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IF Store (preparation for entirely new approach)

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Sven Stucki 2015-08-25 15:06:00 +02:00
parent 96b5d1940d
commit 20110184e6
1 changed files with 4 additions and 5 deletions
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9
if_stage.sv
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@ -266,18 +266,18 @@ module if_stage
end
end
//FETCH_NEXT,
WAIT_REQ,
WAIT_ACK:
begin
if (fetch_fsm_cs == FETCH_NEXT || fetch_fsm_cs == WAIT_ACK) begin
if (fetch_fsm_cs == WAIT_ACK) begin
if (fetch_ack) begin
ack_int = 1'b1; // ack even in presence of stalls
if (pc_if_offset == 1'b0 || is_compressed[1])
ack_int = 1'b1; // ack even in presence of stalls
fetch_fsm_ns = WAIT_REQ;
end
end
if ((fetch_fsm_cs == WAIT_REQ || fetch_ack) && (stall_if_i == 1'b0 || (cross_line == 1'b1 && cross_line_n == 1'b0)) && req_i) begin
if ((fetch_fsm_cs == WAIT_REQ || fetch_ack) && (stall_if_i == 1'b0 || (cross_line == 1'b1 && cross_line_n == 1'b0) || fetch_fsm_cs == WAIT_REQ) && req_i) begin
if (pc_if_offset) begin
if (is_compressed[1]) begin
// serve second part of fetched instruction and request next
@ -357,7 +357,6 @@ module if_stage
default:
begin
$print("Error: default case of fetch fsm!");
fetch_fsm_ns = IDLE;
end
endcase