[8].BaseLow = 0x400;
- pGdt[8].HighWord.Bytes.BaseMid = 0;
- pGdt[8].HighWord.Bytes.Flags1 = 0xF2;
- pGdt[8].HighWord.Bytes.Flags2 = 0x0;
- pGdt[8].HighWord.Bytes.BaseHi = 0;
-
- //
- // Selector (0x48)
- //
- pGdt[9].LimitLow = 0;
- pGdt[9].BaseLow = 0;
- pGdt[9].HighWord.Bytes.BaseMid = 0;
- pGdt[9].HighWord.Bytes.Flags1 = 0;
- pGdt[9].HighWord.Bytes.Flags2 = 0;
- pGdt[9].HighWord.Bytes.BaseHi = 0;
-
- //
- // Selector (0x50)
- //
- pGdt[10].LimitLow = 0xFFFF; //FIXME: Not correct!
- pGdt[10].BaseLow = 0;
- pGdt[10].HighWord.Bytes.BaseMid = 0x2;
- pGdt[10].HighWord.Bytes.Flags1 = 0x89;
- pGdt[10].HighWord.Bytes.Flags2 = 0;
- pGdt[10].HighWord.Bytes.BaseHi = 0;
-
- //
- // Selector (0x58)
- //
- pGdt[11].LimitLow = 0xFFFF;
- pGdt[11].BaseLow = 0;
- pGdt[11].HighWord.Bytes.BaseMid = 0x2;
- pGdt[11].HighWord.Bytes.Flags1 = 0x9A;
- pGdt[11].HighWord.Bytes.Flags2 = 0;
- pGdt[11].HighWord.Bytes.BaseHi = 0;
-
- //
- // Selector (0x60)
- //
- pGdt[12].LimitLow = 0xFFFF;
- pGdt[12].BaseLow = 0; //FIXME: Maybe not correct, but noone cares
- pGdt[12].HighWord.Bytes.BaseMid = 0x2;
- pGdt[12].HighWord.Bytes.Flags1 = 0x92;
- pGdt[12].HighWord.Bytes.Flags2 = 0;
- pGdt[12].HighWord.Bytes.BaseHi = 0;
-
- //
- // Video buffer Selector (0x68)
- //
- pGdt[13].LimitLow = 0x3FFF;
- pGdt[13].BaseLow = 0x8000;
- pGdt[13].HighWord.Bytes.BaseMid = 0x0B;
- pGdt[13].HighWord.Bytes.Flags1 = 0x92;
- pGdt[13].HighWord.Bytes.Flags2 = 0;
- pGdt[13].HighWord.Bytes.BaseHi = 0;
-
- //
- // Points to GDT (0x70)
- //
- pGdt[14].LimitLow = NUM_GDT*sizeof(KGDTENTRY) - 1;
- pGdt[14].BaseLow = 0x7000;
- pGdt[14].HighWord.Bytes.BaseMid = 0xFF;
- pGdt[14].HighWord.Bytes.Flags1 = 0x92;
- pGdt[14].HighWord.Bytes.Flags2 = 0;
- pGdt[14].HighWord.Bytes.BaseHi = 0xFF;
-
- //
- // Some unused descriptors should go here
- //
-
- // Copy the old IDT
- RtlCopyMemory(pIdt, (PVOID)OldIdt.Base, OldIdt.Limit + 1);
-
- // Mask interrupts
- //asm("cli\n"); // they are already masked before enabling paged mode
-
- // Load GDT+IDT
- Ke386SetGlobalDescriptorTable(&GdtDesc);
- __lidt(&IdtDesc);
-
- // Jump to proper CS and clear prefetch queue
-#if defined(__GNUC__)
- asm("ljmp $0x08, $1f\n"
- "1:\n");
-#elif defined(_MSC_VER)
- /* We can't express the above in MASM so we use this far return instead */
- DbgPrint("WinLdrSetProcessorContext: Performing untested far-return\n");
- __asm {
- push 8
- push offset resume
- retf
- resume:
- };
-#else
-#error
-#endif
-
- // Set SS selector
- Ke386SetSs(0x10); // DataSelector=0x10
-
- // Set DS and ES selectors
- Ke386SetDs(0x10);
- Ke386SetEs(0x10); // this is vital for rep stosd
-
- // LDT = not used ever, thus set to 0
- Ke386SetLocalDescriptorTable(Ldt);
-
- // Load TSR
- Ke386SetTr(KGDT_TSS);
-
- // Clear GS
- Ke386SetGs(0);
-
- // Set FS to PCR
- Ke386SetFs(0x30);
-
- // Real end of the function, just for information
- /* do not uncomment!
- pop edi;
- pop esi;
- pop ebx;
- mov esp, ebp;
- pop ebp;
- ret
- */
-}