Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-28 01:55:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

[FREELDR] Fix indentation. No code changes

Browse source
This commit is contained in:
Dmitry Borisov 2020-01-14 04:45:22 +06:00 committed by Hermès Bélusca-Maïto
parent 214a9cb660
commit dc81ecf84b
No known key found for this signature in database
GPG key ID: 3B2539C65E7B93D0
1 changed files with 78 additions and 78 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

156
boot/freeldr/freeldr/arch/drivers/hwide.c
View file

@ -244,100 +244,100 @@ AtaReadLogicalSectorsLBA(
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);
/* 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)
/* Convert LBA into a format CHS if needed */
if (DeviceUnit->Flags & ATA_DEVICE_CHS)
{
Cylinder = SectorNumber / ChsTemp;
Head = (SectorNumber % ChsTemp) / DeviceUnit->IdentifyData.SectorsPerTrack;
Sector = (SectorNumber % DeviceUnit->IdentifyData.SectorsPerTrack) + 1;
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
{
Cylinder = 0;
Head = 0;
Sector = 1;
Lba = SectorNumber;
}
Lba = (Sector & 0xFF) | ((Cylinder & 0xFFFFF) << 8) | ((Head & 0x0F) << 24);
}
else
{
Lba = SectorNumber;
}
/* Select the drive */
if (!SelectDevice(DeviceUnit->Channel, DeviceUnit->DeviceNumber))
return FALSE;
/* Select the drive */
if (!SelectDevice(DeviceUnit->Channel, DeviceUnit->DeviceNumber))
return FALSE;
/* Disable interrupts */
/* Disable interrupts */
#ifndef SARCH_PC98
AtaWritePort(DeviceUnit->Channel, IDX_IO2_o_AltStatus, IDE_DC_DISABLE_INTERRUPTS);
StallExecutionProcessor(1);
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))
if (UseLBA48)
{
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;
/* 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;
}
/* Transfer the data block */
AtaReadBuffer(DeviceUnit->Channel, Buffer, DeviceUnit->SectorSize);
/* Send read command */
AtaWritePort(DeviceUnit->Channel, IDX_IO1_o_Command, Command);
StallExecutionProcessor(5);
Buffer = (PVOID)((ULONG_PTR)Buffer + DeviceUnit->SectorSize);
}
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;
}
SectorNumber += BlockCount;
SectorCount -= BlockCount;
/* Transfer the data block */
AtaReadBuffer(DeviceUnit->Channel, Buffer, DeviceUnit->SectorSize);
Buffer = (PVOID)((ULONG_PTR)Buffer + DeviceUnit->SectorSize);
}
SectorNumber += BlockCount;
SectorCount -= BlockCount;
}
return TRUE;