dev/storage/ide_disk.cc

145     // destroy the data buffer
152     // initialize the data buffer and shadow registers
213 IdeDisk::readCommand(const Addr offset, int size, uint8_t *data)
217             *(uint16_t *)data = cmdReg.data;
219             *(uint16_t *)data = cmdReg.data;
221             *((uint16_t *)data + 1) = cmdReg.data;
231         *data = cmdReg.error;
234         *data = cmdReg.sec_count;
237         *data = cmdReg.sec_num;
240         *data = cmdReg.cyl_low;
243         *data = cmdReg.cyl_high;
246         *data = cmdReg.drive;
249         *data = status;
255     DPRINTF(IdeDisk, "Read to disk at offset: %#x data %#x\n", offset, *data);
259 IdeDisk::readControl(const Addr offset, int size, uint8_t *data)
262     *data = status;
265     DPRINTF(IdeDisk, "Read to disk at offset: %#x data %#x\n", offset, *data);
269 IdeDisk::writeCommand(const Addr offset, int size, const uint8_t *data)
273             cmdReg.data = *(const uint16_t *)data;
275             cmdReg.data = *(const uint16_t *)data;
277             cmdReg.data = *((const uint16_t *)data + 1);
290         cmdReg.sec_count = *data;
293         cmdReg.sec_num = *data;
296         cmdReg.cyl_low = *data;
299         cmdReg.cyl_high = *data;
302         cmdReg.drive = *data;
306         cmdReg.command = *data;
312     DPRINTF(IdeDisk, "Write to disk at offset: %#x data %#x\n", offset,
313             (uint32_t)*data);
317 IdeDisk::writeControl(const Addr offset, int size, const uint8_t *data)
322     if (*data & CONTROL_RST_BIT) {
326     } else if (devState == Device_Srst && !(*data & CONTROL_RST_BIT)) {
330     nIENBit = *data & CONTROL_IEN_BIT;
332     DPRINTF(IdeDisk, "Write to disk at offset: %#x data %#x\n", offset,
333             (uint32_t)*data);
443         // clear out the data buffer
474     // write the data to the disk image
527         // clear out the data buffer
576 IdeDisk::readDisk(uint32_t sector, uint8_t *data)
578     uint32_t bytesRead = image->read(data, sector);
586 IdeDisk::writeDisk(uint32_t sector, uint8_t *data)
588     uint32_t bytesWritten = image->write(data, sector);
638         // Supported non-data commands
663         // Supported PIO data-in commands
688         // Supported PIO data-out commands
861             // copy the data into the data buffer
876             // put the first two bytes into the data register
877             memcpy((void *)&cmdReg.data, (void *)dataBuffer,
904                 // copy next short into data registers
906                     memcpy((void *)&cmdReg.data,
948             // clear the data buffer to get it ready for writes
977                 // copy the latest short into the data buffer
979                        (void *)&cmdReg.data,
1125     SERIALIZE_SCALAR(cmdReg.data);
1178     UNSERIALIZE_SCALAR(cmdReg.data);