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/f... ============================================================================== --- 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/f... ============================================================================== --- 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/f... ============================================================================== --- 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@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/f... ============================================================================== --- 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@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/f... ============================================================================== --- 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@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 - */ -}