4397 lines
131 KiB
C
4397 lines
131 KiB
C
/*
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* QEMU IDE disk and CD/DVD-ROM Emulator
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*
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* Copyright (c) 2003 Fabrice Bellard
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* Copyright (c) 2006 Openedhand Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h"
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#include "pc.h"
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#include "pci.h"
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#include "scsi-disk.h"
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#include "pcmcia.h"
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#include "block.h"
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#include "block_int.h"
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#include "qemu-timer.h"
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#include "sysemu.h"
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#include "ppc_mac.h"
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#include "mac_dbdma.h"
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#include "sh.h"
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#include "dma.h"
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/* debug IDE devices */
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//#define DEBUG_IDE
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//#define DEBUG_IDE_ATAPI
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//#define DEBUG_AIO
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#define USE_DMA_CDROM
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/* Bits of HD_STATUS */
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#define ERR_STAT 0x01
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#define INDEX_STAT 0x02
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#define ECC_STAT 0x04 /* Corrected error */
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#define DRQ_STAT 0x08
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#define SEEK_STAT 0x10
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#define SRV_STAT 0x10
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#define WRERR_STAT 0x20
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#define READY_STAT 0x40
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#define BUSY_STAT 0x80
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/* Bits for HD_ERROR */
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#define MARK_ERR 0x01 /* Bad address mark */
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#define TRK0_ERR 0x02 /* couldn't find track 0 */
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#define ABRT_ERR 0x04 /* Command aborted */
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#define MCR_ERR 0x08 /* media change request */
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#define ID_ERR 0x10 /* ID field not found */
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#define MC_ERR 0x20 /* media changed */
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#define ECC_ERR 0x40 /* Uncorrectable ECC error */
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#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
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#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
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/* Bits of HD_NSECTOR */
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#define CD 0x01
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#define IO 0x02
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#define REL 0x04
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#define TAG_MASK 0xf8
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#define IDE_CMD_RESET 0x04
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#define IDE_CMD_DISABLE_IRQ 0x02
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/* ATA/ATAPI Commands pre T13 Spec */
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#define WIN_NOP 0x00
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/*
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* 0x01->0x02 Reserved
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*/
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#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
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/*
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* 0x04->0x07 Reserved
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*/
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#define WIN_SRST 0x08 /* ATAPI soft reset command */
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#define WIN_DEVICE_RESET 0x08
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/*
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* 0x09->0x0F Reserved
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*/
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#define WIN_RECAL 0x10
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#define WIN_RESTORE WIN_RECAL
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/*
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* 0x10->0x1F Reserved
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*/
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#define WIN_READ 0x20 /* 28-Bit */
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#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
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#define WIN_READ_LONG 0x22 /* 28-Bit */
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#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
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#define WIN_READ_EXT 0x24 /* 48-Bit */
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#define WIN_READDMA_EXT 0x25 /* 48-Bit */
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#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
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#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
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/*
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* 0x28
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*/
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#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
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/*
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* 0x2A->0x2F Reserved
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*/
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#define WIN_WRITE 0x30 /* 28-Bit */
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#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
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#define WIN_WRITE_LONG 0x32 /* 28-Bit */
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#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
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#define WIN_WRITE_EXT 0x34 /* 48-Bit */
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#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
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#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
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#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
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#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
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#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
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/*
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* 0x3A->0x3B Reserved
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*/
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#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
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/*
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* 0x3D->0x3F Reserved
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*/
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#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
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#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
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#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
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/*
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* 0x43->0x4F Reserved
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*/
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#define WIN_FORMAT 0x50
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/*
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* 0x51->0x5F Reserved
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*/
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#define WIN_INIT 0x60
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/*
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* 0x61->0x5F Reserved
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*/
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#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
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#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
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#define WIN_DIAGNOSE 0x90
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#define WIN_SPECIFY 0x91 /* set drive geometry translation */
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#define WIN_DOWNLOAD_MICROCODE 0x92
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#define WIN_STANDBYNOW2 0x94
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#define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
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#define WIN_STANDBY2 0x96
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#define WIN_SETIDLE2 0x97
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#define WIN_CHECKPOWERMODE2 0x98
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#define WIN_SLEEPNOW2 0x99
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/*
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* 0x9A VENDOR
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*/
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#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
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#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
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#define WIN_QUEUED_SERVICE 0xA2
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#define WIN_SMART 0xB0 /* self-monitoring and reporting */
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#define CFA_ACCESS_METADATA_STORAGE 0xB8
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#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
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#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
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#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
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#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
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#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
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#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
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#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
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#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
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#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
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#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
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#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
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#define WIN_GETMEDIASTATUS 0xDA
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#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
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#define WIN_POSTBOOT 0xDC
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#define WIN_PREBOOT 0xDD
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#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
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#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
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#define WIN_STANDBYNOW1 0xE0
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#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
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#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
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#define WIN_SETIDLE1 0xE3
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#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
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#define WIN_CHECKPOWERMODE1 0xE5
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#define WIN_SLEEPNOW1 0xE6
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#define WIN_FLUSH_CACHE 0xE7
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#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
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#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
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/* SET_FEATURES 0x22 or 0xDD */
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#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
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#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
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#define WIN_MEDIAEJECT 0xED
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#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
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#define WIN_SETFEATURES 0xEF /* set special drive features */
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#define EXABYTE_ENABLE_NEST 0xF0
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#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
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#define WIN_SECURITY_SET_PASS 0xF1
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#define WIN_SECURITY_UNLOCK 0xF2
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#define WIN_SECURITY_ERASE_PREPARE 0xF3
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#define WIN_SECURITY_ERASE_UNIT 0xF4
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#define WIN_SECURITY_FREEZE_LOCK 0xF5
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#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */
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#define WIN_SECURITY_DISABLE 0xF6
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#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
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#define WIN_SET_MAX 0xF9
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#define DISABLE_SEAGATE 0xFB
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/* set to 1 set disable mult support */
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#define MAX_MULT_SECTORS 16
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#define IDE_DMA_BUF_SECTORS 256
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#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
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#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
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#endif
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/* ATAPI defines */
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#define ATAPI_PACKET_SIZE 12
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/* The generic packet command opcodes for CD/DVD Logical Units,
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* From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
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#define GPCMD_BLANK 0xa1
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#define GPCMD_CLOSE_TRACK 0x5b
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#define GPCMD_FLUSH_CACHE 0x35
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#define GPCMD_FORMAT_UNIT 0x04
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#define GPCMD_GET_CONFIGURATION 0x46
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#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
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#define GPCMD_GET_PERFORMANCE 0xac
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#define GPCMD_INQUIRY 0x12
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#define GPCMD_LOAD_UNLOAD 0xa6
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#define GPCMD_MECHANISM_STATUS 0xbd
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#define GPCMD_MODE_SELECT_10 0x55
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#define GPCMD_MODE_SENSE_10 0x5a
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#define GPCMD_PAUSE_RESUME 0x4b
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#define GPCMD_PLAY_AUDIO_10 0x45
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#define GPCMD_PLAY_AUDIO_MSF 0x47
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#define GPCMD_PLAY_AUDIO_TI 0x48
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#define GPCMD_PLAY_CD 0xbc
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#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
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#define GPCMD_READ_10 0x28
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#define GPCMD_READ_12 0xa8
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#define GPCMD_READ_CDVD_CAPACITY 0x25
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#define GPCMD_READ_CD 0xbe
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#define GPCMD_READ_CD_MSF 0xb9
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#define GPCMD_READ_DISC_INFO 0x51
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#define GPCMD_READ_DVD_STRUCTURE 0xad
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#define GPCMD_READ_FORMAT_CAPACITIES 0x23
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#define GPCMD_READ_HEADER 0x44
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#define GPCMD_READ_TRACK_RZONE_INFO 0x52
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#define GPCMD_READ_SUBCHANNEL 0x42
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#define GPCMD_READ_TOC_PMA_ATIP 0x43
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#define GPCMD_REPAIR_RZONE_TRACK 0x58
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#define GPCMD_REPORT_KEY 0xa4
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#define GPCMD_REQUEST_SENSE 0x03
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#define GPCMD_RESERVE_RZONE_TRACK 0x53
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#define GPCMD_SCAN 0xba
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#define GPCMD_SEEK 0x2b
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#define GPCMD_SEND_DVD_STRUCTURE 0xad
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#define GPCMD_SEND_EVENT 0xa2
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#define GPCMD_SEND_KEY 0xa3
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#define GPCMD_SEND_OPC 0x54
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#define GPCMD_SET_READ_AHEAD 0xa7
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#define GPCMD_SET_STREAMING 0xb6
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#define GPCMD_START_STOP_UNIT 0x1b
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#define GPCMD_STOP_PLAY_SCAN 0x4e
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#define GPCMD_TEST_UNIT_READY 0x00
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#define GPCMD_VERIFY_10 0x2f
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#define GPCMD_WRITE_10 0x2a
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#define GPCMD_WRITE_AND_VERIFY_10 0x2e
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/* This is listed as optional in ATAPI 2.6, but is (curiously)
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* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
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* Table 377 as an MMC command for SCSi devices though... Most ATAPI
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* drives support it. */
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#define GPCMD_SET_SPEED 0xbb
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/* This seems to be a SCSI specific CD-ROM opcode
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* to play data at track/index */
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#define GPCMD_PLAYAUDIO_TI 0x48
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/*
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* From MS Media Status Notification Support Specification. For
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* older drives only.
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*/
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#define GPCMD_GET_MEDIA_STATUS 0xda
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#define GPCMD_MODE_SENSE_6 0x1a
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/* Mode page codes for mode sense/set */
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#define GPMODE_R_W_ERROR_PAGE 0x01
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#define GPMODE_WRITE_PARMS_PAGE 0x05
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#define GPMODE_AUDIO_CTL_PAGE 0x0e
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#define GPMODE_POWER_PAGE 0x1a
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#define GPMODE_FAULT_FAIL_PAGE 0x1c
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#define GPMODE_TO_PROTECT_PAGE 0x1d
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#define GPMODE_CAPABILITIES_PAGE 0x2a
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#define GPMODE_ALL_PAGES 0x3f
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/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
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* of MODE_SENSE_POWER_PAGE */
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#define GPMODE_CDROM_PAGE 0x0d
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/*
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* Based on values from <linux/cdrom.h> but extending CD_MINS
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* to the maximum common size allowed by the Orange's Book ATIP
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*
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* 90 and 99 min CDs are also available but using them as the
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* upper limit reduces the effectiveness of the heuristic to
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* detect DVDs burned to less than 25% of their maximum capacity
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*/
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/* Some generally useful CD-ROM information */
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#define CD_MINS 80 /* max. minutes per CD */
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#define CD_SECS 60 /* seconds per minute */
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#define CD_FRAMES 75 /* frames per second */
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#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */
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#define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE)
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#define CD_MAX_SECTORS (CD_MAX_BYTES / 512)
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/*
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* The MMC values are not IDE specific and might need to be moved
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* to a common header if they are also needed for the SCSI emulation
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*/
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/* Profile list from MMC-6 revision 1 table 91 */
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#define MMC_PROFILE_NONE 0x0000
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#define MMC_PROFILE_CD_ROM 0x0008
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#define MMC_PROFILE_CD_R 0x0009
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#define MMC_PROFILE_CD_RW 0x000A
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#define MMC_PROFILE_DVD_ROM 0x0010
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#define MMC_PROFILE_DVD_R_SR 0x0011
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#define MMC_PROFILE_DVD_RAM 0x0012
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#define MMC_PROFILE_DVD_RW_RO 0x0013
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#define MMC_PROFILE_DVD_RW_SR 0x0014
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#define MMC_PROFILE_DVD_R_DL_SR 0x0015
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#define MMC_PROFILE_DVD_R_DL_JR 0x0016
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#define MMC_PROFILE_DVD_RW_DL 0x0017
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#define MMC_PROFILE_DVD_DDR 0x0018
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#define MMC_PROFILE_DVD_PLUS_RW 0x001A
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#define MMC_PROFILE_DVD_PLUS_R 0x001B
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#define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A
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#define MMC_PROFILE_DVD_PLUS_R_DL 0x002B
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#define MMC_PROFILE_BD_ROM 0x0040
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#define MMC_PROFILE_BD_R_SRM 0x0041
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#define MMC_PROFILE_BD_R_RRM 0x0042
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#define MMC_PROFILE_BD_RE 0x0043
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#define MMC_PROFILE_HDDVD_ROM 0x0050
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#define MMC_PROFILE_HDDVD_R 0x0051
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#define MMC_PROFILE_HDDVD_RAM 0x0052
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#define MMC_PROFILE_HDDVD_RW 0x0053
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#define MMC_PROFILE_HDDVD_R_DL 0x0058
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#define MMC_PROFILE_HDDVD_RW_DL 0x005A
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#define MMC_PROFILE_INVALID 0xFFFF
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#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
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#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
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#define ATAPI_INT_REASON_REL 0x04
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#define ATAPI_INT_REASON_TAG 0xf8
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/* same constants as bochs */
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#define ASC_ILLEGAL_OPCODE 0x20
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#define ASC_LOGICAL_BLOCK_OOR 0x21
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#define ASC_INV_FIELD_IN_CMD_PACKET 0x24
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#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
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#define ASC_INCOMPATIBLE_FORMAT 0x30
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#define ASC_MEDIUM_NOT_PRESENT 0x3a
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#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
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#define CFA_NO_ERROR 0x00
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#define CFA_MISC_ERROR 0x09
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#define CFA_INVALID_COMMAND 0x20
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#define CFA_INVALID_ADDRESS 0x21
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#define CFA_ADDRESS_OVERFLOW 0x2f
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#define SENSE_NONE 0
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#define SENSE_NOT_READY 2
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#define SENSE_ILLEGAL_REQUEST 5
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#define SENSE_UNIT_ATTENTION 6
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struct IDEState;
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typedef void EndTransferFunc(struct IDEState *);
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/* NOTE: IDEState represents in fact one drive */
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typedef struct IDEState {
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/* ide config */
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int is_cdrom;
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int is_cf;
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int cylinders, heads, sectors;
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int64_t nb_sectors;
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int mult_sectors;
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int identify_set;
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uint16_t identify_data[256];
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qemu_irq irq;
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PCIDevice *pci_dev;
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struct BMDMAState *bmdma;
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int drive_serial;
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char drive_serial_str[21];
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/* ide regs */
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uint8_t feature;
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uint8_t error;
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uint32_t nsector;
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uint8_t sector;
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uint8_t lcyl;
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uint8_t hcyl;
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/* other part of tf for lba48 support */
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uint8_t hob_feature;
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uint8_t hob_nsector;
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uint8_t hob_sector;
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uint8_t hob_lcyl;
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uint8_t hob_hcyl;
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uint8_t select;
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uint8_t status;
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/* 0x3f6 command, only meaningful for drive 0 */
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uint8_t cmd;
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/* set for lba48 access */
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uint8_t lba48;
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/* depends on bit 4 in select, only meaningful for drive 0 */
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struct IDEState *cur_drive;
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BlockDriverState *bs;
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/* ATAPI specific */
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uint8_t sense_key;
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uint8_t asc;
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int packet_transfer_size;
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int elementary_transfer_size;
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int io_buffer_index;
|
|
int lba;
|
|
int cd_sector_size;
|
|
int atapi_dma; /* true if dma is requested for the packet cmd */
|
|
/* ATA DMA state */
|
|
int io_buffer_size;
|
|
QEMUSGList sg;
|
|
/* PIO transfer handling */
|
|
int req_nb_sectors; /* number of sectors per interrupt */
|
|
EndTransferFunc *end_transfer_func;
|
|
uint8_t *data_ptr;
|
|
uint8_t *data_end;
|
|
uint8_t *io_buffer;
|
|
QEMUTimer *sector_write_timer; /* only used for win2k install hack */
|
|
uint32_t irq_count; /* counts IRQs when using win2k install hack */
|
|
/* CF-ATA extended error */
|
|
uint8_t ext_error;
|
|
/* CF-ATA metadata storage */
|
|
uint32_t mdata_size;
|
|
uint8_t *mdata_storage;
|
|
int media_changed;
|
|
/* for pmac */
|
|
int is_read;
|
|
} IDEState;
|
|
|
|
/* XXX: DVDs that could fit on a CD will be reported as a CD */
|
|
static inline int media_present(IDEState *s)
|
|
{
|
|
return (s->nb_sectors > 0);
|
|
}
|
|
|
|
static inline int media_is_dvd(IDEState *s)
|
|
{
|
|
return (media_present(s) && s->nb_sectors > CD_MAX_SECTORS);
|
|
}
|
|
|
|
static inline int media_is_cd(IDEState *s)
|
|
{
|
|
return (media_present(s) && s->nb_sectors <= CD_MAX_SECTORS);
|
|
}
|
|
|
|
#define BM_STATUS_DMAING 0x01
|
|
#define BM_STATUS_ERROR 0x02
|
|
#define BM_STATUS_INT 0x04
|
|
#define BM_STATUS_DMA_RETRY 0x08
|
|
#define BM_STATUS_PIO_RETRY 0x10
|
|
|
|
#define BM_CMD_START 0x01
|
|
#define BM_CMD_READ 0x08
|
|
|
|
#define IDE_TYPE_PIIX3 0
|
|
#define IDE_TYPE_CMD646 1
|
|
#define IDE_TYPE_PIIX4 2
|
|
|
|
/* CMD646 specific */
|
|
#define MRDMODE 0x71
|
|
#define MRDMODE_INTR_CH0 0x04
|
|
#define MRDMODE_INTR_CH1 0x08
|
|
#define MRDMODE_BLK_CH0 0x10
|
|
#define MRDMODE_BLK_CH1 0x20
|
|
#define UDIDETCR0 0x73
|
|
#define UDIDETCR1 0x7B
|
|
|
|
typedef struct BMDMAState {
|
|
uint8_t cmd;
|
|
uint8_t status;
|
|
uint32_t addr;
|
|
|
|
struct PCIIDEState *pci_dev;
|
|
/* current transfer state */
|
|
uint32_t cur_addr;
|
|
uint32_t cur_prd_last;
|
|
uint32_t cur_prd_addr;
|
|
uint32_t cur_prd_len;
|
|
IDEState *ide_if;
|
|
BlockDriverCompletionFunc *dma_cb;
|
|
BlockDriverAIOCB *aiocb;
|
|
struct iovec iov;
|
|
QEMUIOVector qiov;
|
|
int64_t sector_num;
|
|
uint32_t nsector;
|
|
} BMDMAState;
|
|
|
|
typedef struct PCIIDEState {
|
|
PCIDevice dev;
|
|
IDEState ide_if[4];
|
|
BMDMAState bmdma[2];
|
|
int type; /* see IDE_TYPE_xxx */
|
|
} PCIIDEState;
|
|
|
|
static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb);
|
|
static void ide_dma_restart(IDEState *s);
|
|
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret);
|
|
|
|
static void padstr(char *str, const char *src, int len)
|
|
{
|
|
int i, v;
|
|
for(i = 0; i < len; i++) {
|
|
if (*src)
|
|
v = *src++;
|
|
else
|
|
v = ' ';
|
|
str[i^1] = v;
|
|
}
|
|
}
|
|
|
|
static void padstr8(uint8_t *buf, int buf_size, const char *src)
|
|
{
|
|
int i;
|
|
for(i = 0; i < buf_size; i++) {
|
|
if (*src)
|
|
buf[i] = *src++;
|
|
else
|
|
buf[i] = ' ';
|
|
}
|
|
}
|
|
|
|
static void put_le16(uint16_t *p, unsigned int v)
|
|
{
|
|
*p = cpu_to_le16(v);
|
|
}
|
|
|
|
static void ide_identify(IDEState *s)
|
|
{
|
|
uint16_t *p;
|
|
unsigned int oldsize;
|
|
|
|
if (s->identify_set) {
|
|
memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
|
|
return;
|
|
}
|
|
|
|
memset(s->io_buffer, 0, 512);
|
|
p = (uint16_t *)s->io_buffer;
|
|
put_le16(p + 0, 0x0040);
|
|
put_le16(p + 1, s->cylinders);
|
|
put_le16(p + 3, s->heads);
|
|
put_le16(p + 4, 512 * s->sectors); /* XXX: retired, remove ? */
|
|
put_le16(p + 5, 512); /* XXX: retired, remove ? */
|
|
put_le16(p + 6, s->sectors);
|
|
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */
|
|
put_le16(p + 20, 3); /* XXX: retired, remove ? */
|
|
put_le16(p + 21, 512); /* cache size in sectors */
|
|
put_le16(p + 22, 4); /* ecc bytes */
|
|
padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */
|
|
padstr((char *)(p + 27), "QEMU HARDDISK", 40); /* model */
|
|
#if MAX_MULT_SECTORS > 1
|
|
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
|
|
#endif
|
|
put_le16(p + 48, 1); /* dword I/O */
|
|
put_le16(p + 49, (1 << 11) | (1 << 9) | (1 << 8)); /* DMA and LBA supported */
|
|
put_le16(p + 51, 0x200); /* PIO transfer cycle */
|
|
put_le16(p + 52, 0x200); /* DMA transfer cycle */
|
|
put_le16(p + 53, 1 | (1 << 1) | (1 << 2)); /* words 54-58,64-70,88 are valid */
|
|
put_le16(p + 54, s->cylinders);
|
|
put_le16(p + 55, s->heads);
|
|
put_le16(p + 56, s->sectors);
|
|
oldsize = s->cylinders * s->heads * s->sectors;
|
|
put_le16(p + 57, oldsize);
|
|
put_le16(p + 58, oldsize >> 16);
|
|
if (s->mult_sectors)
|
|
put_le16(p + 59, 0x100 | s->mult_sectors);
|
|
put_le16(p + 60, s->nb_sectors);
|
|
put_le16(p + 61, s->nb_sectors >> 16);
|
|
put_le16(p + 62, 0x07); /* single word dma0-2 supported */
|
|
put_le16(p + 63, 0x07); /* mdma0-2 supported */
|
|
put_le16(p + 65, 120);
|
|
put_le16(p + 66, 120);
|
|
put_le16(p + 67, 120);
|
|
put_le16(p + 68, 120);
|
|
put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
|
|
put_le16(p + 81, 0x16); /* conforms to ata5 */
|
|
put_le16(p + 82, (1 << 14));
|
|
/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
|
|
put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
|
|
put_le16(p + 84, (1 << 14));
|
|
put_le16(p + 85, (1 << 14));
|
|
/* 13=flush_cache_ext,12=flush_cache,10=lba48 */
|
|
put_le16(p + 86, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
|
|
put_le16(p + 87, (1 << 14));
|
|
put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
|
|
put_le16(p + 93, 1 | (1 << 14) | 0x2000);
|
|
put_le16(p + 100, s->nb_sectors);
|
|
put_le16(p + 101, s->nb_sectors >> 16);
|
|
put_le16(p + 102, s->nb_sectors >> 32);
|
|
put_le16(p + 103, s->nb_sectors >> 48);
|
|
|
|
memcpy(s->identify_data, p, sizeof(s->identify_data));
|
|
s->identify_set = 1;
|
|
}
|
|
|
|
static void ide_atapi_identify(IDEState *s)
|
|
{
|
|
uint16_t *p;
|
|
|
|
if (s->identify_set) {
|
|
memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
|
|
return;
|
|
}
|
|
|
|
memset(s->io_buffer, 0, 512);
|
|
p = (uint16_t *)s->io_buffer;
|
|
/* Removable CDROM, 50us response, 12 byte packets */
|
|
put_le16(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0));
|
|
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */
|
|
put_le16(p + 20, 3); /* buffer type */
|
|
put_le16(p + 21, 512); /* cache size in sectors */
|
|
put_le16(p + 22, 4); /* ecc bytes */
|
|
padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */
|
|
padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */
|
|
put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */
|
|
#ifdef USE_DMA_CDROM
|
|
put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */
|
|
put_le16(p + 53, 7); /* words 64-70, 54-58, 88 valid */
|
|
put_le16(p + 62, 7); /* single word dma0-2 supported */
|
|
put_le16(p + 63, 7); /* mdma0-2 supported */
|
|
put_le16(p + 64, 0x3f); /* PIO modes supported */
|
|
#else
|
|
put_le16(p + 49, 1 << 9); /* LBA supported, no DMA */
|
|
put_le16(p + 53, 3); /* words 64-70, 54-58 valid */
|
|
put_le16(p + 63, 0x103); /* DMA modes XXX: may be incorrect */
|
|
put_le16(p + 64, 1); /* PIO modes */
|
|
#endif
|
|
put_le16(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */
|
|
put_le16(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */
|
|
put_le16(p + 67, 0x12c); /* minimum PIO cycle time without flow control */
|
|
put_le16(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */
|
|
|
|
put_le16(p + 71, 30); /* in ns */
|
|
put_le16(p + 72, 30); /* in ns */
|
|
|
|
put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */
|
|
#ifdef USE_DMA_CDROM
|
|
put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */
|
|
#endif
|
|
memcpy(s->identify_data, p, sizeof(s->identify_data));
|
|
s->identify_set = 1;
|
|
}
|
|
|
|
static void ide_cfata_identify(IDEState *s)
|
|
{
|
|
uint16_t *p;
|
|
uint32_t cur_sec;
|
|
|
|
p = (uint16_t *) s->identify_data;
|
|
if (s->identify_set)
|
|
goto fill_buffer;
|
|
|
|
memset(p, 0, sizeof(s->identify_data));
|
|
|
|
cur_sec = s->cylinders * s->heads * s->sectors;
|
|
|
|
put_le16(p + 0, 0x848a); /* CF Storage Card signature */
|
|
put_le16(p + 1, s->cylinders); /* Default cylinders */
|
|
put_le16(p + 3, s->heads); /* Default heads */
|
|
put_le16(p + 6, s->sectors); /* Default sectors per track */
|
|
put_le16(p + 7, s->nb_sectors >> 16); /* Sectors per card */
|
|
put_le16(p + 8, s->nb_sectors); /* Sectors per card */
|
|
padstr((char *)(p + 10), s->drive_serial_str, 20); /* serial number */
|
|
put_le16(p + 22, 0x0004); /* ECC bytes */
|
|
padstr((char *) (p + 23), QEMU_VERSION, 8); /* Firmware Revision */
|
|
padstr((char *) (p + 27), "QEMU MICRODRIVE", 40);/* Model number */
|
|
#if MAX_MULT_SECTORS > 1
|
|
put_le16(p + 47, 0x8000 | MAX_MULT_SECTORS);
|
|
#else
|
|
put_le16(p + 47, 0x0000);
|
|
#endif
|
|
put_le16(p + 49, 0x0f00); /* Capabilities */
|
|
put_le16(p + 51, 0x0002); /* PIO cycle timing mode */
|
|
put_le16(p + 52, 0x0001); /* DMA cycle timing mode */
|
|
put_le16(p + 53, 0x0003); /* Translation params valid */
|
|
put_le16(p + 54, s->cylinders); /* Current cylinders */
|
|
put_le16(p + 55, s->heads); /* Current heads */
|
|
put_le16(p + 56, s->sectors); /* Current sectors */
|
|
put_le16(p + 57, cur_sec); /* Current capacity */
|
|
put_le16(p + 58, cur_sec >> 16); /* Current capacity */
|
|
if (s->mult_sectors) /* Multiple sector setting */
|
|
put_le16(p + 59, 0x100 | s->mult_sectors);
|
|
put_le16(p + 60, s->nb_sectors); /* Total LBA sectors */
|
|
put_le16(p + 61, s->nb_sectors >> 16); /* Total LBA sectors */
|
|
put_le16(p + 63, 0x0203); /* Multiword DMA capability */
|
|
put_le16(p + 64, 0x0001); /* Flow Control PIO support */
|
|
put_le16(p + 65, 0x0096); /* Min. Multiword DMA cycle */
|
|
put_le16(p + 66, 0x0096); /* Rec. Multiword DMA cycle */
|
|
put_le16(p + 68, 0x00b4); /* Min. PIO cycle time */
|
|
put_le16(p + 82, 0x400c); /* Command Set supported */
|
|
put_le16(p + 83, 0x7068); /* Command Set supported */
|
|
put_le16(p + 84, 0x4000); /* Features supported */
|
|
put_le16(p + 85, 0x000c); /* Command Set enabled */
|
|
put_le16(p + 86, 0x7044); /* Command Set enabled */
|
|
put_le16(p + 87, 0x4000); /* Features enabled */
|
|
put_le16(p + 91, 0x4060); /* Current APM level */
|
|
put_le16(p + 129, 0x0002); /* Current features option */
|
|
put_le16(p + 130, 0x0005); /* Reassigned sectors */
|
|
put_le16(p + 131, 0x0001); /* Initial power mode */
|
|
put_le16(p + 132, 0x0000); /* User signature */
|
|
put_le16(p + 160, 0x8100); /* Power requirement */
|
|
put_le16(p + 161, 0x8001); /* CF command set */
|
|
|
|
s->identify_set = 1;
|
|
|
|
fill_buffer:
|
|
memcpy(s->io_buffer, p, sizeof(s->identify_data));
|
|
}
|
|
|
|
static void ide_set_signature(IDEState *s)
|
|
{
|
|
s->select &= 0xf0; /* clear head */
|
|
/* put signature */
|
|
s->nsector = 1;
|
|
s->sector = 1;
|
|
if (s->is_cdrom) {
|
|
s->lcyl = 0x14;
|
|
s->hcyl = 0xeb;
|
|
} else if (s->bs) {
|
|
s->lcyl = 0;
|
|
s->hcyl = 0;
|
|
} else {
|
|
s->lcyl = 0xff;
|
|
s->hcyl = 0xff;
|
|
}
|
|
}
|
|
|
|
static inline void ide_abort_command(IDEState *s)
|
|
{
|
|
s->status = READY_STAT | ERR_STAT;
|
|
s->error = ABRT_ERR;
|
|
}
|
|
|
|
static inline void ide_dma_submit_check(IDEState *s,
|
|
BlockDriverCompletionFunc *dma_cb, BMDMAState *bm)
|
|
{
|
|
if (bm->aiocb)
|
|
return;
|
|
dma_cb(bm, -1);
|
|
}
|
|
|
|
static inline void ide_set_irq(IDEState *s)
|
|
{
|
|
BMDMAState *bm = s->bmdma;
|
|
if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
|
|
if (bm) {
|
|
bm->status |= BM_STATUS_INT;
|
|
}
|
|
qemu_irq_raise(s->irq);
|
|
}
|
|
}
|
|
|
|
/* prepare data transfer and tell what to do after */
|
|
static void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
|
|
EndTransferFunc *end_transfer_func)
|
|
{
|
|
s->end_transfer_func = end_transfer_func;
|
|
s->data_ptr = buf;
|
|
s->data_end = buf + size;
|
|
if (!(s->status & ERR_STAT))
|
|
s->status |= DRQ_STAT;
|
|
}
|
|
|
|
static void ide_transfer_stop(IDEState *s)
|
|
{
|
|
s->end_transfer_func = ide_transfer_stop;
|
|
s->data_ptr = s->io_buffer;
|
|
s->data_end = s->io_buffer;
|
|
s->status &= ~DRQ_STAT;
|
|
}
|
|
|
|
static int64_t ide_get_sector(IDEState *s)
|
|
{
|
|
int64_t sector_num;
|
|
if (s->select & 0x40) {
|
|
/* lba */
|
|
if (!s->lba48) {
|
|
sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) |
|
|
(s->lcyl << 8) | s->sector;
|
|
} else {
|
|
sector_num = ((int64_t)s->hob_hcyl << 40) |
|
|
((int64_t) s->hob_lcyl << 32) |
|
|
((int64_t) s->hob_sector << 24) |
|
|
((int64_t) s->hcyl << 16) |
|
|
((int64_t) s->lcyl << 8) | s->sector;
|
|
}
|
|
} else {
|
|
sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
|
|
(s->select & 0x0f) * s->sectors + (s->sector - 1);
|
|
}
|
|
return sector_num;
|
|
}
|
|
|
|
static void ide_set_sector(IDEState *s, int64_t sector_num)
|
|
{
|
|
unsigned int cyl, r;
|
|
if (s->select & 0x40) {
|
|
if (!s->lba48) {
|
|
s->select = (s->select & 0xf0) | (sector_num >> 24);
|
|
s->hcyl = (sector_num >> 16);
|
|
s->lcyl = (sector_num >> 8);
|
|
s->sector = (sector_num);
|
|
} else {
|
|
s->sector = sector_num;
|
|
s->lcyl = sector_num >> 8;
|
|
s->hcyl = sector_num >> 16;
|
|
s->hob_sector = sector_num >> 24;
|
|
s->hob_lcyl = sector_num >> 32;
|
|
s->hob_hcyl = sector_num >> 40;
|
|
}
|
|
} else {
|
|
cyl = sector_num / (s->heads * s->sectors);
|
|
r = sector_num % (s->heads * s->sectors);
|
|
s->hcyl = cyl >> 8;
|
|
s->lcyl = cyl;
|
|
s->select = (s->select & 0xf0) | ((r / s->sectors) & 0x0f);
|
|
s->sector = (r % s->sectors) + 1;
|
|
}
|
|
}
|
|
|
|
static void ide_rw_error(IDEState *s) {
|
|
ide_abort_command(s);
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
static void ide_sector_read(IDEState *s)
|
|
{
|
|
int64_t sector_num;
|
|
int ret, n;
|
|
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
s->error = 0; /* not needed by IDE spec, but needed by Windows */
|
|
sector_num = ide_get_sector(s);
|
|
n = s->nsector;
|
|
if (n == 0) {
|
|
/* no more sector to read from disk */
|
|
ide_transfer_stop(s);
|
|
} else {
|
|
#if defined(DEBUG_IDE)
|
|
printf("read sector=%" PRId64 "\n", sector_num);
|
|
#endif
|
|
if (n > s->req_nb_sectors)
|
|
n = s->req_nb_sectors;
|
|
ret = bdrv_read(s->bs, sector_num, s->io_buffer, n);
|
|
if (ret != 0) {
|
|
ide_rw_error(s);
|
|
return;
|
|
}
|
|
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
|
|
ide_set_irq(s);
|
|
ide_set_sector(s, sector_num + n);
|
|
s->nsector -= n;
|
|
}
|
|
}
|
|
|
|
|
|
/* return 0 if buffer completed */
|
|
static int dma_buf_prepare(BMDMAState *bm, int is_write)
|
|
{
|
|
IDEState *s = bm->ide_if;
|
|
struct {
|
|
uint32_t addr;
|
|
uint32_t size;
|
|
} prd;
|
|
int l, len;
|
|
|
|
qemu_sglist_init(&s->sg, s->nsector / (TARGET_PAGE_SIZE/512) + 1);
|
|
s->io_buffer_size = 0;
|
|
for(;;) {
|
|
if (bm->cur_prd_len == 0) {
|
|
/* end of table (with a fail safe of one page) */
|
|
if (bm->cur_prd_last ||
|
|
(bm->cur_addr - bm->addr) >= 4096)
|
|
return s->io_buffer_size != 0;
|
|
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
|
|
bm->cur_addr += 8;
|
|
prd.addr = le32_to_cpu(prd.addr);
|
|
prd.size = le32_to_cpu(prd.size);
|
|
len = prd.size & 0xfffe;
|
|
if (len == 0)
|
|
len = 0x10000;
|
|
bm->cur_prd_len = len;
|
|
bm->cur_prd_addr = prd.addr;
|
|
bm->cur_prd_last = (prd.size & 0x80000000);
|
|
}
|
|
l = bm->cur_prd_len;
|
|
if (l > 0) {
|
|
qemu_sglist_add(&s->sg, bm->cur_prd_addr, l);
|
|
bm->cur_prd_addr += l;
|
|
bm->cur_prd_len -= l;
|
|
s->io_buffer_size += l;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void dma_buf_commit(IDEState *s, int is_write)
|
|
{
|
|
qemu_sglist_destroy(&s->sg);
|
|
}
|
|
|
|
static void ide_dma_error(IDEState *s)
|
|
{
|
|
ide_transfer_stop(s);
|
|
s->error = ABRT_ERR;
|
|
s->status = READY_STAT | ERR_STAT;
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
static int ide_handle_write_error(IDEState *s, int error, int op)
|
|
{
|
|
BlockInterfaceErrorAction action = drive_get_onerror(s->bs);
|
|
|
|
if (action == BLOCK_ERR_IGNORE)
|
|
return 0;
|
|
|
|
if ((error == ENOSPC && action == BLOCK_ERR_STOP_ENOSPC)
|
|
|| action == BLOCK_ERR_STOP_ANY) {
|
|
s->bmdma->ide_if = s;
|
|
s->bmdma->status |= op;
|
|
vm_stop(0);
|
|
} else {
|
|
if (op == BM_STATUS_DMA_RETRY) {
|
|
dma_buf_commit(s, 0);
|
|
ide_dma_error(s);
|
|
} else {
|
|
ide_rw_error(s);
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* return 0 if buffer completed */
|
|
static int dma_buf_rw(BMDMAState *bm, int is_write)
|
|
{
|
|
IDEState *s = bm->ide_if;
|
|
struct {
|
|
uint32_t addr;
|
|
uint32_t size;
|
|
} prd;
|
|
int l, len;
|
|
|
|
for(;;) {
|
|
l = s->io_buffer_size - s->io_buffer_index;
|
|
if (l <= 0)
|
|
break;
|
|
if (bm->cur_prd_len == 0) {
|
|
/* end of table (with a fail safe of one page) */
|
|
if (bm->cur_prd_last ||
|
|
(bm->cur_addr - bm->addr) >= 4096)
|
|
return 0;
|
|
cpu_physical_memory_read(bm->cur_addr, (uint8_t *)&prd, 8);
|
|
bm->cur_addr += 8;
|
|
prd.addr = le32_to_cpu(prd.addr);
|
|
prd.size = le32_to_cpu(prd.size);
|
|
len = prd.size & 0xfffe;
|
|
if (len == 0)
|
|
len = 0x10000;
|
|
bm->cur_prd_len = len;
|
|
bm->cur_prd_addr = prd.addr;
|
|
bm->cur_prd_last = (prd.size & 0x80000000);
|
|
}
|
|
if (l > bm->cur_prd_len)
|
|
l = bm->cur_prd_len;
|
|
if (l > 0) {
|
|
if (is_write) {
|
|
cpu_physical_memory_write(bm->cur_prd_addr,
|
|
s->io_buffer + s->io_buffer_index, l);
|
|
} else {
|
|
cpu_physical_memory_read(bm->cur_prd_addr,
|
|
s->io_buffer + s->io_buffer_index, l);
|
|
}
|
|
bm->cur_prd_addr += l;
|
|
bm->cur_prd_len -= l;
|
|
s->io_buffer_index += l;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void ide_read_dma_cb(void *opaque, int ret)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
IDEState *s = bm->ide_if;
|
|
int n;
|
|
int64_t sector_num;
|
|
|
|
if (ret < 0) {
|
|
dma_buf_commit(s, 1);
|
|
ide_dma_error(s);
|
|
return;
|
|
}
|
|
|
|
n = s->io_buffer_size >> 9;
|
|
sector_num = ide_get_sector(s);
|
|
if (n > 0) {
|
|
dma_buf_commit(s, 1);
|
|
sector_num += n;
|
|
ide_set_sector(s, sector_num);
|
|
s->nsector -= n;
|
|
}
|
|
|
|
/* end of transfer ? */
|
|
if (s->nsector == 0) {
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
eot:
|
|
bm->status &= ~BM_STATUS_DMAING;
|
|
bm->status |= BM_STATUS_INT;
|
|
bm->dma_cb = NULL;
|
|
bm->ide_if = NULL;
|
|
bm->aiocb = NULL;
|
|
return;
|
|
}
|
|
|
|
/* launch next transfer */
|
|
n = s->nsector;
|
|
s->io_buffer_index = 0;
|
|
s->io_buffer_size = n * 512;
|
|
if (dma_buf_prepare(bm, 1) == 0)
|
|
goto eot;
|
|
#ifdef DEBUG_AIO
|
|
printf("aio_read: sector_num=%" PRId64 " n=%d\n", sector_num, n);
|
|
#endif
|
|
bm->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num, ide_read_dma_cb, bm);
|
|
ide_dma_submit_check(s, ide_read_dma_cb, bm);
|
|
}
|
|
|
|
static void ide_sector_read_dma(IDEState *s)
|
|
{
|
|
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT;
|
|
s->io_buffer_index = 0;
|
|
s->io_buffer_size = 0;
|
|
s->is_read = 1;
|
|
ide_dma_start(s, ide_read_dma_cb);
|
|
}
|
|
|
|
static void ide_sector_write_timer_cb(void *opaque)
|
|
{
|
|
IDEState *s = opaque;
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
static void ide_sector_write(IDEState *s)
|
|
{
|
|
int64_t sector_num;
|
|
int ret, n, n1;
|
|
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
sector_num = ide_get_sector(s);
|
|
#if defined(DEBUG_IDE)
|
|
printf("write sector=%" PRId64 "\n", sector_num);
|
|
#endif
|
|
n = s->nsector;
|
|
if (n > s->req_nb_sectors)
|
|
n = s->req_nb_sectors;
|
|
ret = bdrv_write(s->bs, sector_num, s->io_buffer, n);
|
|
|
|
if (ret != 0) {
|
|
if (ide_handle_write_error(s, -ret, BM_STATUS_PIO_RETRY))
|
|
return;
|
|
}
|
|
|
|
s->nsector -= n;
|
|
if (s->nsector == 0) {
|
|
/* no more sectors to write */
|
|
ide_transfer_stop(s);
|
|
} else {
|
|
n1 = s->nsector;
|
|
if (n1 > s->req_nb_sectors)
|
|
n1 = s->req_nb_sectors;
|
|
ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
|
|
}
|
|
ide_set_sector(s, sector_num + n);
|
|
|
|
#ifdef TARGET_I386
|
|
if (win2k_install_hack && ((++s->irq_count % 16) == 0)) {
|
|
/* It seems there is a bug in the Windows 2000 installer HDD
|
|
IDE driver which fills the disk with empty logs when the
|
|
IDE write IRQ comes too early. This hack tries to correct
|
|
that at the expense of slower write performances. Use this
|
|
option _only_ to install Windows 2000. You must disable it
|
|
for normal use. */
|
|
qemu_mod_timer(s->sector_write_timer,
|
|
qemu_get_clock(vm_clock) + (ticks_per_sec / 1000));
|
|
} else
|
|
#endif
|
|
{
|
|
ide_set_irq(s);
|
|
}
|
|
}
|
|
|
|
static void ide_dma_restart_cb(void *opaque, int running, int reason)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
if (!running)
|
|
return;
|
|
if (bm->status & BM_STATUS_DMA_RETRY) {
|
|
bm->status &= ~BM_STATUS_DMA_RETRY;
|
|
ide_dma_restart(bm->ide_if);
|
|
} else if (bm->status & BM_STATUS_PIO_RETRY) {
|
|
bm->status &= ~BM_STATUS_PIO_RETRY;
|
|
ide_sector_write(bm->ide_if);
|
|
}
|
|
}
|
|
|
|
static void ide_write_dma_cb(void *opaque, int ret)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
IDEState *s = bm->ide_if;
|
|
int n;
|
|
int64_t sector_num;
|
|
|
|
if (ret < 0) {
|
|
if (ide_handle_write_error(s, -ret, BM_STATUS_DMA_RETRY))
|
|
return;
|
|
}
|
|
|
|
n = s->io_buffer_size >> 9;
|
|
sector_num = ide_get_sector(s);
|
|
if (n > 0) {
|
|
dma_buf_commit(s, 0);
|
|
sector_num += n;
|
|
ide_set_sector(s, sector_num);
|
|
s->nsector -= n;
|
|
}
|
|
|
|
/* end of transfer ? */
|
|
if (s->nsector == 0) {
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
eot:
|
|
bm->status &= ~BM_STATUS_DMAING;
|
|
bm->status |= BM_STATUS_INT;
|
|
bm->dma_cb = NULL;
|
|
bm->ide_if = NULL;
|
|
bm->aiocb = NULL;
|
|
return;
|
|
}
|
|
|
|
n = s->nsector;
|
|
s->io_buffer_size = n * 512;
|
|
/* launch next transfer */
|
|
if (dma_buf_prepare(bm, 0) == 0)
|
|
goto eot;
|
|
#ifdef DEBUG_AIO
|
|
printf("aio_write: sector_num=%" PRId64 " n=%d\n", sector_num, n);
|
|
#endif
|
|
bm->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num, ide_write_dma_cb, bm);
|
|
ide_dma_submit_check(s, ide_write_dma_cb, bm);
|
|
}
|
|
|
|
static void ide_sector_write_dma(IDEState *s)
|
|
{
|
|
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT;
|
|
s->io_buffer_index = 0;
|
|
s->io_buffer_size = 0;
|
|
s->is_read = 0;
|
|
ide_dma_start(s, ide_write_dma_cb);
|
|
}
|
|
|
|
static void ide_atapi_cmd_ok(IDEState *s)
|
|
{
|
|
s->error = 0;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc)
|
|
{
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc);
|
|
#endif
|
|
s->error = sense_key << 4;
|
|
s->status = READY_STAT | ERR_STAT;
|
|
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
|
s->sense_key = sense_key;
|
|
s->asc = asc;
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
static void ide_atapi_cmd_check_status(IDEState *s)
|
|
{
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
printf("atapi_cmd_check_status\n");
|
|
#endif
|
|
s->error = MC_ERR | (SENSE_UNIT_ATTENTION << 4);
|
|
s->status = ERR_STAT;
|
|
s->nsector = 0;
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
static inline void cpu_to_ube16(uint8_t *buf, int val)
|
|
{
|
|
buf[0] = val >> 8;
|
|
buf[1] = val & 0xff;
|
|
}
|
|
|
|
static inline void cpu_to_ube32(uint8_t *buf, unsigned int val)
|
|
{
|
|
buf[0] = val >> 24;
|
|
buf[1] = val >> 16;
|
|
buf[2] = val >> 8;
|
|
buf[3] = val & 0xff;
|
|
}
|
|
|
|
static inline int ube16_to_cpu(const uint8_t *buf)
|
|
{
|
|
return (buf[0] << 8) | buf[1];
|
|
}
|
|
|
|
static inline int ube32_to_cpu(const uint8_t *buf)
|
|
{
|
|
return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
|
|
}
|
|
|
|
static void lba_to_msf(uint8_t *buf, int lba)
|
|
{
|
|
lba += 150;
|
|
buf[0] = (lba / 75) / 60;
|
|
buf[1] = (lba / 75) % 60;
|
|
buf[2] = lba % 75;
|
|
}
|
|
|
|
static void cd_data_to_raw(uint8_t *buf, int lba)
|
|
{
|
|
/* sync bytes */
|
|
buf[0] = 0x00;
|
|
memset(buf + 1, 0xff, 10);
|
|
buf[11] = 0x00;
|
|
buf += 12;
|
|
/* MSF */
|
|
lba_to_msf(buf, lba);
|
|
buf[3] = 0x01; /* mode 1 data */
|
|
buf += 4;
|
|
/* data */
|
|
buf += 2048;
|
|
/* XXX: ECC not computed */
|
|
memset(buf, 0, 288);
|
|
}
|
|
|
|
static int cd_read_sector(BlockDriverState *bs, int lba, uint8_t *buf,
|
|
int sector_size)
|
|
{
|
|
int ret;
|
|
|
|
switch(sector_size) {
|
|
case 2048:
|
|
ret = bdrv_read(bs, (int64_t)lba << 2, buf, 4);
|
|
break;
|
|
case 2352:
|
|
ret = bdrv_read(bs, (int64_t)lba << 2, buf + 16, 4);
|
|
if (ret < 0)
|
|
return ret;
|
|
cd_data_to_raw(buf, lba);
|
|
break;
|
|
default:
|
|
ret = -EIO;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void ide_atapi_io_error(IDEState *s, int ret)
|
|
{
|
|
/* XXX: handle more errors */
|
|
if (ret == -ENOMEDIUM) {
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
} else {
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_LOGICAL_BLOCK_OOR);
|
|
}
|
|
}
|
|
|
|
/* The whole ATAPI transfer logic is handled in this function */
|
|
static void ide_atapi_cmd_reply_end(IDEState *s)
|
|
{
|
|
int byte_count_limit, size, ret;
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
printf("reply: tx_size=%d elem_tx_size=%d index=%d\n",
|
|
s->packet_transfer_size,
|
|
s->elementary_transfer_size,
|
|
s->io_buffer_index);
|
|
#endif
|
|
if (s->packet_transfer_size <= 0) {
|
|
/* end of transfer */
|
|
ide_transfer_stop(s);
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
|
ide_set_irq(s);
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
printf("status=0x%x\n", s->status);
|
|
#endif
|
|
} else {
|
|
/* see if a new sector must be read */
|
|
if (s->lba != -1 && s->io_buffer_index >= s->cd_sector_size) {
|
|
ret = cd_read_sector(s->bs, s->lba, s->io_buffer, s->cd_sector_size);
|
|
if (ret < 0) {
|
|
ide_transfer_stop(s);
|
|
ide_atapi_io_error(s, ret);
|
|
return;
|
|
}
|
|
s->lba++;
|
|
s->io_buffer_index = 0;
|
|
}
|
|
if (s->elementary_transfer_size > 0) {
|
|
/* there are some data left to transmit in this elementary
|
|
transfer */
|
|
size = s->cd_sector_size - s->io_buffer_index;
|
|
if (size > s->elementary_transfer_size)
|
|
size = s->elementary_transfer_size;
|
|
ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
|
|
size, ide_atapi_cmd_reply_end);
|
|
s->packet_transfer_size -= size;
|
|
s->elementary_transfer_size -= size;
|
|
s->io_buffer_index += size;
|
|
} else {
|
|
/* a new transfer is needed */
|
|
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
|
|
byte_count_limit = s->lcyl | (s->hcyl << 8);
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
printf("byte_count_limit=%d\n", byte_count_limit);
|
|
#endif
|
|
if (byte_count_limit == 0xffff)
|
|
byte_count_limit--;
|
|
size = s->packet_transfer_size;
|
|
if (size > byte_count_limit) {
|
|
/* byte count limit must be even if this case */
|
|
if (byte_count_limit & 1)
|
|
byte_count_limit--;
|
|
size = byte_count_limit;
|
|
}
|
|
s->lcyl = size;
|
|
s->hcyl = size >> 8;
|
|
s->elementary_transfer_size = size;
|
|
/* we cannot transmit more than one sector at a time */
|
|
if (s->lba != -1) {
|
|
if (size > (s->cd_sector_size - s->io_buffer_index))
|
|
size = (s->cd_sector_size - s->io_buffer_index);
|
|
}
|
|
ide_transfer_start(s, s->io_buffer + s->io_buffer_index,
|
|
size, ide_atapi_cmd_reply_end);
|
|
s->packet_transfer_size -= size;
|
|
s->elementary_transfer_size -= size;
|
|
s->io_buffer_index += size;
|
|
ide_set_irq(s);
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
printf("status=0x%x\n", s->status);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
/* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
|
|
static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size)
|
|
{
|
|
if (size > max_size)
|
|
size = max_size;
|
|
s->lba = -1; /* no sector read */
|
|
s->packet_transfer_size = size;
|
|
s->io_buffer_size = size; /* dma: send the reply data as one chunk */
|
|
s->elementary_transfer_size = 0;
|
|
s->io_buffer_index = 0;
|
|
|
|
if (s->atapi_dma) {
|
|
s->status = READY_STAT | SEEK_STAT | DRQ_STAT;
|
|
ide_dma_start(s, ide_atapi_cmd_read_dma_cb);
|
|
} else {
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_atapi_cmd_reply_end(s);
|
|
}
|
|
}
|
|
|
|
/* start a CD-CDROM read command */
|
|
static void ide_atapi_cmd_read_pio(IDEState *s, int lba, int nb_sectors,
|
|
int sector_size)
|
|
{
|
|
s->lba = lba;
|
|
s->packet_transfer_size = nb_sectors * sector_size;
|
|
s->elementary_transfer_size = 0;
|
|
s->io_buffer_index = sector_size;
|
|
s->cd_sector_size = sector_size;
|
|
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_atapi_cmd_reply_end(s);
|
|
}
|
|
|
|
/* ATAPI DMA support */
|
|
|
|
/* XXX: handle read errors */
|
|
static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
IDEState *s = bm->ide_if;
|
|
int data_offset, n;
|
|
|
|
if (ret < 0) {
|
|
ide_atapi_io_error(s, ret);
|
|
goto eot;
|
|
}
|
|
|
|
if (s->io_buffer_size > 0) {
|
|
/*
|
|
* For a cdrom read sector command (s->lba != -1),
|
|
* adjust the lba for the next s->io_buffer_size chunk
|
|
* and dma the current chunk.
|
|
* For a command != read (s->lba == -1), just transfer
|
|
* the reply data.
|
|
*/
|
|
if (s->lba != -1) {
|
|
if (s->cd_sector_size == 2352) {
|
|
n = 1;
|
|
cd_data_to_raw(s->io_buffer, s->lba);
|
|
} else {
|
|
n = s->io_buffer_size >> 11;
|
|
}
|
|
s->lba += n;
|
|
}
|
|
s->packet_transfer_size -= s->io_buffer_size;
|
|
if (dma_buf_rw(bm, 1) == 0)
|
|
goto eot;
|
|
}
|
|
|
|
if (s->packet_transfer_size <= 0) {
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
|
ide_set_irq(s);
|
|
eot:
|
|
bm->status &= ~BM_STATUS_DMAING;
|
|
bm->status |= BM_STATUS_INT;
|
|
bm->dma_cb = NULL;
|
|
bm->ide_if = NULL;
|
|
bm->aiocb = NULL;
|
|
return;
|
|
}
|
|
|
|
s->io_buffer_index = 0;
|
|
if (s->cd_sector_size == 2352) {
|
|
n = 1;
|
|
s->io_buffer_size = s->cd_sector_size;
|
|
data_offset = 16;
|
|
} else {
|
|
n = s->packet_transfer_size >> 11;
|
|
if (n > (IDE_DMA_BUF_SECTORS / 4))
|
|
n = (IDE_DMA_BUF_SECTORS / 4);
|
|
s->io_buffer_size = n * 2048;
|
|
data_offset = 0;
|
|
}
|
|
#ifdef DEBUG_AIO
|
|
printf("aio_read_cd: lba=%u n=%d\n", s->lba, n);
|
|
#endif
|
|
bm->iov.iov_base = s->io_buffer + data_offset;
|
|
bm->iov.iov_len = n * 4 * 512;
|
|
qemu_iovec_init_external(&bm->qiov, &bm->iov, 1);
|
|
bm->aiocb = bdrv_aio_readv(s->bs, (int64_t)s->lba << 2, &bm->qiov,
|
|
n * 4, ide_atapi_cmd_read_dma_cb, bm);
|
|
if (!bm->aiocb) {
|
|
/* Note: media not present is the most likely case */
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
goto eot;
|
|
}
|
|
}
|
|
|
|
/* start a CD-CDROM read command with DMA */
|
|
/* XXX: test if DMA is available */
|
|
static void ide_atapi_cmd_read_dma(IDEState *s, int lba, int nb_sectors,
|
|
int sector_size)
|
|
{
|
|
s->lba = lba;
|
|
s->packet_transfer_size = nb_sectors * sector_size;
|
|
s->io_buffer_index = 0;
|
|
s->io_buffer_size = 0;
|
|
s->cd_sector_size = sector_size;
|
|
|
|
/* XXX: check if BUSY_STAT should be set */
|
|
s->status = READY_STAT | SEEK_STAT | DRQ_STAT | BUSY_STAT;
|
|
ide_dma_start(s, ide_atapi_cmd_read_dma_cb);
|
|
}
|
|
|
|
static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors,
|
|
int sector_size)
|
|
{
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
printf("read %s: LBA=%d nb_sectors=%d\n", s->atapi_dma ? "dma" : "pio",
|
|
lba, nb_sectors);
|
|
#endif
|
|
if (s->atapi_dma) {
|
|
ide_atapi_cmd_read_dma(s, lba, nb_sectors, sector_size);
|
|
} else {
|
|
ide_atapi_cmd_read_pio(s, lba, nb_sectors, sector_size);
|
|
}
|
|
}
|
|
|
|
static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index,
|
|
uint16_t profile)
|
|
{
|
|
uint8_t *buf_profile = buf + 12; /* start of profiles */
|
|
|
|
buf_profile += ((*index) * 4); /* start of indexed profile */
|
|
cpu_to_ube16 (buf_profile, profile);
|
|
buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7]));
|
|
|
|
/* each profile adds 4 bytes to the response */
|
|
(*index)++;
|
|
buf[11] += 4; /* Additional Length */
|
|
|
|
return 4;
|
|
}
|
|
|
|
static int ide_dvd_read_structure(IDEState *s, int format,
|
|
const uint8_t *packet, uint8_t *buf)
|
|
{
|
|
switch (format) {
|
|
case 0x0: /* Physical format information */
|
|
{
|
|
int layer = packet[6];
|
|
uint64_t total_sectors;
|
|
|
|
if (layer != 0)
|
|
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
|
|
|
bdrv_get_geometry(s->bs, &total_sectors);
|
|
total_sectors >>= 2;
|
|
if (total_sectors == 0)
|
|
return -ASC_MEDIUM_NOT_PRESENT;
|
|
|
|
buf[4] = 1; /* DVD-ROM, part version 1 */
|
|
buf[5] = 0xf; /* 120mm disc, minimum rate unspecified */
|
|
buf[6] = 1; /* one layer, read-only (per MMC-2 spec) */
|
|
buf[7] = 0; /* default densities */
|
|
|
|
/* FIXME: 0x30000 per spec? */
|
|
cpu_to_ube32(buf + 8, 0); /* start sector */
|
|
cpu_to_ube32(buf + 12, total_sectors - 1); /* end sector */
|
|
cpu_to_ube32(buf + 16, total_sectors - 1); /* l0 end sector */
|
|
|
|
/* Size of buffer, not including 2 byte size field */
|
|
cpu_to_be16wu((uint16_t *)buf, 2048 + 2);
|
|
|
|
/* 2k data + 4 byte header */
|
|
return (2048 + 4);
|
|
}
|
|
|
|
case 0x01: /* DVD copyright information */
|
|
buf[4] = 0; /* no copyright data */
|
|
buf[5] = 0; /* no region restrictions */
|
|
|
|
/* Size of buffer, not including 2 byte size field */
|
|
cpu_to_be16wu((uint16_t *)buf, 4 + 2);
|
|
|
|
/* 4 byte header + 4 byte data */
|
|
return (4 + 4);
|
|
|
|
case 0x03: /* BCA information - invalid field for no BCA info */
|
|
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
|
|
|
case 0x04: /* DVD disc manufacturing information */
|
|
/* Size of buffer, not including 2 byte size field */
|
|
cpu_to_be16wu((uint16_t *)buf, 2048 + 2);
|
|
|
|
/* 2k data + 4 byte header */
|
|
return (2048 + 4);
|
|
|
|
case 0xff:
|
|
/*
|
|
* This lists all the command capabilities above. Add new ones
|
|
* in order and update the length and buffer return values.
|
|
*/
|
|
|
|
buf[4] = 0x00; /* Physical format */
|
|
buf[5] = 0x40; /* Not writable, is readable */
|
|
cpu_to_be16wu((uint16_t *)(buf + 6), 2048 + 4);
|
|
|
|
buf[8] = 0x01; /* Copyright info */
|
|
buf[9] = 0x40; /* Not writable, is readable */
|
|
cpu_to_be16wu((uint16_t *)(buf + 10), 4 + 4);
|
|
|
|
buf[12] = 0x03; /* BCA info */
|
|
buf[13] = 0x40; /* Not writable, is readable */
|
|
cpu_to_be16wu((uint16_t *)(buf + 14), 188 + 4);
|
|
|
|
buf[16] = 0x04; /* Manufacturing info */
|
|
buf[17] = 0x40; /* Not writable, is readable */
|
|
cpu_to_be16wu((uint16_t *)(buf + 18), 2048 + 4);
|
|
|
|
/* Size of buffer, not including 2 byte size field */
|
|
cpu_to_be16wu((uint16_t *)buf, 16 + 2);
|
|
|
|
/* data written + 4 byte header */
|
|
return (16 + 4);
|
|
|
|
default: /* TODO: formats beyond DVD-ROM requires */
|
|
return -ASC_INV_FIELD_IN_CMD_PACKET;
|
|
}
|
|
}
|
|
|
|
static void ide_atapi_cmd(IDEState *s)
|
|
{
|
|
const uint8_t *packet;
|
|
uint8_t *buf;
|
|
int max_len;
|
|
|
|
packet = s->io_buffer;
|
|
buf = s->io_buffer;
|
|
#ifdef DEBUG_IDE_ATAPI
|
|
{
|
|
int i;
|
|
printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8));
|
|
for(i = 0; i < ATAPI_PACKET_SIZE; i++) {
|
|
printf(" %02x", packet[i]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
/* If there's a UNIT_ATTENTION condition pending, only
|
|
REQUEST_SENSE and INQUIRY commands are allowed to complete. */
|
|
if (s->sense_key == SENSE_UNIT_ATTENTION &&
|
|
s->io_buffer[0] != GPCMD_REQUEST_SENSE &&
|
|
s->io_buffer[0] != GPCMD_INQUIRY) {
|
|
ide_atapi_cmd_check_status(s);
|
|
return;
|
|
}
|
|
switch(s->io_buffer[0]) {
|
|
case GPCMD_TEST_UNIT_READY:
|
|
if (bdrv_is_inserted(s->bs)) {
|
|
ide_atapi_cmd_ok(s);
|
|
} else {
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
}
|
|
break;
|
|
case GPCMD_MODE_SENSE_6:
|
|
case GPCMD_MODE_SENSE_10:
|
|
{
|
|
int action, code;
|
|
if (packet[0] == GPCMD_MODE_SENSE_10)
|
|
max_len = ube16_to_cpu(packet + 7);
|
|
else
|
|
max_len = packet[4];
|
|
action = packet[2] >> 6;
|
|
code = packet[2] & 0x3f;
|
|
switch(action) {
|
|
case 0: /* current values */
|
|
switch(code) {
|
|
case 0x01: /* error recovery */
|
|
cpu_to_ube16(&buf[0], 16 + 6);
|
|
buf[2] = 0x70;
|
|
buf[3] = 0;
|
|
buf[4] = 0;
|
|
buf[5] = 0;
|
|
buf[6] = 0;
|
|
buf[7] = 0;
|
|
|
|
buf[8] = 0x01;
|
|
buf[9] = 0x06;
|
|
buf[10] = 0x00;
|
|
buf[11] = 0x05;
|
|
buf[12] = 0x00;
|
|
buf[13] = 0x00;
|
|
buf[14] = 0x00;
|
|
buf[15] = 0x00;
|
|
ide_atapi_cmd_reply(s, 16, max_len);
|
|
break;
|
|
case 0x2a:
|
|
cpu_to_ube16(&buf[0], 28 + 6);
|
|
buf[2] = 0x70;
|
|
buf[3] = 0;
|
|
buf[4] = 0;
|
|
buf[5] = 0;
|
|
buf[6] = 0;
|
|
buf[7] = 0;
|
|
|
|
buf[8] = 0x2a;
|
|
buf[9] = 0x12;
|
|
buf[10] = 0x00;
|
|
buf[11] = 0x00;
|
|
|
|
/* Claim PLAY_AUDIO capability (0x01) since some Linux
|
|
code checks for this to automount media. */
|
|
buf[12] = 0x71;
|
|
buf[13] = 3 << 5;
|
|
buf[14] = (1 << 0) | (1 << 3) | (1 << 5);
|
|
if (bdrv_is_locked(s->bs))
|
|
buf[6] |= 1 << 1;
|
|
buf[15] = 0x00;
|
|
cpu_to_ube16(&buf[16], 706);
|
|
buf[18] = 0;
|
|
buf[19] = 2;
|
|
cpu_to_ube16(&buf[20], 512);
|
|
cpu_to_ube16(&buf[22], 706);
|
|
buf[24] = 0;
|
|
buf[25] = 0;
|
|
buf[26] = 0;
|
|
buf[27] = 0;
|
|
ide_atapi_cmd_reply(s, 28, max_len);
|
|
break;
|
|
default:
|
|
goto error_cmd;
|
|
}
|
|
break;
|
|
case 1: /* changeable values */
|
|
goto error_cmd;
|
|
case 2: /* default values */
|
|
goto error_cmd;
|
|
default:
|
|
case 3: /* saved values */
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_SAVING_PARAMETERS_NOT_SUPPORTED);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case GPCMD_REQUEST_SENSE:
|
|
max_len = packet[4];
|
|
memset(buf, 0, 18);
|
|
buf[0] = 0x70 | (1 << 7);
|
|
buf[2] = s->sense_key;
|
|
buf[7] = 10;
|
|
buf[12] = s->asc;
|
|
if (s->sense_key == SENSE_UNIT_ATTENTION)
|
|
s->sense_key = SENSE_NONE;
|
|
ide_atapi_cmd_reply(s, 18, max_len);
|
|
break;
|
|
case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
|
if (bdrv_is_inserted(s->bs)) {
|
|
bdrv_set_locked(s->bs, packet[4] & 1);
|
|
ide_atapi_cmd_ok(s);
|
|
} else {
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
}
|
|
break;
|
|
case GPCMD_READ_10:
|
|
case GPCMD_READ_12:
|
|
{
|
|
int nb_sectors, lba;
|
|
|
|
if (packet[0] == GPCMD_READ_10)
|
|
nb_sectors = ube16_to_cpu(packet + 7);
|
|
else
|
|
nb_sectors = ube32_to_cpu(packet + 6);
|
|
lba = ube32_to_cpu(packet + 2);
|
|
if (nb_sectors == 0) {
|
|
ide_atapi_cmd_ok(s);
|
|
break;
|
|
}
|
|
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
|
}
|
|
break;
|
|
case GPCMD_READ_CD:
|
|
{
|
|
int nb_sectors, lba, transfer_request;
|
|
|
|
nb_sectors = (packet[6] << 16) | (packet[7] << 8) | packet[8];
|
|
lba = ube32_to_cpu(packet + 2);
|
|
if (nb_sectors == 0) {
|
|
ide_atapi_cmd_ok(s);
|
|
break;
|
|
}
|
|
transfer_request = packet[9];
|
|
switch(transfer_request & 0xf8) {
|
|
case 0x00:
|
|
/* nothing */
|
|
ide_atapi_cmd_ok(s);
|
|
break;
|
|
case 0x10:
|
|
/* normal read */
|
|
ide_atapi_cmd_read(s, lba, nb_sectors, 2048);
|
|
break;
|
|
case 0xf8:
|
|
/* read all data */
|
|
ide_atapi_cmd_read(s, lba, nb_sectors, 2352);
|
|
break;
|
|
default:
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_INV_FIELD_IN_CMD_PACKET);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case GPCMD_SEEK:
|
|
{
|
|
unsigned int lba;
|
|
uint64_t total_sectors;
|
|
|
|
bdrv_get_geometry(s->bs, &total_sectors);
|
|
total_sectors >>= 2;
|
|
if (total_sectors == 0) {
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
break;
|
|
}
|
|
lba = ube32_to_cpu(packet + 2);
|
|
if (lba >= total_sectors) {
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_LOGICAL_BLOCK_OOR);
|
|
break;
|
|
}
|
|
ide_atapi_cmd_ok(s);
|
|
}
|
|
break;
|
|
case GPCMD_START_STOP_UNIT:
|
|
{
|
|
int start, eject;
|
|
start = packet[4] & 1;
|
|
eject = (packet[4] >> 1) & 1;
|
|
|
|
if (eject && !start) {
|
|
/* eject the disk */
|
|
bdrv_eject(s->bs, 1);
|
|
} else if (eject && start) {
|
|
/* close the tray */
|
|
bdrv_eject(s->bs, 0);
|
|
}
|
|
ide_atapi_cmd_ok(s);
|
|
}
|
|
break;
|
|
case GPCMD_MECHANISM_STATUS:
|
|
{
|
|
max_len = ube16_to_cpu(packet + 8);
|
|
cpu_to_ube16(buf, 0);
|
|
/* no current LBA */
|
|
buf[2] = 0;
|
|
buf[3] = 0;
|
|
buf[4] = 0;
|
|
buf[5] = 1;
|
|
cpu_to_ube16(buf + 6, 0);
|
|
ide_atapi_cmd_reply(s, 8, max_len);
|
|
}
|
|
break;
|
|
case GPCMD_READ_TOC_PMA_ATIP:
|
|
{
|
|
int format, msf, start_track, len;
|
|
uint64_t total_sectors;
|
|
|
|
bdrv_get_geometry(s->bs, &total_sectors);
|
|
total_sectors >>= 2;
|
|
if (total_sectors == 0) {
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
break;
|
|
}
|
|
max_len = ube16_to_cpu(packet + 7);
|
|
format = packet[9] >> 6;
|
|
msf = (packet[1] >> 1) & 1;
|
|
start_track = packet[6];
|
|
switch(format) {
|
|
case 0:
|
|
len = cdrom_read_toc(total_sectors, buf, msf, start_track);
|
|
if (len < 0)
|
|
goto error_cmd;
|
|
ide_atapi_cmd_reply(s, len, max_len);
|
|
break;
|
|
case 1:
|
|
/* multi session : only a single session defined */
|
|
memset(buf, 0, 12);
|
|
buf[1] = 0x0a;
|
|
buf[2] = 0x01;
|
|
buf[3] = 0x01;
|
|
ide_atapi_cmd_reply(s, 12, max_len);
|
|
break;
|
|
case 2:
|
|
len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
|
|
if (len < 0)
|
|
goto error_cmd;
|
|
ide_atapi_cmd_reply(s, len, max_len);
|
|
break;
|
|
default:
|
|
error_cmd:
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_INV_FIELD_IN_CMD_PACKET);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case GPCMD_READ_CDVD_CAPACITY:
|
|
{
|
|
uint64_t total_sectors;
|
|
|
|
bdrv_get_geometry(s->bs, &total_sectors);
|
|
total_sectors >>= 2;
|
|
if (total_sectors == 0) {
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
break;
|
|
}
|
|
/* NOTE: it is really the number of sectors minus 1 */
|
|
cpu_to_ube32(buf, total_sectors - 1);
|
|
cpu_to_ube32(buf + 4, 2048);
|
|
ide_atapi_cmd_reply(s, 8, 8);
|
|
}
|
|
break;
|
|
case GPCMD_READ_DVD_STRUCTURE:
|
|
{
|
|
int media = packet[1];
|
|
int format = packet[7];
|
|
int ret;
|
|
|
|
max_len = ube16_to_cpu(packet + 8);
|
|
|
|
if (format < 0xff) {
|
|
if (media_is_cd(s)) {
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_INCOMPATIBLE_FORMAT);
|
|
break;
|
|
} else if (!media_present(s)) {
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_INV_FIELD_IN_CMD_PACKET);
|
|
break;
|
|
}
|
|
}
|
|
|
|
memset(buf, 0, max_len > IDE_DMA_BUF_SECTORS * 512 + 4 ?
|
|
IDE_DMA_BUF_SECTORS * 512 + 4 : max_len);
|
|
|
|
switch (format) {
|
|
case 0x00 ... 0x7f:
|
|
case 0xff:
|
|
if (media == 0) {
|
|
ret = ide_dvd_read_structure(s, format, packet, buf);
|
|
|
|
if (ret < 0)
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, -ret);
|
|
else
|
|
ide_atapi_cmd_reply(s, ret, max_len);
|
|
|
|
break;
|
|
}
|
|
/* TODO: BD support, fall through for now */
|
|
|
|
/* Generic disk structures */
|
|
case 0x80: /* TODO: AACS volume identifier */
|
|
case 0x81: /* TODO: AACS media serial number */
|
|
case 0x82: /* TODO: AACS media identifier */
|
|
case 0x83: /* TODO: AACS media key block */
|
|
case 0x90: /* TODO: List of recognized format layers */
|
|
case 0xc0: /* TODO: Write protection status */
|
|
default:
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_INV_FIELD_IN_CMD_PACKET);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case GPCMD_SET_SPEED:
|
|
ide_atapi_cmd_ok(s);
|
|
break;
|
|
case GPCMD_INQUIRY:
|
|
max_len = packet[4];
|
|
buf[0] = 0x05; /* CD-ROM */
|
|
buf[1] = 0x80; /* removable */
|
|
buf[2] = 0x00; /* ISO */
|
|
buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */
|
|
buf[4] = 31; /* additional length */
|
|
buf[5] = 0; /* reserved */
|
|
buf[6] = 0; /* reserved */
|
|
buf[7] = 0; /* reserved */
|
|
padstr8(buf + 8, 8, "QEMU");
|
|
padstr8(buf + 16, 16, "QEMU DVD-ROM");
|
|
padstr8(buf + 32, 4, QEMU_VERSION);
|
|
ide_atapi_cmd_reply(s, 36, max_len);
|
|
break;
|
|
case GPCMD_GET_CONFIGURATION:
|
|
{
|
|
uint32_t len;
|
|
uint8_t index = 0;
|
|
|
|
/* only feature 0 is supported */
|
|
if (packet[2] != 0 || packet[3] != 0) {
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_INV_FIELD_IN_CMD_PACKET);
|
|
break;
|
|
}
|
|
|
|
/* XXX: could result in alignment problems in some architectures */
|
|
max_len = ube16_to_cpu(packet + 7);
|
|
|
|
/*
|
|
* XXX: avoid overflow for io_buffer if max_len is bigger than
|
|
* the size of that buffer (dimensioned to max number of
|
|
* sectors to transfer at once)
|
|
*
|
|
* Only a problem if the feature/profiles grow.
|
|
*/
|
|
if (max_len > 512) /* XXX: assume 1 sector */
|
|
max_len = 512;
|
|
|
|
memset(buf, 0, max_len);
|
|
/*
|
|
* the number of sectors from the media tells us which profile
|
|
* to use as current. 0 means there is no media
|
|
*/
|
|
if (media_is_dvd(s))
|
|
cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM);
|
|
else if (media_is_cd(s))
|
|
cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM);
|
|
|
|
buf[10] = 0x02 | 0x01; /* persistent and current */
|
|
len = 12; /* headers: 8 + 4 */
|
|
len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM);
|
|
len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM);
|
|
cpu_to_ube32(buf, len - 4); /* data length */
|
|
|
|
ide_atapi_cmd_reply(s, len, max_len);
|
|
break;
|
|
}
|
|
default:
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_ILLEGAL_OPCODE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void ide_cfata_metadata_inquiry(IDEState *s)
|
|
{
|
|
uint16_t *p;
|
|
uint32_t spd;
|
|
|
|
p = (uint16_t *) s->io_buffer;
|
|
memset(p, 0, 0x200);
|
|
spd = ((s->mdata_size - 1) >> 9) + 1;
|
|
|
|
put_le16(p + 0, 0x0001); /* Data format revision */
|
|
put_le16(p + 1, 0x0000); /* Media property: silicon */
|
|
put_le16(p + 2, s->media_changed); /* Media status */
|
|
put_le16(p + 3, s->mdata_size & 0xffff); /* Capacity in bytes (low) */
|
|
put_le16(p + 4, s->mdata_size >> 16); /* Capacity in bytes (high) */
|
|
put_le16(p + 5, spd & 0xffff); /* Sectors per device (low) */
|
|
put_le16(p + 6, spd >> 16); /* Sectors per device (high) */
|
|
}
|
|
|
|
static void ide_cfata_metadata_read(IDEState *s)
|
|
{
|
|
uint16_t *p;
|
|
|
|
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) {
|
|
s->status = ERR_STAT;
|
|
s->error = ABRT_ERR;
|
|
return;
|
|
}
|
|
|
|
p = (uint16_t *) s->io_buffer;
|
|
memset(p, 0, 0x200);
|
|
|
|
put_le16(p + 0, s->media_changed); /* Media status */
|
|
memcpy(p + 1, s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9),
|
|
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9),
|
|
s->nsector << 9), 0x200 - 2));
|
|
}
|
|
|
|
static void ide_cfata_metadata_write(IDEState *s)
|
|
{
|
|
if (((s->hcyl << 16) | s->lcyl) << 9 > s->mdata_size + 2) {
|
|
s->status = ERR_STAT;
|
|
s->error = ABRT_ERR;
|
|
return;
|
|
}
|
|
|
|
s->media_changed = 0;
|
|
|
|
memcpy(s->mdata_storage + (((s->hcyl << 16) | s->lcyl) << 9),
|
|
s->io_buffer + 2,
|
|
MIN(MIN(s->mdata_size - (((s->hcyl << 16) | s->lcyl) << 9),
|
|
s->nsector << 9), 0x200 - 2));
|
|
}
|
|
|
|
/* called when the inserted state of the media has changed */
|
|
static void cdrom_change_cb(void *opaque)
|
|
{
|
|
IDEState *s = opaque;
|
|
uint64_t nb_sectors;
|
|
|
|
bdrv_get_geometry(s->bs, &nb_sectors);
|
|
s->nb_sectors = nb_sectors;
|
|
|
|
s->sense_key = SENSE_UNIT_ATTENTION;
|
|
s->asc = ASC_MEDIUM_MAY_HAVE_CHANGED;
|
|
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
static void ide_cmd_lba48_transform(IDEState *s, int lba48)
|
|
{
|
|
s->lba48 = lba48;
|
|
|
|
/* handle the 'magic' 0 nsector count conversion here. to avoid
|
|
* fiddling with the rest of the read logic, we just store the
|
|
* full sector count in ->nsector and ignore ->hob_nsector from now
|
|
*/
|
|
if (!s->lba48) {
|
|
if (!s->nsector)
|
|
s->nsector = 256;
|
|
} else {
|
|
if (!s->nsector && !s->hob_nsector)
|
|
s->nsector = 65536;
|
|
else {
|
|
int lo = s->nsector;
|
|
int hi = s->hob_nsector;
|
|
|
|
s->nsector = (hi << 8) | lo;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ide_clear_hob(IDEState *ide_if)
|
|
{
|
|
/* any write clears HOB high bit of device control register */
|
|
ide_if[0].select &= ~(1 << 7);
|
|
ide_if[1].select &= ~(1 << 7);
|
|
}
|
|
|
|
static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
IDEState *ide_if = opaque;
|
|
IDEState *s;
|
|
int unit, n;
|
|
int lba48 = 0;
|
|
|
|
#ifdef DEBUG_IDE
|
|
printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
|
#endif
|
|
|
|
addr &= 7;
|
|
|
|
/* ignore writes to command block while busy with previous command */
|
|
if (addr != 7 && (ide_if->cur_drive->status & (BUSY_STAT|DRQ_STAT)))
|
|
return;
|
|
|
|
switch(addr) {
|
|
case 0:
|
|
break;
|
|
case 1:
|
|
ide_clear_hob(ide_if);
|
|
/* NOTE: data is written to the two drives */
|
|
ide_if[0].hob_feature = ide_if[0].feature;
|
|
ide_if[1].hob_feature = ide_if[1].feature;
|
|
ide_if[0].feature = val;
|
|
ide_if[1].feature = val;
|
|
break;
|
|
case 2:
|
|
ide_clear_hob(ide_if);
|
|
ide_if[0].hob_nsector = ide_if[0].nsector;
|
|
ide_if[1].hob_nsector = ide_if[1].nsector;
|
|
ide_if[0].nsector = val;
|
|
ide_if[1].nsector = val;
|
|
break;
|
|
case 3:
|
|
ide_clear_hob(ide_if);
|
|
ide_if[0].hob_sector = ide_if[0].sector;
|
|
ide_if[1].hob_sector = ide_if[1].sector;
|
|
ide_if[0].sector = val;
|
|
ide_if[1].sector = val;
|
|
break;
|
|
case 4:
|
|
ide_clear_hob(ide_if);
|
|
ide_if[0].hob_lcyl = ide_if[0].lcyl;
|
|
ide_if[1].hob_lcyl = ide_if[1].lcyl;
|
|
ide_if[0].lcyl = val;
|
|
ide_if[1].lcyl = val;
|
|
break;
|
|
case 5:
|
|
ide_clear_hob(ide_if);
|
|
ide_if[0].hob_hcyl = ide_if[0].hcyl;
|
|
ide_if[1].hob_hcyl = ide_if[1].hcyl;
|
|
ide_if[0].hcyl = val;
|
|
ide_if[1].hcyl = val;
|
|
break;
|
|
case 6:
|
|
/* FIXME: HOB readback uses bit 7 */
|
|
ide_if[0].select = (val & ~0x10) | 0xa0;
|
|
ide_if[1].select = (val | 0x10) | 0xa0;
|
|
/* select drive */
|
|
unit = (val >> 4) & 1;
|
|
s = ide_if + unit;
|
|
ide_if->cur_drive = s;
|
|
break;
|
|
default:
|
|
case 7:
|
|
/* command */
|
|
#if defined(DEBUG_IDE)
|
|
printf("ide: CMD=%02x\n", val);
|
|
#endif
|
|
s = ide_if->cur_drive;
|
|
/* ignore commands to non existant slave */
|
|
if (s != ide_if && !s->bs)
|
|
break;
|
|
|
|
/* Only DEVICE RESET is allowed while BSY or/and DRQ are set */
|
|
if ((s->status & (BUSY_STAT|DRQ_STAT)) && val != WIN_DEVICE_RESET)
|
|
break;
|
|
|
|
switch(val) {
|
|
case WIN_IDENTIFY:
|
|
if (s->bs && !s->is_cdrom) {
|
|
if (!s->is_cf)
|
|
ide_identify(s);
|
|
else
|
|
ide_cfata_identify(s);
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
|
} else {
|
|
if (s->is_cdrom) {
|
|
ide_set_signature(s);
|
|
}
|
|
ide_abort_command(s);
|
|
}
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_SPECIFY:
|
|
case WIN_RECAL:
|
|
s->error = 0;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_SETMULT:
|
|
if (s->is_cf && s->nsector == 0) {
|
|
/* Disable Read and Write Multiple */
|
|
s->mult_sectors = 0;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
} else if ((s->nsector & 0xff) != 0 &&
|
|
((s->nsector & 0xff) > MAX_MULT_SECTORS ||
|
|
(s->nsector & (s->nsector - 1)) != 0)) {
|
|
ide_abort_command(s);
|
|
} else {
|
|
s->mult_sectors = s->nsector & 0xff;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
}
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_VERIFY_EXT:
|
|
lba48 = 1;
|
|
case WIN_VERIFY:
|
|
case WIN_VERIFY_ONCE:
|
|
/* do sector number check ? */
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_READ_EXT:
|
|
lba48 = 1;
|
|
case WIN_READ:
|
|
case WIN_READ_ONCE:
|
|
if (!s->bs)
|
|
goto abort_cmd;
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
s->req_nb_sectors = 1;
|
|
ide_sector_read(s);
|
|
break;
|
|
case WIN_WRITE_EXT:
|
|
lba48 = 1;
|
|
case WIN_WRITE:
|
|
case WIN_WRITE_ONCE:
|
|
case CFA_WRITE_SECT_WO_ERASE:
|
|
case WIN_WRITE_VERIFY:
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
s->error = 0;
|
|
s->status = SEEK_STAT | READY_STAT;
|
|
s->req_nb_sectors = 1;
|
|
ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
|
|
s->media_changed = 1;
|
|
break;
|
|
case WIN_MULTREAD_EXT:
|
|
lba48 = 1;
|
|
case WIN_MULTREAD:
|
|
if (!s->mult_sectors)
|
|
goto abort_cmd;
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
s->req_nb_sectors = s->mult_sectors;
|
|
ide_sector_read(s);
|
|
break;
|
|
case WIN_MULTWRITE_EXT:
|
|
lba48 = 1;
|
|
case WIN_MULTWRITE:
|
|
case CFA_WRITE_MULTI_WO_ERASE:
|
|
if (!s->mult_sectors)
|
|
goto abort_cmd;
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
s->error = 0;
|
|
s->status = SEEK_STAT | READY_STAT;
|
|
s->req_nb_sectors = s->mult_sectors;
|
|
n = s->nsector;
|
|
if (n > s->req_nb_sectors)
|
|
n = s->req_nb_sectors;
|
|
ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
|
|
s->media_changed = 1;
|
|
break;
|
|
case WIN_READDMA_EXT:
|
|
lba48 = 1;
|
|
case WIN_READDMA:
|
|
case WIN_READDMA_ONCE:
|
|
if (!s->bs)
|
|
goto abort_cmd;
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
ide_sector_read_dma(s);
|
|
break;
|
|
case WIN_WRITEDMA_EXT:
|
|
lba48 = 1;
|
|
case WIN_WRITEDMA:
|
|
case WIN_WRITEDMA_ONCE:
|
|
if (!s->bs)
|
|
goto abort_cmd;
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
ide_sector_write_dma(s);
|
|
s->media_changed = 1;
|
|
break;
|
|
case WIN_READ_NATIVE_MAX_EXT:
|
|
lba48 = 1;
|
|
case WIN_READ_NATIVE_MAX:
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
ide_set_sector(s, s->nb_sectors - 1);
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_CHECKPOWERMODE1:
|
|
case WIN_CHECKPOWERMODE2:
|
|
s->nsector = 0xff; /* device active or idle */
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_SETFEATURES:
|
|
if (!s->bs)
|
|
goto abort_cmd;
|
|
/* XXX: valid for CDROM ? */
|
|
switch(s->feature) {
|
|
case 0xcc: /* reverting to power-on defaults enable */
|
|
case 0x66: /* reverting to power-on defaults disable */
|
|
case 0x02: /* write cache enable */
|
|
case 0x82: /* write cache disable */
|
|
case 0xaa: /* read look-ahead enable */
|
|
case 0x55: /* read look-ahead disable */
|
|
case 0x05: /* set advanced power management mode */
|
|
case 0x85: /* disable advanced power management mode */
|
|
case 0x69: /* NOP */
|
|
case 0x67: /* NOP */
|
|
case 0x96: /* NOP */
|
|
case 0x9a: /* NOP */
|
|
case 0x42: /* enable Automatic Acoustic Mode */
|
|
case 0xc2: /* disable Automatic Acoustic Mode */
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case 0x03: { /* set transfer mode */
|
|
uint8_t val = s->nsector & 0x07;
|
|
|
|
switch (s->nsector >> 3) {
|
|
case 0x00: /* pio default */
|
|
case 0x01: /* pio mode */
|
|
put_le16(s->identify_data + 62,0x07);
|
|
put_le16(s->identify_data + 63,0x07);
|
|
put_le16(s->identify_data + 88,0x3f);
|
|
break;
|
|
case 0x02: /* sigle word dma mode*/
|
|
put_le16(s->identify_data + 62,0x07 | (1 << (val + 8)));
|
|
put_le16(s->identify_data + 63,0x07);
|
|
put_le16(s->identify_data + 88,0x3f);
|
|
break;
|
|
case 0x04: /* mdma mode */
|
|
put_le16(s->identify_data + 62,0x07);
|
|
put_le16(s->identify_data + 63,0x07 | (1 << (val + 8)));
|
|
put_le16(s->identify_data + 88,0x3f);
|
|
break;
|
|
case 0x08: /* udma mode */
|
|
put_le16(s->identify_data + 62,0x07);
|
|
put_le16(s->identify_data + 63,0x07);
|
|
put_le16(s->identify_data + 88,0x3f | (1 << (val + 8)));
|
|
break;
|
|
default:
|
|
goto abort_cmd;
|
|
}
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
}
|
|
default:
|
|
goto abort_cmd;
|
|
}
|
|
break;
|
|
case WIN_FLUSH_CACHE:
|
|
case WIN_FLUSH_CACHE_EXT:
|
|
if (s->bs)
|
|
bdrv_flush(s->bs);
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_STANDBY:
|
|
case WIN_STANDBY2:
|
|
case WIN_STANDBYNOW1:
|
|
case WIN_STANDBYNOW2:
|
|
case WIN_IDLEIMMEDIATE:
|
|
case CFA_IDLEIMMEDIATE:
|
|
case WIN_SETIDLE1:
|
|
case WIN_SETIDLE2:
|
|
case WIN_SLEEPNOW1:
|
|
case WIN_SLEEPNOW2:
|
|
s->status = READY_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_SEEK:
|
|
if(s->is_cdrom)
|
|
goto abort_cmd;
|
|
/* XXX: Check that seek is within bounds */
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
/* ATAPI commands */
|
|
case WIN_PIDENTIFY:
|
|
if (s->is_cdrom) {
|
|
ide_atapi_identify(s);
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
|
} else {
|
|
ide_abort_command(s);
|
|
}
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_DIAGNOSE:
|
|
ide_set_signature(s);
|
|
if (s->is_cdrom)
|
|
s->status = 0; /* ATAPI spec (v6) section 9.10 defines packet
|
|
* devices to return a clear status register
|
|
* with READY_STAT *not* set. */
|
|
else
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
s->error = 0x01; /* Device 0 passed, Device 1 passed or not
|
|
* present.
|
|
*/
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_SRST:
|
|
if (!s->is_cdrom)
|
|
goto abort_cmd;
|
|
ide_set_signature(s);
|
|
s->status = 0x00; /* NOTE: READY is _not_ set */
|
|
s->error = 0x01;
|
|
break;
|
|
case WIN_PACKETCMD:
|
|
if (!s->is_cdrom)
|
|
goto abort_cmd;
|
|
/* overlapping commands not supported */
|
|
if (s->feature & 0x02)
|
|
goto abort_cmd;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
s->atapi_dma = s->feature & 1;
|
|
s->nsector = 1;
|
|
ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE,
|
|
ide_atapi_cmd);
|
|
break;
|
|
/* CF-ATA commands */
|
|
case CFA_REQ_EXT_ERROR_CODE:
|
|
if (!s->is_cf)
|
|
goto abort_cmd;
|
|
s->error = 0x09; /* miscellaneous error */
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case CFA_ERASE_SECTORS:
|
|
case CFA_WEAR_LEVEL:
|
|
if (!s->is_cf)
|
|
goto abort_cmd;
|
|
if (val == CFA_WEAR_LEVEL)
|
|
s->nsector = 0;
|
|
if (val == CFA_ERASE_SECTORS)
|
|
s->media_changed = 1;
|
|
s->error = 0x00;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
case CFA_TRANSLATE_SECTOR:
|
|
if (!s->is_cf)
|
|
goto abort_cmd;
|
|
s->error = 0x00;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
memset(s->io_buffer, 0, 0x200);
|
|
s->io_buffer[0x00] = s->hcyl; /* Cyl MSB */
|
|
s->io_buffer[0x01] = s->lcyl; /* Cyl LSB */
|
|
s->io_buffer[0x02] = s->select; /* Head */
|
|
s->io_buffer[0x03] = s->sector; /* Sector */
|
|
s->io_buffer[0x04] = ide_get_sector(s) >> 16; /* LBA MSB */
|
|
s->io_buffer[0x05] = ide_get_sector(s) >> 8; /* LBA */
|
|
s->io_buffer[0x06] = ide_get_sector(s) >> 0; /* LBA LSB */
|
|
s->io_buffer[0x13] = 0x00; /* Erase flag */
|
|
s->io_buffer[0x18] = 0x00; /* Hot count */
|
|
s->io_buffer[0x19] = 0x00; /* Hot count */
|
|
s->io_buffer[0x1a] = 0x01; /* Hot count */
|
|
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
|
ide_set_irq(s);
|
|
break;
|
|
case CFA_ACCESS_METADATA_STORAGE:
|
|
if (!s->is_cf)
|
|
goto abort_cmd;
|
|
switch (s->feature) {
|
|
case 0x02: /* Inquiry Metadata Storage */
|
|
ide_cfata_metadata_inquiry(s);
|
|
break;
|
|
case 0x03: /* Read Metadata Storage */
|
|
ide_cfata_metadata_read(s);
|
|
break;
|
|
case 0x04: /* Write Metadata Storage */
|
|
ide_cfata_metadata_write(s);
|
|
break;
|
|
default:
|
|
goto abort_cmd;
|
|
}
|
|
ide_transfer_start(s, s->io_buffer, 0x200, ide_transfer_stop);
|
|
s->status = 0x00; /* NOTE: READY is _not_ set */
|
|
ide_set_irq(s);
|
|
break;
|
|
case IBM_SENSE_CONDITION:
|
|
if (!s->is_cf)
|
|
goto abort_cmd;
|
|
switch (s->feature) {
|
|
case 0x01: /* sense temperature in device */
|
|
s->nsector = 0x50; /* +20 C */
|
|
break;
|
|
default:
|
|
goto abort_cmd;
|
|
}
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
break;
|
|
default:
|
|
abort_cmd:
|
|
ide_abort_command(s);
|
|
ide_set_irq(s);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
|
|
{
|
|
IDEState *ide_if = opaque;
|
|
IDEState *s = ide_if->cur_drive;
|
|
uint32_t addr;
|
|
int ret, hob;
|
|
|
|
addr = addr1 & 7;
|
|
/* FIXME: HOB readback uses bit 7, but it's always set right now */
|
|
//hob = s->select & (1 << 7);
|
|
hob = 0;
|
|
switch(addr) {
|
|
case 0:
|
|
ret = 0xff;
|
|
break;
|
|
case 1:
|
|
if ((!ide_if[0].bs && !ide_if[1].bs) ||
|
|
(s != ide_if && !s->bs))
|
|
ret = 0;
|
|
else if (!hob)
|
|
ret = s->error;
|
|
else
|
|
ret = s->hob_feature;
|
|
break;
|
|
case 2:
|
|
if (!ide_if[0].bs && !ide_if[1].bs)
|
|
ret = 0;
|
|
else if (!hob)
|
|
ret = s->nsector & 0xff;
|
|
else
|
|
ret = s->hob_nsector;
|
|
break;
|
|
case 3:
|
|
if (!ide_if[0].bs && !ide_if[1].bs)
|
|
ret = 0;
|
|
else if (!hob)
|
|
ret = s->sector;
|
|
else
|
|
ret = s->hob_sector;
|
|
break;
|
|
case 4:
|
|
if (!ide_if[0].bs && !ide_if[1].bs)
|
|
ret = 0;
|
|
else if (!hob)
|
|
ret = s->lcyl;
|
|
else
|
|
ret = s->hob_lcyl;
|
|
break;
|
|
case 5:
|
|
if (!ide_if[0].bs && !ide_if[1].bs)
|
|
ret = 0;
|
|
else if (!hob)
|
|
ret = s->hcyl;
|
|
else
|
|
ret = s->hob_hcyl;
|
|
break;
|
|
case 6:
|
|
if (!ide_if[0].bs && !ide_if[1].bs)
|
|
ret = 0;
|
|
else
|
|
ret = s->select;
|
|
break;
|
|
default:
|
|
case 7:
|
|
if ((!ide_if[0].bs && !ide_if[1].bs) ||
|
|
(s != ide_if && !s->bs))
|
|
ret = 0;
|
|
else
|
|
ret = s->status;
|
|
qemu_irq_lower(s->irq);
|
|
break;
|
|
}
|
|
#ifdef DEBUG_IDE
|
|
printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
static uint32_t ide_status_read(void *opaque, uint32_t addr)
|
|
{
|
|
IDEState *ide_if = opaque;
|
|
IDEState *s = ide_if->cur_drive;
|
|
int ret;
|
|
|
|
if ((!ide_if[0].bs && !ide_if[1].bs) ||
|
|
(s != ide_if && !s->bs))
|
|
ret = 0;
|
|
else
|
|
ret = s->status;
|
|
#ifdef DEBUG_IDE
|
|
printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
|
|
#endif
|
|
return ret;
|
|
}
|
|
|
|
static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
IDEState *ide_if = opaque;
|
|
IDEState *s;
|
|
int i;
|
|
|
|
#ifdef DEBUG_IDE
|
|
printf("ide: write control addr=0x%x val=%02x\n", addr, val);
|
|
#endif
|
|
/* common for both drives */
|
|
if (!(ide_if[0].cmd & IDE_CMD_RESET) &&
|
|
(val & IDE_CMD_RESET)) {
|
|
/* reset low to high */
|
|
for(i = 0;i < 2; i++) {
|
|
s = &ide_if[i];
|
|
s->status = BUSY_STAT | SEEK_STAT;
|
|
s->error = 0x01;
|
|
}
|
|
} else if ((ide_if[0].cmd & IDE_CMD_RESET) &&
|
|
!(val & IDE_CMD_RESET)) {
|
|
/* high to low */
|
|
for(i = 0;i < 2; i++) {
|
|
s = &ide_if[i];
|
|
if (s->is_cdrom)
|
|
s->status = 0x00; /* NOTE: READY is _not_ set */
|
|
else
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_signature(s);
|
|
}
|
|
}
|
|
|
|
ide_if[0].cmd = val;
|
|
ide_if[1].cmd = val;
|
|
}
|
|
|
|
static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
IDEState *s = ((IDEState *)opaque)->cur_drive;
|
|
uint8_t *p;
|
|
|
|
/* PIO data access allowed only when DRQ bit is set */
|
|
if (!(s->status & DRQ_STAT))
|
|
return;
|
|
|
|
p = s->data_ptr;
|
|
*(uint16_t *)p = le16_to_cpu(val);
|
|
p += 2;
|
|
s->data_ptr = p;
|
|
if (p >= s->data_end)
|
|
s->end_transfer_func(s);
|
|
}
|
|
|
|
static uint32_t ide_data_readw(void *opaque, uint32_t addr)
|
|
{
|
|
IDEState *s = ((IDEState *)opaque)->cur_drive;
|
|
uint8_t *p;
|
|
int ret;
|
|
|
|
/* PIO data access allowed only when DRQ bit is set */
|
|
if (!(s->status & DRQ_STAT))
|
|
return 0;
|
|
|
|
p = s->data_ptr;
|
|
ret = cpu_to_le16(*(uint16_t *)p);
|
|
p += 2;
|
|
s->data_ptr = p;
|
|
if (p >= s->data_end)
|
|
s->end_transfer_func(s);
|
|
return ret;
|
|
}
|
|
|
|
static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
IDEState *s = ((IDEState *)opaque)->cur_drive;
|
|
uint8_t *p;
|
|
|
|
/* PIO data access allowed only when DRQ bit is set */
|
|
if (!(s->status & DRQ_STAT))
|
|
return;
|
|
|
|
p = s->data_ptr;
|
|
*(uint32_t *)p = le32_to_cpu(val);
|
|
p += 4;
|
|
s->data_ptr = p;
|
|
if (p >= s->data_end)
|
|
s->end_transfer_func(s);
|
|
}
|
|
|
|
static uint32_t ide_data_readl(void *opaque, uint32_t addr)
|
|
{
|
|
IDEState *s = ((IDEState *)opaque)->cur_drive;
|
|
uint8_t *p;
|
|
int ret;
|
|
|
|
/* PIO data access allowed only when DRQ bit is set */
|
|
if (!(s->status & DRQ_STAT))
|
|
return 0;
|
|
|
|
p = s->data_ptr;
|
|
ret = cpu_to_le32(*(uint32_t *)p);
|
|
p += 4;
|
|
s->data_ptr = p;
|
|
if (p >= s->data_end)
|
|
s->end_transfer_func(s);
|
|
return ret;
|
|
}
|
|
|
|
static void ide_dummy_transfer_stop(IDEState *s)
|
|
{
|
|
s->data_ptr = s->io_buffer;
|
|
s->data_end = s->io_buffer;
|
|
s->io_buffer[0] = 0xff;
|
|
s->io_buffer[1] = 0xff;
|
|
s->io_buffer[2] = 0xff;
|
|
s->io_buffer[3] = 0xff;
|
|
}
|
|
|
|
static void ide_reset(IDEState *s)
|
|
{
|
|
if (s->is_cf)
|
|
s->mult_sectors = 0;
|
|
else
|
|
s->mult_sectors = MAX_MULT_SECTORS;
|
|
s->cur_drive = s;
|
|
s->select = 0xa0;
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_signature(s);
|
|
/* init the transfer handler so that 0xffff is returned on data
|
|
accesses */
|
|
s->end_transfer_func = ide_dummy_transfer_stop;
|
|
ide_dummy_transfer_stop(s);
|
|
s->media_changed = 0;
|
|
}
|
|
|
|
static void ide_init2(IDEState *ide_state,
|
|
BlockDriverState *hd0, BlockDriverState *hd1,
|
|
qemu_irq irq)
|
|
{
|
|
IDEState *s;
|
|
static int drive_serial = 1;
|
|
int i, cylinders, heads, secs;
|
|
uint64_t nb_sectors;
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
s = ide_state + i;
|
|
s->io_buffer = qemu_memalign(512, IDE_DMA_BUF_SECTORS*512 + 4);
|
|
if (i == 0)
|
|
s->bs = hd0;
|
|
else
|
|
s->bs = hd1;
|
|
if (s->bs) {
|
|
bdrv_get_geometry(s->bs, &nb_sectors);
|
|
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
|
|
s->cylinders = cylinders;
|
|
s->heads = heads;
|
|
s->sectors = secs;
|
|
s->nb_sectors = nb_sectors;
|
|
|
|
if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) {
|
|
s->is_cdrom = 1;
|
|
bdrv_set_change_cb(s->bs, cdrom_change_cb, s);
|
|
}
|
|
}
|
|
s->drive_serial = drive_serial++;
|
|
strncpy(s->drive_serial_str, drive_get_serial(s->bs),
|
|
sizeof(s->drive_serial_str));
|
|
if (strlen(s->drive_serial_str) == 0)
|
|
snprintf(s->drive_serial_str, sizeof(s->drive_serial_str),
|
|
"QM%05d", s->drive_serial);
|
|
s->irq = irq;
|
|
s->sector_write_timer = qemu_new_timer(vm_clock,
|
|
ide_sector_write_timer_cb, s);
|
|
ide_reset(s);
|
|
}
|
|
}
|
|
|
|
static void ide_init_ioport(IDEState *ide_state, int iobase, int iobase2)
|
|
{
|
|
register_ioport_write(iobase, 8, 1, ide_ioport_write, ide_state);
|
|
register_ioport_read(iobase, 8, 1, ide_ioport_read, ide_state);
|
|
if (iobase2) {
|
|
register_ioport_read(iobase2, 1, 1, ide_status_read, ide_state);
|
|
register_ioport_write(iobase2, 1, 1, ide_cmd_write, ide_state);
|
|
}
|
|
|
|
/* data ports */
|
|
register_ioport_write(iobase, 2, 2, ide_data_writew, ide_state);
|
|
register_ioport_read(iobase, 2, 2, ide_data_readw, ide_state);
|
|
register_ioport_write(iobase, 4, 4, ide_data_writel, ide_state);
|
|
register_ioport_read(iobase, 4, 4, ide_data_readl, ide_state);
|
|
}
|
|
|
|
/* save per IDE drive data */
|
|
static void ide_save(QEMUFile* f, IDEState *s)
|
|
{
|
|
qemu_put_be32(f, s->mult_sectors);
|
|
qemu_put_be32(f, s->identify_set);
|
|
if (s->identify_set) {
|
|
qemu_put_buffer(f, (const uint8_t *)s->identify_data, 512);
|
|
}
|
|
qemu_put_8s(f, &s->feature);
|
|
qemu_put_8s(f, &s->error);
|
|
qemu_put_be32s(f, &s->nsector);
|
|
qemu_put_8s(f, &s->sector);
|
|
qemu_put_8s(f, &s->lcyl);
|
|
qemu_put_8s(f, &s->hcyl);
|
|
qemu_put_8s(f, &s->hob_feature);
|
|
qemu_put_8s(f, &s->hob_nsector);
|
|
qemu_put_8s(f, &s->hob_sector);
|
|
qemu_put_8s(f, &s->hob_lcyl);
|
|
qemu_put_8s(f, &s->hob_hcyl);
|
|
qemu_put_8s(f, &s->select);
|
|
qemu_put_8s(f, &s->status);
|
|
qemu_put_8s(f, &s->lba48);
|
|
|
|
qemu_put_8s(f, &s->sense_key);
|
|
qemu_put_8s(f, &s->asc);
|
|
/* XXX: if a transfer is pending, we do not save it yet */
|
|
}
|
|
|
|
/* load per IDE drive data */
|
|
static void ide_load(QEMUFile* f, IDEState *s)
|
|
{
|
|
s->mult_sectors=qemu_get_be32(f);
|
|
s->identify_set=qemu_get_be32(f);
|
|
if (s->identify_set) {
|
|
qemu_get_buffer(f, (uint8_t *)s->identify_data, 512);
|
|
}
|
|
qemu_get_8s(f, &s->feature);
|
|
qemu_get_8s(f, &s->error);
|
|
qemu_get_be32s(f, &s->nsector);
|
|
qemu_get_8s(f, &s->sector);
|
|
qemu_get_8s(f, &s->lcyl);
|
|
qemu_get_8s(f, &s->hcyl);
|
|
qemu_get_8s(f, &s->hob_feature);
|
|
qemu_get_8s(f, &s->hob_nsector);
|
|
qemu_get_8s(f, &s->hob_sector);
|
|
qemu_get_8s(f, &s->hob_lcyl);
|
|
qemu_get_8s(f, &s->hob_hcyl);
|
|
qemu_get_8s(f, &s->select);
|
|
qemu_get_8s(f, &s->status);
|
|
qemu_get_8s(f, &s->lba48);
|
|
|
|
qemu_get_8s(f, &s->sense_key);
|
|
qemu_get_8s(f, &s->asc);
|
|
/* XXX: if a transfer is pending, we do not save it yet */
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* ISA IDE definitions */
|
|
|
|
void isa_ide_init(int iobase, int iobase2, qemu_irq irq,
|
|
BlockDriverState *hd0, BlockDriverState *hd1)
|
|
{
|
|
IDEState *ide_state;
|
|
|
|
ide_state = qemu_mallocz(sizeof(IDEState) * 2);
|
|
|
|
ide_init2(ide_state, hd0, hd1, irq);
|
|
ide_init_ioport(ide_state, iobase, iobase2);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* PCI IDE definitions */
|
|
|
|
static void cmd646_update_irq(PCIIDEState *d);
|
|
|
|
static void ide_map(PCIDevice *pci_dev, int region_num,
|
|
uint32_t addr, uint32_t size, int type)
|
|
{
|
|
PCIIDEState *d = (PCIIDEState *)pci_dev;
|
|
IDEState *ide_state;
|
|
|
|
if (region_num <= 3) {
|
|
ide_state = &d->ide_if[(region_num >> 1) * 2];
|
|
if (region_num & 1) {
|
|
register_ioport_read(addr + 2, 1, 1, ide_status_read, ide_state);
|
|
register_ioport_write(addr + 2, 1, 1, ide_cmd_write, ide_state);
|
|
} else {
|
|
register_ioport_write(addr, 8, 1, ide_ioport_write, ide_state);
|
|
register_ioport_read(addr, 8, 1, ide_ioport_read, ide_state);
|
|
|
|
/* data ports */
|
|
register_ioport_write(addr, 2, 2, ide_data_writew, ide_state);
|
|
register_ioport_read(addr, 2, 2, ide_data_readw, ide_state);
|
|
register_ioport_write(addr, 4, 4, ide_data_writel, ide_state);
|
|
register_ioport_read(addr, 4, 4, ide_data_readl, ide_state);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ide_dma_start(IDEState *s, BlockDriverCompletionFunc *dma_cb)
|
|
{
|
|
BMDMAState *bm = s->bmdma;
|
|
if(!bm)
|
|
return;
|
|
bm->ide_if = s;
|
|
bm->dma_cb = dma_cb;
|
|
bm->cur_prd_last = 0;
|
|
bm->cur_prd_addr = 0;
|
|
bm->cur_prd_len = 0;
|
|
bm->sector_num = ide_get_sector(s);
|
|
bm->nsector = s->nsector;
|
|
if (bm->status & BM_STATUS_DMAING) {
|
|
bm->dma_cb(bm, 0);
|
|
}
|
|
}
|
|
|
|
static void ide_dma_restart(IDEState *s)
|
|
{
|
|
BMDMAState *bm = s->bmdma;
|
|
ide_set_sector(s, bm->sector_num);
|
|
s->io_buffer_index = 0;
|
|
s->io_buffer_size = 0;
|
|
s->nsector = bm->nsector;
|
|
bm->cur_addr = bm->addr;
|
|
bm->dma_cb = ide_write_dma_cb;
|
|
ide_dma_start(s, bm->dma_cb);
|
|
}
|
|
|
|
static void ide_dma_cancel(BMDMAState *bm)
|
|
{
|
|
if (bm->status & BM_STATUS_DMAING) {
|
|
bm->status &= ~BM_STATUS_DMAING;
|
|
/* cancel DMA request */
|
|
bm->ide_if = NULL;
|
|
bm->dma_cb = NULL;
|
|
if (bm->aiocb) {
|
|
#ifdef DEBUG_AIO
|
|
printf("aio_cancel\n");
|
|
#endif
|
|
bdrv_aio_cancel(bm->aiocb);
|
|
bm->aiocb = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
#ifdef DEBUG_IDE
|
|
printf("%s: 0x%08x\n", __func__, val);
|
|
#endif
|
|
if (!(val & BM_CMD_START)) {
|
|
/* XXX: do it better */
|
|
ide_dma_cancel(bm);
|
|
bm->cmd = val & 0x09;
|
|
} else {
|
|
if (!(bm->status & BM_STATUS_DMAING)) {
|
|
bm->status |= BM_STATUS_DMAING;
|
|
/* start dma transfer if possible */
|
|
if (bm->dma_cb)
|
|
bm->dma_cb(bm, 0);
|
|
}
|
|
bm->cmd = val & 0x09;
|
|
}
|
|
}
|
|
|
|
static uint32_t bmdma_readb(void *opaque, uint32_t addr)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
PCIIDEState *pci_dev;
|
|
uint32_t val;
|
|
|
|
switch(addr & 3) {
|
|
case 0:
|
|
val = bm->cmd;
|
|
break;
|
|
case 1:
|
|
pci_dev = bm->pci_dev;
|
|
if (pci_dev->type == IDE_TYPE_CMD646) {
|
|
val = pci_dev->dev.config[MRDMODE];
|
|
} else {
|
|
val = 0xff;
|
|
}
|
|
break;
|
|
case 2:
|
|
val = bm->status;
|
|
break;
|
|
case 3:
|
|
pci_dev = bm->pci_dev;
|
|
if (pci_dev->type == IDE_TYPE_CMD646) {
|
|
if (bm == &pci_dev->bmdma[0])
|
|
val = pci_dev->dev.config[UDIDETCR0];
|
|
else
|
|
val = pci_dev->dev.config[UDIDETCR1];
|
|
} else {
|
|
val = 0xff;
|
|
}
|
|
break;
|
|
default:
|
|
val = 0xff;
|
|
break;
|
|
}
|
|
#ifdef DEBUG_IDE
|
|
printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
PCIIDEState *pci_dev;
|
|
#ifdef DEBUG_IDE
|
|
printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
|
|
#endif
|
|
switch(addr & 3) {
|
|
case 1:
|
|
pci_dev = bm->pci_dev;
|
|
if (pci_dev->type == IDE_TYPE_CMD646) {
|
|
pci_dev->dev.config[MRDMODE] =
|
|
(pci_dev->dev.config[MRDMODE] & ~0x30) | (val & 0x30);
|
|
cmd646_update_irq(pci_dev);
|
|
}
|
|
break;
|
|
case 2:
|
|
bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
|
|
break;
|
|
case 3:
|
|
pci_dev = bm->pci_dev;
|
|
if (pci_dev->type == IDE_TYPE_CMD646) {
|
|
if (bm == &pci_dev->bmdma[0])
|
|
pci_dev->dev.config[UDIDETCR0] = val;
|
|
else
|
|
pci_dev->dev.config[UDIDETCR1] = val;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint32_t bmdma_addr_readb(void *opaque, uint32_t addr)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
uint32_t val;
|
|
val = (bm->addr >> ((addr & 3) * 8)) & 0xff;
|
|
#ifdef DEBUG_IDE
|
|
printf("%s: 0x%08x\n", __func__, val);
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
static void bmdma_addr_writeb(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
int shift = (addr & 3) * 8;
|
|
#ifdef DEBUG_IDE
|
|
printf("%s: 0x%08x\n", __func__, val);
|
|
#endif
|
|
bm->addr &= ~(0xFF << shift);
|
|
bm->addr |= ((val & 0xFF) << shift) & ~3;
|
|
bm->cur_addr = bm->addr;
|
|
}
|
|
|
|
static uint32_t bmdma_addr_readw(void *opaque, uint32_t addr)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
uint32_t val;
|
|
val = (bm->addr >> ((addr & 3) * 8)) & 0xffff;
|
|
#ifdef DEBUG_IDE
|
|
printf("%s: 0x%08x\n", __func__, val);
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
static void bmdma_addr_writew(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
int shift = (addr & 3) * 8;
|
|
#ifdef DEBUG_IDE
|
|
printf("%s: 0x%08x\n", __func__, val);
|
|
#endif
|
|
bm->addr &= ~(0xFFFF << shift);
|
|
bm->addr |= ((val & 0xFFFF) << shift) & ~3;
|
|
bm->cur_addr = bm->addr;
|
|
}
|
|
|
|
static uint32_t bmdma_addr_readl(void *opaque, uint32_t addr)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
uint32_t val;
|
|
val = bm->addr;
|
|
#ifdef DEBUG_IDE
|
|
printf("%s: 0x%08x\n", __func__, val);
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
static void bmdma_addr_writel(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
BMDMAState *bm = opaque;
|
|
#ifdef DEBUG_IDE
|
|
printf("%s: 0x%08x\n", __func__, val);
|
|
#endif
|
|
bm->addr = val & ~3;
|
|
bm->cur_addr = bm->addr;
|
|
}
|
|
|
|
static void bmdma_map(PCIDevice *pci_dev, int region_num,
|
|
uint32_t addr, uint32_t size, int type)
|
|
{
|
|
PCIIDEState *d = (PCIIDEState *)pci_dev;
|
|
int i;
|
|
|
|
for(i = 0;i < 2; i++) {
|
|
BMDMAState *bm = &d->bmdma[i];
|
|
d->ide_if[2 * i].bmdma = bm;
|
|
d->ide_if[2 * i + 1].bmdma = bm;
|
|
bm->pci_dev = (PCIIDEState *)pci_dev;
|
|
qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm);
|
|
|
|
register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm);
|
|
|
|
register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm);
|
|
register_ioport_read(addr, 4, 1, bmdma_readb, bm);
|
|
|
|
register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm);
|
|
register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm);
|
|
register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm);
|
|
register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm);
|
|
register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm);
|
|
register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm);
|
|
addr += 8;
|
|
}
|
|
}
|
|
|
|
static void pci_ide_save(QEMUFile* f, void *opaque)
|
|
{
|
|
PCIIDEState *d = opaque;
|
|
int i;
|
|
|
|
pci_device_save(&d->dev, f);
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
BMDMAState *bm = &d->bmdma[i];
|
|
uint8_t ifidx;
|
|
qemu_put_8s(f, &bm->cmd);
|
|
qemu_put_8s(f, &bm->status);
|
|
qemu_put_be32s(f, &bm->addr);
|
|
qemu_put_sbe64s(f, &bm->sector_num);
|
|
qemu_put_be32s(f, &bm->nsector);
|
|
ifidx = bm->ide_if ? bm->ide_if - d->ide_if : 0;
|
|
qemu_put_8s(f, &ifidx);
|
|
/* XXX: if a transfer is pending, we do not save it yet */
|
|
}
|
|
|
|
/* per IDE interface data */
|
|
for(i = 0; i < 2; i++) {
|
|
IDEState *s = &d->ide_if[i * 2];
|
|
uint8_t drive1_selected;
|
|
qemu_put_8s(f, &s->cmd);
|
|
drive1_selected = (s->cur_drive != s);
|
|
qemu_put_8s(f, &drive1_selected);
|
|
}
|
|
|
|
/* per IDE drive data */
|
|
for(i = 0; i < 4; i++) {
|
|
ide_save(f, &d->ide_if[i]);
|
|
}
|
|
}
|
|
|
|
static int pci_ide_load(QEMUFile* f, void *opaque, int version_id)
|
|
{
|
|
PCIIDEState *d = opaque;
|
|
int ret, i;
|
|
|
|
if (version_id != 2)
|
|
return -EINVAL;
|
|
ret = pci_device_load(&d->dev, f);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
BMDMAState *bm = &d->bmdma[i];
|
|
uint8_t ifidx;
|
|
qemu_get_8s(f, &bm->cmd);
|
|
qemu_get_8s(f, &bm->status);
|
|
qemu_get_be32s(f, &bm->addr);
|
|
qemu_get_sbe64s(f, &bm->sector_num);
|
|
qemu_get_be32s(f, &bm->nsector);
|
|
qemu_get_8s(f, &ifidx);
|
|
bm->ide_if = &d->ide_if[ifidx];
|
|
/* XXX: if a transfer is pending, we do not save it yet */
|
|
}
|
|
|
|
/* per IDE interface data */
|
|
for(i = 0; i < 2; i++) {
|
|
IDEState *s = &d->ide_if[i * 2];
|
|
uint8_t drive1_selected;
|
|
qemu_get_8s(f, &s->cmd);
|
|
qemu_get_8s(f, &drive1_selected);
|
|
s->cur_drive = &d->ide_if[i * 2 + (drive1_selected != 0)];
|
|
}
|
|
|
|
/* per IDE drive data */
|
|
for(i = 0; i < 4; i++) {
|
|
ide_load(f, &d->ide_if[i]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* XXX: call it also when the MRDMODE is changed from the PCI config
|
|
registers */
|
|
static void cmd646_update_irq(PCIIDEState *d)
|
|
{
|
|
int pci_level;
|
|
pci_level = ((d->dev.config[MRDMODE] & MRDMODE_INTR_CH0) &&
|
|
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH0)) ||
|
|
((d->dev.config[MRDMODE] & MRDMODE_INTR_CH1) &&
|
|
!(d->dev.config[MRDMODE] & MRDMODE_BLK_CH1));
|
|
qemu_set_irq(d->dev.irq[0], pci_level);
|
|
}
|
|
|
|
/* the PCI irq level is the logical OR of the two channels */
|
|
static void cmd646_set_irq(void *opaque, int channel, int level)
|
|
{
|
|
PCIIDEState *d = opaque;
|
|
int irq_mask;
|
|
|
|
irq_mask = MRDMODE_INTR_CH0 << channel;
|
|
if (level)
|
|
d->dev.config[MRDMODE] |= irq_mask;
|
|
else
|
|
d->dev.config[MRDMODE] &= ~irq_mask;
|
|
cmd646_update_irq(d);
|
|
}
|
|
|
|
static void cmd646_reset(void *opaque)
|
|
{
|
|
PCIIDEState *d = opaque;
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
ide_dma_cancel(&d->bmdma[i]);
|
|
}
|
|
|
|
/* CMD646 PCI IDE controller */
|
|
void pci_cmd646_ide_init(PCIBus *bus, BlockDriverState **hd_table,
|
|
int secondary_ide_enabled)
|
|
{
|
|
PCIIDEState *d;
|
|
uint8_t *pci_conf;
|
|
int i;
|
|
qemu_irq *irq;
|
|
|
|
d = (PCIIDEState *)pci_register_device(bus, "CMD646 IDE",
|
|
sizeof(PCIIDEState),
|
|
-1,
|
|
NULL, NULL);
|
|
d->type = IDE_TYPE_CMD646;
|
|
pci_conf = d->dev.config;
|
|
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_CMD);
|
|
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_CMD_646);
|
|
|
|
pci_conf[0x08] = 0x07; // IDE controller revision
|
|
pci_conf[0x09] = 0x8f;
|
|
|
|
pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE);
|
|
pci_conf[0x0e] = 0x00; // header_type
|
|
|
|
pci_conf[0x51] = 0x04; // enable IDE0
|
|
if (secondary_ide_enabled) {
|
|
/* XXX: if not enabled, really disable the seconday IDE controller */
|
|
pci_conf[0x51] |= 0x08; /* enable IDE1 */
|
|
}
|
|
|
|
pci_register_io_region((PCIDevice *)d, 0, 0x8,
|
|
PCI_ADDRESS_SPACE_IO, ide_map);
|
|
pci_register_io_region((PCIDevice *)d, 1, 0x4,
|
|
PCI_ADDRESS_SPACE_IO, ide_map);
|
|
pci_register_io_region((PCIDevice *)d, 2, 0x8,
|
|
PCI_ADDRESS_SPACE_IO, ide_map);
|
|
pci_register_io_region((PCIDevice *)d, 3, 0x4,
|
|
PCI_ADDRESS_SPACE_IO, ide_map);
|
|
pci_register_io_region((PCIDevice *)d, 4, 0x10,
|
|
PCI_ADDRESS_SPACE_IO, bmdma_map);
|
|
|
|
pci_conf[0x3d] = 0x01; // interrupt on pin 1
|
|
|
|
for(i = 0; i < 4; i++)
|
|
d->ide_if[i].pci_dev = (PCIDevice *)d;
|
|
|
|
irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
|
|
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], irq[0]);
|
|
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], irq[1]);
|
|
|
|
register_savevm("ide", 0, 2, pci_ide_save, pci_ide_load, d);
|
|
qemu_register_reset(cmd646_reset, d);
|
|
cmd646_reset(d);
|
|
}
|
|
|
|
static void piix3_reset(void *opaque)
|
|
{
|
|
PCIIDEState *d = opaque;
|
|
uint8_t *pci_conf = d->dev.config;
|
|
int i;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
ide_dma_cancel(&d->bmdma[i]);
|
|
|
|
pci_conf[0x04] = 0x00;
|
|
pci_conf[0x05] = 0x00;
|
|
pci_conf[0x06] = 0x80; /* FBC */
|
|
pci_conf[0x07] = 0x02; // PCI_status_devsel_medium
|
|
pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */
|
|
}
|
|
|
|
/* hd_table must contain 4 block drivers */
|
|
/* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
|
|
void pci_piix3_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn,
|
|
qemu_irq *pic)
|
|
{
|
|
PCIIDEState *d;
|
|
uint8_t *pci_conf;
|
|
int i;
|
|
|
|
/* register a function 1 of PIIX3 */
|
|
d = (PCIIDEState *)pci_register_device(bus, "PIIX3 IDE",
|
|
sizeof(PCIIDEState),
|
|
devfn,
|
|
NULL, NULL);
|
|
d->type = IDE_TYPE_PIIX3;
|
|
|
|
pci_conf = d->dev.config;
|
|
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
|
|
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371SB_1);
|
|
pci_conf[0x09] = 0x80; // legacy ATA mode
|
|
pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE);
|
|
pci_conf[0x0e] = 0x00; // header_type
|
|
|
|
qemu_register_reset(piix3_reset, d);
|
|
piix3_reset(d);
|
|
|
|
pci_register_io_region((PCIDevice *)d, 4, 0x10,
|
|
PCI_ADDRESS_SPACE_IO, bmdma_map);
|
|
|
|
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]);
|
|
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]);
|
|
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
|
|
ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
|
|
|
|
for (i = 0; i < 4; i++)
|
|
if (hd_table[i])
|
|
hd_table[i]->private = &d->dev;
|
|
|
|
register_savevm("ide", 0, 2, pci_ide_save, pci_ide_load, d);
|
|
}
|
|
|
|
/* hd_table must contain 4 block drivers */
|
|
/* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */
|
|
void pci_piix4_ide_init(PCIBus *bus, BlockDriverState **hd_table, int devfn,
|
|
qemu_irq *pic)
|
|
{
|
|
PCIIDEState *d;
|
|
uint8_t *pci_conf;
|
|
|
|
/* register a function 1 of PIIX4 */
|
|
d = (PCIIDEState *)pci_register_device(bus, "PIIX4 IDE",
|
|
sizeof(PCIIDEState),
|
|
devfn,
|
|
NULL, NULL);
|
|
d->type = IDE_TYPE_PIIX4;
|
|
|
|
pci_conf = d->dev.config;
|
|
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
|
|
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB);
|
|
pci_conf[0x09] = 0x80; // legacy ATA mode
|
|
pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE);
|
|
pci_conf[0x0e] = 0x00; // header_type
|
|
|
|
qemu_register_reset(piix3_reset, d);
|
|
piix3_reset(d);
|
|
|
|
pci_register_io_region((PCIDevice *)d, 4, 0x10,
|
|
PCI_ADDRESS_SPACE_IO, bmdma_map);
|
|
|
|
ide_init2(&d->ide_if[0], hd_table[0], hd_table[1], pic[14]);
|
|
ide_init2(&d->ide_if[2], hd_table[2], hd_table[3], pic[15]);
|
|
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
|
|
ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
|
|
|
|
register_savevm("ide", 0, 2, pci_ide_save, pci_ide_load, d);
|
|
}
|
|
|
|
#if defined(TARGET_PPC)
|
|
/***********************************************************/
|
|
/* MacIO based PowerPC IDE */
|
|
|
|
typedef struct MACIOIDEState {
|
|
IDEState ide_if[2];
|
|
BlockDriverAIOCB *aiocb;
|
|
} MACIOIDEState;
|
|
|
|
static void pmac_ide_atapi_transfer_cb(void *opaque, int ret)
|
|
{
|
|
DBDMA_io *io = opaque;
|
|
MACIOIDEState *m = io->opaque;
|
|
IDEState *s = m->ide_if->cur_drive;
|
|
|
|
if (ret < 0) {
|
|
m->aiocb = NULL;
|
|
qemu_sglist_destroy(&s->sg);
|
|
ide_atapi_io_error(s, ret);
|
|
io->dma_end(opaque);
|
|
return;
|
|
}
|
|
|
|
if (s->io_buffer_size > 0) {
|
|
m->aiocb = NULL;
|
|
qemu_sglist_destroy(&s->sg);
|
|
|
|
s->packet_transfer_size -= s->io_buffer_size;
|
|
|
|
s->io_buffer_index += s->io_buffer_size;
|
|
s->lba += s->io_buffer_index >> 11;
|
|
s->io_buffer_index &= 0x7ff;
|
|
}
|
|
|
|
if (s->packet_transfer_size <= 0)
|
|
ide_atapi_cmd_ok(s);
|
|
|
|
if (io->len == 0) {
|
|
io->dma_end(opaque);
|
|
return;
|
|
}
|
|
|
|
/* launch next transfer */
|
|
|
|
s->io_buffer_size = io->len;
|
|
|
|
qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1);
|
|
qemu_sglist_add(&s->sg, io->addr, io->len);
|
|
io->addr += io->len;
|
|
io->len = 0;
|
|
|
|
m->aiocb = dma_bdrv_read(s->bs, &s->sg,
|
|
(int64_t)(s->lba << 2) + (s->io_buffer_index >> 9),
|
|
pmac_ide_atapi_transfer_cb, io);
|
|
if (!m->aiocb) {
|
|
qemu_sglist_destroy(&s->sg);
|
|
/* Note: media not present is the most likely case */
|
|
ide_atapi_cmd_error(s, SENSE_NOT_READY,
|
|
ASC_MEDIUM_NOT_PRESENT);
|
|
io->dma_end(opaque);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void pmac_ide_transfer_cb(void *opaque, int ret)
|
|
{
|
|
DBDMA_io *io = opaque;
|
|
MACIOIDEState *m = io->opaque;
|
|
IDEState *s = m->ide_if->cur_drive;
|
|
int n;
|
|
int64_t sector_num;
|
|
|
|
if (ret < 0) {
|
|
m->aiocb = NULL;
|
|
qemu_sglist_destroy(&s->sg);
|
|
ide_dma_error(s);
|
|
io->dma_end(io);
|
|
return;
|
|
}
|
|
|
|
sector_num = ide_get_sector(s);
|
|
if (s->io_buffer_size > 0) {
|
|
m->aiocb = NULL;
|
|
qemu_sglist_destroy(&s->sg);
|
|
n = (s->io_buffer_size + 0x1ff) >> 9;
|
|
sector_num += n;
|
|
ide_set_sector(s, sector_num);
|
|
s->nsector -= n;
|
|
}
|
|
|
|
/* end of transfer ? */
|
|
if (s->nsector == 0) {
|
|
s->status = READY_STAT | SEEK_STAT;
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
/* end of DMA ? */
|
|
|
|
if (io->len == 0) {
|
|
io->dma_end(io);
|
|
return;
|
|
}
|
|
|
|
/* launch next transfer */
|
|
|
|
s->io_buffer_index = 0;
|
|
s->io_buffer_size = io->len;
|
|
|
|
qemu_sglist_init(&s->sg, io->len / TARGET_PAGE_SIZE + 1);
|
|
qemu_sglist_add(&s->sg, io->addr, io->len);
|
|
io->addr += io->len;
|
|
io->len = 0;
|
|
|
|
if (s->is_read)
|
|
m->aiocb = dma_bdrv_read(s->bs, &s->sg, sector_num,
|
|
pmac_ide_transfer_cb, io);
|
|
else
|
|
m->aiocb = dma_bdrv_write(s->bs, &s->sg, sector_num,
|
|
pmac_ide_transfer_cb, io);
|
|
if (!m->aiocb)
|
|
pmac_ide_transfer_cb(io, -1);
|
|
}
|
|
|
|
static void pmac_ide_transfer(DBDMA_io *io)
|
|
{
|
|
MACIOIDEState *m = io->opaque;
|
|
IDEState *s = m->ide_if->cur_drive;
|
|
|
|
s->io_buffer_size = 0;
|
|
if (s->is_cdrom) {
|
|
pmac_ide_atapi_transfer_cb(io, 0);
|
|
return;
|
|
}
|
|
|
|
pmac_ide_transfer_cb(io, 0);
|
|
}
|
|
|
|
static void pmac_ide_flush(DBDMA_io *io)
|
|
{
|
|
MACIOIDEState *m = io->opaque;
|
|
|
|
if (m->aiocb)
|
|
qemu_aio_flush();
|
|
}
|
|
|
|
/* PowerMac IDE memory IO */
|
|
static void pmac_ide_writeb (void *opaque,
|
|
target_phys_addr_t addr, uint32_t val)
|
|
{
|
|
MACIOIDEState *d = opaque;
|
|
|
|
addr = (addr & 0xFFF) >> 4;
|
|
switch (addr) {
|
|
case 1 ... 7:
|
|
ide_ioport_write(d->ide_if, addr, val);
|
|
break;
|
|
case 8:
|
|
case 22:
|
|
ide_cmd_write(d->ide_if, 0, val);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr)
|
|
{
|
|
uint8_t retval;
|
|
MACIOIDEState *d = opaque;
|
|
|
|
addr = (addr & 0xFFF) >> 4;
|
|
switch (addr) {
|
|
case 1 ... 7:
|
|
retval = ide_ioport_read(d->ide_if, addr);
|
|
break;
|
|
case 8:
|
|
case 22:
|
|
retval = ide_status_read(d->ide_if, 0);
|
|
break;
|
|
default:
|
|
retval = 0xFF;
|
|
break;
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
static void pmac_ide_writew (void *opaque,
|
|
target_phys_addr_t addr, uint32_t val)
|
|
{
|
|
MACIOIDEState *d = opaque;
|
|
|
|
addr = (addr & 0xFFF) >> 4;
|
|
#ifdef TARGET_WORDS_BIGENDIAN
|
|
val = bswap16(val);
|
|
#endif
|
|
if (addr == 0) {
|
|
ide_data_writew(d->ide_if, 0, val);
|
|
}
|
|
}
|
|
|
|
static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr)
|
|
{
|
|
uint16_t retval;
|
|
MACIOIDEState *d = opaque;
|
|
|
|
addr = (addr & 0xFFF) >> 4;
|
|
if (addr == 0) {
|
|
retval = ide_data_readw(d->ide_if, 0);
|
|
} else {
|
|
retval = 0xFFFF;
|
|
}
|
|
#ifdef TARGET_WORDS_BIGENDIAN
|
|
retval = bswap16(retval);
|
|
#endif
|
|
return retval;
|
|
}
|
|
|
|
static void pmac_ide_writel (void *opaque,
|
|
target_phys_addr_t addr, uint32_t val)
|
|
{
|
|
MACIOIDEState *d = opaque;
|
|
|
|
addr = (addr & 0xFFF) >> 4;
|
|
#ifdef TARGET_WORDS_BIGENDIAN
|
|
val = bswap32(val);
|
|
#endif
|
|
if (addr == 0) {
|
|
ide_data_writel(d->ide_if, 0, val);
|
|
}
|
|
}
|
|
|
|
static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr)
|
|
{
|
|
uint32_t retval;
|
|
MACIOIDEState *d = opaque;
|
|
|
|
addr = (addr & 0xFFF) >> 4;
|
|
if (addr == 0) {
|
|
retval = ide_data_readl(d->ide_if, 0);
|
|
} else {
|
|
retval = 0xFFFFFFFF;
|
|
}
|
|
#ifdef TARGET_WORDS_BIGENDIAN
|
|
retval = bswap32(retval);
|
|
#endif
|
|
return retval;
|
|
}
|
|
|
|
static CPUWriteMemoryFunc *pmac_ide_write[] = {
|
|
pmac_ide_writeb,
|
|
pmac_ide_writew,
|
|
pmac_ide_writel,
|
|
};
|
|
|
|
static CPUReadMemoryFunc *pmac_ide_read[] = {
|
|
pmac_ide_readb,
|
|
pmac_ide_readw,
|
|
pmac_ide_readl,
|
|
};
|
|
|
|
static void pmac_ide_save(QEMUFile *f, void *opaque)
|
|
{
|
|
MACIOIDEState *d = opaque;
|
|
IDEState *s = d->ide_if;
|
|
uint8_t drive1_selected;
|
|
unsigned int i;
|
|
|
|
/* per IDE interface data */
|
|
qemu_put_8s(f, &s->cmd);
|
|
drive1_selected = (s->cur_drive != s);
|
|
qemu_put_8s(f, &drive1_selected);
|
|
|
|
/* per IDE drive data */
|
|
for(i = 0; i < 2; i++) {
|
|
ide_save(f, &s[i]);
|
|
}
|
|
}
|
|
|
|
static int pmac_ide_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
MACIOIDEState *d = opaque;
|
|
IDEState *s = d->ide_if;
|
|
uint8_t drive1_selected;
|
|
unsigned int i;
|
|
|
|
if (version_id != 1)
|
|
return -EINVAL;
|
|
|
|
/* per IDE interface data */
|
|
qemu_get_8s(f, &s->cmd);
|
|
qemu_get_8s(f, &drive1_selected);
|
|
s->cur_drive = &s[(drive1_selected != 0)];
|
|
|
|
/* per IDE drive data */
|
|
for(i = 0; i < 2; i++) {
|
|
ide_load(f, &s[i]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void pmac_ide_reset(void *opaque)
|
|
{
|
|
MACIOIDEState *d = opaque;
|
|
IDEState *s = d->ide_if;
|
|
|
|
ide_reset(&s[0]);
|
|
ide_reset(&s[1]);
|
|
}
|
|
|
|
/* hd_table must contain 4 block drivers */
|
|
/* PowerMac uses memory mapped registers, not I/O. Return the memory
|
|
I/O index to access the ide. */
|
|
int pmac_ide_init (BlockDriverState **hd_table, qemu_irq irq,
|
|
void *dbdma, int channel, qemu_irq dma_irq)
|
|
{
|
|
MACIOIDEState *d;
|
|
int pmac_ide_memory;
|
|
|
|
d = qemu_mallocz(sizeof(MACIOIDEState));
|
|
ide_init2(d->ide_if, hd_table[0], hd_table[1], irq);
|
|
|
|
if (dbdma)
|
|
DBDMA_register_channel(dbdma, channel, dma_irq, pmac_ide_transfer, pmac_ide_flush, d);
|
|
|
|
pmac_ide_memory = cpu_register_io_memory(0, pmac_ide_read,
|
|
pmac_ide_write, d);
|
|
register_savevm("ide", 0, 1, pmac_ide_save, pmac_ide_load, d);
|
|
qemu_register_reset(pmac_ide_reset, d);
|
|
pmac_ide_reset(d);
|
|
|
|
return pmac_ide_memory;
|
|
}
|
|
#endif /* TARGET_PPC */
|
|
|
|
/***********************************************************/
|
|
/* MMIO based ide port
|
|
* This emulates IDE device connected directly to the CPU bus without
|
|
* dedicated ide controller, which is often seen on embedded boards.
|
|
*/
|
|
|
|
typedef struct {
|
|
void *dev;
|
|
int shift;
|
|
} MMIOState;
|
|
|
|
static uint32_t mmio_ide_read (void *opaque, target_phys_addr_t addr)
|
|
{
|
|
MMIOState *s = (MMIOState*)opaque;
|
|
IDEState *ide = (IDEState*)s->dev;
|
|
addr >>= s->shift;
|
|
if (addr & 7)
|
|
return ide_ioport_read(ide, addr);
|
|
else
|
|
return ide_data_readw(ide, 0);
|
|
}
|
|
|
|
static void mmio_ide_write (void *opaque, target_phys_addr_t addr,
|
|
uint32_t val)
|
|
{
|
|
MMIOState *s = (MMIOState*)opaque;
|
|
IDEState *ide = (IDEState*)s->dev;
|
|
addr >>= s->shift;
|
|
if (addr & 7)
|
|
ide_ioport_write(ide, addr, val);
|
|
else
|
|
ide_data_writew(ide, 0, val);
|
|
}
|
|
|
|
static CPUReadMemoryFunc *mmio_ide_reads[] = {
|
|
mmio_ide_read,
|
|
mmio_ide_read,
|
|
mmio_ide_read,
|
|
};
|
|
|
|
static CPUWriteMemoryFunc *mmio_ide_writes[] = {
|
|
mmio_ide_write,
|
|
mmio_ide_write,
|
|
mmio_ide_write,
|
|
};
|
|
|
|
static uint32_t mmio_ide_status_read (void *opaque, target_phys_addr_t addr)
|
|
{
|
|
MMIOState *s= (MMIOState*)opaque;
|
|
IDEState *ide = (IDEState*)s->dev;
|
|
return ide_status_read(ide, 0);
|
|
}
|
|
|
|
static void mmio_ide_cmd_write (void *opaque, target_phys_addr_t addr,
|
|
uint32_t val)
|
|
{
|
|
MMIOState *s = (MMIOState*)opaque;
|
|
IDEState *ide = (IDEState*)s->dev;
|
|
ide_cmd_write(ide, 0, val);
|
|
}
|
|
|
|
static CPUReadMemoryFunc *mmio_ide_status[] = {
|
|
mmio_ide_status_read,
|
|
mmio_ide_status_read,
|
|
mmio_ide_status_read,
|
|
};
|
|
|
|
static CPUWriteMemoryFunc *mmio_ide_cmd[] = {
|
|
mmio_ide_cmd_write,
|
|
mmio_ide_cmd_write,
|
|
mmio_ide_cmd_write,
|
|
};
|
|
|
|
void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2,
|
|
qemu_irq irq, int shift,
|
|
BlockDriverState *hd0, BlockDriverState *hd1)
|
|
{
|
|
MMIOState *s = qemu_mallocz(sizeof(MMIOState));
|
|
IDEState *ide = qemu_mallocz(sizeof(IDEState) * 2);
|
|
int mem1, mem2;
|
|
|
|
ide_init2(ide, hd0, hd1, irq);
|
|
|
|
s->dev = ide;
|
|
s->shift = shift;
|
|
|
|
mem1 = cpu_register_io_memory(0, mmio_ide_reads, mmio_ide_writes, s);
|
|
mem2 = cpu_register_io_memory(0, mmio_ide_status, mmio_ide_cmd, s);
|
|
cpu_register_physical_memory(membase, 16 << shift, mem1);
|
|
cpu_register_physical_memory(membase2, 2 << shift, mem2);
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* CF-ATA Microdrive */
|
|
|
|
#define METADATA_SIZE 0x20
|
|
|
|
/* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */
|
|
struct md_s {
|
|
IDEState ide[2];
|
|
struct pcmcia_card_s card;
|
|
uint32_t attr_base;
|
|
uint32_t io_base;
|
|
|
|
/* Card state */
|
|
uint8_t opt;
|
|
uint8_t stat;
|
|
uint8_t pins;
|
|
|
|
uint8_t ctrl;
|
|
uint16_t io;
|
|
int cycle;
|
|
};
|
|
|
|
/* Register bitfields */
|
|
enum md_opt {
|
|
OPT_MODE_MMAP = 0,
|
|
OPT_MODE_IOMAP16 = 1,
|
|
OPT_MODE_IOMAP1 = 2,
|
|
OPT_MODE_IOMAP2 = 3,
|
|
OPT_MODE = 0x3f,
|
|
OPT_LEVIREQ = 0x40,
|
|
OPT_SRESET = 0x80,
|
|
};
|
|
enum md_cstat {
|
|
STAT_INT = 0x02,
|
|
STAT_PWRDWN = 0x04,
|
|
STAT_XE = 0x10,
|
|
STAT_IOIS8 = 0x20,
|
|
STAT_SIGCHG = 0x40,
|
|
STAT_CHANGED = 0x80,
|
|
};
|
|
enum md_pins {
|
|
PINS_MRDY = 0x02,
|
|
PINS_CRDY = 0x20,
|
|
};
|
|
enum md_ctrl {
|
|
CTRL_IEN = 0x02,
|
|
CTRL_SRST = 0x04,
|
|
};
|
|
|
|
static inline void md_interrupt_update(struct md_s *s)
|
|
{
|
|
if (!s->card.slot)
|
|
return;
|
|
|
|
qemu_set_irq(s->card.slot->irq,
|
|
!(s->stat & STAT_INT) && /* Inverted */
|
|
!(s->ctrl & (CTRL_IEN | CTRL_SRST)) &&
|
|
!(s->opt & OPT_SRESET));
|
|
}
|
|
|
|
static void md_set_irq(void *opaque, int irq, int level)
|
|
{
|
|
struct md_s *s = (struct md_s *) opaque;
|
|
if (level)
|
|
s->stat |= STAT_INT;
|
|
else
|
|
s->stat &= ~STAT_INT;
|
|
|
|
md_interrupt_update(s);
|
|
}
|
|
|
|
static void md_reset(struct md_s *s)
|
|
{
|
|
s->opt = OPT_MODE_MMAP;
|
|
s->stat = 0;
|
|
s->pins = 0;
|
|
s->cycle = 0;
|
|
s->ctrl = 0;
|
|
ide_reset(s->ide);
|
|
}
|
|
|
|
static uint8_t md_attr_read(void *opaque, uint32_t at)
|
|
{
|
|
struct md_s *s = (struct md_s *) opaque;
|
|
if (at < s->attr_base) {
|
|
if (at < s->card.cis_len)
|
|
return s->card.cis[at];
|
|
else
|
|
return 0x00;
|
|
}
|
|
|
|
at -= s->attr_base;
|
|
|
|
switch (at) {
|
|
case 0x00: /* Configuration Option Register */
|
|
return s->opt;
|
|
case 0x02: /* Card Configuration Status Register */
|
|
if (s->ctrl & CTRL_IEN)
|
|
return s->stat & ~STAT_INT;
|
|
else
|
|
return s->stat;
|
|
case 0x04: /* Pin Replacement Register */
|
|
return (s->pins & PINS_CRDY) | 0x0c;
|
|
case 0x06: /* Socket and Copy Register */
|
|
return 0x00;
|
|
#ifdef VERBOSE
|
|
default:
|
|
printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void md_attr_write(void *opaque, uint32_t at, uint8_t value)
|
|
{
|
|
struct md_s *s = (struct md_s *) opaque;
|
|
at -= s->attr_base;
|
|
|
|
switch (at) {
|
|
case 0x00: /* Configuration Option Register */
|
|
s->opt = value & 0xcf;
|
|
if (value & OPT_SRESET)
|
|
md_reset(s);
|
|
md_interrupt_update(s);
|
|
break;
|
|
case 0x02: /* Card Configuration Status Register */
|
|
if ((s->stat ^ value) & STAT_PWRDWN)
|
|
s->pins |= PINS_CRDY;
|
|
s->stat &= 0x82;
|
|
s->stat |= value & 0x74;
|
|
md_interrupt_update(s);
|
|
/* Word 170 in Identify Device must be equal to STAT_XE */
|
|
break;
|
|
case 0x04: /* Pin Replacement Register */
|
|
s->pins &= PINS_CRDY;
|
|
s->pins |= value & PINS_MRDY;
|
|
break;
|
|
case 0x06: /* Socket and Copy Register */
|
|
break;
|
|
default:
|
|
printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at);
|
|
}
|
|
}
|
|
|
|
static uint16_t md_common_read(void *opaque, uint32_t at)
|
|
{
|
|
struct md_s *s = (struct md_s *) opaque;
|
|
uint16_t ret;
|
|
at -= s->io_base;
|
|
|
|
switch (s->opt & OPT_MODE) {
|
|
case OPT_MODE_MMAP:
|
|
if ((at & ~0x3ff) == 0x400)
|
|
at = 0;
|
|
break;
|
|
case OPT_MODE_IOMAP16:
|
|
at &= 0xf;
|
|
break;
|
|
case OPT_MODE_IOMAP1:
|
|
if ((at & ~0xf) == 0x3f0)
|
|
at -= 0x3e8;
|
|
else if ((at & ~0xf) == 0x1f0)
|
|
at -= 0x1f0;
|
|
break;
|
|
case OPT_MODE_IOMAP2:
|
|
if ((at & ~0xf) == 0x370)
|
|
at -= 0x368;
|
|
else if ((at & ~0xf) == 0x170)
|
|
at -= 0x170;
|
|
}
|
|
|
|
switch (at) {
|
|
case 0x0: /* Even RD Data */
|
|
case 0x8:
|
|
return ide_data_readw(s->ide, 0);
|
|
|
|
/* TODO: 8-bit accesses */
|
|
if (s->cycle)
|
|
ret = s->io >> 8;
|
|
else {
|
|
s->io = ide_data_readw(s->ide, 0);
|
|
ret = s->io & 0xff;
|
|
}
|
|
s->cycle = !s->cycle;
|
|
return ret;
|
|
case 0x9: /* Odd RD Data */
|
|
return s->io >> 8;
|
|
case 0xd: /* Error */
|
|
return ide_ioport_read(s->ide, 0x1);
|
|
case 0xe: /* Alternate Status */
|
|
if (s->ide->cur_drive->bs)
|
|
return s->ide->cur_drive->status;
|
|
else
|
|
return 0;
|
|
case 0xf: /* Device Address */
|
|
return 0xc2 | ((~s->ide->select << 2) & 0x3c);
|
|
default:
|
|
return ide_ioport_read(s->ide, at);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void md_common_write(void *opaque, uint32_t at, uint16_t value)
|
|
{
|
|
struct md_s *s = (struct md_s *) opaque;
|
|
at -= s->io_base;
|
|
|
|
switch (s->opt & OPT_MODE) {
|
|
case OPT_MODE_MMAP:
|
|
if ((at & ~0x3ff) == 0x400)
|
|
at = 0;
|
|
break;
|
|
case OPT_MODE_IOMAP16:
|
|
at &= 0xf;
|
|
break;
|
|
case OPT_MODE_IOMAP1:
|
|
if ((at & ~0xf) == 0x3f0)
|
|
at -= 0x3e8;
|
|
else if ((at & ~0xf) == 0x1f0)
|
|
at -= 0x1f0;
|
|
break;
|
|
case OPT_MODE_IOMAP2:
|
|
if ((at & ~0xf) == 0x370)
|
|
at -= 0x368;
|
|
else if ((at & ~0xf) == 0x170)
|
|
at -= 0x170;
|
|
}
|
|
|
|
switch (at) {
|
|
case 0x0: /* Even WR Data */
|
|
case 0x8:
|
|
ide_data_writew(s->ide, 0, value);
|
|
break;
|
|
|
|
/* TODO: 8-bit accesses */
|
|
if (s->cycle)
|
|
ide_data_writew(s->ide, 0, s->io | (value << 8));
|
|
else
|
|
s->io = value & 0xff;
|
|
s->cycle = !s->cycle;
|
|
break;
|
|
case 0x9:
|
|
s->io = value & 0xff;
|
|
s->cycle = !s->cycle;
|
|
break;
|
|
case 0xd: /* Features */
|
|
ide_ioport_write(s->ide, 0x1, value);
|
|
break;
|
|
case 0xe: /* Device Control */
|
|
s->ctrl = value;
|
|
if (value & CTRL_SRST)
|
|
md_reset(s);
|
|
md_interrupt_update(s);
|
|
break;
|
|
default:
|
|
if (s->stat & STAT_PWRDWN) {
|
|
s->pins |= PINS_CRDY;
|
|
s->stat &= ~STAT_PWRDWN;
|
|
}
|
|
ide_ioport_write(s->ide, at, value);
|
|
}
|
|
}
|
|
|
|
static void md_save(QEMUFile *f, void *opaque)
|
|
{
|
|
struct md_s *s = (struct md_s *) opaque;
|
|
int i;
|
|
uint8_t drive1_selected;
|
|
|
|
qemu_put_8s(f, &s->opt);
|
|
qemu_put_8s(f, &s->stat);
|
|
qemu_put_8s(f, &s->pins);
|
|
|
|
qemu_put_8s(f, &s->ctrl);
|
|
qemu_put_be16s(f, &s->io);
|
|
qemu_put_byte(f, s->cycle);
|
|
|
|
drive1_selected = (s->ide->cur_drive != s->ide);
|
|
qemu_put_8s(f, &s->ide->cmd);
|
|
qemu_put_8s(f, &drive1_selected);
|
|
|
|
for (i = 0; i < 2; i ++)
|
|
ide_save(f, &s->ide[i]);
|
|
}
|
|
|
|
static int md_load(QEMUFile *f, void *opaque, int version_id)
|
|
{
|
|
struct md_s *s = (struct md_s *) opaque;
|
|
int i;
|
|
uint8_t drive1_selected;
|
|
|
|
qemu_get_8s(f, &s->opt);
|
|
qemu_get_8s(f, &s->stat);
|
|
qemu_get_8s(f, &s->pins);
|
|
|
|
qemu_get_8s(f, &s->ctrl);
|
|
qemu_get_be16s(f, &s->io);
|
|
s->cycle = qemu_get_byte(f);
|
|
|
|
qemu_get_8s(f, &s->ide->cmd);
|
|
qemu_get_8s(f, &drive1_selected);
|
|
s->ide->cur_drive = &s->ide[(drive1_selected != 0)];
|
|
|
|
for (i = 0; i < 2; i ++)
|
|
ide_load(f, &s->ide[i]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const uint8_t dscm1xxxx_cis[0x14a] = {
|
|
[0x000] = CISTPL_DEVICE, /* 5V Device Information */
|
|
[0x002] = 0x03, /* Tuple length = 4 bytes */
|
|
[0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
|
|
[0x006] = 0x01, /* Size = 2K bytes */
|
|
[0x008] = CISTPL_ENDMARK,
|
|
|
|
[0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */
|
|
[0x00c] = 0x04, /* Tuple length = 4 byest */
|
|
[0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */
|
|
[0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */
|
|
[0x012] = 0x01, /* Size = 2K bytes */
|
|
[0x014] = CISTPL_ENDMARK,
|
|
|
|
[0x016] = CISTPL_JEDEC_C, /* JEDEC ID */
|
|
[0x018] = 0x02, /* Tuple length = 2 bytes */
|
|
[0x01a] = 0xdf, /* PC Card ATA with no Vpp required */
|
|
[0x01c] = 0x01,
|
|
|
|
[0x01e] = CISTPL_MANFID, /* Manufacture ID */
|
|
[0x020] = 0x04, /* Tuple length = 4 bytes */
|
|
[0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */
|
|
[0x024] = 0x00,
|
|
[0x026] = 0x00, /* PLMID_CARD = 0000 */
|
|
[0x028] = 0x00,
|
|
|
|
[0x02a] = CISTPL_VERS_1, /* Level 1 Version */
|
|
[0x02c] = 0x12, /* Tuple length = 23 bytes */
|
|
[0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */
|
|
[0x030] = 0x01, /* Minor Version = 1 */
|
|
[0x032] = 'I',
|
|
[0x034] = 'B',
|
|
[0x036] = 'M',
|
|
[0x038] = 0x00,
|
|
[0x03a] = 'm',
|
|
[0x03c] = 'i',
|
|
[0x03e] = 'c',
|
|
[0x040] = 'r',
|
|
[0x042] = 'o',
|
|
[0x044] = 'd',
|
|
[0x046] = 'r',
|
|
[0x048] = 'i',
|
|
[0x04a] = 'v',
|
|
[0x04c] = 'e',
|
|
[0x04e] = 0x00,
|
|
[0x050] = CISTPL_ENDMARK,
|
|
|
|
[0x052] = CISTPL_FUNCID, /* Function ID */
|
|
[0x054] = 0x02, /* Tuple length = 2 bytes */
|
|
[0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */
|
|
[0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */
|
|
|
|
[0x05a] = CISTPL_FUNCE, /* Function Extension */
|
|
[0x05c] = 0x02, /* Tuple length = 2 bytes */
|
|
[0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */
|
|
[0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */
|
|
|
|
[0x062] = CISTPL_FUNCE, /* Function Extension */
|
|
[0x064] = 0x03, /* Tuple length = 3 bytes */
|
|
[0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */
|
|
[0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */
|
|
[0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */
|
|
|
|
[0x06c] = CISTPL_CONFIG, /* Configuration */
|
|
[0x06e] = 0x05, /* Tuple length = 5 bytes */
|
|
[0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */
|
|
[0x072] = 0x07, /* TPCC_LAST = 7 */
|
|
[0x074] = 0x00, /* TPCC_RADR = 0200 */
|
|
[0x076] = 0x02,
|
|
[0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */
|
|
|
|
[0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x07c] = 0x0b, /* Tuple length = 11 bytes */
|
|
[0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */
|
|
[0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */
|
|
[0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */
|
|
[0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
|
|
[0x086] = 0x55, /* NomV: 5.0 V */
|
|
[0x088] = 0x4d, /* MinV: 4.5 V */
|
|
[0x08a] = 0x5d, /* MaxV: 5.5 V */
|
|
[0x08c] = 0x4e, /* Peakl: 450 mA */
|
|
[0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */
|
|
[0x090] = 0x00, /* Window descriptor: Window length = 0 */
|
|
[0x092] = 0x20, /* TPCE_MI: support power down mode, RW */
|
|
|
|
[0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x096] = 0x06, /* Tuple length = 6 bytes */
|
|
[0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */
|
|
[0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
|
|
[0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
|
|
[0x09e] = 0xb5, /* NomV: 3.3 V */
|
|
[0x0a0] = 0x1e,
|
|
[0x0a2] = 0x3e, /* Peakl: 350 mA */
|
|
|
|
[0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x0a6] = 0x0d, /* Tuple length = 13 bytes */
|
|
[0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */
|
|
[0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
|
|
[0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
|
|
[0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
|
|
[0x0b0] = 0x55, /* NomV: 5.0 V */
|
|
[0x0b2] = 0x4d, /* MinV: 4.5 V */
|
|
[0x0b4] = 0x5d, /* MaxV: 5.5 V */
|
|
[0x0b6] = 0x4e, /* Peakl: 450 mA */
|
|
[0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */
|
|
[0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */
|
|
[0x0bc] = 0xff, /* IRQ0..IRQ7 supported */
|
|
[0x0be] = 0xff, /* IRQ8..IRQ15 supported */
|
|
[0x0c0] = 0x20, /* TPCE_MI = support power down mode */
|
|
|
|
[0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x0c4] = 0x06, /* Tuple length = 6 bytes */
|
|
[0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */
|
|
[0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
|
|
[0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
|
|
[0x0cc] = 0xb5, /* NomV: 3.3 V */
|
|
[0x0ce] = 0x1e,
|
|
[0x0d0] = 0x3e, /* Peakl: 350 mA */
|
|
|
|
[0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x0d4] = 0x12, /* Tuple length = 18 bytes */
|
|
[0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */
|
|
[0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
|
|
[0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
|
|
[0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
|
|
[0x0de] = 0x55, /* NomV: 5.0 V */
|
|
[0x0e0] = 0x4d, /* MinV: 4.5 V */
|
|
[0x0e2] = 0x5d, /* MaxV: 5.5 V */
|
|
[0x0e4] = 0x4e, /* Peakl: 450 mA */
|
|
[0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */
|
|
[0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */
|
|
[0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */
|
|
[0x0ec] = 0x01,
|
|
[0x0ee] = 0x07, /* Address block length = 8 */
|
|
[0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */
|
|
[0x0f2] = 0x03,
|
|
[0x0f4] = 0x01, /* Address block length = 2 */
|
|
[0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */
|
|
[0x0f8] = 0x20, /* TPCE_MI = support power down mode */
|
|
|
|
[0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x0fc] = 0x06, /* Tuple length = 6 bytes */
|
|
[0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */
|
|
[0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
|
|
[0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
|
|
[0x104] = 0xb5, /* NomV: 3.3 V */
|
|
[0x106] = 0x1e,
|
|
[0x108] = 0x3e, /* Peakl: 350 mA */
|
|
|
|
[0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x10c] = 0x12, /* Tuple length = 18 bytes */
|
|
[0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */
|
|
[0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */
|
|
[0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */
|
|
[0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */
|
|
[0x116] = 0x55, /* NomV: 5.0 V */
|
|
[0x118] = 0x4d, /* MinV: 4.5 V */
|
|
[0x11a] = 0x5d, /* MaxV: 5.5 V */
|
|
[0x11c] = 0x4e, /* Peakl: 450 mA */
|
|
[0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */
|
|
[0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */
|
|
[0x122] = 0x70, /* Field 1 address = 0x0170 */
|
|
[0x124] = 0x01,
|
|
[0x126] = 0x07, /* Address block length = 8 */
|
|
[0x128] = 0x76, /* Field 2 address = 0x0376 */
|
|
[0x12a] = 0x03,
|
|
[0x12c] = 0x01, /* Address block length = 2 */
|
|
[0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */
|
|
[0x130] = 0x20, /* TPCE_MI = support power down mode */
|
|
|
|
[0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */
|
|
[0x134] = 0x06, /* Tuple length = 6 bytes */
|
|
[0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */
|
|
[0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */
|
|
[0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */
|
|
[0x13c] = 0xb5, /* NomV: 3.3 V */
|
|
[0x13e] = 0x1e,
|
|
[0x140] = 0x3e, /* Peakl: 350 mA */
|
|
|
|
[0x142] = CISTPL_NO_LINK, /* No Link */
|
|
[0x144] = 0x00, /* Tuple length = 0 bytes */
|
|
|
|
[0x146] = CISTPL_END, /* Tuple End */
|
|
};
|
|
|
|
static int dscm1xxxx_attach(void *opaque)
|
|
{
|
|
struct md_s *md = (struct md_s *) opaque;
|
|
md->card.attr_read = md_attr_read;
|
|
md->card.attr_write = md_attr_write;
|
|
md->card.common_read = md_common_read;
|
|
md->card.common_write = md_common_write;
|
|
md->card.io_read = md_common_read;
|
|
md->card.io_write = md_common_write;
|
|
|
|
md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8);
|
|
md->io_base = 0x0;
|
|
|
|
md_reset(md);
|
|
md_interrupt_update(md);
|
|
|
|
md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive";
|
|
return 0;
|
|
}
|
|
|
|
static int dscm1xxxx_detach(void *opaque)
|
|
{
|
|
struct md_s *md = (struct md_s *) opaque;
|
|
md_reset(md);
|
|
return 0;
|
|
}
|
|
|
|
struct pcmcia_card_s *dscm1xxxx_init(BlockDriverState *bdrv)
|
|
{
|
|
struct md_s *md = (struct md_s *) qemu_mallocz(sizeof(struct md_s));
|
|
md->card.state = md;
|
|
md->card.attach = dscm1xxxx_attach;
|
|
md->card.detach = dscm1xxxx_detach;
|
|
md->card.cis = dscm1xxxx_cis;
|
|
md->card.cis_len = sizeof(dscm1xxxx_cis);
|
|
|
|
ide_init2(md->ide, bdrv, 0, qemu_allocate_irqs(md_set_irq, md, 1)[0]);
|
|
md->ide->is_cf = 1;
|
|
md->ide->mdata_size = METADATA_SIZE;
|
|
md->ide->mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE);
|
|
|
|
register_savevm("microdrive", -1, 0, md_save, md_load, md);
|
|
|
|
return &md->card;
|
|
}
|