instruction_format.yaml

# Copyright 2011-2021 IBM Corporation
#
# 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.
- Name: "custom"
  Fields:
  - funct7
  - rc3
  - rc2
  - funct3
  - rc1
  - opcode
  Assembly: OPC rc1, rc2, rc3, funct7
- Name: "i"
  Fields:
  - i_imm12
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, rs1, i_imm12
- Name: "i+l"
  Fields:
  - i_imm12
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, i_imm12(rs1) 
- Name: "i+lf"
  Fields:
  - i_imm12
  - rs1
  - funct3
  - frd
  - opcode
  Assembly: OPC frd, i_imm12(rs1) 
- Name: "i+o"
  Fields:
  - i_imm12
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, i_imm12(rs1)
- Name: "i-sh5"
  Fields:
  - i_imm7
  - i_shamt5
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, rs1, i_shamt5
- Name: "i-sh6"
  Fields:
  - i_imm6
  - i_shamt6
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, rs1, i_shamt6
- Name: "none"
  Fields:
  - none_imm12
  - rs1c
  - funct3
  - rdc
  - opcode
  Assembly: OPC 
- Name: "r"
  Fields:
  - funct5
  - funct2
  - rs2
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, rs1, rs2
- Name: "r+3f"
  Fields:
  - funct5
  - funct2
  - frs2
  - frs1
  - funct3
  - frd
  - opcode
  Assembly: OPC frd, frs1, frs2
- Name: "r+fr"
  Fields:
  - funct5
  - funct2
  - rs2
  - rs1
  - funct3
  - frd
  - opcode
  Assembly: OPC frd, rs1
- Name: "r+fr2"
  Fields:
  - funct5
  - funct2
  - rs2c
  - rs1
  - funct3
  - frd
  - opcode
  Assembly: OPC frd, rs1
- Name: "r+rf"
  Fields:
  - funct5
  - funct2
  - rs2
  - frs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, frs1
- Name: "r+rf2"
  Fields:
  - funct5
  - funct2
  - rs2c
  - frs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, frs1
- Name: "r+rff"
  Fields:
  - funct5
  - funct2
  - frs2
  - frs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, frs1, frs2
- Name: "r-a"
  Fields:
  - funct5
  - aq
  - rl
  - rs2
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, rs2,  (rs1) 
- Name: "r-f"
  Fields:
  - imm4
  - pred
  - succ
  - rs1c
  - funct3
  - rdc
  - opcode
  Assembly: OPC pred, succ
- Name: "r-l"
  Fields:
  - funct5
  - aq
  - rl
  - rs2
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd,  (rs1) 
- Name: "r-l2"
  Fields:
  - funct5
  - aq
  - rl
  - rs2c
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd,  (rs1) 
- Name: "r-m+3f"
  Fields:
  - funct5
  - funct2
  - frs2
  - frs1
  - rmns
  - frd
  - opcode
  Assembly: OPC frd, frs1, frs2
- Name: "r-m+3frm"
  Fields:
  - funct5
  - funct2
  - frs2
  - frs1
  - rm
  - frd
  - opcode
  Assembly: OPC frd, frs1, frs2, rm
- Name: "r-m+ff"
  Fields:
  - funct5
  - funct2
  - rs2
  - frs1
  - rmns
  - frd
  - opcode
  Assembly: OPC frd, frs1
- Name: "r-m+ffrm"
  Fields:
  - funct5
  - funct2
  - rs2
  - frs1
  - rm
  - frd
  - opcode
  Assembly: OPC frd, frs1, rm
- Name: "r-m+ff2"
  Fields:
  - funct5
  - funct2
  - rs2c
  - frs1
  - rmns
  - frd
  - opcode
  Assembly: OPC frd, frs1
- Name: "r-m+ff2rm"
  Fields:
  - funct5
  - funct2
  - rs2c
  - frs1
  - rm
  - frd
  - opcode
  Assembly: OPC frd, frs1, rm
- Name: "r-m+fr"
  Fields:
  - funct5
  - funct2
  - rs2
  - rs1
  - rmns
  - frd
  - opcode
  Assembly: OPC frd, rs1
- Name: "r-m+frrm"
  Fields:
  - funct5
  - funct2
  - rs2
  - rs1
  - rm
  - frd
  - opcode
  Assembly: OPC frd, rs1, rm
- Name: "r-m+fr2"
  Fields:
  - funct5
  - funct2
  - rs2c
  - rs1
  - rmns
  - frd
  - opcode
  Assembly: OPC frd, rs1
- Name: "r-m+fr2rm"
  Fields:
  - funct5
  - funct2
  - rs2c
  - rs1
  - rm
  - frd
  - opcode
  Assembly: OPC frd, rs1, rm
- Name: "r-m+rf"
  Fields:
  - funct5
  - funct2
  - rs2
  - frs1
  - rmns
  - rd
  - opcode
  Assembly: OPC rd, frs1
- Name: "r-m+rfrm"
  Fields:
  - funct5
  - funct2
  - rs2
  - frs1
  - rm
  - rd
  - opcode
  Assembly: OPC rd, frs1, rm
- Name: "r-m+rf2"
  Fields:
  - funct5
  - funct2
  - rs2c
  - frs1
  - rmns
  - rd
  - opcode
  Assembly: OPC rd, frs1
- Name: "r-m+rf2rm"
  Fields:
  - funct5
  - funct2
  - rs2c
  - frs1
  - rm
  - rd
  - opcode
  Assembly: OPC rd, frs1, rm
- Name: "r4-m"
  Fields:
  - frs3
  - funct2
  - frs2
  - frs1
  - rmns
  - frd
  - opcode
  Assembly: OPC frd, frs1, frs2, frs3
- Name: "r4-mrm"
  Fields:
  - frs3
  - funct2
  - frs2
  - frs1
  - rm
  - frd
  - opcode
  Assembly: OPC frd, frs1, frs2, frs3, rm
- Name: "s"
  Fields:
  - s_imm7
  - rs2
  - rs1
  - funct3
  - s_imm5
  - opcode
  Assembly: OPC rs2, s_imm12(rs1) 
- Name: "s+f"
  Fields:
  - s_imm7
  - frs2
  - rs1
  - funct3
  - s_imm5
  - opcode
  Assembly: OPC frs2, s_imm12(rs1) 
- Name: "sb"
  Fields:
  - sb_imm7
  - rs2
  - rs1
  - funct3
  - sb_imm5
  - opcode
  Assembly: OPC rs1, rs2, sb_imm12
- Name: "u"
  Fields:
  - u_imm20
  - rd
  - opcode
  Assembly: OPC rd, u_imm20
- Name: "u+o"
  Fields:
  - u_imm20
  - rd
  - opcode
  Assembly: OPC rd, u_imm20
- Name: "uj"
  Fields:
  - uj_imm20
  - rd
  - opcode
  Assembly: OPC rd, uj_imm20
- Name: "cr"
  Fields:
  - funct4
  - rd
  - rs2
  - opcode_compressed
  Assembly: OPC rd, rs2
- Name: "cr_jr"
  Fields:
  - funct4
  - rd
  - rs2_jr
  - opcode_compressed
  Assembly: OPC rd
- Name: "c_funct14"
  Fields:
  - funct4
  - funct10
  - opcode_compressed
  Assembly: OPC
- Name: "ci_w"
  Fields:
  - funct3
  - c_imm1
  - rd
  - cw_imm5
  - opcode_compressed
  Assembly: OPC rd, c_imm6(sp)
- Name: "ci_i"
  Fields:
  - funct3
  - c_imm1
  - rd
  - ci_imm5
  - opcode_compressed
  Assembly: OPC rd, c_imm6
- Name: "ci_ls"
  Fields:
  - funct3
  - c_imm1
  - rd
  - cls_imm5
  - opcode_compressed
  Assembly: OPC rd, c_imm6
- Name: "ci_d"
  Fields:
  - funct3
  - c_imm1
  - rd
  - cd_imm5
  - opcode_compressed
  Assembly: OPC rd, c_imm6(sp)
- Name: "ci_d+f"
  Fields:
  - funct3
  - c_imm1
  - frd
  - cd_imm5
  - opcode_compressed
  Assembly: OPC frd, c_imm6(sp)
- Name: "ci_u"
  Fields:
  - funct3
  - c_imm1
  - rd
  - cu_imm5
  - opcode_compressed
  Assembly: OPC rd, c_imm6
- Name: "ci_s"
  Fields:
  - funct3
  - c_imm1
  - rd
  - cs_imm5
  - opcode_compressed
  Assembly: OPC rd, c_imm6
- Name: "css_w"
  Fields:
  - funct3
  - cw_imm6
  - rs2
  - opcode_compressed
  Assembly: OPC rs2, cw_imm6(sp)
- Name: "css_d"
  Fields:
  - funct3
  - cd_imm6
  - rs2
  - opcode_compressed
  Assembly: OPC rs2, cd_imm6(sp)
- Name: "css_d+f"
  Fields:
  - funct3
  - cd_imm6
  - frs2
  - opcode_compressed
  Assembly: OPC frs2, cd_imm6(sp)
- Name: "ciw"
  Fields:
  - funct3
  - cs_imm8
  - crd
  - opcode_compressed
  Assembly: OPC crd, sp, cs_imm8
- Name: "cl_w"
  Fields:
  - funct3
  - cw_imm3
  - crs1
  - c_imm2
  - crd
  - opcode_compressed
  Assembly: OPC crd, c_imm5(crs1)
- Name: "cl_d"
  Fields:
  - funct3
  - cd_imm3
  - crs1
  - c_imm2
  - crd
  - opcode_compressed
  Assembly: OPC crd, c_imm5(crs1)
- Name: "cl_d+f"
  Fields:
  - funct3
  - cd_imm3
  - crs1
  - c_imm2
  - fcrd
  - opcode_compressed
  Assembly: OPC fcrd, c_imm5(crs1)
- Name: "cs_w"
  Fields:
  - funct3
  - cw_imm3
  - crs1
  - c_imm2
  - crs2
  - opcode_compressed
  Assembly: OPC crs2, c_imm5(crs1)
- Name: "cs_d"
  Fields:
  - funct3
  - cd_imm3
  - crs1
  - c_imm2
  - crs2
  - opcode_compressed
  Assembly: OPC crs2, c_imm5(crs1)
- Name: "ca"
  Fields:
  - funct6
  - crd
  - funct2
  - crs2
  - opcode_compressed
  Assembly: OPC crd, crs2
- Name: "cb_b"
  Fields:
  - funct3
  - c_imm3
  - crs1
  - cb_imm5
  - opcode_compressed
  Assembly: OPC crs1, c_imm8
- Name: "cb_i"
  Fields:
  - funct3
  - c_imm3
  - crs1
  - ci_imm5
  - opcode_compressed
  Assembly: OPC crs1, c_imm8(crs1)
- Name: "cb_s"
  Fields:
  - funct3
  - c_imm1
  - funct2
  - crd
  - ci_imm5
  - opcode_compressed
  Assembly: OPC crd, c_imm6
- Name: "cb_ls"
  Fields:
  - funct3
  - c_imm1
  - funct2
  - crd
  - cls_imm5
  - opcode_compressed
  Assembly: OPC crd, c_imm6
- Name: "cj"
  Fields:
  - funct3
  - c_imm11
  - opcode_compressed
  Assembly: OPC c_imm11
- Name: "sys"
  Fields:
  - funct25
  - opcode
  Assembly: OPC
- Name: "csr"
  Fields:
  - u_imm12
  - rs1
  - funct3
  - rd
  - opcode
  Assembly: OPC rd, u_imm12, rs1