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- Create a memory area for the kpcr.

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- Fixed the end address for unmapping unused address space behind the kernel.
- Free some unmapped pages.
- Initialized the pageop and rmap implementation earlier in the startup process.

svn path=/trunk/; revision=6664
This commit is contained in:
Hartmut Birr 2003-11-16 15:19:28 +00:00
parent 6dbdc4ff63
commit 29e31c6fb0
1 changed files with 28 additions and 20 deletions
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48
reactos/ntoskrnl/mm/mminit.c
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@ -1,4 +1,4 @@
/* $Id: mminit.c,v 1.55 2003/10/12 17:05:48 hbirr Exp $
/* $Id: mminit.c,v 1.56 2003/11/16 15:19:28 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top directory
* PROJECT: ReactOS kernel
@ -47,6 +47,7 @@ extern unsigned int _bss_end__;
static MEMORY_AREA* kernel_text_desc = NULL;
static MEMORY_AREA* kernel_init_desc = NULL;
static MEMORY_AREA* kernel_map_desc = NULL;
static MEMORY_AREA* kernel_kpcr_desc = NULL;
static MEMORY_AREA* kernel_data_desc = NULL;
static MEMORY_AREA* kernel_param_desc = NULL;
static MEMORY_AREA* kernel_pool_desc = NULL;
@ -133,6 +134,16 @@ MmInitVirtualMemory(ULONG LastKernelAddress,
FALSE,
FALSE);
BaseAddress = (PVOID)KPCR_BASE;
MmCreateMemoryArea(NULL,
MmGetKernelAddressSpace(),
MEMORY_AREA_SYSTEM,
&BaseAddress,
PAGE_SIZE * MAXIMUM_PROCESSORS,
0,
&kernel_kpcr_desc,
FALSE,
FALSE);
BaseAddress = (PVOID)KERNEL_BASE;
Length = PAGE_ROUND_UP(((ULONG)&_text_end__)) - KERNEL_BASE;
ParamLength = ParamLength - Length;
@ -375,17 +386,16 @@ MmInit1(ULONG FirstKrnlPhysAddr,
MmStats.NrTotalPages += 256;
}
#ifdef BIOS_MEM_FIX
MmStats.NrTotalPages += 16;
MmStats.NrTotalPages += 16;
#endif
DbgPrint("Used memory %dKb\n", (MmStats.NrTotalPages * PAGE_SIZE) / 1024);
LastKernelAddress = (ULONG)MmInitializePageList(
(PVOID)FirstKrnlPhysAddr,
(PVOID)LastKrnlPhysAddr,
MmStats.NrTotalPages,
PAGE_ROUND_UP(LastKernelAddress),
BIOSMemoryMap,
AddressRangeCount);
LastKernelAddress = (ULONG)MmInitializePageList((PVOID)FirstKrnlPhysAddr,
(PVOID)LastKrnlPhysAddr,
MmStats.NrTotalPages,
PAGE_ROUND_UP(LastKernelAddress),
BIOSMemoryMap,
AddressRangeCount);
kernel_len = LastKrnlPhysAddr - FirstKrnlPhysAddr;
/*
@ -400,23 +410,21 @@ MmInit1(ULONG FirstKrnlPhysAddr,
MmSetPageProtect(NULL,
(PVOID)i,
PAGE_EXECUTE_READ);
}
}
DPRINT("Invalidating between %x and %x\n",
LastKernelAddress,
KERNEL_BASE + 2 * PAGE_TABLE_SIZE);
for (i=(LastKernelAddress);
i<(KERNEL_BASE + 2 * PAGE_TABLE_SIZE);
i=i+PAGE_SIZE)
0xc0600000);
for (i=(LastKernelAddress); i<0xc0600000; i+=PAGE_SIZE)
{
MmRawDeleteVirtualMapping((PVOID)(i));
}
DPRINT("Almost done MmInit()\n");
#ifndef MP
/* FIXME: This is broken in SMP mode */
MmDeleteVirtualMapping(NULL, (PVOID)&unmap_me, FALSE, NULL, NULL);
MmDeleteVirtualMapping(NULL, (PVOID)&unmap_me2, FALSE, NULL, NULL);
MmDeleteVirtualMapping(NULL, (PVOID)&unmap_me3, FALSE, NULL, NULL);
MmDeleteVirtualMapping(NULL, (PVOID)&unmap_me, TRUE, NULL, NULL);
MmDeleteVirtualMapping(NULL, (PVOID)&unmap_me2, TRUE, NULL, NULL);
MmDeleteVirtualMapping(NULL, (PVOID)&unmap_me3, TRUE, NULL, NULL);
#endif
/*
* Intialize memory areas
@ -429,6 +437,8 @@ MmInit1(ULONG FirstKrnlPhysAddr,
VOID INIT_FUNCTION
MmInit2(VOID)
{
MmInitializeRmapList();
MmInitializePageOp();
MmInitSectionImplementation();
MmInitPagingFile();
}
@ -445,10 +455,8 @@ MmInit3(VOID)
MmDeletePageTable(NULL, 0);
#endif
MmInitZeroPageThread();
MmInitPagerThread();
MmCreatePhysicalMemorySection();
MmInitializeRmapList();
MmInitializePageOp();
MiInitBalancerThread();
/*
* Initialise the modified page writer.