[ion] 73712: [BOOTMGR]: Add the basics of some memory allocator/descriptor tests. [BOOTLIB]: Implement MmMdFindDescriptorFromMdl (broken?) [BOOTLIB]: Implement MmMdFindDescriptor. [BOOTLIB]: Implem...

Author: ion
Date: Sun Feb  5 19:55:49 2017
New Revision: 73712

URL: http://svn.reactos.org/svn/reactos?rev=73712&view=rev
Log:
[BOOTMGR]: Add the basics of some memory allocator/descriptor tests.
[BOOTLIB]: Implement MmMdFindDescriptorFromMdl (broken?)
[BOOTLIB]: Implement MmMdFindDescriptor.
[BOOTLIB]: Implement BlMmFreePhysicalPages.
[BOOTLIB]: Implement MmPapFreePages for physical memory translation scenario only.

Modified:
    trunk/reactos/boot/environ/app/bootmgr/bootmgr.c
    trunk/reactos/boot/environ/include/bl.h
    trunk/reactos/boot/environ/lib/mm/descriptor.c
    trunk/reactos/boot/environ/lib/mm/pagealloc.c

Modified: trunk/reactos/boot/environ/app/bootmgr/bootmgr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/app/bootmgr/b…
==============================================================================
--- trunk/reactos/boot/environ/app/bootmgr/bootmgr.c	[iso-8859-1] (original)
+++ trunk/reactos/boot/environ/app/bootmgr/bootmgr.c	[iso-8859-1] Sun Feb  5 19:55:49
2017
@@ -2895,6 +2895,31 @@
         }
     }
 
+
+    /* TEST MODE */
+    EfiPrintf(L"Performing memory allocator tests...\r\n");
+    {
+        NTSTATUS Status;
+        PHYSICAL_ADDRESS PhysicalAddress;
+        PBL_MEMORY_DESCRIPTOR Found;
+        PBL_MEMORY_DESCRIPTOR
+            MmMdFindDescriptor (
+                _In_ ULONG WhichList,
+                _In_ ULONG Flags,
+                _In_ ULONGLONG Page
+            );
+
+        /* Allocate 1 physical page */
+        PhysicalAddress.QuadPart = 0;
+        Status = BlMmAllocatePhysicalPages(&PhysicalAddress, BlLoaderData, 1, 0, 1);
+        EfiPrintf(L"Allocation status: %lx at address: %llx\r\n", Status,
PhysicalAddress.QuadPart);
+        EfiStall(10000);
+
+        Found = MmMdFindDescriptor(BL_MM_INCLUDE_UNMAPPED_ALLOCATED, 0,
PhysicalAddress.QuadPart);
+        EfiPrintf(L"Found descriptor: %p %llx\r\n", Found,
Found->BasePage);
+    }
+
+
     /* Write out the first XML tag */
     BlXmiWrite(L"<bootmgr/>");
 

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] Sun Feb  5 19:55:49 2017
@@ -669,7 +669,6 @@
 (*PBL_DEVICE_CREATE) (
     VOID
     );
-
 
 /* DATA STRUCTURES ***********************************************************/
 

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] Sun Feb  5 19:55:49 2017
@@ -779,6 +779,204 @@
     return Status;
 }
 
+PBL_MEMORY_DESCRIPTOR
+MmMdFindDescriptorFromMdl (
+    _In_ PBL_MEMORY_DESCRIPTOR_LIST MdList, 
+    _In_ ULONG Flags, 
+    _In_ ULONGLONG Page
+    )
+{
+    BOOLEAN IsVirtual;
+    PLIST_ENTRY NextEntry, ListHead;
+    PBL_MEMORY_DESCRIPTOR Current;
+    ULONGLONG BasePage;
+
+    /* Assume physical */
+    IsVirtual = FALSE;
+
+    /* Check if the caller wants physical memory */
+    if (!(Flags & BL_MM_REMOVE_VIRTUAL_REGION_FLAG))
+    {
+        /* Check if this is a virtual memory list */
+        if (MdList->Type == BlMdVirtual)
+        {
+            /* We won't find anything */
+            return NULL;
+        }
+    }
+    else if (MdList->Type == BlMdPhysical)
+    {
+        /* Otherwise, caller wants virtual, but this is a physical list */
+        IsVirtual = TRUE;
+        NextEntry = MdList->First->Flink;
+    }
+    
+    /* Check if this is a physical search */
+    if (!IsVirtual)
+    {
+        /* Check if we can use the current pointer */
+        NextEntry = MdList->This;
+        if (!NextEntry)
+        {
+            /* We can't -- start at the beginning */
+            NextEntry = MdList->First->Flink;
+        }
+        else
+        {
+            /* If the page is below the current pointer, restart */
+            Current = CONTAINING_RECORD(NextEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
+            if (Page < Current->BasePage)
+            {
+                NextEntry = MdList->First->Flink;
+            }
+        }
+    }
+
+    /* Loop the list of descriptors */
+    ListHead = MdList->First;
+    while (NextEntry != ListHead)
+    {
+        /* Get the current one */
+        Current = CONTAINING_RECORD(NextEntry, BL_MEMORY_DESCRIPTOR, ListEntry);
+
+        /* Check if we are looking for virtual memory */
+        if (IsVirtual)
+        {
+            /* Use the base address */
+            BasePage = Current->VirtualPage;
+        }
+        else
+        {
+            /* Use the page */
+            BasePage = Current->BasePage;
+        }
+
+        /* If this is a virtual descriptor, make sure it has a base address */
+        if ((!(IsVirtual) || (BasePage)) &&
+            (BasePage <= Page) &&
+            (Page < (BasePage + Current->PageCount)))
+        {
+            /* The descriptor fits the page being requested */
+            break;
+        }
+
+        /* Try the next one */
+        NextEntry = NextEntry->Flink;
+    }
+
+    /* Nothing found if we're here */
+    return NULL;
+}
+
+PBL_MEMORY_DESCRIPTOR
+MmMdFindDescriptor (
+    _In_ ULONG WhichList, 
+    _In_ ULONG Flags,
+    _In_ ULONGLONG Page
+    )
+{
+    PBL_MEMORY_DESCRIPTOR FoundDescriptor;
+
+    /* Check if the caller is looking for mapped, allocated memory */
+    if (WhichList & BL_MM_INCLUDE_MAPPED_ALLOCATED)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlMappedAllocated, Flags,
Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Check if the caller is looking for mapped, unallocated memory */
+    if (WhichList & BL_MM_INCLUDE_MAPPED_UNALLOCATED)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlMappedUnallocated, Flags,
Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Check if the caller is looking for unmapped, allocated memory */
+    if (WhichList & BL_MM_INCLUDE_UNMAPPED_ALLOCATED)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlUnmappedAllocated, Flags,
Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Check if the caller is looking for unmapped, unallocated memory */
+    if (WhichList & BL_MM_INCLUDE_UNMAPPED_UNALLOCATED)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlUnmappedUnallocated, Flags,
Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Check if the caller is looking for reserved, allocated memory */
+    if (WhichList & BL_MM_INCLUDE_RESERVED_ALLOCATED)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlReservedAllocated, Flags,
Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Check if the caller is looking for bad memory */
+    if (WhichList & BL_MM_INCLUDE_BAD_MEMORY)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlBadMemory, Flags, Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Check if the caller is looking for truncated memory */
+    if (WhichList & BL_MM_INCLUDE_TRUNCATED_MEMORY)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlTruncatedMemory, Flags,
Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Check if the caller is looking for persistent memory */
+    if (WhichList & BL_MM_INCLUDE_PERSISTENT_MEMORY)
+    {
+        /* Find a descriptor in that list */
+        FoundDescriptor = MmMdFindDescriptorFromMdl(&MmMdlPersistentMemory, Flags,
Page);
+        if (FoundDescriptor)
+        {
+            /* Got it */
+            return FoundDescriptor;
+        }
+    }
+
+    /* Nothing if we got here */
+    return NULL;
+}
+
 BOOLEAN
 MmMdFindSatisfyingRegion (
     _In_ PBL_MEMORY_DESCRIPTOR Descriptor,

Modified: trunk/reactos/boot/environ/lib/mm/pagealloc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/mm/pageal…
==============================================================================
--- trunk/reactos/boot/environ/lib/mm/pagealloc.c	[iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/mm/pagealloc.c	[iso-8859-1] Sun Feb  5 19:55:49 2017
@@ -610,14 +610,24 @@
 }
 
 NTSTATUS
+MmPapFreePhysicalPages (
+    _In_ ULONG WhichList,
+    _In_ ULONGLONG PageCount,
+    _In_ PHYSICAL_ADDRESS Address
+    )
+{
+    /* TBD */
+    EfiPrintf(L"Leaking memory: %p!\r\n", Address.QuadPart);
+    return STATUS_SUCCESS;
+}
+
+NTSTATUS
 BlMmFreePhysicalPages (
     _In_ PHYSICAL_ADDRESS Address
     )
 {
     /* Call the physical allocator */
-    EfiPrintf(L"Leaking memory: %p!\r\n", Address.QuadPart);
-    return STATUS_SUCCESS;
-    //return MmPapFreePhysicalPages(4, 0, Address);
+    return MmPapFreePhysicalPages(BL_MM_INCLUDE_UNMAPPED_ALLOCATED, 0, Address);
 }
 
 NTSTATUS
@@ -626,8 +636,24 @@
     _In_ ULONG WhichList
     )
 {
-    EfiPrintf(L"Leaking memory: %p!\r\n", Address);
-    return STATUS_SUCCESS;
+    PHYSICAL_ADDRESS PhysicalAddress;
+
+    /* Handle virtual memory scenario */
+    if (MmTranslationType != BlNone)
+    {
+        EfiPrintf(L"Unimplemented virtual path\r\n");
+        return STATUS_SUCCESS;
+    }
+
+    /* Physical memory should be in the unmapped allocated list */
+    if (WhichList != BL_MM_INCLUDE_PERSISTENT_MEMORY)
+    {
+        WhichList = BL_MM_INCLUDE_UNMAPPED_ALLOCATED;
+    }
+
+    /* Free it from there */
+    PhysicalAddress.QuadPart = (ULONGLONG)Address;
+    return MmPapFreePhysicalPages(WhichList, 0, PhysicalAddress);
 }
 
 NTSTATUS