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[FREELDR] Add ATA/ATAPI driver. (#2167)

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CORE-16220 CORE-16216

* Create a new driver.
* Use the functions from the library in xboxdisk.c

Driver now supports PC, Xbox and NEC PC-98.

Co-Authored-By: Hermès Bélusca-Maïto <hermes.belusca-maito@reactos.org>
This commit is contained in:
Dmitry Borisov 2019-12-23 03:52:40 +06:00 committed by Hermès Bélusca-Maïto
parent 7789ce1ebc
commit 9a12473280
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GPG key ID: 3B2539C65E7B93D0
6 changed files with 1251 additions and 475 deletions
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1
boot/freeldr/freeldr/CMakeLists.txt
View file

@ -66,6 +66,7 @@ list(APPEND FREELDR_NTLDR_SOURCE
list(APPEND FREELDR_ARC_SOURCE
arcname.c
arch/drivers/hwide.c
arch/arcemul.c
arch/archwsup.c
disk/disk.c

822
boot/freeldr/freeldr/arch/drivers/hwide.c Normal file
View file

@ -0,0 +1,822 @@
/*
* PROJECT: FreeLoader
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: ATA/ATAPI polled I/O driver.
* COPYRIGHT: Copyright 2019 Dmitry Borisov (di.sean@protonmail.com)
*/
/* INCLUDES *******************************************************************/
#include <freeldr.h>
#include <hwide.h>
/* DDK */
#include <ata.h>
#include <scsi.h>
#include <debug.h>
DBG_DEFAULT_CHANNEL(DISK);
/* GLOBALS ********************************************************************/
#define TAG_ATA_DEVICE 'DatA'
#define ATAPI_PACKET_SIZE(IdentifyData) (IdentifyData.AtapiCmdSize ? 16 : 12)
/* Used in WaitForFlags() and should be 31 seconds (31e5), but it's too much for polled I/O */
#define ATA_STATUS_TIMEOUT 36000
#define ATA_READ_TIMEOUT 4e5
#define AtaWritePort(Channel, Port, Data) \
WRITE_PORT_UCHAR(UlongToPtr(BaseArray[(Channel)] + (Port)), (Data))
#define AtaReadPort(Channel, Port) \
READ_PORT_UCHAR(UlongToPtr(BaseArray[(Channel)] + (Port)))
#define AtaWriteBuffer(Channel, Buffer, Count) \
WRITE_PORT_BUFFER_USHORT(UlongToPtr(BaseArray[(Channel)] + IDX_IO1_o_Data), \
(PUSHORT)(Buffer), (Count)/sizeof(USHORT))
#define AtaReadBuffer(Channel, Buffer, Count) \
READ_PORT_BUFFER_USHORT(UlongToPtr(BaseArray[(Channel)] + IDX_IO1_i_Data), \
(PUSHORT)(Buffer), (Count)/sizeof(USHORT))
/* IDE/ATA Channels base - Primary, Secondary, Tertiary, Quaternary */
static const ULONG BaseArray[] =
{
#if defined(SARCH_XBOX)
0x1F0
#elif defined(SARCH_PC98)
0x640, 0x640
#else
0x1F0, 0x170, 0x1E8, 0x168
#endif
};
#define MAX_CHANNELS RTL_NUMBER_OF(BaseArray)
#define MAX_DEVICES 2 /* Master/Slave */
static PDEVICE_UNIT Units[MAX_CHANNELS * MAX_DEVICES];
/* PRIVATE PROTOTYPES *********************************************************/
static
BOOLEAN
WaitForFlags(
IN UCHAR Channel,
IN UCHAR Flags,
IN UCHAR ExpectedValue,
IN ULONG Timeout
);
static
BOOLEAN
SelectDevice(
IN UCHAR Channel,
IN UCHAR DeviceNumber
);
static
BOOLEAN
IdentifyDevice(
IN UCHAR Channel,
IN UCHAR DeviceNumber,
OUT PDEVICE_UNIT *DeviceUnit
);
static
BOOLEAN
AtapiReadyCheck(
IN OUT PDEVICE_UNIT DeviceUnit
);
static
BOOLEAN
AtapiReadLogicalSectorLBA(
IN PDEVICE_UNIT DeviceUnit,
IN ULONGLONG SectorNumber,
OUT PVOID Buffer
);
static
BOOLEAN
AtaReadLogicalSectorsLBA(
IN PDEVICE_UNIT DeviceUnit,
IN ULONGLONG SectorNumber,
IN ULONG SectorCount,
OUT PVOID Buffer
);
/* FUNCTIONS ******************************************************************/
/* Don't call this before running the system timer calibration and MM initialization */
BOOLEAN
AtaInit(OUT PUCHAR DetectedCount)
{
UCHAR Channel, DeviceNumber;
PDEVICE_UNIT DeviceUnit = NULL;
TRACE("AtaInit()\n");
*DetectedCount = 0;
RtlZeroMemory(&Units, sizeof(Units));
/* Detect and enumerate ATA/ATAPI devices */
for (Channel = 0; Channel < MAX_CHANNELS; ++Channel)
{
for (DeviceNumber = 0; DeviceNumber < MAX_DEVICES; ++DeviceNumber)
{
if (IdentifyDevice(Channel, DeviceNumber, &DeviceUnit))
{
Units[(*DetectedCount)++] = DeviceUnit;
}
}
}
return (*DetectedCount > 0);
}
VOID
AtaFree(VOID)
{
UCHAR i;
for (i = 0; i < RTL_NUMBER_OF(Units); ++i)
{
if (Units[i])
FrLdrTempFree(Units[i], TAG_ATA_DEVICE);
}
}
PDEVICE_UNIT
AtaGetDevice(IN UCHAR UnitNumber)
{
if (UnitNumber < RTL_NUMBER_OF(Units))
return Units[UnitNumber];
else
return NULL;
}
BOOLEAN
AtaAtapiReadLogicalSectorsLBA(
IN OUT PDEVICE_UNIT DeviceUnit,
IN ULONGLONG SectorNumber,
IN ULONG SectorCount,
OUT PVOID Buffer)
{
UCHAR RetryCount;
BOOLEAN Success;
if (DeviceUnit == NULL || SectorCount == 0)
return FALSE;
if (DeviceUnit->Flags & ATA_DEVICE_ATAPI)
{
if ((DeviceUnit->Flags & ATA_DEVICE_NO_MEDIA) || (DeviceUnit->Flags & ATA_DEVICE_NOT_READY))
{
/* Retry 4 times */
for (RetryCount = 0; RetryCount < 4; ++RetryCount)
{
/* Make the device ready */
if (AtapiReadyCheck(DeviceUnit))
break;
}
if (RetryCount >= 4)
{
ERR("AtaAtapiReadLogicalSectorsLBA(): Device not ready.\n");
return FALSE;
}
}
if (SectorNumber + SectorCount > DeviceUnit->TotalSectors + 1)
{
ERR("AtaAtapiReadLogicalSectorsLBA(): Attempt to read more than there is to read.\n");
return FALSE;
}
while (SectorCount > 0)
{
/* Read a single sector */
Success = AtapiReadLogicalSectorLBA(DeviceUnit, SectorNumber, Buffer);
if (!Success)
return FALSE;
--SectorCount;
++SectorNumber;
Buffer = (PVOID)((ULONG_PTR)Buffer + DeviceUnit->SectorSize);
}
}
else
{
/* Retry 3 times */
for (RetryCount = 0; RetryCount < 3; ++RetryCount)
{
/* Read a multiple sectors */
Success = AtaReadLogicalSectorsLBA(DeviceUnit, SectorNumber, SectorCount, Buffer);
if (Success)
return TRUE;
}
return FALSE;
}
return TRUE;
}
static
BOOLEAN
AtaReadLogicalSectorsLBA(
IN PDEVICE_UNIT DeviceUnit,
IN ULONGLONG SectorNumber,
IN ULONG SectorCount,
OUT PVOID Buffer)
{
UCHAR Command;
ULONG ChsTemp;
USHORT Cylinder;
UCHAR Head;
UCHAR Sector;
ULONG BlockCount;
ULONG RemainingBlockCount;
ULONGLONG Lba;
BOOLEAN UseLBA48;
UseLBA48 = (DeviceUnit->Flags & ATA_DEVICE_LBA48) &&
(((SectorNumber + SectorCount) >= UINT64_C(0x0FFFFF80)) || SectorCount > 256);
while (SectorCount > 0)
{
/* Prevent sector count overflow, divide it into maximum possible chunks and loop each one */
if (UseLBA48)
BlockCount = min(SectorCount, USHRT_MAX);
else
BlockCount = min(SectorCount, UCHAR_MAX);
/* Convert LBA into a format CHS if needed */
if (DeviceUnit->Flags & ATA_DEVICE_CHS)
{
ChsTemp = DeviceUnit->IdentifyData.SectorsPerTrack * DeviceUnit->IdentifyData.NumberOfHeads;
if (ChsTemp)
{
Cylinder = SectorNumber / ChsTemp;
Head = (SectorNumber % ChsTemp) / DeviceUnit->IdentifyData.SectorsPerTrack;
Sector = (SectorNumber % DeviceUnit->IdentifyData.SectorsPerTrack) + 1;
}
else
{
Cylinder = 0;
Head = 0;
Sector = 1;
}
Lba = (Sector & 0xFF) | ((Cylinder & 0xFFFFF) << 8) | ((Head & 0x0F) << 24);
}
else
{
Lba = SectorNumber;
}
/* Select the drive */
if (!SelectDevice(DeviceUnit->Channel, DeviceUnit->DeviceNumber))
return FALSE;
/* Disable interrupts */
#ifndef SARCH_PC98
AtaWritePort(DeviceUnit->Channel, IDX_IO2_o_AltStatus, IDE_DC_DISABLE_INTERRUPTS);
StallExecutionProcessor(1);
#endif
if (UseLBA48)
{
/* FIFO */
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_Feature, 0);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_Feature, ATA_PIO);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_BlockCount, (BlockCount & 0xFF) >> 8);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_BlockCount, BlockCount & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_BlockNumber, (Lba >> 24) & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_BlockNumber, Lba & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_CylinderLow, (Lba >> 32) & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_CylinderLow, (Lba >> 8) & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_CylinderHigh, (Lba >> 40) & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_CylinderHigh, (Lba >> 16) & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_DriveSelect,
IDE_USE_LBA | (DeviceUnit->DeviceNumber ? IDE_DRIVE_2 : IDE_DRIVE_1));
Command = IDE_COMMAND_READ_EXT;
}
else
{
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_Feature, ATA_PIO);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_BlockCount, BlockCount & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_BlockNumber, Lba & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_CylinderLow, (Lba >> 8) & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_CylinderHigh, (Lba >> 16) & 0xFF);
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_DriveSelect,
((Lba >> 24) & 0x0F) |
(DeviceUnit->Flags & ATA_DEVICE_CHS ? 0x00 : IDE_USE_LBA) |
(DeviceUnit->DeviceNumber ? IDE_DRIVE_SELECT_2 : IDE_DRIVE_SELECT_1));
Command = IDE_COMMAND_READ;
}
/* Send read command */
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_Command, Command);
StallExecutionProcessor(5);
for (RemainingBlockCount = BlockCount; RemainingBlockCount > 0; --RemainingBlockCount)
{
/* Wait for ready to transfer data block */
if (!WaitForFlags(DeviceUnit->Channel, (IDE_STATUS_BUSY | IDE_STATUS_DRQ | IDE_STATUS_ERROR),
IDE_STATUS_DRQ, ATA_READ_TIMEOUT))
{
ERR("AtaReadLogicalSectorsLBA() failed. Status: 0x%02x, Error: 0x%02x\n",
AtaReadPort(DeviceUnit->Channel, IDX_IO1_i_Status),
AtaReadPort(DeviceUnit->Channel, IDX_IO1_i_Error));
return FALSE;
}
/* Transfer the data block */
AtaReadBuffer(DeviceUnit->Channel, Buffer, DeviceUnit->SectorSize);
Buffer = (PVOID)((ULONG_PTR)Buffer + DeviceUnit->SectorSize);
}
SectorNumber += BlockCount;
SectorCount -= BlockCount;
}
return TRUE;
}
static
BOOLEAN
AtaSendAtapiPacket(
IN UCHAR Channel,
IN PUCHAR AtapiPacket,
IN UCHAR PacketSize,
IN USHORT ByteCount)
{
/* No DRQ for TEST UNIT READY */
BOOLEAN NoData = (AtapiPacket[0] == SCSIOP_TEST_UNIT_READY);
UCHAR ExpectedFlags = NoData ? IDE_STATUS_DRDY : (IDE_STATUS_DRQ | IDE_STATUS_DRDY);
/* PIO mode */
AtaWritePort(Channel, IDX_ATAPI_IO1_o_Feature, ATA_PIO);
/* Maximum byte count that is to be transferred */
AtaWritePort(Channel, IDX_ATAPI_IO1_o_ByteCountLow, ByteCount & 0xFF);
AtaWritePort(Channel, IDX_ATAPI_IO1_o_ByteCountHigh, (ByteCount >> 8) & 0xFF);
/* Prepare to transfer a device command via a command packet */
AtaWritePort(Channel, IDX_ATAPI_IO1_o_Command, IDE_COMMAND_ATAPI_PACKET);
StallExecutionProcessor(50);
if (!WaitForFlags(Channel, (IDE_STATUS_BUSY | IDE_STATUS_DRQ | IDE_STATUS_ERROR),
IDE_STATUS_DRQ, NoData ? ATA_STATUS_TIMEOUT : ATA_READ_TIMEOUT))
{
ERR("AtaSendAtapiPacket(0x%x) failed. A device error occurred Status: 0x%02x, Error: 0x%02x\n",
AtapiPacket[0], AtaReadPort(Channel, IDX_ATAPI_IO1_i_Status), AtaReadPort(Channel, IDX_ATAPI_IO1_i_Error));
return FALSE;
}
/* Command packet transfer */
AtaWriteBuffer(Channel, AtapiPacket, PacketSize);
if (!WaitForFlags(Channel, (IDE_STATUS_BUSY | IDE_STATUS_DRQ | IDE_STATUS_DRDY | IDE_STATUS_ERROR),
ExpectedFlags, NoData ? ATA_STATUS_TIMEOUT : ATA_READ_TIMEOUT))
{
TRACE("AtaSendAtapiPacket(0x%x) failed. An execution error occurred Status: 0x%02x, Error: 0x%02x\n",
AtapiPacket[0], AtaReadPort(Channel, IDX_ATAPI_IO1_i_Status), AtaReadPort(Channel, IDX_ATAPI_IO1_i_Error));
return FALSE;
}
return TRUE;
}
static
BOOLEAN
AtapiReadLogicalSectorLBA(
IN PDEVICE_UNIT DeviceUnit,
IN ULONGLONG SectorNumber,
OUT PVOID Buffer)
{
UCHAR AtapiPacket[16];
USHORT DataSize;
BOOLEAN Success;
/* Select the drive */
if (!SelectDevice(DeviceUnit->Channel, DeviceUnit->DeviceNumber))
return FALSE;
/* Disable interrupts */
AtaWritePort(DeviceUnit->Channel, IDX_IO2_o_AltStatus, IDE_DC_DISABLE_INTERRUPTS);
StallExecutionProcessor(1);
/* Send the SCSI READ command */
RtlZeroMemory(&AtapiPacket, sizeof(AtapiPacket));
#if defined(SARCH_PC98)
AtapiPacket[0] = SCSIOP_READ;
AtapiPacket[8] = 1;
AtapiPacket[9] = 0;
#else
AtapiPacket[0] = SCSIOP_READ12;
AtapiPacket[8] = 0;
AtapiPacket[9] = 1;
#endif
AtapiPacket[2] = (SectorNumber >> 24) & 0xFF;
AtapiPacket[3] = (SectorNumber >> 16) & 0xFF;
AtapiPacket[4] = (SectorNumber >> 8) & 0xFF;
AtapiPacket[5] = SectorNumber & 0xFF;
Success = AtaSendAtapiPacket(DeviceUnit->Channel,
AtapiPacket,
ATAPI_PACKET_SIZE(DeviceUnit->IdentifyData),
DeviceUnit->SectorSize);
if (!Success)
{
ERR("AtapiReadLogicalSectorLBA() failed. A read error occurred.\n");
return FALSE;
}
DataSize = (AtaReadPort(DeviceUnit->Channel, IDX_ATAPI_IO1_i_ByteCountHigh) << 8) |
AtaReadPort(DeviceUnit->Channel, IDX_ATAPI_IO1_i_ByteCountLow);
/* Transfer the data block */
AtaReadBuffer(DeviceUnit->Channel, Buffer, DataSize);
return TRUE;
}
static
VOID
AtapiCapacityDetect(
IN PDEVICE_UNIT DeviceUnit,
OUT PULONGLONG TotalSectors,
OUT PULONG SectorSize)
{
UCHAR AtapiPacket[16];
UCHAR AtapiCapacity[8];
/* Send the SCSI READ CAPACITY(10) command */
RtlZeroMemory(&AtapiPacket, sizeof(AtapiPacket));
AtapiPacket[0] = SCSIOP_READ_CAPACITY;
if (AtaSendAtapiPacket(DeviceUnit->Channel, AtapiPacket, ATAPI_PACKET_SIZE(DeviceUnit->IdentifyData), 8))
{
AtaReadBuffer(DeviceUnit->Channel, &AtapiCapacity, 8);
*TotalSectors = (AtapiCapacity[0] << 24) | (AtapiCapacity[1] << 16) |
(AtapiCapacity[2] << 8) | AtapiCapacity[3];
*SectorSize = (AtapiCapacity[4] << 24) | (AtapiCapacity[5] << 16) |
(AtapiCapacity[6] << 8) | AtapiCapacity[7];
}
else
{
*TotalSectors = 0;
*SectorSize = 0;
}
}
static
BOOLEAN
AtapiReadyCheck(IN OUT PDEVICE_UNIT DeviceUnit)
{
UCHAR AtapiPacket[16];
UCHAR DummyData[MAXIMUM_CDROM_SIZE];
SENSE_DATA SenseData;
BOOLEAN Success;
/* Select the drive */
if (!SelectDevice(DeviceUnit->Channel, DeviceUnit->DeviceNumber))
return FALSE;
/* Send the SCSI TEST UNIT READY command */
RtlZeroMemory(&AtapiPacket, sizeof(AtapiPacket));
AtapiPacket[0] = SCSIOP_TEST_UNIT_READY;
AtaSendAtapiPacket(DeviceUnit->Channel,
AtapiPacket,
ATAPI_PACKET_SIZE(DeviceUnit->IdentifyData),
0);
/* Send the SCSI REQUEST SENSE command */
RtlZeroMemory(&AtapiPacket, sizeof(AtapiPacket));
RtlZeroMemory(&SenseData, SENSE_BUFFER_SIZE);
AtapiPacket[0] = SCSIOP_REQUEST_SENSE;
AtapiPacket[4] = SENSE_BUFFER_SIZE;
Success = AtaSendAtapiPacket(DeviceUnit->Channel,
AtapiPacket,
ATAPI_PACKET_SIZE(DeviceUnit->IdentifyData),
SENSE_BUFFER_SIZE);
if (!Success)
return FALSE;
AtaReadBuffer(DeviceUnit->Channel, &SenseData, SENSE_BUFFER_SIZE);
TRACE("SK 0x%x, ASC 0x%x, ASCQ 0x%x\n",
SenseData.SenseKey,
SenseData.AdditionalSenseCode,
SenseData.AdditionalSenseCodeQualifier);
if (SenseData.SenseKey == SCSI_SENSE_NOT_READY)
{
if (SenseData.AdditionalSenseCode == SCSI_ADSENSE_LUN_NOT_READY)
{
switch (SenseData.AdditionalSenseCodeQualifier)
{
case SCSI_SENSEQ_BECOMING_READY:
/* Wait until the CD is spun up */
StallExecutionProcessor(4e6);
return FALSE;
case SCSI_SENSEQ_INIT_COMMAND_REQUIRED:
/* The drive needs to be spun up, send the SCSI READ TOC command */
RtlZeroMemory(&AtapiPacket, sizeof(AtapiPacket));
AtapiPacket[0] = SCSIOP_READ_TOC;
AtapiPacket[7] = (MAXIMUM_CDROM_SIZE << 8) & 0xFF;
AtapiPacket[8] = MAXIMUM_CDROM_SIZE & 0xFF;
AtapiPacket[9] = READ_TOC_FORMAT_SESSION << 6;
Success = AtaSendAtapiPacket(DeviceUnit->Channel,
AtapiPacket,
ATAPI_PACKET_SIZE(DeviceUnit->IdentifyData),
MAXIMUM_CDROM_SIZE);
if (!Success)
return FALSE;
AtaReadBuffer(DeviceUnit->Channel, &DummyData, MAXIMUM_CDROM_SIZE);
/* fall through */
default:
DeviceUnit->Flags &= ~ATA_DEVICE_NOT_READY;
return FALSE;
}
}
else if (SenseData.AdditionalSenseCode == SCSI_ADSENSE_NO_MEDIA_IN_DEVICE)
{
DeviceUnit->Flags |= ATA_DEVICE_NO_MEDIA;
return FALSE;
}
}
else
{
DeviceUnit->Flags &= ~ATA_DEVICE_NOT_READY;
}
if (DeviceUnit->Flags & ATA_DEVICE_NO_MEDIA)
{
/* Detect a medium's capacity */
AtapiCapacityDetect(DeviceUnit, &DeviceUnit->TotalSectors, &DeviceUnit->SectorSize);
/* If nothing was returned, reset to defaults */
if (DeviceUnit->SectorSize == 0)
DeviceUnit->SectorSize = 2048;
if (DeviceUnit->TotalSectors == 0)
DeviceUnit->TotalSectors = 0xFFFFFFFF;
DeviceUnit->Flags &= ~ATA_DEVICE_NO_MEDIA;
}
return TRUE;
}
static
BOOLEAN
WaitForFlags(
IN UCHAR Channel,
IN UCHAR Flags,
IN UCHAR ExpectedValue,
IN ULONG Timeout)
{
ASSERT(Timeout != 0);
while (Timeout--)
{
if ((AtaReadPort(Channel, IDX_IO1_i_Status) & Flags) == ExpectedValue)
return TRUE;
else
StallExecutionProcessor(10);
}
return FALSE;
}
static
VOID
AtaHardReset(IN UCHAR Channel)
{
TRACE("AtaHardReset(Controller %d)\n", Channel);
AtaWritePort(Channel, IDX_IO2_o_Control, IDE_DC_RESET_CONTROLLER);
StallExecutionProcessor(200000);
AtaWritePort(Channel, IDX_IO2_o_Control, IDE_DC_REENABLE_CONTROLLER);
StallExecutionProcessor(1);
}
static
BOOLEAN
SelectDevice(IN UCHAR Channel, IN UCHAR DeviceNumber)
{
#if defined(SARCH_PC98)
/* Select IDE Channel */
WRITE_PORT_UCHAR((PUCHAR)IDE_IO_o_BankSelect, Channel);
StallExecutionProcessor(1);
#endif
AtaWritePort(Channel, IDX_IO1_o_DriveSelect,
DeviceNumber ? IDE_DRIVE_SELECT_2 : IDE_DRIVE_SELECT_1);
StallExecutionProcessor(500);
if (!WaitForFlags(Channel, (IDE_STATUS_BUSY | IDE_STATUS_DRQ), 0, ATA_STATUS_TIMEOUT))
{
TRACE("SelectDevice() failed. Device(%d:%d) is busy.\n", Channel, DeviceNumber);
return FALSE;
}
return TRUE;
}
static
BOOLEAN
IdentifyDevice(
IN UCHAR Channel,
IN UCHAR DeviceNumber,
OUT PDEVICE_UNIT *DeviceUnit)
{
UCHAR SignatureLow, SignatureHigh;
IDENTIFY_DATA Id;
INQUIRYDATA AtapiInquiry;
BOOLEAN Success;
UCHAR AtapiPacket[16];
ULONG i;
ULONG SectorSize;
ULONGLONG TotalSectors;
USHORT Flags = 0;
TRACE("IdentifyDevice() Channel = %x, Device = %x, BaseIoAddress = 0x%x\n",
Channel, DeviceNumber, BaseArray[Channel]);
/* Reset the controller */
AtaHardReset(Channel);
/* Select the drive */
if (!SelectDevice(Channel, DeviceNumber))
goto Failure;
/* Send the IDENTIFY DEVICE command */
AtaWritePort(Channel, IDX_IO1_o_Command, IDE_COMMAND_IDENTIFY);
StallExecutionProcessor(50);
if (WaitForFlags(Channel, (IDE_STATUS_BUSY | IDE_STATUS_DRQ | IDE_STATUS_ERROR),
IDE_STATUS_DRQ, ATA_STATUS_TIMEOUT))
{
SignatureLow = AtaReadPort(Channel, IDX_IO1_i_CylinderLow);
SignatureHigh = AtaReadPort(Channel, IDX_IO1_i_CylinderHigh);
TRACE("IdentifyDevice(): SignatureLow = 0x%x, SignatureHigh = 0x%x\n", SignatureLow, SignatureHigh);
if (SignatureLow == 0x00 && SignatureHigh == 0x00)
{
/* This is PATA */
TRACE("IdentifyDevice(): Found PATA device at %d:%d\n", Channel, DeviceNumber);
goto Identify;
}
}
/* If not PATA, ATAPI maybe? Send the IDENTIFY PACKET DEVICE command */
AtaWritePort(Channel, IDX_ATAPI_IO1_o_Command, IDE_COMMAND_ATAPI_IDENTIFY);
StallExecutionProcessor(500);
SignatureLow = AtaReadPort(Channel, IDX_IO1_i_CylinderLow);
SignatureHigh = AtaReadPort(Channel, IDX_IO1_i_CylinderHigh);
TRACE("IdentifyDevice(): SignatureLow = 0x%x, SignatureHigh = 0x%x\n", SignatureLow, SignatureHigh);
/* Check for devices that implements the PACKET Command feature */
if (SignatureLow == ATAPI_MAGIC_LSB && SignatureHigh == ATAPI_MAGIC_MSB)
{
/* This is ATAPI */
Flags |= ATA_DEVICE_ATAPI | ATA_DEVICE_LBA | ATA_DEVICE_NOT_READY;
TRACE("IdentifyDevice(): Found ATAPI device at %d:%d\n", Channel, DeviceNumber);
goto Identify;
}
else
{
goto Failure;
}
Identify:
/* Receive parameter information from the device */
AtaReadBuffer(Channel, &Id, IDENTIFY_DATA_SIZE);
/* Swap byte order of the ASCII data */
for (i = 0; i < RTL_NUMBER_OF(Id.SerialNumber); ++i)
Id.SerialNumber[i] = RtlUshortByteSwap(Id.SerialNumber[i]);
for (i = 0; i < RTL_NUMBER_OF(Id.FirmwareRevision); ++i)
Id.FirmwareRevision[i] = RtlUshortByteSwap(Id.FirmwareRevision[i]);
for (i = 0; i < RTL_NUMBER_OF(Id.ModelNumber); ++i)
Id.ModelNumber[i] = RtlUshortByteSwap(Id.ModelNumber[i]);
TRACE("S/N %.*s\n", sizeof(Id.SerialNumber), Id.SerialNumber);
TRACE("FR %.*s\n", sizeof(Id.FirmwareRevision), Id.FirmwareRevision);
TRACE("MN %.*s\n", sizeof(Id.ModelNumber), Id.ModelNumber);
/* Detect the type of device */
if (Flags & ATA_DEVICE_ATAPI)
{
/* Send the SCSI INQUIRY command */
RtlZeroMemory(&AtapiPacket, sizeof(AtapiPacket));
AtapiPacket[0] = SCSIOP_INQUIRY;
AtapiPacket[4] = INQUIRYDATABUFFERSIZE;
Success = AtaSendAtapiPacket(Channel, AtapiPacket, ATAPI_PACKET_SIZE(Id), INQUIRYDATABUFFERSIZE);
if (!Success)
goto Failure;
AtaReadBuffer(Channel, &AtapiInquiry, INQUIRYDATABUFFERSIZE);
if (AtapiInquiry.DeviceType != READ_ONLY_DIRECT_ACCESS_DEVICE)
{
TRACE("IdentifyDevice(): Unsupported device type 0x%x!\n", AtapiInquiry.DeviceType);
goto Failure;
}
}
/* Allocate a new device unit structure */
*DeviceUnit = FrLdrTempAlloc(sizeof(DEVICE_UNIT), TAG_ATA_DEVICE);
if (*DeviceUnit == NULL)
{
ERR("Failed to allocate device unit!\n");
return FALSE;
}
RtlZeroMemory(*DeviceUnit, sizeof(DEVICE_UNIT));
(*DeviceUnit)->Channel = Channel;
(*DeviceUnit)->DeviceNumber = DeviceNumber;
(*DeviceUnit)->IdentifyData = Id;
/* Detect a medium's capacity */
if (Flags & ATA_DEVICE_ATAPI)
{
AtapiCapacityDetect(*DeviceUnit, &TotalSectors, &SectorSize);
if (SectorSize == 0 || TotalSectors == 0)
{
/* It's ok and can be used to show alert like "Please insert the CD" */
TRACE("No media found.\n");
Flags |= ATA_DEVICE_NO_MEDIA;
}
}
else
{
if (Id.SupportLba || (Id.MajorRevision && Id.UserAddressableSectors))
{
if (Id.FeaturesSupport.Address48)
{
TRACE("Using LBA48 addressing mode.\n");
Flags |= ATA_DEVICE_LBA48 | ATA_DEVICE_LBA;
TotalSectors = Id.UserAddressableSectors48;
}
else
{
TRACE("Using LBA28 addressing mode.\n");
Flags |= ATA_DEVICE_LBA;
TotalSectors = Id.UserAddressableSectors;
}
/* LBA ATA drives always have a sector size of 512 */
SectorSize = 512;
}
else
{
TRACE("Using CHS addressing mode.\n");
Flags |= ATA_DEVICE_CHS;
if (Id.UnformattedBytesPerSector == 0)
{
SectorSize = 512;
}
else
{
for (i = 1 << 15; i > 0; i >>= 1)
{
if ((Id.UnformattedBytesPerSector & i) != 0)
{
SectorSize = i;
break;
}
}
}
TotalSectors = Id.NumberOfCylinders * Id.NumberOfHeads * Id.SectorsPerTrack;
}
}
TRACE("Sector size %d ; Total sectors %I64d\n", SectorSize, TotalSectors);
(*DeviceUnit)->Flags = Flags;
(*DeviceUnit)->SectorSize = SectorSize;
(*DeviceUnit)->TotalSectors = TotalSectors;
if (Flags & ATA_DEVICE_ATAPI)
{
(*DeviceUnit)->Cylinders = 0xFFFFFFFF;
(*DeviceUnit)->Heads = 0xFFFFFFFF;
(*DeviceUnit)->Sectors = 0xFFFFFFFF;
}
else
{
(*DeviceUnit)->Cylinders = Id.NumberOfCylinders;
(*DeviceUnit)->Heads = Id.NumberOfHeads;
(*DeviceUnit)->Sectors = Id.SectorsPerTrack;
}
#if DBG
DbgDumpBuffer(DPRINT_DISK, &Id, IDENTIFY_DATA_SIZE);
#endif
TRACE("IdentifyDevice() done.\n");
return TRUE;
Failure:
TRACE("IdentifyDevice() done. No device present at %d:%d\n", Channel, DeviceNumber);
return FALSE;
}

3
boot/freeldr/freeldr/arch/i386/machxbox.c
View file

@ -299,8 +299,9 @@ XboxMachInit(const char *CmdLine)
VOID
XboxPrepareForReactOS(VOID)
{
/* On XBOX, prepare video and turn off the floppy motor */
/* On Xbox, prepare video and disk support */
XboxVideoPrepareForReactOS();
XboxDiskInit(FALSE);
DiskStopFloppyMotor();
}

566
boot/freeldr/freeldr/arch/i386/xboxdisk.c
View file

@ -1,513 +1,120 @@
/*
* FreeLoader
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Note: mostly ripped from atapi.c
* Some of this code was based on knowledge and/or code developed
* by the Xbox Linux group: http://www.xbox-linux.org
*
* PROJECT: FreeLoader
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: Xbox specific disk access routines
* COPYRIGHT: Copyright 2004 Gé van Geldorp (gvg@reactos.com)
* Copyright 2019 Dmitry Borisov (di.sean@protonmail.com)
*/
/* INCLUDES *******************************************************************/
#include <freeldr.h>
#include <hwide.h>
#include <debug.h>
DBG_DEFAULT_CHANNEL(DISK);
#define XBOX_IDE_COMMAND_PORT 0x1f0
#define XBOX_IDE_CONTROL_PORT 0x170
/* GLOBALS ********************************************************************/
#define IDE_SECTOR_BUF_SZ 512
#define IDE_MAX_POLL_RETRIES 100000
#define IDE_MAX_BUSY_RETRIES 50000
static PDEVICE_UNIT HardDrive = NULL;
static PDEVICE_UNIT CdDrive = NULL;
static BOOLEAN AtaInitialized = FALSE;
/* Control Block offsets and masks */
#define IDE_REG_ALT_STATUS 0x0000
#define IDE_REG_DEV_CNTRL 0x0000 /* device control register */
#define IDE_DC_SRST 0x04 /* drive reset (both drives) */
#define IDE_DC_nIEN 0x02 /* IRQ enable (active low) */
#define IDE_REG_DRV_ADDR 0x0001
/* FUNCTIONS ******************************************************************/
/* Command Block offsets and masks */
#define IDE_REG_DATA_PORT 0x0000
#define IDE_REG_ERROR 0x0001 /* error register */
#define IDE_ER_AMNF 0x01 /* addr mark not found */
#define IDE_ER_TK0NF 0x02 /* track 0 not found */
#define IDE_ER_ABRT 0x04 /* command aborted */
#define IDE_ER_MCR 0x08 /* media change requested */
#define IDE_ER_IDNF 0x10 /* ID not found */
#define IDE_ER_MC 0x20 /* Media changed */
#define IDE_ER_UNC 0x40 /* Uncorrectable data error */
#define IDE_REG_PRECOMP 0x0001
#define IDE_REG_SECTOR_CNT 0x0002
#define IDE_REG_SECTOR_NUM 0x0003
#define IDE_REG_CYL_LOW 0x0004
#define IDE_REG_CYL_HIGH 0x0005
#define IDE_REG_DRV_HEAD 0x0006
#define IDE_DH_FIXED 0xA0
#define IDE_DH_LBA 0x40
#define IDE_DH_HDMASK 0x0F
#define IDE_DH_DRV0 0x00
#define IDE_DH_DRV1 0x10
#define IDE_REG_STATUS 0x0007
#define IDE_SR_BUSY 0x80
#define IDE_SR_DRDY 0x40
#define IDE_SR_WERR 0x20
#define IDE_SR_DRQ 0x08
#define IDE_SR_ERR 0x01
#define IDE_REG_COMMAND 0x0007
/* IDE/ATA commands */
#define IDE_CMD_RESET 0x08
#define IDE_CMD_READ 0x20
#define IDE_CMD_READ_RETRY 0x21
#define IDE_CMD_WRITE 0x30
#define IDE_CMD_WRITE_RETRY 0x31
#define IDE_CMD_PACKET 0xA0
#define IDE_CMD_READ_MULTIPLE 0xC4
#define IDE_CMD_WRITE_MULTIPLE 0xC5
#define IDE_CMD_READ_DMA 0xC8
#define IDE_CMD_WRITE_DMA 0xCA
#define IDE_CMD_FLUSH_CACHE 0xE7
#define IDE_CMD_FLUSH_CACHE_EXT 0xEA
#define IDE_CMD_IDENT_ATA_DRV 0xEC
#define IDE_CMD_IDENT_ATAPI_DRV 0xA1
#define IDE_CMD_GET_MEDIA_STATUS 0xDA
/*
* Access macros for command registers
* Each macro takes an address of the command port block, and data
*/
#define IDEReadError(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_ERROR)))
#define IDEWritePrecomp(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_PRECOMP), (Data)))
#define IDEReadSectorCount(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_CNT)))
#define IDEWriteSectorCount(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_CNT), (Data)))
#define IDEReadSectorNum(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_NUM)))
#define IDEWriteSectorNum(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_NUM), (Data)))
#define IDEReadCylinderLow(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_LOW)))
#define IDEWriteCylinderLow(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_LOW), (Data)))
#define IDEReadCylinderHigh(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_HIGH)))
#define IDEWriteCylinderHigh(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_HIGH), (Data)))
#define IDEReadDriveHead(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_DRV_HEAD)))
#define IDEWriteDriveHead(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_DRV_HEAD), (Data)))
#define IDEReadStatus(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_STATUS)))
#define IDEWriteCommand(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_COMMAND), (Data)))
#define IDEReadDMACommand(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address))))
#define IDEWriteDMACommand(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address)), (Data)))
#define IDEReadDMAStatus(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + 2)))
#define IDEWriteDMAStatus(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + 2), (Data)))
#define IDEWritePRDTable(Address, Data) \
(WRITE_PORT_ULONG((PULONG)((Address) + 4), (Data)))
/*
* Data block read and write commands
*/
#define IDEReadBlock(Address, Buffer, Count) \
(READ_PORT_BUFFER_USHORT((PUSHORT)((Address) + IDE_REG_DATA_PORT), (PUSHORT)(Buffer), (Count) / 2))
#define IDEWriteBlock(Address, Buffer, Count) \
(WRITE_PORT_BUFFER_USHORT((PUSHORT)((Address) + IDE_REG_DATA_PORT), (PUSHORT)(Buffer), (Count) / 2))
#define IDEReadBlock32(Address, Buffer, Count) \
(READ_PORT_BUFFER_ULONG((PULONG)((Address) + IDE_REG_DATA_PORT), (PULONG)(Buffer), (Count) / 4))
#define IDEWriteBlock32(Address, Buffer, Count) \
(WRITE_PORT_BUFFER_ULONG((PULONG)((Address) + IDE_REG_DATA_PORT), (PULONG)(Buffer), (Count) / 4))
#define IDEReadWord(Address) \
(READ_PORT_USHORT((PUSHORT)((Address) + IDE_REG_DATA_PORT)))
/*
* Access macros for control registers
* Each macro takes an address of the control port blank and data
*/
#define IDEReadAltStatus(Address) \
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_ALT_STATUS)))
#define IDEWriteDriveControl(Address, Data) \
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_DEV_CNTRL), (Data)))
/* IDE_DRIVE_IDENTIFY */
typedef struct _IDE_DRIVE_IDENTIFY
VOID
XboxDiskInit(BOOLEAN Init)
{
USHORT ConfigBits; /*00*/
USHORT LogicalCyls; /*01*/
USHORT Reserved02; /*02*/
USHORT LogicalHeads; /*03*/
USHORT BytesPerTrack; /*04*/
USHORT BytesPerSector; /*05*/
USHORT SectorsPerTrack; /*06*/
UCHAR InterSectorGap; /*07*/
UCHAR InterSectorGapSize;
UCHAR Reserved08H; /*08*/
UCHAR BytesInPLO;
USHORT VendorUniqueCnt; /*09*/
UCHAR SerialNumber[20]; /*10*/
USHORT ControllerType; /*20*/
USHORT BufferSize; /*21*/
USHORT ECCByteCnt; /*22*/
UCHAR FirmwareRev[8]; /*23*/
UCHAR ModelNumber[40]; /*27*/
USHORT RWMultImplemented; /*47*/
USHORT DWordIo; /*48*/
USHORT Capabilities; /*49*/
#define IDE_DRID_STBY_SUPPORTED 0x2000
#define IDE_DRID_IORDY_SUPPORTED 0x0800
#define IDE_DRID_IORDY_DISABLE 0x0400
#define IDE_DRID_LBA_SUPPORTED 0x0200
#define IDE_DRID_DMA_SUPPORTED 0x0100
USHORT Reserved50; /*50*/
USHORT MinPIOTransTime; /*51*/
USHORT MinDMATransTime; /*52*/
USHORT TMFieldsValid; /*53*/
USHORT TMCylinders; /*54*/
USHORT TMHeads; /*55*/
USHORT TMSectorsPerTrk; /*56*/
USHORT TMCapacityLo; /*57*/
USHORT TMCapacityHi; /*58*/
USHORT RWMultCurrent; /*59*/
USHORT TMSectorCountLo; /*60*/
USHORT TMSectorCountHi; /*61*/
USHORT DmaModes; /*62*/
USHORT MultiDmaModes; /*63*/
USHORT Reserved64[5]; /*64*/
USHORT Reserved69[2]; /*69*/
USHORT Reserved71[4]; /*71*/
USHORT MaxQueueDepth; /*75*/
USHORT Reserved76[4]; /*76*/
USHORT MajorRevision; /*80*/
USHORT MinorRevision; /*81*/
USHORT SupportedFeatures82; /*82*/
USHORT SupportedFeatures83; /*83*/
USHORT SupportedFeatures84; /*84*/
USHORT EnabledFeatures85; /*85*/
USHORT EnabledFeatures86; /*86*/
USHORT EnabledFeatures87; /*87*/
USHORT UltraDmaModes; /*88*/
USHORT Reserved89[11]; /*89*/
USHORT Max48BitAddress[4]; /*100*/
USHORT Reserved104[151]; /*104*/
USHORT Checksum; /*255*/
} IDE_DRIVE_IDENTIFY, *PIDE_DRIVE_IDENTIFY;
UCHAR DetectedCount;
UCHAR UnitNumber;
PDEVICE_UNIT DeviceUnit = NULL;
/* XboxDiskPolledRead
*
* DESCRIPTION:
* Read a sector of data from the drive in a polled fashion.
*
* RUN LEVEL:
* PASSIVE_LEVEL
*
* ARGUMENTS:
* ULONG CommandPort Address of command port for drive
* ULONG ControlPort Address of control port for drive
* UCHAR PreComp Value to write to precomp register
* UCHAR SectorCnt Value to write to sectorCnt register
* UCHAR SectorNum Value to write to sectorNum register
* UCHAR CylinderLow Value to write to CylinderLow register
* UCHAR CylinderHigh Value to write to CylinderHigh register
* UCHAR DrvHead Value to write to Drive/Head register
* UCHAR Command Value to write to Command register
* PVOID Buffer Buffer for output data
*
* RETURNS:
* BOOLEAN: TRUE success, FALSE error
*/
static BOOLEAN
XboxDiskPolledRead(ULONG CommandPort,
ULONG ControlPort,
UCHAR PreComp,
UCHAR SectorCnt,
UCHAR SectorNum,
UCHAR CylinderLow,
UCHAR CylinderHigh,
UCHAR DrvHead,
UCHAR Command,
PVOID Buffer)
{
ULONG SectorCount = 0;
ULONG RetryCount;
BOOLEAN Junk = FALSE;
UCHAR Status;
/* Wait for BUSY to clear */
for (RetryCount = 0; RetryCount < IDE_MAX_BUSY_RETRIES; RetryCount++)
if (Init & !AtaInitialized)
{
Status = IDEReadStatus(CommandPort);
if (!(Status & IDE_SR_BUSY))
break;
StallExecutionProcessor(10);
}
TRACE("status=0x%x\n", Status);
TRACE("waited %d usecs for busy to clear\n", RetryCount * 10);
if (RetryCount >= IDE_MAX_BUSY_RETRIES)
{
WARN("Drive is BUSY for too long\n");
return FALSE;
}
/* Write Drive/Head to select drive */
IDEWriteDriveHead(CommandPort, IDE_DH_FIXED | DrvHead);
StallExecutionProcessor(500);
/* Disable interrupts */
IDEWriteDriveControl(ControlPort, IDE_DC_nIEN);
StallExecutionProcessor(500);
/* Issue command to drive */
if (DrvHead & IDE_DH_LBA)
{
TRACE("READ:DRV=%d:LBA=1:BLK=%d:SC=0x%x:CM=0x%x\n",
DrvHead & IDE_DH_DRV1 ? 1 : 0,
((DrvHead & 0x0f) << 24) + (CylinderHigh << 16) + (CylinderLow << 8) + SectorNum,
SectorCnt,
Command);
}
else
{
TRACE("READ:DRV=%d:LBA=0:CH=0x%x:CL=0x%x:HD=0x%x:SN=0x%x:SC=0x%x:CM=0x%x\n",
DrvHead & IDE_DH_DRV1 ? 1 : 0,
CylinderHigh,
CylinderLow,
DrvHead & 0x0f,
SectorNum,
SectorCnt,
Command);
}
/* Setup command parameters */
IDEWritePrecomp(CommandPort, PreComp);
IDEWriteSectorCount(CommandPort, SectorCnt);
IDEWriteSectorNum(CommandPort, SectorNum);
IDEWriteCylinderHigh(CommandPort, CylinderHigh);
IDEWriteCylinderLow(CommandPort, CylinderLow);
IDEWriteDriveHead(CommandPort, IDE_DH_FIXED | DrvHead);
/* Issue the command */
IDEWriteCommand(CommandPort, Command);
StallExecutionProcessor(50);
/* Wait for DRQ or error */
for (RetryCount = 0; RetryCount < IDE_MAX_POLL_RETRIES; RetryCount++)
{
Status = IDEReadStatus(CommandPort);
if (!(Status & IDE_SR_BUSY))
/* Find first HDD and CD */
AtaInit(&DetectedCount);
for (UnitNumber = 0; UnitNumber <= DetectedCount; UnitNumber++)
{
if (Status & IDE_SR_ERR)
DeviceUnit = AtaGetDevice(UnitNumber);
if (DeviceUnit)
{
IDEWriteDriveControl(ControlPort, 0);
StallExecutionProcessor(50);
IDEReadStatus(CommandPort);
return FALSE;
}
if (Status & IDE_SR_DRQ)
{
break;
}
else
{
IDEWriteDriveControl(ControlPort, 0);
StallExecutionProcessor(50);
IDEReadStatus(CommandPort);
return FALSE;
}
}
StallExecutionProcessor(10);
}
/* Timed out */
if (RetryCount >= IDE_MAX_POLL_RETRIES)
{
IDEWriteDriveControl(ControlPort, 0);
StallExecutionProcessor(50);
IDEReadStatus(CommandPort);
return FALSE;
}
while (1)
{
/* Read data into buffer */
if (Junk == FALSE)
{
IDEReadBlock(CommandPort, Buffer, IDE_SECTOR_BUF_SZ);
Buffer = (PVOID)((ULONG_PTR)Buffer + IDE_SECTOR_BUF_SZ);
}
else
{
UCHAR JunkBuffer[IDE_SECTOR_BUF_SZ];
IDEReadBlock(CommandPort, JunkBuffer, IDE_SECTOR_BUF_SZ);
}
SectorCount++;
/* Check for error or more sectors to read */
for (RetryCount = 0; RetryCount < IDE_MAX_BUSY_RETRIES; RetryCount++)
{
Status = IDEReadStatus(CommandPort);
if (!(Status & IDE_SR_BUSY))
{
if (Status & IDE_SR_ERR)
if (DeviceUnit->Flags & ATA_DEVICE_ATAPI)
{
IDEWriteDriveControl(ControlPort, 0);
StallExecutionProcessor(50);
IDEReadStatus(CommandPort);
return FALSE;
}
if (Status & IDE_SR_DRQ)
{
if (SectorCount >= SectorCnt)
{
TRACE("Buffer size exceeded!\n");
Junk = TRUE;
}
break;
if (!CdDrive)
CdDrive = DeviceUnit;
}
else
{
if (SectorCount > SectorCnt)
{
TRACE("Read %lu sectors of junk!\n",
SectorCount - SectorCnt);
}
IDEWriteDriveControl(ControlPort, 0);
StallExecutionProcessor(50);
IDEReadStatus(CommandPort);
return TRUE;
if (!HardDrive)
HardDrive = DeviceUnit;
}
}
}
AtaInitialized = TRUE;
}
else
{
AtaFree();
}
}
static
inline
BOOLEAN
XboxDiskDriveNumberToDeviceUnit(UCHAR DriveNumber, PDEVICE_UNIT *DeviceUnit)
{
/* Xbox has only 1 IDE controller and no floppy */
if (DriveNumber < 0x80 || (DriveNumber & 0x0F) >= 2)
return FALSE;
if (!AtaInitialized)
XboxDiskInit(TRUE);
/* HDD */
if ((DriveNumber == 0x80) && HardDrive)
{
*DeviceUnit = HardDrive;
return TRUE;
}
/* CD */
if ((DriveNumber & 0xF0) > 0x80 && CdDrive)
{
*DeviceUnit = CdDrive;
return TRUE;
}
return FALSE;
}
BOOLEAN
XboxDiskReadLogicalSectors(UCHAR DriveNumber, ULONGLONG SectorNumber, ULONG SectorCount, PVOID Buffer)
{
ULONG StartSector;
UCHAR Count;
PDEVICE_UNIT DeviceUnit = NULL;
if (DriveNumber < 0x80 || (DriveNumber & 0x0f) >= 2)
{
/* Xbox has only 1 IDE controller and no floppy */
WARN("Invalid drive number\n");
TRACE("XboxDiskReadLogicalSectors() DriveNumber: 0x%x SectorNumber: %I64d SectorCount: %d Buffer: 0x%x\n",
DriveNumber, SectorNumber, SectorCount, Buffer);
if (!XboxDiskDriveNumberToDeviceUnit(DriveNumber, &DeviceUnit))
return FALSE;
}
if (((SectorNumber + SectorCount) & UINT64_C(0xfffffffff0000000)) != UINT64_C(0))
{
FIXME("48bit LBA required but not implemented\n");
return FALSE;
}
StartSector = (ULONG) SectorNumber;
while (SectorCount > 0)
{
Count = (SectorCount <= 255 ? (UCHAR)SectorCount : 255);
if (!XboxDiskPolledRead(XBOX_IDE_COMMAND_PORT,
XBOX_IDE_CONTROL_PORT,
0, Count,
StartSector & 0xff,
(StartSector >> 8) & 0xff,
(StartSector >> 16) & 0xff,
((StartSector >> 24) & 0x0f) | IDE_DH_LBA |
((DriveNumber & 0x0f) == 0 ? IDE_DH_DRV0 : IDE_DH_DRV1),
IDE_CMD_READ,
Buffer))
{
return FALSE;
}
SectorCount -= Count;
Buffer = (PVOID) ((PCHAR) Buffer + Count * IDE_SECTOR_BUF_SZ);
}
return TRUE;
return AtaAtapiReadLogicalSectorsLBA(DeviceUnit, SectorNumber, SectorCount, Buffer);
}
BOOLEAN
XboxDiskGetDriveGeometry(UCHAR DriveNumber, PGEOMETRY Geometry)
{
IDE_DRIVE_IDENTIFY DrvParms;
ULONG i;
BOOLEAN Atapi;
PDEVICE_UNIT DeviceUnit = NULL;
Atapi = FALSE; /* FIXME */
/* Get the Drive Identify block from drive or die */
if (!XboxDiskPolledRead(XBOX_IDE_COMMAND_PORT,
XBOX_IDE_CONTROL_PORT,
0,
1,
0,
0,
0,
((DriveNumber & 0x0f) == 0 ? IDE_DH_DRV0 : IDE_DH_DRV1),
(Atapi ? IDE_CMD_IDENT_ATAPI_DRV : IDE_CMD_IDENT_ATA_DRV),
(PUCHAR) &DrvParms))
{
ERR("XboxDiskPolledRead() failed\n");
TRACE("XboxDiskGetDriveGeometry(0x%x)\n", DriveNumber);
if (!XboxDiskDriveNumberToDeviceUnit(DriveNumber, &DeviceUnit))
return FALSE;
}
Geometry->Cylinders = DrvParms.LogicalCyls;
Geometry->Heads = DrvParms.LogicalHeads;
Geometry->Sectors = DrvParms.SectorsPerTrack;
if (!Atapi && (DrvParms.Capabilities & IDE_DRID_LBA_SUPPORTED) != 0)
{
/* LBA ATA drives always have a sector size of 512 */
Geometry->BytesPerSector = 512;
}
else
{
TRACE("BytesPerSector %d\n", DrvParms.BytesPerSector);
if (DrvParms.BytesPerSector == 0)
{
Geometry->BytesPerSector = 512;
}
else
{
for (i = 1 << 15; i; i /= 2)
{
if ((DrvParms.BytesPerSector & i) != 0)
{
Geometry->BytesPerSector = i;
break;
}
}
}
}
TRACE("Cylinders %d\n", Geometry->Cylinders);
TRACE("Heads %d\n", Geometry->Heads);
TRACE("Sectors %d\n", Geometry->Sectors);
TRACE("BytesPerSector %d\n", Geometry->BytesPerSector);
Geometry->Cylinders = DeviceUnit->Cylinders;
Geometry->Heads = DeviceUnit->Heads;
Geometry->Sectors = DeviceUnit->Sectors;
Geometry->BytesPerSector = DeviceUnit->SectorSize;
return TRUE;
}
@ -515,8 +122,19 @@ XboxDiskGetDriveGeometry(UCHAR DriveNumber, PGEOMETRY Geometry)
ULONG
XboxDiskGetCacheableBlockCount(UCHAR DriveNumber)
{
/* 64 seems a nice number, it is used by the machpc code for LBA devices */
return 64;
}
PDEVICE_UNIT DeviceUnit = NULL;
/* EOF */
TRACE("XboxDiskGetCacheableBlockCount(0x%x)\n", DriveNumber);
if (!XboxDiskDriveNumberToDeviceUnit(DriveNumber, &DeviceUnit))
return 0;
/*
* If LBA is supported then the block size will be 64 sectors (32k)
* If not then the block size is the size of one track.
*/
if (DeviceUnit->Flags & ATA_DEVICE_LBA)
return 64;
else
return DeviceUnit->Sectors;
}

1
boot/freeldr/freeldr/include/arch/i386/machxbox.h
View file

@ -74,6 +74,7 @@ VOID XboxPrepareForReactOS(VOID);
VOID XboxMemInit(VOID);
PFREELDR_MEMORY_DESCRIPTOR XboxMemGetMemoryMap(ULONG *MemoryMapSize);
VOID XboxDiskInit(BOOLEAN Init);
BOOLEAN XboxDiskReadLogicalSectors(UCHAR DriveNumber, ULONGLONG SectorNumber, ULONG SectorCount, PVOID Buffer);
BOOLEAN XboxDiskGetDriveGeometry(UCHAR DriveNumber, PGEOMETRY DriveGeometry);
ULONG XboxDiskGetCacheableBlockCount(UCHAR DriveNumber);

333
boot/freeldr/freeldr/include/hwide.h Normal file
View file

@ -0,0 +1,333 @@
/*
* PROJECT: FreeLoader
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: ATA/ATAPI polled I/O driver header file.
* COPYRIGHT: Copyright 2019 Dmitry Borisov (di.sean@protonmail.com)
*/
/* GLOBALS ********************************************************************/
/* Some definitions were taken from UniATA driver by Alter */
/*
* IDE registers offsets
*/
#if defined(SARCH_PC98)
#define IDX_IO1_i_Data 0x00
#define IDX_IO1_i_Error 0x02
#define IDX_IO1_i_BlockCount 0x04
#define IDX_IO1_i_BlockNumber 0x06
#define IDX_IO1_i_CylinderLow 0x08
#define IDX_IO1_i_CylinderHigh 0x0A
#define IDX_IO1_i_DriveSelect 0x0C
#define IDX_IO1_i_Status 0x0E
#define IDX_IO2_i_AltStatus 0x10C
#define IDX_IO2_i_DriveAddress 0x10E
#define IDE_IO_i_Bank 0x432
#define IDX_IO1_o_Data 0x00
#define IDX_IO1_o_Feature 0x02
#define IDX_IO1_o_BlockCount 0x04
#define IDX_IO1_o_BlockNumber 0x06
#define IDX_IO1_o_CylinderLow 0x08
#define IDX_IO1_o_CylinderHigh 0x0A
#define IDX_IO1_o_DriveSelect 0x0C
#define IDX_IO1_o_Command 0x0E
#define IDX_IO2_o_AltStatus 0x10C
#define IDX_IO2_o_Control 0x10E
#define IDE_IO_o_BankSelect 0x432
#else /* SARCH_PC98 */
#define IDX_IO1_i_Data 0x00
#define IDX_IO1_i_Error 0x01
#define IDX_IO1_i_BlockCount 0x02
#define IDX_IO1_i_BlockNumber 0x03
#define IDX_IO1_i_CylinderLow 0x04
#define IDX_IO1_i_CylinderHigh 0x05
#define IDX_IO1_i_DriveSelect 0x06
#define IDX_IO1_i_Status 0x07
#define IDX_IO2_i_AltStatus 0x206
#define IDX_IO2_i_DriveAddress 0x207
#define IDX_IO1_o_Data 0x00
#define IDX_IO1_o_Feature 0x01
#define IDX_IO1_o_BlockCount 0x02
#define IDX_IO1_o_BlockNumber 0x03
#define IDX_IO1_o_CylinderLow 0x04
#define IDX_IO1_o_CylinderHigh 0x05
#define IDX_IO1_o_DriveSelect 0x06
#define IDX_IO1_o_Command 0x07
#define IDX_IO2_o_AltStatus 0x206
#define IDX_IO2_o_Control 0x207
#endif
/*
* ATAPI registers offsets
*/
#if defined(SARCH_PC98)
#define IDX_ATAPI_IO1_i_Data 0x00
#define IDX_ATAPI_IO1_i_Error 0x02
#define IDX_ATAPI_IO1_i_InterruptReason 0x04
#define IDX_ATAPI_IO1_i_Unused1 0x06
#define IDX_ATAPI_IO1_i_ByteCountLow 0x08
#define IDX_ATAPI_IO1_i_ByteCountHigh 0x0A
#define IDX_ATAPI_IO1_i_DriveSelect 0x0C
#define IDX_ATAPI_IO1_i_Status 0x0E
#define IDX_ATAPI_IO1_o_Data 0x00
#define IDX_ATAPI_IO1_o_Feature 0x02
#define IDX_ATAPI_IO1_o_Unused0 0x04
#define IDX_ATAPI_IO1_o_Unused1 0x06
#define IDX_ATAPI_IO1_o_ByteCountLow 0x08
#define IDX_ATAPI_IO1_o_ByteCountHigh 0x0A
#define IDX_ATAPI_IO1_o_DriveSelect 0x0C
#define IDX_ATAPI_IO1_o_Command 0x0E
#else /* SARCH_PC98 */
#define IDX_ATAPI_IO1_i_Data 0x00
#define IDX_ATAPI_IO1_i_Error 0x01
#define IDX_ATAPI_IO1_i_InterruptReason 0x02
#define IDX_ATAPI_IO1_i_Unused1 0x03
#define IDX_ATAPI_IO1_i_ByteCountLow 0x04
#define IDX_ATAPI_IO1_i_ByteCountHigh 0x05
#define IDX_ATAPI_IO1_i_DriveSelect 0x06
#define IDX_ATAPI_IO1_i_Status 0x07
#define IDX_ATAPI_IO1_o_Data 0x00
#define IDX_ATAPI_IO1_o_Feature 0x01
#define IDX_ATAPI_IO1_o_Unused0 0x02
#define IDX_ATAPI_IO1_o_Unused1 0x03
#define IDX_ATAPI_IO1_o_ByteCountLow 0x04
#define IDX_ATAPI_IO1_o_ByteCountHigh 0x05
#define IDX_ATAPI_IO1_o_DriveSelect 0x06
#define IDX_ATAPI_IO1_o_Command 0x07
#endif
/*
* IDE status definitions
*/
#define IDE_STATUS_SUCCESS 0x00
#define IDE_STATUS_ERROR 0x01
#define IDE_STATUS_INDEX 0x02
#define IDE_STATUS_CORRECTED_ERROR 0x04
#define IDE_STATUS_DRQ 0x08
#define IDE_STATUS_DSC 0x10
#define IDE_STATUS_DMA 0x20 /* DMA ready */
#define IDE_STATUS_DWF 0x20 /* drive write fault */
#define IDE_STATUS_DRDY 0x40
#define IDE_STATUS_IDLE 0x50
#define IDE_STATUS_BUSY 0x80
#define IDE_STATUS_WRONG 0xff
#define IDE_STATUS_MASK 0xff
/*
* IDE drive select/head definitions
*/
#define IDE_DRIVE_SELECT 0xA0
#define IDE_DRIVE_1 0x00
#define IDE_DRIVE_2 0x10
#define IDE_DRIVE_SELECT_1 (IDE_DRIVE_SELECT | IDE_DRIVE_1)
#define IDE_DRIVE_SELECT_2 (IDE_DRIVE_SELECT | IDE_DRIVE_2)
#define IDE_DRIVE_MASK (IDE_DRIVE_SELECT_1 | IDE_DRIVE_SELECT_2)
#define IDE_USE_LBA 0x40
/*
* IDE drive control definitions
*/
#define IDE_DC_DISABLE_INTERRUPTS 0x02
#define IDE_DC_RESET_CONTROLLER 0x04
#define IDE_DC_A_4BIT 0x80
#define IDE_DC_USE_HOB 0x80 // use high-order byte(s)
#define IDE_DC_REENABLE_CONTROLLER 0x00
/*
* IDE error definitions
*/
#define IDE_ERROR_ICRC 0x80
#define IDE_ERROR_BAD_BLOCK 0x80
#define IDE_ERROR_DATA_ERROR 0x40
#define IDE_ERROR_MEDIA_CHANGE 0x20
#define IDE_ERROR_ID_NOT_FOUND 0x10
#define IDE_ERROR_MEDIA_CHANGE_REQ 0x08
#define IDE_ERROR_COMMAND_ABORTED 0x04
#define IDE_ERROR_END_OF_MEDIA 0x02
#define IDE_ERROR_NO_MEDIA 0x02
#define IDE_ERROR_ILLEGAL_LENGTH 0x01
/*
* Values for TransferMode
*/
#define ATA_PIO 0x00
/*
* IDENTIFY data
*/
#include <pshpack1.h>
typedef struct _IDENTIFY_DATA
{
UCHAR AtapiCmdSize:2; // 00 00 General configuration
UCHAR Unused1:3;
UCHAR DrqType:2;
UCHAR Removable:1;
UCHAR DeviceType:5;
UCHAR Unused2:1;
UCHAR CmdProtocol:2;
USHORT NumberOfCylinders; // 02 1
USHORT Reserved1; // 04 2
USHORT NumberOfHeads; // 06 3
USHORT UnformattedBytesPerTrack; // 08 4
USHORT UnformattedBytesPerSector; // 0A 5
USHORT SectorsPerTrack; // 0C 6
USHORT VendorUnique1[3]; // 0E 7-9
USHORT SerialNumber[10]; // 14 10-19
USHORT BufferType; // 28 20
USHORT BufferSectorSize; // 2A 21
USHORT NumberOfEccBytes; // 2C 22
USHORT FirmwareRevision[4]; // 2E 23-26
USHORT ModelNumber[20]; // 36 27-46
UCHAR ReadWriteMultipleSupport; // 5E 47
UCHAR VendorUnique2; // 5F
USHORT DoubleWordIo; // 60 48
USHORT Reserved62_0:8; // 62 49 Capabilities
USHORT SupportDma:1;
USHORT SupportLba:1;
USHORT DisableIordy:1;
USHORT SupportIordy:1;
USHORT SoftReset:1;
USHORT StandbyOverlap:1;
USHORT SupportQTag:1;
USHORT SupportIDma:1;
USHORT Reserved2; // 64 50
UCHAR VendorUnique3; // 66 51
UCHAR PioCycleTimingMode; // 67
UCHAR VendorUnique4; // 68 52
UCHAR DmaCycleTimingMode; // 69
USHORT TranslationFieldsValid:1; // 6A 53
USHORT Reserved3:15;
USHORT NumberOfCurrentCylinders; // 6C 54
USHORT NumberOfCurrentHeads; // 6E 55
USHORT CurrentSectorsPerTrack; // 70 56
ULONG CurrentSectorCapacity; // 72 57-58
USHORT CurrentMultiSectorSetting; // 59
ULONG UserAddressableSectors; // 60-61
USHORT SingleWordDMASupport:8; // 62
USHORT SingleWordDMAActive:8;
USHORT MultiWordDMASupport:8; // 63
USHORT MultiWordDMAActive:8;
USHORT AdvancedPIOModes:8; // 64
USHORT Reserved4:8;
USHORT MinimumMWXferCycleTime; // 65
USHORT RecommendedMWXferCycleTime; // 66
USHORT MinimumPIOCycleTime; // 67
USHORT MinimumPIOCycleTimeIORDY; // 68
USHORT Reserved5[2]; // 69-70
USHORT ReleaseTimeOverlapped; // 71
USHORT ReleaseTimeServiceCommand; // 72
USHORT Reserved73_74[2]; // 73-74
USHORT QueueLength:5; // 75
USHORT Reserved75_6:11;
USHORT SataCapabilities; // 76
USHORT Reserved77; // 77
USHORT SataSupport; // 78
USHORT SataEnable; // 79
USHORT MajorRevision; // 80
USHORT MinorRevision; // 81
struct {
USHORT Smart:1; // 82
USHORT Security:1;
USHORT Removable:1;
USHORT PowerMngt:1;
USHORT Packet:1;
USHORT WriteCache:1;
USHORT LookAhead:1;
USHORT ReleaseDRQ:1;
USHORT ServiceDRQ:1;
USHORT Reset:1;
USHORT Protected:1;
USHORT Reserved_82_11:1;
USHORT WriteBuffer:1;
USHORT ReadBuffer:1;
USHORT Nop:1;
USHORT Reserved_82_15:1;
USHORT Microcode:1; // 83/86
USHORT Queued:1;
USHORT CFA:1;
USHORT APM:1;
USHORT Notify:1;
USHORT Standby:1;
USHORT Spinup:1;
USHORT Reserver_83_7:1;
USHORT MaxSecurity:1;
USHORT AutoAcoustic:1;
USHORT Address48:1;
USHORT ConfigOverlay:1;
USHORT FlushCache:1;
USHORT FlushCache48:1;
USHORT SupportOne:1;
USHORT SupportZero:1;
USHORT SmartErrorLog:1; // 84/87
USHORT SmartSelfTest:1;
USHORT MediaSerialNo:1;
USHORT MediaCardPass:1;
USHORT Streaming:1;
USHORT Logging:1;
USHORT Reserver_84_6:8;
USHORT ExtendedOne:1;
USHORT ExtendedZero:1;
} FeaturesSupport, FeaturesEnabled;
USHORT Reserved6[13]; // 88-99
ULONGLONG UserAddressableSectors48; // 100-103
USHORT Reserved7[151]; // 104-255
} IDENTIFY_DATA, *PIDENTIFY_DATA;
#include <poppack.h>
#define IDENTIFY_DATA_SIZE sizeof(IDENTIFY_DATA)
#define ATAPI_MAGIC_LSB 0x14
#define ATAPI_MAGIC_MSB 0xEB
#define MAXIMUM_CDROM_SIZE 804
typedef struct _DEVICE_UNIT
{
UCHAR Channel;
UCHAR DeviceNumber;
ULONG Cylinders;
ULONG Heads;
ULONG Sectors;
ULONG SectorSize;
ULONGLONG TotalSectors; /* This number starts from 0 */
USHORT Flags;
IDENTIFY_DATA IdentifyData;
} DEVICE_UNIT, *PDEVICE_UNIT;
#define ATA_DEVICE_ATAPI (1 << 0)
#define ATA_DEVICE_NO_MEDIA (1 << 1)
#define ATA_DEVICE_NOT_READY (1 << 2)
#define ATA_DEVICE_LBA48 (1 << 3)
#define ATA_DEVICE_LBA (1 << 4)
#define ATA_DEVICE_CHS (1 << 5)
/* PROTOTYPES ****************************************************************/
BOOLEAN
AtaInit(
OUT PUCHAR DetectedCount
);
VOID
AtaFree();
PDEVICE_UNIT
AtaGetDevice(
IN UCHAR UnitNumber
);
BOOLEAN
AtaAtapiReadLogicalSectorsLBA(
IN OUT PDEVICE_UNIT DeviceUnit,
IN ULONGLONG SectorNumber,
IN ULONG SectorCount,
OUT PVOID Buffer
);