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Added EXEC to Warp Scheduler buffer

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This commit is contained in:
fares
2019-11-18 11:34:51 -05:00
parent a3e0b6ed90
commit c6d56f11c3
3 changed files with 49 additions and 12 deletions
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3
rtl/VX_back_end.v
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@@ -86,7 +86,8 @@ VX_lsu load_store_unit(
VX_execute_unit VX_execUnit(
// .clk (clk),
.clk (clk),
.reset (reset),
.VX_exec_unit_req(VX_exec_unit_req),
.VX_inst_exec_wb (VX_inst_exec_wb),
.VX_jal_rsp (VX_jal_rsp),

54
rtl/VX_execute_unit.v
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@@ -1,8 +1,8 @@
`include "VX_define.v"
module VX_execute_unit (
// input wire clk,
// Input
input wire clk,
input wire reset,
// Request
VX_exec_unit_req_inter VX_exec_unit_req,
@@ -95,6 +95,13 @@ module VX_execute_unit (
end
endgenerate
// VX_inst_exec_wb_inter VX_inst_exec_wb_temp();
// JAL Response
VX_jal_response_inter VX_jal_rsp_temp();
// Branch Response
VX_branch_response_inter VX_branch_rsp_temp();
// Actual Writeback
assign VX_inst_exec_wb.rd = VX_exec_unit_req.rd;
assign VX_inst_exec_wb.wb = VX_exec_unit_req.wb;
@@ -104,17 +111,46 @@ module VX_execute_unit (
assign VX_inst_exec_wb.exec_wb_pc = in_curr_PC;
// Jal rsp
assign VX_jal_rsp.jal = in_jal;
assign VX_jal_rsp.jal_dest = $signed(in_a_reg_data[jal_branch_use_index]) + $signed(in_jal_offset);
assign VX_jal_rsp.jal_warp_num = VX_exec_unit_req.warp_num;
assign VX_jal_rsp_temp.jal = in_jal;
assign VX_jal_rsp_temp.jal_dest = $signed(in_a_reg_data[jal_branch_use_index]) + $signed(in_jal_offset);
assign VX_jal_rsp_temp.jal_warp_num = VX_exec_unit_req.warp_num;
// Branch rsp
assign VX_branch_rsp.valid_branch = (VX_exec_unit_req.branch_type != `NO_BRANCH) && (|VX_exec_unit_req.valid);
assign VX_branch_rsp.branch_dir = temp_branch_dir;
assign VX_branch_rsp.branch_warp_num = VX_exec_unit_req.warp_num;
assign VX_branch_rsp.branch_dest = $signed(VX_exec_unit_req.curr_PC) + ($signed(VX_exec_unit_req.itype_immed) << 1); // itype_immed = branch_offset
assign VX_branch_rsp_temp.valid_branch = (VX_exec_unit_req.branch_type != `NO_BRANCH) && (|VX_exec_unit_req.valid);
assign VX_branch_rsp_temp.branch_dir = temp_branch_dir;
assign VX_branch_rsp_temp.branch_warp_num = VX_exec_unit_req.warp_num;
assign VX_branch_rsp_temp.branch_dest = $signed(VX_exec_unit_req.curr_PC) + ($signed(VX_exec_unit_req.itype_immed) << 1); // itype_immed = branch_offset
wire zero = 0;
// VX_generic_register #(.N(174)) exec_reg(
// .clk (clk),
// .reset(reset),
// .stall(zero),
// .flush(zero),
// .in ({VX_inst_exec_wb_temp.rd, VX_inst_exec_wb_temp.wb, VX_inst_exec_wb_temp.wb_valid, VX_inst_exec_wb_temp.wb_warp_num, VX_inst_exec_wb_temp.alu_result, VX_inst_exec_wb_temp.exec_wb_pc}),
// .out ({VX_inst_exec_wb.rd , VX_inst_exec_wb.wb , VX_inst_exec_wb.wb_valid , VX_inst_exec_wb.wb_warp_num , VX_inst_exec_wb.alu_result , VX_inst_exec_wb.exec_wb_pc })
// );
VX_generic_register #(.N(36)) jal_reg(
.clk (clk),
.reset(reset),
.stall(zero),
.flush(zero),
.in ({VX_jal_rsp_temp.jal, VX_jal_rsp_temp.jal_dest, VX_jal_rsp_temp.jal_warp_num}),
.out ({VX_jal_rsp.jal , VX_jal_rsp.jal_dest , VX_jal_rsp.jal_warp_num})
);
VX_generic_register #(.N(37)) branch_reg(
.clk (clk),
.reset(reset),
.stall(zero),
.flush(zero),
.in ({VX_branch_rsp_temp.valid_branch, VX_branch_rsp_temp.branch_dir, VX_branch_rsp_temp.branch_warp_num, VX_branch_rsp_temp.branch_dest}),
.out ({VX_branch_rsp.valid_branch , VX_branch_rsp.branch_dir , VX_branch_rsp.branch_warp_num , VX_branch_rsp.branch_dest })
);
// always @(*) begin
// case(in_alu_op)
// `CSR_ALU_RW: out_csr_result = in_csr_mask;

4
rtl/shared_memory/VX_shared_memory_block.v
View File

@@ -38,10 +38,10 @@ module VX_shared_memory_block
//for (curr_ind = 0; curr_ind < 128; curr_ind = curr_ind + 1)
for (curr_ind = 0; curr_ind < SMB_HEIGHT; curr_ind = curr_ind + 1)
begin
shared_memory[curr_ind] <= 0;
shared_memory[curr_ind] = 0;
end
end else if(shm_write) begin
shared_memory[addr][we][31:0] <= wdata[we][31:0]; // - Ethan's addition
shared_memory[addr][we][31:0] = wdata[we][31:0]; // - Ethan's addition
//if (we == 2'b00) shared_memory[addr][0][31:0] <= wdata[0][31:0];
//if (we == 2'b01) shared_memory[addr][1][31:0] <= wdata[1][31:0];
//if (we == 2'b10) shared_memory[addr][2][31:0] <= wdata[2][31:0];