| 1 |
/* |
| 2 |
* PearPC |
| 3 |
* ide.cc |
| 4 |
* |
| 5 |
* Copyright (C) 2003, 2004 Sebastian Biallas (sb@biallas.net) |
| 6 |
* Some ideas from harddrv.cc from Bochs (http://bochs.sf.net) |
| 7 |
* |
| 8 |
* This program is free software; you can redistribute it and/or modify |
| 9 |
* it under the terms of the GNU General Public License version 2 as |
| 10 |
* published by the Free Software Foundation. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 |
*/ |
| 21 |
|
| 22 |
#include <cerrno> |
| 23 |
#include <cstdlib> |
| 24 |
#include <cstring> |
| 25 |
|
| 26 |
#include "tools/data.h" |
| 27 |
#include "tools/snprintf.h" |
| 28 |
#include "system/arch/sysendian.h" |
| 29 |
#include "cpu/cpu.h" |
| 30 |
#include "cpu/debug.h" |
| 31 |
#include "cpu/mem.h" |
| 32 |
#include "io/pic/pic.h" |
| 33 |
#include "io/pci/pci.h" |
| 34 |
#include "debug/tracers.h" |
| 35 |
#include "ide.h" |
| 36 |
#include "ata.h" |
| 37 |
#include "cd.h" |
| 38 |
#include "system/syscdrom.h" |
| 39 |
|
| 40 |
#define IDE_ADDRESS_ISA_BASE 0x1f0 |
| 41 |
#define IDE_ADDRESS_ISA_BASE2 0x354 |
| 42 |
|
| 43 |
#define IDE_ADDRESS_DATA 0x0 // R/W |
| 44 |
#define IDE_ADDRESS_ERROR 0x1 // R |
| 45 |
#define IDE_ADDRESS_FEATURE 0x1 // W |
| 46 |
#define IDE_ADDRESS_SEC_CNT 0x2 // R/W ATA |
| 47 |
#define IDE_ADDRESS_INTR_REASON 0x2 // R/W ATAPI |
| 48 |
#define IDE_ADDRESS_SEC_NO 0x3 // R/W |
| 49 |
#define IDE_ADDRESS_CYL_LSB 0x4 // R/W |
| 50 |
#define IDE_ADDRESS_CYL_MSB 0x5 // R/W |
| 51 |
#define IDE_ADDRESS_DRV_HEAD 0x6 // R/W |
| 52 |
#define IDE_ADDRESS_STATUS 0x7 // R |
| 53 |
#define IDE_ADDRESS_COMMAND 0x7 // W |
| 54 |
|
| 55 |
#define IDE_ADDRESS_STATUS2 0x12 // R |
| 56 |
#define IDE_ADDRESS_OUTPUT 0x12 // W |
| 57 |
#define IDE_ADDRESS_DEV_ADR 0x13 // R |
| 58 |
|
| 59 |
#define IDE_DRIVE_HEAD_LBA (1<<6) |
| 60 |
#define IDE_DRIVE_HEAD_SLAVE (1<<4) |
| 61 |
#define IDE_DRIVE_HEAD(v) ((v) & 0xf) |
| 62 |
|
| 63 |
#define IDE_OUTPUT_RESET 4 |
| 64 |
#define IDE_OUTPUT_INT 2 |
| 65 |
|
| 66 |
#define IDE_STATUS_BSY (1<<7) |
| 67 |
#define IDE_STATUS_RDY (1<<6) |
| 68 |
#define IDE_STATUS_WFT (1<<5) |
| 69 |
#define IDE_STATUS_SKC (1<<4) |
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#define IDE_STATUS_DRQ (1<<3) |
| 71 |
#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 |
| 84 |
#define IDE_COMMAND_PACKET 0xa0 |
| 85 |
#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 |
| 88 |
#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 |
| 91 |
#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 |
| 96 |
#define IDE_COMMAND_FEATURE_SET_TRANSFER_MODE 0x03 |
| 97 |
#define IDE_COMMAND_FEATURE_ENABLE_APM 0x05 |
| 98 |
#define IDE_COMMAND_FEATURE_SET_PIO_MODE 0x08 |
| 99 |
#define IDE_COMMAND_FEATURE_DISABLE_WRITE_CACHE 0x82 |
| 100 |
#define IDE_COMMAND_FEATURE_ENABLE_LOOKAHEAD 0xaa |
| 101 |
#define IDE_COMMAND_FEATURE_DISABLE_LOOKAHEAD 0x55 |
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#define IDE_COMMAND_FEATURE_ENABLE_PW_DEFAULT 0xcc |
| 103 |
#define IDE_COMMAND_FEATURE_DISABLE_PW_DEFAULT 0x66 |
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|
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// .259 |
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// 6 Byte CDB |
| 107 |
#define IDE_ATAPI_COMMAND_TEST_READY 0x00 // .499 |
| 108 |
#define IDE_ATAPI_COMMAND_REQ_SENSE 0x03 // .450 |
| 109 |
#define IDE_ATAPI_COMMAND_FORMAT_UNIT 0x04 // .271 |
| 110 |
#define IDE_ATAPI_COMMAND_INQUIRY 0x12 // .310 |
| 111 |
#define IDE_ATAPI_COMMAND_MODE_SELECT6 0x15 |
| 112 |
#define IDE_ATAPI_COMMAND_MODE_SENSE6 0x1a |
| 113 |
#define IDE_ATAPI_COMMAND_START_STOP 0x1b // .493 |
| 114 |
#define IDE_ATAPI_COMMAND_TOGGLE_LOCK 0x1e // .335 |
| 115 |
|
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// 10 Byte CDB |
| 117 |
#define IDE_ATAPI_COMMAND_READ_FMT_CAP 0x23 // .400 |
| 118 |
#define IDE_ATAPI_COMMAND_READ_CAPACITY 0x25 // .349 |
| 119 |
#define IDE_ATAPI_COMMAND_READ10 0x28 // .337 |
| 120 |
#define IDE_ATAPI_COMMAND_SEEK10 0x2b // .460 |
| 121 |
#define IDE_ATAPI_COMMAND_ERASE10 0x2c // .269 |
| 122 |
#define IDE_ATAPI_COMMAND_WRITE10 0x2a // .502 |
| 123 |
#define IDE_ATAPI_COMMAND_VER_WRITE10 0x2e // .510 |
| 124 |
#define IDE_ATAPI_COMMAND_VERIFY10 0x2f // .500 |
| 125 |
#define IDE_ATAPI_COMMAND_SYNC_CACHE 0x35 // .497 |
| 126 |
#define IDE_ATAPI_COMMAND_WRITE_BUF 0x3b // .512 |
| 127 |
#define IDE_ATAPI_COMMAND_READ_BUF 0x3c // .342 |
| 128 |
#define IDE_ATAPI_COMMAND_READ_SUBCH 0x42 // .406 |
| 129 |
#define IDE_ATAPI_COMMAND_READ_TOC 0x43 // .413 |
| 130 |
#define IDE_ATAPI_COMMAND_READ_HEADER 0x44 |
| 131 |
#define IDE_ATAPI_COMMAND_PLAY_AUDIO10 0x45 // .329 |
| 132 |
#define IDE_ATAPI_COMMAND_GET_CONFIG 0x46 // .284 |
| 133 |
#define IDE_ATAPI_COMMAND_PLAY_AUDIOMSF 0x47 // .333 |
| 134 |
#define IDE_ATAPI_COMMAND_EVENT_INFO 0x4a // .287 |
| 135 |
#define IDE_ATAPI_COMMAND_TOGGLE_PAUSE 0x4b // .327 |
| 136 |
#define IDE_ATAPI_COMMAND_STOP 0x4e // .495 |
| 137 |
#define IDE_ATAPI_COMMAND_READ_INFO 0x51 // .362 |
| 138 |
#define IDE_ATAPI_COMMAND_READ_TRK_INFO 0x52 // .423 |
| 139 |
#define IDE_ATAPI_COMMAND_RES_TRACK 0x53 // .455 |
| 140 |
#define IDE_ATAPI_COMMAND_SEND_OPC 0x54 // .482 |
| 141 |
#define IDE_ATAPI_COMMAND_MODE_SELECT10 0x55 // .322 |
| 142 |
#define IDE_ATAPI_COMMAND_REPAIR_TRACK 0x58 // .441 |
| 143 |
#define IDE_ATAPI_COMMAND_MODE_SENSE10 0x5a // .324 |
| 144 |
#define IDE_ATAPI_COMMAND_CLOSE_TRACK 0x5b // .264 |
| 145 |
#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 |
| 149 |
#define IDE_ATAPI_COMMAND_SEND_KEY 0xa3 // .478 |
| 150 |
#define IDE_ATAPI_COMMAND_REPORT_KEY 0xa4 // .443 |
| 151 |
#define IDE_ATAPI_COMMAND_PLAY_AUDIO12 0xa5 // .331 |
| 152 |
#define IDE_ATAPI_COMMAND_LOAD_CD 0xa6 // .315 |
| 153 |
#define IDE_ATAPI_COMMAND_SET_RD_AHEAD 0xa7 // .486 |
| 154 |
#define IDE_ATAPI_COMMAND_READ12 0xa8 // .339 |
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#define IDE_ATAPI_COMMAND_WRITE12 0xaa // .507 |
| 156 |
#define IDE_ATAPI_COMMAND_GET_PERF 0xac // .299 |
| 157 |
#define IDE_ATAPI_COMMAND_READ_DVD_S 0xad // .368 |
| 158 |
#define IDE_ATAPI_COMMAND_SET_STREAM 0xb6 // .488 |
| 159 |
#define IDE_ATAPI_COMMAND_READ_CD_MSF 0xb9 // .360 |
| 160 |
#define IDE_ATAPI_COMMAND_SCAN 0xba // .458 |
| 161 |
#define IDE_ATAPI_COMMAND_SET_CD_SPEED 0xbb // .484 |
| 162 |
#define IDE_ATAPI_COMMAND_PLAY_CD 0xbc |
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#define IDE_ATAPI_COMMAND_MECH_STATUS 0xbd // .317 |
| 164 |
#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 |
| 185 |
#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) |
| 191 |
#define IDE_ATAPI_INTR_REASON_SET_TAG(v, a) (((v)&7) | ((a)<<3)) |
| 192 |
|
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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 |
| 197 |
#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]; |
| 218 |
int current_sector_size; |
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int current_command; |
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uint32 dma_lba_start; |
| 221 |
uint32 dma_lba_count; |
| 222 |
|
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int mode; |
| 224 |
int atapi_transfer_request; |
| 225 |
}; |
| 226 |
|
| 227 |
struct IDEState { |
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int drive; |
| 229 |
uint8 drive_head; |
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IDEConfig config[2]; |
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IDEDriveState state[2]; |
| 232 |
|
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bool one_time_shit; |
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}; |
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|
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IDEState gIDEState; |
| 237 |
|
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/******************************************************************************* |
| 239 |
* IDE - Controller PCI |
| 240 |
*/ |
| 241 |
|
| 242 |
#define IDE_PCI_REG_0_CMD 0 |
| 243 |
#define IDE_PCI_REG_0_CTRL 1 |
| 244 |
#define IDE_PCI_REG_1_CMD 2 |
| 245 |
#define IDE_PCI_REG_1_CTRL 3 |
| 246 |
#define IDE_PCI_REG_BMDMA 4 |
| 247 |
|
| 248 |
/* |
| 249 |
* CMD64x specific registers definition. |
| 250 |
*/ |
| 251 |
#define CFR 0x50 |
| 252 |
#define CFR_INTR_CH0 0x02 |
| 253 |
#define CNTRL 0x51 |
| 254 |
#define CNTRL_DIS_RA0 0x40 |
| 255 |
#define CNTRL_DIS_RA1 0x80 |
| 256 |
#define CNTRL_ENA_2ND 0x08 |
| 257 |
|
| 258 |
#define CMDTIM 0x52 |
| 259 |
#define ARTTIM0 0x53 |
| 260 |
#define DRWTIM0 0x54 |
| 261 |
#define ARTTIM1 0x55 |
| 262 |
#define DRWTIM1 0x56 |
| 263 |
#define ARTTIM23 0x57 |
| 264 |
#define ARTTIM23_DIS_RA2 0x04 |
| 265 |
#define ARTTIM23_DIS_RA3 0x08 |
| 266 |
#define ARTTIM23_INTR_CH1 0x10 |
| 267 |
#define ARTTIM2 0x57 |
| 268 |
#define ARTTIM3 0x57 |
| 269 |
#define DRWTIM23 0x58 |
| 270 |
#define DRWTIM2 0x58 |
| 271 |
#define BRST 0x59 |
| 272 |
#define DRWTIM3 0x5b |
| 273 |
|
| 274 |
#define BMIDECR0 0x70 |
| 275 |
#define MRDMODE 0x71 |
| 276 |
#define MRDMODE_INTR_CH0 0x04 |
| 277 |
#define MRDMODE_INTR_CH1 0x08 |
| 278 |
#define MRDMODE_BLK_CH0 0x10 |
| 279 |
#define MRDMODE_BLK_CH1 0x20 |
| 280 |
#define BMIDESR0 0x72 |
| 281 |
#define UDIDETCR0 0x73 |
| 282 |
#define DTPR0 0x74 |
| 283 |
#define BMIDECR1 0x78 |
| 284 |
#define BMIDECSR 0x79 |
| 285 |
#define BMIDESR1 0x7A |
| 286 |
#define UDIDETCR1 0x7B |
| 287 |
#define DTPR1 0x7C |
| 288 |
|
| 289 |
/* |
| 290 |
* Bus master IDE consts |
| 291 |
*/ |
| 292 |
|
| 293 |
// bus master IDE command register (CR) |
| 294 |
#define BM_IDE_CR_WRITE (1<<3) // read otherwise |
| 295 |
#define BM_IDE_CR_START (1<<0) // stop otherwise |
| 296 |
#define BM_IDE_CR_MASK (BM_IDE_CR_WRITE | BM_IDE_CR_START) |
| 297 |
|
| 298 |
// bus master IDE status register (SR) |
| 299 |
#define BM_IDE_SR_SIMPLEX_ONLY (1<<7) // duplex otherwise |
| 300 |
#define BM_IDE_SR_DMA1_CAPABLE (1<<6) |
| 301 |
#define BM_IDE_SR_DMA0_CAPABLE (1<<5) |
| 302 |
#define BM_IDE_SR_INTERRUPT (1<<2) |
| 303 |
#define BM_IDE_SR_ERROR (1<<1) |
| 304 |
#define BM_IDE_SR_ACTIVE (1<<0) |
| 305 |
#define BM_IDE_SR_MASK (BM_IDE_SR_ERROR | BM_IDE_SR_INTERRUPT \ |
| 306 |
| BM_IDE_SR_DMA0_CAPABLE | BM_IDE_SR_DMA1_CAPABLE | BM_IDE_SR_SIMPLEX_ONLY \ |
| 307 |
| BM_IDE_SR_ACTIVE) |
| 308 |
|
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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) |
| 314 |
{ |
| 315 |
mIORegSize[IDE_PCI_REG_0_CMD] = 0x10; |
| 316 |
mIORegSize[IDE_PCI_REG_0_CTRL] = 0x10; |
| 317 |
mIORegSize[IDE_PCI_REG_1_CMD] = 0; // no secondary controller for now |
| 318 |
mIORegSize[IDE_PCI_REG_1_CTRL] = 0; |
| 319 |
mIORegSize[IDE_PCI_REG_BMDMA] = 0x10; |
| 320 |
|
| 321 |
mIORegType[IDE_PCI_REG_0_CMD] = PCI_ADDRESS_SPACE_IO; |
| 322 |
mIORegType[IDE_PCI_REG_0_CTRL] = PCI_ADDRESS_SPACE_IO; |
| 323 |
mIORegType[IDE_PCI_REG_BMDMA] = PCI_ADDRESS_SPACE_IO; |
| 324 |
|
| 325 |
mConfig[0x00] = 0x95; // vendor ID |
| 326 |
mConfig[0x01] = 0x10; |
| 327 |
mConfig[0x02] = 0x46; // unit ID |
| 328 |
mConfig[0x03] = 0x06; |
| 329 |
|
| 330 |
mConfig[0x04] = 0x01; // command |
| 331 |
mConfig[0x05] = 0x00; |
| 332 |
mConfig[0x06] = 0x00; // status |
| 333 |
mConfig[0x07] = 0x00; |
| 334 |
|
| 335 |
mConfig[0x08] = 0x07; // ide-controller revision |
| 336 |
mConfig[0x09] = 0x8f; // bit7: bm-ide |
| 337 |
mConfig[0x0a] = 0x01; // ide-controller |
| 338 |
mConfig[0x0b] = 0x01; // controller for mass-storage |
| 339 |
|
| 340 |
mConfig[0x0e] = 0x00; // header-type |
| 341 |
|
| 342 |
assignIOPort(IDE_PCI_REG_0_CMD, 0x0001c40); |
| 343 |
assignIOPort(IDE_PCI_REG_0_CTRL, 0x0001c30); |
| 344 |
assignIOPort(IDE_PCI_REG_BMDMA, 0x0001c00); |
| 345 |
|
| 346 |
mConfig[0x3c] = 0x1a; // irq |
| 347 |
mConfig[0x3d] = 1; |
| 348 |
mConfig[0x3e] = 0x02; // min grand |
| 349 |
mConfig[0x3f] = 0x04; // max latency |
| 350 |
} |
| 351 |
|
| 352 |
/******************************************************************************* |
| 353 |
* IDE - Controller Core |
| 354 |
*/ |
| 355 |
|
| 356 |
/* |
| 357 |
* makeLogical return a maximum of 0x10000000, so it's safe |
| 358 |
* to use uint32 here. |
| 359 |
*/ |
| 360 |
uint32 makeLogical(int head, int cyl, int sec_no) |
| 361 |
{ |
| 362 |
if (gIDEState.config[gIDEState.drive].lba) { |
| 363 |
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 |
| 367 |
+ sec_no - 1; |
| 368 |
} |
| 369 |
} |
| 370 |
|
| 371 |
void incAddress() |
| 372 |
{ |
| 373 |
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, |
| 378 |
gIDEState.state[gIDEState.drive].sector_no); |
| 379 |
cur++; |
| 380 |
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 |
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