| # Copyright 2019 Google LLC |
| # |
| # 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. |
| # |
| # |
| # Base CSR template that should be followed when describing all processor supported CSRs to enable correct generation of directed test sequences |
| #- csr: CSR_NAME |
| # description: > |
| # BRIEF_DESCRIPTION |
| # address: 0x### |
| # privilege_mode: MODE (D/M/S/H/U) |
| # rv32: |
| # - MSB_FIELD_NAME: |
| # - description: > |
| # BRIEF_DESCRIPTION |
| # - type: TYPE (WPRI/WLRL/WARL/R) |
| # - reset_val: RESET_VAL |
| # - msb: MSB_POS |
| # - lsb: LSB_POS |
| # - ... |
| # - ... |
| # - LSB_FIELD_NAME: |
| # - description: ... |
| # - type: ... |
| # - ... |
| # rv64: |
| # - MSB_FIELD_NAME: |
| # - description: > |
| # BRIEF_DESCRIPTION |
| # - type: TYPE (WPRI/WLRL/WARL/R) |
| # - reset_val: RESET_VAL |
| # - msb: MSB_POS |
| # - lsb: LSB_POS |
| # - ... |
| # - ... |
| # - LSB_FIELD_NAME: |
| # - description: ... |
| # - type: ... |
| # - ... |
| |
| |
| # Example template, using the CSR misa |
| # Note: assume the processor supports only the RISC-V I/C extensions |
| - csr: misa |
| description: > |
| Machine ISA Register |
| address: 0x301 |
| privilege_mode: M |
| rv32: |
| - field_name: MXL |
| description: > |
| Encodes native base ISA width |
| type: WARL |
| reset_val: 1 |
| msb: 31 |
| lsb: 30 |
| - field_name: Extensions |
| description: > |
| Encodes all supported ISA extensions |
| type: WARL |
| reset_val: 0x104 |
| msb: 25 |
| lsb: 0 |
| rv64: |
| - field_name: MXL |
| description: > |
| Encodes native base ISA width |
| type: WARL |
| reset_val: 2 |
| msb: 63 |
| lsb: 62 |
| - field_name: Extensions |
| description: > |
| Encodes all supported ISA extensions |
| type: WARL |
| reset_val: 0x104 |
| msb: 25 |
| lsb: 0 |
