diff options
Diffstat (limited to 'Documentation/devicetree/bindings/riscv/extensions.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/riscv/extensions.yaml | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml new file mode 100644 index 000000000000..565cb2cbb49b --- /dev/null +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -0,0 +1,904 @@ +# SPDX-License-Identifier: (GPL-2.0 OR MIT) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/riscv/extensions.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RISC-V ISA extensions + +maintainers: + - Paul Walmsley <paul.walmsley@sifive.com> + - Palmer Dabbelt <palmer@sifive.com> + - Conor Dooley <conor@kernel.org> + +description: | + RISC-V has a large number of extensions, some of which are "standard" + extensions, meaning they are ratified by RISC-V International, and others + are "vendor" extensions. + This document defines properties that indicate whether a hart supports a + given extension. + + Once a standard extension has been ratified, no changes in behaviour can be + made without the creation of a new extension. + The properties for standard extensions therefore map to their originally + ratified states, with the exception of the I, Zicntr & Zihpm extensions. + See the "i" property for more information. + +select: + properties: + compatible: + contains: + const: riscv + +properties: + riscv,isa: + description: + Identifies the specific RISC-V instruction set architecture + supported by the hart. These are documented in the RISC-V + User-Level ISA document, available from + https://riscv.org/specifications/ + + Due to revisions of the ISA specification, some deviations + have arisen over time. + Notably, riscv,isa was defined prior to the creation of the + Zicntr, Zicsr, Zifencei and Zihpm extensions and thus "i" + implies "zicntr_zicsr_zifencei_zihpm". + + While the isa strings in ISA specification are case + insensitive, letters in the riscv,isa string must be all + lowercase. + $ref: /schemas/types.yaml#/definitions/string + pattern: ^rv(?:64|32)imaf?d?q?c?b?k?j?p?v?h?(?:[hsxz](?:[0-9a-z])+)?(?:_[hsxz](?:[0-9a-z])+)*$ + deprecated: true + + riscv,isa-base: + description: + The base ISA implemented by this hart, as described by the 20191213 + version of the unprivileged ISA specification. + enum: + - rv32i + - rv64i + + riscv,isa-extensions: + $ref: /schemas/types.yaml#/definitions/string-array + minItems: 1 + description: Extensions supported by the hart. + items: + anyOf: + # single letter extensions, in canonical order + - const: i + description: | + The base integer instruction set, as ratified in the 20191213 + version of the unprivileged ISA specification. + + This does not include Chapter 10, "Counters", which was moved into + the Zicntr and Zihpm extensions after the ratification of the + 20191213 version of the unprivileged specification. + + - const: m + description: + The standard M extension for integer multiplication and division, as + ratified in the 20191213 version of the unprivileged ISA + specification. + + - const: a + description: + The standard A extension for atomic instructions, as ratified in the + 20191213 version of the unprivileged ISA specification. + + - const: f + description: + The standard F extension for single-precision floating point, as + ratified in the 20191213 version of the unprivileged ISA + specification. + + - const: d + description: + The standard D extension for double-precision floating-point, as + ratified in the 20191213 version of the unprivileged ISA + specification. + + - const: q + description: + The standard Q extension for quad-precision floating-point, as + ratified in the 20191213 version of the unprivileged ISA + specification. + + - const: c + description: + The standard C extension for compressed instructions, as ratified in + the 20191213 version of the unprivileged ISA specification. + + - const: v + description: + The standard V extension for vector operations, as ratified + in-and-around commit 7a6c8ae ("Fix text that describes vfmv.v.f + encoding") of the riscv-v-spec. + + - const: h + description: + The standard H extension for hypervisors as ratified in the 20191213 + version of the privileged ISA specification. + + # multi-letter extensions, sorted alphanumerically + - const: smaia + description: | + The standard Smaia supervisor-level extension for the advanced + interrupt architecture for machine-mode-visible csr and behavioural + changes to interrupts as frozen at commit ccbddab ("Merge pull + request #42 from riscv/jhauser-2023-RC4") of riscv-aia. + + - const: smmpm + description: | + The standard Smmpm extension for M-mode pointer masking as + ratified at commit d70011dde6c2 ("Update to ratified state") + of riscv-j-extension. + + - const: smnpm + description: | + The standard Smnpm extension for next-mode pointer masking as + ratified at commit d70011dde6c2 ("Update to ratified state") + of riscv-j-extension. + + - const: smstateen + description: | + The standard Smstateen extension for controlling access to CSRs + added by other RISC-V extensions in H/S/VS/U/VU modes and as + ratified at commit a28bfae (Ratified (#7)) of riscv-state-enable. + + - const: ssaia + description: | + The standard Ssaia supervisor-level extension for the advanced + interrupt architecture for supervisor-mode-visible csr and + behavioural changes to interrupts as frozen at commit ccbddab + ("Merge pull request #42 from riscv/jhauser-2023-RC4") of riscv-aia. + + - const: sscofpmf + description: | + The standard Sscofpmf supervisor-level extension for count overflow + and mode-based filtering as ratified at commit 01d1df0 ("Add ability + to manually trigger workflow. (#2)") of riscv-count-overflow. + + - const: ssnpm + description: | + The standard Ssnpm extension for next-mode pointer masking as + ratified at commit d70011dde6c2 ("Update to ratified state") + of riscv-j-extension. + + - const: sstc + description: | + The standard Sstc supervisor-level extension for time compare as + ratified at commit 3f9ed34 ("Add ability to manually trigger + workflow. (#2)") of riscv-time-compare. + + - const: svade + description: | + The standard Svade supervisor-level extension for SW-managed PTE A/D + bit updates as ratified in the 20240213 version of the privileged + ISA specification. + + Both Svade and Svadu extensions control the hardware behavior when + the PTE A/D bits need to be set. The default behavior for the four + possible combinations of these extensions in the device tree are: + 1) Neither Svade nor Svadu present in DT => It is technically + unknown whether the platform uses Svade or Svadu. Supervisor + software should be prepared to handle either hardware updating + of the PTE A/D bits or page faults when they need updated. + 2) Only Svade present in DT => Supervisor must assume Svade to be + always enabled. + 3) Only Svadu present in DT => Supervisor must assume Svadu to be + always enabled. + 4) Both Svade and Svadu present in DT => Supervisor must assume + Svadu turned-off at boot time. To use Svadu, supervisor must + explicitly enable it using the SBI FWFT extension. + + - const: svadu + description: | + The standard Svadu supervisor-level extension for hardware updating + of PTE A/D bits as ratified in the 20240528 version of the + privileged ISA specification. Please refer to Svade dt-binding + description for more details. + + - const: svinval + description: + The standard Svinval supervisor-level extension for fine-grained + address-translation cache invalidation as ratified in the 20191213 + version of the privileged ISA specification. + + - const: svnapot + description: + The standard Svnapot supervisor-level extensions for napot + translation contiguity as ratified in the 20191213 version of the + privileged ISA specification. + + - const: svpbmt + description: + The standard Svpbmt supervisor-level extensions for page-based + memory types as ratified in the 20191213 version of the privileged + ISA specification. + + - const: svrsw60t59b + description: + The Svrsw60t59b extension for providing two more bits[60:59] to + PTE/PMD entry as ratified at commit 28bde925e7a7 ("PTE Reserved + for SW bits 60:59") of riscv-non-isa/riscv-iommu. + + - const: svvptc + description: + The standard Svvptc supervisor-level extension for + address-translation cache behaviour with respect to invalid entries + as ratified at commit 4a69197e5617 ("Update to ratified state") of + riscv-svvptc. + + - const: zaamo + description: | + The standard Zaamo extension for atomic memory operations as + ratified at commit e87412e621f1 ("integrate Zaamo and Zalrsc text + (#1304)") of the unprivileged ISA specification. + + - const: zabha + description: | + The Zabha extension for Byte and Halfword Atomic Memory Operations + as ratified at commit 49f49c842ff9 ("Update to Rafified state") of + riscv-zabha. + + - const: zacas + description: | + The Zacas extension for Atomic Compare-and-Swap (CAS) instructions + is supported as ratified at commit 5059e0ca641c ("update to + ratified") of the riscv-zacas. + + - const: zalasr + description: | + The standard Zalasr extension for load-acquire/store-release as frozen + at commit 194f0094 ("Version 0.9 for freeze") of riscv-zalasr. + + - const: zalrsc + description: | + The standard Zalrsc extension for load-reserved/store-conditional as + ratified at commit e87412e621f1 ("integrate Zaamo and Zalrsc text + (#1304)") of the unprivileged ISA specification. + + - const: zawrs + description: | + The Zawrs extension for entering a low-power state or for trapping + to a hypervisor while waiting on a store to a memory location, as + ratified in commit 98918c844281 ("Merge pull request #1217 from + riscv/zawrs") of riscv-isa-manual. + + - const: zba + description: | + The standard Zba bit-manipulation extension for address generation + acceleration instructions as ratified at commit 6d33919 ("Merge pull + request #158 from hirooih/clmul-fix-loop-end-condition") of + riscv-bitmanip. + + - const: zbb + description: | + The standard Zbb bit-manipulation extension for basic bit-manipulation + as ratified at commit 6d33919 ("Merge pull request #158 from + hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. + + - const: zbc + description: | + The standard Zbc bit-manipulation extension for carry-less + multiplication as ratified at commit 6d33919 ("Merge pull request + #158 from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. + + - const: zbkb + description: + The standard Zbkb bitmanip instructions for cryptography as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zbkc + description: + The standard Zbkc carry-less multiply instructions as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zbkx + description: + The standard Zbkx crossbar permutation instructions as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zbs + description: | + The standard Zbs bit-manipulation extension for single-bit + instructions as ratified at commit 6d33919 ("Merge pull request #158 + from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. + + - const: zca + description: | + The Zca extension part of Zc* standard extensions for code size + reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on + RV64 as it contains no instructions") of riscv-code-size-reduction, + merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed + of zc.adoc to src tree."). + + - const: zcb + description: | + The Zcb extension part of Zc* standard extensions for code size + reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on + RV64 as it contains no instructions") of riscv-code-size-reduction, + merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed + of zc.adoc to src tree."). + + - const: zcd + description: | + The Zcd extension part of Zc* standard extensions for code size + reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on + RV64 as it contains no instructions") of riscv-code-size-reduction, + merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed + of zc.adoc to src tree."). + + - const: zcf + description: | + The Zcf extension part of Zc* standard extensions for code size + reduction, as ratified in commit 8be3419c1c0 ("Zcf doesn't exist on + RV64 as it contains no instructions") of riscv-code-size-reduction, + merged in the riscv-isa-manual by commit dbc79cf28a2 ("Initial seed + of zc.adoc to src tree."). + + - const: zcmop + description: + The standard Zcmop extension version 1.0, as ratified in commit + c732a4f39a4 ("Zcmop is ratified/1.0") of the riscv-isa-manual. + + - const: zfa + description: + The standard Zfa extension for additional floating point + instructions, as ratified in commit 056b6ff ("Zfa is ratified") of + riscv-isa-manual. + + - const: zfbfmin + description: + The standard Zfbfmin extension which provides minimal support for + 16-bit half-precision brain floating-point instructions, as ratified + in commit 4dc23d62 ("Added Chapter title to BF16") of riscv-isa-manual. + + - const: zfh + description: + The standard Zfh extension for 16-bit half-precision binary + floating-point instructions, as ratified in commit 64074bc ("Update + version numbers for Zfh/Zfinx") of riscv-isa-manual. + + - const: zfhmin + description: + The standard Zfhmin extension which provides minimal support for + 16-bit half-precision binary floating-point instructions, as ratified + in commit 64074bc ("Update version numbers for Zfh/Zfinx") of + riscv-isa-manual. + + - const: ziccrse + description: + The standard Ziccrse extension which provides forward progress + guarantee on LR/SC sequences, as ratified in commit b1d806605f87 + ("Updated to ratified state.") of the riscv profiles specification. + + - const: zk + description: + The standard Zk Standard Scalar cryptography extension as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zkn + description: + The standard Zkn NIST algorithm suite extensions as ratified in + version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zknd + description: | + The standard Zknd for NIST suite: AES decryption instructions as + ratified in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zkne + description: | + The standard Zkne for NIST suite: AES encryption instructions as + ratified in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zknh + description: | + The standard Zknh for NIST suite: hash function instructions as + ratified in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zkr + description: + The standard Zkr entropy source extension as ratified in version + 1.0 of RISC-V Cryptography Extensions Volume I specification. + This string being present means that the CSR associated to this + extension is accessible at the privilege level to which that + device-tree has been provided. + + - const: zks + description: + The standard Zks ShangMi algorithm suite extensions as ratified in + version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zksed + description: | + The standard Zksed for ShangMi suite: SM4 block cipher instructions + as ratified in version 1.0 of RISC-V Cryptography Extensions + Volume I specification. + + - const: zksh + description: | + The standard Zksh for ShangMi suite: SM3 hash function instructions + as ratified in version 1.0 of RISC-V Cryptography Extensions + Volume I specification. + + - const: zkt + description: + The standard Zkt for data independent execution latency as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zicbom + description: + The standard Zicbom extension for base cache management operations as + ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs. + + - const: zicbop + description: + The standard Zicbop extension for cache-block prefetch instructions + as ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of + riscv-CMOs. + + - const: zicboz + description: + The standard Zicboz extension for cache-block zeroing as ratified + in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs. + + - const: zicntr + description: + The standard Zicntr extension for base counters and timers, as + ratified in the 20191213 version of the unprivileged ISA + specification. + + - const: zicond + description: + The standard Zicond extension for conditional arithmetic and + conditional-select/move operations as ratified in commit 95cf1f9 + ("Add changes requested by Ved during signoff") of riscv-zicond. + + - const: zicsr + description: | + The standard Zicsr extension for control and status register + instructions, as ratified in the 20191213 version of the + unprivileged ISA specification. + + This does not include Chapter 10, "Counters", which documents + special case read-only CSRs, that were moved into the Zicntr and + Zihpm extensions after the ratification of the 20191213 version of + the unprivileged specification. + + - const: zifencei + description: + The standard Zifencei extension for instruction-fetch fence, as + ratified in the 20191213 version of the unprivileged ISA + specification. + + - const: zihintpause + description: + The standard Zihintpause extension for pause hints, as ratified in + commit d8ab5c7 ("Zihintpause is ratified") of the riscv-isa-manual. + + - const: zihintntl + description: + The standard Zihintntl extension for non-temporal locality hints, as + ratified in commit 0dc91f5 ("Zihintntl is ratified") of the + riscv-isa-manual. + + - const: zihpm + description: + The standard Zihpm extension for hardware performance counters, as + ratified in the 20191213 version of the unprivileged ISA + specification. + + - const: zimop + description: + The standard Zimop extension version 1.0, as ratified in commit + 58220614a5f ("Zimop is ratified/1.0") of the riscv-isa-manual. + + - const: ztso + description: + The standard Ztso extension for total store ordering, as ratified + in commit 2e5236 ("Ztso is now ratified.") of the + riscv-isa-manual. + + - const: zvbb + description: + The standard Zvbb extension for vectored basic bit-manipulation + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvbc + description: + The standard Zvbc extension for vectored carryless multiplication + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zve32f + description: + The standard Zve32f extension for embedded processors, as ratified + in commit 6f702a2 ("Vector extensions are now ratified") of + riscv-v-spec. + + - const: zve32x + description: + The standard Zve32x extension for embedded processors, as ratified + in commit 6f702a2 ("Vector extensions are now ratified") of + riscv-v-spec. + + - const: zve64d + description: + The standard Zve64d extension for embedded processors, as ratified + in commit 6f702a2 ("Vector extensions are now ratified") of + riscv-v-spec. + + - const: zve64f + description: + The standard Zve64f extension for embedded processors, as ratified + in commit 6f702a2 ("Vector extensions are now ratified") of + riscv-v-spec. + + - const: zve64x + description: + The standard Zve64x extension for embedded processors, as ratified + in commit 6f702a2 ("Vector extensions are now ratified") of + riscv-v-spec. + + - const: zvfbfmin + description: + The standard Zvfbfmin extension for minimal support for vectored + 16-bit half-precision brain floating-point instructions, as ratified + in commit 4dc23d62 ("Added Chapter title to BF16") of riscv-isa-manual. + + - const: zvfbfwma + description: + The standard Zvfbfwma extension for vectored half-precision brain + floating-point widening multiply-accumulate instructions, as ratified + in commit 4dc23d62 ("Added Chapter title to BF16") of riscv-isa-manual. + + - const: zvfh + description: + The standard Zvfh extension for vectored half-precision + floating-point instructions, as ratified in commit e2ccd05 + ("Remove draft warnings from Zvfh[min]") of riscv-v-spec. + + - const: zvfhmin + description: + The standard Zvfhmin extension for vectored minimal half-precision + floating-point instructions, as ratified in commit e2ccd05 + ("Remove draft warnings from Zvfh[min]") of riscv-v-spec. + + - const: zvkb + description: + The standard Zvkb extension for vector cryptography bit-manipulation + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkg + description: + The standard Zvkg extension for vector GCM/GMAC instructions, as + ratified in commit 56ed795 ("Update riscv-crypto-spec-vector.adoc") + of riscv-crypto. + + - const: zvkn + description: + The standard Zvkn extension for NIST algorithm suite instructions, as + ratified in commit 56ed795 ("Update riscv-crypto-spec-vector.adoc") + of riscv-crypto. + + - const: zvknc + description: + The standard Zvknc extension for NIST algorithm suite with carryless + multiply instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkned + description: + The standard Zvkned extension for Vector AES block cipher + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkng + description: + The standard Zvkng extension for NIST algorithm suite with GCM + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvknha + description: | + The standard Zvknha extension for NIST suite: vector SHA-2 secure, + hash (SHA-256 only) instructions, as ratified in commit + 56ed795 ("Update riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvknhb + description: | + The standard Zvknhb extension for NIST suite: vector SHA-2 secure, + hash (SHA-256 and SHA-512) instructions, as ratified in commit + 56ed795 ("Update riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvks + description: + The standard Zvks extension for ShangMi algorithm suite + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksc + description: + The standard Zvksc extension for ShangMi algorithm suite with + carryless multiplication instructions, as ratified in commit 56ed795 + ("Update riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksed + description: | + The standard Zvksed extension for ShangMi suite: SM4 block cipher + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksh + description: | + The standard Zvksh extension for ShangMi suite: SM3 secure hash + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksg + description: + The standard Zvksg extension for ShangMi algorithm suite with GCM + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkt + description: + The standard Zvkt extension for vector data-independent execution + latency, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + # vendor extensions, each extension sorted alphanumerically under the + # vendor they belong to. Vendors are sorted alphanumerically as well. + + # Andes + - const: xandespmu + description: + The Andes Technology performance monitor extension for counter overflow + and privilege mode filtering. For more details, see Counter Related + Registers in the AX45MP datasheet. + https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf + + # MIPS + - const: xmipsexectl + description: + The MIPS extension for execution control as documented in + https://mips.com/wp-content/uploads/2025/06/P8700_Programmers_Reference_Manual_Rev1.84_5-31-2025.pdf + + # SiFive + - const: xsfcease + description: + SiFive CEASE Instruction Extensions Specification. + See more details in + https://www.sifive.com/document-file/freedom-u740-c000-manual + + - const: xsfcflushdlone + description: + SiFive L1D Cache Flush Instruction Extensions Specification. + See more details in + https://www.sifive.com/document-file/freedom-u740-c000-manual + + - const: xsfpgflushdlone + description: + SiFive PGFLUSH Instruction Extensions for the power management. The + CPU will flush the L1D and enter the cease state after executing + the instruction. + + - const: xsfvqmaccdod + description: + SiFive Int8 Matrix Multiplication Extensions Specification. + See more details in + https://www.sifive.com/document-file/sifive-int8-matrix-multiplication-extensions-specification + + - const: xsfvqmaccqoq + description: + SiFive Int8 Matrix Multiplication Extensions Specification. + See more details in + https://www.sifive.com/document-file/sifive-int8-matrix-multiplication-extensions-specification + + - const: xsfvfnrclipxfqf + description: + SiFive FP32-to-int8 Ranged Clip Instructions Extensions Specification. + See more details in + https://www.sifive.com/document-file/fp32-to-int8-ranged-clip-instructions + + - const: xsfvfwmaccqqq + description: + SiFive Matrix Multiply Accumulate Instruction Extensions Specification. + See more details in + https://www.sifive.com/document-file/matrix-multiply-accumulate-instruction + + # T-HEAD + - const: xtheadvector + description: + The T-HEAD specific 0.7.1 vector implementation as written in + https://github.com/T-head-Semi/thead-extension-spec/blob/95358cb2cca9489361c61d335e03d3134b14133f/xtheadvector.adoc. + + allOf: + - if: + contains: + const: d + then: + contains: + const: f + # Zcb depends on Zca + - if: + contains: + const: zcb + then: + contains: + const: zca + # Zcd depends on Zca and D + - if: + contains: + const: zcd + then: + allOf: + - contains: + const: zca + - contains: + const: d + # Zcf depends on Zca and F + - if: + contains: + const: zcf + then: + allOf: + - contains: + const: zca + - contains: + const: f + # Zcmop depends on Zca + - if: + contains: + const: zcmop + then: + contains: + const: zca + # Zfbfmin depends on F + - if: + contains: + const: zfbfmin + then: + contains: + const: f + # Zvfbfmin depends on V or Zve32f + - if: + contains: + const: zvfbfmin + then: + oneOf: + - contains: + const: v + - contains: + const: zve32f + # Zvfbfwma depends on Zfbfmin and Zvfbfmin + - if: + contains: + const: zvfbfwma + then: + allOf: + - contains: + const: zfbfmin + - contains: + const: zvfbfmin + # Zacas depends on Zaamo + - if: + contains: + const: zacas + then: + contains: + const: zaamo + + - if: + contains: + const: zve32x + then: + contains: + const: zicsr + + - if: + contains: + const: zve32f + then: + allOf: + - contains: + const: f + - contains: + const: zve32x + + - if: + contains: + const: zve64x + then: + contains: + const: zve32x + + - if: + contains: + const: zve64f + then: + allOf: + - contains: + const: f + - contains: + const: zve32f + - contains: + const: zve64x + + - if: + contains: + const: zve64d + then: + allOf: + - contains: + const: d + - contains: + const: zve64f + + - if: + contains: + anyOf: + - const: zvbc + - const: zvkn + - const: zvknc + - const: zvkng + - const: zvknhb + - const: zvksc + then: + contains: + anyOf: + - const: v + - const: zve64x + + - if: + contains: + anyOf: + - const: zvbb + - const: zvkb + - const: zvkg + - const: zvkned + - const: zvknha + - const: zvksed + - const: zvksh + - const: zvks + - const: zvkt + then: + contains: + anyOf: + - const: v + - const: zve32x + +allOf: + # Zcf extension does not exist on rv64 + - if: + properties: + riscv,isa-extensions: + contains: + const: zcf + riscv,isa-base: + contains: + const: rv64i + then: + properties: + riscv,isa-extensions: + not: + contains: + const: zcf + +additionalProperties: true +... |