/* Copyright 2019 Blue Liang, liangkangnan@163.com 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. */ // 从Flash启动时打开下面这个宏 //`define FLASH_BOOT `ifdef FLASH_BOOT `define CPU_RESET_ADDR 32'h01000000 // CPU复位地址 `else `define CPU_RESET_ADDR 32'h00000000 // CPU复位地址 `endif `define CPU_CLOCK_HZ 25000000 // CPU时钟(25MHZ) `define JTAG_RESET_FF_LEVELS 5 `define ROM_DEPTH (32 * 256) // 32KB，指令存储器深度，单位为word(4字节) `define RAM_DEPTH (16 * 256) // 16KB，数据存储器深度，单位为word(4字节) // 外设地址、大小 // ROM `define ROM_ADDR_MASK ~32'hfffff `define ROM_ADDR_BASE 32'h00000000 // Bootrom `define BOOTROM_ADDR_MASK ~32'hffffff `define BOOTROM_ADDR_BASE 32'h01000000 // Xip `define XIP_ADDR_MASK ~32'hffffff `define XIP_ADDR_BASE 32'h02000000 // DEBUG `define DEBUG_ADDR_MASK ~32'hfffff `define DEBUG_ADDR_BASE 32'h10000000 // RAM `define RAM_ADDR_MASK ~32'hfffff `define RAM_ADDR_BASE 32'h20000000 // GPIO `define GPIO_ADDR_MASK ~32'hffff `define GPIO_ADDR_BASE 32'h03000000 // Timer0 `define TIMER0_ADDR_MASK ~32'hffff `define TIMER0_ADDR_BASE 32'h04000000 // UART0 `define UART0_ADDR_MASK ~32'hffff `define UART0_ADDR_BASE 32'h05000000 // I2C0 `define I2C0_ADDR_MASK ~32'hffff `define I2C0_ADDR_BASE 32'h06000000 // SPI0 `define SPI0_ADDR_MASK ~32'hffff `define SPI0_ADDR_BASE 32'h07000000 // PINMUX `define PINMUX_ADDR_MASK ~32'hffff `define PINMUX_ADDR_BASE 32'h08000000 // UART1 `define UART1_ADDR_MASK ~32'hffff `define UART1_ADDR_BASE 32'h09000000 // UART2 `define UART2_ADDR_MASK ~32'hffff `define UART2_ADDR_BASE 32'h0A000000 // Timer1 `define TIMER1_ADDR_MASK ~32'hffff `define TIMER1_ADDR_BASE 32'h0C000000 // Timer2 `define TIMER2_ADDR_MASK ~32'hffff `define TIMER2_ADDR_BASE 32'h0D000000 // I2C1 `define I2C1_ADDR_MASK ~32'hffff `define I2C1_ADDR_BASE 32'h0B000000 // Interrupt controller `define RVIC_ADDR_MASK ~32'hffff `define RVIC_ADDR_BASE 32'hD0000000 // SIM CTRL `define SIM_CTRL_ADDR_MASK ~32'hffff `define SIM_CTRL_ADDR_BASE 32'hE0000000 `define STALL_WIDTH 4 `define STALL_PC 2'd0 `define STALL_IF 2'd1 `define STALL_ID 2'd2 `define STALL_EX 2'd3 `define INST_NOP 32'h00000013 `define INST_MRET 32'h30200073 `define INST_ECALL 32'h00000073 `define INST_EBREAK 32'h00100073 `define INST_DRET 32'h7b200073 // 指令译码信息 `define DECINFO_GRP_BUS 2:0 `define DECINFO_GRP_WIDTH 3 `define DECINFO_GRP_ALU `DECINFO_GRP_WIDTH'd1 `define DECINFO_GRP_BJP `DECINFO_GRP_WIDTH'd2 `define DECINFO_GRP_MULDIV `DECINFO_GRP_WIDTH'd3 `define DECINFO_GRP_CSR `DECINFO_GRP_WIDTH'd4 `define DECINFO_GRP_MEM `DECINFO_GRP_WIDTH'd5 `define DECINFO_GRP_SYS `DECINFO_GRP_WIDTH'd6 `define DECINFO_ALU_BUS_WIDTH (`DECINFO_GRP_WIDTH+14) `define DECINFO_ALU_LUI (`DECINFO_GRP_WIDTH+0) `define DECINFO_ALU_AUIPC (`DECINFO_GRP_WIDTH+1) `define DECINFO_ALU_ADD (`DECINFO_GRP_WIDTH+2) `define DECINFO_ALU_SUB (`DECINFO_GRP_WIDTH+3) `define DECINFO_ALU_SLL (`DECINFO_GRP_WIDTH+4) `define DECINFO_ALU_SLT (`DECINFO_GRP_WIDTH+5) `define DECINFO_ALU_SLTU (`DECINFO_GRP_WIDTH+6) `define DECINFO_ALU_XOR (`DECINFO_GRP_WIDTH+7) `define DECINFO_ALU_SRL (`DECINFO_GRP_WIDTH+8) `define DECINFO_ALU_SRA (`DECINFO_GRP_WIDTH+9) `define DECINFO_ALU_OR (`DECINFO_GRP_WIDTH+10) `define DECINFO_ALU_AND (`DECINFO_GRP_WIDTH+11) `define DECINFO_ALU_OP2IMM (`DECINFO_GRP_WIDTH+12) `define DECINFO_ALU_OP1PC (`DECINFO_GRP_WIDTH+13) `define DECINFO_BJP_BUS_WIDTH (`DECINFO_GRP_WIDTH+8) `define DECINFO_BJP_JUMP (`DECINFO_GRP_WIDTH+0) `define DECINFO_BJP_BEQ (`DECINFO_GRP_WIDTH+1) `define DECINFO_BJP_BNE (`DECINFO_GRP_WIDTH+2) `define DECINFO_BJP_BLT (`DECINFO_GRP_WIDTH+3) `define DECINFO_BJP_BGE (`DECINFO_GRP_WIDTH+4) `define DECINFO_BJP_BLTU (`DECINFO_GRP_WIDTH+5) `define DECINFO_BJP_BGEU (`DECINFO_GRP_WIDTH+6) `define DECINFO_BJP_OP1RS1 (`DECINFO_GRP_WIDTH+7) `define DECINFO_MULDIV_BUS_WIDTH (`DECINFO_GRP_WIDTH+8) `define DECINFO_MULDIV_MUL (`DECINFO_GRP_WIDTH+0) `define DECINFO_MULDIV_MULH (`DECINFO_GRP_WIDTH+1) `define DECINFO_MULDIV_MULHSU (`DECINFO_GRP_WIDTH+2) `define DECINFO_MULDIV_MULHU (`DECINFO_GRP_WIDTH+3) `define DECINFO_MULDIV_DIV (`DECINFO_GRP_WIDTH+4) `define DECINFO_MULDIV_DIVU (`DECINFO_GRP_WIDTH+5) `define DECINFO_MULDIV_REM (`DECINFO_GRP_WIDTH+6) `define DECINFO_MULDIV_REMU (`DECINFO_GRP_WIDTH+7) `define DECINFO_CSR_BUS_WIDTH (`DECINFO_GRP_WIDTH+16) `define DECINFO_CSR_CSRRW (`DECINFO_GRP_WIDTH+0) `define DECINFO_CSR_CSRRS (`DECINFO_GRP_WIDTH+1) `define DECINFO_CSR_CSRRC (`DECINFO_GRP_WIDTH+2) `define DECINFO_CSR_RS1IMM (`DECINFO_GRP_WIDTH+3) `define DECINFO_CSR_CSRADDR `DECINFO_GRP_WIDTH+4+12-1:`DECINFO_GRP_WIDTH+4 `define DECINFO_MEM_BUS_WIDTH (`DECINFO_GRP_WIDTH+8) `define DECINFO_MEM_LB (`DECINFO_GRP_WIDTH+0) `define DECINFO_MEM_LH (`DECINFO_GRP_WIDTH+1) `define DECINFO_MEM_LW (`DECINFO_GRP_WIDTH+2) `define DECINFO_MEM_LBU (`DECINFO_GRP_WIDTH+3) `define DECINFO_MEM_LHU (`DECINFO_GRP_WIDTH+4) `define DECINFO_MEM_SB (`DECINFO_GRP_WIDTH+5) `define DECINFO_MEM_SH (`DECINFO_GRP_WIDTH+6) `define DECINFO_MEM_SW (`DECINFO_GRP_WIDTH+7) `define DECINFO_SYS_BUS_WIDTH (`DECINFO_GRP_WIDTH+6) `define DECINFO_SYS_ECALL (`DECINFO_GRP_WIDTH+0) `define DECINFO_SYS_EBREAK (`DECINFO_GRP_WIDTH+1) `define DECINFO_SYS_NOP (`DECINFO_GRP_WIDTH+2) `define DECINFO_SYS_MRET (`DECINFO_GRP_WIDTH+3) `define DECINFO_SYS_FENCE (`DECINFO_GRP_WIDTH+4) `define DECINFO_SYS_DRET (`DECINFO_GRP_WIDTH+5) // 最长的那组 `define DECINFO_WIDTH `DECINFO_CSR_BUS_WIDTH // CSR寄存器地址 `define CSR_CYCLE 12'hc00 `define CSR_CYCLEH 12'hc80 `define CSR_MTVEC 12'h305 `define CSR_MCAUSE 12'h342 `define CSR_MEPC 12'h341 `define CSR_MIE 12'h304 `define CSR_MSTATUS 12'h300 `define CSR_MSCRATCH 12'h340 `define CSR_MHARTID 12'hF14 `define CSR_MISA 12'h301 // only used for verification `define CSR_SSTATUS 12'h100 // Debug `define CSR_DCSR 12'h7b0 `define CSR_DPC 12'h7b1 `define CSR_DSCRATCH0 12'h7b2 `define CSR_DSCRATCH1 12'h7b3 `define CSR_TSELECT 12'h7A0 `define CSR_TDATA1 12'h7A1 `define CSR_TDATA2 12'h7A2 `define CSR_TDATA3 12'h7A3 `define CSR_MCONTEXT 12'h7A8 `define CSR_SCONTEXT 12'h7AA