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- implemented SCSI command 0x23

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This commit is contained in:
Volker Ruppert 2009-03-31 20:04:56 +00:00
parent c7e3604303
commit c7ad2a9515
1 changed files with 36 additions and 1 deletions
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37
bochs/iodev/scsi_device.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: scsi_device.cc,v 1.12 2009-03-29 00:22:03 vruppert Exp $
// $Id: scsi_device.cc,v 1.13 2009-03-31 20:04:56 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2007 Volker Ruppert
@ -567,6 +567,41 @@ Bit32s scsi_device_t::scsi_send_command(Bit32u tag, Bit8u *buf, int lun)
case 0x2f:
BX_INFO(("Verify"));
break;
case 0x23: {
// USBMASS-UFI10.pdf  rev 1.0  Section 4.10
BX_INFO(("READ FORMAT CAPACITIES (MMC)"));
unsigned lun = (buf[1] >> 5);
unsigned len = (buf[7]<<8) | buf[8];
#define OUR_LEN 12
// Cap List Header
outbuf[0] = 0;
outbuf[1] = 0;
outbuf[2] = 0;
outbuf[3] = OUR_LEN;
// Current/Max Cap Header
if (type == SCSIDEV_TYPE_CDROM) {
nb_sectors = cdrom->capacity() - 1;
} else {
nb_sectors = (hdimage->hd_size / 512) - 1;
}
/* Returned value is the address of the last sector.  */
outbuf[4] = (Bit8u)((nb_sectors >> 24) & 0xff);
outbuf[5] = (Bit8u)((nb_sectors >> 16) & 0xff);
outbuf[6] = (Bit8u)((nb_sectors >> 8) & 0xff);
outbuf[7] = (Bit8u)(nb_sectors & 0xff);
outbuf[8] = 2; // formatted (1 = unformatted)
outbuf[9] = 0;
outbuf[10] = cluster_size * 2;
outbuf[11] = 0;
r->buf_len = (len < OUR_LEN) ? len : OUR_LEN;
}
break;
default:
BX_ERROR(("Unknown SCSI command (%2.2x)", buf[0]));
fail: