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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
MDAS
Cross Reference (Contains links to field and bit definitions)
MDAS Prolog
Name : HCPTCMBK
Description: MDAS maps an area in the TCMBK with
information for each address space used by
MDC.
DSECT : MDAS
Notes : Serialized by TCMPTELK when adding new address spaces.
MDAS Control Block Content
MDAS DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure MDAS MDAS maps an area in the TCMBK with 0000 0 Signed 4 MDALET ALET for address space 0004 4 Signed 4 MDASTO Segment table origin 00000008 MDASIZE *-MDAS Size of address space fields 00000003 MDASZSHF 3 Use this in a SRL instruction to "divide" by MDASIZE or SLL to "multiply"
MDAS Storage Layout
*** MDAS - MDAS maps an area in the TCMBK with * * +---------------------------+---------------------------+ * 0 | MDALET | MDASTO | * +---------------------------+---------------------------+ * 8 * *** MDAS - MDAS maps an area in the TCMBK with
MDAS Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----MDALET 0000
MDASIZE 0004 00000008
MDASTO 0004
MDASZSHF 0004 00000003
Last updated on 3 Aug 1999 at 13:38:42 EDT.
Copyright IBM Corporation, 1990, 1999