Fail* directories reorganized, Code-cleanup (-> coding-style), Typos+comments fixed.
git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1321 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
This commit is contained in:
adrian
271
simulators/bochs/iodev/cdrom_amigaos.cc
Normal file
271
simulators/bochs/iodev/cdrom_amigaos.cc
Normal file
@ -0,0 +1,271 @@
|
||||
/////////////////////////////////////////////////////////////////////////
|
||||
// $Id$
|
||||
/////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Copyright (C) 2000-2009 The Bochs Project
|
||||
//
|
||||
// This library is free software; you can redistribute it and/or
|
||||
// modify it under the terms of the GNU Lesser General Public
|
||||
// License as published by the Free Software Foundation; either
|
||||
// version 2 of the License, or (at your option) any later version.
|
||||
//
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public
|
||||
// License along with this library; if not, write to the Free Software
|
||||
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
//
|
||||
|
||||
// These are the low-level CDROM functions which are called
|
||||
// from 'harddrv.cc'. They effect the OS specific functionality
|
||||
// needed by the CDROM emulation in 'harddrv.cc'. Mostly, just
|
||||
// ioctl() calls and such. Should be fairly easy to add support
|
||||
// for your OS if it is not supported yet.
|
||||
|
||||
|
||||
#include "bochs.h"
|
||||
#include "scsi_commands.h"
|
||||
#include "cdrom.h"
|
||||
|
||||
#include <exec/types.h>
|
||||
#include <exec/memory.h>
|
||||
#include <devices/trackdisk.h>
|
||||
#include <devices/scsidisk.h>
|
||||
#include <dos/dos.h>
|
||||
#include <proto/dos.h>
|
||||
#include <proto/exec.h>
|
||||
#include <clib/alib_protos.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#define LOG_THIS /* no SMF tricks here, not needed */
|
||||
|
||||
#define BX_CD_FRAMESIZE 2048
|
||||
#define CD_FRAMESIZE 2048
|
||||
#define SENSELEN 32
|
||||
#define MAX_DATA_LEN 252
|
||||
|
||||
int amiga_cd_unit;
|
||||
char amiga_cd_device[256];
|
||||
|
||||
struct MsgPort *CDMP; /* Pointer for message port */
|
||||
struct IOExtTD *CDIO; /* Pointer for IORequest */
|
||||
int cd_error;
|
||||
|
||||
typedef struct {
|
||||
UBYTE pad0;
|
||||
UBYTE trackType;
|
||||
UBYTE trackNum;
|
||||
UBYTE pad1;
|
||||
ULONG startFrame;
|
||||
} TOCENTRY;
|
||||
|
||||
typedef struct {
|
||||
UWORD length;
|
||||
UBYTE firstTrack;
|
||||
UBYTE lastTrack;
|
||||
TOCENTRY tocs[100];
|
||||
} TOC;
|
||||
|
||||
typedef struct {
|
||||
ULONG sectors;
|
||||
ULONG blocksize;
|
||||
} CAPACITY;
|
||||
|
||||
unsigned char sensebuf[SENSELEN];
|
||||
|
||||
int DoSCSI (UBYTE * data, int datasize, UBYTE * cmd, int cmdsize, UBYTE flags);
|
||||
|
||||
cdrom_interface::cdrom_interface(char *dev)
|
||||
{
|
||||
char buf[256];
|
||||
|
||||
sscanf(dev, "%s%s", amiga_cd_device, buf);
|
||||
amiga_cd_unit = atoi(buf);
|
||||
|
||||
CDMP = CreateMsgPort();
|
||||
if (CDMP != NULL) {
|
||||
CDIO = (struct IOExtTD *)CreateIORequest(CDMP, sizeof(struct IOExtTD));
|
||||
if (CDIO != NULL) {
|
||||
cd_error = OpenDevice(amiga_cd_device, amiga_cd_unit, (struct IORequest *)CDIO, 0);
|
||||
if (cd_error != 0)
|
||||
BX_PANIC(("CD_Open: could not open device %s unit %d\n", amiga_cd_device, amiga_cd_unit));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
cdrom_interface::~cdrom_interface(void)
|
||||
{
|
||||
if (cd_error == 0) {
|
||||
CloseDevice((struct IORequest *)CDIO);
|
||||
}
|
||||
if (CDIO != NULL) {
|
||||
DeleteIORequest((struct IORequest *)CDIO);
|
||||
}
|
||||
if (CDMP != NULL) {
|
||||
DeleteMsgPort(CDMP);
|
||||
}
|
||||
}
|
||||
|
||||
bx_bool
|
||||
cdrom_interface::insert_cdrom(char *dev)
|
||||
{
|
||||
Bit8u cdb[6];
|
||||
Bit8u buf[2*BX_CD_FRAMESIZE];
|
||||
Bit8u i = 0;
|
||||
|
||||
memset(cdb,0,sizeof(cdb));
|
||||
|
||||
cdb[0] = SCSI_DA_START_STOP_UNIT;
|
||||
cdb[4] = 1 | 2;
|
||||
|
||||
DoSCSI(0, 0,cdb,sizeof(cdb),SCSIF_READ);
|
||||
|
||||
/*Check if there's a valid media present in the drive*/
|
||||
CDIO->iotd_Req.io_Data = buf;
|
||||
CDIO->iotd_Req.io_Command = CMD_READ;
|
||||
CDIO->iotd_Req.io_Length = BX_CD_FRAMESIZE;
|
||||
CDIO->iotd_Req.io_Offset = BX_CD_FRAMESIZE;
|
||||
|
||||
for(i = 0; i < 200; i++) /*it takes a while for the cdrom to validate*/
|
||||
{
|
||||
DoIO((struct IORequest *)CDIO);
|
||||
if (CDIO->iotd_Req.io_Error == 0)
|
||||
break;
|
||||
Delay (10);
|
||||
}
|
||||
|
||||
if (CDIO->iotd_Req.io_Error != 0)
|
||||
return false;
|
||||
else
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
cdrom_interface::eject_cdrom()
|
||||
{
|
||||
Bit8u cdb[6];
|
||||
|
||||
memset(cdb,0,sizeof(cdb));
|
||||
|
||||
cdb[0] = SCSI_DA_START_STOP_UNIT;
|
||||
cdb[4] = 0 | 2;
|
||||
|
||||
DoSCSI(0, 0,cdb,sizeof(cdb),SCSIF_READ);
|
||||
}
|
||||
|
||||
|
||||
bx_bool
|
||||
cdrom_interface::read_toc(Bit8u* buf, int* length, bx_bool msf, int start_track, int format)
|
||||
{
|
||||
Bit8u cdb[10];
|
||||
TOC *toc;
|
||||
toc = (TOC*) buf;
|
||||
|
||||
if (format != 0)
|
||||
return false;
|
||||
|
||||
memset(cdb,0,sizeof(cdb));
|
||||
|
||||
cdb[0] = SCSI_CD_READ_TOC;
|
||||
|
||||
if (msf)
|
||||
cdb[1] = 2;
|
||||
else
|
||||
cdb[1] = 0;
|
||||
|
||||
cdb[6] = start_track;
|
||||
cdb[7] = sizeof(TOC)>>8;
|
||||
cdb[8] = sizeof(TOC)&0xFF;
|
||||
|
||||
DoSCSI((UBYTE *)buf, sizeof(TOC), cdb, sizeof(cdb), SCSIF_READ);
|
||||
|
||||
*length = toc->length + 4;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
Bit32u
|
||||
cdrom_interface::capacity()
|
||||
{
|
||||
CAPACITY cap;
|
||||
Bit8u cdb[10];
|
||||
|
||||
memset(cdb,0,sizeof(cdb));
|
||||
cdb[0] = SCSI_DA_READ_CAPACITY;
|
||||
|
||||
int err;
|
||||
|
||||
if ((err = DoSCSI((UBYTE *)&cap, sizeof(cap),
|
||||
cdb, sizeof (cdb),
|
||||
(SCSIF_READ | SCSIF_AUTOSENSE))) == 0)
|
||||
return(cap.sectors);
|
||||
else
|
||||
BX_PANIC (("Couldn't get media capacity"));
|
||||
}
|
||||
|
||||
bx_bool
|
||||
cdrom_interface::read_block(Bit8u* buf, int lba, int blocksize)
|
||||
{
|
||||
CDIO->iotd_Req.io_Data = buf;
|
||||
CDIO->iotd_Req.io_Command = CMD_READ;
|
||||
CDIO->iotd_Req.io_Length = BX_CD_FRAMESIZE;
|
||||
CDIO->iotd_Req.io_Offset = lba * BX_CD_FRAMESIZE;
|
||||
DoIO((struct IORequest *)CDIO);
|
||||
|
||||
if (CDIO->iotd_Req.io_Error != 0) {
|
||||
BX_PANIC(("Error %d reading CD data sector: %ld", CDIO->iotd_Req.io_Error, lba));
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
bx_bool
|
||||
cdrom_interface::start_cdrom()
|
||||
{
|
||||
// Spin up the cdrom drive.
|
||||
|
||||
if (fd >= 0) {
|
||||
BX_INFO(("start_cdrom: your OS is not supported yet."));
|
||||
return 0; // OS not supported yet, return 0 always.
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int DoSCSI(UBYTE *data, int datasize, Bit8u *cmd,int cmdsize, UBYTE direction)
|
||||
{
|
||||
struct SCSICmd scmd;
|
||||
|
||||
CDIO->iotd_Req.io_Command = HD_SCSICMD;
|
||||
CDIO->iotd_Req.io_Data = &scmd;
|
||||
CDIO->iotd_Req.io_Length = sizeof(scmd);
|
||||
|
||||
scmd.scsi_Data = (UWORD *)data;
|
||||
scmd.scsi_Length = datasize;
|
||||
scmd.scsi_SenseActual = 0;
|
||||
scmd.scsi_SenseData = sensebuf;
|
||||
scmd.scsi_SenseLength = SENSELEN;
|
||||
scmd.scsi_Command = cmd;
|
||||
scmd.scsi_CmdLength = cmdsize;
|
||||
scmd.scsi_Flags = SCSIF_AUTOSENSE | direction;
|
||||
|
||||
DoIO((struct IORequest *)CDIO);
|
||||
|
||||
if (CDIO->iotd_Req.io_Error != 0) {
|
||||
BX_PANIC(("DoSCSI: error %d", CDIO->iotd_Req.io_Error));
|
||||
}
|
||||
|
||||
return CDIO->iotd_Req.io_Error;
|
||||
}
|
||||
|
||||
void cdrom_interface::seek(int lba)
|
||||
{
|
||||
unsigned char buffer[BX_CD_FRAMESIZE];
|
||||
|
||||
read_block(buffer, lba, BX_CD_FRAMESIZE);
|
||||
}
|
||||
Reference in New Issue
Block a user