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/* |
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* PearPC |
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* ide.cc |
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* |
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* Copyright (C) 2003, 2004 Sebastian Biallas (sb@biallas.net) |
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* Some ideas from harddrv.cc from Bochs (http://bochs.sf.net) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include <cerrno> |
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#include <cstdlib> |
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#include <cstring> |
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|
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#include "tools/data.h" |
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#include "tools/snprintf.h" |
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#include "system/arch/sysendian.h" |
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#include "cpu/cpu.h" |
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#include "cpu/debug.h" |
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#include "cpu/mem.h" |
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#include "io/pic/pic.h" |
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#include "io/pci/pci.h" |
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#include "debug/tracers.h" |
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#include "ide.h" |
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#include "ata.h" |
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#include "cd.h" |
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#include "system/syscdrom.h" |
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|
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#define IDE_ADDRESS_ISA_BASE 0x1f0 |
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#define IDE_ADDRESS_ISA_BASE2 0x354 |
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|
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#define IDE_ADDRESS_DATA 0x0 // R/W |
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#define IDE_ADDRESS_ERROR 0x1 // R |
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#define IDE_ADDRESS_FEATURE 0x1 // W |
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#define IDE_ADDRESS_SEC_CNT 0x2 // R/W ATA |
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#define IDE_ADDRESS_INTR_REASON 0x2 // R/W ATAPI |
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#define IDE_ADDRESS_SEC_NO 0x3 // R/W |
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#define IDE_ADDRESS_CYL_LSB 0x4 // R/W |
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#define IDE_ADDRESS_CYL_MSB 0x5 // R/W |
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#define IDE_ADDRESS_DRV_HEAD 0x6 // R/W |
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#define IDE_ADDRESS_STATUS 0x7 // R |
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#define IDE_ADDRESS_COMMAND 0x7 // W |
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|
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#define IDE_ADDRESS_STATUS2 0x12 // R |
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#define IDE_ADDRESS_OUTPUT 0x12 // W |
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#define IDE_ADDRESS_DEV_ADR 0x13 // R |
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|
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#define IDE_DRIVE_HEAD_LBA (1<<6) |
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#define IDE_DRIVE_HEAD_SLAVE (1<<4) |
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#define IDE_DRIVE_HEAD(v) ((v) & 0xf) |
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|
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#define IDE_OUTPUT_RESET 4 |
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#define IDE_OUTPUT_INT 2 |
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|
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#define IDE_STATUS_BSY (1<<7) |
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#define IDE_STATUS_RDY (1<<6) |
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#define IDE_STATUS_WFT (1<<5) |
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#define IDE_STATUS_SKC (1<<4) |
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#define IDE_STATUS_DRQ (1<<3) |
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#define IDE_STATUS_CORR (1<<2) |
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#define IDE_STATUS_IDX (1<<1) |
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#define IDE_STATUS_ERR (1<<0) |
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|
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#define IDE_CONFIG_ATAPI (1<<15) |
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#define IDE_CONFIG_HD (1<<6) |
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|
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#define IDE_COMMAND_RESET_ATAPI 0x08 |
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#define IDE_COMMAND_RECALIBRATE 0x10 |
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#define IDE_COMMAND_READ_SECTOR 0x20 |
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#define IDE_COMMAND_WRITE_SECTOR 0x30 |
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#define IDE_COMMAND_FIX_PARAM 0x91 |
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#define IDE_COMMAND_IDENT_ATAPI 0xa1 |
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#define IDE_COMMAND_PACKET 0xa0 |
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#define IDE_COMMAND_SET_MULTIPLE 0xc6 |
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#define IDE_COMMAND_READ_SECTOR_DMA 0xc8 |
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#define IDE_COMMAND_WRITE_SECTOR_DMA 0xca |
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#define IDE_COMMAND_STANDBY_IMMEDIATE 0xe0 |
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#define IDE_COMMAND_SLEEP 0xe6 |
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#define IDE_COMMAND_FLUSH_CACHE 0xe7 |
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#define IDE_COMMAND_IDENT 0xec |
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#define IDE_COMMAND_SET_FEATURE 0xef |
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#define IDE_COMMAND_READ_NATIVE_MAX 0xf8 |
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|
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#define IDE_COMMAND_FEATURE_ENABLE_WRITE_CACHE 0x02 |
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#define IDE_COMMAND_FEATURE_SET_TRANSFER_MODE 0x03 |
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#define IDE_COMMAND_FEATURE_ENABLE_APM 0x05 |
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#define IDE_COMMAND_FEATURE_SET_PIO_MODE 0x08 |
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#define IDE_COMMAND_FEATURE_DISABLE_WRITE_CACHE 0x82 |
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#define IDE_COMMAND_FEATURE_ENABLE_LOOKAHEAD 0xaa |
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#define IDE_COMMAND_FEATURE_DISABLE_LOOKAHEAD 0x55 |
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#define IDE_COMMAND_FEATURE_ENABLE_PW_DEFAULT 0xcc |
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#define IDE_COMMAND_FEATURE_DISABLE_PW_DEFAULT 0x66 |
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|
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// .259 |
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// 6 Byte CDB |
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#define IDE_ATAPI_COMMAND_TEST_READY 0x00 // .499 |
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#define IDE_ATAPI_COMMAND_REQ_SENSE 0x03 // .450 |
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#define IDE_ATAPI_COMMAND_FORMAT_UNIT 0x04 // .271 |
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#define IDE_ATAPI_COMMAND_INQUIRY 0x12 // .310 |
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#define IDE_ATAPI_COMMAND_MODE_SELECT6 0x15 |
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#define IDE_ATAPI_COMMAND_MODE_SENSE6 0x1a |
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#define IDE_ATAPI_COMMAND_START_STOP 0x1b // .493 |
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#define IDE_ATAPI_COMMAND_TOGGLE_LOCK 0x1e // .335 |
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|
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// 10 Byte CDB |
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#define IDE_ATAPI_COMMAND_READ_FMT_CAP 0x23 // .400 |
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#define IDE_ATAPI_COMMAND_READ_CAPACITY 0x25 // .349 |
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#define IDE_ATAPI_COMMAND_READ10 0x28 // .337 |
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#define IDE_ATAPI_COMMAND_SEEK10 0x2b // .460 |
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#define IDE_ATAPI_COMMAND_ERASE10 0x2c // .269 |
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#define IDE_ATAPI_COMMAND_WRITE10 0x2a // .502 |
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#define IDE_ATAPI_COMMAND_VER_WRITE10 0x2e // .510 |
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#define IDE_ATAPI_COMMAND_VERIFY10 0x2f // .500 |
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#define IDE_ATAPI_COMMAND_SYNC_CACHE 0x35 // .497 |
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#define IDE_ATAPI_COMMAND_WRITE_BUF 0x3b // .512 |
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#define IDE_ATAPI_COMMAND_READ_BUF 0x3c // .342 |
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#define IDE_ATAPI_COMMAND_READ_SUBCH 0x42 // .406 |
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#define IDE_ATAPI_COMMAND_READ_TOC 0x43 // .413 |
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#define IDE_ATAPI_COMMAND_READ_HEADER 0x44 |
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#define IDE_ATAPI_COMMAND_PLAY_AUDIO10 0x45 // .329 |
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#define IDE_ATAPI_COMMAND_GET_CONFIG 0x46 // .284 |
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#define IDE_ATAPI_COMMAND_PLAY_AUDIOMSF 0x47 // .333 |
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#define IDE_ATAPI_COMMAND_EVENT_INFO 0x4a // .287 |
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#define IDE_ATAPI_COMMAND_TOGGLE_PAUSE 0x4b // .327 |
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#define IDE_ATAPI_COMMAND_STOP 0x4e // .495 |
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#define IDE_ATAPI_COMMAND_READ_INFO 0x51 // .362 |
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#define IDE_ATAPI_COMMAND_READ_TRK_INFO 0x52 // .423 |
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#define IDE_ATAPI_COMMAND_RES_TRACK 0x53 // .455 |
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#define IDE_ATAPI_COMMAND_SEND_OPC 0x54 // .482 |
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#define IDE_ATAPI_COMMAND_MODE_SELECT10 0x55 // .322 |
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#define IDE_ATAPI_COMMAND_REPAIR_TRACK 0x58 // .441 |
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#define IDE_ATAPI_COMMAND_MODE_SENSE10 0x5a // .324 |
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#define IDE_ATAPI_COMMAND_CLOSE_TRACK 0x5b // .264 |
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#define IDE_ATAPI_COMMAND_READ_BUF_CAP 0x5c // .348 |
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|
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// 12 Byte CDB |
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#define IDE_ATAPI_COMMAND_BLANK 0xa1 // .260 |
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#define IDE_ATAPI_COMMAND_SEND_KEY 0xa3 // .478 |
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#define IDE_ATAPI_COMMAND_REPORT_KEY 0xa4 // .443 |
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#define IDE_ATAPI_COMMAND_PLAY_AUDIO12 0xa5 // .331 |
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#define IDE_ATAPI_COMMAND_LOAD_CD 0xa6 // .315 |
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#define IDE_ATAPI_COMMAND_SET_RD_AHEAD 0xa7 // .486 |
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#define IDE_ATAPI_COMMAND_READ12 0xa8 // .339 |
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#define IDE_ATAPI_COMMAND_WRITE12 0xaa // .507 |
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#define IDE_ATAPI_COMMAND_GET_PERF 0xac // .299 |
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#define IDE_ATAPI_COMMAND_READ_DVD_S 0xad // .368 |
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#define IDE_ATAPI_COMMAND_SET_STREAM 0xb6 // .488 |
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#define IDE_ATAPI_COMMAND_READ_CD_MSF 0xb9 // .360 |
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#define IDE_ATAPI_COMMAND_SCAN 0xba // .458 |
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#define IDE_ATAPI_COMMAND_SET_CD_SPEED 0xbb // .484 |
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#define IDE_ATAPI_COMMAND_PLAY_CD 0xbc |
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#define IDE_ATAPI_COMMAND_MECH_STATUS 0xbd // .317 |
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#define IDE_ATAPI_COMMAND_READ_CD 0xbe // .352 |
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#define IDE_ATAPI_COMMAND_SEND_DVD_S 0xbf // .470 |
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|
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enum { |
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IDE_TRANSFER_MODE_NONE, |
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IDE_TRANSFER_MODE_READ, |
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IDE_TRANSFER_MODE_WRITE, |
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IDE_TRANSFER_MODE_DMA, |
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}; |
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|
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#define IDE_ATAPI_PACKET_SIZE 12 |
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|
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#define IDE_ATAPI_SENSE_NONE 0 |
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#define IDE_ATAPI_SENSE_NOT_READY 2 |
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#define IDE_ATAPI_SENSE_ILLEGAL_REQUEST 5 |
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#define IDE_ATAPI_SENSE_UNIT_ATTENTION 6 |
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|
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#define IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET 0x24 |
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#define IDE_ATAPI_ASC_CANNOT_READ_MEDIUM 0x30 |
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#define IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT 0x3a |
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#define IDE_ATAPI_ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 |
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#define IDE_ATAPI_ASC_LOGICAL_BLOCK_OOR 0x21 |
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|
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#define IDE_ATAPI_INTR_REASON_C_D (1<<0) |
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#define IDE_ATAPI_INTR_REASON_I_O (1<<1) |
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#define IDE_ATAPI_INTR_REASON_REL (1<<2) |
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#define IDE_ATAPI_INTR_REASON_TAG(v) ((v)>>3) |
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#define IDE_ATAPI_INTR_REASON_SET_TAG(v, a) (((v)&7) | ((a)<<3)) |
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|
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#define IDE_ATAPI_TRANSFER_HDR_SYNC 0x80 |
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#define IDE_ATAPI_TRANSFER_HDR_SECTOR_SUB 0x40 |
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#define IDE_ATAPI_TRANSFER_HDR_SECTOR 0x20 |
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#define IDE_ATAPI_TRANSFER_DATA 0x10 |
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#define IDE_ATAPI_TRANSFER_ECC 0x08 |
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|
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struct IDEDriveState { |
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uint8 status; |
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uint8 head; |
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uint8 outreg; |
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uint8 error; |
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uint8 feature; |
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union { |
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uint8 sector_count; |
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uint8 intr_reason; |
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}; |
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uint8 sector_no; |
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union { |
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uint16 cyl; |
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uint16 byte_count; |
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}; |
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|
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int sectorpos; |
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int drqpos; |
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uint8 sector[IDE_MAX_BLOCK_SIZE]; |
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int current_sector_size; |
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int current_command; |
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uint32 dma_lba_start; |
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uint32 dma_lba_count; |
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|
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int mode; |
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int atapi_transfer_request; |
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}; |
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|
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struct IDEState { |
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int drive; |
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uint8 drive_head; |
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IDEConfig config[2]; |
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IDEDriveState state[2]; |
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|
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bool one_time_shit; |
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}; |
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|
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IDEState gIDEState; |
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|
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/******************************************************************************* |
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* IDE - Controller PCI |
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*/ |
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|
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#define IDE_PCI_REG_0_CMD 0 |
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#define IDE_PCI_REG_0_CTRL 1 |
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#define IDE_PCI_REG_1_CMD 2 |
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#define IDE_PCI_REG_1_CTRL 3 |
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#define IDE_PCI_REG_BMDMA 4 |
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|
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/* |
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* CMD64x specific registers definition. |
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*/ |
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#define CFR 0x50 |
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#define CFR_INTR_CH0 0x02 |
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#define CNTRL 0x51 |
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#define CNTRL_DIS_RA0 0x40 |
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#define CNTRL_DIS_RA1 0x80 |
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#define CNTRL_ENA_2ND 0x08 |
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|
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#define CMDTIM 0x52 |
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#define ARTTIM0 0x53 |
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#define DRWTIM0 0x54 |
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#define ARTTIM1 0x55 |
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#define DRWTIM1 0x56 |
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#define ARTTIM23 0x57 |
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#define ARTTIM23_DIS_RA2 0x04 |
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#define ARTTIM23_DIS_RA3 0x08 |
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#define ARTTIM23_INTR_CH1 0x10 |
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#define ARTTIM2 0x57 |
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#define ARTTIM3 0x57 |
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#define DRWTIM23 0x58 |
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#define DRWTIM2 0x58 |
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#define BRST 0x59 |
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#define DRWTIM3 0x5b |
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|
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#define BMIDECR0 0x70 |
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#define MRDMODE 0x71 |
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#define MRDMODE_INTR_CH0 0x04 |
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#define MRDMODE_INTR_CH1 0x08 |
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#define MRDMODE_BLK_CH0 0x10 |
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#define MRDMODE_BLK_CH1 0x20 |
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#define BMIDESR0 0x72 |
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#define UDIDETCR0 0x73 |
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#define DTPR0 0x74 |
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#define BMIDECR1 0x78 |
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#define BMIDECSR 0x79 |
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#define BMIDESR1 0x7A |
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#define UDIDETCR1 0x7B |
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#define DTPR1 0x7C |
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|
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/* |
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* Bus master IDE consts |
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*/ |
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|
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// bus master IDE command register (CR) |
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#define BM_IDE_CR_WRITE (1<<3) // read otherwise |
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#define BM_IDE_CR_START (1<<0) // stop otherwise |
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#define BM_IDE_CR_MASK (BM_IDE_CR_WRITE | BM_IDE_CR_START) |
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|
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// bus master IDE status register (SR) |
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#define BM_IDE_SR_SIMPLEX_ONLY (1<<7) // duplex otherwise |
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#define BM_IDE_SR_DMA1_CAPABLE (1<<6) |
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#define BM_IDE_SR_DMA0_CAPABLE (1<<5) |
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#define BM_IDE_SR_INTERRUPT (1<<2) |
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#define BM_IDE_SR_ERROR (1<<1) |
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#define BM_IDE_SR_ACTIVE (1<<0) |
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#define BM_IDE_SR_MASK (BM_IDE_SR_ERROR | BM_IDE_SR_INTERRUPT \ |
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| BM_IDE_SR_DMA0_CAPABLE | BM_IDE_SR_DMA1_CAPABLE | BM_IDE_SR_SIMPLEX_ONLY \ |
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| BM_IDE_SR_ACTIVE) |
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|
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class IDE_Controller: public PCI_Device { |
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public: |
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|
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IDE_Controller() |
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:PCI_Device("IDE-Controller", 0x01, 0x01) |
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{ |
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mIORegSize[IDE_PCI_REG_0_CMD] = 0x10; |
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mIORegSize[IDE_PCI_REG_0_CTRL] = 0x10; |
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mIORegSize[IDE_PCI_REG_1_CMD] = 0; // no secondary controller for now |
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mIORegSize[IDE_PCI_REG_1_CTRL] = 0; |
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mIORegSize[IDE_PCI_REG_BMDMA] = 0x10; |
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|
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mIORegType[IDE_PCI_REG_0_CMD] = PCI_ADDRESS_SPACE_IO; |
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mIORegType[IDE_PCI_REG_0_CTRL] = PCI_ADDRESS_SPACE_IO; |
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mIORegType[IDE_PCI_REG_BMDMA] = PCI_ADDRESS_SPACE_IO; |
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|
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mConfig[0x00] = 0x95; // vendor ID |
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mConfig[0x01] = 0x10; |
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mConfig[0x02] = 0x46; // unit ID |
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mConfig[0x03] = 0x06; |
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|
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mConfig[0x04] = 0x01; // command |
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mConfig[0x05] = 0x00; |
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mConfig[0x06] = 0x00; // status |
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mConfig[0x07] = 0x00; |
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|
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mConfig[0x08] = 0x07; // ide-controller revision |
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mConfig[0x09] = 0x8f; // bit7: bm-ide |
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mConfig[0x0a] = 0x01; // ide-controller |
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mConfig[0x0b] = 0x01; // controller for mass-storage |
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|
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mConfig[0x0e] = 0x00; // header-type |
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|
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assignIOPort(IDE_PCI_REG_0_CMD, 0x0001c40); |
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assignIOPort(IDE_PCI_REG_0_CTRL, 0x0001c30); |
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assignIOPort(IDE_PCI_REG_BMDMA, 0x0001c00); |
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|
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mConfig[0x3c] = 0x1a; // irq |
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mConfig[0x3d] = 1; |
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mConfig[0x3e] = 0x02; // min grand |
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mConfig[0x3f] = 0x04; // max latency |
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} |
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|
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/******************************************************************************* |
353 |
* IDE - Controller Core |
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*/ |
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|
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/* |
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* makeLogical return a maximum of 0x10000000, so it's safe |
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* to use uint32 here. |
359 |
*/ |
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uint32 makeLogical(int head, int cyl, int sec_no) |
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{ |
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if (gIDEState.config[gIDEState.drive].lba) { |
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return (head << 24) | (cyl << 8) | sec_no; |
364 |
} else { |
365 |
return cyl * gIDEState.config[gIDEState.drive].hd.heads * gIDEState.config[gIDEState.drive].hd.spt |
366 |
+ head * gIDEState.config[gIDEState.drive].hd.spt |
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+ sec_no - 1; |
368 |
} |
369 |
} |
370 |
|
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void incAddress() |
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{ |
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gIDEState.state[gIDEState.drive].sector_count--; |
374 |
|
375 |
if (gIDEState.config[gIDEState.drive].lba) { |
376 |
uint32 cur = makeLogical(gIDEState.state[gIDEState.drive].head, |
377 |
gIDEState.state[gIDEState.drive].cyl, |
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gIDEState.state[gIDEState.drive].sector_no); |
379 |
cur++; |
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gIDEState.state[gIDEState.drive].head = (cur>>24) & 0xf; |
381 |
gIDEState.state[gIDEState.drive].cyl = cur>>8; |
382 |
gIDEState.state[gIDEState.drive].sector_no = cur & 0xff; |
383 |
} else { |
384 |
gIDEState.state[gIDEState.drive].sector_no++; |
385 |
if (gIDEState.state[gIDEState.drive].sector_no > gIDEState.config[gIDEState.drive].hd.spt) { |
386 |
gIDEState.state[gIDEState.drive].sector_no = 1; |
387 |
gIDEState.state[gIDEState.drive].head++; |
388 |
if (gIDEState.state[gIDEState.drive].head >= gIDEState.config[gIDEState.drive].hd.heads) { |
389 |
gIDEState.state[gIDEState.drive].head = 0; |
390 |
gIDEState.state[gIDEState.drive].cyl++; |
391 |
} |
392 |
} |
393 |
} |
394 |
} |
395 |
|
396 |
void raiseInterrupt(int bus) |
397 |
{ |
398 |
IO_IDE_TRACE("MRDMODE: %02x\n", mConfig[MRDMODE]); |
399 |
if (!(gIDEState.state[gIDEState.drive].outreg & IDE_OUTPUT_INT) && !(mConfig[MRDMODE] & MRDMODE_BLK_CH0)) { |
400 |
pic_raise_interrupt(mConfig[0x3c]); |
401 |
} |
402 |
mConfig[MRDMODE] |= MRDMODE_INTR_CH0 << bus; |
403 |
} |
404 |
|
405 |
void cancelInterrupt(int bus) |
406 |
{ |
407 |
pic_cancel_interrupt(IO_PIC_IRQ_IDE0); |
408 |
mConfig[MRDMODE] &= ~(MRDMODE_INTR_CH0 << bus); |
409 |
} |
410 |
|
411 |
void drive_ident() |
412 |
{ |
413 |
#define AW(a, b) (((a)<<8)|(b)) |
414 |
uint16 id[256]; |
415 |
if (gIDEState.config[gIDEState.drive].installed) { |
416 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_DRQ | IDE_STATUS_SKC; |
417 |
} else { |
418 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
419 |
gIDEState.state[gIDEState.drive].error = 0x4; // abort command |
420 |
return; |
421 |
} |
422 |
memset(&id, 0, sizeof id); |
423 |
if (gIDEState.config[gIDEState.drive].protocol == IDE_ATA) { |
424 |
// id[0] = IDE_CONFIG_HD; |
425 |
id[0] = 0x0c5a; |
426 |
id[1] = gIDEState.config[gIDEState.drive].hd.cyl; |
427 |
id[3] = gIDEState.config[gIDEState.drive].hd.heads; |
428 |
id[4] = gIDEState.config[gIDEState.drive].hd.spt*gIDEState.config[gIDEState.drive].bps; |
429 |
id[5] = gIDEState.config[gIDEState.drive].bps; |
430 |
id[6] = gIDEState.config[gIDEState.drive].hd.spt; |
431 |
} else { |
432 |
// id[0] = IDE_CONFIG_ATAPI | (5 << 8) | (1 << 7) | (1 << 6) | (0 << 0); |
433 |
id[0] = 0x85c0; |
434 |
} |
435 |
|
436 |
id[10] = AW(' ',' '); |
437 |
id[11] = AW(' ',' '); |
438 |
id[12] = AW(' ',' '); |
439 |
id[13] = AW(' ',' '); |
440 |
id[14] = AW(' ',' '); |
441 |
id[15] = AW('F','o'); |
442 |
id[16] = AW('u','n'); |
443 |
id[17] = AW('d','a'); |
444 |
id[18] = AW('t','i'); |
445 |
id[19] = AW('o','n'); |
446 |
|
447 |
if (gIDEState.config[gIDEState.drive].protocol == IDE_ATA) { |
448 |
id[20] = 3; //buffer type |
449 |
id[21] = 512; //buffer size / 512 |
450 |
id[22] = 4; // ECC-Bytes |
451 |
} else { |
452 |
id[20] = 3; //buffer type |
453 |
id[21] = 0x100; //buffer size / 512 |
454 |
id[22] = 0; // ECC-Bytes |
455 |
} |
456 |
id[23] = AW('F','I'); |
457 |
id[24] = AW('R','M'); |
458 |
id[25] = AW('W','A'); |
459 |
id[26] = AW('R','E'); |
460 |
if (gIDEState.drive==0) { |
461 |
id[27] = AW('E','I'); |
462 |
id[28] = AW('N',' '); |
463 |
id[29] = AW('G','E'); |
464 |
id[30] = AW('B','U'); |
465 |
id[31] = AW('E','S'); |
466 |
id[32] = AW('C','H'); |
467 |
id[33] = AW('!',' '); |
468 |
id[34] = AW(' ',' '); |
469 |
} else { |
470 |
id[27] = AW('Z','W'); |
471 |
id[28] = AW('E','I'); |
472 |
id[29] = AW(' ','G'); |
473 |
id[30] = AW('E','B'); |
474 |
id[31] = AW('U','E'); |
475 |
id[32] = AW('S','C'); |
476 |
id[33] = AW('H','!'); |
477 |
id[34] = AW(' ',' '); |
478 |
} |
479 |
id[35] = AW(' ',' '); |
480 |
id[36] = AW(' ',' '); |
481 |
id[37] = AW(' ',' '); |
482 |
id[38] = AW(' ',' '); |
483 |
id[39] = AW(' ',' '); |
484 |
id[40] = AW(' ',' '); |
485 |
id[41] = AW(' ',' '); |
486 |
id[42] = AW(' ',' '); |
487 |
id[43] = AW(' ',' '); |
488 |
id[44] = AW(' ',' '); |
489 |
id[45] = AW(' ',' '); |
490 |
id[46] = AW(' ',' '); |
491 |
|
492 |
if (gIDEState.config[gIDEState.drive].protocol == IDE_ATA) { |
493 |
id[47] = 1; // sectors per interrupt |
494 |
id[48] = 0; // 32 bit i/o |
495 |
id[49] = (1<<9)|(1<<8); // LBA & DMA |
496 |
id[51] = 0x200; // pio time |
497 |
id[52] = 0x200; // dma time |
498 |
// from Linux kernel's hdreg.h: |
499 |
// unsigned short field_valid; |
500 |
|
501 |
/* (word 53) |
502 |
* 2: ultra_ok word 88 |
503 |
* 1: eide_ok words 64-70 |
504 |
* 0: cur_ok words 54-58 |
505 |
*/ |
506 |
|
507 |
// see also: static int config_drive_for_dma (ide_drive_t *drive) in ide-dma.c |
508 |
|
509 |
id[53] = 4; // fieldValidity: Multi DMA fields valid |
510 |
|
511 |
id[54] = gIDEState.config[gIDEState.drive].hd.cyl; |
512 |
id[55] = gIDEState.config[gIDEState.drive].hd.heads; |
513 |
id[56] = gIDEState.config[gIDEState.drive].hd.spt; |
514 |
|
515 |
uint32 sectors = gIDEState.config[gIDEState.drive].hd.cyl |
516 |
* gIDEState.config[gIDEState.drive].hd.heads |
517 |
* gIDEState.config[gIDEState.drive].hd.spt; |
518 |
id[57] = sectors; |
519 |
id[58] = sectors >> 16; |
520 |
id[59] = 0; // multisector bla |
521 |
id[60] = sectors; // lba capacity |
522 |
id[61] = sectors >> 16; // lba capacity cont. |
523 |
id[62] = 0; // obsolete single word dma (linux dma_1word) |
524 |
id[63] = 7|0x404; // multiple word dma info (linux dma_mword) |
525 |
id[64] = 1; // eide pio modes |
526 |
id[65] = 480; // eide min dma cycle time |
527 |
id[66] = 480; // eide recommended dma cycle time |
528 |
id[67] = 0; |
529 |
id[68] = 0; |
530 |
id[69] = 0; // res |
531 |
id[70] = 0; // res |
532 |
|
533 |
id[80] = (1<<2) | (1<<1); |
534 |
id[82] = (1<<14) | (1<<9) | (1<<5) | (1<<3); // command set 1 |
535 |
id[83] = (1<<14); // command set 2 |
536 |
id[84] = (1<<14); // set feature extensions |
537 |
id[85] = (1<<5); // set feature enabled |
538 |
id[86] = (1<<14); // set feature enabled 2 |
539 |
id[87] = (1<<14); // set feature default |
540 |
id[88] = 7; // dma ultra |
541 |
// bit 15 set indicates UDMA(mode 7) capable |
542 |
// bit 14 set indicates UDMA(133) capable |
543 |
// bit 13 set indicates UDMA(100) capable |
544 |
// bit 12 set indicates UDMA(66) capable |
545 |
// bit 11 set indicates UDMA(44) capable |
546 |
// bits 0-2 ??? |
547 |
|
548 |
id[93] = (1<<14) | 1; // hw config |
549 |
} else { |
550 |
id[47] = 0; // sectors per interrupt |
551 |
id[48] = 1; // 32 bit i/o |
552 |
id[49] = (1<<9); // lba |
553 |
id[53] = 3; |
554 |
id[63] = 0x103; |
555 |
id[64] = 0x1; |
556 |
id[65] = 0xb4; |
557 |
id[66] = 0xb4; |
558 |
id[67] = 0x12c; |
559 |
id[68] = 0xb4; |
560 |
id[71] = 30; |
561 |
id[72] = 30; |
562 |
id[80] = 0x1e; // supports up to ATA/ATAPI-4 |
563 |
} |
564 |
|
565 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
566 |
gIDEState.state[gIDEState.drive].sector_count = 0; |
567 |
|
568 |
for (int i=0; i<256; i++) { |
569 |
gIDEState.state[gIDEState.drive].sector[i*2] = id[i]; |
570 |
gIDEState.state[gIDEState.drive].sector[i*2+1] = id[i]>>8; |
571 |
} |
572 |
} |
573 |
|
574 |
void atapi_command_nop() |
575 |
{ |
576 |
gIDEState.state[gIDEState.drive].intr_reason |= IDE_ATAPI_INTR_REASON_C_D|IDE_ATAPI_INTR_REASON_I_O; |
577 |
gIDEState.state[gIDEState.drive].intr_reason &= ~IDE_ATAPI_INTR_REASON_REL; |
578 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
579 |
} |
580 |
|
581 |
void atapi_command_error(uint8 sense_key, uint8 asc) |
582 |
{ |
583 |
memset(&gIDEState.config[gIDEState.drive].cdrom.sense, 0, sizeof gIDEState.config[gIDEState.drive].cdrom.sense); |
584 |
gIDEState.state[gIDEState.drive].error = sense_key << 4; |
585 |
gIDEState.state[gIDEState.drive].intr_reason |= IDE_ATAPI_INTR_REASON_C_D|IDE_ATAPI_INTR_REASON_I_O; |
586 |
gIDEState.state[gIDEState.drive].intr_reason &= ~IDE_ATAPI_INTR_REASON_REL; |
587 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
588 |
|
589 |
gIDEState.config[gIDEState.drive].cdrom.sense.sense_key = sense_key; |
590 |
gIDEState.config[gIDEState.drive].cdrom.sense.asc = asc; |
591 |
gIDEState.config[gIDEState.drive].cdrom.sense.ascq = 0; |
592 |
} |
593 |
|
594 |
void atapi_start_send_command(uint8 command, int reqlen, int alloclen, int sectorpos=0, int sectorsize=2048) |
595 |
{ |
596 |
if (gIDEState.state[gIDEState.drive].byte_count == 0xffff) gIDEState.state[gIDEState.drive].byte_count = 0xfffe; |
597 |
if ((gIDEState.state[gIDEState.drive].byte_count & 1) && !(alloclen <= gIDEState.state[gIDEState.drive].byte_count)) { |
598 |
gIDEState.state[gIDEState.drive].byte_count--; |
599 |
} |
600 |
if (!gIDEState.state[gIDEState.drive].byte_count) { |
601 |
IO_IDE_ERR("byte_count==0\n"); |
602 |
} |
603 |
if (!alloclen) alloclen = gIDEState.state[gIDEState.drive].byte_count; |
604 |
gIDEState.state[gIDEState.drive].intr_reason |= IDE_ATAPI_INTR_REASON_I_O; |
605 |
gIDEState.state[gIDEState.drive].intr_reason &= ~IDE_ATAPI_INTR_REASON_C_D; |
606 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_DRQ | IDE_STATUS_SKC; |
607 |
gIDEState.state[gIDEState.drive].sectorpos = sectorpos; |
608 |
gIDEState.state[gIDEState.drive].current_sector_size = sectorsize; |
609 |
gIDEState.state[gIDEState.drive].drqpos = 0; |
610 |
if (gIDEState.state[gIDEState.drive].byte_count > reqlen) gIDEState.state[gIDEState.drive].byte_count = reqlen; |
611 |
if (gIDEState.state[gIDEState.drive].byte_count > alloclen) gIDEState.state[gIDEState.drive].byte_count = alloclen; |
612 |
|
613 |
gIDEState.config[gIDEState.drive].cdrom.atapi.command = command; |
614 |
gIDEState.config[gIDEState.drive].cdrom.atapi.drq_bytes = gIDEState.state[gIDEState.drive].byte_count; |
615 |
gIDEState.config[gIDEState.drive].cdrom.atapi.total_remain = MIN(reqlen, alloclen); |
616 |
} |
617 |
|
618 |
void atapi_start_mode_sense(const byte *src, int size) |
619 |
{ |
620 |
gIDEState.state[gIDEState.drive].sector[0] = (size-2) >> 8; |
621 |
gIDEState.state[gIDEState.drive].sector[1] = size-2; |
622 |
gIDEState.state[gIDEState.drive].sector[2] = 0; |
623 |
gIDEState.state[gIDEState.drive].sector[3] = 0; |
624 |
gIDEState.state[gIDEState.drive].sector[4] = 0; |
625 |
gIDEState.state[gIDEState.drive].sector[5] = 0; |
626 |
gIDEState.state[gIDEState.drive].sector[6] = 0; |
627 |
gIDEState.state[gIDEState.drive].sector[7] = 0; |
628 |
} |
629 |
|
630 |
static uint8 bcd_encode(uint8 value) |
631 |
{ |
632 |
return (value / 10)*16+(value % 10); |
633 |
} |
634 |
|
635 |
/* |
636 |
* gIDEState.config[gIDEState.drive] must be acquired |
637 |
*/ |
638 |
bool atapi_check_dma() |
639 |
{ |
640 |
if (gIDEState.config[gIDEState.drive].cdrom.dma) { |
641 |
gIDEState.state[gIDEState.drive].dma_lba_count = gIDEState.config[gIDEState.drive].cdrom.remain; |
642 |
gIDEState.state[gIDEState.drive].dma_lba_start = gIDEState.config[gIDEState.drive].cdrom.next_lba; |
643 |
gIDEState.config[gIDEState.drive].device->setMode( |
644 |
gIDEState.state[gIDEState.drive].atapi_transfer_request, |
645 |
gIDEState.state[gIDEState.drive].current_sector_size); |
646 |
gIDEState.config[gIDEState.drive].device->seek(gIDEState.state[gIDEState.drive].dma_lba_start); |
647 |
gIDEState.state[gIDEState.drive].status &= ~IDE_STATUS_DRQ; |
648 |
gIDEState.state[gIDEState.drive].intr_reason |= IDE_ATAPI_INTR_REASON_C_D; |
649 |
bmide_start_dma(false); |
650 |
return true; |
651 |
} |
652 |
return false; |
653 |
} |
654 |
|
655 |
void receive_atapi_packet() |
656 |
{ |
657 |
uint8 command = gIDEState.state[gIDEState.drive].sector[0]; |
658 |
IO_IDE_TRACE("ATAPI command(%02x)\n", command); |
659 |
CDROMDevice *dev = (CDROMDevice *)gIDEState.config[gIDEState.drive].device; |
660 |
uint8 *sector = gIDEState.state[gIDEState.drive].sector; |
661 |
switch (command) { |
662 |
case IDE_ATAPI_COMMAND_TEST_READY: |
663 |
if (dev->isReady()) { |
664 |
atapi_command_nop(); |
665 |
} else { |
666 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT); |
667 |
} |
668 |
raiseInterrupt(0); |
669 |
break; |
670 |
case IDE_ATAPI_COMMAND_REQ_SENSE: { |
671 |
// .450 |
672 |
int len = sector[4]; |
673 |
atapi_start_send_command(command, 18, len); |
674 |
sector[0] = 0xf0; // valid + current error info |
675 |
sector[1] = 0x00; |
676 |
sector[2] = gIDEState.config[gIDEState.drive].cdrom.sense.sense_key; |
677 |
sector[3] = gIDEState.config[gIDEState.drive].cdrom.sense.info[0]; |
678 |
sector[4] = gIDEState.config[gIDEState.drive].cdrom.sense.info[1]; |
679 |
sector[5] = gIDEState.config[gIDEState.drive].cdrom.sense.info[2]; |
680 |
sector[6] = gIDEState.config[gIDEState.drive].cdrom.sense.info[3]; |
681 |
sector[7] = 10; |
682 |
sector[8] = gIDEState.config[gIDEState.drive].cdrom.sense.spec_info[0]; |
683 |
sector[9] = gIDEState.config[gIDEState.drive].cdrom.sense.spec_info[1]; |
684 |
sector[10] = gIDEState.config[gIDEState.drive].cdrom.sense.spec_info[2]; |
685 |
sector[11] = gIDEState.config[gIDEState.drive].cdrom.sense.spec_info[3]; |
686 |
sector[12] = gIDEState.config[gIDEState.drive].cdrom.sense.asc; |
687 |
sector[13] = gIDEState.config[gIDEState.drive].cdrom.sense.ascq; |
688 |
sector[14] = gIDEState.config[gIDEState.drive].cdrom.sense.fruc; |
689 |
sector[15] = gIDEState.config[gIDEState.drive].cdrom.sense.key_spec[0]; |
690 |
sector[16] = gIDEState.config[gIDEState.drive].cdrom.sense.key_spec[1]; |
691 |
sector[17] = gIDEState.config[gIDEState.drive].cdrom.sense.key_spec[2]; |
692 |
raiseInterrupt(0); |
693 |
break; |
694 |
} |
695 |
case IDE_ATAPI_COMMAND_INQUIRY: { |
696 |
// .310 |
697 |
int len = sector[4]; |
698 |
atapi_start_send_command(command, 36, len); |
699 |
memset(sector, 0, sizeof gIDEState.state[gIDEState.drive].sector); |
700 |
sector[0] = 0x05; |
701 |
sector[1] = 0x80; // Removable Medium |
702 |
sector[2] = 0x00; // ATAPI |
703 |
sector[3] = 0x32; // ATAPI / format = 2 |
704 |
sector[4] = 62-4; |
705 |
sector[5] = 0x00; |
706 |
sector[6] = 0x00; |
707 |
sector[7] = 0x00; |
708 |
|
709 |
memcpy(sector+8, "SPIRO ", 8); |
710 |
memcpy(sector+16, "MULTIMAX 4000 ", 16); |
711 |
memcpy(sector+32, "0.1 ", 4); |
712 |
|
713 |
sector[58] = 0x03; |
714 |
sector[59] = 0xa0; // MMC-4 |
715 |
sector[60] = 0x15; |
716 |
sector[61] = 0xe0; // ATA/ATAPI-6 |
717 |
|
718 |
raiseInterrupt(0); |
719 |
break; |
720 |
} |
721 |
case IDE_ATAPI_COMMAND_START_STOP: { |
722 |
bool eject = sector[4] & 2; |
723 |
bool start = sector[4] & 1; |
724 |
if (!eject && !start) { |
725 |
atapi_command_nop(); |
726 |
} else if (!eject && start) { |
727 |
atapi_command_nop(); |
728 |
} else if (eject && !start) { |
729 |
dev->eject(); |
730 |
atapi_command_nop(); |
731 |
} else { |
732 |
dev->eject(); |
733 |
atapi_command_nop(); |
734 |
} |
735 |
raiseInterrupt(0); |
736 |
break; |
737 |
} |
738 |
case IDE_ATAPI_COMMAND_TOGGLE_LOCK: |
739 |
if (dev->isReady()) { |
740 |
dev->setLock(sector[4] & 1); |
741 |
atapi_command_nop(); |
742 |
} else { |
743 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT); |
744 |
} |
745 |
raiseInterrupt(0); |
746 |
break; |
747 |
case IDE_ATAPI_COMMAND_READ_CAPACITY: |
748 |
if (dev->isReady()) { |
749 |
atapi_start_send_command(command, 8, 8); |
750 |
uint32 capacity = dev->getCapacity(); |
751 |
sector[0] = capacity >> 24; |
752 |
sector[1] = capacity >> 16; |
753 |
sector[2] = capacity >> 8; |
754 |
sector[3] = capacity; |
755 |
sector[4] = 2048 >> 24; |
756 |
sector[5] = 2048 >> 16; |
757 |
sector[6] = 2048 >> 8; |
758 |
sector[7] = 2048; |
759 |
} else { |
760 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT); |
761 |
} |
762 |
raiseInterrupt(0); |
763 |
break; |
764 |
case IDE_ATAPI_COMMAND_READ10: |
765 |
if (dev->isReady()) { |
766 |
uint16 len = ((uint16)sector[7]<<8)|(sector[8]); |
767 |
if (!len) { |
768 |
atapi_command_nop(); |
769 |
} else { |
770 |
uint32 lba = ((uint32)sector[2]<<24)|((uint32)sector[3]<<16)|((uint32)sector[4]<<8)|sector[5]; |
771 |
if (lba + len > dev->getCapacity()) { |
772 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_LOGICAL_BLOCK_OOR); |
773 |
} else { |
774 |
IO_IDE_TRACE("read cd: lba: 0x%08x len: %d\n", lba, len); |
775 |
gIDEState.state[gIDEState.drive].current_sector_size = 2048; |
776 |
gIDEState.state[gIDEState.drive].atapi_transfer_request = 0x10; // only data |
777 |
uint secsize = gIDEState.state[gIDEState.drive].current_sector_size; |
778 |
atapi_start_send_command(command, len*secsize, len*secsize, secsize, secsize); |
779 |
gIDEState.config[gIDEState.drive].cdrom.remain = len; |
780 |
gIDEState.config[gIDEState.drive].cdrom.next_lba = lba; |
781 |
if (atapi_check_dma()) return; |
782 |
} |
783 |
} |
784 |
} else { |
785 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT); |
786 |
} |
787 |
raiseInterrupt(0); |
788 |
break; |
789 |
case IDE_ATAPI_COMMAND_SEEK10: |
790 |
if (dev->isReady()) { |
791 |
uint32 lba = ((uint32)sector[2]<<24)|((uint32)sector[3]<<16)|((uint32)sector[4]<<8)|sector[5]; |
792 |
if (lba > dev->getCapacity()) { |
793 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_LOGICAL_BLOCK_OOR); |
794 |
} else { |
795 |
atapi_command_nop(); |
796 |
} |
797 |
} else { |
798 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT); |
799 |
} |
800 |
raiseInterrupt(0); |
801 |
break; |
802 |
case IDE_ATAPI_COMMAND_READ_SUBCH: |
803 |
SINGLESTEP("IDE_ATAPI_COMMAND_READ_SUBCH\n"); |
804 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
805 |
raiseInterrupt(0); |
806 |
break; |
807 |
case IDE_ATAPI_COMMAND_READ_TOC: |
808 |
// .413 |
809 |
if (dev->isReady()) { |
810 |
bool msf = sector[1] & 2; |
811 |
uint8 start_track = sector[6]; |
812 |
int len = ((uint16)sector[7]<<8)|(sector[8]); |
813 |
// first check for ATAPI-SFF 8020 style |
814 |
uint8 format = sector[2] & 0xf; |
815 |
if (!format) { |
816 |
// then for MMC-2 style |
817 |
format = sector[9] >> 6; |
818 |
} |
819 |
len = MIN(len, IDE_MAX_BLOCK_SIZE); |
820 |
int result = dev->readTOC(sector, msf, start_track, len, format); |
821 |
atapi_start_send_command(command, result, len); |
822 |
} else { |
823 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT); |
824 |
} |
825 |
raiseInterrupt(0); |
826 |
break; |
827 |
case IDE_ATAPI_COMMAND_READ_HEADER: |
828 |
case IDE_ATAPI_COMMAND_PLAY_AUDIO10: |
829 |
case IDE_ATAPI_COMMAND_PLAY_AUDIOMSF: |
830 |
case IDE_ATAPI_COMMAND_TOGGLE_PAUSE: |
831 |
case IDE_ATAPI_COMMAND_STOP: |
832 |
case IDE_ATAPI_COMMAND_MODE_SELECT10: |
833 |
case IDE_ATAPI_COMMAND_READ_INFO: |
834 |
IO_IDE_WARN("ATAPI command 0x%08x not impl.\n", command); |
835 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
836 |
raiseInterrupt(0); |
837 |
break; |
838 |
case IDE_ATAPI_COMMAND_MODE_SENSE6: |
839 |
case IDE_ATAPI_COMMAND_MODE_SENSE10: { |
840 |
// .324 |
841 |
uint8 pc = sector[2] >> 6; |
842 |
uint8 pagecode = sector[2] & 0x3f; |
843 |
int len; |
844 |
if (command == IDE_ATAPI_COMMAND_MODE_SENSE6) { |
845 |
len = ((uint16)sector[4]<<8)|(sector[5]); |
846 |
} else { |
847 |
len = ((uint16)sector[7]<<8)|(sector[8]); |
848 |
} |
849 |
memset(sector, 0, sizeof gIDEState.state[gIDEState.drive].sector); |
850 |
// pagecode: .517 |
851 |
switch (pc) { |
852 |
case 0x00: |
853 |
switch (pagecode) { |
854 |
case 0x01: |
855 |
IO_IDE_ERR("MODE SENSE error recovery\n"); |
856 |
break; |
857 |
case 0x1a: |
858 |
// Power Condition Page |
859 |
// .537 |
860 |
atapi_start_send_command(command, 20, len); |
861 |
atapi_start_mode_sense(sector+8, 20); |
862 |
sector[8] = 0x1a; |
863 |
sector[9] = 10; |
864 |
sector[10] = 0x00; |
865 |
sector[11] = 0x00; // idle=0, standby=0 |
866 |
sector[12] = 0x00; |
867 |
sector[13] = 0x00; |
868 |
sector[14] = 0x00; |
869 |
sector[15] = 0x00; |
870 |
sector[16] = 0x00; |
871 |
sector[17] = 0x00; |
872 |
sector[18] = 0x00; |
873 |
sector[19] = 0x00; |
874 |
raiseInterrupt(0); |
875 |
break; |
876 |
case 0x2a: |
877 |
// Capabilities and Mechanical Status Page |
878 |
// .573 |
879 |
atapi_start_send_command(command, 36, len); |
880 |
atapi_start_mode_sense(sector+8, 36); |
881 |
sector[8] = 0x2a; |
882 |
sector[9] = 28; |
883 |
sector[10] = 0x3b; // DVD-RAM + DVD-R + DVD-ROM + CD-RW + CD-R read |
884 |
sector[11] = 0; |
885 |
sector[12] = 0; |
886 |
sector[13] = 3<<5; |
887 |
sector[14] = (dev->isLocked() ? (1<<1):0) |
888 |
| 1 | (1<<3) | (1<<5); |
889 |
sector[15] = 0; |
890 |
sector[16] = 706 >> 8; |
891 |
sector[17] = 706; |
892 |
sector[18] = 0; |
893 |
sector[19] = 2; |
894 |
sector[20] = 512 >> 8; |
895 |
sector[21] = 512; |
896 |
sector[22] = 706 >> 8; |
897 |
sector[23] = 706; |
898 |
sector[24] = 0; |
899 |
sector[25] = 0; |
900 |
sector[26] = 0; |
901 |
sector[27] = 0; |
902 |
sector[28] = 0; |
903 |
sector[29] = 0; |
904 |
sector[30] = 0; |
905 |
sector[31] = 0; |
906 |
sector[32] = 0; |
907 |
sector[33] = 0; |
908 |
sector[34] = 0; |
909 |
sector[35] = 0; |
910 |
raiseInterrupt(0); |
911 |
break; |
912 |
case 0x31: |
913 |
// Apple Features |
914 |
atapi_start_send_command(command, 16, len); |
915 |
atapi_start_mode_sense(sector+8, 16); |
916 |
sector[8] = 0x31; |
917 |
sector[9] = 6; |
918 |
sector[10] = '.'; |
919 |
sector[11] = 'A'; |
920 |
sector[12] = 'p'; |
921 |
sector[13] = 'p'; |
922 |
sector[14] = 0; |
923 |
sector[15] = 0; |
924 |
raiseInterrupt(0); |
925 |
break; |
926 |
case 0x0d: |
927 |
case 0x0e: |
928 |
case 0x3f: |
929 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
930 |
raiseInterrupt(0); |
931 |
break; |
932 |
default:; |
933 |
IO_IDE_ERR("query MODE SENSE not impl. for 0x%08x\n", pagecode); |
934 |
} |
935 |
raiseInterrupt(0); |
936 |
break; |
937 |
case 0x01: |
938 |
switch (pagecode) { |
939 |
case 0x01: |
940 |
case 0x2a: |
941 |
case 0x0d: |
942 |
case 0x0e: |
943 |
case 0x3f: |
944 |
IO_IDE_ERR("change MODE SENSE not impl. for 0x%08x\n", pagecode); |
945 |
default: |
946 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
947 |
raiseInterrupt(0); |
948 |
break; |
949 |
} |
950 |
break; |
951 |
case 0x02: |
952 |
switch (pagecode) { |
953 |
case 0x01: |
954 |
case 0x2a: |
955 |
case 0x0d: |
956 |
case 0x0e: |
957 |
case 0x3f: |
958 |
IO_IDE_ERR("default MODE SENSE not impl. for 0x%08x\n", pagecode); |
959 |
default: |
960 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
961 |
raiseInterrupt(0); |
962 |
break; |
963 |
} |
964 |
break; |
965 |
case 0x03: |
966 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_SAVING_PARAMETERS_NOT_SUPPORTED); |
967 |
raiseInterrupt(0); |
968 |
break; |
969 |
} |
970 |
break; |
971 |
} |
972 |
case IDE_ATAPI_COMMAND_GET_CONFIG: { |
973 |
// .173 .242 .284 |
974 |
uint8 RT = sector[1] & 3; |
975 |
int len = ((uint16)sector[7]<<8)|(sector[8]); |
976 |
int feature = ((uint16)sector[2]<<8)|(sector[3]); |
977 |
IO_IDE_TRACE("get_config: RT=%x len=%d f=%x\n", RT, len, feature); |
978 |
memset(sector, 0, sizeof gIDEState.state[gIDEState.drive].sector); |
979 |
len = MIN(len, IDE_MAX_BLOCK_SIZE); |
980 |
int size = dev->getConfig(sector, len, RT, feature); |
981 |
atapi_start_send_command(command, size, len); |
982 |
raiseInterrupt(0); |
983 |
break; |
984 |
} |
985 |
case IDE_ATAPI_COMMAND_EVENT_INFO: { |
986 |
bool polled = sector[1] & 1; |
987 |
uint8 request = sector[4]; |
988 |
int len = ((uint16)sector[7]<<8)|(sector[8]); |
989 |
uint8 control = sector[9]; |
990 |
// int size = dev->eventInfo(sector, len, polled, request, control); |
991 |
// atapi_start_send_command(command, size, len); |
992 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
993 |
raiseInterrupt(0); |
994 |
break; |
995 |
} |
996 |
case IDE_ATAPI_COMMAND_SET_CD_SPEED: { |
997 |
// .484 |
998 |
atapi_command_nop(); |
999 |
raiseInterrupt(0); |
1000 |
break; |
1001 |
} |
1002 |
case IDE_ATAPI_COMMAND_READ_CD: { |
1003 |
// .352 |
1004 |
if (dev->isReady()) { |
1005 |
uint32 len = ((uint32)sector[6]<<16)|((uint32)sector[7]<<8)|(sector[8]); |
1006 |
if (!len) { |
1007 |
atapi_command_nop(); |
1008 |
} else { |
1009 |
int sec_type = (sector[1] >> 2) & 7; // .353 |
1010 |
bool dap = (sector[1] >> 1) & 1; |
1011 |
bool rel = sector[1] & 1; |
1012 |
uint32 lba = ((uint32)sector[2]<<24)|((uint32)sector[3]<<16)|((uint32)sector[4]<<8)|sector[5]; |
1013 |
int sub_ch = sector[10] & 3; |
1014 |
if (sec_type) IO_IDE_ERR("sec_type not supported\n"); |
1015 |
if (rel) IO_IDE_ERR("rel not supported\n"); |
1016 |
if (sub_ch) IO_IDE_ERR("sub-channel not supported\n"); |
1017 |
// .95 .96 |
1018 |
gIDEState.state[gIDEState.drive].atapi_transfer_request = sector[9]; |
1019 |
if (gIDEState.state[gIDEState.drive].atapi_transfer_request & 7) IO_IDE_ERR("c2 not supported\n"); |
1020 |
if (lba + len > dev->getCapacity()) { |
1021 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_LOGICAL_BLOCK_OOR); |
1022 |
} else { |
1023 |
IO_IDE_TRACE("read cd: lba: %08x len: %08x\n", lba, len); |
1024 |
switch (gIDEState.state[gIDEState.drive].atapi_transfer_request & 0xf8) { // .355 |
1025 |
case 0x00: // nothing |
1026 |
gIDEState.state[gIDEState.drive].current_sector_size = 0; |
1027 |
atapi_command_nop(); |
1028 |
raiseInterrupt(0); |
1029 |
return; |
1030 |
case 0x10: // user data |
1031 |
gIDEState.state[gIDEState.drive].current_sector_size = 2048; |
1032 |
break; |
1033 |
case 0xf8: // everything |
1034 |
// SYNC+HEADER+UserDATA+EDC+(Mode1 Pad)+ECC |
1035 |
gIDEState.state[gIDEState.drive].current_sector_size = 12+4+2048+288; |
1036 |
gIDEState.state[gIDEState.drive].atapi_transfer_request = 0xb8; // mode1 -> skip sub-header |
1037 |
break; |
1038 |
default: |
1039 |
IO_IDE_ERR("unknown main channel selection in READ_CD\n"); |
1040 |
} |
1041 |
uint cursize = gIDEState.state[gIDEState.drive].current_sector_size; |
1042 |
atapi_start_send_command(command, len*cursize, len*cursize, cursize, cursize); |
1043 |
gIDEState.config[gIDEState.drive].cdrom.remain = len; |
1044 |
gIDEState.config[gIDEState.drive].cdrom.next_lba = lba; |
1045 |
if (atapi_check_dma()) return; |
1046 |
} |
1047 |
} |
1048 |
} else { |
1049 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_MEDIUM_NOT_PRESENT); |
1050 |
} |
1051 |
raiseInterrupt(0); |
1052 |
break; |
1053 |
} |
1054 |
case IDE_ATAPI_COMMAND_READ_DVD_S: { |
1055 |
uint8 subcommand = sector[1] & 0xf; |
1056 |
uint32 address = ((uint32)sector[2]<<24)|((uint32)sector[3]<<16)|((uint32)sector[4]<<8)|sector[5]; |
1057 |
uint8 layer = sector[6]; |
1058 |
uint8 format = sector[7]; |
1059 |
int len = ((uint16)sector[8]<<8)|(sector[9]); |
1060 |
uint8 AGID = sector[10] >> 6; |
1061 |
uint8 control = sector[11]; |
1062 |
len = MIN(len, IDE_MAX_BLOCK_SIZE); |
1063 |
|
1064 |
int size = 0; |
1065 |
|
1066 |
if (dev->isDVD()) { |
1067 |
size = dev->readDVDStructure(sector, len, subcommand, address, layer, format, AGID, control); |
1068 |
atapi_start_send_command(command, size, len); |
1069 |
} else { |
1070 |
atapi_command_error(IDE_ATAPI_SENSE_NOT_READY, IDE_ATAPI_ASC_CANNOT_READ_MEDIUM); |
1071 |
} |
1072 |
raiseInterrupt(0); |
1073 |
break; |
1074 |
} |
1075 |
case IDE_ATAPI_COMMAND_LOAD_CD: |
1076 |
case IDE_ATAPI_COMMAND_READ12: |
1077 |
case IDE_ATAPI_COMMAND_MECH_STATUS: |
1078 |
case IDE_ATAPI_COMMAND_PLAY_CD: |
1079 |
case IDE_ATAPI_COMMAND_READ_CD_MSF: |
1080 |
case IDE_ATAPI_COMMAND_SCAN: |
1081 |
IO_IDE_WARN("unknown ATAPI command 0x%08x\n", command); |
1082 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
1083 |
raiseInterrupt(0); |
1084 |
break; |
1085 |
default: |
1086 |
IO_IDE_WARN("unknown ATAPI command 0x%08x\n", command); |
1087 |
atapi_command_error(IDE_ATAPI_SENSE_ILLEGAL_REQUEST, IDE_ATAPI_ASC_INV_FIELD_IN_CMD_PACKET); |
1088 |
raiseInterrupt(0); |
1089 |
break; |
1090 |
} |
1091 |
// sanity check: |
1092 |
if (gIDEState.config[gIDEState.drive].cdrom.dma) { |
1093 |
IO_IDE_WARN("can't use dma with atapi command %x\n", command); |
1094 |
} |
1095 |
} |
1096 |
|
1097 |
bool bm_ide_dotransfer(bool &prd_exhausted, uint32 prd_addr, byte bmide_command, byte bmide_status, uint32 lba, uint32 count) |
1098 |
{ |
1099 |
IO_IDE_TRACE("BM IDE transfer: prd_addr = %08x, lba = %08x, size = %08x\n", prd_addr, lba, count ? count : gIDEState.state[gIDEState.drive].sector_count); |
1100 |
|
1101 |
struct prd_entry { |
1102 |
uint32 addr PACKED; |
1103 |
uint32 size PACKED; |
1104 |
}; |
1105 |
|
1106 |
prd_entry prd; |
1107 |
if (!ppc_dma_read(&prd, prd_addr, 8)) return false; |
1108 |
prd.addr = ppc_word_from_LE(prd.addr); |
1109 |
prd.size = ppc_word_from_LE(prd.size); |
1110 |
prd_exhausted = false; |
1111 |
int pr_left = prd.size & 0xffff; |
1112 |
if (!pr_left) pr_left = 64*1024; |
1113 |
|
1114 |
bool write_to_mem = bmide_command & BM_IDE_CR_WRITE; |
1115 |
bool write_to_device = !write_to_mem; |
1116 |
while (true) { |
1117 |
int to_transfer = gIDEState.state[gIDEState.drive].current_sector_size; |
1118 |
int transfer_at_once = to_transfer; |
1119 |
if (transfer_at_once > pr_left) transfer_at_once = pr_left; |
1120 |
do { |
1121 |
uint8 buffer[transfer_at_once]; |
1122 |
if (write_to_device) { |
1123 |
ppc_dma_read(buffer, prd.addr, transfer_at_once); |
1124 |
if (gIDEState.config[gIDEState.drive].device->write(buffer, transfer_at_once) != transfer_at_once) { |
1125 |
gIDEState.config[gIDEState.drive].device->release(); |
1126 |
IO_IDE_WARN("write failed!\n"); |
1127 |
return false; |
1128 |
} |
1129 |
} else { |
1130 |
if (gIDEState.config[gIDEState.drive].device->read(buffer, transfer_at_once) != transfer_at_once) { |
1131 |
gIDEState.config[gIDEState.drive].device->release(); |
1132 |
IO_IDE_WARN("read failed!\n"); |
1133 |
return false; |
1134 |
} |
1135 |
ppc_dma_write(prd.addr, buffer, transfer_at_once); |
1136 |
} |
1137 |
pr_left -= transfer_at_once; |
1138 |
prd.addr += transfer_at_once; |
1139 |
to_transfer -= transfer_at_once; |
1140 |
if (pr_left < 0) { |
1141 |
gIDEState.config[gIDEState.drive].device->release(); |
1142 |
IO_IDE_WARN("pr_left became negative!\n"); |
1143 |
return false; |
1144 |
} |
1145 |
if (!pr_left) { |
1146 |
if (prd.size & 0x80000000) { |
1147 |
// no more prd's, but still something to transfer -> error |
1148 |
bool ready; |
1149 |
if (count) { |
1150 |
ready = false; |
1151 |
} else { |
1152 |
ready = gIDEState.state[gIDEState.drive].sector_count > 1; |
1153 |
} |
1154 |
if (to_transfer || ready) { |
1155 |
gIDEState.config[gIDEState.drive].device->release(); |
1156 |
IO_IDE_WARN("no more prd's, but still something to transfer\n"); |
1157 |
return false; |
1158 |
} |
1159 |
prd_exhausted = true; |
1160 |
} else { |
1161 |
// get next prd |
1162 |
prd_addr += 8; |
1163 |
if (!ppc_dma_read(&prd, prd_addr, 8)) { |
1164 |
gIDEState.config[gIDEState.drive].device->release(); |
1165 |
return false; |
1166 |
} |
1167 |
prd.addr = ppc_word_from_LE(prd.addr); |
1168 |
prd.size = ppc_word_from_LE(prd.size); |
1169 |
pr_left = prd.size & 0xffff; |
1170 |
if (!pr_left) pr_left = 64*1024; |
1171 |
transfer_at_once = to_transfer; |
1172 |
if (transfer_at_once > pr_left) transfer_at_once = pr_left; |
1173 |
} |
1174 |
} |
1175 |
} while (to_transfer); |
1176 |
if (count) { |
1177 |
count--; |
1178 |
if (!count) break; |
1179 |
} else { |
1180 |
incAddress(); |
1181 |
if (!gIDEState.state[gIDEState.drive].sector_count) break; |
1182 |
} |
1183 |
} |
1184 |
gIDEState.config[gIDEState.drive].device->release(); |
1185 |
return true; |
1186 |
} |
1187 |
|
1188 |
bool read_bmdma_reg(uint32 port, uint32 &data, uint size) |
1189 |
{ |
1190 |
IO_IDE_TRACE("bm-dma: read port: %08x, size: %d from (%08x, lr: %08x)\n", port, size, ppc_cpu_get_pc(0), ppc_cpu_get_lr(0)); |
1191 |
switch (port) { |
1192 |
case 0: |
1193 |
if (size==1) { |
1194 |
IO_IDE_TRACE("bmide command = %02x\n", mConfig[BMIDECR0]); |
1195 |
data = mConfig[BMIDECR0] & BM_IDE_CR_MASK; |
1196 |
return true; |
1197 |
} |
1198 |
break; |
1199 |
case 1: |
1200 |
if (size==1) { |
1201 |
IO_IDE_TRACE("bmide MRDMODE = %02x\n", mConfig[MRDMODE]); |
1202 |
data = mConfig[MRDMODE]; |
1203 |
return true; |
1204 |
} |
1205 |
break; |
1206 |
case 2: |
1207 |
if (size==1) { |
1208 |
IO_IDE_TRACE("bmide status = %02x\n", mConfig[BMIDESR0]); |
1209 |
data = mConfig[BMIDESR0] & BM_IDE_SR_MASK; |
1210 |
return true; |
1211 |
} |
1212 |
break; |
1213 |
case 3: |
1214 |
if (size == 1) { |
1215 |
data = mConfig[UDIDETCR0]; |
1216 |
return true; |
1217 |
} |
1218 |
break; |
1219 |
case 4: |
1220 |
if (size==4) { |
1221 |
memcpy(&data, &mConfig[DTPR0], 4); |
1222 |
data = ppc_word_from_LE(data); |
1223 |
IO_IDE_TRACE("bmide prd address: %08x\n", data); |
1224 |
return true; |
1225 |
} |
1226 |
break; |
1227 |
} |
1228 |
return false; |
1229 |
} |
1230 |
|
1231 |
bool bmide_start_dma(bool startbit) |
1232 |
{ |
1233 |
IO_IDE_TRACE("start dma %d\n", gIDEState.state[gIDEState.drive].mode); |
1234 |
switch (gIDEState.state[gIDEState.drive].mode) { |
1235 |
case IDE_TRANSFER_MODE_NONE: |
1236 |
/* |
1237 |
* wait for both: |
1238 |
* bmide start and appropriate device command |
1239 |
*/ |
1240 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_DMA; |
1241 |
if (startbit) mConfig[BMIDESR0] |= BM_IDE_SR_ACTIVE; |
1242 |
mConfig[BMIDESR0] &= ~BM_IDE_SR_ERROR; |
1243 |
return true; |
1244 |
case IDE_TRANSFER_MODE_DMA: |
1245 |
break; |
1246 |
default: |
1247 |
IO_IDE_ERR("invalid gIDEState.mode in write_bmdma_reg\n"); |
1248 |
} |
1249 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_NONE; |
1250 |
bool prd_exhausted; |
1251 |
uint32 bmide_prd_addr; |
1252 |
memcpy(&bmide_prd_addr, &mConfig[DTPR0], 4); |
1253 |
bmide_prd_addr = ppc_word_from_LE(bmide_prd_addr); |
1254 |
if (bm_ide_dotransfer(prd_exhausted, bmide_prd_addr, |
1255 |
mConfig[BMIDECR0], mConfig[BMIDESR0], |
1256 |
gIDEState.state[gIDEState.drive].dma_lba_start, |
1257 |
gIDEState.state[gIDEState.drive].dma_lba_count)) { |
1258 |
if (prd_exhausted) { |
1259 |
mConfig[BMIDESR0] &= ~BM_IDE_SR_ACTIVE; |
1260 |
} else { |
1261 |
mConfig[BMIDESR0] |= BM_IDE_SR_ACTIVE; |
1262 |
} |
1263 |
mConfig[BMIDESR0] &= ~BM_IDE_SR_ERROR; |
1264 |
mConfig[BMIDESR0] |= BM_IDE_SR_INTERRUPT; |
1265 |
raiseInterrupt(0); |
1266 |
return true; |
1267 |
} |
1268 |
return false; |
1269 |
} |
1270 |
|
1271 |
bool write_bmdma_reg(uint32 port, uint32 data, uint size) |
1272 |
{ |
1273 |
IO_IDE_TRACE("bm-dma: write port: %08x, data: %08x, size: %d from (%08x, lr: %08x)\n", port, data, size, ppc_cpu_get_pc(0), ppc_cpu_get_lr(0)); |
1274 |
switch (port) { |
1275 |
case 0: |
1276 |
if (size==1) { |
1277 |
byte prev_command = mConfig[BMIDECR0]; |
1278 |
mConfig[BMIDECR0] = data & BM_IDE_CR_MASK; |
1279 |
|
1280 |
byte set_command = mConfig[BMIDECR0] & (prev_command ^ mConfig[BMIDECR0]); |
1281 |
byte reset_command = (~mConfig[BMIDECR0]) & (prev_command ^ mConfig[BMIDECR0]); |
1282 |
|
1283 |
if (set_command & BM_IDE_CR_START) { |
1284 |
bmide_start_dma(true); |
1285 |
} |
1286 |
if (reset_command & BM_IDE_CR_START) { |
1287 |
cancelInterrupt(0); |
1288 |
} |
1289 |
IO_IDE_TRACE("bmide command: want set %02x, now %02x\n", data, mConfig[BMIDECR0]); |
1290 |
return true; |
1291 |
} |
1292 |
break; |
1293 |
case 1: { |
1294 |
IO_IDE_TRACE("bmide MRDMODE <- %02x\n", data); |
1295 |
mConfig[MRDMODE] &= ~(MRDMODE_BLK_CH0 | MRDMODE_BLK_CH1); |
1296 |
mConfig[MRDMODE] |= data & (MRDMODE_BLK_CH0 | MRDMODE_BLK_CH1); |
1297 |
if (data & MRDMODE_INTR_CH0) { |
1298 |
// mConfig[MRDMODE] &= ~MRDMODE_INTR_CH0; |
1299 |
// cancelInterrupt(0); |
1300 |
} |
1301 |
if (data & MRDMODE_INTR_CH1) { |
1302 |
// mConfig[MRDMODE] &= ~MRDMODE_INTR_CH1; |
1303 |
// cancelInterrupt(1); |
1304 |
} |
1305 |
/* |
1306 |
* if interrupts become unblocked and are pending -> signal them |
1307 |
*/ |
1308 |
if (!(mConfig[MRDMODE] & MRDMODE_BLK_CH0) && (mConfig[MRDMODE] & MRDMODE_INTR_CH0)) { |
1309 |
raiseInterrupt(0); |
1310 |
} |
1311 |
if (!(mConfig[MRDMODE] & MRDMODE_BLK_CH1) && (mConfig[MRDMODE] & MRDMODE_INTR_CH1)) { |
1312 |
raiseInterrupt(1); |
1313 |
} |
1314 |
return true; |
1315 |
} |
1316 |
case 2: |
1317 |
if (size==1) { |
1318 |
/* byte set_status = data & ((data & BM_IDE_SR_MASK) ^ mConfig[BMIDESR0]); |
1319 |
byte reset_status = (~data) & ((data & BM_IDE_SR_MASK) ^ mConfig[BMIDESR0]);*/ |
1320 |
if (data & BM_IDE_SR_ERROR) mConfig[BMIDESR0] &= ~BM_IDE_SR_ERROR; |
1321 |
if (data & BM_IDE_SR_INTERRUPT) { |
1322 |
mConfig[BMIDESR0] &= ~BM_IDE_SR_INTERRUPT; |
1323 |
cancelInterrupt(0); |
1324 |
} |
1325 |
if (data & BM_IDE_SR_DMA0_CAPABLE) mConfig[BMIDESR0] |= BM_IDE_SR_DMA0_CAPABLE; |
1326 |
if (data & BM_IDE_SR_DMA1_CAPABLE) mConfig[BMIDESR0] |= BM_IDE_SR_DMA1_CAPABLE; |
1327 |
if ((~data) & BM_IDE_SR_DMA0_CAPABLE) mConfig[BMIDESR0] &= ~BM_IDE_SR_DMA0_CAPABLE; |
1328 |
if ((~data) & BM_IDE_SR_DMA1_CAPABLE) mConfig[BMIDESR0] &= ~BM_IDE_SR_DMA1_CAPABLE; |
1329 |
IO_IDE_TRACE("bmide status: want set %02x, now %02x\n", data, mConfig[BMIDESR0]); |
1330 |
return true; |
1331 |
} |
1332 |
break; |
1333 |
case 3: |
1334 |
if (size == 1) { |
1335 |
mConfig[UDIDETCR0] = data; |
1336 |
return true; |
1337 |
} |
1338 |
break; |
1339 |
case 4: |
1340 |
if (size==4) { |
1341 |
IO_IDE_TRACE("bmide prd address: %08x\n", data); |
1342 |
data = ppc_word_to_LE(data); |
1343 |
memcpy(&mConfig[DTPR0], &data, 4); |
1344 |
return true; |
1345 |
} |
1346 |
} |
1347 |
return false; |
1348 |
} |
1349 |
|
1350 |
void ide_write_reg(uint32 addr, uint32 data, int size) |
1351 |
{ |
1352 |
if (size != 1) { |
1353 |
if (size != 2) { |
1354 |
IO_IDE_ERR("ide size bla\n"); |
1355 |
} |
1356 |
if (addr != IDE_ADDRESS_DATA) { |
1357 |
IO_IDE_ERR("ide size bla\n"); |
1358 |
} |
1359 |
// IO_IDE_TRACE("data <- %04x\n", data); |
1360 |
switch (gIDEState.state[gIDEState.drive].current_command) { |
1361 |
case IDE_COMMAND_WRITE_SECTOR: |
1362 |
*((uint16 *)&gIDEState.state[gIDEState.drive].sector[gIDEState.state[gIDEState.drive].sectorpos]) = ppc_half_to_LE(data); |
1363 |
gIDEState.state[gIDEState.drive].sectorpos += 2; |
1364 |
if (gIDEState.state[gIDEState.drive].sectorpos == 512) { |
1365 |
if (gIDEState.state[gIDEState.drive].mode == IDE_TRANSFER_MODE_WRITE) { |
1366 |
uint32 pos = makeLogical(gIDEState.state[gIDEState.drive].head, |
1367 |
gIDEState.state[gIDEState.drive].cyl, |
1368 |
gIDEState.state[gIDEState.drive].sector_no); |
1369 |
incAddress(); |
1370 |
IO_IDE_TRACE(" write sector cont. (%08x, %d)\n", pos, gIDEState.state[gIDEState.drive].sector_count); |
1371 |
IDEDevice *dev = gIDEState.config[gIDEState.drive].device; |
1372 |
dev->acquire(); |
1373 |
dev->setMode(ATA_DEVICE_MODE_PLAIN, 512); |
1374 |
dev->seek(pos); |
1375 |
dev->writeBlock(gIDEState.state[gIDEState.drive].sector); |
1376 |
dev->release(); |
1377 |
if (gIDEState.state[gIDEState.drive].sector_count) { |
1378 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_DRQ | IDE_STATUS_SKC; |
1379 |
} else { |
1380 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_NONE; |
1381 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
1382 |
} |
1383 |
raiseInterrupt(0); |
1384 |
} else { |
1385 |
IO_IDE_ERR("invalid state in %s:%d\n", __FILE__, __LINE__); |
1386 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_NONE; |
1387 |
} |
1388 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
1389 |
} |
1390 |
break; |
1391 |
case IDE_COMMAND_PACKET: |
1392 |
if (gIDEState.state[gIDEState.drive].sectorpos >= IDE_ATAPI_PACKET_SIZE) { |
1393 |
IO_IDE_ERR("sectorpos >= PACKET_SIZE\n"); |
1394 |
} |
1395 |
*((uint16 *)&gIDEState.state[gIDEState.drive].sector[gIDEState.state[gIDEState.drive].sectorpos]) = ppc_half_to_LE(data); |
1396 |
gIDEState.state[gIDEState.drive].sectorpos += 2; |
1397 |
if (gIDEState.state[gIDEState.drive].sectorpos >= IDE_ATAPI_PACKET_SIZE) { |
1398 |
// ATAPI packet received |
1399 |
IDEDevice *dev = gIDEState.config[gIDEState.drive].device; |
1400 |
dev->acquire(); |
1401 |
receive_atapi_packet(); |
1402 |
dev->release(); |
1403 |
} |
1404 |
break; |
1405 |
} |
1406 |
return; |
1407 |
} |
1408 |
switch (addr) { |
1409 |
case IDE_ADDRESS_FEATURE: { |
1410 |
IO_IDE_TRACE("feature <- %x\n", data); |
1411 |
gIDEState.state[gIDEState.drive].feature = data; |
1412 |
return; |
1413 |
} |
1414 |
case IDE_ADDRESS_COMMAND: { |
1415 |
IO_IDE_TRACE("command register (%02x)\n", data); |
1416 |
gIDEState.state[gIDEState.drive].current_command = data; |
1417 |
gIDEState.one_time_shit = true; |
1418 |
switch (data) { |
1419 |
case IDE_COMMAND_RESET_ATAPI: { |
1420 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATAPI) { |
1421 |
IO_IDE_WARN("reset non ATAPI-Drive\n"); |
1422 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1423 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1424 |
break; |
1425 |
} |
1426 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
1427 |
gIDEState.state[gIDEState.drive].error = 0; |
1428 |
gIDEState.state[gIDEState.drive].sector_count = 1; |
1429 |
gIDEState.state[gIDEState.drive].sector_no = 1; |
1430 |
gIDEState.state[gIDEState.drive].cyl = 0xeb14; |
1431 |
gIDEState.state[gIDEState.drive].head = 0; |
1432 |
// no interrupt: |
1433 |
return; |
1434 |
} |
1435 |
case IDE_COMMAND_RECALIBRATE: { |
1436 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATA) { |
1437 |
IO_IDE_WARN("recalibrate non ATA-Drive\n"); |
1438 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1439 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1440 |
break; |
1441 |
} |
1442 |
if (gIDEState.config[gIDEState.drive].installed) { |
1443 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
1444 |
gIDEState.state[gIDEState.drive].error = 0; |
1445 |
} else { |
1446 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1447 |
gIDEState.state[gIDEState.drive].error = 0x2; // Track 0 not found |
1448 |
} |
1449 |
break; |
1450 |
} |
1451 |
case IDE_COMMAND_READ_SECTOR: { |
1452 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATA) { |
1453 |
IO_IDE_WARN("read sector from non ATA-Disk\n"); |
1454 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1455 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1456 |
break; |
1457 |
} |
1458 |
uint32 pos = makeLogical(gIDEState.state[gIDEState.drive].head, |
1459 |
gIDEState.state[gIDEState.drive].cyl, |
1460 |
gIDEState.state[gIDEState.drive].sector_no); |
1461 |
IO_IDE_TRACE("read sector(%08x, %d)\n", pos, gIDEState.state[gIDEState.drive].sector_count); |
1462 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_DRQ | IDE_STATUS_SKC; |
1463 |
|
1464 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_READ; |
1465 |
IDEDevice *dev = gIDEState.config[gIDEState.drive].device; |
1466 |
dev->acquire(); |
1467 |
dev->setMode(ATA_DEVICE_MODE_PLAIN, 512); |
1468 |
dev->seek(pos); |
1469 |
dev->readBlock(gIDEState.state[gIDEState.drive].sector); |
1470 |
dev->release(); |
1471 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
1472 |
gIDEState.state[gIDEState.drive].error = 0; |
1473 |
break; |
1474 |
} |
1475 |
case IDE_COMMAND_WRITE_SECTOR: { |
1476 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATA) { |
1477 |
IO_IDE_WARN("write sector to non ATA-Disk\n"); |
1478 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1479 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1480 |
break; |
1481 |
} |
1482 |
IO_IDE_TRACE("write sector(%08x, %d)\n", |
1483 |
makeLogical(gIDEState.state[gIDEState.drive].head, |
1484 |
gIDEState.state[gIDEState.drive].cyl, |
1485 |
gIDEState.state[gIDEState.drive].sector_no), |
1486 |
gIDEState.state[gIDEState.drive].sector_count); |
1487 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_DRQ | IDE_STATUS_SKC; |
1488 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_WRITE; |
1489 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
1490 |
gIDEState.state[gIDEState.drive].error = 0; |
1491 |
return; |
1492 |
} |
1493 |
case IDE_COMMAND_FIX_PARAM: { |
1494 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATA) { |
1495 |
IO_IDE_WARN("recalibrate non ATA-Drive\n"); |
1496 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1497 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1498 |
break; |
1499 |
} |
1500 |
if (gIDEState.config[gIDEState.drive].installed) { |
1501 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
1502 |
gIDEState.state[gIDEState.drive].error = 0; |
1503 |
} else { |
1504 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1505 |
gIDEState.state[gIDEState.drive].error = 0x2; // Track 0 not found |
1506 |
} |
1507 |
break; |
1508 |
} |
1509 |
case IDE_COMMAND_READ_SECTOR_DMA: { |
1510 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATA) { |
1511 |
IO_IDE_WARN("read sector from non ATA-Disk\n"); |
1512 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1513 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1514 |
break; |
1515 |
} |
1516 |
gIDEState.state[gIDEState.drive].dma_lba_start = makeLogical( |
1517 |
gIDEState.state[gIDEState.drive].head, |
1518 |
gIDEState.state[gIDEState.drive].cyl, |
1519 |
gIDEState.state[gIDEState.drive].sector_no); |
1520 |
gIDEState.state[gIDEState.drive].dma_lba_count = 0; |
1521 |
gIDEState.state[gIDEState.drive].current_sector_size = 512; |
1522 |
IO_IDE_TRACE("read sector dma(%08x, %d)\n", |
1523 |
gIDEState.state[gIDEState.drive].dma_lba_start, |
1524 |
gIDEState.state[gIDEState.drive].sector_count); |
1525 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
1526 |
gIDEState.config[gIDEState.drive].device->acquire(); |
1527 |
gIDEState.config[gIDEState.drive].device->setMode(ATA_DEVICE_MODE_PLAIN, 512); |
1528 |
gIDEState.config[gIDEState.drive].device->seek(gIDEState.state[gIDEState.drive].dma_lba_start); |
1529 |
bmide_start_dma(false); |
1530 |
// no interrupt here: |
1531 |
return; |
1532 |
} |
1533 |
case IDE_COMMAND_WRITE_SECTOR_DMA: { |
1534 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATA) { |
1535 |
IO_IDE_WARN("write sector to non ATA-Disk\n"); |
1536 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1537 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1538 |
break; |
1539 |
} |
1540 |
gIDEState.state[gIDEState.drive].dma_lba_start = makeLogical( |
1541 |
gIDEState.state[gIDEState.drive].head, |
1542 |
gIDEState.state[gIDEState.drive].cyl, |
1543 |
gIDEState.state[gIDEState.drive].sector_no); |
1544 |
gIDEState.state[gIDEState.drive].dma_lba_count = 0; |
1545 |
gIDEState.state[gIDEState.drive].current_sector_size = 512; |
1546 |
IO_IDE_TRACE("write sector dma(%08x, %d)\n", |
1547 |
gIDEState.state[gIDEState.drive].dma_lba_start, |
1548 |
gIDEState.state[gIDEState.drive].sector_count); |
1549 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
1550 |
gIDEState.config[gIDEState.drive].device->acquire(); |
1551 |
gIDEState.config[gIDEState.drive].device->setMode(ATA_DEVICE_MODE_PLAIN, 512); |
1552 |
gIDEState.config[gIDEState.drive].device->seek(gIDEState.state[gIDEState.drive].dma_lba_start); |
1553 |
bmide_start_dma(false); |
1554 |
// no interrupt here: |
1555 |
return; |
1556 |
} |
1557 |
case IDE_COMMAND_IDENT: { |
1558 |
if (gIDEState.config[gIDEState.drive].protocol == IDE_ATAPI) { |
1559 |
gIDEState.drive_head &= ~0xf; |
1560 |
gIDEState.state[gIDEState.drive].sector_no = 1; |
1561 |
gIDEState.state[gIDEState.drive].sector_count = 1; |
1562 |
gIDEState.state[gIDEState.drive].cyl = 0xeb14; |
1563 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1564 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1565 |
break; |
1566 |
} |
1567 |
drive_ident(); |
1568 |
break; |
1569 |
} |
1570 |
case IDE_COMMAND_IDENT_ATAPI: { |
1571 |
if (gIDEState.config[gIDEState.drive].protocol == IDE_ATA) { |
1572 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1573 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1574 |
break; |
1575 |
} |
1576 |
drive_ident(); |
1577 |
break; |
1578 |
} |
1579 |
case IDE_COMMAND_PACKET: { |
1580 |
if (gIDEState.config[gIDEState.drive].protocol != IDE_ATAPI) { |
1581 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1582 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1583 |
break; |
1584 |
} |
1585 |
if (gIDEState.state[gIDEState.drive].feature & 1) { |
1586 |
// IO_IDE_WARN("ATAPI feature dma\n"); |
1587 |
gIDEState.config[gIDEState.drive].cdrom.dma = true; |
1588 |
} else { |
1589 |
gIDEState.config[gIDEState.drive].cdrom.dma = false; |
1590 |
} |
1591 |
if (gIDEState.state[gIDEState.drive].feature & 2) { |
1592 |
IO_IDE_ERR("ATAPI feature overlapped not supported\n"); |
1593 |
} |
1594 |
gIDEState.state[gIDEState.drive].sector_count = 1; |
1595 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC | IDE_STATUS_DRQ; |
1596 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
1597 |
// don't raise interrupt: |
1598 |
return; |
1599 |
} |
1600 |
case IDE_COMMAND_SET_FEATURE: { |
1601 |
switch (gIDEState.state[gIDEState.drive].feature) { |
1602 |
case IDE_COMMAND_FEATURE_ENABLE_WRITE_CACHE: |
1603 |
case IDE_COMMAND_FEATURE_SET_TRANSFER_MODE: |
1604 |
case IDE_COMMAND_FEATURE_ENABLE_APM: |
1605 |
case IDE_COMMAND_FEATURE_SET_PIO_MODE: |
1606 |
case IDE_COMMAND_FEATURE_DISABLE_WRITE_CACHE: |
1607 |
case IDE_COMMAND_FEATURE_ENABLE_LOOKAHEAD: |
1608 |
case IDE_COMMAND_FEATURE_DISABLE_LOOKAHEAD: |
1609 |
case IDE_COMMAND_FEATURE_ENABLE_PW_DEFAULT: |
1610 |
case IDE_COMMAND_FEATURE_DISABLE_PW_DEFAULT: |
1611 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY; |
1612 |
gIDEState.state[gIDEState.drive].error = 0; |
1613 |
break; |
1614 |
default: |
1615 |
IO_IDE_WARN("set feature: unkown sub-command (0x%02x)\n", gIDEState.state[gIDEState.drive].feature); |
1616 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1617 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1618 |
break; |
1619 |
} |
1620 |
// FIXME: dont raise interrupt? |
1621 |
break; |
1622 |
} |
1623 |
case IDE_COMMAND_STANDBY_IMMEDIATE: |
1624 |
IO_IDE_WARN("command STANDBY_IMMEDIATE stub\n"); |
1625 |
// FIXME: dont raise interrupt? |
1626 |
break; |
1627 |
case IDE_COMMAND_FLUSH_CACHE: |
1628 |
gIDEState.config[gIDEState.drive].device->acquire(); |
1629 |
gIDEState.config[gIDEState.drive].device->flush(); |
1630 |
gIDEState.config[gIDEState.drive].device->release(); |
1631 |
break; |
1632 |
case IDE_COMMAND_SLEEP: |
1633 |
IO_IDE_WARN("command SLEEP stub\n"); |
1634 |
// FIXME: dont raise interrupt? |
1635 |
break; |
1636 |
case IDE_COMMAND_SET_MULTIPLE: |
1637 |
IO_IDE_WARN("command SET MULTIPLE not implemented\n"); |
1638 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1639 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1640 |
break; |
1641 |
case IDE_COMMAND_READ_NATIVE_MAX: |
1642 |
IO_IDE_WARN("command READ NATIVE MAX ADDRESS not implemented\n"); |
1643 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_ERR; |
1644 |
gIDEState.state[gIDEState.drive].error = 0x4; |
1645 |
break; |
1646 |
default: |
1647 |
IO_IDE_ERR("command '%x' not impl\n", data); |
1648 |
} |
1649 |
raiseInterrupt(0); |
1650 |
return; |
1651 |
} |
1652 |
case IDE_ADDRESS_DRV_HEAD: { |
1653 |
IO_IDE_TRACE("drive head <- %x\n", data); |
1654 |
gIDEState.drive_head = data | 0xa0; |
1655 |
if (!(gIDEState.drive_head & IDE_DRIVE_HEAD_SLAVE)) { |
1656 |
if (gIDEState.config[0].installed) { |
1657 |
gIDEState.state[0].status &= ~IDE_STATUS_ERR; |
1658 |
gIDEState.state[0].status |= IDE_STATUS_RDY; |
1659 |
if (!gIDEState.one_time_shit) { |
1660 |
gIDEState.state[0].status |= IDE_STATUS_SKC; |
1661 |
if (gIDEState.config[0].protocol == IDE_ATA) { |
1662 |
gIDEState.state[0].cyl = 0; |
1663 |
gIDEState.state[0].sector_count = 1; |
1664 |
gIDEState.state[0].sector_no = 1; |
1665 |
} else { |
1666 |
gIDEState.state[0].cyl = 0xeb14; |
1667 |
} |
1668 |
} |
1669 |
gIDEState.state[0].error = 1; |
1670 |
} else { |
1671 |
gIDEState.state[0].status |= IDE_STATUS_ERR; |
1672 |
gIDEState.state[0].error = 4; // abort |
1673 |
// FIXME: is this correct? |
1674 |
// should we allow setting gIDEState.drive |
1675 |
// to drives not present or return here? |
1676 |
} |
1677 |
gIDEState.drive = 0; |
1678 |
} else { |
1679 |
if (gIDEState.config[1].installed) { |
1680 |
gIDEState.state[1].status &= ~IDE_STATUS_ERR; |
1681 |
gIDEState.state[1].status |= IDE_STATUS_RDY; |
1682 |
if (!gIDEState.one_time_shit) { |
1683 |
gIDEState.state[1].status |= IDE_STATUS_SKC; |
1684 |
if (gIDEState.config[1].protocol == IDE_ATA) { |
1685 |
gIDEState.state[1].cyl = 0; |
1686 |
gIDEState.state[1].sector_count = 1; |
1687 |
gIDEState.state[1].sector_no = 1; |
1688 |
} else { |
1689 |
gIDEState.state[1].cyl = 0xeb14; |
1690 |
} |
1691 |
} |
1692 |
gIDEState.state[1].error = 1; |
1693 |
} else { |
1694 |
gIDEState.state[1].status |= IDE_STATUS_ERR; |
1695 |
gIDEState.state[1].error = 4; // abort |
1696 |
} |
1697 |
gIDEState.drive = 1; |
1698 |
// FIXME: see above |
1699 |
} |
1700 |
gIDEState.config[gIDEState.drive].lba = gIDEState.drive_head & IDE_DRIVE_HEAD_LBA; |
1701 |
gIDEState.state[gIDEState.drive].head = gIDEState.drive_head & 0x0f; |
1702 |
return; |
1703 |
} |
1704 |
case IDE_ADDRESS_OUTPUT: { |
1705 |
if (data & 4) { |
1706 |
// reset |
1707 |
} |
1708 |
IO_IDE_TRACE("output register <- %x\n", data); |
1709 |
gIDEState.state[gIDEState.drive].outreg = data; |
1710 |
return; |
1711 |
} |
1712 |
case IDE_ADDRESS_SEC_CNT: { |
1713 |
IO_IDE_TRACE("sec_cnt <- %x\n", data); |
1714 |
gIDEState.state[gIDEState.drive].sector_count = data; |
1715 |
return; |
1716 |
} |
1717 |
case IDE_ADDRESS_SEC_NO: { |
1718 |
IO_IDE_TRACE("sec_no <- %x\n", data); |
1719 |
gIDEState.state[gIDEState.drive].sector_no = data; |
1720 |
return; |
1721 |
} |
1722 |
case IDE_ADDRESS_CYL_LSB: { |
1723 |
IO_IDE_TRACE("cyl_lsb <- %x\n", data); |
1724 |
gIDEState.state[gIDEState.drive].cyl = (data&0xff) + (gIDEState.state[gIDEState.drive].cyl & 0xff00); |
1725 |
return; |
1726 |
} |
1727 |
case IDE_ADDRESS_CYL_MSB: |
1728 |
IO_IDE_TRACE("cyl_msb <- %x\n", data); |
1729 |
gIDEState.state[gIDEState.drive].cyl = ((data<<8)&0xff00) + (gIDEState.state[gIDEState.drive].cyl & 0xff); |
1730 |
return; |
1731 |
} |
1732 |
IO_IDE_ERR("write(%d) %08x to unknown IDE register %d\n", size, data, addr); |
1733 |
} |
1734 |
|
1735 |
void ide_read_reg(uint32 addr, uint32 &data, int size) |
1736 |
{ |
1737 |
if (size != 1) { |
1738 |
if (size != 2) { |
1739 |
IO_IDE_ERR("ide size bla\n"); |
1740 |
} |
1741 |
if (addr != IDE_ADDRESS_DATA) { |
1742 |
IO_IDE_ERR("ide size bla\n"); |
1743 |
} |
1744 |
if (!(gIDEState.state[gIDEState.drive].status & IDE_STATUS_DRQ)) { |
1745 |
IO_IDE_WARN("read data w/o DRQ, last command: 0x%08x\n", gIDEState.state[gIDEState.drive].current_command); |
1746 |
return; |
1747 |
} |
1748 |
switch (gIDEState.state[gIDEState.drive].current_command) { |
1749 |
case IDE_COMMAND_READ_SECTOR: |
1750 |
case IDE_COMMAND_IDENT: |
1751 |
case IDE_COMMAND_IDENT_ATAPI: |
1752 |
data = ppc_half_from_LE(*((uint16 *)&gIDEState.state[gIDEState.drive].sector[gIDEState.state[gIDEState.drive].sectorpos])); |
1753 |
gIDEState.state[gIDEState.drive].sectorpos += 2; |
1754 |
// IO_IDE_TRACE("data: %04x\n", data); |
1755 |
if (gIDEState.state[gIDEState.drive].sectorpos == 512) { |
1756 |
if (gIDEState.state[gIDEState.drive].mode == IDE_TRANSFER_MODE_READ) { |
1757 |
incAddress(); |
1758 |
if (gIDEState.state[gIDEState.drive].sector_count) { |
1759 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC | IDE_STATUS_DRQ; |
1760 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_READ; |
1761 |
uint32 pos = makeLogical(gIDEState.drive_head & 0xf, gIDEState.state[gIDEState.drive].cyl, gIDEState.state[gIDEState.drive].sector_no); |
1762 |
IO_IDE_TRACE(" read sector cont. (%08x, %d)\n", pos, gIDEState.state[gIDEState.drive].sector_count); |
1763 |
IDEDevice *dev = gIDEState.config[gIDEState.drive].device; |
1764 |
dev->acquire(); |
1765 |
dev->setMode(ATA_DEVICE_MODE_PLAIN, 512); |
1766 |
dev->seek(pos); |
1767 |
dev->readBlock(gIDEState.state[gIDEState.drive].sector); |
1768 |
dev->release(); |
1769 |
raiseInterrupt(0); |
1770 |
} else { |
1771 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_NONE; |
1772 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY; |
1773 |
} |
1774 |
} else { |
1775 |
gIDEState.state[gIDEState.drive].mode = IDE_TRANSFER_MODE_NONE; |
1776 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY; |
1777 |
} |
1778 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
1779 |
} |
1780 |
break; |
1781 |
case IDE_COMMAND_PACKET: |
1782 |
if (gIDEState.state[gIDEState.drive].sectorpos == gIDEState.state[gIDEState.drive].current_sector_size) { |
1783 |
switch (gIDEState.config[gIDEState.drive].cdrom.atapi.command) { |
1784 |
case IDE_ATAPI_COMMAND_READ10: |
1785 |
case IDE_ATAPI_COMMAND_READ12: { |
1786 |
CDROMDevice *dev = (CDROMDevice *)gIDEState.config[gIDEState.drive].device; |
1787 |
if (!dev->isReady()) { |
1788 |
IO_IDE_ERR("read with cdrom not ready\n"); |
1789 |
} |
1790 |
dev->acquire(); |
1791 |
dev->setMode(IDE_ATAPI_TRANSFER_DATA, |
1792 |
gIDEState.state[gIDEState.drive].current_sector_size); |
1793 |
dev->seek(gIDEState.config[gIDEState.drive].cdrom.next_lba); |
1794 |
dev->readBlock(gIDEState.state[gIDEState.drive].sector); |
1795 |
dev->release(); |
1796 |
gIDEState.config[gIDEState.drive].cdrom.next_lba++; |
1797 |
gIDEState.config[gIDEState.drive].cdrom.remain--; |
1798 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
1799 |
break; |
1800 |
} |
1801 |
case IDE_ATAPI_COMMAND_READ_CD: { |
1802 |
CDROMDevice *dev = (CDROMDevice *)gIDEState.config[gIDEState.drive].device; |
1803 |
if (!dev->isReady()) { |
1804 |
IO_IDE_ERR("read with cdrom not ready\n"); |
1805 |
} |
1806 |
dev->acquire(); |
1807 |
dev->setMode(gIDEState.state[gIDEState.drive].atapi_transfer_request, |
1808 |
gIDEState.state[gIDEState.drive].current_sector_size); |
1809 |
dev->seek(gIDEState.config[gIDEState.drive].cdrom.next_lba); |
1810 |
dev->readBlock(gIDEState.state[gIDEState.drive].sector); |
1811 |
dev->release(); |
1812 |
gIDEState.config[gIDEState.drive].cdrom.next_lba++; |
1813 |
gIDEState.config[gIDEState.drive].cdrom.remain--; |
1814 |
gIDEState.state[gIDEState.drive].sectorpos = 0; |
1815 |
break; |
1816 |
} |
1817 |
default: |
1818 |
IO_IDE_ERR("unknown atapi state\n"); |
1819 |
} |
1820 |
} |
1821 |
data = ppc_half_from_LE(*((uint16 *)&gIDEState.state[gIDEState.drive].sector[gIDEState.state[gIDEState.drive].sectorpos])); |
1822 |
gIDEState.state[gIDEState.drive].sectorpos += 2; |
1823 |
// IO_IDE_TRACE("data: %04x\n", data); |
1824 |
gIDEState.state[gIDEState.drive].drqpos += 2; |
1825 |
if (gIDEState.state[gIDEState.drive].drqpos >= gIDEState.config[gIDEState.drive].cdrom.atapi.drq_bytes) { |
1826 |
gIDEState.state[gIDEState.drive].drqpos = 0; |
1827 |
gIDEState.config[gIDEState.drive].cdrom.atapi.total_remain -= gIDEState.config[gIDEState.drive].cdrom.atapi.drq_bytes; |
1828 |
if (gIDEState.config[gIDEState.drive].cdrom.atapi.total_remain > 0) { |
1829 |
gIDEState.state[gIDEState.drive].status &= ~IDE_STATUS_BSY; |
1830 |
gIDEState.state[gIDEState.drive].status |= IDE_STATUS_DRQ; |
1831 |
gIDEState.state[gIDEState.drive].intr_reason |= IDE_ATAPI_INTR_REASON_I_O; |
1832 |
gIDEState.state[gIDEState.drive].intr_reason &= ~IDE_ATAPI_INTR_REASON_C_D; |
1833 |
if (gIDEState.state[gIDEState.drive].byte_count > gIDEState.config[gIDEState.drive].cdrom.atapi.total_remain) { |
1834 |
gIDEState.state[gIDEState.drive].byte_count = gIDEState.config[gIDEState.drive].cdrom.atapi.total_remain; |
1835 |
} |
1836 |
gIDEState.config[gIDEState.drive].cdrom.atapi.drq_bytes = gIDEState.state[gIDEState.drive].byte_count; |
1837 |
} else { |
1838 |
gIDEState.state[gIDEState.drive].status = IDE_STATUS_RDY | IDE_STATUS_SKC; |
1839 |
gIDEState.state[gIDEState.drive].intr_reason |= IDE_ATAPI_INTR_REASON_I_O | IDE_ATAPI_INTR_REASON_C_D; |
1840 |
gIDEState.state[gIDEState.drive].intr_reason &= ~IDE_ATAPI_INTR_REASON_REL; |
1841 |
} |
1842 |
raiseInterrupt(0); |
1843 |
} |
1844 |
break; |
1845 |
default: |
1846 |
IO_IDE_ERR("data read + DRQ after 0x08%x\n", gIDEState.state[gIDEState.drive].current_command); |
1847 |
} |
1848 |
return; |
1849 |
} |
1850 |
switch (addr) { |
1851 |
case IDE_ADDRESS_ERROR: { |
1852 |
IO_IDE_TRACE("error: %02x\n", gIDEState.state[gIDEState.drive].error); |
1853 |
data = gIDEState.state[gIDEState.drive].error; |
1854 |
gIDEState.state[gIDEState.drive].status &= ~IDE_STATUS_ERR; |
1855 |
return ; |
1856 |
} |
1857 |
case IDE_ADDRESS_DRV_HEAD: { |
1858 |
IO_IDE_TRACE("drive_head: %02x\n", gIDEState.drive_head); |
1859 |
data = (gIDEState.state[gIDEState.drive].head & 0x0f) |
1860 |
| (gIDEState.drive_head & 0x10) |
1861 |
| 0xa0 |
1862 |
| (gIDEState.config[gIDEState.drive].lba ? (1<<6): 0); |
1863 |
return ; |
1864 |
} |
1865 |
case IDE_ADDRESS_STATUS: { |
1866 |
IO_IDE_TRACE("status: %02x\n", gIDEState.state[gIDEState.drive].status); |
1867 |
data = gIDEState.state[gIDEState.drive].status; |
1868 |
cancelInterrupt(0); |
1869 |
return ; |
1870 |
} |
1871 |
case IDE_ADDRESS_STATUS2: { |
1872 |
IO_IDE_TRACE("alt-status register: %02x\n", gIDEState.state[gIDEState.drive].status); |
1873 |
data = gIDEState.state[gIDEState.drive].status; |
1874 |
return; |
1875 |
} |
1876 |
case IDE_ADDRESS_SEC_CNT: { |
1877 |
data = gIDEState.state[gIDEState.drive].sector_count; |
1878 |
IO_IDE_TRACE("sec_cnt: %x (from: @%08x)\n", data, ppc_cpu_get_pc(0)); |
1879 |
return; |
1880 |
} |
1881 |
case IDE_ADDRESS_SEC_NO: { |
1882 |
data = gIDEState.state[gIDEState.drive].sector_no; |
1883 |
IO_IDE_TRACE("sec_no: %x\n", data); |
1884 |
return; |
1885 |
} |
1886 |
case IDE_ADDRESS_CYL_LSB: { |
1887 |
data = gIDEState.state[gIDEState.drive].cyl & 0xff; |
1888 |
IO_IDE_TRACE("cyl_lsb: %x\n", data); |
1889 |
return; |
1890 |
} |
1891 |
case IDE_ADDRESS_CYL_MSB: { |
1892 |
data = (gIDEState.state[gIDEState.drive].cyl & 0xff00) >> 8; |
1893 |
IO_IDE_TRACE("cyl_msb: %x\n", data); |
1894 |
return; |
1895 |
} |
1896 |
} |
1897 |
IO_IDE_ERR("write(%d) %08x to unknown IDE register %d\n", size, data, addr); |
1898 |
} |
1899 |
|
1900 |
/******************************************************************************** |
1901 |
* PCI Interface |
1902 |
*/ |
1903 |
virtual bool readDeviceIO(uint r, uint32 port, uint32 &data, uint size) |
1904 |
{ |
1905 |
switch (r) { |
1906 |
case IDE_PCI_REG_0_CMD: |
1907 |
ide_read_reg(port, data, size); |
1908 |
return true; |
1909 |
case IDE_PCI_REG_0_CTRL: |
1910 |
ide_read_reg(port+0x10, data, size); |
1911 |
return true; |
1912 |
case IDE_PCI_REG_BMDMA: |
1913 |
return read_bmdma_reg(port, data, size); |
1914 |
} |
1915 |
return false; |
1916 |
} |
1917 |
|
1918 |
virtual bool writeDeviceIO(uint r, uint32 port, uint32 data, uint size) |
1919 |
{ |
1920 |
switch (r) { |
1921 |
case IDE_PCI_REG_0_CMD: |
1922 |
ide_write_reg(port, data, size); |
1923 |
return true; |
1924 |
case IDE_PCI_REG_0_CTRL: |
1925 |
ide_write_reg(port+0x10, data, size); |
1926 |
return true; |
1927 |
case IDE_PCI_REG_BMDMA: |
1928 |
return write_bmdma_reg(port, data, size); |
1929 |
} |
1930 |
return false; |
1931 |
} |
1932 |
|
1933 |
virtual void readConfig(uint reg) |
1934 |
{ |
1935 |
if (reg >= BMIDECR0 && reg <= DTPR0) { |
1936 |
// they are already set... |
1937 |
// hook here, if you need notify on read |
1938 |
} |
1939 |
PCI_Device::readConfig(reg); |
1940 |
} |
1941 |
|
1942 |
virtual void writeConfig(uint reg, int offset, int size) |
1943 |
{ |
1944 |
if (reg == 0x30) { |
1945 |
// ROM-Address |
1946 |
// FIXME: Who needs this? |
1947 |
gPCI_Data &= ~3; |
1948 |
} |
1949 |
if (reg >= BMIDECR0 && reg <= DTPR0) { |
1950 |
// FIXME: please fix this. I won't. |
1951 |
if (size != 1) IO_IDE_ERR("size != 1 bla in writeConfig()\n"); |
1952 |
uint32 data = (gPCI_Data >> (offset*8)) & 0xff; |
1953 |
write_bmdma_reg(reg-BMIDECR0+offset, data, size); |
1954 |
return ; |
1955 |
} |
1956 |
PCI_Device::writeConfig(reg, offset, size); |
1957 |
} |
1958 |
|
1959 |
}; |
1960 |
|
1961 |
/* |
1962 |
* |
1963 |
*/ |
1964 |
|
1965 |
IDEConfig *ide_get_config(int disk) |
1966 |
{ |
1967 |
switch (disk) { |
1968 |
case 0: |
1969 |
case 1: |
1970 |
return &gIDEState.config[disk]; |
1971 |
break; |
1972 |
} |
1973 |
return NULL; |
1974 |
} |
1975 |
|
1976 |
#define IDE_KEY_IDE0_MASTER_INSTALLED "pci_ide0_master_installed" |
1977 |
#define IDE_KEY_IDE0_MASTER_TYPE "pci_ide0_master_type" |
1978 |
#define IDE_KEY_IDE0_MASTER_IMG "pci_ide0_master_image" |
1979 |
#define IDE_KEY_IDE0_SLAVE_INSTALLED "pci_ide0_slave_installed" |
1980 |
#define IDE_KEY_IDE0_SLAVE_TYPE "pci_ide0_slave_type" |
1981 |
#define IDE_KEY_IDE0_SLAVE_IMG "pci_ide0_slave_image" |
1982 |
|
1983 |
#include "configparser.h" |
1984 |
#include "tools/except.h" |
1985 |
void ide_init() |
1986 |
{ |
1987 |
memset(&gIDEState, 0, sizeof gIDEState); |
1988 |
for (int DISK=0; DISK<2; DISK++) { |
1989 |
const char *instkeys[] = {IDE_KEY_IDE0_MASTER_INSTALLED, IDE_KEY_IDE0_SLAVE_INSTALLED}; |
1990 |
const char *instkey = instkeys[DISK]; |
1991 |
const char *typekeys[] = {IDE_KEY_IDE0_MASTER_TYPE, IDE_KEY_IDE0_SLAVE_TYPE}; |
1992 |
const char *typekey = typekeys[DISK]; |
1993 |
const char *imgkeys[] = {IDE_KEY_IDE0_MASTER_IMG, IDE_KEY_IDE0_SLAVE_IMG}; |
1994 |
const char *imgkey = imgkeys[DISK]; |
1995 |
if (gConfig->getConfigInt(instkey)) { |
1996 |
const char *masterslave[] = {"master", "slave"}; |
1997 |
if (!gConfig->haveKey(imgkey)) throw MsgfException("no disk image specified for ide%d %s.", 0, masterslave[DISK]); |
1998 |
String img, tmp, ext; |
1999 |
gConfig->getConfigString(imgkey, img); |
2000 |
if (gConfig->haveKey(typekey)) { |
2001 |
String type; |
2002 |
gConfig->getConfigString(typekey, type); |
2003 |
if (type == (String)"hd") { |
2004 |
ext = "img"; |
2005 |
} else if (type == (String)"cdrom") { |
2006 |
ext = "iso"; |
2007 |
} else if (type == (String)"dvdrom") { |
2008 |
ext = "dvd"; |
2009 |
} else if (type == (String)"nativecdrom") { |
2010 |
ext = "nativecdrom"; |
2011 |
} else { |
2012 |
IO_IDE_ERR("key '%s' must be set to 'hd', 'cdrom' or 'nativecdrom'\n", typekey); |
2013 |
} |
2014 |
} else { |
2015 |
// type isn't specified, so we must rely on the file extension |
2016 |
if (!img.rightSplit('.', tmp, ext)) { |
2017 |
IO_IDE_ERR("unknown disk image (file extension is neither 'img' nor 'iso').\n"); |
2018 |
} |
2019 |
} |
2020 |
String name; |
2021 |
name.assignFormat("ide%d", DISK); |
2022 |
if (ext == "img") { |
2023 |
gIDEState.config[DISK].protocol = IDE_ATA; |
2024 |
gIDEState.config[DISK].device = new ATADeviceFile(name.contentChar(), img.contentChar()); |
2025 |
const char *error; |
2026 |
if ((error = gIDEState.config[DISK].device->getError())) IO_IDE_ERR("%s\n", error); |
2027 |
gIDEState.config[DISK].hd.cyl = ((ATADevice*)gIDEState.config[DISK].device)->mCyl; |
2028 |
gIDEState.config[DISK].hd.heads = ((ATADevice*)gIDEState.config[DISK].device)->mHeads; |
2029 |
gIDEState.config[DISK].hd.spt = ((ATADevice*)gIDEState.config[DISK].device)->mSpt; |
2030 |
gIDEState.config[DISK].bps = 512; |
2031 |
gIDEState.config[DISK].lba = true; |
2032 |
} else if (ext == "iso") { |
2033 |
gIDEState.config[DISK].protocol = IDE_ATAPI; |
2034 |
gIDEState.config[DISK].device = new CDROMDeviceFile(name.contentChar()); |
2035 |
((CDROMDeviceFile *)gIDEState.config[DISK].device)->activateDVD(false); |
2036 |
((CDROMDeviceFile *)gIDEState.config[DISK].device)->changeDataSource(img.contentChar()); |
2037 |
const char *error; |
2038 |
if ((error = gIDEState.config[DISK].device->getError())) IO_IDE_ERR("%s\n", error); |
2039 |
((CDROMDeviceFile *)gIDEState.config[DISK].device)->setReady(true); |
2040 |
gIDEState.config[DISK].bps = 2048; |
2041 |
gIDEState.config[DISK].lba = false; |
2042 |
} else if (ext == "dvd") { |
2043 |
gIDEState.config[DISK].protocol = IDE_ATAPI; |
2044 |
gIDEState.config[DISK].device = new CDROMDeviceFile(name.contentChar()); |
2045 |
((CDROMDeviceFile *)gIDEState.config[DISK].device)->activateDVD(true); |
2046 |
|
2047 |
((CDROMDeviceFile *)gIDEState.config[DISK].device)->changeDataSource(img.contentChar()); |
2048 |
const char *error; |
2049 |
if ((error = gIDEState.config[DISK].device->getError())) IO_IDE_ERR("%s\n", error); |
2050 |
((CDROMDeviceFile *)gIDEState.config[DISK].device)->setReady(true); |
2051 |
gIDEState.config[DISK].bps = 2048; |
2052 |
gIDEState.config[DISK].lba = true; |
2053 |
} else if (ext == "nativecdrom") { |
2054 |
gIDEState.config[DISK].protocol = IDE_ATAPI; |
2055 |
CDROMDevice* cdrom = createNativeCDROMDevice(name.contentChar(), img.contentChar()); |
2056 |
if (!cdrom) |
2057 |
IO_IDE_ERR("Error creating native CDROM device\n"); |
2058 |
gIDEState.config[DISK].device = cdrom; |
2059 |
const char *error; |
2060 |
if ((error = gIDEState.config[DISK].device->getError())) |
2061 |
IO_IDE_ERR("%s\n", error); |
2062 |
gIDEState.config[DISK].bps = 2048; |
2063 |
gIDEState.config[DISK].lba = false; |
2064 |
} else { |
2065 |
IO_IDE_ERR("unknown disk image (file extension is neither 'img' nor 'iso' nor native CD infor).\n"); |
2066 |
} |
2067 |
gIDEState.config[DISK].installed = true; |
2068 |
} else { |
2069 |
gIDEState.config[DISK].installed = false; |
2070 |
} |
2071 |
} |
2072 |
|
2073 |
gIDEState.state[0].status = IDE_STATUS_RDY; |
2074 |
gIDEState.state[1].status = IDE_STATUS_RDY; |
2075 |
gIDEState.one_time_shit = false; |
2076 |
if (gIDEState.config[0].installed || gIDEState.config[1].installed) { |
2077 |
gPCI_Devices->insert(new IDE_Controller()); |
2078 |
} |
2079 |
} |
2080 |
|
2081 |
void ide_done() |
2082 |
{ |
2083 |
delete gIDEState.config[0].device; |
2084 |
delete gIDEState.config[1].device; |
2085 |
} |
2086 |
|
2087 |
void ide_init_config() |
2088 |
{ |
2089 |
gConfig->acceptConfigEntryIntDef(IDE_KEY_IDE0_MASTER_INSTALLED, 0); |
2090 |
gConfig->acceptConfigEntryString(IDE_KEY_IDE0_MASTER_TYPE, false); |
2091 |
gConfig->acceptConfigEntryString(IDE_KEY_IDE0_MASTER_IMG, false); |
2092 |
gConfig->acceptConfigEntryIntDef(IDE_KEY_IDE0_SLAVE_INSTALLED, 0); |
2093 |
gConfig->acceptConfigEntryString(IDE_KEY_IDE0_SLAVE_TYPE, false); |
2094 |
gConfig->acceptConfigEntryString(IDE_KEY_IDE0_SLAVE_IMG, false); |
2095 |
} |
2096 |
|