Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-28 01:55:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

More cygwin fixes

Browse source 
svn path=/trunk/; revision=2470
This commit is contained in:
David Welch 2002-01-01 05:09:50 +00:00
parent 3273c93173
commit 6ade027031
3 changed files with 71 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
reactos/ntoskrnl/include/internal/pool.h
View file

@ -23,6 +23,6 @@ extern ULONG MmPagedPoolSize;
/*
* Maximum size of the kmalloc area (this is totally arbitary)
*/
#define NONPAGED_POOL_SIZE (4*1024*1024)
#define NONPAGED_POOL_SIZE (400*1024*1024)
#endif /* __INTERNAL_POOL_H */

5
reactos/ntoskrnl/mm/npool.c
View file

@ -1,4 +1,4 @@
/* $Id: npool.c,v 1.54 2002/01/01 00:21:56 dwelch Exp $
/* $Id: npool.c,v 1.55 2002/01/01 05:09:50 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -1027,7 +1027,8 @@ ExAllocateWholePageBlock(ULONG UserSize)
MmCreateVirtualMapping(NULL,
Address + (i * PAGESIZE),
PAGE_READWRITE | PAGE_SYSTEM,
(ULONG)Page);
(ULONG)Page,
TRUE);
}
*((PULONG)((ULONG)Address + (NrPages * PAGESIZE) - Size)) = NrPages;

80
reactos/ntoskrnl/mm/section.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: section.c,v 1.73 2002/01/01 03:29:15 dwelch Exp $
/* $Id: section.c,v 1.74 2002/01/01 05:09:50 dwelch Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/mm/section.c
@ -394,6 +394,10 @@ MiReadPage(PMEMORY_AREA MemoryArea,
* we might have to move other things out of memory
*/
Status = MmRequestPageMemoryConsumer(MC_USER, TRUE, Page);
if (!NT_SUCCESS(Status))
{
return(Status);
}
/*
* Create an mdl to hold the page we are going to read data into.
@ -500,6 +504,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
{
MmLockAddressSpace(AddressSpace);
MmReleasePageOp(PageOp);
DPRINT("Address 0x%.8X\n", Address);
return(STATUS_MM_RESTART_OPERATION);
}
/*
@ -508,6 +513,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
if (!NT_SUCCESS(PageOp->Status))
{
MmLockAddressSpace(AddressSpace);
DPRINT("Address 0x%.8X\n", Address);
return(PageOp->Status);
}
MmLockAddressSpace(AddressSpace);
@ -544,6 +550,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
MmUnlockSectionSegment(Segment);
MmUnlockSection(Section);
MmReleasePageOp(PageOp);
DPRINT("Address 0x%.8X\n", Address);
return(STATUS_SUCCESS);
}
@ -580,13 +587,12 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
while (Status == STATUS_NO_MEMORY)
{
MmUnlockAddressSpace(AddressSpace);
KeBugCheck(0);
MmLockAddressSpace(AddressSpace);
Status = MmCreateVirtualMapping(PsGetCurrentProcess(),
Address,
MemoryArea->Attributes,
(ULONG)Page,
FALSE);
TRUE);
MmLockAddressSpace(AddressSpace);
}
if (!NT_SUCCESS(Status))
{
@ -610,6 +616,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
PageOp->Status = STATUS_SUCCESS;
KeSetEvent(&PageOp->CompletionEvent, IO_NO_INCREMENT, FALSE);
MmReleasePageOp(PageOp);
DPRINT("Address 0x%.8X\n", Address);
return(STATUS_SUCCESS);
}
@ -640,6 +647,7 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
MmReleasePageOp(PageOp);
MmUnlockSectionSegment(Segment);
MmUnlockSection(Section);
DPRINT("Address 0x%.8X\n", Address);
return(STATUS_SUCCESS);
}
@ -679,13 +687,16 @@ MmNotPresentFaultSectionView(PMADDRESS_SPACE AddressSpace,
MmReleasePageOp(PageOp);
MmUnlockSectionSegment(Segment);
MmUnlockSection(Section);
DPRINT("Address 0x%.8X\n", Address);
return(STATUS_SUCCESS);
}
/*
* Check if this page needs to be mapped COW
*/
if (Segment->WriteCopy || MemoryArea->Data.SectionData.WriteCopyView)
if ((Segment->WriteCopy || MemoryArea->Data.SectionData.WriteCopyView) &&
(MemoryArea->Attributes == PAGE_READWRITE ||
MemoryArea->Attributes == PAGE_EXECUTE_READWRITE))
{
Attributes = PAGE_READONLY;
}
@ -957,10 +968,21 @@ MmAccessFaultSectionView(PMADDRESS_SPACE AddressSpace,
MmLockSection(Section);
MmLockSectionSegment(Segment);
/*
* Sanity check.
*/
if (MmGetPageEntrySectionSegment(Segment, Offset.QuadPart) == 0)
{
DPRINT1("COW fault for page with PESS 0. Address was 0x%.8X\n",
Address);
}
/*
* Check if we are doing COW
*/
if (!(Segment->WriteCopy || MemoryArea->Data.SectionData.WriteCopyView))
if (!((Segment->WriteCopy || MemoryArea->Data.SectionData.WriteCopyView) &&
(MemoryArea->Attributes == PAGE_READWRITE ||
MemoryArea->Attributes == PAGE_EXECUTE_READWRITE)))
{
MmUnlockSection(Section);
MmUnlockSectionSegment(Segment);
@ -2108,33 +2130,61 @@ MmCreateImageSection(PHANDLE SectionHandle,
ImageSections[i-1].PointerToRawData;
SectionSegments[i].Characteristics =
ImageSections[i-1].Characteristics;
if (ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_CODE)
/*
* Set up the protection and write copy variables.
*/
if ((ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_READABLE) ||
(ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_WRITABLE) ||
(ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_EXECUTABLE))
{
SectionSegments[i].Protection =
SectionCharacteristicsToProtect[ImageSections[i-1].Characteristics >> 28];
SectionSegments[i].WriteCopy =
!(ImageSections[i - 1].Characteristics & IMAGE_SECTION_CHAR_SHARED);
}
else if (ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_CODE)
{
SectionSegments[i].Protection = PAGE_EXECUTE_READ;
SectionSegments[i].Attributes = 0;
SectionSegments[i].WriteCopy = TRUE;
}
else if (ImageSections[i-1].Characteristics &
IMAGE_SECTION_CHAR_DATA)
{
SectionSegments[i].Protection = PAGE_READWRITE;
SectionSegments[i].Attributes = 0;
SectionSegments[i].WriteCopy = TRUE;
}
else if (ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_BSS)
{
SectionSegments[i].Protection = PAGE_READWRITE;
SectionSegments[i].Attributes = MM_SECTION_SEGMENT_BSS;
SectionSegments[i].WriteCopy = TRUE;
}
else
{
SectionSegments[i].Protection =
SectionCharacteristicsToProtect[ImageSections[i-1].Characteristics >> 28];
SectionSegments[i].Attributes = 0;
SectionSegments[i].WriteCopy =
!(ImageSections[i - 1].Characteristics & IMAGE_SECTION_CHAR_SHARED);
SectionSegments[i].Protection = PAGE_NOACCESS;
SectionSegments[i].WriteCopy = TRUE;
}
/*
* Set up the attributes.
*/
if (ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_CODE)
{
SectionSegments[i].Attributes = 0;
}
else if (ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_DATA)
{
SectionSegments[i].Attributes = 0;
}
else if (ImageSections[i-1].Characteristics & IMAGE_SECTION_CHAR_BSS)
{
SectionSegments[i].Attributes = MM_SECTION_SEGMENT_BSS;
}
else
{
SectionSegments[i].Attributes = 0;
}
SectionSegments[i].RawLength = ImageSections[i-1].SizeOfRawData;
SectionSegments[i].Length =
ImageSections[i-1].Misc.VirtualSize;