diff options
Diffstat (limited to 'rv64cpu/rtl/core/richard_core.sv')
| -rw-r--r-- | rv64cpu/rtl/core/richard_core.sv | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/rv64cpu/rtl/core/richard_core.sv b/rv64cpu/rtl/core/richard_core.sv index 5b4acbc..ae73e77 100644 --- a/rv64cpu/rtl/core/richard_core.sv +++ b/rv64cpu/rtl/core/richard_core.sv @@ -154,6 +154,19 @@ module richard_core logic [11:0] csr_addr; logic [XLEN-1:0] csr_rs1_data; logic [XLEN-1:0] csr_rdata; // Result from CSR unit + logic [1:0] csr_priv_mode_cur; + logic [XLEN-1:0] csr_mtvec_base; + logic [XLEN-1:0] csr_stvec_base; + logic [XLEN-1:0] csr_mstatus_value; + logic [XLEN-1:0] csr_sstatus_value; + logic [XLEN-1:0] csr_medeleg_value; + logic [XLEN-1:0] csr_mideleg_value; + logic [XLEN-1:0] csr_mepc_value; + logic [XLEN-1:0] csr_sepc_value; + logic [XLEN-1:0] csr_satp_value; + logic [XLEN-1:0] csr_trap_vector_value; + logic csr_trap_to_s_mode_flag; + logic csr_illegal_access_flag; // (11) Exception / Trap bus logic trap_illegal_instr, trap_is_ecall, trap_is_ebreak, trap_is_mret, trap_is_sret; @@ -551,6 +564,33 @@ module richard_core .trap_epc (trap_epc) ); - assign csr_rdata = 64'b0; + csr_unit u_csr_unit ( + .clk (clk), + .rst (rst), + .csr_req (csr_req), + .csr_op (csr_op), + .csr_addr (csr_addr), + .csr_rs1_data (csr_rs1_data), + .trap_illegal_instr (trap_illegal_instr), + .trap_is_ecall (trap_is_ecall), + .trap_is_ebreak (trap_is_ebreak), + .trap_is_mret (trap_is_mret), + .trap_is_sret (trap_is_sret), + .trap_epc (trap_epc), + .csr_rdata (csr_rdata), + .csr_mstatus (csr_mstatus_value), + .csr_sstatus (csr_sstatus_value), + .csr_medeleg (csr_medeleg_value), + .csr_mideleg (csr_mideleg_value), + .csr_mtvec (csr_mtvec_base), + .csr_stvec (csr_stvec_base), + .csr_mepc (csr_mepc_value), + .csr_sepc (csr_sepc_value), + .csr_satp (csr_satp_value), + .csr_priv_mode (csr_priv_mode_cur), + .csr_trap_vector (csr_trap_vector_value), + .csr_trap_to_s_mode (csr_trap_to_s_mode_flag), + .csr_illegal_access (csr_illegal_access_flag) + ); endmodule |