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instr_sched => ibuffer

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This commit is contained in:
Blaise Tine
2021-06-27 19:36:43 -07:00
parent 212581a33d
commit f84c8a0b5d
10 changed files with 117 additions and 114 deletions
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6
hw/rtl/cache/VX_bank.v vendored
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@@ -437,10 +437,12 @@ module VX_bank #(
`UNUSED_PIN (enqueue_almfull),
`UNUSED_PIN (enqueue_full),
// lookup
.lookup_ready (mrsq_pop),
// lookup
.lookup_addr (lookup_addr),
.lookup_match (mshr_pending),
// fill update
.fill_update (mrsq_pop),
// schedule
.schedule (mshr_pop),

16
hw/rtl/cache/VX_miss_resrv.v vendored
View File

@@ -42,11 +42,13 @@ module VX_miss_resrv #(
output wire enqueue_full,
output wire enqueue_almfull,
// lookup
input wire lookup_ready,
// lookup
input wire [`LINE_ADDR_WIDTH-1:0] lookup_addr,
output wire lookup_match,
// fill update
input wire fill_update,
// schedule
input wire schedule,
output wire schedule_valid,
@@ -74,8 +76,6 @@ module VX_miss_resrv #(
assign valid_address_match[i] = valid_table[i] && (addr_table[i] == lookup_addr);
end
assign lookup_match = (| valid_address_match);
wire push_new = enqueue && !enqueue_is_mshr;
wire restore = enqueue && enqueue_is_mshr;
@@ -93,10 +93,9 @@ module VX_miss_resrv #(
used_r <= 0;
alm_full_r <= 0;
full_r <= 0;
end else begin
end else begin
// WARNING: lookup should happen enqueue for ready_table's correct update
if (lookup_ready) begin
if (fill_update) begin
// unlock pending requests for scheduling
ready_table <= ready_table | valid_address_match;
end
@@ -170,6 +169,7 @@ module VX_miss_resrv #(
.dout(schedule_data)
);
assign lookup_match = (| valid_address_match);
assign schedule_valid = ready_table[schedule_ptr];
assign schedule_addr = addr_table[schedule_ptr];
assign enqueue_almfull = alm_full_r;
@@ -177,7 +177,7 @@ module VX_miss_resrv #(
`ifdef DBG_PRINT_CACHE_MSHR
always @(posedge clk) begin
if (lookup_ready || schedule || enqueue || dequeue) begin
if (fill_update || schedule || enqueue || dequeue) begin
if (schedule)
$display("%t: cache%0d:%0d mshr-schedule: addr%0d=%0h, wid=%0d, PC=%0h", $time, CACHE_ID, BANK_ID, schedule_ptr, `LINE_TO_BYTE_ADDR(schedule_addr, BANK_ID), deq_debug_wid, deq_debug_pc);
if (enqueue) begin