OS-9 Device Descriptor and Configuration Module Reference
OS-9 Device Descriptor and Configuration Module Reference OS-9 Device Descriptor and Configuration Module Reference
3SCFTMDevice Descriptors MICROWAREv_irqlevelIRQLEVELEditMod Labels4-SCF logical unit static storage2-irq interrupt levelDescriptionThis is the hardware priority of the console device interrupt. When adevice interrupts a processor, the level of the interrupt is used to masklower priority interrupts.Port Generic Default Value0 (zero)Port Specific Override ValueRefer to SCF//DESC/config.des (Figure 3-3).Available Values0 to 65535The number of supported interrupt levels is dependent on the processorbeing used (for example, 1-7 on 680x0 type CPUs).208 OS-9 Device Descriptor and Configuration Module Reference
SCF Device Descriptorsv_priorityEditMod Labels4-SCF logical unit static storage3-irq polling priorityPRIORITY3DescriptionThis is the software (polling) priority for the console device on the IRQpolling table.Port Generic Default Value0 (zero)Port Specific Override ValueRefer to SCF//DESC/config.des (Figure 3-3).Available ValuesThe interrupt priority value range is 0-65534 (65535 is reserved). Anon-zero priority determines the position of the device within the vector.Lower values are polled first.Some considerations to keep in mind when selecting an interruptpriority:• A priority of 0 indicates the device desires exclusive use of thevector.• If the priority is 1, it is polled first and no other device can have apriority of 1 on the vector. For all other priority values, more than onedevice can share the same priority on a vector. In this case, first-in,first-out (FIFO) scheduling determines the order of precedence inthe polling table for the devices.OS-9 Device Descriptor and Configuration Module Reference 209
- Page 157 and 158: OS-9 Configuration Module (init)typ
- Page 159 and 160: OS-9 Configuration Module (init)acc
- Page 161 and 162: OS-9 Configuration Module (init)blk
- Page 163 and 164: OS-9 Configuration Module (init)hil
- Page 165 and 166: OS-9 Configuration Module (init)dma
- Page 167 and 168: OS-9 Configuration Module (init)blk
- Page 169 and 170: Chapter 3: SCF Device DescriptorsSC
- Page 171 and 172: SCF Device Descriptorsnavigate the
- Page 173 and 174: SCF Device DescriptorsDirect Modifi
- Page 175 and 176: SCF Device Descriptors22. word size
- Page 177 and 178: SCF Device DescriptorsSCF Device De
- Page 179 and 180: SCF Device Descriptors_m_groupEditM
- Page 181 and 182: SCF Device Descriptorsmod_nameEditM
- Page 183 and 184: SCF Device DescriptorsTable 3-2 m_a
- Page 185 and 186: SCF Device Descriptors3Available Va
- Page 187 and 188: SCF Device Descriptorsm_attrevEditM
- Page 189 and 190: SCF Device Descriptorsm_editEditMod
- Page 191 and 192: SCF Device Descriptorsdd_portEditMo
- Page 193 and 194: SCF Device Descriptorsdd_pd_sizeEdi
- Page 195 and 196: SCF Device DescriptorsTable 3-7 dd_
- Page 197 and 198: SCF Device Descriptorsdd_modeEditMo
- Page 199 and 200: SCF Device DescriptorsTable 3-9 dd_
- Page 201 and 202: SCF Device Descriptorsdrvr_nameEdit
- Page 203 and 204: SCF Device DescriptorsSCF Descripti
- Page 205 and 206: SCF Device DescriptorsSCF Logical U
- Page 207: SCF Device Descriptorshardware_vect
- Page 211 and 212: SCF Device Descriptorsv_pollinEditM
- Page 213 and 214: SCF Device Descriptorsv_lunEditMod
- Page 215 and 216: SCF Device Descriptorsv_maxbuffEdit
- Page 217 and 218: SCF Device Descriptorsv_outsizeEdit
- Page 219 and 220: SCF Device Descriptorsv_intrEditMod
- Page 221 and 222: SCF Device DescriptorsTable 3-15 AS
- Page 223 and 224: SCF Device Descriptorsv_pschEditMod
- Page 225 and 226: SCF Device Descriptorsv_xoffEditMod
- Page 227 and 228: SCF Device DescriptorsTable 3-16 co
- Page 229 and 230: SCF Device Descriptorsv_parityEditM
- Page 231 and 232: SCF Device Descriptorsv_stopbitsEdi
- Page 233 and 234: SCF Device DescriptorsTable 3-19 v_
- Page 235 and 236: SCF Device Descriptorsv_devspec3Edi
- Page 237 and 238: SCF Device DescriptorsTable 3-21 De
- Page 239 and 240: SCF Device DescriptorsTable 3-21 De
- Page 241 and 242: SCF Device DescriptorsTable 3-21 De
- Page 243 and 244: SCF Device DescriptorsTable 3-21 De
- Page 245 and 246: SCF Device Descriptorspd_inmap0type
- Page 247 and 248: SCF Device Descriptorspd_inmap0func
- Page 249 and 250: SCF Device Descriptorspd_inmap0size
- Page 251 and 252: SCF Device Descriptorspd_inmap1type
- Page 253 and 254: SCF Device Descriptorspd_inmap1size
- Page 255 and 256: SCF Device Descriptorspd_inmap2type
- Page 257 and 258: SCF Device Descriptorspd_inmap2size
SCF <strong>Device</strong> <strong>Descriptor</strong>sv_priorityEditMod Labels4-SCF logical unit static storage3-irq polling priorityPRIORITY3DescriptionThis is the software (polling) priority for the console device on the IRQpolling table.Port Generic Default Value0 (zero)Port Specific Override ValueRefer to SCF//DESC/config.des (Figure 3-3).Available ValuesThe interrupt priority value range is 0-65534 (65535 is reserved). Anon-zero priority determines the position of the device within the vector.Lower values are polled first.Some considerations to keep in mind when selecting an interruptpriority:• A priority of 0 indicates the device desires exclusive use of thevector.• If the priority is 1, it is polled first <strong>and</strong> no other device can have apriority of 1 on the vector. For all other priority values, more than onedevice can share the same priority on a vector. In this case, first-in,first-out (FIFO) scheduling determines the order of precedence inthe polling table for the devices.<strong>OS</strong>-9 <strong>Device</strong> <strong>Descriptor</strong> <strong>and</strong> <strong>Configuration</strong> <strong>Module</strong> <strong>Reference</strong> 209
Change language