Device model for an IDE disk. More...

#include "base/statistics.hh"
#include "dev/io_device.hh"
#include "dev/storage/disk_image.hh"
#include "dev/storage/ide_atareg.h"
#include "dev/storage/ide_ctrl.hh"
#include "dev/storage/ide_wdcreg.h"
#include "params/IdeDisk.hh"
#include "sim/eventq.hh"

Classes
struct	gem5::PrdEntry_t

class	gem5::PrdTableEntry

struct	gem5::CommandReg_t

class	gem5::IdeDisk
	IDE Disk device model. More...

struct	gem5::IdeDisk::IdeDiskStats

Namespaces
	gem5
	Reference material can be found at the JEDEC website: UFS standard http://www.jedec.org/standards-documents/results/jesd220 UFS HCI specification http://www.jedec.org/standards-documents/results/jesd223.

Macros
#define	DMA_BACKOFF_PERIOD 200

#define	MAX_DMA_SIZE 0x20000

#define	MAX_SINGLE_DMA_SIZE 0x10000

#define	MAX_MULTSECT (128)

#define	PRD_BASE_MASK 0xfffffffe

#define	PRD_COUNT_MASK 0xfffe

#define	PRD_EOT_MASK 0x8000

#define	DATA_OFFSET (0)

#define	ERROR_OFFSET (1)

#define	FEATURES_OFFSET (1)

#define	NSECTOR_OFFSET (2)

#define	SECTOR_OFFSET (3)

#define	LCYL_OFFSET (4)

#define	HCYL_OFFSET (5)

#define	SELECT_OFFSET (6)

#define	DRIVE_OFFSET (6)

#define	STATUS_OFFSET (7)

#define	COMMAND_OFFSET (7)

#define	CONTROL_OFFSET (2)

#define	ALTSTAT_OFFSET (2)

#define	SELECT_DEV_BIT 0x10

#define	CONTROL_RST_BIT 0x04

#define	CONTROL_IEN_BIT 0x02

#define	STATUS_BSY_BIT 0x80

#define	STATUS_DRDY_BIT 0x40

#define	STATUS_DRQ_BIT 0x08

#define	STATUS_SEEK_BIT 0x10

#define	STATUS_DF_BIT 0x20

#define	DRIVE_LBA_BIT 0x40

#define	DEV0 (0)

#define	DEV1 (1)

Enumerations
enum	gem5::Events_t { gem5::None = 0 , gem5::Transfer , gem5::ReadWait , gem5::WriteWait , gem5::PrdRead , gem5::DmaRead , gem5::DmaWrite }

enum	gem5::DevAction_t { gem5::ACT_NONE = 0 , gem5::ACT_CMD_WRITE , gem5::ACT_CMD_COMPLETE , gem5::ACT_CMD_ERROR , gem5::ACT_SELECT_WRITE , gem5::ACT_STAT_READ , gem5::ACT_DATA_READY , gem5::ACT_DATA_READ_BYTE , gem5::ACT_DATA_READ_SHORT , gem5::ACT_DATA_WRITE_BYTE , gem5::ACT_DATA_WRITE_SHORT , gem5::ACT_DMA_READY , gem5::ACT_DMA_DONE , gem5::ACT_SRST_SET , gem5::ACT_SRST_CLEAR }

enum	gem5::DevState_t { gem5::Device_Idle_S = 0 , gem5::Device_Idle_SI , gem5::Device_Idle_NS , gem5::Device_Srst , gem5::Command_Execution , gem5::Prepare_Data_In , gem5::Data_Ready_INTRQ_In , gem5::Transfer_Data_In , gem5::Prepare_Data_Out , gem5::Data_Ready_INTRQ_Out , gem5::Transfer_Data_Out , gem5::Prepare_Data_Dma , gem5::Transfer_Data_Dma , gem5::Device_Dma_Abort }

enum	gem5::DmaState_t { gem5::Dma_Idle = 0 , gem5::Dma_Start , gem5::Dma_Transfer }

Detailed Description

Device model for an IDE disk.

Definition in file ide_disk.hh.

Macro Definition Documentation

◆ ALTSTAT_OFFSET

#define ALTSTAT_OFFSET (2)

Definition at line 114 of file ide_disk.hh.

◆ COMMAND_OFFSET

#define COMMAND_OFFSET (7)

Definition at line 111 of file ide_disk.hh.

◆ CONTROL_IEN_BIT

#define CONTROL_IEN_BIT 0x02

Definition at line 118 of file ide_disk.hh.

◆ CONTROL_OFFSET

#define CONTROL_OFFSET (2)

Definition at line 113 of file ide_disk.hh.

◆ CONTROL_RST_BIT

#define CONTROL_RST_BIT 0x04

Definition at line 117 of file ide_disk.hh.

◆ DATA_OFFSET

#define DATA_OFFSET (0)

Definition at line 101 of file ide_disk.hh.

◆ DEV0

#define DEV0 (0)

Definition at line 126 of file ide_disk.hh.

◆ DEV1

#define DEV1 (1)

Definition at line 127 of file ide_disk.hh.

◆ DMA_BACKOFF_PERIOD

#define DMA_BACKOFF_PERIOD 200

Definition at line 62 of file ide_disk.hh.

◆ DRIVE_LBA_BIT

#define DRIVE_LBA_BIT 0x40

Definition at line 124 of file ide_disk.hh.

◆ DRIVE_OFFSET

#define DRIVE_OFFSET (6)

Definition at line 109 of file ide_disk.hh.

◆ ERROR_OFFSET

#define ERROR_OFFSET (1)

Definition at line 102 of file ide_disk.hh.

◆ FEATURES_OFFSET

#define FEATURES_OFFSET (1)

Definition at line 103 of file ide_disk.hh.

◆ HCYL_OFFSET

#define HCYL_OFFSET (5)

Definition at line 107 of file ide_disk.hh.

◆ LCYL_OFFSET

#define LCYL_OFFSET (4)

Definition at line 106 of file ide_disk.hh.

◆ MAX_DMA_SIZE

#define MAX_DMA_SIZE 0x20000

Definition at line 64 of file ide_disk.hh.

◆ MAX_MULTSECT

#define MAX_MULTSECT (128)

Definition at line 66 of file ide_disk.hh.

◆ MAX_SINGLE_DMA_SIZE

#define MAX_SINGLE_DMA_SIZE 0x10000

Definition at line 65 of file ide_disk.hh.

◆ NSECTOR_OFFSET

#define NSECTOR_OFFSET (2)

Definition at line 104 of file ide_disk.hh.

◆ PRD_BASE_MASK

#define PRD_BASE_MASK 0xfffffffe

Definition at line 68 of file ide_disk.hh.

◆ PRD_COUNT_MASK

#define PRD_COUNT_MASK 0xfffe

Definition at line 69 of file ide_disk.hh.

◆ PRD_EOT_MASK

#define PRD_EOT_MASK 0x8000

Definition at line 70 of file ide_disk.hh.

◆ SECTOR_OFFSET

#define SECTOR_OFFSET (3)

Definition at line 105 of file ide_disk.hh.

◆ SELECT_DEV_BIT

#define SELECT_DEV_BIT 0x10

Definition at line 116 of file ide_disk.hh.

◆ SELECT_OFFSET

#define SELECT_OFFSET (6)

Definition at line 108 of file ide_disk.hh.

◆ STATUS_BSY_BIT

#define STATUS_BSY_BIT 0x80

Definition at line 119 of file ide_disk.hh.

◆ STATUS_DF_BIT

#define STATUS_DF_BIT 0x20

Definition at line 123 of file ide_disk.hh.

◆ STATUS_DRDY_BIT

#define STATUS_DRDY_BIT 0x40

Definition at line 120 of file ide_disk.hh.

◆ STATUS_DRQ_BIT

#define STATUS_DRQ_BIT 0x08

Definition at line 121 of file ide_disk.hh.

◆ STATUS_OFFSET

#define STATUS_OFFSET (7)

Definition at line 110 of file ide_disk.hh.

◆ STATUS_SEEK_BIT

#define STATUS_SEEK_BIT 0x10

Definition at line 122 of file ide_disk.hh.

Classes

Namespaces

Macros

Enumerations