Figures
1. The VM/SP Library .......................................................... xii
2. 2K Storage Protection Key ...................................................... 6
3. Storage Layout in a Virtual=Real Machine ......................................... 33
4. Functions and Instructions that ECPS Supports ..................................... 40 5. CP commands and 3088 Support ................................................. 43
6. Virtual Machine Communication Facility (VMCF) Subfunctions ........................ 84
7. The SEND Protocol ........................................................... 88
8. The SEND/RECV Protocol .................................................... 89
9. The SENDX Protocol ......................................................... 90 10. The IDENTIFY Protocol ....................................................... 91
11. VMCF Subfunctions, Parameters, and Return Codes ................................ 102 12. DIAGNOSE Code X'68' Return Codes ........................................... 106 13. DIAGNOSE Code X'68' Data Transfer Error Codes ................................ 109 14. IUCV Queues .............................................................. 112
15. IUCV Data Transfer ......................................................... 112
16. Sequence of Functions ........................................................ 123
17. IUCV Macro Instruction Format ................................................ 128
18. IUCV Function and IUCV Macro Parameter Relationships ........................... 139
19. Pending Connection External Interrupt Format ..................................... 159 20. Connection Complete External Interrupt Format ................................... 159
21. Incoming Message External Interrupt Format ...................................... 160 22. Message Complete External Interrupt Format ...................................... 160 23. SEVER, QUIESCE, RESUME External Interrupt Format ............................ 160 24. IUCV Return Codes and Completion Codes ....................................... 171
25. Virtual Console Support in CP .................................................. 178
26. SNA Virtual Console Support Interfaces .......................................... 181
27. Summary of Logical Device Support Facility Sub functions ............................ 204 28. Formats of Pseudo Timer Information ........................................... 207 29. Storage Layout in a Virtual=Real Machine ........................................ 210 30. Sample of the Correct Way to Set a Flag in an AP/MP Environment .................... 214
31. Hierarchy of VM/SP Locks .................. " ................................ 215
32. Addressable Storage Before and After a LOADSYS Function ......................... 254
33. UCSB Associative Field Chart .................................................. 287
34. Devices Supported by a CMS Virtual Machine ..................................... 316
35. CMS Storage Map 1 ......................................................... 320 36. CMS Storage Map 2 ......................................................... 321
37. CMS Storage Map 3 ......................................................... 322
38. CMS Command (and Request) Processing ........................................ 341
39. PSW Fields When Called Routine Starts .......................................... 343 40. Register Contents When Called Routine Starts ..................................... 344
41. Sequence of Instructions in Virtual Machine to Virtual Machine Communication ........... 366
42. Simulated OS Supervisor Calls .................................................. 371
43. Summary of Changes to CMS Commands to Support CMS/DOS ....................... 388
44. Physical 10CS Macros Supported by CMS/DOS .................................... 392
45. SVC Support Routines and Their Operation ....................................... 392
46. CMS/DOS Support of DTFCD Macro ........................................... 401 47. CMS/DOS Support of DTFCN macro ........................................... 402 48. CMS/DOS Support of DTFDI Macro ............................................ 402 49. CMS/DOS Support of DTFMT Macro ........................................... 404 50. CMS/DOS Support of DTFPR Macro ............................................ 405 51. CMS/DOS Support of DTFSD Macro ............................................ 406 52. The Programmable Operator Facility in a Distributed System .......................... 429
53. Partial routing table .......................................................... 431
54. Example of Entries to Filter Responses to Routine Commands ......................... 436
55. Example of Uncontrolled Authorization .......................................... 437
56. Example of Restricting Authorization by Nodeid ................................... 437
57. Example of Restricting Authorization by Userid and Nodeid .......................... 438
58. Register Conventions for Invoking an Action Routine ................................ 454
59. An Overlay Structure ......................................................... 463 60. Abend Messages ............................................................ 467
61. VM/SP Problem Types ....................................................... 471
62. Does a Problem Exist? ........................................................ 472
63. Debug Procedures for Waits and Loops ........................................... 473
64. Debug Procedures for Unexpected Results and an Abend ............................. 474
65. Summary of VM/SP Debugging Tools ............................................ 489
66. Comparison of CP and CMS Facilities for Debugging ................................ 495
Figures xxiii
67. CP Trace Table Entries ....................................................... 504 68. CP Control Block Relationships ............................................. , ... 512
69. CP Device Classes, Types, Models, and Features ................................... 517 70. VMDUMP Record Format .................................................... 524
71. CMS Control Blocks ......................................................... 531
72. Control Register Allocation .................................................... 537
73. Control Register Assignments .................................................. 538
74. The Extended Control PSW (Program Status Word) ................................. 541
xxiv VM/SP System Programmer's Guide
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