Macintosh-HW/greenscsi
1
0
Fork 0
mirror of https://github.com/dkgrizzly/GreenSCSI.git synced 2024-12-27 07:31:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

Tape Fixes

Browse Source 
Fixing various tape commands
This commit is contained in:
David Kuder 2022-06-11 11:06:20 -04:00
parent 2f14c0fed2
commit cb123509d2
1 changed files with 75 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

100
src/tape.ino
View File

@ -5,12 +5,17 @@
/* /*
* READ6 / 10 Command processing. * READ6 / 10 Command processing.
*/ */
void TapeReadCommandHandler() void onTapeReadCommand(uint32_t adds, uint32_t len)
{ {
uint32_t len; LOG("-R ");
LOGHEX4N(len);
LOG("[Read6]"); if(!m_sel) {
len = (m_cmd[4] << 16) | (m_cmd[3] << 8) | m_cmd[2]; m_sts |= STATUS_CHECK;
m_phase = PHASE_STATUSIN;
return;
}
switch(m_cmd[1] & 0x3) { switch(m_cmd[1] & 0x3) {
case 0: case 0:
if(len == 0) return; if(len == 0) return;
@ -29,11 +34,7 @@ void TapeReadCommandHandler()
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
return; return;
} }
LOG("-R ");
LOGHEX4N(len);
if(!m_sel) return 0x02; // Image file absent
LED_ON(); LED_ON();
writeDataPhaseTape(len); writeDataPhaseTape(len);
LED_OFF(); LED_OFF();
@ -44,14 +45,16 @@ void TapeReadCommandHandler()
/* /*
* WRITE6 / 10 Command processing. * WRITE6 / 10 Command processing.
*/ */
void TapeWriteCommandHandler() void onTapeWriteCommand(uint32_t adds, uint32_t len)
{ {
uint32_t len; LOG("-W ");
LOG("[Write6]-W ");
LOGHEX4N(len); LOGHEX4N(len);
if(!m_sel) return 0x02; // Image file absent if(!m_sel) {
m_sts |= STATUS_CHECK;
m_phase = PHASE_STATUSIN;
return;
}
LED_ON(); LED_ON();
m_sel->m_file.write(&len, 4); m_sel->m_file.write(&len, 4);
@ -62,6 +65,40 @@ void TapeWriteCommandHandler()
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
} }
void TapeRead6CommandHandler() {
LOG("[Read6]");
m_sts |= onTapeReadCommand((((uint32_t)m_cmd[1] & 0x1F) << 16) | ((uint32_t)m_cmd[2] << 8) | m_cmd[3], (m_cmd[4] == 0) ? 0x100 : m_cmd[4]);
m_phase = PHASE_STATUSIN;
}
void TapeWrite6CommandHandler() {
LOG("[Write6]");
m_sts |= onTapeWriteCommand((((uint32_t)m_cmd[1] & 0x1F) << 16) | ((uint32_t)m_cmd[2] << 8) | m_cmd[3], (m_cmd[4] == 0) ? 0x100 : m_cmd[4]);
m_phase = PHASE_STATUSIN;
}
void TapeSeek6CommandHandler() {
LOG("[Seek6]");
m_phase = PHASE_STATUSIN;
}
void TapeRead10CommandHandler() {
LOG("[Read10]");
m_sts |= onTapeReadCommand(((uint32_t)m_cmd[2] << 24) | ((uint32_t)m_cmd[3] << 16) | ((uint32_t)m_cmd[4] << 8) | m_cmd[5], ((uint32_t)m_cmd[7] << 8) | m_cmd[8]);
m_phase = PHASE_STATUSIN;
}
void TapeWrite10CommandHandler() {
LOG("[Write10]");
m_sts |= onTapeWriteCommand(((uint32_t)m_cmd[2] << 24) | ((uint32_t)m_cmd[3] << 16) | ((uint32_t)m_cmd[4] << 8) | m_cmd[5], ((uint32_t)m_cmd[7] << 8) | m_cmd[8]);
m_phase = PHASE_STATUSIN;
}
void TapeSeek10CommandHandler() {
LOG("[Seek10]");
m_phase = PHASE_STATUSIN;
}
void TapeModeSense6CommandHandler() { void TapeModeSense6CommandHandler() {
uint8_t len; uint8_t len;
int page, pagemax, pagemin; int page, pagemax, pagemin;
@ -69,7 +106,7 @@ void TapeModeSense6CommandHandler() {
LOGN("[ModeSense6]"); LOGN("[ModeSense6]");
/* Check whether medium is present */ /* Check whether medium is present */
if(!m_sel) { if(!m_sel) {
m_sts |= 0x02; m_sts |= STATUS_CHECK;
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
return; return;
} }
@ -139,6 +176,12 @@ void TapeLoadUnloadCommandHandler() {
} else { } else {
LOGN("[Unload]"); LOGN("[Unload]");
} }
if(!m_sel) {
m_sts |= STATUS_CHECK;
m_phase = PHASE_STATUSIN;
return;
}
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
} }
@ -148,13 +191,19 @@ void TapePreventRemovalCommandHandler() {
} else { } else {
LOGN("[Allow Removal]"); LOGN("[Allow Removal]");
} }
if(!m_sel) {
m_sts |= STATUS_CHECK;
m_phase = PHASE_STATUSIN;
return;
}
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
} }
void TapeReadCapacityCommandHandler() { void TapeReadCapacityCommandHandler() {
LOGN("[ReadCapacity]"); LOGN("[ReadCapacity]");
if(!m_sel) { if(!m_sel) {
m_sts |= 0x02; // Image file absent m_sts |= STATUS_CHECK; // Image file absent
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
return; return;
} }
@ -172,7 +221,7 @@ void TapeReadCapacityCommandHandler() {
void TapeEraseCommandHandler() { void TapeEraseCommandHandler() {
LOGN("[Erase]"); LOGN("[Erase]");
if(!m_sel) { if(!m_sel) {
m_sts |= 0x02; // Image file absent m_sts |= STATUS_CHECK; // Image file absent
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
return; return;
} }
@ -183,7 +232,7 @@ void TapeReadBlockLimitsCommandHandler() {
uint16_t len = 0; uint16_t len = 0;
LOGN("[ReadBlockLimits]"); LOGN("[ReadBlockLimits]");
if(!m_sel) { if(!m_sel) {
m_sts |= 0x02; // Image file absent m_sts |= STATUS_CHECK; // Image file absent
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
return; return;
} }
@ -201,7 +250,7 @@ void TapeReadBlockLimitsCommandHandler() {
void TapeRewindUnitCommandHandler() { void TapeRewindUnitCommandHandler() {
LOGN("[Rewind]"); LOGN("[Rewind]");
if(!m_sel) { if(!m_sel) {
m_sts |= 0x02; // Image file absent m_sts |= STATUS_CHECK; // Image file absent
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
return; return;
} }
@ -214,10 +263,11 @@ void TapeReadPositionCommandHandler() {
uint16_t len = 0; uint16_t len = 0;
LOGN("[ReadPosition]"); LOGN("[ReadPosition]");
if(!m_sel) { if(!m_sel) {
m_sts |= 0x02; // Image file absent m_sts |= STATUS_CHECK; // Image file absent
m_phase = PHASE_STATUSIN; m_phase = PHASE_STATUSIN;
return; return;
} }
m_responsebuffer[len++] = (m_sel->m_filemarks == 0) ? (1 << 7) : 0; m_responsebuffer[len++] = (m_sel->m_filemarks == 0) ? (1 << 7) : 0;
m_responsebuffer[len++] = 0x00; // Partition(0) m_responsebuffer[len++] = 0x00; // Partition(0)
m_responsebuffer[len++] = 0x00; // Reserved m_responsebuffer[len++] = 0x00; // Reserved
@ -252,18 +302,18 @@ void ConfigureTapeHandlers(VirtualDevice_t *vdev) {
vdev->m_handler[CMD_REZERO_UNIT] = &TapeRewindUnitCommandHandler; vdev->m_handler[CMD_REZERO_UNIT] = &TapeRewindUnitCommandHandler;
vdev->m_handler[CMD_REQUEST_SENSE] = &RequestSenseCommandHandler; vdev->m_handler[CMD_REQUEST_SENSE] = &RequestSenseCommandHandler;
vdev->m_handler[CMD_READ_BLOCK_LIMITS] = &TapeReadBlockLimitsCommandHandler; vdev->m_handler[CMD_READ_BLOCK_LIMITS] = &TapeReadBlockLimitsCommandHandler;
vdev->m_handler[CMD_READ6] = &TapeReadCommandHandler; vdev->m_handler[CMD_READ6] = &TapeRead6CommandHandler;
vdev->m_handler[CMD_WRITE6] = &TapeWriteCommandHandler; vdev->m_handler[CMD_WRITE6] = &TapeWrite6CommandHandler;
vdev->m_handler[CMD_SEEK6] = &TapeSeekCommandHandler; vdev->m_handler[CMD_SEEK6] = &TapeSeek6CommandHandler;
vdev->m_handler[CMD_INQUIRY] = &InquiryCommandHandler; vdev->m_handler[CMD_INQUIRY] = &InquiryCommandHandler;
vdev->m_handler[CMD_MODE_SELECT6] = &ModeSelect6CommandHandler; vdev->m_handler[CMD_MODE_SELECT6] = &ModeSelect6CommandHandler;
vdev->m_handler[CMD_MODE_SENSE6] = &TapeModeSense6CommandHandler; vdev->m_handler[CMD_MODE_SENSE6] = &TapeModeSense6CommandHandler;
vdev->m_handler[CMD_START_STOP_UNIT] = &TapeLoadUnloadCommandHandler; vdev->m_handler[CMD_START_STOP_UNIT] = &TapeLoadUnloadCommandHandler;
vdev->m_handler[CMD_PREVENT_REMOVAL] = &TapePreventRemovalCommandHandler; vdev->m_handler[CMD_PREVENT_REMOVAL] = &TapePreventRemovalCommandHandler;
vdev->m_handler[CMD_READ_CAPACITY10] = &TapeReadCapacityCommandHandler; vdev->m_handler[CMD_READ_CAPACITY10] = &TapeReadCapacityCommandHandler;
vdev->m_handler[CMD_READ10] = &TapeReadCommandHandler; vdev->m_handler[CMD_READ10] = &TapeRead10CommandHandler;
vdev->m_handler[CMD_WRITE10] = &TapeWriteCommandHandler; vdev->m_handler[CMD_WRITE10] = &TapeWrite10CommandHandler;
vdev->m_handler[CMD_SEEK10] = &TapeSeekCommandHandler; vdev->m_handler[CMD_SEEK10] = &TapeSeek10CommandHandler;
vdev->m_handler[CMD_READPOSITION10] = &TapeReadPositionCommandHandler; vdev->m_handler[CMD_READPOSITION10] = &TapeReadPositionCommandHandler;
vdev->m_handler[CMD_MODE_SELECT10] = &ModeSelect10CommandHandler; vdev->m_handler[CMD_MODE_SELECT10] = &ModeSelect10CommandHandler;
vdev->m_handler[CMD_MODE_SENSE10] = &TapeModeSense10CommandHandler; vdev->m_handler[CMD_MODE_SENSE10] = &TapeModeSense10CommandHandler;