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-rw-r--r--src/devices/bus/ata/idehd.cpp879
1 files changed, 0 insertions, 879 deletions
diff --git a/src/devices/bus/ata/idehd.cpp b/src/devices/bus/ata/idehd.cpp
deleted file mode 100644
index dd1a8f932ec..00000000000
--- a/src/devices/bus/ata/idehd.cpp
+++ /dev/null
@@ -1,879 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:smf
-#include "emu.h"
-#include "idehd.h"
-
-/***************************************************************************
- DEBUGGING
-***************************************************************************/
-
-#define VERBOSE 0
-#define PRINTF_IDE_COMMANDS 0
-#define PRINTF_IDE_PASSWORD 0
-
-#define LOGPRINT(x) do { if (VERBOSE) logerror x; if (PRINTF_IDE_COMMANDS) osd_printf_debug x; } while (0)
-
-#define TIME_PER_SECTOR_WRITE (attotime::from_usec(100))
-#define TIME_PER_ROTATION (attotime::from_hz(5400/60))
-#define TIME_BETWEEN_SECTORS (attotime::from_nsec(400))
-
-#define TIME_FULL_STROKE_SEEK (attotime::from_usec(13000))
-#define TIME_AVERAGE_ROTATIONAL_LATENCY (attotime::from_usec(1300))
-
-ata_mass_storage_device::ata_mass_storage_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
- : ata_hle_device(mconfig, type, tag, owner, clock),
- m_can_identify_device(0),
- m_num_cylinders(0),
- m_num_sectors(0),
- m_num_heads(0), m_cur_lba(0), m_block_count(0), m_sectors_until_int(0), m_master_password_enable(0), m_user_password_enable(0),
- m_master_password(nullptr),
- m_user_password(nullptr),
- m_dma_transfer_time(attotime::zero)
-{
-}
-
-/*************************************
- *
- * Compute the LBA address
- *
- *************************************/
-
-uint32_t ata_mass_storage_device::lba_address()
-{
- /* LBA direct? */
- if (m_device_head & IDE_DEVICE_HEAD_L)
- return ((m_device_head & IDE_DEVICE_HEAD_HS) << 24) | (m_cylinder_high << 16) | (m_cylinder_low << 8) | m_sector_number;
-
- /* standard CHS */
- else
- return (((((m_cylinder_high << 8) | m_cylinder_low) * m_num_heads) + (m_device_head & IDE_DEVICE_HEAD_HS)) * m_num_sectors) + m_sector_number - 1;
-}
-
-
-/*************************************
- *
- * Build a features page
- *
- *************************************/
-
-static void swap_strncpy(uint16_t *dst, const char *src, int field_size_in_words)
-{
- for (int i = 0; i < field_size_in_words; i++)
- {
- uint16_t d;
-
- if (*src)
- {
- d = *(src++) << 8;
- }
- else
- {
- d = ' ' << 8;
- }
-
- if (*src)
- {
- d |= *(src++);
- }
- else
- {
- d |= ' ';
- }
-
- dst[i] = d;
- }
-
- assert(*(src) == 0);
-}
-
-
-void ata_mass_storage_device::ide_build_identify_device()
-{
- memset(m_identify_buffer, 0, sizeof(m_identify_buffer));
- int total_sectors = m_num_cylinders * m_num_heads * m_num_sectors;
-
- /* basic geometry */
- m_identify_buffer[0] = 0x045a; /* 0: configuration bits */
- m_identify_buffer[1] = m_num_cylinders; /* 1: logical cylinders */
- m_identify_buffer[2] = 0; /* 2: reserved */
- m_identify_buffer[3] = m_num_heads; /* 3: logical heads */
- m_identify_buffer[4] = 0; /* 4: vendor specific (obsolete) */
- m_identify_buffer[5] = 0; /* 5: vendor specific (obsolete) */
- m_identify_buffer[6] = m_num_sectors; /* 6: logical sectors per logical track */
- m_identify_buffer[7] = 0; /* 7: vendor-specific */
- m_identify_buffer[8] = 0; /* 8: vendor-specific */
- m_identify_buffer[9] = 0; /* 9: vendor-specific */
- swap_strncpy(&m_identify_buffer[10], /* 10-19: serial number */
- "00000000000000000000", 10);
- m_identify_buffer[20] = 0; /* 20: vendor-specific */
- m_identify_buffer[21] = 0; /* 21: vendor-specific */
- m_identify_buffer[22] = 4; /* 22: # of vendor-specific bytes on read/write long commands */
- swap_strncpy(&m_identify_buffer[23], /* 23-26: firmware revision */
- "1.0", 4);
- swap_strncpy(&m_identify_buffer[27], /* 27-46: model number */
- "MAME Compressed Hard Disk", 20);
- m_identify_buffer[47] = 0x8010; /* 47: read/write multiple support, value from Seagate Quantum Fireball */
- m_identify_buffer[48] = 0; /* 48: reserved */
- m_identify_buffer[49] = 0x0f03; /* 49: capabilities */
- m_identify_buffer[50] = 0; /* 50: reserved */
- m_identify_buffer[51] = 2; /* 51: PIO data transfer cycle timing mode */
- m_identify_buffer[52] = 2; /* 52: single word DMA transfer cycle timing mode */
- m_identify_buffer[53] = 3; /* 53: field validity */
- m_identify_buffer[54] = m_num_cylinders; /* 54: number of current logical cylinders */
- m_identify_buffer[55] = m_num_heads; /* 55: number of current logical heads */
- m_identify_buffer[56] = m_num_sectors; /* 56: number of current logical sectors per track */
- m_identify_buffer[57] = total_sectors & 0xffff; /* 57-58: current capacity in sectors (ATA-1 through ATA-5; obsoleted in ATA-6) */
- m_identify_buffer[58] = total_sectors >> 16;
- m_identify_buffer[59] = 0; /* 59: multiple sector timing */
- m_identify_buffer[60] = total_sectors & 0xffff; /* 60-61: total user addressable sectors for LBA mode (ATA-1 through ATA-7) */
- m_identify_buffer[61] = total_sectors >> 16;
- m_identify_buffer[62] = 0x0007; /* 62: single word dma transfer */
- m_identify_buffer[63] = 0x0407; /* 63: multiword DMA transfer */
- m_identify_buffer[64] = 0x0003; /* 64: flow control PIO transfer modes supported */
- m_identify_buffer[65] = 0x78; /* 65: minimum multiword DMA transfer cycle time per word */
- m_identify_buffer[66] = 0x78; /* 66: mfr's recommended multiword DMA transfer cycle time */
- m_identify_buffer[67] = 0x014d; /* 67: minimum PIO transfer cycle time without flow control */
- m_identify_buffer[68] = 0x78; /* 68: minimum PIO transfer cycle time with IORDY */
- m_identify_buffer[69] = 0x00; /* 69-70: reserved */
- m_identify_buffer[71] = 0x00; /* 71: reserved for IDENTIFY PACKET command */
- m_identify_buffer[72] = 0x00; /* 72: reserved for IDENTIFY PACKET command */
- m_identify_buffer[73] = 0x00; /* 73: reserved for IDENTIFY PACKET command */
- m_identify_buffer[74] = 0x00; /* 74: reserved for IDENTIFY PACKET command */
- m_identify_buffer[75] = 0x00; /* 75: queue depth */
- m_identify_buffer[76] = 0x00; /* 76-79: reserved */
- m_identify_buffer[80] = 0x00; /* 80: major version number */
- m_identify_buffer[81] = 0x00; /* 81: minor version number */
- m_identify_buffer[82] = 0x00; /* 82: command set supported */
- m_identify_buffer[83] = 0x00; /* 83: command sets supported */
- m_identify_buffer[84] = 0x00; /* 84: command set/feature supported extension */
- m_identify_buffer[85] = 0x00; /* 85: command set/feature enabled */
- m_identify_buffer[86] = 0x00; /* 86: command set/feature enabled */
- m_identify_buffer[87] = 0x00; /* 87: command set/feature default */
- m_identify_buffer[88] = 0x00; /* 88: additional DMA modes (ultra dma) */
- m_identify_buffer[89] = 0x00; /* 89: time required for security erase unit completion */
- m_identify_buffer[90] = 0x00; /* 90: time required for enhanced security erase unit completion */
- m_identify_buffer[91] = 0x00; /* 91: current advanced power management value */
- m_identify_buffer[92] = 0x00; /* 92: master password revision code */
- m_identify_buffer[93] = 0x00; /* 93: hardware reset result */
- m_identify_buffer[94] = 0x00; /* 94: acoustic management values */
- m_identify_buffer[95] = 0x00; /* 95-99: reserved */
- m_identify_buffer[100] = total_sectors & 0xffff; /* 100-103: maximum 48-bit LBA */
- m_identify_buffer[101] = total_sectors >> 16;
- m_identify_buffer[102] = 0x00;
- m_identify_buffer[103] = 0x00;
- m_identify_buffer[104] = 0x00; /* 104-126: reserved */
- m_identify_buffer[127] = 0x00; /* 127: removable media status notification */
- m_identify_buffer[128] = 0x00; /* 128: security status */
- m_identify_buffer[129] = 0x00; /* 129-159: vendor specific */
- m_identify_buffer[160] = 0x00; /* 160: CFA power mode 1 */
- m_identify_buffer[161] = 0x00; /* 161-175: reserved for CompactFlash */
- m_identify_buffer[176] = 0x00; /* 176-205: current media serial number */
- m_identify_buffer[206] = 0x00; /* 206-254: reserved */
- m_identify_buffer[255] = 0x00; /* 255: integrity word */
-
- if (total_sectors >= 16514064)
- {
- /// CHS limit
- m_identify_buffer[1] = 16383; /* 1: logical cylinders */
- m_identify_buffer[3] = 16; /* 3: logical heads */
- m_identify_buffer[6] = 63; /* 6: logical sectors per logical track */
- m_identify_buffer[54] = 16383; /* 54: number of current logical cylinders */
- m_identify_buffer[55] = 16; /* 55: number of current logical heads */
- m_identify_buffer[56] = 63; /* 56: number of current logical sectors per track */
- m_identify_buffer[57] = 16514064 & 0xffff; /* 57-58: current capacity in sectors (ATA-1 through ATA-5; obsoleted in ATA-6) */
- m_identify_buffer[58] = 16514064 >> 16;
- }
-
- if (total_sectors > 268435455)
- {
- /// LBA limit
- m_identify_buffer[60] = 268435455 & 0xffff; /* 60-61: total user addressable sectors for LBA mode (ATA-1 through ATA-7) */
- m_identify_buffer[61] = 268435455 >> 16;
- }
-}
-
-//-------------------------------------------------
-// device_start - device-specific startup
-//-------------------------------------------------
-
-void ata_mass_storage_device::device_start()
-{
- ata_hle_device::device_start();
-
- save_item(NAME(m_can_identify_device));
- save_item(NAME(m_num_cylinders));
- save_item(NAME(m_num_sectors));
- save_item(NAME(m_num_heads));
-
- save_item(NAME(m_cur_lba));
- save_item(NAME(m_sectors_until_int));
- save_item(NAME(m_master_password_enable));
- save_item(NAME(m_user_password_enable));
- save_item(NAME(m_block_count));
-}
-
-void ata_mass_storage_device::soft_reset()
-{
- ata_hle_device::soft_reset();
-
- m_cur_lba = 0;
- m_status |= IDE_STATUS_DSC;
-
- m_master_password_enable = (m_master_password != nullptr);
- m_user_password_enable = (m_user_password != nullptr);
-}
-
-void ata_mass_storage_device::perform_diagnostic()
-{
- if (m_can_identify_device)
- m_error = IDE_ERROR_DIAGNOSTIC_PASSED;
-}
-
-void ata_mass_storage_device::signature()
-{
- m_sector_count = 1;
- m_sector_number = 1;
- m_cylinder_low = 0;
- m_cylinder_high = 0;
- m_device_head = 0;
-}
-
-void ata_mass_storage_device::finished_command()
-{
- int total_sectors = m_num_cylinders * m_num_heads * m_num_sectors;
-
- switch (m_command)
- {
- case IDE_COMMAND_IDENTIFY_DEVICE:
- if (m_can_identify_device)
- {
- for( int w = 0; w < 256; w++ )
- {
- m_buffer[w * 2] = m_identify_buffer[ w ] & 0xff;
- m_buffer[(w * 2) + 1] = m_identify_buffer[ w ] >> 8;
- }
-
- m_status |= IDE_STATUS_DRQ;
- }
- else
- {
- m_status |= IDE_STATUS_ERR;
- m_error = IDE_ERROR_NONE;
- }
-
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_SET_CONFIG:
- set_geometry(m_sector_count,(m_device_head & IDE_DEVICE_HEAD_HS) + 1);
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_READ_SECTORS:
- case IDE_COMMAND_READ_SECTORS_NORETRY:
- case IDE_COMMAND_READ_MULTIPLE:
- case IDE_COMMAND_VERIFY_SECTORS:
- case IDE_COMMAND_VERIFY_SECTORS_NORETRY:
- case IDE_COMMAND_READ_DMA:
- finished_read();
- break;
-
- case IDE_COMMAND_WRITE_SECTORS:
- case IDE_COMMAND_WRITE_SECTORS_NORETRY:
- case IDE_COMMAND_WRITE_MULTIPLE:
- case IDE_COMMAND_WRITE_DMA:
- finished_write();
- break;
-
- case IDE_COMMAND_RECALIBRATE:
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_READ_NATIVE_MAX_ADDRESS:
- m_buffer[0] = (total_sectors & 0xff000000) >> 24;
- m_buffer[1] = (total_sectors & 0x00ff0000) >> 16;
- m_buffer[2] = (total_sectors & 0x0000ff00) >> 8;
- m_buffer[3] = (total_sectors & 0x000000ff);
- set_irq(ASSERT_LINE);
- break;
-
- default:
- ata_hle_device::finished_command();
- break;
- }
-}
-
-/*************************************
- *
- * Advance to the next sector
- *
- *************************************/
-
-void ata_mass_storage_device::next_sector()
-{
- uint8_t cur_head = m_device_head & IDE_DEVICE_HEAD_HS;
-
- /* LBA direct? */
- if (m_device_head & IDE_DEVICE_HEAD_L)
- {
- m_sector_number++;
- if (m_sector_number == 0)
- {
- m_cylinder_low++;
- if (m_cylinder_low == 0)
- {
- m_cylinder_high++;
- if (m_cylinder_high == 0)
- cur_head++;
- }
- }
- }
-
- /* standard CHS */
- else
- {
- /* sectors are 1-based */
- m_sector_number++;
- if (m_sector_number > m_num_sectors)
- {
- /* heads are 0 based */
- m_sector_number = 1;
- cur_head++;
- if (cur_head >= m_num_heads)
- {
- cur_head = 0;
- m_cylinder_low++;
- if (m_cylinder_low == 0)
- m_cylinder_high++;
- }
- }
- }
-
- m_device_head = (m_device_head & ~IDE_DEVICE_HEAD_HS) | cur_head;
-
- m_cur_lba = lba_address();
-}
-
-
-
-/*************************************
- *
- * security error handling
- *
- *************************************/
-
-void ata_mass_storage_device::security_error()
-{
- /* set error state */
- m_status |= IDE_STATUS_ERR;
- m_error = IDE_ERROR_NONE;
- m_status &= ~IDE_STATUS_DRDY;
-}
-
-
-
-/*************************************
- *
- * Sector reading
- *
- *************************************/
-
-attotime ata_mass_storage_device::seek_time()
-{
- int sectors_per_cylinder = m_num_heads * m_num_sectors;
-
- if (sectors_per_cylinder == 0 || m_num_cylinders == 0)
- return attotime::zero;
-
- int new_lba = lba_address();
- int old_cylinder = m_cur_lba / sectors_per_cylinder;
- int new_cylinder = new_lba / sectors_per_cylinder;
- int diff = abs(old_cylinder - new_cylinder);
-
- m_cur_lba = new_lba;
-
- if (diff == 0)
- return TIME_BETWEEN_SECTORS;
-
- attotime seek_time = (TIME_FULL_STROKE_SEEK * diff) / m_num_cylinders;
-
- return seek_time + TIME_AVERAGE_ROTATIONAL_LATENCY;
-}
-
-void ata_mass_storage_device::fill_buffer()
-{
- switch (m_command)
- {
- case IDE_COMMAND_IDENTIFY_DEVICE:
- break;
-
- case IDE_COMMAND_READ_MULTIPLE:
- /* if there is more data to read, keep going */
- if (m_sector_count > 0)
- m_sector_count--;
-
- if (m_sector_count > 0)
- {
- // Read the next sector with no delay
- finished_read();
- }
- break;
-
- default:
- /* if there is more data to read, keep going */
- if (m_sector_count > 0)
- m_sector_count--;
-
- if (m_sector_count > 0)
- {
- set_dasp(ASSERT_LINE);
- if (m_command == IDE_COMMAND_READ_DMA)
- start_busy(TIME_BETWEEN_SECTORS + m_dma_transfer_time, PARAM_COMMAND);
- else
- start_busy(TIME_BETWEEN_SECTORS, PARAM_COMMAND);
- }
- break;
- }
-}
-
-
-void ata_mass_storage_device::finished_read()
-{
- int lba = lba_address(), read_status;
-
- set_dasp(CLEAR_LINE);
-
- /* now do the read */
- read_status = read_sector(lba, &m_buffer[0]);
-
- /* if we succeeded, advance to the next sector and set the nice bits */
- if (read_status)
- {
- /* advance the pointers, unless this is the last sector */
- /* Gauntlet: Dark Legacy checks to make sure we stop on the last sector */
- if (m_sector_count != 1)
- next_sector();
-
- /* signal an interrupt, IDE_COMMAND_READ_MULTIPLE sets the interrupt at the start the block */
- if (--m_sectors_until_int == 0 || (m_sector_count == 1 && m_command != IDE_COMMAND_READ_MULTIPLE))
- {
- m_sectors_until_int = ((m_command == IDE_COMMAND_READ_MULTIPLE) ? m_block_count : 1);
- set_irq(ASSERT_LINE);
- }
-
- /* if we're just verifying we can read the next sector */
- if (m_command == IDE_COMMAND_VERIFY_SECTORS ||
- m_command == IDE_COMMAND_VERIFY_SECTORS_NORETRY )
- {
- read_buffer_empty();
- }
- else
- {
- m_status |= IDE_STATUS_DRQ;
-
- if (m_command == IDE_COMMAND_READ_DMA)
- set_dmarq(ASSERT_LINE);
- }
- }
-
- /* if we got an error, we need to report it */
- else
- {
- /* set the error flag and the error */
- m_status |= IDE_STATUS_ERR;
- m_error = IDE_ERROR_BAD_SECTOR;
-
- /* signal an interrupt */
- set_irq(ASSERT_LINE);
- }
-}
-
-
-void ata_mass_storage_device::read_first_sector()
-{
- if (m_master_password_enable || m_user_password_enable)
- {
- security_error();
- }
- else
- {
- set_dasp(ASSERT_LINE);
-
- start_busy(seek_time(), PARAM_COMMAND);
- }
-}
-
-/*************************************
- *
- * Sector writing
- *
- *************************************/
-
-void ata_mass_storage_device::process_buffer()
-{
- if (m_command == IDE_COMMAND_SECURITY_UNLOCK)
- {
- if (m_user_password_enable && memcmp(&m_buffer[0], m_user_password, 2 + 32) == 0)
- {
- LOGPRINT(("IDE Unlocked user password\n"));
- m_user_password_enable = 0;
- }
- if (m_master_password_enable && memcmp(&m_buffer[0], m_master_password, 2 + 32) == 0)
- {
- LOGPRINT(("IDE Unlocked master password\n"));
- m_master_password_enable = 0;
- }
- if (PRINTF_IDE_PASSWORD)
- {
- int i;
-
- for (i = 0; i < 34; i += 2)
- {
- if (i % 8 == 2)
- osd_printf_debug("\n");
-
- osd_printf_debug("0x%02x, 0x%02x, ", m_buffer[i], m_buffer[i + 1]);
- //osd_printf_debug("0x%02x%02x, ", m_buffer[i], m_buffer[i + 1]);
- }
- osd_printf_debug("\n");
- }
-
- if (m_master_password_enable || m_user_password_enable)
- security_error();
- }
- else if (m_command == IDE_COMMAND_SECURITY_DISABLE_PASSWORD)
- {
- LOGPRINT(("IDE Done unimplemented SECURITY_DISABLE_PASSWORD command\n"));
- }
- else
- {
- set_dasp(ASSERT_LINE);
-
- if (m_command == IDE_COMMAND_WRITE_MULTIPLE)
- {
- if (m_sectors_until_int != 1)
- {
- /* ready to write now */
- finished_write();
- }
- else
- {
- /* set a timer to do the write */
- start_busy(TIME_PER_SECTOR_WRITE, PARAM_COMMAND);
- }
- }
- else
- {
- /* set a timer to do the write */
- start_busy(TIME_PER_SECTOR_WRITE, PARAM_COMMAND);
- }
- }
-}
-
-
-void ata_mass_storage_device::finished_write()
-{
- int lba = lba_address(), count;
-
- set_dasp(CLEAR_LINE);
-
- /* now do the write */
- count = write_sector(lba, &m_buffer[0]);
-
- /* if we succeeded, advance to the next sector and set the nice bits */
- if (count == 1)
- {
- /* advance the pointers, unless this is the last sector */
- /* Gauntlet: Dark Legacy checks to make sure we stop on the last sector */
- if (m_sector_count != 1)
- next_sector();
-
- /* signal an interrupt */
- if (--m_sectors_until_int == 0 || m_sector_count == 1)
- {
- m_sectors_until_int = ((m_command == IDE_COMMAND_WRITE_MULTIPLE) ? m_block_count : 1);
- set_irq(ASSERT_LINE);
- }
-
- /* signal an interrupt if there's more data needed */
- if (m_sector_count > 0)
- m_sector_count--;
-
- if (m_sector_count > 0)
- {
- m_status |= IDE_STATUS_DRQ;
-
- if (m_command == IDE_COMMAND_WRITE_DMA)
- set_dmarq(ASSERT_LINE);
- }
- }
-
- /* if we got an error, we need to report it */
- else
- {
- /* set the error flag and the error */
- m_status |= IDE_STATUS_ERR;
- m_error = IDE_ERROR_BAD_SECTOR;
-
- /* signal an interrupt */
- set_irq(ASSERT_LINE);
- }
-}
-
-
-/*************************************
- *
- * Handle IDE commands
- *
- *************************************/
-
-void ata_mass_storage_device::process_command()
-{
- m_sectors_until_int = 0;
- m_buffer_size = IDE_DISK_SECTOR_SIZE;
-
- switch (m_command)
- {
- case IDE_COMMAND_READ_SECTORS:
- case IDE_COMMAND_READ_SECTORS_NORETRY:
- LOGPRINT(("IDE Read multiple: C=%u H=%d S=%u LBA=%u count=%u\n",
- (m_cylinder_high << 8) | m_cylinder_low, m_device_head & IDE_DEVICE_HEAD_HS, m_sector_number, lba_address(), m_sector_count));
-
- m_sectors_until_int = 1;
-
- /* start the read going */
- read_first_sector();
- break;
-
- case IDE_COMMAND_READ_MULTIPLE:
- LOGPRINT(("IDE Read multiple block: C=%u H=%u S=%u LBA=%u count=%u\n",
- (m_cylinder_high << 8) | m_cylinder_low, m_device_head & IDE_DEVICE_HEAD_HS, m_sector_number, lba_address(), m_sector_count));
-
- m_sectors_until_int = 1;
-
- /* start the read going */
- read_first_sector();
- break;
-
- case IDE_COMMAND_VERIFY_SECTORS:
- case IDE_COMMAND_VERIFY_SECTORS_NORETRY:
- LOGPRINT(("IDE Read verify multiple with/without retries: C=%u H=%u S=%u LBA=%u count=%u\n",
- (m_cylinder_high << 8) | m_cylinder_low, m_device_head & IDE_DEVICE_HEAD_HS, m_sector_number, lba_address(), m_sector_count));
-
- /* reset the buffer */
- m_sectors_until_int = m_sector_count;
-
- /* start the read going */
- read_first_sector();
- break;
-
- case IDE_COMMAND_READ_DMA:
- LOGPRINT(("IDE Read multiple DMA: C=%u H=%u S=%u LBA=%u count=%u\n",
- (m_cylinder_high << 8) | m_cylinder_low, m_device_head & IDE_DEVICE_HEAD_HS, m_sector_number, lba_address(), m_sector_count));
-
- /* reset the buffer */
- m_sectors_until_int = m_sector_count;
-
- /* start the read going */
- read_first_sector();
- break;
-
- case IDE_COMMAND_WRITE_SECTORS:
- case IDE_COMMAND_WRITE_SECTORS_NORETRY:
- LOGPRINT(("IDE Write multiple: C=%u H=%u S=%u LBA=%u count=%u\n",
- (m_cylinder_high << 8) | m_cylinder_low, m_device_head & IDE_DEVICE_HEAD_HS, m_sector_number, lba_address(), m_sector_count));
-
- /* reset the buffer */
- m_sectors_until_int = 1;
-
- /* mark the buffer ready */
- m_status |= IDE_STATUS_DRQ;
- break;
-
- case IDE_COMMAND_WRITE_MULTIPLE:
- LOGPRINT(("IDE Write multiple block: C=%u H=%u S=%u LBA=%u count=%u\n",
- (m_cylinder_high << 8) | m_cylinder_low, m_device_head & IDE_DEVICE_HEAD_HS, m_sector_number, lba_address(), m_sector_count));
-
- /* reset the buffer */
- m_sectors_until_int = m_block_count;
-
- /* mark the buffer ready */
- m_status |= IDE_STATUS_DRQ;
- break;
-
- case IDE_COMMAND_WRITE_DMA:
- LOGPRINT(("IDE Write multiple DMA: C=%u H=%u S=%u LBA=%u count=%u\n",
- (m_cylinder_high << 8) | m_cylinder_low, m_device_head & IDE_DEVICE_HEAD_HS, m_sector_number, lba_address(), m_sector_count));
-
- /* reset the buffer */
- m_sectors_until_int = m_sector_count;
-
- /* mark the buffer ready */
- m_status |= IDE_STATUS_DRQ;
-
- /* start the read going */
- set_dmarq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_SECURITY_UNLOCK:
- LOGPRINT(("IDE Security Unlock\n"));
-
- /* mark the buffer ready */
- m_status |= IDE_STATUS_DRQ;
-
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_SECURITY_DISABLE_PASSWORD:
- LOGPRINT(("IDE Unimplemented SECURITY DISABLE PASSWORD command\n"));
-
- /* mark the buffer ready */
- m_status |= IDE_STATUS_DRQ;
-
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_IDENTIFY_DEVICE:
- LOGPRINT(("IDE Identify device\n"));
-
- start_busy(MINIMUM_COMMAND_TIME, PARAM_COMMAND);
- break;
-
- case IDE_COMMAND_RECALIBRATE:
- start_busy(MINIMUM_COMMAND_TIME, PARAM_COMMAND);
- break;
-
- case IDE_COMMAND_IDLE:
- /* signal an interrupt */
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_SET_CONFIG:
- LOGPRINT(("IDE Set configuration (%u heads, %u sectors)\n", (m_device_head & IDE_DEVICE_HEAD_HS) + 1, m_sector_count));
-
- start_busy(MINIMUM_COMMAND_TIME, PARAM_COMMAND);
- break;
-
- case IDE_COMMAND_SET_MAX:
- LOGPRINT(("IDE Set max (%02X %02X %02X %02X %02X)\n", m_feature, m_sector_count & 0xff, m_sector_number, m_cylinder_low, m_cylinder_high));
-
- /* signal an interrupt */
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_SET_BLOCK_COUNT:
- LOGPRINT(("IDE Set block count (%u)\n", m_sector_count));
-
- m_block_count = m_sector_count;
-
- /* signal an interrupt */
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_SEEK:
- /* signal an interrupt */
- set_irq(ASSERT_LINE);
- break;
-
- case IDE_COMMAND_READ_NATIVE_MAX_ADDRESS:
- start_busy(MINIMUM_COMMAND_TIME, PARAM_COMMAND);
- break;
-
- default:
- ata_hle_device::process_command();
- break;
- }
-}
-
-//**************************************************************************
-// IDE HARD DISK DEVICE
-//**************************************************************************
-
-// device type definition
-DEFINE_DEVICE_TYPE(IDE_HARDDISK, ide_hdd_device, "idehd", "IDE Hard Disk")
-
-//-------------------------------------------------
-// ide_hdd_device - constructor
-//-------------------------------------------------
-
-ide_hdd_device::ide_hdd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : ide_hdd_device(mconfig, IDE_HARDDISK, tag, owner, clock)
-{
-}
-
-ide_hdd_device::ide_hdd_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
- : ata_mass_storage_device(mconfig, type, tag, owner, clock),
- m_image(*this, "image")
-{
-}
-
-void ide_hdd_device::device_start()
-{
- ata_mass_storage_device::device_start();
-
- /* create a timer for timing status */
- m_last_status_timer = timer_alloc(TID_NULL);
-}
-
-//-------------------------------------------------
-// device_reset - device-specific reset
-//-------------------------------------------------
-
-void ide_hdd_device::device_reset()
-{
- m_handle = m_image->get_chd_file();
- m_disk = m_image->get_hard_disk_file();
-
- if (m_disk != nullptr && !m_can_identify_device)
- {
- const hard_disk_info *hdinfo = hard_disk_get_info(m_disk);
- if (hdinfo->sectorbytes == IDE_DISK_SECTOR_SIZE)
- {
- m_num_cylinders = hdinfo->cylinders;
- m_num_sectors = hdinfo->sectors;
- m_num_heads = hdinfo->heads;
- if (PRINTF_IDE_COMMANDS) osd_printf_debug("CHS: %u %u %u\n", m_num_cylinders, m_num_heads, m_num_sectors);
- osd_printf_debug("CHS: %u %u %u\n", m_num_cylinders, m_num_heads, m_num_sectors);
- }
-
- // build the features page
- uint32_t metalength;
- if (m_handle && !m_handle->read_metadata(HARD_DISK_IDENT_METADATA_TAG, 0, &m_buffer[0], 512, metalength))
- {
- for( int w = 0; w < 256; w++ )
- {
- m_identify_buffer[w] = (m_buffer[(w * 2) + 1] << 8) | m_buffer[w * 2];
- }
- }
- else
- {
- ide_build_identify_device();
- }
-
- m_can_identify_device = 1;
- }
-
- ata_mass_storage_device::device_reset();
-}
-
-uint8_t ide_hdd_device::calculate_status()
-{
- uint8_t result = ata_hle_device::calculate_status();
-
- if (m_last_status_timer->elapsed() > TIME_PER_ROTATION)
- {
- result |= IDE_STATUS_IDX;
- m_last_status_timer->adjust(attotime::never);
- }
-
- return result;
-}
-
-//-------------------------------------------------
-// device_add_mconfig - add device configuration
-//-------------------------------------------------
-
-void ide_hdd_device::device_add_mconfig(machine_config &config)
-{
- HARDDISK(config, "image", "ide_hdd");
-}