ST20-C1 STMICROELECTRONICS [STMicroelectronics], ST20-C1 Datasheet - Page 171
ST20-C1
Manufacturer Part Number
ST20-C1
Description
Instruction Set Reference Manual
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST20-C1.pdf
(205 pages)
- Current page: 171 of 205
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A.3
This section defines the data structures used by the ST20-C1 core.
ex.HandlerIptr
ex.InterptdStatus
ex.InterptdTdesc
ex.InterptdIptr
ex.InterptdWptr
ex.InterptdCreg
ex.InterptdBreg
ex.InterptdAreg
pw.Iptr
pw.Wptr
pw.Link
q.BPtrLoc
q.FPtrLoc
s.Back
s.Front
s.Count
Name
Name
Name
Name
Data structures
Table A.5 Waiting process list data structure (see section 7.1)
Word offset
Word offset
Word offset
Table A.4 Process descriptor block (see section 3.3.4)
Table A.6 Semaphore data structure (see section 7.9)
Word offset
2
1
0
1
0
2
1
0
Table A.3 Exception handler (see Chapter 6)
7
6
5
4
3
2
1
0
The instruction pointer.
The instruction pointer.
The link to the next process in the list.
The last process in the waiting process list.
The first process in the w aiting process list.
The last process in the semaphore waiting list.
The first process in the semaphore w aiting list.
The unsigned number of extraprocesses that the semaphore will allow
to continue running on a wait request.
Exception handler instruction pointer.
Interrupted process status register.
Interrupted process task descriptor.
Interrupted process instruction pointer.
Interrupted process stack pointer.
Interrupted process Creg.
Interrupted process Breg.
Interrupted process Areg.
Purpose
Purpose
Purpose
Purpose
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