[hpoussin] 45815: [freeldr] Add some functions to read partition tables Add some stubs, link to mini-HAL
3 Mar
2010
3 Mar
'10
10:59 p.m.
Author: hpoussin
Date: Wed Mar 3 23:59:32 2010
New Revision: 45815
URL: http://svn.reactos.org/svn/reactos?rev=45815&view=rev
Log:
[freeldr] Add some functions to read partition tables
Add some stubs, link to mini-HAL
Added:
trunk/reactos/boot/freeldr/freeldr/arch/i386/halstub.c (with props)
trunk/reactos/boot/freeldr/freeldr/arch/i386/ntoskrnl.c (with props)
trunk/reactos/boot/freeldr/freeldr/include/ntoskrnl.h (with props)
Modified:
trunk/reactos/boot/freeldr/freeldr/arch/i386/loader.c
trunk/reactos/boot/freeldr/freeldr/disk/partition.c
trunk/reactos/boot/freeldr/freeldr/freeldr.rbuild
trunk/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild
trunk/reactos/boot/freeldr/freeldr/include/freeldr.h
Added: trunk/reactos/boot/freeldr/freeldr/arch/i386/halstub.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/halstub.c (added)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/halstub.c [iso-8859-1] Wed Mar 3
23:59:32 2010
@@ -1,0 +1,97 @@
+/*
+* PROJECT: ReactOS Kernel
+* LICENSE: GPL - See COPYING in the top level directory
+* FILE: boot/freeldr/freeldr/arch/i386/hal/halstub.c
+* PURPOSE: I/O Stub HAL Routines
+* PROGRAMMERS: Alex Ionescu (alex.ionescu(a)reactos.org)
+*/
+
+/* INCLUDES ******************************************************************/
+
+#include <ntoskrnl.h>
+#define NDEBUG
+#include <debug.h>
+
+/* FUNCTIONS *****************************************************************/
+
+NTSTATUS
+FASTCALL
+xHalIoReadPartitionTable(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG SectorSize,
+ IN BOOLEAN ReturnRecognizedPartitions,
+ OUT PDRIVE_LAYOUT_INFORMATION *PartitionBuffer)
+{
+ return IoReadPartitionTable(DeviceObject,
+ SectorSize,
+ ReturnRecognizedPartitions,
+ PartitionBuffer);
+}
+
+UCHAR
+NTAPI
+xHalVectorToIDTEntry(IN ULONG Vector)
+{
+ /* Return the vector */
+ return Vector;
+}
+
+VOID
+NTAPI
+xHalHaltSystem(VOID)
+{
+ /* Halt execution */
+ while (TRUE);
+}
+
+/* GLOBALS *******************************************************************/
+
+HAL_DISPATCH HalDispatchTable =
+{
+ HAL_DISPATCH_VERSION,
+ (pHalQuerySystemInformation)NULL,
+ (pHalSetSystemInformation)NULL,
+ (pHalQueryBusSlots)NULL,
+ 0,
+ (pHalExamineMBR)NULL,
+ (pHalIoAssignDriveLetters)NULL,
+ (pHalIoReadPartitionTable)xHalIoReadPartitionTable,
+ (pHalIoSetPartitionInformation)NULL,
+ (pHalIoWritePartitionTable)NULL,
+ (pHalHandlerForBus)NULL,
+ (pHalReferenceBusHandler)NULL,
+ (pHalReferenceBusHandler)NULL,
+ (pHalInitPnpDriver)NULL,
+ (pHalInitPowerManagement)NULL,
+ (pHalGetDmaAdapter)NULL,
+ (pHalGetInterruptTranslator)NULL,
+ (pHalStartMirroring)NULL,
+ (pHalEndMirroring)NULL,
+ (pHalMirrorPhysicalMemory)NULL,
+ (pHalEndOfBoot)NULL,
+ (pHalMirrorVerify)NULL
+};
+
+HAL_PRIVATE_DISPATCH HalPrivateDispatchTable =
+{
+ HAL_PRIVATE_DISPATCH_VERSION,
+ (pHalHandlerForBus)NULL,
+ (pHalHandlerForConfigSpace)NULL,
+ (pHalLocateHiberRanges)NULL,
+ (pHalRegisterBusHandler)NULL,
+ (pHalSetWakeEnable)NULL,
+ (pHalSetWakeAlarm)NULL,
+ (pHalTranslateBusAddress)NULL,
+ (pHalAssignSlotResources)NULL,
+ (pHalHaltSystem)xHalHaltSystem,
+ (pHalFindBusAddressTranslation)NULL,
+ (pHalResetDisplay)NULL,
+ (pHalAllocateMapRegisters)NULL,
+ (pKdSetupPciDeviceForDebugging)NULL,
+ (pKdReleasePciDeviceForDebugging)NULL,
+ (pKdGetAcpiTablePhase0)NULL,
+ (pKdCheckPowerButton)NULL,
+ (pHalVectorToIDTEntry)xHalVectorToIDTEntry,
+ (pKdMapPhysicalMemory64)NULL,
+ (pKdUnmapVirtualAddress)NULL
+};
Propchange: trunk/reactos/boot/freeldr/freeldr/arch/i386/halstub.c
------------------------------------------------------------------------------
svn:eol-style = native
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/loader.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/loader.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/loader.c [iso-8859-1] Wed Mar 3 23:59:32
2010
@@ -17,7 +17,6 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _NTSYSTEM_
#include <freeldr.h>
#define NDEBUG
Added: trunk/reactos/boot/freeldr/freeldr/arch/i386/ntoskrnl.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/ntoskrnl.c (added)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/ntoskrnl.c [iso-8859-1] Wed Mar 3
23:59:32 2010
@@ -1,0 +1,114 @@
+#include <ntoskrnl.h>
+#define NDEBUG
+#include <arch.h>
+
+VOID
+NTAPI
+KeInitializeEvent(
+ IN PRKEVENT Event,
+ IN EVENT_TYPE Type,
+ IN BOOLEAN State)
+{
+}
+
+VOID
+FASTCALL
+KiAcquireSpinLock(
+ IN PKSPIN_LOCK SpinLock)
+{
+}
+
+VOID
+FASTCALL
+KiReleaseSpinLock(
+ IN PKSPIN_LOCK SpinLock)
+{
+}
+
+VOID
+NTAPI
+KeSetTimeIncrement(
+ IN ULONG MaxIncrement,
+ IN ULONG MinIncrement)
+{
+}
+
+NTKERNELAPI
+VOID
+FASTCALL
+IoAssignDriveLetters(
+ IN struct _LOADER_PARAMETER_BLOCK *LoaderBlock,
+ IN PSTRING NtDeviceName,
+ OUT PUCHAR NtSystemPath,
+ OUT PSTRING NtSystemPathString)
+{
+}
+
+NTKERNELAPI
+NTSTATUS
+FASTCALL
+IoSetPartitionInformation(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG SectorSize,
+ IN ULONG PartitionNumber,
+ IN ULONG PartitionType)
+{
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+NTKERNELAPI
+NTSTATUS
+FASTCALL
+IoWritePartitionTable(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG SectorSize,
+ IN ULONG SectorsPerTrack,
+ IN ULONG NumberOfHeads,
+ IN struct _DRIVE_LAYOUT_INFORMATION *PartitionBuffer)
+{
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+NTHALAPI
+VOID
+NTAPI
+KeStallExecutionProcessor(
+ IN ULONG MicroSeconds)
+{
+ REGS Regs;
+ ULONG usec_this;
+
+ // Int 15h AH=86h
+ // BIOS - WAIT (AT,PS)
+ //
+ // AH = 86h
+ // CX:DX = interval in microseconds
+ // Return:
+ // CF clear if successful (wait interval elapsed)
+ // CF set on error or AH=83h wait already in progress
+ // AH = status (see #00496)
+
+ // Note: The resolution of the wait period is 977 microseconds on
+ // many systems because many BIOSes use the 1/1024 second fast
+ // interrupt from the AT real-time clock chip which is available on INT 70;
+ // because newer BIOSes may have much more precise timers available, it is
+ // not possible to use this function accurately for very short delays unless
+ // the precise behavior of the BIOS is known (or found through testing)
+
+ while (MicroSeconds)
+ {
+ usec_this = MicroSeconds;
+
+ if (usec_this > 4000000)
+ {
+ usec_this = 4000000;
+ }
+
+ Regs.b.ah = 0x86;
+ Regs.w.cx = usec_this >> 16;
+ Regs.w.dx = usec_this & 0xffff;
+ Int386(0x15, &Regs, &Regs);
+
+ MicroSeconds -= usec_this;
+ }
+}
Propchange: trunk/reactos/boot/freeldr/freeldr/arch/i386/ntoskrnl.c
------------------------------------------------------------------------------
svn:eol-style = native
Modified: trunk/reactos/boot/freeldr/freeldr/disk/partition.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/disk/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/disk/partition.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/disk/partition.c [iso-8859-1] Wed Mar 3 23:59:32
2010
@@ -240,4 +240,152 @@
return TRUE;
}
+NTSTATUS
+NTAPI
+IopReadBootRecord(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN ULONGLONG LogicalSectorNumber,
+ IN ULONG SectorSize,
+ OUT PMASTER_BOOT_RECORD BootRecord)
+{
+ ULONG FileId = (ULONG)DeviceObject;
+ LARGE_INTEGER Position;
+ ULONG BytesRead;
+ ULONG Status;
+
+ Position.QuadPart = LogicalSectorNumber * SectorSize;
+ Status = ArcSeek(FileId, &Position, SeekAbsolute);
+ if (Status != ESUCCESS)
+ return STATUS_IO_DEVICE_ERROR;
+
+ Status = ArcRead(FileId, BootRecord, SectorSize, &BytesRead);
+ if (Status != ESUCCESS || BytesRead != SectorSize)
+ return STATUS_IO_DEVICE_ERROR;
+
+ return STATUS_SUCCESS;
+}
+
+BOOLEAN
+NTAPI
+IopCopyPartitionRecord(
+ IN BOOLEAN ReturnRecognizedPartitions,
+ IN ULONG SectorSize,
+ IN PPARTITION_TABLE_ENTRY PartitionTableEntry,
+ OUT PARTITION_INFORMATION *PartitionEntry)
+{
+ BOOLEAN IsRecognized;
+
+ IsRecognized = TRUE; /* FIXME */
+ if (!IsRecognized && ReturnRecognizedPartitions)
+ return FALSE;
+
+ PartitionEntry->StartingOffset.QuadPart =
(ULONGLONG)PartitionTableEntry->SectorCountBeforePartition * SectorSize;
+ PartitionEntry->PartitionLength.QuadPart =
(ULONGLONG)PartitionTableEntry->PartitionSectorCount * SectorSize;
+ PartitionEntry->HiddenSectors = 0;
+ PartitionEntry->PartitionNumber = 0; /* Will be filled later */
+ PartitionEntry->PartitionType = PartitionTableEntry->SystemIndicator;
+ PartitionEntry->BootIndicator = (PartitionTableEntry->BootIndicator & 0x80)
? TRUE : FALSE;
+ PartitionEntry->RecognizedPartition = IsRecognized;
+ PartitionEntry->RewritePartition = FALSE;
+
+ return TRUE;
+}
+
+NTKERNELAPI
+NTSTATUS
+FASTCALL
+IoReadPartitionTable(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG SectorSize,
+ IN BOOLEAN ReturnRecognizedPartitions,
+ OUT PDRIVE_LAYOUT_INFORMATION *PartitionBuffer)
+{
+ PMASTER_BOOT_RECORD MasterBootRecord;
+ PDRIVE_LAYOUT_INFORMATION Partitions;
+ ULONG NbPartitions, i, Size;
+ NTSTATUS ret;
+
+ *PartitionBuffer = NULL;
+
+ if (SectorSize < sizeof(MASTER_BOOT_RECORD))
+ return STATUS_NOT_SUPPORTED;
+
+ MasterBootRecord = ExAllocatePool(NonPagedPool, SectorSize);
+ if (!MasterBootRecord)
+ return STATUS_NO_MEMORY;
+
+ /* Read disk MBR */
+ ret = IopReadBootRecord(DeviceObject, 0, SectorSize, MasterBootRecord);
+ if (!NT_SUCCESS(ret))
+ {
+ ExFreePool(MasterBootRecord);
+ return ret;
+ }
+
+ /* Check validity of boot record */
+ if (MasterBootRecord->MasterBootRecordMagic != 0xaa55)
+ {
+ ExFreePool(MasterBootRecord);
+ return STATUS_NOT_SUPPORTED;
+ }
+
+ /* Count number of partitions */
+ NbPartitions = 0;
+ for (i = 0; i < 4; i++)
+ {
+ NbPartitions++;
+
+ if (MasterBootRecord->PartitionTable[i].SystemIndicator == PARTITION_EXTENDED
||
+ MasterBootRecord->PartitionTable[i].SystemIndicator ==
PARTITION_XINT13_EXTENDED)
+ {
+ /* FIXME: unhandled case; count number of partitions */
+ UNIMPLEMENTED;
+ }
+ }
+
+ if (NbPartitions == 0)
+ {
+ ExFreePool(MasterBootRecord);
+ return STATUS_NOT_SUPPORTED;
+ }
+
+ /* Allocation space to store partitions */
+ Size = FIELD_OFFSET(DRIVE_LAYOUT_INFORMATION, PartitionEntry) +
+ NbPartitions * sizeof(PARTITION_INFORMATION);
+ Partitions = ExAllocatePool(NonPagedPool, Size);
+ if (!Partitions)
+ {
+ ExFreePool(MasterBootRecord);
+ return STATUS_NO_MEMORY;
+ }
+
+ /* Count number of partitions */
+ NbPartitions = 0;
+ for (i = 0; i < 4; i++)
+ {
+ if (IopCopyPartitionRecord(ReturnRecognizedPartitions,
+ SectorSize,
+ &MasterBootRecord->PartitionTable[i],
+ &Partitions->PartitionEntry[NbPartitions]))
+ {
+ Partitions->PartitionEntry[NbPartitions].PartitionNumber = NbPartitions +
1;
+ NbPartitions++;
+ }
+
+ if (MasterBootRecord->PartitionTable[i].SystemIndicator == PARTITION_EXTENDED
||
+ MasterBootRecord->PartitionTable[i].SystemIndicator ==
PARTITION_XINT13_EXTENDED)
+ {
+ /* FIXME: unhandled case; copy partitions */
+ UNIMPLEMENTED;
+ }
+ }
+
+ Partitions->PartitionCount = NbPartitions;
+ Partitions->Signature = MasterBootRecord->Signature;
+ ExFreePool(MasterBootRecord);
+
+ *PartitionBuffer = Partitions;
+ return STATUS_SUCCESS;
+}
+
#endif
Modified: trunk/reactos/boot/freeldr/freeldr/freeldr.rbuild
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/freel…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/freeldr.rbuild [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/freeldr.rbuild [iso-8859-1] Wed Mar 3 23:59:32
2010
@@ -7,6 +7,7 @@
<library>freeldr_startup</library>
<library>freeldr_base64k</library>
<library>freeldr_base</library>
+ <library>mini_hal</library>
<library>freeldr_arch</library>
<library>freeldr_main</library>
<library>rossym</library>
Modified: trunk/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/freel…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/freeldr_arch.rbuild [iso-8859-1] Wed Mar 3
23:59:32 2010
@@ -7,6 +7,7 @@
<include base="ReactOS">include/reactos/libs</include>
<include base="ReactOS">include/reactos/elf</include>
<define name="_NTHAL_" />
+ <define name="_NTSYSTEM_" />
<directory name="arch">
<directory name="i386">
<if property="ARCH" value="i386">
@@ -14,6 +15,7 @@
<file>archmach.c</file>
<file>custom.c</file>
<file>drivemap.c</file>
+ <file>halstub.c</file>
<file>hardware.c</file>
<file>hwacpi.c</file>
<file>hwapm.c</file>
@@ -24,6 +26,7 @@
<file>loader.c</file>
<file>machpc.c</file>
<file>miscboot.c</file>
+ <file>ntoskrnl.c</file>
<file>pccons.c</file>
<file>pcdisk.c</file>
<file>pcmem.c</file>
Modified: trunk/reactos/boot/freeldr/freeldr/include/freeldr.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/inclu…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/include/freeldr.h [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/include/freeldr.h [iso-8859-1] Wed Mar 3 23:59:32
2010
@@ -60,6 +60,8 @@
#include <reactos.h>
#include <registry.h>
#include <winldr.h>
+#include <ntdddisk.h>
+#include <internal/hal.h>
/* file system headers */
#include <fs/ext2.h>
#include <fs/fat.h>
Added: trunk/reactos/boot/freeldr/freeldr/include/ntoskrnl.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/inclu…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/include/ntoskrnl.h (added)
+++ trunk/reactos/boot/freeldr/freeldr/include/ntoskrnl.h [iso-8859-1] Wed Mar 3 23:59:32
2010
@@ -1,0 +1,19 @@
+#include <ntdef.h>
+#undef _NTHAL_
+#undef DECLSPEC_IMPORT
+#define DECLSPEC_IMPORT
+#undef NTSYSAPI
+#define NTSYSAPI
+
+#include <wdm.h>
+
+typedef GUID UUID;
+
+/* Windows Device Driver Kit */
+#include <winddk.h>
+#include <ndk/haltypes.h>
+
+/* Disk stuff */
+typedef PVOID PLOADER_PARAMETER_BLOCK;
+#include <ntdddisk.h>
+#include <internal/hal.h>
Propchange: trunk/reactos/boot/freeldr/freeldr/include/ntoskrnl.h
------------------------------------------------------------------------------
svn:eol-style = native
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