Author: ion
Date: Wed Jan 20 01:28:50 2016
New Revision: 70621
URL: http://svn.reactos.org/svn/reactos?rev=70621&view=rev
Log:
[BOOTLIB]: Rough sketches of BlImgLoadBootApplication,
BlImgStartBootApplication, BlImgUnLoadBootApplication.
Modified:
trunk/reactos/boot/environ/app/bootmgr/bootmgr.c
trunk/reactos/boot/environ/include/bcd.h
trunk/reactos/boot/environ/include/bl.h
trunk/reactos/boot/environ/lib/bootlib.c
trunk/reactos/boot/environ/lib/misc/image.c
trunk/reactos/boot/environ/lib/platform/time.c
Modified: trunk/reactos/boot/environ/app/bootmgr/bootmgr.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/app/bootmgr/bootmgr.c?rev=70621&r1=70620&r2=70621&view=diff
==============================================================================
--- trunk/reactos/boot/environ/app/bootmgr/bootmgr.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/app/bootmgr/bootmgr.c [iso-8859-1] Wed Jan 20
01:28:50 2016
@@ -1083,30 +1083,6 @@
return STATUS_SUCCESS;
}
-VOID
-BlImgQueryCodeIntegrityBootOptions (
- _In_ PBL_LOADED_APPLICATION_ENTRY ApplicationEntry,
- _Out_ PBOOLEAN IntegrityChecksDisabled,
- _Out_ PBOOLEAN TestSigningEnabled
- )
-{
-
- NTSTATUS Status;
- BOOLEAN Value;
-
- /* Check if /DISABLEINTEGRITYCHECKS is on */
- Status = BlGetBootOptionBoolean(ApplicationEntry->BcdData,
- BcdLibraryBoolean_DisableIntegrityChecks,
- &Value);
- *IntegrityChecksDisabled = NT_SUCCESS(Status) && (Value);
-
- /* Check if /TESTSIGNING is on */
- Status = BlGetBootOptionBoolean(ApplicationEntry->BcdData,
-
BcdLibraryBoolean_AllowPrereleaseSignatures,
- &Value);
- *TestSigningEnabled = NT_SUCCESS(Status) && (Value);
-}
-
NTSTATUS
BmFwVerifySelfIntegrity (
VOID
@@ -2212,38 +2188,6 @@
return STATUS_SUCCESS;
}
-/* MOVE TO IMAGe.C */
-NTSTATUS
-BlImgLoadBootApplication (
- _In_ PBL_LOADED_APPLICATION_ENTRY BootEntry,
- _Out_ PHANDLE AppHandle
- )
-{
- EfiPrintf(L"Loading application %p\r\n", BootEntry);
-
- return STATUS_NOT_IMPLEMENTED;
-}
-
-NTSTATUS
-BlImgStartBootApplication (
- _In_ HANDLE AppHandle,
- _Inout_ PBL_RETURN_ARGUMENTS ReturnArguments
- )
-{
- EfiPrintf(L"Starting application %p\r\n", AppHandle);
-
- return STATUS_NOT_IMPLEMENTED;
-}
-
-NTSTATUS
-BlImgUnloadBootApplication (
- _In_ HANDLE AppHandle
- )
-{
- EfiPrintf(L"Unloading application %p\r\n", AppHandle);
-
- return STATUS_NOT_IMPLEMENTED;
-}
NTSTATUS
BmpTransferExecution (
@@ -2257,7 +2201,7 @@
PBL_DEVICE_DESCRIPTOR AppDevice;
BL_RETURN_ARGUMENTS ReturnArgs;
BOOLEAN AdvancedOptions;
- HANDLE AppHandle;
+ ULONG AppHandle;
Status = BlGetBootOptionString(BootEntry->BcdData,
BcdLibraryString_ApplicationPath,
Modified: trunk/reactos/boot/environ/include/bcd.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/include/bcd.h?rev=70621&r1=70620&r2=70621&view=diff
==============================================================================
--- trunk/reactos/boot/environ/include/bcd.h [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/include/bcd.h [iso-8859-1] Wed Jan 20
01:28:50 2016
@@ -94,6 +94,7 @@
BcdLibraryInteger_GraphicsResolution = 0x15000052,
BcdLibraryInteger_DisplayMessage = 0x15000065, /* Undocumented */
BcdLibraryInteger_DisplayMessageOverride = 0x15000066, /* Undocumented */
+ BcdLibraryInteger_UndocumentedMagic = 0x15000075, /* Undocumented magic */
BcdLibraryBoolean_RestartOnFailure = 0x16000053,
BcdLibraryBoolean_GraphicsForceHighestMode = 0x16000054,
BcdLibraryBoolean_IsolatedExecutionContext = 0x16000060,
Modified: trunk/reactos/boot/environ/include/bl.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/include/bl.h?rev=70621&r1=70620&r2=70621&view=diff
==============================================================================
--- trunk/reactos/boot/environ/include/bl.h [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/include/bl.h [iso-8859-1] Wed Jan 20
01:28:50 2016
@@ -1139,6 +1139,13 @@
PWCHAR FileName;
} BL_IMG_FILE, *PBL_IMG_FILE;
+typedef struct _BL_IMAGE_APPLICATION_ENTRY
+{
+ PBL_APPLICATION_ENTRY AppEntry;
+ PVOID ImageBase;
+ ULONG ImageSize;
+} BL_IMAGE_APPLICATION_ENTRY, *PBL_IMAGE_APPLICATION_ENTRY;
+
typedef struct _BL_DEFERRED_FONT_FILE
{
LIST_ENTRY ListEntry;
@@ -1464,6 +1471,11 @@
VOID
);
+ULONGLONG
+BlTimeQueryPerformanceCounter (
+ _Out_opt_ PLARGE_INTEGER Frequency
+ );
+
/* RESOURCE LOCALE INTERNATIONALIZATION ROUTINES *****************************/
NTSTATUS
@@ -2134,6 +2146,30 @@
BlImgFindSection (
_In_ PVOID ImageBase,
_In_ ULONG ImageSize
+ );
+
+NTSTATUS
+BlImgLoadBootApplication (
+ _In_ PBL_LOADED_APPLICATION_ENTRY BootEntry,
+ _Out_ PULONG AppHandle
+ );
+
+NTSTATUS
+BlImgStartBootApplication (
+ _In_ ULONG AppHandle,
+ _Inout_ PBL_RETURN_ARGUMENTS ReturnArguments
+ );
+
+NTSTATUS
+BlImgUnloadBootApplication (
+ _In_ ULONG AppHandle
+ );
+
+VOID
+BlImgQueryCodeIntegrityBootOptions (
+ _In_ PBL_LOADED_APPLICATION_ENTRY ApplicationEntry,
+ _Out_ PBOOLEAN IntegrityChecksDisabled,
+ _Out_ PBOOLEAN TestSigning
);
/* FILE I/O ROUTINES *********************************************************/
@@ -2453,4 +2489,7 @@
extern PVOID DspLocalInputConsole;
extern WCHAR BlScratchBuffer[8192];
extern BL_MEMORY_DESCRIPTOR_LIST MmMdlUnmappedAllocated;
+extern ULONGLONG BlpTimePerformanceFrequency;
+extern LIST_ENTRY RegisteredFileSystems;
+
#endif
Modified: trunk/reactos/boot/environ/lib/bootlib.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/bootlib.c?rev=70621&r1=70620&r2=70621&view=diff
==============================================================================
--- trunk/reactos/boot/environ/lib/bootlib.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/bootlib.c [iso-8859-1] Wed Jan 20
01:28:50 2016
@@ -49,9 +49,11 @@
PBL_MEMORY_DATA MemoryData;
PBL_APPLICATION_ENTRY AppEntry;
PBL_FIRMWARE_DESCRIPTOR FirmwareDescriptor;
- ULONG_PTR ParamPointer = (ULONG_PTR)BootAppParameters;
+ LARGE_INTEGER BootFrequency;
+ ULONG_PTR ParamPointer;
/* Validate correct Boot Application data */
+ ParamPointer = (ULONG_PTR)BootAppParameters;
if (!(BootAppParameters) ||
(BootAppParameters->Signature[0] != BOOT_APPLICATION_SIGNATURE_1) ||
(BootAppParameters->Signature[1] != BOOT_APPLICATION_SIGNATURE_2) ||
@@ -131,18 +133,16 @@
return Status;
}
-#if 0
/* Modern systems have an undocumented BCD system for the boot frequency */
Status = BlGetBootOptionInteger(BlpApplicationEntry.BcdData,
0x15000075,
- &BootFrequency);
- if (NT_SUCCESS(Status) && (BootFrequency))
+ (PULONGLONG)&BootFrequency.QuadPart);
+ if (NT_SUCCESS(Status) && (BootFrequency.QuadPart))
{
/* Use it if present */
- BlpTimePerformanceFrequency = BootFrequency;
+ BlpTimePerformanceFrequency = BootFrequency.QuadPart;
}
else
-#endif
{
/* Use the TSC for calibration */
Status = BlpTimeCalibratePerformanceCounter();
Modified: trunk/reactos/boot/environ/lib/misc/image.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/misc/image.c?rev=70621&r1=70620&r2=70621&view=diff
==============================================================================
--- trunk/reactos/boot/environ/lib/misc/image.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/misc/image.c [iso-8859-1] Wed Jan 20
01:28:50 2016
@@ -9,6 +9,13 @@
/* INCLUDES ******************************************************************/
#include "bl.h"
+#include <bcd.h>
+
+/* DATA VARIABLES ************************************************************/
+
+ULONG IapAllocatedTableEntries;
+ULONG IapTableEntries;
+PVOID* IapImageTable;
/* FUNCTIONS *****************************************************************/
@@ -186,6 +193,17 @@
/* Return the final status */
return Status;
+}
+
+NTSTATUS
+BlImgUnallocateImageBuffer (
+ _In_ PVOID ImageBase,
+ _In_ ULONG ImageSize,
+ _In_ ULONG ImageFlags
+ )
+{
+ EfiPrintf(L"leaking the shit out of %p\r\n", ImageBase);
+ return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS
@@ -591,3 +609,436 @@
return FoundSection;
}
+VOID
+BlImgQueryCodeIntegrityBootOptions (
+ _In_ PBL_LOADED_APPLICATION_ENTRY ApplicationEntry,
+ _Out_ PBOOLEAN IntegrityChecksDisabled,
+ _Out_ PBOOLEAN TestSigning
+ )
+{
+
+ NTSTATUS Status;
+ BOOLEAN Value;
+
+ /* Check if /DISABLEINTEGRITYCHECKS is on */
+ Status = BlGetBootOptionBoolean(ApplicationEntry->BcdData,
+ BcdLibraryBoolean_DisableIntegrityChecks,
+ &Value);
+ *IntegrityChecksDisabled = NT_SUCCESS(Status) && (Value);
+
+ /* Check if /TESTSIGNING is on */
+ Status = BlGetBootOptionBoolean(ApplicationEntry->BcdData,
+
BcdLibraryBoolean_AllowPrereleaseSignatures,
+ &Value);
+ *TestSigning = NT_SUCCESS(Status) && (Value);
+}
+
+NTSTATUS
+BlImgUnLoadImage (
+ _In_ PVOID ImageBase,
+ _In_ ULONG ImageSize,
+ _In_ ULONG ImageFlags
+ )
+{
+ /* Check for missing parameters */
+ if (!(ImageSize) || !(ImageBase))
+ {
+ /* Bail out */
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ /* Unallocate the image buffer */
+ return BlImgUnallocateImageBuffer(ImageBase, ImageSize, ImageFlags);
+}
+
+NTSTATUS
+BlImgLoadPEImageEx (
+ _In_ ULONG DeviceId,
+ _In_ BL_MEMORY_TYPE MemoryType,
+ _In_ PWCHAR Path,
+ _Out_ PVOID* ImageBase,
+ _Out_ PULONG ImageSize,
+ _Out_ PVOID Hash,
+ _In_ ULONG Flags
+ )
+{
+ EfiPrintf(L"PE not implemented\r\n");
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+BlImgLoadBootApplication (
+ _In_ PBL_LOADED_APPLICATION_ENTRY BootEntry,
+ _Out_ PULONG AppHandle
+ )
+{
+ NTSTATUS Status;
+ PULONGLONG AllowedList;
+ ULONGLONG AllowedCount;
+ ULONG i;
+ LARGE_INTEGER Frequency;
+ PVOID UnlockCode;
+ PBL_DEVICE_DESCRIPTOR Device, BitLockerDevice;
+ ULONG DeviceId;
+ PWCHAR Path;
+ PBL_APPLICATION_ENTRY AppEntry;
+ PBL_IMG_FILE ImageFile;
+ PVOID ImageBase;
+ ULONG ImageSize;
+ BOOLEAN DisableIntegrity, TestSigning;
+ UCHAR Hash[64];
+ ULONG Flags;
+ ULONG ListSize;
+ PBL_IMAGE_APPLICATION_ENTRY ImageAppEntry;
+
+ BitLockerDevice = NULL;
+ UnlockCode = NULL;
+ ImageFile = NULL;
+ DeviceId = -1;
+ Device = NULL;
+ ImageAppEntry = NULL;
+ Path = NULL;
+ ImageSize = 0;
+ ImageBase = NULL;
+
+ EfiPrintf(L"Loading application %p\r\n", BootEntry);
+
+ Status = BlpGetBootOptionIntegerList(BootEntry->BcdData,
+
BcdLibraryIntegerList_AllowedInMemorySettings,
+ &AllowedList,
+ &AllowedCount,
+ TRUE);
+ if (Status == STATUS_SUCCESS)
+ {
+ for (i = 0; i < AllowedCount; i++)
+ {
+ if (AllowedList[i] == BcdLibraryInteger_UndocumentedMagic)
+ {
+ BlTimeQueryPerformanceCounter(&Frequency);
+ BlAppendBootOptionInteger(BootEntry,
+ BcdLibraryInteger_UndocumentedMagic,
+ Frequency.QuadPart);
+ }
+ }
+ }
+
+#if BL_BITLOCKER_SUPPORT
+ Status = BlFveSecureBootUnlockBootDevice(BootEntry, &BitLockerDevice,
&UnlockCode);
+#else
+ Status = STATUS_SUCCESS;
+#endif
+ if (!NT_SUCCESS(Status))
+ {
+ goto Quickie;
+ }
+
+ Status = BlGetBootOptionDevice(BootEntry->BcdData,
BcdLibraryDevice_ApplicationDevice, &Device, NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ goto Quickie;
+ }
+
+ Status = BlGetBootOptionString(BootEntry->BcdData,
BcdLibraryString_ApplicationPath, &Path);
+ if (!NT_SUCCESS(Status))
+ {
+ goto Quickie;
+ }
+
+ Status = BlpDeviceOpen(Device, BL_DEVICE_READ_ACCESS, 0, &DeviceId);
+ if (!NT_SUCCESS(Status))
+ {
+ goto Quickie;
+ }
+
+ BlImgQueryCodeIntegrityBootOptions(BootEntry, &DisableIntegrity,
&TestSigning);
+
+#if BL_TPM_SUPPORT
+ RtlZeroMemory(&Context, sizeof(Context);
+ Context.BootEntry = BootEntry;
+ BlEnNotifyEvent(0x10000003, &Context);
+#endif
+
+ Flags = 0;
+ if (!DisableIntegrity)
+ {
+ Flags = 0x8070;
+ }
+
+ Status = BlImgLoadPEImageEx(DeviceId, BlLoaderMemory, Path, &ImageBase,
&ImageSize, Hash, Flags);
+ if (!NT_SUCCESS(Status))
+ {
+ goto Quickie;
+ }
+
+#if BL_KD_SUPPORT
+ if (BdDebugTransitions)
+ {
+ BdForceDebug = 1;
+ Status = BlBdInitialize();
+ if (NT_SUCCESS(Status))
+ {
+ if (BlBdDebuggerEnabled())
+ {
+ BdDebuggerNotPresent = FALSE;
+ RtlInitUnicodeString(&PathString, Path);
+ BlBdLoadImageSymbols(&PathString, ImageBase);
+ }
+ }
+ }
+#endif
+
+#if BL_BITLOCKER_SUPPORT
+ Status = BlSecureBootCheckPolicyOnFveDevice(BitLockerDevice);
+#else
+ Status = STATUS_SUCCESS;
+#endif
+ if (!NT_SUCCESS(Status))
+ {
+ goto Quickie;
+ }
+
+#if BL_BITLOCKER_SUPPORT
+ Status = BlFveSecureBootCheckpointBootApp(BootEntry, BitLockerDevice,
Hash, UnlockCode);
+#else
+Status = STATUS_SUCCESS;
+#endif
+ if (!NT_SUCCESS(Status))
+ {
+ goto Quickie;
+ }
+
+ ListSize = BlGetBootOptionListSize(BootEntry->BcdData);
+
+ AppEntry = BlMmAllocateHeap(ListSize + sizeof(*AppEntry));
+ if (!AppEntry)
+ {
+ Status = STATUS_NO_MEMORY;
+ goto Quickie;
+ }
+
+ RtlZeroMemory(AppEntry, sizeof(AppEntry));
+
+ strcpy(AppEntry->Signature, "BTAPENT");
+ AppEntry->Guid = BootEntry->Guid;
+ AppEntry->Flags = BootEntry->Flags;
+ RtlCopyMemory(&AppEntry->BcdData, BootEntry->BcdData, ListSize);
+
+
+ ImageAppEntry = BlMmAllocateHeap(sizeof(*ImageAppEntry));
+ ImageAppEntry->ImageBase = ImageBase;
+ ImageAppEntry->ImageSize = ImageSize;
+ ImageAppEntry->AppEntry = AppEntry;
+
+ if (!IapTableEntries)
+ {
+ IapAllocatedTableEntries = 0;
+ IapTableEntries = 2;
+ IapImageTable = BlMmAllocateHeap(IapTableEntries * sizeof(PVOID));
+ if (!IapImageTable)
+ {
+ Status = STATUS_NO_MEMORY;
+ goto Quickie;
+ }
+
+ RtlZeroMemory(IapImageTable, sizeof(IapTableEntries * sizeof(PVOID)));
+ }
+
+ Status = BlTblSetEntry(&IapImageTable,
+ &IapTableEntries,
+ ImageAppEntry,
+ AppHandle,
+ TblDoNotPurgeEntry);
+
+Quickie:
+ if (DeviceId != 1)
+ {
+ BlDeviceClose(DeviceId);
+ }
+
+ if (Device)
+ {
+ BlMmFreeHeap(Device);
+ }
+
+ if (Path)
+ {
+ BlMmFreeHeap(Path);
+ }
+
+ if (BitLockerDevice)
+ {
+ BlMmFreeHeap(BitLockerDevice);
+ }
+
+ if (UnlockCode)
+ {
+ BlMmFreeHeap(UnlockCode);
+ }
+
+ if (NT_SUCCESS(Status))
+ {
+ IapAllocatedTableEntries++;
+ }
+ else
+ {
+ if (ImageBase)
+ {
+ BlImgUnLoadImage(ImageBase, ImageSize, 0);
+ }
+
+ if (AppEntry)
+ {
+ BlMmFreeHeap(AppEntry);
+ }
+
+ if (ImageFile)
+ {
+ BlMmFreeHeap(ImageFile);
+ }
+
+ if (!(IapAllocatedTableEntries) && (IapImageTable))
+ {
+ BlMmFreeHeap(IapImageTable);
+ IapTableEntries = 0;
+ IapImageTable = NULL;
+ }
+ }
+
+ return Status;
+}
+
+NTSTATUS
+BlpPdParseReturnArguments (
+ _In_ PBL_RETURN_ARGUMENTS ReturnArguments
+ )
+{
+ if (ReturnArguments->DataPage == 0)
+ {
+ return STATUS_SUCCESS;
+ }
+
+ EfiPrintf(L"Return arguments not supported\r\n");
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+BlImgStartBootApplication (
+ _In_ ULONG AppHandle,
+ _Inout_opt_ PBL_RETURN_ARGUMENTS ReturnArguments
+ )
+{
+ PBL_IMAGE_APPLICATION_ENTRY ImageAppEntry;
+ BL_RETURN_ARGUMENTS LocalReturnArgs;
+ PBL_FILE_SYSTEM_ENTRY FileSystem;
+ PLIST_ENTRY NextEntry, ListHead;
+ NTSTATUS Status;
+
+ if (!ReturnArguments)
+ {
+ LocalReturnArgs.Version = 1;
+ LocalReturnArgs.Status = STATUS_SUCCESS;
+ LocalReturnArgs.Flags = 0;
+ LocalReturnArgs.DataPage = 0;
+ LocalReturnArgs.DataSize = 0;
+
+ ReturnArguments = &LocalReturnArgs;
+ }
+
+
+ if (IapTableEntries <= AppHandle)
+ {
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ ImageAppEntry = IapImageTable[AppHandle];
+ if (!ImageAppEntry)
+ {
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ ListHead = &RegisteredFileSystems;
+ NextEntry = RegisteredFileSystems.Flink;
+ while (NextEntry != ListHead)
+ {
+ FileSystem = CONTAINING_RECORD(NextEntry, BL_FILE_SYSTEM_ENTRY,
ListEntry);
+
+ if (FileSystem->PurgeCallback)
+ {
+ FileSystem->PurgeCallback();
+ }
+
+ NextEntry = NextEntry->Flink;
+ }
+
+ /* TODO */
+ //BlockIoPurgeCache();
+
+ Status = ImgArchEfiStartBootApplication(ImageAppEntry->AppEntry,
+ ImageAppEntry->ImageBase,
+ ImageAppEntry->ImageSize,
+ ReturnArguments);
+
+ BlpPdParseReturnArguments(ReturnArguments);
+
+#if BL_BITLOCKER_SUPPORT
+ FvebpCheckAllPartitions(TRUE);
+#endif
+
+#if BL_TPM_SUPPORT
+ BlEnNotifyEvent(0x10000005, NULL);
+#endif
+
+ /* TODO */
+ //BlpDisplayReinitialize();
+
+ /* TODO */
+ //BlpLogInitialize();
+
+ return Status;
+}
+
+NTSTATUS
+BlImgUnloadBootApplication (
+ _In_ ULONG AppHandle
+ )
+{
+ PBL_IMAGE_APPLICATION_ENTRY ImageAppEntry; // esi@2
+ NTSTATUS Status;
+
+ if (IapTableEntries <= AppHandle)
+ {
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ ImageAppEntry = IapImageTable[AppHandle];
+ if (!ImageAppEntry)
+ {
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ Status = BlImgUnLoadImage(ImageAppEntry->ImageBase,
+ ImageAppEntry->ImageSize,
+ 0);
+ if (NT_SUCCESS(Status))
+ {
+ Status = STATUS_SUCCESS;
+ }
+ else
+ {
+ Status = STATUS_MEMORY_NOT_ALLOCATED;
+ }
+
+ BlMmFreeHeap(ImageAppEntry->AppEntry);
+ BlMmFreeHeap(ImageAppEntry);
+
+ IapImageTable[AppHandle] = NULL;
+
+ if (!(--IapAllocatedTableEntries))
+ {
+ BlMmFreeHeap(IapImageTable);
+ IapImageTable = NULL;
+ IapTableEntries = 0;
+ }
+
+ return Status;
+}
Modified: trunk/reactos/boot/environ/lib/platform/time.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/environ/lib/platform/time.c?rev=70621&r1=70620&r2=70621&view=diff
==============================================================================
--- trunk/reactos/boot/environ/lib/platform/time.c [iso-8859-1] (original)
+++ trunk/reactos/boot/environ/lib/platform/time.c [iso-8859-1] Wed Jan 20
01:28:50 2016
@@ -87,3 +87,19 @@
/* On other systems, compute it */
return BlpTimeMeasureTscFrequency();
}
+
+ULONGLONG
+BlTimeQueryPerformanceCounter (
+ _Out_opt_ PLARGE_INTEGER Frequency
+ )
+{
+ /* Check if caller wants frequency */
+ if (Frequency)
+ {
+ /* Return it */
+ Frequency->QuadPart = BlpTimePerformanceFrequency;
+ }
+
+ /* Return the TSC value */
+ return __rdtsc();
+};
