2743 lines
66 KiB
C
2743 lines
66 KiB
C
/*
|
|
Hatari - ide.c
|
|
|
|
This file is distributed under the GNU General Public License, version 2
|
|
or at your option any later version. Read the file gpl.txt for details.
|
|
|
|
This is where we intercept read/writes to/from the IDE controller hardware.
|
|
*/
|
|
|
|
#include <SDL_endian.h>
|
|
#include <errno.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
#include "main.h"
|
|
#include "configuration.h"
|
|
#include "file.h"
|
|
#include "ide.h"
|
|
#include "hdc.h" /* for partition counting */
|
|
#include "m68000.h"
|
|
#include "mfp.h"
|
|
#include "stMemory.h"
|
|
#include "str.h"
|
|
#include "sysdeps.h"
|
|
|
|
#if HAVE_MALLOC_H
|
|
# include <malloc.h>
|
|
#endif
|
|
|
|
int nIDEPartitions = 0;
|
|
struct IDEState;
|
|
|
|
|
|
static struct IDEState *opaque_ide_if;
|
|
|
|
static void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
|
|
static uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
|
|
static uint32_t ide_status_read(void *opaque, uint32_t addr);
|
|
static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
|
|
static void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
|
|
static uint32_t ide_data_readw(void *opaque, uint32_t addr);
|
|
static void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
|
|
static uint32_t ide_data_readl(void *opaque, uint32_t addr);
|
|
|
|
|
|
/**
|
|
* Convert Falcon IDE registers to "normal" IDE register numbers.
|
|
* (taken from Aranym - cheers!)
|
|
*/
|
|
static uint32_t fcha2io(uint32_t address)
|
|
{
|
|
switch (address)
|
|
{
|
|
case 0xf00000:
|
|
return 0x00;
|
|
case 0xf00005:
|
|
return 0x01;
|
|
case 0xf00009:
|
|
return 0x02;
|
|
case 0xf0000d:
|
|
return 0x03;
|
|
case 0xf00011:
|
|
return 0x04;
|
|
case 0xf00015:
|
|
return 0x05;
|
|
case 0xf00019:
|
|
return 0x06;
|
|
case 0xf0001d:
|
|
return 0x07;
|
|
case 0xf00039:
|
|
return 0x16;
|
|
default:
|
|
return 0xffffffff;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Handle byte read access from IDE IO memory.
|
|
*/
|
|
uae_u32 Ide_Mem_bget(uaecptr addr)
|
|
{
|
|
int ideport;
|
|
uint8_t retval;
|
|
|
|
addr &= 0x00ffffff; /* Use a 24 bit address */
|
|
|
|
if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
|
|
{
|
|
/* invalid memory addressing --> bus error */
|
|
M68000_BusError(addr, BUS_ERROR_READ, BUS_ERROR_SIZE_BYTE, BUS_ERROR_ACCESS_DATA);
|
|
return -1;
|
|
}
|
|
|
|
ideport = fcha2io(addr);
|
|
|
|
if (ideport >= 1 && ideport <= 7)
|
|
{
|
|
retval = ide_ioport_read(opaque_ide_if, ideport);
|
|
}
|
|
else if (ideport == 8 || ideport == 22)
|
|
{
|
|
retval = ide_status_read(opaque_ide_if, 0);
|
|
}
|
|
else
|
|
{
|
|
retval = 0xFF;
|
|
}
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: bget($%x) = $%02x\n", addr, retval);
|
|
return retval;
|
|
}
|
|
|
|
|
|
/**
|
|
* Handle word read access from IDE IO memory.
|
|
*/
|
|
uae_u32 Ide_Mem_wget(uaecptr addr)
|
|
{
|
|
uint16_t retval;
|
|
|
|
addr &= 0x00ffffff; /* Use a 24 bit address */
|
|
|
|
if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
|
|
{
|
|
/* invalid memory addressing --> bus error */
|
|
M68000_BusError(addr, BUS_ERROR_READ, BUS_ERROR_SIZE_WORD, BUS_ERROR_ACCESS_DATA);
|
|
return -1;
|
|
}
|
|
|
|
if (addr == 0xf00000)
|
|
{
|
|
retval = ide_data_readw(opaque_ide_if, 0);
|
|
}
|
|
else
|
|
{
|
|
retval = 0xFFFF;
|
|
}
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: wget($%x) = $%04x\n", addr, retval);
|
|
return retval;
|
|
}
|
|
|
|
|
|
/**
|
|
* Handle long-word read access from IDE IO memory.
|
|
*/
|
|
uae_u32 Ide_Mem_lget(uaecptr addr)
|
|
{
|
|
uint32_t retval;
|
|
|
|
addr &= 0x00ffffff; /* Use a 24 bit address */
|
|
|
|
if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
|
|
{
|
|
/* invalid memory addressing --> bus error */
|
|
M68000_BusError(addr, BUS_ERROR_READ, BUS_ERROR_SIZE_LONG, BUS_ERROR_ACCESS_DATA);
|
|
return -1;
|
|
}
|
|
|
|
if (addr == 0xf00000)
|
|
{
|
|
retval = ide_data_readl(opaque_ide_if, 0);
|
|
}
|
|
else
|
|
{
|
|
retval = 0xFFFFFFFF;
|
|
}
|
|
|
|
/* word swap for long access to data register */
|
|
retval = ((retval >> 16) & 0x0000ffff) | ((retval & 0x0000ffff) << 16);
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: lget($%x) = $%08x\n", addr, retval);
|
|
return retval;
|
|
}
|
|
|
|
|
|
/**
|
|
* Handle byte write access to IDE IO memory.
|
|
*/
|
|
void Ide_Mem_bput(uaecptr addr, uae_u32 val)
|
|
{
|
|
int ideport;
|
|
|
|
addr &= 0x00ffffff; /* Use a 24 bit address */
|
|
val &= 0x0ff;
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: bput($%x, $%x)\n", addr, val);
|
|
|
|
if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
|
|
{
|
|
/* invalid memory addressing --> bus error */
|
|
M68000_BusError(addr, BUS_ERROR_WRITE, BUS_ERROR_SIZE_BYTE, BUS_ERROR_ACCESS_DATA);
|
|
return;
|
|
}
|
|
|
|
ideport = fcha2io(addr);
|
|
|
|
if (ideport >= 1 && ideport <= 7)
|
|
{
|
|
ide_ioport_write(opaque_ide_if, ideport, val);
|
|
}
|
|
else if (ideport == 8 || ideport == 22)
|
|
{
|
|
ide_cmd_write(opaque_ide_if, 0, val);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Handle word write access to IDE IO memory.
|
|
*/
|
|
void Ide_Mem_wput(uaecptr addr, uae_u32 val)
|
|
{
|
|
addr &= 0x00ffffff; /* Use a 24 bit address */
|
|
val &= 0x0ffff;
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: wput($%x, $%x)\n", addr, val);
|
|
|
|
if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
|
|
{
|
|
/* invalid memory addressing --> bus error */
|
|
M68000_BusError(addr, BUS_ERROR_WRITE, BUS_ERROR_SIZE_WORD, BUS_ERROR_ACCESS_DATA);
|
|
return;
|
|
}
|
|
|
|
if (addr == 0xf00000)
|
|
{
|
|
ide_data_writew(opaque_ide_if, 0, val);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Handle long-word write access to IDE IO memory.
|
|
*/
|
|
void Ide_Mem_lput(uaecptr addr, uae_u32 val)
|
|
{
|
|
addr &= 0x00ffffff; /* Use a 24 bit address */
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: lput($%x, $%x)\n", addr, val);
|
|
|
|
if (addr >= 0xf00040 || !ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
|
|
{
|
|
/* invalid memory addressing --> bus error */
|
|
M68000_BusError(addr, BUS_ERROR_WRITE, BUS_ERROR_SIZE_LONG, BUS_ERROR_ACCESS_DATA);
|
|
return;
|
|
}
|
|
|
|
/* word swap for long access to data register */
|
|
val = ((val >> 16) & 0x0000ffff) | ((val & 0x0000ffff) << 16);
|
|
|
|
if (addr == 0xf00000)
|
|
{
|
|
ide_data_writel(opaque_ide_if, 0, val);
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------*/
|
|
|
|
|
|
/*
|
|
* QEMU IDE disk and CD-ROM Emulator
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
* Copyright (c) 2006 Openedhand Ltd.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#define FW_VERSION "1.0"
|
|
|
|
|
|
#define BDRV_TYPE_HD 0
|
|
#define BDRV_TYPE_CDROM 1
|
|
#define BDRV_TYPE_FLOPPY 2
|
|
#define BIOS_ATA_TRANSLATION_AUTO 0
|
|
#define BIOS_ATA_TRANSLATION_NONE 1
|
|
#define BIOS_ATA_TRANSLATION_LBA 2
|
|
#define BIOS_ATA_TRANSLATION_LARGE 3
|
|
#define BIOS_ATA_TRANSLATION_RECHS 4
|
|
|
|
#ifndef ENOMEDIUM // It's not defined on Mac OS X for example
|
|
#define ENOMEDIUM ENODEV
|
|
#endif
|
|
|
|
|
|
typedef struct BlockDriverState BlockDriverState;
|
|
|
|
struct BlockDriverState {
|
|
int64_t total_sectors; /* if we are reading a disk image, give its
|
|
size in sectors */
|
|
int read_only; /* if true, the media is read only */
|
|
int removable; /* if true, the media can be removed */
|
|
int locked; /* if true, the media cannot temporarily be ejected */
|
|
int sg; /* if true, the device is a /dev/sg* */
|
|
/* event callback when inserting/removing */
|
|
void (*change_cb)(void *opaque);
|
|
void *change_opaque;
|
|
|
|
FILE *fhndl;
|
|
void *opaque;
|
|
|
|
char filename[1024];
|
|
char backing_file[1024]; /* if non zero, the image is a diff of
|
|
this file image */
|
|
int media_changed;
|
|
|
|
/* I/O stats (display with "info blockstats"). */
|
|
uint64_t rd_bytes;
|
|
uint64_t wr_bytes;
|
|
uint64_t rd_ops;
|
|
uint64_t wr_ops;
|
|
|
|
/* NOTE: the following infos are only hints for real hardware
|
|
drivers. They are not used by the block driver */
|
|
int cyls, heads, secs, translation;
|
|
int type;
|
|
};
|
|
|
|
|
|
static inline void cpu_to_be16wu(uint16_t *p, uint16_t v)
|
|
{
|
|
uint8_t *p1 = (uint8_t *)p;
|
|
|
|
p1[0] = v >> 8;
|
|
p1[1] = v;
|
|
}
|
|
|
|
|
|
#if defined(WIN32)
|
|
|
|
/* Remove possible conflicting TCHAR declaration from cpu/compat.h */
|
|
#undef TCHAR
|
|
|
|
#include <windows.h>
|
|
|
|
static void *qemu_memalign(size_t alignment, size_t size)
|
|
{
|
|
return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
|
|
}
|
|
|
|
static void qemu_free(void *ptr)
|
|
{
|
|
VirtualFree(ptr, 0, MEM_RELEASE);
|
|
}
|
|
|
|
#else
|
|
|
|
static void *qemu_memalign(size_t alignment, size_t size)
|
|
{
|
|
#if HAVE_POSIX_MEMALIGN
|
|
int ret;
|
|
void *ptr;
|
|
ret = posix_memalign(&ptr, alignment, size);
|
|
if (ret != 0)
|
|
return NULL;
|
|
return ptr;
|
|
#elif HAVE_MEMALIGN
|
|
return memalign(alignment, size);
|
|
#else
|
|
return valloc(size);
|
|
#endif
|
|
}
|
|
|
|
#define qemu_free free
|
|
|
|
#endif
|
|
|
|
|
|
#define le32_to_cpu SDL_SwapLE32
|
|
#define le16_to_cpu SDL_SwapLE16
|
|
#define cpu_to_le32 SDL_SwapLE32
|
|
#define cpu_to_le16 SDL_SwapLE16
|
|
|
|
|
|
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
|
|
|
|
#define SECTOR_BITS 9
|
|
#define SECTOR_SIZE (1 << SECTOR_BITS)
|
|
|
|
|
|
/**
|
|
* return 0 as number of sectors if no device present or error
|
|
*/
|
|
static void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr)
|
|
{
|
|
int64_t length;
|
|
length = File_Length(bs->filename);
|
|
|
|
if (length < 0)
|
|
length = 0;
|
|
else
|
|
length = length >> SECTOR_BITS;
|
|
*nb_sectors_ptr = length;
|
|
}
|
|
|
|
static void bdrv_get_geometry_hint(BlockDriverState *bs,
|
|
int *pcyls, int *pheads, int *psecs)
|
|
{
|
|
*pcyls = bs->cyls;
|
|
*pheads = bs->heads;
|
|
*psecs = bs->secs;
|
|
}
|
|
|
|
static void bdrv_set_translation_hint(BlockDriverState *bs, int translation)
|
|
{
|
|
bs->translation = translation;
|
|
}
|
|
|
|
static void bdrv_set_geometry_hint(BlockDriverState *bs,
|
|
int cyls, int heads, int secs)
|
|
{
|
|
bs->cyls = cyls;
|
|
bs->heads = heads;
|
|
bs->secs = secs;
|
|
}
|
|
|
|
static int bdrv_get_type_hint(BlockDriverState *bs)
|
|
{
|
|
return bs->type;
|
|
}
|
|
|
|
static int bdrv_get_translation_hint(BlockDriverState *bs)
|
|
{
|
|
return bs->translation;
|
|
}
|
|
|
|
/* XXX: no longer used */
|
|
static void bdrv_set_change_cb(BlockDriverState *bs,
|
|
void (*change_cb)(void *opaque), void *opaque)
|
|
{
|
|
bs->change_cb = change_cb;
|
|
bs->change_opaque = opaque;
|
|
}
|
|
|
|
|
|
/**
|
|
* Return TRUE if the media is present
|
|
*/
|
|
static int bdrv_is_inserted(BlockDriverState *bs)
|
|
{
|
|
return (bs->fhndl != NULL);
|
|
}
|
|
|
|
|
|
static int bdrv_is_locked(BlockDriverState *bs)
|
|
{
|
|
return bs->locked;
|
|
}
|
|
|
|
/**
|
|
* Lock or unlock the media (if it is locked, the user won't be able
|
|
* to eject it manually).
|
|
*/
|
|
static void bdrv_set_locked(BlockDriverState *bs, int locked)
|
|
{
|
|
bs->locked = locked;
|
|
}
|
|
|
|
|
|
/* return < 0 if error. See bdrv_write() for the return codes */
|
|
static int bdrv_read(BlockDriverState *bs, int64_t sector_num,
|
|
uint8_t *buf, int nb_sectors)
|
|
{
|
|
int ret, len;
|
|
|
|
if (!bs->fhndl)
|
|
return -ENOMEDIUM;
|
|
|
|
len = nb_sectors * 512;
|
|
|
|
if (fseeko(bs->fhndl, sector_num*512, SEEK_SET) != 0)
|
|
{
|
|
perror("bdrv_read");
|
|
return -errno;
|
|
}
|
|
ret = fread(buf, 1, len, bs->fhndl);
|
|
if (ret != len)
|
|
{
|
|
fprintf(stderr,"IDE: bdrv_read error (%d != %d length) at sector %lu!\n", ret, len, (unsigned long)sector_num);
|
|
return -EINVAL;
|
|
}
|
|
else
|
|
{
|
|
bs->rd_bytes += (unsigned) len;
|
|
bs->rd_ops ++;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/* Return < 0 if error. Important errors are:
|
|
-EIO generic I/O error (may happen for all errors)
|
|
-ENOMEDIUM No media inserted.
|
|
-EINVAL Invalid sector number or nb_sectors
|
|
-EACCES Trying to write a read-only device
|
|
*/
|
|
static int bdrv_write(BlockDriverState *bs, int64_t sector_num,
|
|
const uint8_t *buf, int nb_sectors)
|
|
{
|
|
int ret, len;
|
|
|
|
if (!bs->fhndl)
|
|
return -ENOMEDIUM;
|
|
if (bs->read_only)
|
|
return -EACCES;
|
|
|
|
len = nb_sectors * 512;
|
|
|
|
if (fseeko(bs->fhndl, sector_num*512, SEEK_SET) != 0)
|
|
{
|
|
perror("bdrv_write");
|
|
return -errno;
|
|
}
|
|
ret = fwrite(buf, 1, len, bs->fhndl);
|
|
if (ret != len)
|
|
{
|
|
fprintf(stderr,"IDE: bdrv_write error (%d != %d length) at sector %lu!\n", ret, len, (unsigned long)sector_num);
|
|
return -EIO;
|
|
}
|
|
else
|
|
{
|
|
bs->wr_bytes += (unsigned) len;
|
|
bs->wr_ops ++;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
static int bdrv_open(BlockDriverState *bs, const char *filename, int flags)
|
|
{
|
|
Log_Printf(LOG_INFO, "Mounting IDE hard drive image %s\n", filename);
|
|
|
|
strlcpy(bs->filename, filename, sizeof(bs->filename));
|
|
|
|
bs->read_only = 0;
|
|
|
|
bs->fhndl = fopen(filename, "rb+");
|
|
|
|
if (!bs->fhndl) {
|
|
/* Maybe the file is read-only? */
|
|
bs->fhndl = fopen(filename, "rb");
|
|
if (!bs->fhndl)
|
|
perror("bdrv_open");
|
|
bs->read_only = 1;
|
|
}
|
|
else if (!File_Lock(bs->fhndl))
|
|
{
|
|
Log_Printf(LOG_ERROR, "ERROR: cannot lock HD file for writing!\n");
|
|
fclose(bs->fhndl);
|
|
bs->fhndl = NULL;
|
|
}
|
|
|
|
/* call the change callback */
|
|
bs->media_changed = 1;
|
|
if (bs->change_cb)
|
|
bs->change_cb(bs->change_opaque);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void bdrv_flush(BlockDriverState *bs)
|
|
{
|
|
fflush(bs->fhndl);
|
|
}
|
|
|
|
static void bdrv_close(BlockDriverState *bs)
|
|
{
|
|
File_UnLock(bs->fhndl);
|
|
fclose(bs->fhndl);
|
|
bs->fhndl = NULL;
|
|
}
|
|
|
|
/**
|
|
* If eject_flag is TRUE, eject the media. Otherwise, close the tray
|
|
*/
|
|
static void bdrv_eject(BlockDriverState *bs, int eject_flag)
|
|
{
|
|
if (eject_flag)
|
|
bdrv_close(bs);
|
|
}
|
|
|
|
|
|
// #define USE_DMA_CDROM
|
|
|
|
/* Bits of HD_STATUS */
|
|
#define ERR_STAT 0x01
|
|
#define INDEX_STAT 0x02
|
|
#define ECC_STAT 0x04 /* Corrected error */
|
|
#define DRQ_STAT 0x08
|
|
#define SEEK_STAT 0x10
|
|
#define SRV_STAT 0x10
|
|
#define WRERR_STAT 0x20
|
|
#define READY_STAT 0x40
|
|
#define BUSY_STAT 0x80
|
|
|
|
/* Bits for HD_ERROR */
|
|
#define MARK_ERR 0x01 /* Bad address mark */
|
|
#define TRK0_ERR 0x02 /* couldn't find track 0 */
|
|
#define ABRT_ERR 0x04 /* Command aborted */
|
|
#define MCR_ERR 0x08 /* media change request */
|
|
#define ID_ERR 0x10 /* ID field not found */
|
|
#define MC_ERR 0x20 /* media changed */
|
|
#define ECC_ERR 0x40 /* Uncorrectable ECC error */
|
|
#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
|
|
#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
|
|
|
|
/* Bits of HD_NSECTOR */
|
|
#define CD 0x01
|
|
#define IO 0x02
|
|
#define REL 0x04
|
|
#define TAG_MASK 0xf8
|
|
|
|
#define IDE_CMD_RESET 0x04
|
|
#define IDE_CMD_DISABLE_IRQ 0x02
|
|
|
|
/* ATA/ATAPI Commands pre T13 Spec */
|
|
#define WIN_NOP 0x00
|
|
/*
|
|
* 0x01->0x02 Reserved
|
|
*/
|
|
#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
|
|
/*
|
|
* 0x04->0x07 Reserved
|
|
*/
|
|
#define WIN_SRST 0x08 /* ATAPI soft reset command */
|
|
#define WIN_DEVICE_RESET 0x08
|
|
/*
|
|
* 0x09->0x0F Reserved
|
|
*/
|
|
#define WIN_RECAL 0x10
|
|
#define WIN_RESTORE WIN_RECAL
|
|
/*
|
|
* 0x10->0x1F Reserved
|
|
*/
|
|
#define WIN_READ 0x20 /* 28-Bit */
|
|
#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */
|
|
#define WIN_READ_LONG 0x22 /* 28-Bit */
|
|
#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */
|
|
#define WIN_READ_EXT 0x24 /* 48-Bit */
|
|
#define WIN_READDMA_EXT 0x25 /* 48-Bit */
|
|
#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */
|
|
#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
|
|
/*
|
|
* 0x28
|
|
*/
|
|
#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
|
|
/*
|
|
* 0x2A->0x2F Reserved
|
|
*/
|
|
#define WIN_WRITE 0x30 /* 28-Bit */
|
|
#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */
|
|
#define WIN_WRITE_LONG 0x32 /* 28-Bit */
|
|
#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */
|
|
#define WIN_WRITE_EXT 0x34 /* 48-Bit */
|
|
#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
|
|
#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
|
|
#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
|
|
#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
|
|
#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
|
|
/*
|
|
* 0x3A->0x3B Reserved
|
|
*/
|
|
#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */
|
|
/*
|
|
* 0x3D->0x3F Reserved
|
|
*/
|
|
#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
|
|
#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */
|
|
#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
|
|
/*
|
|
* 0x43->0x4F Reserved
|
|
*/
|
|
#define WIN_FORMAT 0x50
|
|
/*
|
|
* 0x51->0x5F Reserved
|
|
*/
|
|
#define WIN_INIT 0x60
|
|
/*
|
|
* 0x61->0x5F Reserved
|
|
*/
|
|
#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */
|
|
#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
|
|
#define WIN_DIAGNOSE 0x90
|
|
#define WIN_SPECIFY 0x91 /* set drive geometry translation */
|
|
#define WIN_DOWNLOAD_MICROCODE 0x92
|
|
#define WIN_STANDBYNOW2 0x94
|
|
#define CFA_IDLEIMMEDIATE 0x95 /* force drive to become "ready" */
|
|
#define WIN_STANDBY2 0x96
|
|
#define WIN_SETIDLE2 0x97
|
|
#define WIN_CHECKPOWERMODE2 0x98
|
|
#define WIN_SLEEPNOW2 0x99
|
|
/*
|
|
* 0x9A VENDOR
|
|
*/
|
|
#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
|
|
#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
|
|
#define WIN_QUEUED_SERVICE 0xA2
|
|
#define WIN_SMART 0xB0 /* self-monitoring and reporting */
|
|
#define CFA_ACCESS_METADATA_STORAGE 0xB8
|
|
#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
|
|
#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
|
|
#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
|
|
#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
|
|
#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
|
|
#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
|
|
#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */
|
|
#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
|
|
#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */
|
|
#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
|
|
#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
|
|
#define WIN_GETMEDIASTATUS 0xDA
|
|
#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */
|
|
#define WIN_POSTBOOT 0xDC
|
|
#define WIN_PREBOOT 0xDD
|
|
#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
|
|
#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
|
|
#define WIN_STANDBYNOW1 0xE0
|
|
#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
|
|
#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
|
|
#define WIN_SETIDLE1 0xE3
|
|
#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
|
|
#define WIN_CHECKPOWERMODE1 0xE5
|
|
#define WIN_SLEEPNOW1 0xE6
|
|
#define WIN_FLUSH_CACHE 0xE7
|
|
#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
|
|
#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */
|
|
/* SET_FEATURES 0x22 or 0xDD */
|
|
#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
|
|
#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
|
|
#define WIN_MEDIAEJECT 0xED
|
|
#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
|
|
#define WIN_SETFEATURES 0xEF /* set special drive features */
|
|
#define EXABYTE_ENABLE_NEST 0xF0
|
|
#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature */
|
|
#define WIN_SECURITY_SET_PASS 0xF1
|
|
#define WIN_SECURITY_UNLOCK 0xF2
|
|
#define WIN_SECURITY_ERASE_PREPARE 0xF3
|
|
#define WIN_SECURITY_ERASE_UNIT 0xF4
|
|
#define WIN_SECURITY_FREEZE_LOCK 0xF5
|
|
#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP */
|
|
#define WIN_SECURITY_DISABLE 0xF6
|
|
#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
|
|
#define WIN_SET_MAX 0xF9
|
|
#define DISABLE_SEAGATE 0xFB
|
|
|
|
/* set to 1 set disable mult support */
|
|
#define MAX_MULT_SECTORS 16
|
|
|
|
/* ATAPI defines */
|
|
|
|
#define ATAPI_PACKET_SIZE 12
|
|
|
|
/* The generic packet command opcodes for CD/DVD Logical Units,
|
|
* From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
|
|
#define GPCMD_BLANK 0xa1
|
|
#define GPCMD_CLOSE_TRACK 0x5b
|
|
#define GPCMD_FLUSH_CACHE 0x35
|
|
#define GPCMD_FORMAT_UNIT 0x04
|
|
#define GPCMD_GET_CONFIGURATION 0x46
|
|
#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
|
|
#define GPCMD_GET_PERFORMANCE 0xac
|
|
#define GPCMD_INQUIRY 0x12
|
|
#define GPCMD_LOAD_UNLOAD 0xa6
|
|
#define GPCMD_MECHANISM_STATUS 0xbd
|
|
#define GPCMD_MODE_SELECT_10 0x55
|
|
#define GPCMD_MODE_SENSE_10 0x5a
|
|
#define GPCMD_PAUSE_RESUME 0x4b
|
|
#define GPCMD_PLAY_AUDIO_10 0x45
|
|
#define GPCMD_PLAY_AUDIO_MSF 0x47
|
|
#define GPCMD_PLAY_AUDIO_TI 0x48
|
|
#define GPCMD_PLAY_CD 0xbc
|
|
#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
|
|
#define GPCMD_READ_10 0x28
|
|
#define GPCMD_READ_12 0xa8
|
|
#define GPCMD_READ_CDVD_CAPACITY 0x25
|
|
#define GPCMD_READ_CD 0xbe
|
|
#define GPCMD_READ_CD_MSF 0xb9
|
|
#define GPCMD_READ_DISC_INFO 0x51
|
|
#define GPCMD_READ_DVD_STRUCTURE 0xad
|
|
#define GPCMD_READ_FORMAT_CAPACITIES 0x23
|
|
#define GPCMD_READ_HEADER 0x44
|
|
#define GPCMD_READ_TRACK_RZONE_INFO 0x52
|
|
#define GPCMD_READ_SUBCHANNEL 0x42
|
|
#define GPCMD_READ_TOC_PMA_ATIP 0x43
|
|
#define GPCMD_REPAIR_RZONE_TRACK 0x58
|
|
#define GPCMD_REPORT_KEY 0xa4
|
|
#define GPCMD_REQUEST_SENSE 0x03
|
|
#define GPCMD_RESERVE_RZONE_TRACK 0x53
|
|
#define GPCMD_SCAN 0xba
|
|
#define GPCMD_SEEK 0x2b
|
|
#define GPCMD_SEND_DVD_STRUCTURE 0xad
|
|
#define GPCMD_SEND_EVENT 0xa2
|
|
#define GPCMD_SEND_KEY 0xa3
|
|
#define GPCMD_SEND_OPC 0x54
|
|
#define GPCMD_SET_READ_AHEAD 0xa7
|
|
#define GPCMD_SET_STREAMING 0xb6
|
|
#define GPCMD_START_STOP_UNIT 0x1b
|
|
#define GPCMD_STOP_PLAY_SCAN 0x4e
|
|
#define GPCMD_TEST_UNIT_READY 0x00
|
|
#define GPCMD_VERIFY_10 0x2f
|
|
#define GPCMD_WRITE_10 0x2a
|
|
#define GPCMD_WRITE_AND_VERIFY_10 0x2e
|
|
/* This is listed as optional in ATAPI 2.6, but is (curiously)
|
|
* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
|
|
* Table 377 as an MMC command for SCSi devices though... Most ATAPI
|
|
* drives support it. */
|
|
#define GPCMD_SET_SPEED 0xbb
|
|
/* This seems to be a SCSI specific CD-ROM opcode
|
|
* to play data at track/index */
|
|
#define GPCMD_PLAYAUDIO_TI 0x48
|
|
/*
|
|
* From MS Media Status Notification Support Specification. For
|
|
* older drives only.
|
|
*/
|
|
#define GPCMD_GET_MEDIA_STATUS 0xda
|
|
#define GPCMD_MODE_SENSE_6 0x1a
|
|
|
|
/* Mode page codes for mode sense/set */
|
|
#define GPMODE_R_W_ERROR_PAGE 0x01
|
|
#define GPMODE_WRITE_PARMS_PAGE 0x05
|
|
#define GPMODE_AUDIO_CTL_PAGE 0x0e
|
|
#define GPMODE_POWER_PAGE 0x1a
|
|
#define GPMODE_FAULT_FAIL_PAGE 0x1c
|
|
#define GPMODE_TO_PROTECT_PAGE 0x1d
|
|
#define GPMODE_CAPABILITIES_PAGE 0x2a
|
|
#define GPMODE_ALL_PAGES 0x3f
|
|
/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
|
|
* of MODE_SENSE_POWER_PAGE */
|
|
#define GPMODE_CDROM_PAGE 0x0d
|
|
|
|
#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
|
|
#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
|
|
#define ATAPI_INT_REASON_REL 0x04
|
|
#define ATAPI_INT_REASON_TAG 0xf8
|
|
|
|
/* same constants as bochs */
|
|
#define ASC_ILLEGAL_OPCODE 0x20
|
|
#define ASC_LOGICAL_BLOCK_OOR 0x21
|
|
#define ASC_INV_FIELD_IN_CMD_PACKET 0x24
|
|
#define ASC_MEDIUM_NOT_PRESENT 0x3a
|
|
#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
|
|
|
|
#define SENSE_NONE 0
|
|
#define SENSE_NOT_READY 2
|
|
#define SENSE_ILLEGAL_REQUEST 5
|
|
#define SENSE_UNIT_ATTENTION 6
|
|
|
|
typedef void EndTransferFunc(struct IDEState *);
|
|
|
|
/* NOTE: IDEState represents in fact one drive */
|
|
typedef struct IDEState
|
|
{
|
|
/* ide config */
|
|
int is_cdrom;
|
|
int cylinders, heads, sectors;
|
|
int64_t nb_sectors;
|
|
int mult_sectors;
|
|
int identify_set;
|
|
uint16_t identify_data[256];
|
|
int drive_serial;
|
|
/* ide regs */
|
|
uint8_t feature;
|
|
uint8_t error;
|
|
uint32_t nsector;
|
|
uint8_t sector;
|
|
uint8_t lcyl;
|
|
uint8_t hcyl;
|
|
/* other part of tf for lba48 support */
|
|
uint8_t hob_feature;
|
|
uint8_t hob_nsector;
|
|
uint8_t hob_sector;
|
|
uint8_t hob_lcyl;
|
|
uint8_t hob_hcyl;
|
|
|
|
uint8_t select;
|
|
uint8_t status;
|
|
|
|
/* 0x3f6 command, only meaningful for drive 0 */
|
|
uint8_t cmd;
|
|
/* set for lba48 access */
|
|
uint8_t lba48;
|
|
/* depends on bit 4 in select, only meaningful for drive 0 */
|
|
struct IDEState *cur_drive;
|
|
BlockDriverState *bs;
|
|
/* ATAPI specific */
|
|
uint8_t sense_key;
|
|
uint8_t asc;
|
|
int packet_transfer_size;
|
|
int elementary_transfer_size;
|
|
int io_buffer_index;
|
|
int lba;
|
|
int cd_sector_size;
|
|
/* ATA DMA state */
|
|
int io_buffer_size;
|
|
/* 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;
|
|
int media_changed;
|
|
} IDEState;
|
|
|
|
|
|
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 = SDL_SwapLE16(v);
|
|
}
|
|
|
|
static void ide_identify(IDEState *s)
|
|
{
|
|
uint16_t *p;
|
|
unsigned int oldsize;
|
|
char buf[20];
|
|
|
|
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);
|
|
snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
|
|
padstr((char *)(p + 10), buf, 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), FW_VERSION, 8); /* firmware version */
|
|
if(s == opaque_ide_if) /* model */
|
|
{
|
|
padstr((char *)(p + 27), "Hatari IDE master disk", 40);
|
|
}
|
|
else
|
|
{
|
|
padstr((char *)(p + 27), "Hatari IDE slave disk", 40);
|
|
}
|
|
#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 + 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;
|
|
char buf[20];
|
|
|
|
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));
|
|
snprintf(buf, sizeof(buf), "QM%05d", s->drive_serial);
|
|
padstr((char *)(p + 10), buf, 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), FW_VERSION, 8); /* firmware version */
|
|
padstr((char *)(p + 27), "Hatari CD-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 + 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_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_set_irq(IDEState *s)
|
|
{
|
|
if (!(s->cmd & IDE_CMD_DISABLE_IRQ))
|
|
{
|
|
/* Set IRQ (set line to low) */
|
|
MFP_GPIP_Set_Line_Input ( MFP_GPIP_LINE_FDC_HDC , MFP_GPIP_STATE_LOW );
|
|
}
|
|
}
|
|
|
|
/* 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_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
|
|
{
|
|
LOG_TRACE(TRACE_IDE, "IDE: read sector=%"PRId64"\n", sector_num);
|
|
|
|
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_abort_command(s);
|
|
ide_set_irq(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;
|
|
}
|
|
}
|
|
|
|
|
|
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);
|
|
LOG_TRACE(TRACE_IDE, "IDE: write sector=%"PRId64"\n", sector_num);
|
|
|
|
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)
|
|
{
|
|
ide_abort_command(s);
|
|
ide_set_irq(s);
|
|
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);
|
|
|
|
ide_set_irq(s);
|
|
}
|
|
|
|
|
|
static void ide_atapi_cmd_ok(IDEState *s)
|
|
{
|
|
s->error = 0;
|
|
s->status = READY_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)
|
|
{
|
|
LOG_TRACE(TRACE_IDE, "IDE: ATAPI cmd error sense=0x%x asc=0x%x\n", sense_key, asc);
|
|
|
|
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 inline void cpu_to_ube16(uint8_t *buf, int val)
|
|
{
|
|
buf[0] = val >> 8;
|
|
buf[1] = val;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: ATAPI reply tx_size=%d elem_tx_size=%d index=%d\n",
|
|
s->packet_transfer_size,
|
|
s->elementary_transfer_size,
|
|
s->io_buffer_index);
|
|
|
|
if (s->packet_transfer_size <= 0)
|
|
{
|
|
/* end of transfer */
|
|
ide_transfer_stop(s);
|
|
s->status = READY_STAT;
|
|
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
|
ide_set_irq(s);
|
|
LOG_TRACE(TRACE_IDE, "IDE: ATAPI status=0x%x\n", s->status);
|
|
}
|
|
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);
|
|
LOG_TRACE(TRACE_IDE, "IDE: ATAPI byte_count_limit=%d\n", byte_count_limit);
|
|
|
|
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);
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: ATAPI status=0x%x\n", s->status);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
|
|
s->status = READY_STAT;
|
|
ide_atapi_cmd_reply_end(s);
|
|
}
|
|
|
|
/* start a CD-CDROM read command */
|
|
static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors,
|
|
int sector_size)
|
|
{
|
|
LOG_TRACE(TRACE_IDE, "IDE: ATAPI read pio LBA=%d nb_sectors=%d\n", lba, nb_sectors);
|
|
|
|
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;
|
|
ide_atapi_cmd_reply_end(s);
|
|
}
|
|
|
|
|
|
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;
|
|
if (LOG_TRACE_LEVEL(TRACE_IDE))
|
|
{
|
|
int i;
|
|
LOG_TRACE_PRINT("IDE: ATAPI limit=0x%x packet", s->lcyl | (s->hcyl << 8));
|
|
for (i = 0; i < ATAPI_PACKET_SIZE; i++)
|
|
{
|
|
printf(" %02x", packet[i]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
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;
|
|
|
|
buf[12] = 0x70;
|
|
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;
|
|
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, len;
|
|
// int msf, start_track;
|
|
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:
|
|
fprintf(stderr,"IDE FIXME: cdrom_read_toc");
|
|
len=-1;
|
|
//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:
|
|
fprintf(stderr,"IDE FIXME: cdrom_read_toc_raw");
|
|
len=-1;
|
|
//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 layer = packet[6];
|
|
int format = packet[2];
|
|
uint64_t total_sectors;
|
|
|
|
if (media != 0 || layer != 0)
|
|
{
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_INV_FIELD_IN_CMD_PACKET);
|
|
}
|
|
|
|
switch (format)
|
|
{
|
|
case 0:
|
|
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;
|
|
}
|
|
|
|
memset(buf, 0, 2052);
|
|
|
|
buf[4] = 1; // DVD-ROM, part version 1
|
|
buf[5] = 0xf; // 120mm disc, maximum rate unspecified
|
|
buf[6] = 0; // one layer, embossed data
|
|
buf[7] = 0;
|
|
|
|
cpu_to_ube32(buf + 8, 0);
|
|
cpu_to_ube32(buf + 12, total_sectors - 1);
|
|
cpu_to_ube32(buf + 16, total_sectors - 1);
|
|
|
|
cpu_to_be16wu((uint16_t *)buf, 2048 + 4);
|
|
|
|
ide_atapi_cmd_reply(s, 2048 + 3, 2048 + 4);
|
|
break;
|
|
|
|
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 CD-ROM");
|
|
padstr8(buf + 32, 4, FW_VERSION);
|
|
ide_atapi_cmd_reply(s, 36, max_len);
|
|
break;
|
|
case GPCMD_GET_CONFIGURATION:
|
|
{
|
|
uint64_t total_sectors;
|
|
|
|
/* 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;
|
|
}
|
|
memset(buf, 0, 32);
|
|
bdrv_get_geometry(s->bs, &total_sectors);
|
|
buf[3] = 16;
|
|
buf[7] = total_sectors <= 1433600 ? 0x08 : 0x10; /* current profile */
|
|
buf[10] = 0x10 | 0x1;
|
|
buf[11] = 0x08; /* size of profile list */
|
|
buf[13] = 0x10; /* DVD-ROM profile */
|
|
buf[14] = buf[7] == 0x10; /* (in)active */
|
|
buf[17] = 0x08; /* CD-ROM profile */
|
|
buf[18] = buf[7] == 0x08; /* (in)active */
|
|
ide_atapi_cmd_reply(s, 32, 32);
|
|
break;
|
|
}
|
|
default:
|
|
ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST,
|
|
ASC_ILLEGAL_OPCODE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* called when the inserted state of the media has changed */
|
|
static void cdrom_change_cb(void *opaque)
|
|
{
|
|
IDEState *s = opaque;
|
|
uint64_t nb_sectors;
|
|
|
|
/* XXX: send interrupt too */
|
|
bdrv_get_geometry(s->bs, &nb_sectors);
|
|
s->nb_sectors = nb_sectors;
|
|
}
|
|
|
|
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;
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
|
|
|
addr &= 7;
|
|
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 */
|
|
LOG_TRACE(TRACE_IDE, "IDE: CMD=%02x\n", val);
|
|
|
|
s = ide_if->cur_drive;
|
|
/* ignore commands to non existent slave */
|
|
if (s != ide_if && !s->bs)
|
|
{
|
|
fprintf(stderr,"IDE: CMD to non-existant slave!\n");
|
|
break;
|
|
}
|
|
|
|
switch (val)
|
|
{
|
|
case WIN_IDENTIFY:
|
|
if (s->bs && !s->is_cdrom)
|
|
{
|
|
ide_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->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;
|
|
}
|
|
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;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_FORMAT:
|
|
ide_cmd_lba48_transform(s, lba48);
|
|
s->error = 0;
|
|
s->status = READY_STAT | SEEK_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_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);
|
|
fprintf(stderr, "IDE: DMA read not supported!\n");
|
|
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);
|
|
fprintf(stderr, "IDE: DMA write not supported!\n");
|
|
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;
|
|
ide_set_irq(s);
|
|
break;
|
|
case WIN_CHECKPOWERMODE1:
|
|
case WIN_CHECKPOWERMODE2:
|
|
s->nsector = 0xff; /* device active or idle */
|
|
s->status = READY_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 + 63,0x07);
|
|
put_le16(s->identify_data + 88,0x3f);
|
|
break;
|
|
case 0x04: /* mdma mode */
|
|
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 + 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;
|
|
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;
|
|
/* 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);
|
|
s->status = 0x00; /* NOTE: READY is _not_ set */
|
|
s->error = 0x01;
|
|
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;
|
|
// s->atapi_dma = s->feature & 1;
|
|
s->nsector = 1;
|
|
ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE,
|
|
ide_atapi_cmd);
|
|
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;
|
|
|
|
/* FIXME: HOB readback uses bit 7, but it's always set right now */
|
|
//int hob = s->select & (1 << 7);
|
|
const int hob = 0;
|
|
|
|
addr = addr1 & 7;
|
|
switch (addr)
|
|
{
|
|
case 0:
|
|
ret = 0xff;
|
|
break;
|
|
case 1:
|
|
if (!ide_if[0].bs && !ide_if[1].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;
|
|
|
|
/* Clear IRQ (set line to high) */
|
|
MFP_GPIP_Set_Line_Input ( MFP_GPIP_LINE_FDC_HDC , MFP_GPIP_STATE_HIGH );
|
|
break;
|
|
}
|
|
LOG_TRACE(TRACE_IDE, "IDE: read addr=0x%x val=%02x\n", addr1, ret);
|
|
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;
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: read status addr=0x%x val=%02x\n", addr, ret);
|
|
return ret;
|
|
}
|
|
|
|
static void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val)
|
|
{
|
|
IDEState *ide_if = opaque;
|
|
IDEState *s;
|
|
int i;
|
|
|
|
LOG_TRACE(TRACE_IDE, "IDE: write control addr=0x%x val=%02x\n", addr, val);
|
|
|
|
/* 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;
|
|
|
|
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;
|
|
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;
|
|
|
|
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;
|
|
|
|
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)
|
|
{
|
|
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;
|
|
}
|
|
|
|
struct partition
|
|
{
|
|
uint8_t boot_ind; /* 0x80 - active */
|
|
uint8_t head; /* starting head */
|
|
uint8_t sector; /* starting sector */
|
|
uint8_t cyl; /* starting cylinder */
|
|
uint8_t sys_ind; /* What partition type */
|
|
uint8_t end_head; /* end head */
|
|
uint8_t end_sector; /* end sector */
|
|
uint8_t end_cyl; /* end cylinder */
|
|
uint32_t start_sect; /* starting sector counting from 0 */
|
|
uint32_t nr_sects; /* nr of sectors in partition */
|
|
} __attribute__((packed));
|
|
|
|
/* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */
|
|
static int guess_disk_lchs(IDEState *s,
|
|
int *pcylinders, int *pheads, int *psectors)
|
|
{
|
|
uint8_t *buf;
|
|
int ret, i, heads, sectors, cylinders;
|
|
struct partition *p;
|
|
uint32_t nr_sects;
|
|
|
|
buf = qemu_memalign(512, 512);
|
|
if (buf == NULL)
|
|
return -1;
|
|
ret = bdrv_read(s->bs, 0, buf, 1);
|
|
if (ret < 0)
|
|
{
|
|
qemu_free(buf);
|
|
return -1;
|
|
}
|
|
/* test msdos magic */
|
|
if (buf[510] != 0x55 || buf[511] != 0xaa)
|
|
{
|
|
qemu_free(buf);
|
|
return -1;
|
|
}
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
p = ((struct partition *)(buf + 0x1be)) + i;
|
|
nr_sects = le32_to_cpu(p->nr_sects);
|
|
if (nr_sects && p->end_head)
|
|
{
|
|
/* We make the assumption that the partition terminates on
|
|
a cylinder boundary */
|
|
heads = p->end_head + 1;
|
|
sectors = p->end_sector & 63;
|
|
if (sectors == 0)
|
|
continue;
|
|
cylinders = s->nb_sectors / (heads * sectors);
|
|
if (cylinders < 1 || cylinders > 16383)
|
|
continue;
|
|
*pheads = heads;
|
|
*psectors = sectors;
|
|
*pcylinders = cylinders;
|
|
LOG_TRACE(TRACE_IDE, "IDE: guessed geometry LCHS=%d %d %d\n",
|
|
cylinders, heads, sectors);
|
|
qemu_free(buf);
|
|
return 0;
|
|
}
|
|
}
|
|
qemu_free(buf);
|
|
return -1;
|
|
}
|
|
|
|
static void ide_init2(IDEState *ide_state, BlockDriverState *hd0,
|
|
BlockDriverState *hd1)
|
|
{
|
|
IDEState *s;
|
|
static int drive_serial = 1;
|
|
int i, cylinders, heads, secs, translation, lba_detected = 0;
|
|
uint64_t nb_sectors;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
s = ide_state + i;
|
|
s->io_buffer = qemu_memalign(512, MAX_MULT_SECTORS*512 + 4);
|
|
assert(s->io_buffer);
|
|
if (i == 0)
|
|
s->bs = hd0;
|
|
else
|
|
s->bs = hd1;
|
|
if (s->bs)
|
|
{
|
|
bdrv_get_geometry(s->bs, &nb_sectors);
|
|
s->nb_sectors = nb_sectors;
|
|
/* if a geometry hint is available, use it */
|
|
bdrv_get_geometry_hint(s->bs, &cylinders, &heads, &secs);
|
|
translation = bdrv_get_translation_hint(s->bs);
|
|
if (cylinders != 0)
|
|
{
|
|
s->cylinders = cylinders;
|
|
s->heads = heads;
|
|
s->sectors = secs;
|
|
}
|
|
else
|
|
{
|
|
if (guess_disk_lchs(s, &cylinders, &heads, &secs) == 0)
|
|
{
|
|
if (heads > 16)
|
|
{
|
|
/* if heads > 16, it means that a BIOS LBA
|
|
translation was active, so the default
|
|
hardware geometry is OK */
|
|
lba_detected = 1;
|
|
goto default_geometry;
|
|
}
|
|
else
|
|
{
|
|
s->cylinders = cylinders;
|
|
s->heads = heads;
|
|
s->sectors = secs;
|
|
/* disable any translation to be in sync with
|
|
the logical geometry */
|
|
if (translation == BIOS_ATA_TRANSLATION_AUTO)
|
|
{
|
|
bdrv_set_translation_hint(s->bs,
|
|
BIOS_ATA_TRANSLATION_NONE);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
default_geometry:
|
|
/* if no geometry, use a standard physical disk geometry */
|
|
cylinders = nb_sectors / (16 * 63);
|
|
if (cylinders > 16383)
|
|
cylinders = 16383;
|
|
else if (cylinders < 2)
|
|
cylinders = 2;
|
|
s->cylinders = cylinders;
|
|
s->heads = 16;
|
|
s->sectors = 63;
|
|
if ((lba_detected == 1) && (translation == BIOS_ATA_TRANSLATION_AUTO))
|
|
{
|
|
if ((s->cylinders * s->heads) <= 131072)
|
|
{
|
|
bdrv_set_translation_hint(s->bs,
|
|
BIOS_ATA_TRANSLATION_LARGE);
|
|
}
|
|
else
|
|
{
|
|
bdrv_set_translation_hint(s->bs,
|
|
BIOS_ATA_TRANSLATION_LBA);
|
|
}
|
|
}
|
|
}
|
|
bdrv_set_geometry_hint(s->bs, s->cylinders, s->heads, s->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++;
|
|
|
|
ide_reset(s);
|
|
}
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------*/
|
|
|
|
|
|
static BlockDriverState *hd_table[2];
|
|
|
|
|
|
/**
|
|
* Initialize the IDE subsystem
|
|
*/
|
|
void Ide_Init(void)
|
|
{
|
|
if (!ConfigureParams.HardDisk.bUseIdeMasterHardDiskImage)
|
|
return;
|
|
|
|
opaque_ide_if = malloc(sizeof(IDEState) * 2);
|
|
hd_table[0] = malloc(sizeof(BlockDriverState));
|
|
hd_table[1] = malloc(sizeof(BlockDriverState));
|
|
|
|
assert(opaque_ide_if && hd_table[0] && hd_table[1]);
|
|
|
|
memset(opaque_ide_if, 0, sizeof(IDEState) * 2);
|
|
|
|
memset(hd_table[0], 0, sizeof(BlockDriverState));
|
|
memset(hd_table[1], 0, sizeof(BlockDriverState));
|
|
|
|
bdrv_open(hd_table[0], ConfigureParams.HardDisk.szIdeMasterHardDiskImage, 0);
|
|
nIDEPartitions += HDC_PartitionCount(hd_table[0]->fhndl, TRACE_IDE);
|
|
|
|
if (ConfigureParams.HardDisk.bUseIdeSlaveHardDiskImage)
|
|
{
|
|
bdrv_open(hd_table[1], ConfigureParams.HardDisk.szIdeSlaveHardDiskImage, 0);
|
|
nIDEPartitions += HDC_PartitionCount(hd_table[1]->fhndl, TRACE_IDE);
|
|
|
|
ide_init2(&opaque_ide_if[0], hd_table[0], hd_table[1]);
|
|
}
|
|
else
|
|
{
|
|
ide_init2(&opaque_ide_if[0], hd_table[0], NULL);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Free resources from the IDE subsystem
|
|
*/
|
|
void Ide_UnInit(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if (hd_table[i])
|
|
{
|
|
if (bdrv_is_inserted(hd_table[i]))
|
|
{
|
|
bdrv_close(hd_table[i]);
|
|
}
|
|
free(hd_table[i]);
|
|
hd_table[i] = NULL;
|
|
}
|
|
}
|
|
|
|
if (opaque_ide_if)
|
|
{
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if (opaque_ide_if[i].io_buffer)
|
|
{
|
|
free(opaque_ide_if[i].io_buffer);
|
|
opaque_ide_if[i].io_buffer = NULL;
|
|
}
|
|
}
|
|
free(opaque_ide_if);
|
|
opaque_ide_if = NULL;
|
|
}
|
|
|
|
nIDEPartitions = 0;
|
|
}
|