(old) | htmldiff from- | (new) |
The JOSCR characteristics are:
A Jazelle register, which provides operating system control of the Jazelle Extension.
JOSCR is a 32-bit register.
The JOSCR bit assignments are:
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved, RAZ/WI.
RAZ/WI at EL1, EL2, and EL3. It is IMPLEMENTATION DEFINED whether this field is RAZ/WI or UNDEFINED at EL0.
Accesses to this register use the following encodings:
coproc | opc1 | CRn | CRm | opc2 |
---|---|---|---|---|
0b1110 | 0b111 | 0b0001 | 0b0000 | 0b000 |
if PSTATE.EL == EL0 then if boolean IMPLEMENTATION_DEFINED "JOSCR UNDEFINED at EL0" then UNDEFINED; else return JOSCR; elsif PSTATE.EL == EL1 then return JOSCR; elsif PSTATE.EL == EL2 then return JOSCR; elsif PSTATE.EL == EL3 then return JOSCR;
coproc | opc1 | CRn | CRm | opc2 |
---|---|---|---|---|
0b1110 | 0b111 | 0b0001 | 0b0000 | 0b000 |
if PSTATE.EL == EL0 then if boolean IMPLEMENTATION_DEFINED "JOSCR UNDEFINED at EL0" then UNDEFINED; else //no operation elsif PSTATE.EL == EL1 then //no operation elsif PSTATE.EL == EL2 then //no operation elsif PSTATE.EL == EL3 then //no operation
2713/0312/20192018 2116:5942; e5e4db499bf9867a4b93324c4dbac985d3da93766379d01c197f1d40720d32d0f84c419c9187c009
Copyright © 2010-20192010-2018 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.
(old) | htmldiff from- | (new) |