ST20-C1 STMICROELECTRONICS [STMicroelectronics], ST20-C1 Datasheet - Page 172
ST20-C1
Manufacturer Part Number
ST20-C1
Description
Instruction Set Reference Manual
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST20-C1.pdf
(205 pages)
- Current page: 172 of 205
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A.4
This section lists the constants which are used in this manual.
172/205
BitsPerWord
BytesPerWord
ExceptionBase
ExceptionProc-
essType
false
HighestException
LongMode
LowestException
MaxTimesliceCount
MostNeg
MostPos
NotProcess
ProductId
SavedT askDescriptor
SchedulerQptr
ShortMode
true
UserProcessType
Miscellaneous constants
Name
32
4
#80000040
#1
0
255
1
-7
63
#80000000
#7FFFFFFF
MostNeg
#80000000
Depends on
processor type.
#800000008
MostNeg
#80000000
0
1
#0
Value
Table A.7 Constants
The number of bits in a word.
The number of bytes in a word.
The base of the exception descriptor area.
Bit 0 of exception vector table entry for an exception.
The boolean value ‘false’.
Highest permitted exception level.
smacloop Q15 data format.
Lowest permitted exception level.
Maximum value of timeslice count.
The most negative integer value.
The most positive signed integer value.
Used, wherever a process descriptor is expected, to indi-
cate that there is no process.
A value used to identify the type and revision of processor,
returned by the ldprodid instruction.
Address where user process exception is saved when a
schedule exception trap occurs.
The address of the process list data structure for the
scheduler list.
smacloop Q31 data format.
The boolean value ‘true’.
Bit 0 of exception vector table entry for a user process.
Meaning
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