rv_plic.hjson

// Copyright lowRISC contributors (OpenTitan project).
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
//
# RV_PLIC register template
#
# Parameter (given by Python tool)
#  - src:    Number of Interrupt Sources
#  - target: Number of Targets that handle interrupt requests
#  - prio:   Max value of interrupt priorities
#  - module_instance_name: Module instance name.
{
  name:               "rv_plic",
  human_name:         "RISC-V platform level interrupt controller",
  one_line_desc:      "Interrupt controller, adhering to RISC-V PLIC specification",
  one_paragraph_desc: '''
    rv_plic is an interrupt controller which handles multiple interrupt sources. Each interrupt
    source can be enabled or disabled, and can be given a priority. rv_plic generates an output
    that identifies the source with the highest priority amongst those that are currently asserted.
  '''
  // Unique comportable IP identifier defined under KNOWN_CIP_IDS in the regtool.
  cip_id:             "33",
  design_spec:        "../doc",
  dv_doc:             "../doc/dv",
  hw_checklist:       "../doc/checklist",
  sw_checklist:       "/sw/device/lib/dif/dif_rv_plic",
  revisions: [
    {
      version:            "2.0.0",
      life_stage:         "L1",
      design_stage:       "D3",
      verification_stage: "V2",
      dif_stage:          "S2",
      commit_id:          "",
      notes:              "Use FPV to perform block level verification.",
    }
  ],
  clocking: [{clock: "clk_i", reset: "rst_ni"}],
  bus_interfaces: [
    { protocol: "tlul", direction: "device" }
  ],

  param_list: [
    { name: "NumSrc",
      desc: "Number of interrupt sources",
      type: "int",
      default: "186",
      local: "true"
    },
    { name: "NumTarget",
      desc: "Number of Targets (Harts)",
      type: "int",
      default: "1",
      local: "true",
    },
    { name: "PrioWidth",
      desc: "Width of priority signals",
      type: "int",
      default: "2",
      local: "true",
    },
  ],

  // In order to not disturb the PLIC address map, we place the alert test
  // register manually at a safe offset after the main CSRs.
  no_auto_alert_regs: "True",
  alert_list: [
    { name: "fatal_fault",
      desc: '''
      This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected.
      '''
    }
  ],

  inter_signal_list: [
    { struct:  "logic",
      type:    "uni",
      name:    "irq",
      act:     "req",
      package: "",
      width:   "1"
    },

    { struct:  "logic",
      type:    "uni",
      name:    "irq_id",
      act:     "req",
      package: "",
    },

    { struct:  "logic",
      type:    "uni",
      name:    "msip",
      act:     "req",
      package: "",
      width:   "1"
    },
  ]

  countermeasures: [
    { name: "BUS.INTEGRITY",
      desc: "End-to-end bus integrity scheme."
    }
  ]

  features: [
    { name: "RV_PLIC.PRIORITY",
      desc: '''Each interrupt source can be given a configurable priority.'''
    }
    { name: "RV_PLIC.ENABLE",
      desc: '''Each target has an associated set of interrupt enable bits. Configuring these
               controls whether a target will be notified when the interrupt is triggered.
            '''
    }
  ]

  regwidth: "32",
  registers: [
    { name: "PRIO0",
      desc: "Interrupt Source 0 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO1",
      desc: "Interrupt Source 1 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO2",
      desc: "Interrupt Source 2 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO3",
      desc: "Interrupt Source 3 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO4",
      desc: "Interrupt Source 4 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO5",
      desc: "Interrupt Source 5 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO6",
      desc: "Interrupt Source 6 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO7",
      desc: "Interrupt Source 7 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO8",
      desc: "Interrupt Source 8 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO9",
      desc: "Interrupt Source 9 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO10",
      desc: "Interrupt Source 10 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO11",
      desc: "Interrupt Source 11 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO12",
      desc: "Interrupt Source 12 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO13",
      desc: "Interrupt Source 13 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO14",
      desc: "Interrupt Source 14 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO15",
      desc: "Interrupt Source 15 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO16",
      desc: "Interrupt Source 16 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO17",
      desc: "Interrupt Source 17 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO18",
      desc: "Interrupt Source 18 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO19",
      desc: "Interrupt Source 19 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO20",
      desc: "Interrupt Source 20 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO21",
      desc: "Interrupt Source 21 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO22",
      desc: "Interrupt Source 22 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO23",
      desc: "Interrupt Source 23 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO24",
      desc: "Interrupt Source 24 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO25",
      desc: "Interrupt Source 25 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO26",
      desc: "Interrupt Source 26 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO27",
      desc: "Interrupt Source 27 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO28",
      desc: "Interrupt Source 28 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO29",
      desc: "Interrupt Source 29 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO30",
      desc: "Interrupt Source 30 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO31",
      desc: "Interrupt Source 31 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO32",
      desc: "Interrupt Source 32 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO33",
      desc: "Interrupt Source 33 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO34",
      desc: "Interrupt Source 34 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO35",
      desc: "Interrupt Source 35 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO36",
      desc: "Interrupt Source 36 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO37",
      desc: "Interrupt Source 37 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO38",
      desc: "Interrupt Source 38 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO39",
      desc: "Interrupt Source 39 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO40",
      desc: "Interrupt Source 40 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO41",
      desc: "Interrupt Source 41 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO42",
      desc: "Interrupt Source 42 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO43",
      desc: "Interrupt Source 43 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO44",
      desc: "Interrupt Source 44 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO45",
      desc: "Interrupt Source 45 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO46",
      desc: "Interrupt Source 46 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO47",
      desc: "Interrupt Source 47 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO48",
      desc: "Interrupt Source 48 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO49",
      desc: "Interrupt Source 49 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO50",
      desc: "Interrupt Source 50 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO51",
      desc: "Interrupt Source 51 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO52",
      desc: "Interrupt Source 52 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO53",
      desc: "Interrupt Source 53 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO54",
      desc: "Interrupt Source 54 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO55",
      desc: "Interrupt Source 55 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO56",
      desc: "Interrupt Source 56 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO57",
      desc: "Interrupt Source 57 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO58",
      desc: "Interrupt Source 58 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO59",
      desc: "Interrupt Source 59 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO60",
      desc: "Interrupt Source 60 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO61",
      desc: "Interrupt Source 61 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO62",
      desc: "Interrupt Source 62 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO63",
      desc: "Interrupt Source 63 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO64",
      desc: "Interrupt Source 64 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO65",
      desc: "Interrupt Source 65 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO66",
      desc: "Interrupt Source 66 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO67",
      desc: "Interrupt Source 67 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO68",
      desc: "Interrupt Source 68 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO69",
      desc: "Interrupt Source 69 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO70",
      desc: "Interrupt Source 70 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO71",
      desc: "Interrupt Source 71 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO72",
      desc: "Interrupt Source 72 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO73",
      desc: "Interrupt Source 73 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO74",
      desc: "Interrupt Source 74 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO75",
      desc: "Interrupt Source 75 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO76",
      desc: "Interrupt Source 76 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO77",
      desc: "Interrupt Source 77 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO78",
      desc: "Interrupt Source 78 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO79",
      desc: "Interrupt Source 79 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO80",
      desc: "Interrupt Source 80 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO81",
      desc: "Interrupt Source 81 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO82",
      desc: "Interrupt Source 82 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO83",
      desc: "Interrupt Source 83 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO84",
      desc: "Interrupt Source 84 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO85",
      desc: "Interrupt Source 85 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO86",
      desc: "Interrupt Source 86 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO87",
      desc: "Interrupt Source 87 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO88",
      desc: "Interrupt Source 88 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO89",
      desc: "Interrupt Source 89 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO90",
      desc: "Interrupt Source 90 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO91",
      desc: "Interrupt Source 91 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO92",
      desc: "Interrupt Source 92 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO93",
      desc: "Interrupt Source 93 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO94",
      desc: "Interrupt Source 94 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO95",
      desc: "Interrupt Source 95 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO96",
      desc: "Interrupt Source 96 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO97",
      desc: "Interrupt Source 97 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO98",
      desc: "Interrupt Source 98 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO99",
      desc: "Interrupt Source 99 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO100",
      desc: "Interrupt Source 100 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO101",
      desc: "Interrupt Source 101 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO102",
      desc: "Interrupt Source 102 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO103",
      desc: "Interrupt Source 103 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO104",
      desc: "Interrupt Source 104 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO105",
      desc: "Interrupt Source 105 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO106",
      desc: "Interrupt Source 106 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO107",
      desc: "Interrupt Source 107 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO108",
      desc: "Interrupt Source 108 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO109",
      desc: "Interrupt Source 109 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO110",
      desc: "Interrupt Source 110 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO111",
      desc: "Interrupt Source 111 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO112",
      desc: "Interrupt Source 112 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO113",
      desc: "Interrupt Source 113 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO114",
      desc: "Interrupt Source 114 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO115",
      desc: "Interrupt Source 115 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO116",
      desc: "Interrupt Source 116 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO117",
      desc: "Interrupt Source 117 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO118",
      desc: "Interrupt Source 118 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO119",
      desc: "Interrupt Source 119 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO120",
      desc: "Interrupt Source 120 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO121",
      desc: "Interrupt Source 121 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO122",
      desc: "Interrupt Source 122 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO123",
      desc: "Interrupt Source 123 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO124",
      desc: "Interrupt Source 124 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO125",
      desc: "Interrupt Source 125 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO126",
      desc: "Interrupt Source 126 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO127",
      desc: "Interrupt Source 127 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO128",
      desc: "Interrupt Source 128 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO129",
      desc: "Interrupt Source 129 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO130",
      desc: "Interrupt Source 130 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO131",
      desc: "Interrupt Source 131 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO132",
      desc: "Interrupt Source 132 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO133",
      desc: "Interrupt Source 133 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO134",
      desc: "Interrupt Source 134 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO135",
      desc: "Interrupt Source 135 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO136",
      desc: "Interrupt Source 136 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO137",
      desc: "Interrupt Source 137 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO138",
      desc: "Interrupt Source 138 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO139",
      desc: "Interrupt Source 139 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO140",
      desc: "Interrupt Source 140 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO141",
      desc: "Interrupt Source 141 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO142",
      desc: "Interrupt Source 142 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO143",
      desc: "Interrupt Source 143 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO144",
      desc: "Interrupt Source 144 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO145",
      desc: "Interrupt Source 145 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO146",
      desc: "Interrupt Source 146 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO147",
      desc: "Interrupt Source 147 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO148",
      desc: "Interrupt Source 148 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO149",
      desc: "Interrupt Source 149 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO150",
      desc: "Interrupt Source 150 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO151",
      desc: "Interrupt Source 151 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO152",
      desc: "Interrupt Source 152 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO153",
      desc: "Interrupt Source 153 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO154",
      desc: "Interrupt Source 154 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO155",
      desc: "Interrupt Source 155 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO156",
      desc: "Interrupt Source 156 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO157",
      desc: "Interrupt Source 157 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO158",
      desc: "Interrupt Source 158 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO159",
      desc: "Interrupt Source 159 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO160",
      desc: "Interrupt Source 160 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO161",
      desc: "Interrupt Source 161 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO162",
      desc: "Interrupt Source 162 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO163",
      desc: "Interrupt Source 163 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO164",
      desc: "Interrupt Source 164 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO165",
      desc: "Interrupt Source 165 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO166",
      desc: "Interrupt Source 166 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO167",
      desc: "Interrupt Source 167 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO168",
      desc: "Interrupt Source 168 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO169",
      desc: "Interrupt Source 169 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO170",
      desc: "Interrupt Source 170 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO171",
      desc: "Interrupt Source 171 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO172",
      desc: "Interrupt Source 172 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO173",
      desc: "Interrupt Source 173 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO174",
      desc: "Interrupt Source 174 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO175",
      desc: "Interrupt Source 175 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO176",
      desc: "Interrupt Source 176 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO177",
      desc: "Interrupt Source 177 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO178",
      desc: "Interrupt Source 178 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO179",
      desc: "Interrupt Source 179 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO180",
      desc: "Interrupt Source 180 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO181",
      desc: "Interrupt Source 181 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO182",
      desc: "Interrupt Source 182 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO183",
      desc: "Interrupt Source 183 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO184",
      desc: "Interrupt Source 184 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "PRIO185",
      desc: "Interrupt Source 185 Priority",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { skipto: "0x00001000" }
    { multireg: {
        name: "IP",
        desc: "Interrupt Pending",
        count: "NumSrc",
        cname: "RV_PLIC",
        swaccess: "ro",
        hwaccess: "hwo",
        fields: [
          { bits: "0", name: "P", desc: "Interrupt Pending of Source" }
        ],
        tags: [// IP is driven by intr_src, cannot auto-predict
               "excl:CsrNonInitTests:CsrExclCheck"],
      }
    },
    { skipto: "0x2000" }
    { multireg: {
        name: "IE0",
        desc: "Interrupt Enable for Target 0",
        count: "NumSrc",
        cname: "RV_PLIC",
        swaccess: "rw",
        hwaccess: "hro",
        fields: [
          { bits: "0", name: "E", desc: "Interrupt Enable of Source" }
        ],
      }
    }
    { skipto: "0x200000" }
    { name: "THRESHOLD0",
      desc: "Threshold of priority for Target 0",
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "1:0" }
      ],
    }
    { name: "CC0",
      desc: '''Claim interrupt by read, complete interrupt by write for Target 0.
      Value read/written is interrupt ID. Reading a value of 0 means no pending interrupts.''',
      swaccess: "rw",
      hwaccess: "hrw",
      hwext: "true",
      hwqe: "true",
      hwre: "true",
      fields: [
        { bits: "7:0" }
      ],
      tags: [// CC register value is related to IP
             "excl:CsrNonInitTests:CsrExclCheck"],
    }
  { skipto: "0x4000000" }
    { name: "MSIP0",
      desc: '''msip for Hart 0.
      Write 1 to here asserts software interrupt for Hart msip_o[0], write 0 to clear.''',
      swaccess: "rw",
      hwaccess: "hro",
      fields: [
        { bits: "0",
          desc: "Software Interrupt Pending register",
        }
      ],
    }
  { skipto: "0x4004000" }
  { name: "ALERT_TEST",
      desc: '''Alert Test Register.''',
      swaccess: "wo",
      hwaccess: "hro",
      hwqe:     "True",
      hwext:    "True",
      fields: [
        { bits: "0",
          name: "fatal_fault",
          desc: "'Write 1 to trigger one alert event of this kind.'",
        }
      ],
    }
  ],
}