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minor fixes

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cleaned up onReadCapacity last lba calculation
cleaned up Flexible Geometry Mode Page values
This commit is contained in:
Troy 2022-06-25 15:42:36 -04:00
parent 45524964d6
commit d97ea88d17
2 changed files with 19 additions and 22 deletions
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39
src/BlueSCSI.cpp
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@ -1000,19 +1000,18 @@ byte onRequestSense(SCSI_DEVICE *dev, const byte *cdb)
*/
byte onReadCapacity(SCSI_DEVICE *dev, const byte *cdb)
{
uint32_t blocksize = dev->m_blocksize;
uint32_t blockcount = dev->m_fileSize / blocksize - 1; // Points to last LBA
uint32_t lastlba = dev->m_blockcount - 1; // Points to last LBA
uint8_t buf[8] = {
blockcount >> 24,
blockcount >> 16,
blockcount >> 8,
blockcount,
blocksize >> 24,
blocksize >> 16,
blocksize >> 8,
blocksize
lastlba >> 24,
lastlba >> 16,
lastlba >> 8,
lastlba,
dev->m_blocksize >> 24,
dev->m_blocksize >> 16,
dev->m_blocksize >> 8,
dev->m_blocksize
};
writeDataPhase(8, buf);
writeDataPhase(sizeof(buf), buf);
return SCSI_STATUS_GOOD;
}
@ -1224,10 +1223,14 @@ byte onModeSense(SCSI_DEVICE *dev, const byte *cdb)
case SCSI_SENSE_MODE_FLEXABLE_GEOMETRY:
m_buf[a + 0] = SCSI_SENSE_MODE_FLEXABLE_GEOMETRY;
m_buf[a + 1] = 0x1E; // Page length
m_buf[a + 2] = 0x03E8; // Transfer rate 1 mbit/s
m_buf[a + 4] = 16; // Number of heads
m_buf[a + 5] = 18; // Sectors per track
m_buf[a + 6] = 0x2000; // Data bytes per sector
if(pageControl != 1) {
m_buf[a + 2] = 0x03;
m_buf[a + 3] = 0xE8; // Transfer rate 1 mbit/s
m_buf[a + 4] = 16; // Number of heads
m_buf[a + 5] = 18; // Sectors per track
m_buf[a + 6] = (byte)dev->m_blocksize >> 8;
m_buf[a + 7] = (byte)dev->m_blocksize & 0xff; // Data bytes per sector
}
a += 0x20;
if(pageCode != SCSI_SENSE_MODE_ALL) break;
case SCSI_SENSE_MODE_VENDOR_APPLE:
@ -1268,12 +1271,6 @@ byte onModeSelect(SCSI_DEVICE *dev, const byte *cdb)
unsigned length = 0;
LOGN("onModeSelect");
if (cdb[4] > MAX_BLOCKSIZE) {
dev->m_senseKey = SCSI_SENSE_ILLEGAL_REQUEST;
dev->m_additional_sense_code = SCSI_ASC_INVALID_FIELD_IN_CDB;
return SCSI_STATUS_CHECK_CONDITION;
}
if(dev->m_type != SCSI_DEVICE_HDD && (cdb[1] & 0x01))
{
dev->m_senseKey = SCSI_SENSE_ILLEGAL_REQUEST;

2
src/BlueSCSI.h
View File

@ -309,7 +309,7 @@ typedef __attribute__((aligned(4))) struct _SCSI_DEVICE
{
FsFile *m_file; // File object
uint64_t m_fileSize; // File size
size_t m_blocksize; // SCSI BLOCK size
uint16_t m_blocksize; // SCSI BLOCK size
uint8_t m_type; // SCSI device type
uint32_t m_blockcount; // blockcount
bool m_raw; // Raw disk