X-Git-Url: http://git.joshuawise.com/firearm.git/blobdiff_plain/58f12604629701572671898bbd9124b31c304a0c..8c1ba49460599b87da679552ba8191ea184f0d15:/system.v diff --git a/system.v b/system.v index de3fd74..071296c 100644 --- a/system.v +++ b/system.v @@ -116,12 +116,20 @@ module System(input clk, input rst /*AUTOWIRE*/ // Beginning of automatic wires (for undeclared instantiated-module outputs) wire bubble_1a; // From fetch of Fetch.v + wire bubble_2a; // From issue of Issue.v + wire carry_2a; // From decode of Decode.v + wire [31:0] cpsr_2a; // From decode of Decode.v wire [31:0] ic__rd_addr_0a; // From fetch of Fetch.v wire [31:0] ic__rd_data_1a; // From icache of ICache.v wire ic__rd_req_0a; // From fetch of Fetch.v wire ic__rd_wait_0a; // From icache of ICache.v wire [31:0] insn_1a; // From fetch of Fetch.v + wire [31:0] insn_2a; // From issue of Issue.v + wire [31:0] op0_2a; // From decode of Decode.v + wire [31:0] op1_2a; // From decode of Decode.v + wire [31:0] op2_2a; // From decode of Decode.v wire [31:0] pc_1a; // From fetch of Fetch.v + wire [31:0] pc_2a; // From issue of Issue.v wire [31:0] rf__rdata_0_1a; // From regfile of RegFile.v wire [31:0] rf__rdata_1_1a; // From regfile of RegFile.v wire [31:0] rf__rdata_2_1a; // From regfile of RegFile.v @@ -129,6 +137,7 @@ module System(input clk, input rst wire [3:0] rf__read_0_1a; // From decode of Decode.v wire [3:0] rf__read_1_1a; // From decode of Decode.v wire [3:0] rf__read_2_1a; // From decode of Decode.v + wire [31:0] spsr_2a; // From decode of Decode.v wire stall_0a; // From issue of Issue.v // End of automatics @@ -187,7 +196,6 @@ module System(input clk, input rst .bus_ready(bus_ready_blockram)); /* Fetch AUTO_TEMPLATE ( - .stall_0a(stall_cause_issue), .jmp_0a(jmp), .jmppc_0a(jmppc), ); @@ -205,31 +213,28 @@ module System(input clk, input rst .Nrst (Nrst), .ic__rd_wait_0a (ic__rd_wait_0a), .ic__rd_data_1a (ic__rd_data_1a[31:0]), - .stall_0a (stall_cause_issue), // Templated + .stall_0a (stall_0a), .jmp_0a (jmp), // Templated .jmppc_0a (jmppc)); // Templated /* Issue AUTO_TEMPLATE ( .stall_1a(stall_cause_execute), - .flush(execute_out_backflush | writeback_out_backflush), + .flush_1a(execute_out_backflush | writeback_out_backflush), .cpsr_1a(writeback_out_cpsr), - .bubble_2a(bubble_out_issue), - .pc_2a(pc_out_issue), - .insn_2a(insn_out_issue), ); */ Issue issue( /*AUTOINST*/ // Outputs .stall_0a (stall_0a), - .bubble_2a (bubble_out_issue), // Templated - .pc_2a (pc_out_issue), // Templated - .insn_2a (insn_out_issue), // Templated + .bubble_2a (bubble_2a), + .pc_2a (pc_2a[31:0]), + .insn_2a (insn_2a[31:0]), // Inputs .clk (clk), .Nrst (Nrst), .stall_1a (stall_cause_execute), // Templated - .flush (execute_out_backflush | writeback_out_backflush), // Templated + .flush_1a (execute_out_backflush | writeback_out_backflush), // Templated .bubble_1a (bubble_1a), .insn_1a (insn_1a[31:0]), .pc_1a (pc_1a[31:0]), @@ -264,25 +269,19 @@ module System(input clk, input rst /* Decode AUTO_TEMPLATE ( .stall(stall_cause_execute), - .incpsr(writeback_out_cpsr), - .inspsr(writeback_out_spsr), - .op0(decode_out_op0), - .op1(decode_out_op1), - .op2(decode_out_op2), - .carry(decode_out_carry), - .outcpsr(decode_out_cpsr), - .outspsr(decode_out_spsr), + .cpsr_1a(writeback_out_cpsr), + .spsr_1a(writeback_out_spsr), ); */ Decode decode( /*AUTOINST*/ // Outputs - .op0 (decode_out_op0), // Templated - .op1 (decode_out_op1), // Templated - .op2 (decode_out_op2), // Templated - .carry (decode_out_carry), // Templated - .outcpsr (decode_out_cpsr), // Templated - .outspsr (decode_out_spsr), // Templated + .op0_2a (op0_2a[31:0]), + .op1_2a (op1_2a[31:0]), + .op2_2a (op2_2a[31:0]), + .carry_2a (carry_2a), + .cpsr_2a (cpsr_2a[31:0]), + .spsr_2a (spsr_2a[31:0]), .rf__read_0_1a (rf__read_0_1a[3:0]), .rf__read_1_1a (rf__read_1_1a[3:0]), .rf__read_2_1a (rf__read_2_1a[3:0]), @@ -291,25 +290,64 @@ module System(input clk, input rst .stall (stall_cause_execute), // Templated .insn_1a (insn_1a[31:0]), .pc_1a (pc_1a[31:0]), - .incpsr (writeback_out_cpsr), // Templated - .inspsr (writeback_out_spsr), // Templated + .cpsr_1a (writeback_out_cpsr), // Templated + .spsr_1a (writeback_out_spsr), // Templated .rf__rdata_0_1a (rf__rdata_0_1a[31:0]), .rf__rdata_1_1a (rf__rdata_1_1a[31:0]), .rf__rdata_2_1a (rf__rdata_2_1a[31:0])); - + + /* Execute AUTO_TEMPLATE ( + .stall_2a(stall_cause_memory), + .flush(writeback_out_backflush), + .outstall_2a(stall_cause_execute), + .bubble_3a(bubble_out_execute), + .write_reg_3a(execute_out_write_reg), + .write_num_3a(execute_out_write_num), + .write_data_3a(execute_out_write_data), + .jmp_2a(jmp_out_execute), + .jmppc_2a(jmppc_out_execute), + .pc_3a(pc_out_execute), + .insn_3a(insn_out_execute), + .op0_3a(execute_out_op0), + .op1_3a(execute_out_op1), + .op2_3a(execute_out_op2), + .outcpsr(execute_out_cpsr), + .outspsr(execute_out_spsr), + .outcpsrup(execute_out_cpsrup), + ); + */ Execute execute( - .clk(clk), .Nrst(~rst), - .stall(stall_cause_memory), .flush(writeback_out_backflush), - .inbubble(bubble_out_issue), .pc(pc_out_issue), .insn(insn_out_issue), - .cpsr(decode_out_cpsr), .spsr(decode_out_spsr), .op0(decode_out_op0), .op1(decode_out_op1), - .op2(decode_out_op2), .carry(decode_out_carry), - .outstall(stall_cause_execute), .outbubble(bubble_out_execute), - .write_reg(execute_out_write_reg), .write_num(execute_out_write_num), - .write_data(execute_out_write_data), - .jmp(jmp_out_execute), .jmppc(jmppc_out_execute), - .outpc(pc_out_execute), .outinsn(insn_out_execute), - .outop0(execute_out_op0), .outop1(execute_out_op1), .outop2(execute_out_op2), - .outcpsr(execute_out_cpsr), .outspsr(execute_out_spsr), .outcpsrup(execute_out_cpsrup)); + /*AUTOINST*/ + // Outputs + .outstall_2a (stall_cause_execute), // Templated + .bubble_3a (bubble_out_execute), // Templated + .outcpsr (execute_out_cpsr), // Templated + .outspsr (execute_out_spsr), // Templated + .outcpsrup (execute_out_cpsrup), // Templated + .write_reg_3a (execute_out_write_reg), // Templated + .write_num_3a (execute_out_write_num), // Templated + .write_data_3a (execute_out_write_data), // Templated + .jmppc_2a (jmppc_out_execute), // Templated + .jmp_2a (jmp_out_execute), // Templated + .pc_3a (pc_out_execute), // Templated + .insn_3a (insn_out_execute), // Templated + .op0_3a (execute_out_op0), // Templated + .op1_3a (execute_out_op1), // Templated + .op2_3a (execute_out_op2), // Templated + // Inputs + .clk (clk), + .Nrst (Nrst), + .stall_2a (stall_cause_memory), // Templated + .flush (writeback_out_backflush), // Templated + .bubble_2a (bubble_2a), + .pc_2a (pc_2a[31:0]), + .insn_2a (insn_2a[31:0]), + .cpsr_2a (cpsr_2a[31:0]), + .spsr_2a (spsr_2a[31:0]), + .op0_2a (op0_2a[31:0]), + .op1_2a (op1_2a[31:0]), + .op2_2a (op2_2a[31:0]), + .carry_2a (carry_2a)); assign execute_out_backflush = jmp; assign cp_insn = insn_out_execute; @@ -356,8 +394,8 @@ module System(input clk, input rst clockno <= clockno + 1; $display("------------------------------------------------------------------------------"); $display("%3d: FETCH: Bubble: %d, Instruction: %08x, PC: %08x", clockno, bubble_1a, insn_1a, pc_1a); - $display("%3d: ISSUE: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x", clockno, stall_cause_issue, bubble_out_issue, insn_out_issue, pc_out_issue); - $display("%3d: DECODE: op0 %08x, op1 %08x, op2 %08x, carry %d", clockno, decode_out_op0, decode_out_op1, decode_out_op2, decode_out_carry); + $display("%3d: ISSUE: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x", clockno, stall_0a, bubble_2a, insn_2a, pc_2a); + $display("%3d: DECODE: op0 %08x, op1 %08x, op2 %08x, carry %d", clockno, op0_2a, op1_2a, op2_2a, carry_2a); $display("%3d: EXEC: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x, Reg: %d, [%08x -> %d], Jmp: %d [%08x]", clockno, stall_cause_execute, bubble_out_execute, insn_out_execute, pc_out_execute, execute_out_write_reg, execute_out_write_data, execute_out_write_num, jmp_out_execute, jmppc_out_execute); $display("%3d: MEMORY: Stall: %d, Bubble: %d, Instruction: %08x, PC: %08x, Reg: %d, [%08x -> %d]", clockno, stall_cause_memory, bubble_out_memory, insn_out_memory, pc_out_memory, memory_out_write_reg, memory_out_write_data, memory_out_write_num); $display("%3d: WRITEB: CPSR %08x, SPSR %08x, Reg: %d [%08x -> %d], Jmp: %d [%08x]", clockno, writeback_out_cpsr, writeback_out_spsr, regfile_write, regfile_write_data, regfile_write_reg, jmp_out_writeback, jmppc_out_writeback);