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Partial IDE DVD emulation, by Filip Navara. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3161 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-09-13 02:20:40 +00:00
parent ce62e5ba09
commit d14049eaec
1 changed files with 74 additions and 2 deletions
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76
hw/ide.c
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@ -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;
max_len = ube16_to_cpu(packet + 7);
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);