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‎arch/profile_release/RVA23.yaml‎

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$schema: profile_schema.json#
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kind: profile
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name: RVA23
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marketing_name: RVA23
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class: RVA
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release: 23
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state: ratified # current status ["ratified", "development"]
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ratification_date: "2023-04-03"
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# Semantic versions within the release
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versions:
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- version: "1.0.0"
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introduction: |
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This profile release targets 64-bit application processors for markets
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requiring a high-degree of binary compatibility between compliant implementations.
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description: |
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This profile release is intended to be used for 64-bit application
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processors running rich OS stacks. Only user-mode and
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supervisor-mode profiles are specified in this release.
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NOTE: There is no machine-mode profile currently defined for this release.
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A machine-mode profile for application processors would only be used in specifying platforms for
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portable machine-mode software. Given the relatively low volume of
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portable M-mode software in this domain, the wide variety of potential
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M-mode code, and the very specific needs of each type of M-mode
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software, we are not specifying individual M-mode ISA requirements in this release.
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NOTE: Only XLEN=64 application processor profiles are currently defined.
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It would be possible to also define very similar XLEN=32 variants.
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profiles:
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RVA23U64:
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marketing_name: RVA23U64
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mode: Unpriv
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base: 64
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release: RVA23
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introduction: |
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The RVA23U64 profile specifies the ISA features available to user-mode
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execution environments in 64-bit applications processors. This is the
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most important profile within application processors in
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terms of the amount of software that targets this profile.
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extensions:
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#########################################################################
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# imported from RVB23U64
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#########################################################################
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$inherits: "RVB23.yaml#/RVB23/profiles/RVB23U64/extensions"
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$remove: Zvkg
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$remove: Zvknc
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$remove: Zvksc
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$remove: Zkn
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$remove: Zks
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#########################################################################
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# MANDATORY extensions in RVA23U64 (that were optional in RVB23U64)
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#########################################################################
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Zfhmin:
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presence: mandatory
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V:
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presence: mandatory
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Zvfhmin:
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presence: mandatory
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Zvbb:
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presence: mandatory
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Zvkt:
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presence: mandatory
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Supm:
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presence: mandatory
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#--------------------------------------------
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# Zvbc is an expansion option in RVB23U64
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# (but is not intended to be made mandatory in future RVB Profiles)
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#
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# It is listed in RVA23U64 as a *development* option,
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# as it *is* intended to become mandatory in future RVA Profiles.
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#--------------------------------------------
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Zvbc:
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presence:
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optional: development
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#########################################################################
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# TRANSITORY EXPANSION extensions in RVA23U64
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#########################################################################
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#--------------------------------------------
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# (there are no Transitory expansion options in RVA23U64)
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#--------------------------------------------
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RVA23S64:
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marketing_name: RVA23S64
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mode: S
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base: 64
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release: RVA23
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introduction: |
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The RVA23S64 profile specifies the ISA features available to supervisor-mode
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execution environments in 64-bit applications processors.
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An ECALL in user mode causes a contained trap to supervisor mode.
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An ECALL in supervisor mode causes a requested trap to the execution environment.
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extensions:
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#########################################################################
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# imported from RVB23U64
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#########################################################################
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$inherits: "RVB23.yaml#/RVB23/profiles/RVB23S64/extensions"
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#########################################################################
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# MANDATORY extensions in RVA23S64 (that were optional in RVB23S64)
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#########################################################################
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Ssnpm:
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presence: mandatory
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# Pointer masking, with *senvcfg*.PME supporting, at minimum
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Sha:
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presence: mandatory
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# collection of Hypervisor extensions
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kind: profile
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name: RVA23
4+
marketing_name: RVA23
5+
class: RVA
6+
release: 23
7+
state: ratified # current status ["ratified", "development"]
8+
ratification_date: "2023-04-03"
9+
# Semantic versions within the release
10+
versions:
11+
- version: "1.0.0"
12+
13+
introduction: |
14+
This profile release targets 64-bit application processors for markets
15+
requiring a high-degree of binary compatibility between compliant implementations.
16+
description: |
17+
This profile release is intended to be used for 64-bit application
18+
processors running rich OS stacks. Only user-mode and
19+
supervisor-mode profiles are specified in this release.
20+
21+
NOTE: There is no machine-mode profile currently defined for this release.
22+
A machine-mode profile for application processors would only be used in specifying platforms for
23+
portable machine-mode software. Given the relatively low volume of
24+
portable M-mode software in this domain, the wide variety of potential
25+
M-mode code, and the very specific needs of each type of M-mode
26+
software, we are not specifying individual M-mode ISA requirements in this release.
27+
28+
NOTE: Only XLEN=64 application processor profiles are currently defined.
29+
It would be possible to also define very similar XLEN=32 variants.
30+
31+
profiles:
32+
RVA23U64:
33+
marketing_name: RVA23U64
34+
mode: Unpriv
35+
base: 64
36+
release: RVA23
37+
introduction: |
38+
The RVA23U64 profile specifies the ISA features available to user-mode
39+
execution environments in 64-bit applications processors. This is the
40+
most important profile within application processors in
41+
terms of the amount of software that targets this profile.
42+
extensions:
43+
#########################################################################
44+
# imported from RVB23U64
45+
#########################################################################
46+
$inherits: "RVB23.yaml#/profiles/RVB23U64/extensions"
47+
$remove: Zvkg
48+
$remove: Zvknc
49+
$remove: Zvksc
50+
$remove: Zkn
51+
$remove: Zks
52+
53+
#########################################################################
54+
# MANDATORY extensions in RVA23U64 (that were optional in RVB23U64)
55+
#########################################################################
56+
57+
Zfhmin:
58+
presence: mandatory
59+
60+
V:
61+
presence: mandatory
62+
63+
Zvfhmin:
64+
presence: mandatory
65+
66+
Zvbb:
67+
presence: mandatory
68+
69+
Zvkt:
70+
presence: mandatory
71+
72+
Supm:
73+
presence: mandatory
74+
75+
#--------------------------------------------
76+
# Zvbc is an expansion option in RVB23U64
77+
# (but is not intended to be made mandatory in future RVB Profiles)
78+
#
79+
# It is listed in RVA23U64 as a *development* option,
80+
# as it *is* intended to become mandatory in future RVA Profiles.
81+
#--------------------------------------------
82+
Zvbc:
83+
presence:
84+
optional: development
85+
86+
87+
#########################################################################
88+
# TRANSITORY EXPANSION extensions in RVA23U64
89+
#########################################################################
90+
91+
#--------------------------------------------
92+
# (there are no Transitory expansion options in RVA23U64)
93+
#--------------------------------------------
94+
95+
96+
97+
RVA23S64:
98+
marketing_name: RVA23S64
99+
mode: S
100+
base: 64
101+
release: RVA23
102+
introduction: |
103+
The RVA23S64 profile specifies the ISA features available to supervisor-mode
104+
execution environments in 64-bit applications processors.
105+
An ECALL in user mode causes a contained trap to supervisor mode.
106+
An ECALL in supervisor mode causes a requested trap to the execution environment.
107+
extensions:
108+
#########################################################################
109+
# imported from RVB23U64
110+
#########################################################################
111+
$inherits: "RVB23.yaml#/profiles/RVB23S64/extensions"
112+
113+
#########################################################################
114+
# MANDATORY extensions in RVA23S64 (that were optional in RVB23S64)
115+
#########################################################################
116+
117+
Ssnpm:
118+
presence: mandatory
119+
# Pointer masking, with *senvcfg*.PME supporting, at minimum
120+
121+
Sha:
122+
presence: mandatory
123+
# collection of Hypervisor extensions

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