[ion] 74536: [BOOTLIB]: Separate free and zero memory, and code vs data runtime data, as newer bootlibs do. [BOOTLIB]: Fix bugs in MmMdpHasPrecedence and cleanup. [BOOTLIB]: Fix bug in MmMdFreeDesc...
13 May
2017
13 May
'17
7:32 p.m.
Author: ion
Date: Sat May 13 19:32:26 2017
New Revision: 74536
URL: http://svn.reactos.org/svn/reactos?rev=74536&view=rev
Log:
[BOOTLIB]: Separate free and zero memory, and code vs data runtime data, as newer bootlibs
do.
[BOOTLIB]: Fix bugs in MmMdpHasPrecedence and cleanup.
[BOOTLIB]: Fix bug in MmMdFreeDescriptor.
[BOOTLIB]: Cleanup MmMdpSaveCurrentListPointer.
[BOOTLIB]: Fix bug in MmMdpCoalesceDescriptor.
[BOOTLIB]: Fix multiple bugs in MmMdAddDescriptorToList, and cleanup.
Modified:
trunk/reactos/boot/environ/include/bl.h
trunk/reactos/boot/environ/lib/firmware/efi/firmware.c
trunk/reactos/boot/environ/lib/mm/descriptor.c
trunk/reactos/boot/environ/lib/mm/i386/mmx86.c
Modified: trunk/reactos/boot/environ/include/bl.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/include/bl.h?…
==============================================================================
--- trunk/reactos/boot/environ/include/bl.h [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/include/bl.h [iso-8859-1] Sat May 13 19:32:26 2017
@@ -329,12 +329,14 @@
BlUnusableMemory = 0xF0000002,
BlReservedMemory = 0xF0000003,
BlEfiBootMemory = 0xF0000004,
- BlEfiRuntimeMemory = 0xF0000006,
+ BlConventionalZeroedMemory = 0xF000005,
+ BlEfiRuntimeCodeMemory = 0xF0000006,
BlAcpiReclaimMemory = 0xF0000008,
BlAcpiNvsMemory = 0xF0000009,
BlDeviceIoMemory = 0xF000000A,
BlDevicePortMemory = 0xF000000B,
BlPalMemory = 0xF000000C,
+ BlEfiRuntimeDataMemory = 0xF000000E,
} BL_MEMORY_TYPE;
typedef enum _BL_MEMORY_ATTR
Modified: trunk/reactos/boot/environ/lib/firmware/efi/firmware.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/firmware/…
==============================================================================
--- trunk/reactos/boot/environ/lib/firmware/efi/firmware.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/firmware/efi/firmware.c [iso-8859-1] Sat May 13
19:32:26 2017
@@ -1343,8 +1343,11 @@
break;
case EfiRuntimeServicesCode:
+ OsType = BlEfiRuntimeCodeMemory;
+ break;
+
case EfiRuntimeServicesData:
- OsType = BlEfiRuntimeMemory;
+ OsType = BlEfiRuntimeDataMemory;
break;
case EfiConventionalMemory:
Modified: trunk/reactos/boot/environ/lib/mm/descriptor.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/mm/descri…
==============================================================================
--- trunk/reactos/boot/environ/lib/mm/descriptor.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/mm/descriptor.c [iso-8859-1] Sat May 13 19:32:26 2017
@@ -26,13 +26,38 @@
BlDeviceIoMemory,
BlDevicePortMemory,
BlPalMemory,
- BlEfiRuntimeMemory,
+ BlEfiRuntimeCodeMemory,
+ BlEfiRuntimeDataMemory,
BlAcpiNvsMemory,
BlAcpiReclaimMemory,
- BlEfiBootMemory
+ BlEfiBootMemory,
+ BlConventionalMemory,
+ BlConventionalZeroedMemory
};
/* FUNCTIONS *****************************************************************/
+
+LONG
+MmMdpLookupTypePrecedenceIndex (
+ _In_ BL_MEMORY_TYPE Type
+ )
+{
+ ULONG i;
+
+ /* Check the precedence array */
+ for (i = 0; i < RTL_NUMBER_OF(MmPlatformMemoryTypePrecedence); i++)
+ {
+ /* Check for a match */
+ if (MmPlatformMemoryTypePrecedence[i] == Type)
+ {
+ /* Return the index */
+ return i;
+ }
+ }
+
+ /* Invalid index type */
+ return -1;
+}
/* The order is Conventional > Other > System > Loader > Application */
BOOLEAN
@@ -44,14 +69,14 @@
BL_MEMORY_CLASS Class1, Class2;
ULONG i, j;
+ /* It isn't free RAM, but the comparator is -- it succeeds it */
+ if (Type2 == BlConventionalMemory)
+ {
+ return TRUE;
+ }
+
/* Descriptor is free RAM -- it precedes */
if (Type1 == BlConventionalMemory)
- {
- return TRUE;
- }
-
- /* It isn't free RAM, but the comparator is -- it succeeds it */
- if (Type2 == BlConventionalMemory)
{
return FALSE;
}
@@ -77,55 +102,30 @@
/* Descriptor is system class */
if (Class1 == BlSystemClass)
{
- /* And so is the other guy... */
- if (Class2 == BlSystemClass)
- {
- i = 0;
- j = 0;
-
- /* Scan for the descriptor's system precedence index */
- do
- {
- if (MmPlatformMemoryTypePrecedence[j] == Type1)
- {
- break;
- }
- } while (++j < RTL_NUMBER_OF(MmPlatformMemoryTypePrecedence));
-
- /* Use an invalid index if one wasn't found */
- if (j == RTL_NUMBER_OF(MmPlatformMemoryTypePrecedence))
- {
- j = 0xFFFFFFFF;
- }
-
- /* Now scan for the comparator's system precedence index */
- while (MmPlatformMemoryTypePrecedence[i] != Type2)
- {
- /* Use an invalid index if one wasn't found */
- if (++i >= RTL_NUMBER_OF(MmPlatformMemoryTypePrecedence))
- {
- i = 0xFFFFFFFF;
- break;
- }
- }
-
- /* Does the current have a valid index? */
- if (j != 0xFFFFFFFF)
- {
- /* Yes, what about the comparator? */
- if (i != 0xFFFFFFFF)
- {
- /* Let the indexes fight! */
- return i >= j;
- }
-
- /* Succeed the comparator, its index is unknown */
- return FALSE;
- }
- }
-
- /* The comparator isn't system, so it precedes it */
- return TRUE;
+ /* If the other guy isn't, system wins */
+ if (Class2 != BlSystemClass)
+ {
+ return TRUE;
+ }
+
+ /* Scan for the descriptor's system precedence index */
+ i = MmMdpLookupTypePrecedenceIndex(Type1);
+ j = MmMdpLookupTypePrecedenceIndex(Type2);
+
+ /* Does the current have a valid index? */
+ if (i == 0xFFFFFFFF)
+ {
+ return TRUE;
+ }
+
+ /* Yes, what about the comparator? */
+ if (j == 0xFFFFFFFF)
+ {
+ return FALSE;
+ }
+
+ /* Let the indexes fight! */
+ return i <= j;
}
/* Descriptor is not system class, but comparator is -- it succeeds it */
@@ -134,7 +134,7 @@
return FALSE;
}
- /* Descriptor is loader class -- it precedes */
+ /* Descriptor is loader class -- it preceedes */
if (Class1 == BlLoaderClass)
{
return TRUE;
@@ -163,8 +163,9 @@
/* Check if this is a valid static descriptor */
if (((MmDynamicMemoryDescriptors) &&
(MemoryDescriptor >= MmDynamicMemoryDescriptors) &&
- (MemoryDescriptor < (MmDynamicMemoryDescriptors +
MmDynamicMemoryDescriptorCount))) ||
- ((MemoryDescriptor >= MmStaticMemoryDescriptors) && (MemoryDescriptor
< &MmStaticMemoryDescriptors[511])))
+ (MemoryDescriptor <
&MmDynamicMemoryDescriptors[MmDynamicMemoryDescriptorCount])) ||
+ ((MemoryDescriptor >= MmStaticMemoryDescriptors) &&
+ (MemoryDescriptor <
&MmStaticMemoryDescriptors[RTL_NUMBER_OF(MmStaticMemoryDescriptors)])))
{
/* It's a global/static descriptor, so just zero it */
RtlZeroMemory(MemoryDescriptor, sizeof(BL_MEMORY_DESCRIPTOR));
@@ -188,9 +189,13 @@
_In_ PLIST_ENTRY Current
)
{
+ PBL_MEMORY_DESCRIPTOR FirstEntry, LastEntry;
+
/* Make sure that this is not a global descriptor and not the first one */
- if (((Current < &MmGlobalMemoryDescriptors->ListEntry) ||
- (Current >=
&MmGlobalMemoryDescriptors[MmGlobalMemoryDescriptorCount].ListEntry)) &&
+ FirstEntry = &MmGlobalMemoryDescriptors[0];
+ LastEntry = &MmGlobalMemoryDescriptors[MmGlobalMemoryDescriptorCount];
+ if ((((ULONG_PTR)Current < (ULONG_PTR)FirstEntry) ||
+ ((ULONG_PTR)Current >= (ULONG_PTR)LastEntry)) &&
(Current != MdList->First))
{
/* Save this as the current pointer */
@@ -390,7 +395,7 @@
/* Take one of the available descriptors and fill it out */
MemoryDescriptor = &MmGlobalMemoryDescriptors[MmGlobalMemoryDescriptorsUsed];
- MemoryDescriptor->BaseAddress = BasePage;
+ MemoryDescriptor->BasePage = BasePage;
MemoryDescriptor->VirtualPage = VirtualPage;
MemoryDescriptor->PageCount = PageCount;
MemoryDescriptor->Flags = Flags;
@@ -485,9 +490,9 @@
(NextDescriptor->Type == MemoryDescriptor->Type) &&
((NextDescriptor->Flags ^ MemoryDescriptor->Flags) & 0x1B19FFFF)
&&
(EndPage == NextDescriptor->BasePage) &&
- ((!(MemoryDescriptor->VirtualPage) &&
!(PreviousDescriptor->VirtualPage)) ||
- ((MemoryDescriptor->VirtualPage) &&
(PreviousDescriptor->VirtualPage) &&
- (MappedEndPage == NextDescriptor->VirtualPage))))
+ ((!(MemoryDescriptor->VirtualPage) &&
!(NextDescriptor->VirtualPage)) ||
+ ((MemoryDescriptor->VirtualPage) && (NextDescriptor->VirtualPage)
&&
+ (MappedEndPage == NextDescriptor->VirtualPage))))
{
EfiPrintf(L"Next descriptor coalescable!\r\n");
}
@@ -516,15 +521,12 @@
if (Flags & BL_MM_ADD_DESCRIPTOR_NEVER_COALESCE_FLAG)
{
/* Then we won't be coalescing */
- Flags &= BL_MM_ADD_DESCRIPTOR_COALESCE_FLAG;
- }
- else
+ Flags &= ~BL_MM_ADD_DESCRIPTOR_COALESCE_FLAG;
+ }
+ else if (MemoryDescriptor->Flags & BlMemoryCoalesced)
{
/* Coalesce if the descriptor requires it */
- if (MemoryDescriptor->Flags & BlMemoryCoalesced)
- {
- Flags |= BL_MM_ADD_DESCRIPTOR_COALESCE_FLAG;
- }
+ Flags |= BL_MM_ADD_DESCRIPTOR_COALESCE_FLAG;
}
/* Check if truncation is forcefully disabled */
@@ -548,82 +550,81 @@
/* Check if there's no current pointer, or if it's higher than the new one
*/
if (!(ThisEntry) ||
- (MemoryDescriptor->BaseAddress <= ThisDescriptor->BaseAddress))
+ (MemoryDescriptor->BasePage <= ThisDescriptor->BasePage))
{
/* Start at the first descriptor instead, since current is past us */
ThisEntry = FirstEntry->Flink;
+ }
+
+ /* Loop until we find the right location to insert */
+ while (ThisEntry != FirstEntry)
+ {
+ /* Get the descriptor part of this entry */
ThisDescriptor = CONTAINING_RECORD(ThisEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
- }
-
- /* Loop until we find the right location to insert */
- while (1)
- {
- /* Have we gotten back to the first entry? */
- if (ThisEntry == FirstEntry)
- {
- /* Then we didn't find a good match, so insert it right here */
- InsertTailList(FirstEntry, &MemoryDescriptor->ListEntry);
-
- /* Do we have to truncate? */
- if (Flags & BL_MM_ADD_DESCRIPTOR_TRUNCATE_FLAG)
- {
- /* Do it and then exit */
- if (MmMdpTruncateDescriptor(MdList, MemoryDescriptor, Flags))
- {
- return STATUS_SUCCESS;
- }
- }
-
- /* Do we have to coalesce? */
- if (Flags & BL_MM_ADD_DESCRIPTOR_COALESCE_FLAG)
- {
- /* Do it and then exit */
- if (MmMdpCoalesceDescriptor(MdList, MemoryDescriptor, Flags))
- {
- return STATUS_SUCCESS;
- }
- }
-
- /* Do we have to update the current pointer? */
- if (Flags & BL_MM_ADD_DESCRIPTOR_UPDATE_LIST_POINTER_FLAG)
- {
- /* Do it */
- MmMdpSaveCurrentListPointer(MdList,
&MemoryDescriptor->ListEntry);
- }
-
- /* We're done */
- return STATUS_SUCCESS;
- }
-
- /* Is the new descriptor below this address, and has precedence over it? */
- if ((MemoryDescriptor->BaseAddress < ThisDescriptor->BaseAddress)
&&
- (MmMdpHasPrecedence(MemoryDescriptor->Type, ThisDescriptor->Type)))
+
+ /* Is the address smaller, or equal but more important? */
+ if ((MemoryDescriptor->BasePage < ThisDescriptor->BasePage) ||
+ ((MemoryDescriptor->BasePage == ThisDescriptor->BasePage) &&
+ (MmMdpHasPrecedence(MemoryDescriptor->Type, ThisDescriptor->Type))))
{
/* Then insert right here */
InsertTailList(ThisEntry, &MemoryDescriptor->ListEntry);
+ goto Quickie;
+ }
+
+ /* Try the next entry */
+ ThisEntry = ThisEntry->Flink;
+ }
+
+ /* Then we didn't find a good match, so insert it right here */
+ InsertTailList(FirstEntry, &MemoryDescriptor->ListEntry);
+
+Quickie:
+ /* Do we have to truncate? */
+ if (Flags & BL_MM_ADD_DESCRIPTOR_TRUNCATE_FLAG)
+ {
+ /* Do it and then exit */
+ if (MmMdpTruncateDescriptor(MdList, MemoryDescriptor, Flags))
+ {
return STATUS_SUCCESS;
}
-
- /* Try the next descriptor */
- ThisEntry = ThisEntry->Flink;
- ThisDescriptor = CONTAINING_RECORD(ThisEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
- }
+ }
+
+ /* Do we have to coalesce? */
+ if (Flags & BL_MM_ADD_DESCRIPTOR_COALESCE_FLAG)
+ {
+ /* Do it and then exit */
+ if (MmMdpCoalesceDescriptor(MdList, MemoryDescriptor, Flags))
+ {
+ return STATUS_SUCCESS;
+ }
+ }
+
+ /* Do we have to update the current pointer? */
+ if (Flags & BL_MM_ADD_DESCRIPTOR_UPDATE_LIST_POINTER_FLAG)
+ {
+ /* Do it */
+ MmMdpSaveCurrentListPointer(MdList, &MemoryDescriptor->ListEntry);
+ }
+
+ /* We're done */
+ return STATUS_SUCCESS;
}
NTSTATUS
MmMdRemoveRegionFromMdlEx (
- __in PBL_MEMORY_DESCRIPTOR_LIST MdList,
- __in ULONG Flags,
- __in ULONGLONG BasePage,
- __in ULONGLONG PageCount,
- __in PBL_MEMORY_DESCRIPTOR_LIST NewMdList
+ _In_ PBL_MEMORY_DESCRIPTOR_LIST MdList,
+ _In_ ULONG Flags,
+ _In_ ULONGLONG BasePage,
+ _In_ ULONGLONG PageCount,
+ _Out_opt_ PBL_MEMORY_DESCRIPTOR_LIST NewMdList
)
{
BOOLEAN HaveNewList, UseVirtualPage;
NTSTATUS Status;
PLIST_ENTRY ListHead, NextEntry;
PBL_MEMORY_DESCRIPTOR Descriptor;
- BL_MEMORY_DESCRIPTOR NewDescriptor;
+ //BL_MEMORY_DESCRIPTOR NewDescriptor;
ULONGLONG RegionSize;
ULONGLONG FoundBasePage, FoundEndPage, FoundPageCount, EndPage;
@@ -683,7 +684,7 @@
EndPage = PageCount + BasePage;
/* Make a copy of the original descriptor */
- RtlCopyMemory(&NewDescriptor, NextEntry, sizeof(NewDescriptor));
+ //NewDescriptor = *Descriptor; // FIXME: Need to use this somewhere...
/* Check if the region to be removed starts after the found region starts */
if ((BasePage > FoundBasePage) || (FoundBasePage >= EndPage))
Modified: trunk/reactos/boot/environ/lib/mm/i386/mmx86.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/mm/i386/m…
==============================================================================
--- trunk/reactos/boot/environ/lib/mm/i386/mmx86.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/mm/i386/mmx86.c [iso-8859-1] Sat May 13 19:32:26 2017
@@ -790,7 +790,8 @@
/* Check if this is a UEFI-related descriptor, unless it's the self-map
page */
Descriptor = CONTAINING_RECORD(NextEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
if (((Descriptor->Type == BlEfiBootMemory) ||
- (Descriptor->Type == BlEfiRuntimeMemory) ||
+ (Descriptor->Type == BlEfiRuntimeCodeMemory) ||
+ (Descriptor->Type == BlEfiRuntimeDataMemory) || // WINBUG?
(Descriptor->Type == BlLoaderMemory)) &&
((Descriptor->BasePage << PAGE_SHIFT) !=
Mmx86SelfMapBase.QuadPart))
{
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