--- /dev/null
+
+"""
+/*
+ * Copyright 2018 Jacob Lifshay
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+"""
+
+from migen import Constant
+
+cause_instruction_address_misaligned = Constant(0x0, 4)
+cause_instruction_access_fault = Constant(0x1, 4)
+cause_illegal_instruction = Constant(0x2, 4)
+cause_breakpoint = Constant(0x3, 4)
+cause_load_address_misaligned = Constant(0x4, 4)
+cause_load_access_fault = Constant(0x5, 4)
+cause_store_amo_address_misaligned = Constant(0x6, 4)
+cause_store_amo_access_fault = Constant(0x7, 4)
+cause_user_environment_call = Constant(0x8, 4)
+cause_supervisor_environment_call = Constant(0x9, 4)
+cause_machine_environment_call = Constant(0xB, 4)
+cause_instruction_page_fault = Constant(0xC, 4)
+cause_load_page_fault = Constant(0xD, 4)
+cause_store_amo_page_fault = Constant(0xF, 4)
+
+opcode_load = Constant(0x03, 7)
+opcode_load_fp = Constant(0x07, 7)
+opcode_custom_0 = Constant(0x0B, 7)
+opcode_misc_mem = Constant(0x0F, 7)
+opcode_op_imm = Constant(0x13, 7)
+opcode_auipc = Constant(0x17, 7)
+opcode_op_imm_32 = Constant(0x1B, 7)
+opcode_48b_escape_0 = Constant(0x1F, 7)
+
+opcode_store = Constant(0x23, 7)
+opcode_store_fp = Constant(0x27, 7)
+opcode_custom_1 = Constant(0x2B, 7)
+opcode_amo = Constant(0x2F, 7)
+opcode_op = Constant(0x33, 7)
+opcode_lui = Constant(0x37, 7)
+opcode_op_32 = Constant(0x3B, 7)
+opcode_64b_escape = Constant(0x3F, 7)
+
+opcode_madd = Constant(0x43, 7)
+opcode_msub = Constant(0x47, 7)
+opcode_nmsub = Constant(0x4B, 7)
+opcode_nmadd = Constant(0x4F, 7)
+opcode_op_fp = Constant(0x53, 7)
+opcode_reserved_10101 = Constant(0x57, 7)
+opcode_rv128_0 = Constant(0x5B, 7)
+opcode_48b_escape_1 = Constant(0x5F, 7)
+
+opcode_branch = Constant(0x63, 7)
+opcode_jalr = Constant(0x67, 7)
+opcode_reserved_11010 = Constant(0x6B, 7)
+opcode_jal = Constant(0x6F, 7)
+opcode_system = Constant(0x73, 7)
+opcode_reserved_11101 = Constant(0x77, 7)
+opcode_rv128_1 = Constant(0x7B, 7)
+opcode_80b_escape = Constant(0x7F, 7)
+
+funct3_jalr = Constant(0x0, 3)
+funct3_beq = Constant(0x0, 3)
+funct3_bne = Constant(0x1, 3)
+funct3_blt = Constant(0x4, 3)
+funct3_bge = Constant(0x5, 3)
+funct3_bltu = Constant(0x6, 3)
+funct3_bgeu = Constant(0x7, 3)
+funct3_lb = Constant(0x0, 3)
+funct3_lh = Constant(0x1, 3)
+funct3_lw = Constant(0x2, 3)
+funct3_lbu = Constant(0x4, 3)
+funct3_lhu = Constant(0x5, 3)
+funct3_sb = Constant(0x0, 3)
+funct3_sh = Constant(0x1, 3)
+funct3_sw = Constant(0x2, 3)
+funct3_addi = Constant(0x0, 3)
+funct3_slli = Constant(0x1, 3)
+funct3_slti = Constant(0x2, 3)
+funct3_sltiu = Constant(0x3, 3)
+funct3_xori = Constant(0x4, 3)
+funct3_srli_srai = Constant(0x5, 3)
+funct3_ori = Constant(0x6, 3)
+funct3_andi = Constant(0x7, 3)
+funct3_add_sub = Constant(0x0, 3)
+funct3_sll = Constant(0x1, 3)
+funct3_slt = Constant(0x2, 3)
+funct3_sltu = Constant(0x3, 3)
+funct3_xor = Constant(0x4, 3)
+funct3_srl_sra = Constant(0x5, 3)
+funct3_or = Constant(0x6, 3)
+funct3_and = Constant(0x7, 3)
+funct3_fence = Constant(0x0, 3)
+funct3_fence_i = Constant(0x1, 3)
+funct3_ecall_ebreak = Constant(0x0, 3)
+funct3_csrrw = Constant(0x1, 3)
+funct3_csrrs = Constant(0x2, 3)
+funct3_csrrc = Constant(0x3, 3)
+funct3_csrrwi = Constant(0x5, 3)
+funct3_csrrsi = Constant(0x6, 3)
+funct3_csrrci = Constant(0x7, 3)
+
+csr_ustatus = Constant(0x000, 12)
+csr_fflags = Constant(0x001, 12)
+csr_frm = Constant(0x002, 12)
+csr_fcsr = Constant(0x003, 12)
+csr_uie = Constant(0x004, 12)
+csr_utvec = Constant(0x005, 12)
+csr_uscratch = Constant(0x040, 12)
+csr_uepc = Constant(0x041, 12)
+csr_ucause = Constant(0x042, 12)
+csr_utval = Constant(0x043, 12)
+csr_uip = Constant(0x044, 12)
+csr_cycle = Constant(0xC00, 12)
+csr_time = Constant(0xC01, 12)
+csr_instret = Constant(0xC02, 12)
+csr_cycleh = Constant(0xC80, 12)
+csr_timeh = Constant(0xC81, 12)
+csr_instreth = Constant(0xC82, 12)
+
+csr_sstatus = Constant(0x100, 12)
+csr_sedeleg = Constant(0x102, 12)
+csr_sideleg = Constant(0x103, 12)
+csr_sie = Constant(0x104, 12)
+csr_stvec = Constant(0x105, 12)
+csr_scounteren = Constant(0x106, 12)
+csr_sscratch = Constant(0x140, 12)
+csr_sepc = Constant(0x141, 12)
+csr_scause = Constant(0x142, 12)
+csr_stval = Constant(0x143, 12)
+csr_sip = Constant(0x144, 12)
+csr_satp = Constant(0x180, 12)
+
+csr_mvendorid = Constant(0xF11, 12)
+csr_marchid = Constant(0xF12, 12)
+csr_mimpid = Constant(0xF13, 12)
+csr_mhartid = Constant(0xF14, 12)
+csr_mstatus = Constant(0x300, 12)
+csr_misa = Constant(0x301, 12)
+csr_medeleg = Constant(0x302, 12)
+csr_mideleg = Constant(0x303, 12)
+csr_mie = Constant(0x304, 12)
+csr_mtvec = Constant(0x305, 12)
+csr_mcounteren = Constant(0x306, 12)
+csr_mscratch = Constant(0x340, 12)
+csr_mepc = Constant(0x341, 12)
+csr_mcause = Constant(0x342, 12)
+csr_mtval = Constant(0x343, 12)
+csr_mip = Constant(0x344, 12)
+csr_mcycle = Constant(0xB00, 12)
+csr_minstret = Constant(0xB02, 12)
+csr_mcycleh = Constant(0xB80, 12)
+csr_minstreth = Constant(0xB82, 12)
+
+csr_dcsr = Constant(0x7B0, 12)
+csr_dpc = Constant(0x7B1, 12)
+csr_dscratch = Constant(0x7B2, 12)
+
projects / rv32.git / commitdiff