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1<?xml version="1.0" encoding="UTF-8"?>
2<!--
3Copyright © 2020 Google, Inc.
4
5Permission is hereby granted, free of charge, to any person obtaining a
6copy of this software and associated documentation files (the "Software"),
7to deal in the Software without restriction, including without limitation
8the rights to use, copy, modify, merge, publish, distribute, sublicense,
9and/or sell copies of the Software, and to permit persons to whom the
10Software is furnished to do so, subject to the following conditions:
11
12The above copyright notice and this permission notice (including the next
13paragraph) shall be included in all copies or substantial portions of the
14Software.
15
16THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22SOFTWARE.
23 -->
24
25<isa>
26
27<!--
28	Cat7 Instructions:  barrier instructions
29 -->
30
31<bitset name="#instruction-cat7" extends="#instruction">
32	<display>
33		{SY}{JP}{NAME}{G}{L}{R}{W}
34	</display>
35	<pattern low="0"  high="31">xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx</pattern>
36	<pattern low="32" high="43">xxxxxxxxxxxx</pattern>
37	<pattern pos="44"          >x</pattern>  <!-- possilby (ss) ? -->
38	<pattern low="45" high="50">x1xxxx</pattern>
39	<field   pos="51"          name="W"  type="bool" display=".w"  />  <!-- write -->
40	<field   pos="52"          name="R"  type="bool" display=".r"  />  <!-- read -->
41	<field   pos="53"          name="L"  type="bool" display=".l"  />  <!-- local -->
42	<field   pos="54"          name="G"  type="bool" display=".g"  />  <!-- global -->
43	<!-- 4b OPC -->
44	<field   pos="59"          name="JP" type="bool" display="(jp)"/>
45	<field   pos="60"          name="SY" type="bool" display="(sy)"/>
46	<pattern low="61" high="63">111</pattern>  <!-- cat7 -->
47	<encode>
48		<map name="W">src->cat7.w</map>
49		<map name="R">src->cat7.r</map>
50		<map name="L">src->cat7.l</map>
51		<map name="G">src->cat7.g</map>
52	</encode>
53</bitset>
54
55<bitset name="bar" extends="#instruction-cat7">
56	<pattern low="55" high="58">0000</pattern>
57</bitset>
58
59<bitset name="fence" extends="#instruction-cat7">
60	<pattern low="55" high="58">0001</pattern>
61</bitset>
62
63</isa>