wu-arch/vortex
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

opae fixes

Browse Source
This commit is contained in:
Blaise Tine
2020-05-06 21:14:53 -07:00
parent 59cc0d5be9
commit de9fc68ccc
14 changed files with 249 additions and 170 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
hw/rtl/VX_warp.v
View File

@@ -19,26 +19,16 @@ module VX_warp (
output wire[`NUM_THREADS-1:0] valid
);
reg [31:0] real_PC;
logic [31:0] temp_PC;
logic [31:0] use_PC;
reg [`NUM_THREADS-1:0] valid_t;
reg [`NUM_THREADS-1:0] valid_zero;
integer i;
initial begin
real_PC = 0;
for (i = 1; i < `NUM_THREADS; i=i+1) begin
valid_t[i] = 0; // Thread 1 active
valid_zero[i] = 0;
end
valid_t = 1;
valid_zero[0] = 0;
end
reg [31:0] real_PC;
reg [31:0] temp_PC;
reg [31:0] use_PC;
always @(posedge clk) begin
if (remove) begin
valid_t <= valid_zero;
if (reset) begin
valid_t <= {{(`NUM_THREADS-1){1'b0}},1'b1}; // Thread 1 active
end else if (remove) begin
valid_t <= 0;
end else if (change_mask) begin
valid_t <= thread_mask;
end
@@ -46,7 +36,7 @@ module VX_warp (
genvar i;
generate
for (i = 0; i < `NUM_THREADS; i = i+1) begin : valid_assign
for (i = 0; i < `NUM_THREADS; i++) begin : valid_assign
assign valid[i] = change_mask ? thread_mask[i] : stall ? 1'b0 : valid_t[i];
end
endgenerate
@@ -54,8 +44,7 @@ module VX_warp (
always @(*) begin
if (jal == 1'b1) begin
temp_PC = jal_dest;
// $display("LINKING TO %h", temp_PC);
end else if (branch_dir == 1'b1) begin
end else if (branch_dir) begin
temp_PC = branch_dest;
end else begin
temp_PC = real_PC;
@@ -68,8 +57,7 @@ module VX_warp (
always @(posedge clk) begin
if (reset) begin
real_PC <= 0;
end else if (wspawn == 1'b1) begin
// $display("Inside warp ***** Spawn @ %H",wspawn_pc);
end else if (wspawn) begin
real_PC <= wspawn_pc;
end else if (!stall) begin
real_PC <= use_PC + 32'h4;