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- Dehaxx0r MmInitializeMemoryManager in freeldr.

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- Add slightly better bios memory map projection to the loader memory types, but this is still being investigated.
- Remove unneeded code.
- Change 'WINNT' to 'WINDOWS', but anyway this will be fixed later to get a real system path.

svn path=/trunk/; revision=32052
This commit is contained in:
Aleksey Bragin 2008-01-30 10:46:38 +00:00
parent 7550f93c9e
commit c9b8e73e23
2 changed files with 20 additions and 13 deletions
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27
reactos/boot/freeldr/freeldr/mm/meminit.c
View file

@ -97,7 +97,7 @@ BOOLEAN MmInitializeMemoryManager(VOID)
MmUpdateLastFreePageHint(PageLookupTableAddress, TotalPagesInLookupTable);
// Add machine-dependent stuff
// FIXME: this is only for i386
#ifdef __i386__
MmMarkPagesInLookupTable(PageLookupTableAddress, 0x00, 1, LoaderFirmwarePermanent); // realmode int vectors
MmMarkPagesInLookupTable(PageLookupTableAddress, 0x01, 7, LoaderFirmwareTemporary); // freeldr stack + cmdline
MmMarkPagesInLookupTable(PageLookupTableAddress, 0x08, 0x70, LoaderLoadedProgram); // freeldr image (roughly max. 0x64 pages)
@ -106,9 +106,7 @@ BOOLEAN MmInitializeMemoryManager(VOID)
MmMarkPagesInLookupTable(PageLookupTableAddress, 0x90, 0x10, LoaderOsloaderHeap); // Disk read buffer for int 13h. DISKREADBUFFER
MmMarkPagesInLookupTable(PageLookupTableAddress, 0xA0, 0x60, LoaderFirmwarePermanent); // ROM / Video
MmMarkPagesInLookupTable(PageLookupTableAddress, 0xFFF, 1, LoaderSpecialMemory); // unusable memory
// This one is strange, without it WinNT crashes with PHASE0_EXCEPTION
MmMarkPagesInLookupTable(PageLookupTableAddress, 0x59, 0x5, LoaderFirmwarePermanent);
#endif
FreePagesInLookupTable = MmCountFreePagesInLookupTable(PageLookupTableAddress, TotalPagesInLookupTable);
@ -305,16 +303,25 @@ VOID MmInitPageLookupTable(PVOID PageLookupTable, ULONG TotalPageCount, PBIOS_ME
MemoryMapStartPage = MmGetPageNumberFromAddress((PVOID)(ULONG)BiosMemoryMap[Index].BaseAddress);
MemoryMapEndPage = MmGetPageNumberFromAddress((PVOID)(ULONG)(BiosMemoryMap[Index].BaseAddress + BiosMemoryMap[Index].Length - 1));
MemoryMapPageCount = (MemoryMapEndPage - MemoryMapStartPage) + 1;
MemoryMapPageAllocated = (BiosMemoryMap[Index].Type == BiosMemoryUsable) ? LoaderFree : LoaderFirmwarePermanent;/*BiosMemoryMap[Index].Type*/;
switch (BiosMemoryMap[Index].Type)
{
case BiosMemoryUsable:
MemoryMapPageAllocated = LoaderFree;
break;
case BiosMemoryAcpiReclaim:
case BiosMemoryAcpiNvs:
MemoryMapPageAllocated = LoaderSpecialMemory;
break;
default:
MemoryMapPageAllocated = LoaderSpecialMemory;
}
DbgPrint((DPRINT_MEMORY, "Marking pages as type %d: StartPage: %d PageCount: %d\n", MemoryMapPageAllocated, MemoryMapStartPage, MemoryMapPageCount));
MmMarkPagesInLookupTable(PageLookupTable, MemoryMapStartPage, MemoryMapPageCount, MemoryMapPageAllocated);
}
// Mark the low memory region below 1MB as reserved (256 pages in region)
//FIXME: Not needed now since we mark low 1Mb with really used and free areas
//DbgPrint((DPRINT_MEMORY, "Marking the low 1MB region as reserved.\n"));
//MmMarkPagesInLookupTable(PageLookupTable, 0, 256, LoaderFirmwarePermanent);
// Mark the pages that the lookup table occupies as reserved
PageLookupTableStartPage = MmGetPageNumberFromAddress(PageLookupTable);
PageLookupTablePageCount = MmGetPageNumberFromAddress((PVOID)((ULONG_PTR)PageLookupTable + ROUND_UP(TotalPageCount * sizeof(PAGE_LOOKUP_TABLE_ITEM), MM_PAGE_SIZE))) - PageLookupTableStartPage;

6
reactos/boot/freeldr/freeldr/windows/winldr.c
View file

@ -458,13 +458,13 @@ LoadAndBootWindows(PCSTR OperatingSystemName, WORD OperatingSystemVersion)
/* Allocate data table entries for above-loaded modules */
WinLdrAllocateDataTableEntry(LoaderBlock, "ntoskrnl.exe",
"WINNT\\SYSTEM32\\NTOSKRNL.EXE", NtosBase, &KernelDTE);
"WINDOWS\\SYSTEM32\\NTOSKRNL.EXE", NtosBase, &KernelDTE);
WinLdrAllocateDataTableEntry(LoaderBlock, "hal.dll",
"WINNT\\SYSTEM32\\HAL.DLL", HalBase, &HalDTE);
"WINDOWS\\SYSTEM32\\HAL.DLL", HalBase, &HalDTE);
if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
{
WinLdrAllocateDataTableEntry(LoaderBlock, "kdcom.dll",
"WINNT\\SYSTEM32\\KDCOM.DLL", KdComBase, &KdComDTE);
"WINDOWS\\SYSTEM32\\KDCOM.DLL", KdComBase, &KdComDTE);
}
/* Load all referenced DLLs for kernel, HAL and kdcom.dll */