mirror of
https://github.com/RPCSX/xed.git
synced 2026-01-31 01:05:17 +01:00
102 lines
3.2 KiB
Plaintext
102 lines
3.2 KiB
Plaintext
#BEGIN_LEGAL
|
|
#
|
|
#Copyright (c) 2016 Intel Corporation
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
#END_LEGAL
|
|
###########################################################################
|
|
## file: xed-eOSZ.txt
|
|
###########################################################################
|
|
|
|
OSZ_NONTERM()::
|
|
|
|
mode16 no66_prefix | EOSZ=1
|
|
mode16 66_prefix | EOSZ=2
|
|
|
|
mode32 66_prefix | EOSZ=1
|
|
mode32 no66_prefix | EOSZ=2
|
|
|
|
# NOTE this can get overridden later if a DF64 NT shows up.
|
|
mode64 66_prefix norexw_prefix | EOSZ=1
|
|
mode64 no66_prefix norexw_prefix | EOSZ=2
|
|
mode64 66_prefix rexw_prefix | EOSZ=3
|
|
mode64 no66_prefix rexw_prefix | EOSZ=3
|
|
|
|
|
|
# Things that default to 64b mode invoke this nonterminal once they
|
|
# are identified to denote that fact. Placement of this nonterminal is
|
|
# critical for those operations and the ones the might collide with
|
|
# during decoding. See PUSHF/PUSHFD/PUSHFQ.
|
|
#
|
|
# Denote the DF64=1 (df64).
|
|
DF64()::
|
|
mode16 |
|
|
mode32 |
|
|
mode64 66_prefix norexw_prefix | EOSZ=1 df64
|
|
mode64 no66_prefix norexw_prefix | EOSZ=3 df64
|
|
mode64 66_prefix rexw_prefix | EOSZ=3 df64
|
|
mode64 no66_prefix rexw_prefix | EOSZ=3 df64
|
|
|
|
# if we have a refining OSZ 0x66 prefix, then we must undo the effects
|
|
# of the OSZ_NONTERM(). DF64 is not used with anything that has refining 66 prefixes.
|
|
# We turn off the osze prefix because it is really behaving like a refining prefix for these instructions.
|
|
REFINING66()::
|
|
mode16 | EOSZ=1 no66_prefix
|
|
mode32 | EOSZ=2 no66_prefix
|
|
mode64 norexw_prefix | EOSZ=2 no66_prefix
|
|
mode64 rexw_prefix | EOSZ=3 no66_prefix
|
|
|
|
IGNORE66()::
|
|
mode16 | EOSZ=1 no66_prefix
|
|
mode32 | EOSZ=2 no66_prefix
|
|
mode64 norexw_prefix | EOSZ=2 no66_prefix
|
|
mode64 rexw_prefix | EOSZ=3 no66_prefix
|
|
|
|
|
|
# IMMUNE66() is used to make 16b mode behave like 32b mode.
|
|
# Used for:
|
|
# cmpxchg8b / cmpxchg16b,
|
|
# NHM sttni instr: pcmpestri, pcmpistrm, pcmpestrm, pcmpistri,
|
|
# BDW adox, adcx.
|
|
#
|
|
IMMUNE66()::
|
|
mode16 | EOSZ=2 no66_prefix
|
|
mode32 | EOSZ=2 no66_prefix
|
|
mode64 norexw_prefix | EOSZ=2 no66_prefix
|
|
mode64 rexw_prefix | EOSZ=3 no66_prefix
|
|
|
|
CR_WIDTH()::
|
|
mode16 | EOSZ=2 DF32=1 no66_prefix
|
|
mode32 | EOSZ=2 DF32=1 no66_prefix
|
|
mode64 | EOSZ=3 DF64=1 no66_prefix
|
|
|
|
|
|
IMMUNE66_LOOP64()::
|
|
mode16 |
|
|
mode32 |
|
|
mode64 | EOSZ=3 no66_prefix
|
|
|
|
IMMUNE_REXW()::
|
|
mode16 |
|
|
mode32 |
|
|
mode64 no66_prefix | EOSZ=2
|
|
mode64 66_prefix rexw_prefix | EOSZ=2
|
|
mode64 66_prefix norexw_prefix | EOSZ=1
|
|
|
|
# FORCE64() can only be used with mode64 stuff (else encode does not
|
|
# work). see IMMUNE66_LOOP64() for something that works in all modes.
|
|
FORCE64()::
|
|
mode64 | EOSZ=3 no66_prefix
|
|
otherwise |
|