Author: ros-arm-bringup Date: Wed Jul 15 19:55:13 2009 New Revision: 41980
URL: http://svn.reactos.org/svn/reactos?rev=41980&view=rev Log: - Move ARM3's init.c to i386-specific directory.
Added: trunk/reactos/ntoskrnl/mm/ARM3/i386/init.c - copied, changed from r41932, trunk/reactos/ntoskrnl/mm/ARM3/init.c Removed: trunk/reactos/ntoskrnl/mm/ARM3/init.c Modified: trunk/reactos/ntoskrnl/ntoskrnl-generic.rbuild
Copied: trunk/reactos/ntoskrnl/mm/ARM3/i386/init.c (from r41932, trunk/reactos/ntoskrnl/mm/ARM3/init.c) URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/i386/init.... ============================================================================== --- trunk/reactos/ntoskrnl/mm/ARM3/init.c [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/mm/ARM3/i386/init.c [iso-8859-1] Wed Jul 15 19:55:13 2009 @@ -14,7 +14,7 @@
#line 15 "ARM³::INIT" #define MODULE_INVOLVED_IN_ARM3 -#include "../ARM3/miarm.h" +#include "../../ARM3/miarm.h"
/* GLOBALS ********************************************************************/
@@ -138,7 +138,7 @@ // This both odious and heinous // extern ULONG MmGlobalKernelPageDirectory[1024]; - MmGlobalKernelPageDirectory[Pde] = ((PULONG)PAGEDIRECTORY_MAP)[Pde]; + MmGlobalKernelPageDirectory[Pde] = ((PULONG)PDE_BASE)[Pde]; Pde++; } } @@ -302,7 +302,7 @@ // // Set CR3 for the system process // - PointerPte = MiAddressToPde(PAGETABLE_MAP); + PointerPte = MiAddressToPde(PTE_BASE); PageFrameIndex = PFN_FROM_PTE(PointerPte) << PAGE_SHIFT; PsGetCurrentProcess()->Pcb.DirectoryTableBase[0] = PageFrameIndex;
Removed: trunk/reactos/ntoskrnl/mm/ARM3/init.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/init.c?rev... ============================================================================== --- trunk/reactos/ntoskrnl/mm/ARM3/init.c [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/mm/ARM3/init.c (removed) @@ -1,776 +1,0 @@ -/* - * PROJECT: ReactOS Kernel - * LICENSE: BSD - See COPYING.ARM in the top level directory - * FILE: ntoskrnl/mm/ARM3/init.c - * PURPOSE: ARM Memory Manager Initialization - * PROGRAMMERS: ReactOS Portable Systems Group - */ - -/* INCLUDES *******************************************************************/ - -#include <ntoskrnl.h> -#define NDEBUG -#include <debug.h> - -#line 15 "ARM³::INIT" -#define MODULE_INVOLVED_IN_ARM3 -#include "../ARM3/miarm.h" - -/* GLOBALS ********************************************************************/ - -// -// These are all registry-configurable, but by default, the memory manager will -// figure out the most appropriate values. -// -ULONG MmMaximumNonPagedPoolPercent; -ULONG MmSizeOfNonPagedPoolInBytes; -ULONG MmMaximumNonPagedPoolInBytes; - -// -// These numbers describe the discrete equation components of the nonpaged -// pool sizing algorithm. -// -// They are described on http://support.microsoft.com/default.aspx/kb/126402/ja -// along with the algorithm that uses them, which is implemented later below. -// -ULONG MmMinimumNonPagedPoolSize = 256 * 1024; -ULONG MmMinAdditionNonPagedPoolPerMb = 32 * 1024; -ULONG MmDefaultMaximumNonPagedPool = 1024 * 1024; -ULONG MmMaxAdditionNonPagedPoolPerMb = 400 * 1024; - -// -// The memory layout (and especially variable names) of the NT kernel mode -// components can be a bit hard to twig, especially when it comes to the non -// paged area. -// -// There are really two components to the non-paged pool: -// -// - The initial nonpaged pool, sized dynamically up to a maximum. -// - The expansion nonpaged pool, sized dynamically up to a maximum. -// -// The initial nonpaged pool is physically continuous for performance, and -// immediately follows the PFN database, typically sharing the same PDE. It is -// a very small resource (32MB on a 1GB system), and capped at 128MB. -// -// Right now, we call this the "ARM Pool" and it begins somewhere after the ARM -// PFN database (which starts at 0xB0000000). -// -// The expansion nonpaged pool, on the other hand, can grow much bigger (400MB -// for a 1GB system). On ARM³ however, it is currently capped at 128MB. -// -// The address where the initial nonpaged pool starts is aptly named -// MmNonPagedPoolStart, and it describes a range of MmSizeOfNonPagedPoolInBytes -// bytes. -// -// Expansion nonpaged pool starts at an address described by the variable called -// MmNonPagedPoolExpansionStart, and it goes on for MmMaximumNonPagedPoolInBytes -// minus MmSizeOfNonPagedPoolInBytes bytes, always reaching MmNonPagedPoolEnd -// (because of the way it's calculated) at 0xFFBE0000. -// -// Initial nonpaged pool is allocated and mapped early-on during boot, but what -// about the expansion nonpaged pool? It is instead composed of special pages -// which belong to what are called System PTEs. These PTEs are the matter of a -// later discussion, but they are also considered part of the "nonpaged" OS, due -// to the fact that they are never paged out -- once an address is described by -// a System PTE, it is always valid, until the System PTE is torn down. -// -// System PTEs are actually composed of two "spaces", the system space proper, -// and the nonpaged pool expansion space. The latter, as we've already seen, -// begins at MmNonPagedPoolExpansionStart. Based on the number of System PTEs -// that the system will support, the remaining address space below this address -// is used to hold the system space PTEs. This address, in turn, is held in the -// variable named MmNonPagedSystemStart, which itself is never allowed to go -// below 0xEB000000 (thus creating an upper bound on the number of System PTEs). -// -// This means that 330MB are reserved for total nonpaged system VA, on top of -// whatever the initial nonpaged pool allocation is. -// -// The following URLs, valid as of April 23rd, 2008, support this evidence: -// -// http://www.cs.miami.edu/~burt/journal/NT/memory.html -// http://www.ditii.com/2007/09/28/windows-memory-management-x86-virtual-addres... -// -PVOID MmNonPagedSystemStart; -PVOID MmNonPagedPoolStart; -PVOID MmNonPagedPoolExpansionStart; -PVOID MmNonPagedPoolEnd = (PVOID)0xFFBE0000; - -// -// Windows NT seems to choose between 7000, 11000 and 50000 -// On systems with more than 32MB, this number is then doubled, and further -// aligned up to a PDE boundary (4MB). -// -ULONG MmNumberOfSystemPtes; - -// -// This is how many pages the PFN database will take up -// In Windows, this includes the Quark Color Table, but not in ARM³ -// -ULONG MxPfnAllocation; - -// -// The ARM³ PFN Database -// -PMMPFN MmArmPfnDatabase; - -// -// This structure describes the different pieces of RAM-backed address space -// -PPHYSICAL_MEMORY_DESCRIPTOR MmPhysicalMemoryBlock; - -/* PRIVATE FUNCTIONS **********************************************************/ - -// -// In Bavaria, this is probably a hate crime -// -VOID -FASTCALL -MiSyncARM3WithROS(IN PVOID AddressStart, - IN PVOID AddressEnd) -{ - // - // Puerile piece of junk-grade carbonized horseshit puss sold to the lowest bidder - // - ULONG Pde = ADDR_TO_PDE_OFFSET(AddressStart); - while (Pde <= ADDR_TO_PDE_OFFSET(AddressEnd)) - { - // - // This both odious and heinous - // - extern ULONG MmGlobalKernelPageDirectory[1024]; - MmGlobalKernelPageDirectory[Pde] = ((PULONG)PAGEDIRECTORY_MAP)[Pde]; - Pde++; - } -} - -PPHYSICAL_MEMORY_DESCRIPTOR -NTAPI -MmInitializeMemoryLimits(IN PLOADER_PARAMETER_BLOCK LoaderBlock, - IN PBOOLEAN IncludeType) -{ - PLIST_ENTRY NextEntry; - ULONG Run = 0, InitialRuns = 0; - PFN_NUMBER NextPage = -1, PageCount = 0; - PPHYSICAL_MEMORY_DESCRIPTOR Buffer, NewBuffer; - PMEMORY_ALLOCATION_DESCRIPTOR MdBlock; - - // - // Scan the memory descriptors - // - NextEntry = LoaderBlock->MemoryDescriptorListHead.Flink; - while (NextEntry != &LoaderBlock->MemoryDescriptorListHead) - { - // - // For each one, increase the memory allocation estimate - // - InitialRuns++; - NextEntry = NextEntry->Flink; - } - - // - // Allocate the maximum we'll ever need - // - Buffer = ExAllocatePoolWithTag(NonPagedPool, - sizeof(PHYSICAL_MEMORY_DESCRIPTOR) + - sizeof(PHYSICAL_MEMORY_RUN) * - (InitialRuns - 1), - 'lMmM'); - if (!Buffer) return NULL; - - // - // For now that's how many runs we have - // - Buffer->NumberOfRuns = InitialRuns; - - // - // Now loop through the descriptors again - // - NextEntry = LoaderBlock->MemoryDescriptorListHead.Flink; - while (NextEntry != &LoaderBlock->MemoryDescriptorListHead) - { - // - // Grab each one, and check if it's one we should include - // - MdBlock = CONTAINING_RECORD(NextEntry, - MEMORY_ALLOCATION_DESCRIPTOR, - ListEntry); - if ((MdBlock->MemoryType < LoaderMaximum) && - (IncludeType[MdBlock->MemoryType])) - { - // - // Add this to our running total - // - PageCount += MdBlock->PageCount; - - // - // Check if the next page is described by the next descriptor - // - if (MdBlock->BasePage == NextPage) - { - // - // Combine it into the same physical run - // - ASSERT(MdBlock->PageCount != 0); - Buffer->Run[Run - 1].PageCount += MdBlock->PageCount; - NextPage += MdBlock->PageCount; - } - else - { - // - // Otherwise just duplicate the descriptor's contents - // - Buffer->Run[Run].BasePage = MdBlock->BasePage; - Buffer->Run[Run].PageCount = MdBlock->PageCount; - NextPage = Buffer->Run[Run].BasePage + Buffer->Run[Run].PageCount; - - // - // And in this case, increase the number of runs - // - Run++; - } - } - - // - // Try the next descriptor - // - NextEntry = MdBlock->ListEntry.Flink; - } - - // - // We should not have been able to go past our initial estimate - // - ASSERT(Run <= Buffer->NumberOfRuns); - - // - // Our guess was probably exaggerated... - // - if (InitialRuns > Run) - { - // - // Allocate a more accurately sized buffer - // - NewBuffer = ExAllocatePoolWithTag(NonPagedPool, - sizeof(PHYSICAL_MEMORY_DESCRIPTOR) + - sizeof(PHYSICAL_MEMORY_RUN) * - (Run - 1), - 'lMmM'); - if (NewBuffer) - { - // - // Copy the old buffer into the new, then free it - // - RtlCopyMemory(NewBuffer->Run, - Buffer->Run, - sizeof(PHYSICAL_MEMORY_RUN) * Run); - ExFreePool(Buffer); - - // - // Now use the new buffer - // - Buffer = NewBuffer; - } - } - - // - // Write the final numbers, and return it - // - Buffer->NumberOfRuns = Run; - Buffer->NumberOfPages = PageCount; - return Buffer; -} - -NTSTATUS -NTAPI -MmArmInitSystem(IN ULONG Phase, - IN PLOADER_PARAMETER_BLOCK LoaderBlock) -{ - PMEMORY_AREA MArea; - PHYSICAL_ADDRESS BoundaryAddressMultiple, Low, High; - PFN_NUMBER PageFrameIndex; - PMMPTE StartPde, EndPde, PointerPte, LastPte; - MMPTE TempPde = HyperTemplatePte, TempPte = HyperTemplatePte; - PVOID NonPagedPoolExpansionVa, BaseAddress; - NTSTATUS Status; - ULONG OldCount; - BOOLEAN IncludeType[LoaderMaximum]; - ULONG i; - BoundaryAddressMultiple.QuadPart = Low.QuadPart = 0; - High.QuadPart = -1; - - if (Phase == 0) - { - // - // Set CR3 for the system process - // - PointerPte = MiAddressToPde(PAGETABLE_MAP); - PageFrameIndex = PFN_FROM_PTE(PointerPte) << PAGE_SHIFT; - PsGetCurrentProcess()->Pcb.DirectoryTableBase[0] = PageFrameIndex; - - // - // Blow away user-mode - // - StartPde = MiAddressToPde(0); - EndPde = MiAddressToPde(KSEG0_BASE); - RtlZeroMemory(StartPde, (EndPde - StartPde) * sizeof(MMPTE)); - - // - // Check if this is a machine with less than 19MB of RAM - // - if (MmNumberOfPhysicalPages < MI_MIN_PAGES_FOR_SYSPTE_TUNING) - { - // - // Use the very minimum of system PTEs - // - MmNumberOfSystemPtes = 7000; - } - else - { - // - // Use the default, but check if we have more than 32MB of RAM - // - MmNumberOfSystemPtes = 11000; - if (MmNumberOfPhysicalPages > MI_MIN_PAGES_FOR_SYSPTE_BOOST) - { - // - // Double the amount of system PTEs - // - MmNumberOfSystemPtes <<= 1; - } - } - - DPRINT("System PTE count has been tuned to %d (%d bytes)\n", - MmNumberOfSystemPtes, MmNumberOfSystemPtes * PAGE_SIZE); - - // - // Check if this is a machine with less than 256MB of RAM, and no overide - // - if ((MmNumberOfPhysicalPages <= MI_MIN_PAGES_FOR_NONPAGED_POOL_TUNING) && - !(MmSizeOfNonPagedPoolInBytes)) - { - // - // Force the non paged pool to be 2MB so we can reduce RAM usage - // - MmSizeOfNonPagedPoolInBytes = 2 * 1024 * 1024; - } - - // - // Check if the user gave a ridicuously large nonpaged pool RAM size - // - if ((MmSizeOfNonPagedPoolInBytes >> PAGE_SHIFT) > - (MmNumberOfPhysicalPages * 7 / 8)) - { - // - // More than 7/8ths of RAM was dedicated to nonpaged pool, ignore! - // - MmSizeOfNonPagedPoolInBytes = 0; - } - - // - // Check if no registry setting was set, or if the setting was too low - // - if (MmSizeOfNonPagedPoolInBytes < MmMinimumNonPagedPoolSize) - { - // - // Start with the minimum (256 KB) and add 32 KB for each MB above 4 - // - MmSizeOfNonPagedPoolInBytes = MmMinimumNonPagedPoolSize; - MmSizeOfNonPagedPoolInBytes += (MmNumberOfPhysicalPages - 1024) / - 256 * MmMinAdditionNonPagedPoolPerMb; - } - - // - // Check if the registy setting or our dynamic calculation was too high - // - if (MmSizeOfNonPagedPoolInBytes > MI_MAX_INIT_NONPAGED_POOL_SIZE) - { - // - // Set it to the maximum - // - MmSizeOfNonPagedPoolInBytes = MI_MAX_INIT_NONPAGED_POOL_SIZE; - } - - // - // Check if a percentage cap was set through the registry - // - if (MmMaximumNonPagedPoolPercent) - { - // - // Don't feel like supporting this right now - // - UNIMPLEMENTED; - } - - // - // Page-align the nonpaged pool size - // - MmSizeOfNonPagedPoolInBytes &= ~(PAGE_SIZE - 1); - - // - // Now, check if there was a registry size for the maximum size - // - if (!MmMaximumNonPagedPoolInBytes) - { - // - // Start with the default (1MB) and add 400 KB for each MB above 4 - // - MmMaximumNonPagedPoolInBytes = MmDefaultMaximumNonPagedPool; - MmMaximumNonPagedPoolInBytes += (MmNumberOfPhysicalPages - 1024) / - 256 * MmMaxAdditionNonPagedPoolPerMb; - } - - // - // Don't let the maximum go too high - // - if (MmMaximumNonPagedPoolInBytes > MI_MAX_NONPAGED_POOL_SIZE) - { - // - // Set it to the upper limit - // - MmMaximumNonPagedPoolInBytes = MI_MAX_NONPAGED_POOL_SIZE; - } - - // - // Calculate the number of bytes, and then convert to pages - // - MxPfnAllocation = (MmHighestPhysicalPage + 1) * sizeof(MMPFN); - MxPfnAllocation >>= PAGE_SHIFT; - - // - // Now calculate the nonpaged pool expansion VA region - // - MmNonPagedPoolStart = (PVOID)((ULONG_PTR)MmNonPagedPoolEnd - - MmMaximumNonPagedPoolInBytes + - MmSizeOfNonPagedPoolInBytes); - MmNonPagedPoolStart = (PVOID)PAGE_ALIGN(MmNonPagedPoolStart); - NonPagedPoolExpansionVa = MmNonPagedPoolStart; - DPRINT("NP Pool has been tuned to: %d bytes and %d bytes\n", - MmSizeOfNonPagedPoolInBytes, MmMaximumNonPagedPoolInBytes); - - // - // Now calculate the nonpaged system VA region, which includes the - // nonpaged pool expansion (above) and the system PTEs. Note that it is - // then aligned to a PDE boundary (4MB). - // - MmNonPagedSystemStart = (PVOID)((ULONG_PTR)MmNonPagedPoolStart - - (MmNumberOfSystemPtes + 1) * PAGE_SIZE); - MmNonPagedSystemStart = (PVOID)((ULONG_PTR)MmNonPagedSystemStart & - ~((4 * 1024 * 1024) - 1)); - - // - // Don't let it go below the minimum - // - if (MmNonPagedSystemStart < (PVOID)0xEB000000) - { - // - // This is a hard-coded limit in the Windows NT address space - // - MmNonPagedSystemStart = (PVOID)0xEB000000; - - // - // Reduce the amount of system PTEs to reach this point - // - MmNumberOfSystemPtes = ((ULONG_PTR)MmNonPagedPoolStart - - (ULONG_PTR)MmNonPagedSystemStart) >> - PAGE_SHIFT; - MmNumberOfSystemPtes--; - ASSERT(MmNumberOfSystemPtes > 1000); - } - - // - // Normally, the PFN database should start after the loader images. - // This is already the case in ReactOS, but for now we want to co-exist - // with the old memory manager, so we'll create a "Shadow PFN Database" - // instead, and arbitrarly start it at 0xB0000000. - // - MmArmPfnDatabase = (PVOID)0xB0000000; - ASSERT(((ULONG_PTR)MmArmPfnDatabase & ((4 * 1024 * 1024) - 1)) == 0); - - // - // Non paged pool comes after the PFN database - // - MmNonPagedPoolStart = (PVOID)((ULONG_PTR)MmArmPfnDatabase + - (MxPfnAllocation << PAGE_SHIFT)); - - // - // Now we actually need to get these many physical pages. Nonpaged pool - // is actually also physically contiguous (but not the expansion) - // - PageFrameIndex = MmGetContinuousPages(MmSizeOfNonPagedPoolInBytes + - (MxPfnAllocation << PAGE_SHIFT), - Low, - High, - BoundaryAddressMultiple, - FALSE); - ASSERT(PageFrameIndex != 0); - DPRINT1(" 0x%p - 0x%p\t%s\n", - MmArmPfnDatabase, - (ULONG_PTR)MmArmPfnDatabase + (MxPfnAllocation << PAGE_SHIFT), - "Shadow PFN Database"); - DPRINT("PFN DB PA PFN begins at: %lx\n", PageFrameIndex); - DPRINT1(" 0x%p - 0x%p\t%s\n", - MmNonPagedPoolStart, - (ULONG_PTR)MmNonPagedPoolStart + MmSizeOfNonPagedPoolInBytes, - "ARM Non Paged Pool"); - DPRINT("NP PA PFN begins at: %lx\n", PageFrameIndex + MxPfnAllocation); - - // - // Now we need some pages to create the page tables for the NP system VA - // which includes system PTEs and expansion NP - // - StartPde = MiAddressToPde(MmNonPagedSystemStart); - EndPde = MiAddressToPde((PVOID)((ULONG_PTR)MmNonPagedPoolEnd - 1)); - while (StartPde <= EndPde) - { - // - // Sanity check - // - ASSERT(StartPde->u.Hard.Valid == 0); - - // - // Get a page - // - TempPde.u.Hard.PageFrameNumber = MmAllocPage(MC_SYSTEM, 0); - ASSERT(TempPde.u.Hard.Valid == 1); - *StartPde = TempPde; - - // - // Zero out the page table - // - PointerPte = MiPteToAddress(StartPde); - RtlZeroMemory(PointerPte, PAGE_SIZE); - - // - // Next - // - StartPde++; - } - - // - // Now we need pages for the page tables which will map initial NP - // - StartPde = MiAddressToPde(MmArmPfnDatabase); - EndPde = MiAddressToPde((PVOID)((ULONG_PTR)MmNonPagedPoolStart + - MmSizeOfNonPagedPoolInBytes - 1)); - while (StartPde <= EndPde) - { - // - // Sanity check - // - ASSERT(StartPde->u.Hard.Valid == 0); - - // - // Get a page - // - TempPde.u.Hard.PageFrameNumber = MmAllocPage(MC_SYSTEM, 0); - ASSERT(TempPde.u.Hard.Valid == 1); - *StartPde = TempPde; - - // - // Zero out the page table - // - PointerPte = MiPteToAddress(StartPde); - RtlZeroMemory(PointerPte, PAGE_SIZE); - - // - // Next - // - StartPde++; - } - - // - // Now remember where the expansion starts - // - MmNonPagedPoolExpansionStart = NonPagedPoolExpansionVa; - DPRINT1(" 0x%p - 0x%p\t%s\n", - MmNonPagedSystemStart, MmNonPagedPoolExpansionStart, - "System PTE Space"); - DPRINT1(" 0x%p - 0x%p\t%s\n", - MmNonPagedPoolExpansionStart, MmNonPagedPoolEnd, - "Non Paged Pool Expansion PTE Space"); - - // - // Last step is to actually map the nonpaged pool - // - PointerPte = MiAddressToPte(MmNonPagedPoolStart); - LastPte = MiAddressToPte((PVOID)((ULONG_PTR)MmNonPagedPoolStart + - MmSizeOfNonPagedPoolInBytes - 1)); - while (PointerPte <= LastPte) - { - // - // Use one of our contigous pages - // - TempPte.u.Hard.PageFrameNumber = PageFrameIndex++; - ASSERT(PointerPte->u.Hard.Valid == 0); - ASSERT(TempPte.u.Hard.Valid == 1); - *PointerPte++ = TempPte; - } - - // - // ReactOS requires a memory area to keep the initial NP area off-bounds - // - BaseAddress = MmNonPagedPoolStart; - Status = MmCreateMemoryArea(MmGetKernelAddressSpace(), - MEMORY_AREA_SYSTEM | MEMORY_AREA_STATIC, - &BaseAddress, - MmSizeOfNonPagedPoolInBytes, - PAGE_READWRITE, - &MArea, - TRUE, - 0, - BoundaryAddressMultiple); - ASSERT(Status == STATUS_SUCCESS); - - // - // And we need one more for the system NP - // - BaseAddress = MmNonPagedSystemStart; - Status = MmCreateMemoryArea(MmGetKernelAddressSpace(), - MEMORY_AREA_SYSTEM | MEMORY_AREA_STATIC, - &BaseAddress, - (ULONG_PTR)MmNonPagedPoolEnd - - (ULONG_PTR)MmNonPagedSystemStart, - PAGE_READWRITE, - &MArea, - TRUE, - 0, - BoundaryAddressMultiple); - ASSERT(Status == STATUS_SUCCESS); - - // - // Sanity check: make sure we have properly defined the system PTE space - // - ASSERT(MiAddressToPte(MmNonPagedSystemStart) < - MiAddressToPte(MmNonPagedPoolExpansionStart)); - - // - // Now go ahead and initialize the ARM pool - // - MiInitializeArmPool(); - - // - // We PDE-aligned the nonpaged system start VA, so haul some extra PTEs! - // - PointerPte = MiAddressToPte(MmNonPagedSystemStart); - OldCount = MmNumberOfSystemPtes; - MmNumberOfSystemPtes = MiAddressToPte(MmNonPagedPoolExpansionStart) - - PointerPte; - MmNumberOfSystemPtes--; - DPRINT("Final System PTE count: %d (%d bytes)\n", - MmNumberOfSystemPtes, MmNumberOfSystemPtes * PAGE_SIZE); - - // - // Create the system PTE space - // - MiInitializeSystemPtes(PointerPte, MmNumberOfSystemPtes, SystemPteSpace); - - // - // Get the PDE For hyperspace - // - StartPde = MiAddressToPde(HYPER_SPACE); - - // - // Allocate a page for it and create it - // - PageFrameIndex = MmAllocPage(MC_SYSTEM, 0); - TempPde.u.Hard.PageFrameNumber = PageFrameIndex; - TempPde.u.Hard.Global = FALSE; // Hyperspace is local! - ASSERT(StartPde->u.Hard.Valid == 0); - ASSERT(TempPde.u.Hard.Valid == 1); - *StartPde = TempPde; - - // - // Zero out the page table now - // - PointerPte = MiAddressToPte(HYPER_SPACE); - RtlZeroMemory(PointerPte, PAGE_SIZE); - - // - // Setup the mapping PTEs - // - MmFirstReservedMappingPte = MiAddressToPte(MI_MAPPING_RANGE_START); - MmLastReservedMappingPte = MiAddressToPte(MI_MAPPING_RANGE_END); - MmFirstReservedMappingPte->u.Hard.PageFrameNumber = MI_HYPERSPACE_PTES; - - // - // Reserve system PTEs for zeroing PTEs and clear them - // - MiFirstReservedZeroingPte = MiReserveSystemPtes(MI_ZERO_PTES, - SystemPteSpace); - RtlZeroMemory(MiFirstReservedZeroingPte, MI_ZERO_PTES * sizeof(MMPTE)); - - // - // Set the counter to maximum to boot with - // - MiFirstReservedZeroingPte->u.Hard.PageFrameNumber = MI_ZERO_PTES - 1; - - // - // Sync us up with ReactOS Mm - // - MiSyncARM3WithROS(MmNonPagedSystemStart, (PVOID)((ULONG_PTR)MmNonPagedPoolEnd - 1)); - MiSyncARM3WithROS(MmArmPfnDatabase, (PVOID)((ULONG_PTR)MmNonPagedPoolStart + MmSizeOfNonPagedPoolInBytes - 1)); - MiSyncARM3WithROS((PVOID)HYPER_SPACE, (PVOID)(HYPER_SPACE + PAGE_SIZE - 1)); - - // - // Initialize the nonpaged pool - // - InitializePool(NonPagedPool, 0); - - // - // Do a little test of the nonpaged pool allocator - // - if (0) - { - ULONG i = 0; - PVOID Buffers[4096]; - while (TRUE) - { - Buffers[i] = MiAllocatePoolPages(NonPagedPool, PAGE_SIZE); - if (!Buffers[i]) break; - if (i == 4096) break; - i++; - } - - while (i--) - { - MiFreePoolPages(Buffers[i]); - } - } - } - else - { - // - // Instantiate memory that we don't consider RAM/usable - // We use the same exclusions that Windows does, in order to try to be - // compatible with WinLDR-style booting - // - for (i = 0; i < LoaderMaximum; i++) IncludeType[i] = TRUE; - IncludeType[LoaderBad] = FALSE; - IncludeType[LoaderFirmwarePermanent] = FALSE; - IncludeType[LoaderSpecialMemory] = FALSE; - IncludeType[LoaderBBTMemory] = FALSE; - - // - // Build the physical memory block - // - MmPhysicalMemoryBlock = MmInitializeMemoryLimits(LoaderBlock, - IncludeType); - for (i = 0; i < MmPhysicalMemoryBlock->NumberOfRuns; i++) - { - // - // Dump it for debugging - // - PPHYSICAL_MEMORY_RUN Run; - Run = &MmPhysicalMemoryBlock->Run[i]; - DPRINT("PHYSICAL RAM [0x%08p to 0x%08p]\n", - Run->BasePage << PAGE_SHIFT, - (Run->BasePage + Run->PageCount) << PAGE_SHIFT); - } - } - - // - // Always return success for now - // - return STATUS_SUCCESS; -} - -/* EOF */
Modified: trunk/reactos/ntoskrnl/ntoskrnl-generic.rbuild URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ntoskrnl-generic.r... ============================================================================== --- trunk/reactos/ntoskrnl/ntoskrnl-generic.rbuild [iso-8859-1] (original) +++ trunk/reactos/ntoskrnl/ntoskrnl-generic.rbuild [iso-8859-1] Wed Jul 15 19:55:13 2009 @@ -360,12 +360,21 @@ </directory> </if> <directory name="ARM3"> + <if property="ARCH" value="i386"> + <directory name="i386"> + <file>init.c</file> + </directory> + </if> + <if property="ARCH" value="arm"> + <directory name="arm"> + <file>init.c</file> + </directory> + </if> <file>contmem.c</file> <file>drvmgmt.c</file> <file>dynamic.c</file> <file>expool.c</file> <file>hypermap.c</file> - <file>init.c</file> <file>iosup.c</file> <file>mdlsup.c</file> <file>ncache.c</file>
-
ros-arm-bringup＠svn.reactos.org