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logging & handle(?) accessing of a non-connected disk device

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folkert van heusden 2024-04-22 00:03:35 +02:00
parent 3892e752c5
commit 6b05fc87c2
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 19 additions and 12 deletions
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31
rl02.cpp
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@ -89,7 +89,7 @@ uint16_t rl02::readWord(const uint16_t addr)
value = registers[reg]; value = registers[reg];
} }
DOLOG(debug, false, "RL02 read \"%s\"/%o: %06o", regnames[reg], addr, value); DOLOG(debug, false, "RL02: read \"%s\"/%o: %06o", regnames[reg], addr, value);
return value; return value;
} }
@ -137,7 +137,7 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
{ {
const int reg = (addr - RL02_BASE) / 2; const int reg = (addr - RL02_BASE) / 2;
DOLOG(debug, false, "RL02 write \"%s\"/%06o: %06o", regnames[reg], addr, v); DOLOG(debug, false, "RL02: write \"%s\"/%06o: %06o", regnames[reg], addr, v);
registers[reg] = v; registers[reg] = v;
@ -146,15 +146,22 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
const bool do_exec = !(v & 128); const bool do_exec = !(v & 128);
DOLOG(debug, false, "RL02 set command %d, exec: %d (%s)", command, do_exec, commands[command]);
int device = (v >> 8) & 3; int device = (v >> 8) & 3;
DOLOG(debug, false, "RL02: device %d, set command %d, exec: %d (%s)", device, command, do_exec, commands[command]);
bool do_int = false; bool do_int = false;
*disk_read_acitivity = true; *disk_read_acitivity = true;
if (command == 2) { // get status if (size_t(device) >= fhs.size()) {
DOLOG(info, false, "RL02: PDP11/70 is accessing a not-attached virtual disk %d", device);
registers[(RL02_CSR - RL02_BASE) / 2] |= (1 << 10) | (1 << 15);
do_int = true;
}
else if (command == 2) { // get status
mpr[0] = 5 /* lock on */ | (1 << 3) /* brush home */ | (1 << 4) /* heads over disk */ | (head << 6) | (1 << 7) /* RL02 */; mpr[0] = 5 /* lock on */ | (1 << 3) /* brush home */ | (1 << 4) /* heads over disk */ | (head << 6) | (1 << 7) /* RL02 */;
mpr[1] = mpr[0]; mpr[1] = mpr[0];
} }
@ -170,7 +177,7 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
else if (new_track >= rl02_track_count) else if (new_track >= rl02_track_count)
new_track = rl02_track_count - 1; new_track = rl02_track_count - 1;
DOLOG(debug, false, "RL02: seek from cylinder %d to %d (distance: %d, DAR: %06o)", track, new_track, cylinder_count, temp); DOLOG(debug, false, "RL02: device %d, seek from cylinder %d to %d (distance: %d, DAR: %06o)", device, track, new_track, cylinder_count, temp);
track = new_track; track = new_track;
// update_dar(); // update_dar();
@ -182,7 +189,7 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
mpr[1] = 0; // zero mpr[1] = 0; // zero
mpr[2] = 0; // TODO: CRC mpr[2] = 0; // TODO: CRC
DOLOG(debug, false, "RL02 read header [cylinder: %d, head: %d, sector: %d] %06o", track, head, sector, mpr[0]); DOLOG(debug, false, "RL02: device %d, read header [cylinder: %d, head: %d, sector: %d] %06o", device, track, head, sector, mpr[0]);
do_int = true; do_int = true;
} }
@ -201,13 +208,13 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
uint32_t temp_disk_offset = calc_offset(); uint32_t temp_disk_offset = calc_offset();
DOLOG(debug, false, "RL02 write %d bytes (dec) to %d (dec) from %06o (oct) [cylinder: %d, head: %d, sector: %d]", count, temp_disk_offset, memory_address, track, head, sector); DOLOG(debug, false, "RL02: device %d, write %d bytes (dec) to %d (dec) from %06o (oct) [cylinder: %d, head: %d, sector: %d]", device, count, temp_disk_offset, memory_address, track, head, sector);
while(count > 0) { while(count > 0) {
uint32_t cur = std::min(uint32_t(sizeof xfer_buffer), count); uint32_t cur = std::min(uint32_t(sizeof xfer_buffer), count);
if (!fhs.at(device)->write(temp_disk_offset, cur, xfer_buffer)) { if (!fhs.at(device)->write(temp_disk_offset, cur, xfer_buffer)) {
DOLOG(ll_error, true, "RL02 write error, device %d, disk offset %u, read size %u, cylinder %d, head %d, sector %d", device, temp_disk_offset, cur, track, head, sector); DOLOG(ll_error, true, "RL02: write error, device %d, disk offset %u, read size %u, cylinder %d, head %d, sector %d", device, temp_disk_offset, cur, track, head, sector);
break; break;
} }
@ -247,7 +254,7 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
uint32_t temp_disk_offset = calc_offset(); uint32_t temp_disk_offset = calc_offset();
DOLOG(debug, false, "RL02 read %d bytes (dec) from %d (dec) to %06o (oct) [cylinder: %d, head: %d, sector: %d]", count, temp_disk_offset, memory_address, track, head, sector); DOLOG(debug, false, "RL02: device %d, read %d bytes (dec) from %d (dec) to %06o (oct) [cylinder: %d, head: %d, sector: %d]", device, count, temp_disk_offset, memory_address, track, head, sector);
// update_dar(); // update_dar();
@ -255,7 +262,7 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
uint32_t cur = std::min(uint32_t(sizeof xfer_buffer), count); uint32_t cur = std::min(uint32_t(sizeof xfer_buffer), count);
if (!fhs.at(device)->read(temp_disk_offset, cur, xfer_buffer)) { if (!fhs.at(device)->read(temp_disk_offset, cur, xfer_buffer)) {
DOLOG(ll_error, true, "RL02 read error, device %d, disk offset %u, read size %u, cylinder %d, head %d, sector %d", device, temp_disk_offset, cur, track, head, sector); DOLOG(ll_error, true, "RL02: read error, device %d, disk offset %u, read size %u, cylinder %d, head %d, sector %d", device, temp_disk_offset, cur, track, head, sector);
break; break;
} }
@ -296,7 +303,7 @@ void rl02::writeWord(const uint16_t addr, uint16_t v)
if (do_int) { if (do_int) {
if (registers[(RL02_CSR - RL02_BASE) / 2] & 64) { // interrupt enable? if (registers[(RL02_CSR - RL02_BASE) / 2] & 64) { // interrupt enable?
DOLOG(debug, false, "RL02 triggering interrupt"); DOLOG(debug, false, "RL02: triggering interrupt");
b->getCpu()->queue_interrupt(5, 0160); b->getCpu()->queue_interrupt(5, 0160);
} }