Commit d14049ea authored by Thiemo Seufer's avatar Thiemo Seufer
Browse files

Partial IDE DVD emulation, by Filip Navara. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3161 c046a42c-6fe2-441c-8c8c-71466251a162
parent ce62e5ba

hw/ide.c

+74 −2
Original line number Diff line number Diff line
@@ -261,6 +261,7 @@ 
 * 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
@@ -1329,10 +1330,14 @@ static void ide_atapi_cmd(IDEState *s) 
                                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) {
@@ -1368,7 +1373,7 @@ static void ide_atapi_cmd(IDEState *s) 


                    buf[8] = 0x2a;

                    buf[9] = 0x12;

                    buf[10] = 0x00;

                    buf[10] = 0x08;

                    buf[11] = 0x00;

                    

                    buf[12] = 0x70;
@@ -1582,6 +1587,50 @@ static void ide_atapi_cmd(IDEState *s) 
            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];

            int64_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;



                    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 */
@@ -1597,6 +1646,29 @@ static void ide_atapi_cmd(IDEState *s) 
        padstr8(buf + 32, 4, QEMU_VERSION);

        ide_atapi_cmd_reply(s, 36, max_len);

        break;

    case GPCMD_GET_CONFIGURATION:

        {

            int64_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);