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minor update

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This commit is contained in:
Blaise Tine 2021-04-04 17:57:35 -07:00
parent 5cfd6e6f82
commit 2ce6dbb495
2 changed files with 13 additions and 11 deletions
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22
hw/rtl/VX_lsu_unit.v
View file

@ -97,7 +97,7 @@ module VX_lsu_unit #(
&& (0 == req_sent_mask) // first submission only
&& req_wb; // loads only
wire mbuf_pop = dcache_rsp_fire && ~(|rsp_rem_mask_n);
wire mbuf_pop = dcache_rsp_fire && (0 == rsp_rem_mask_n);
assign mbuf_raddr = dcache_rsp_if.tag[`DCORE_TAG_ID_BITS-1:0];
@ -124,8 +124,9 @@ module VX_lsu_unit #(
end
end
assign sent_all_ready = (&(dcache_req_if.ready | req_sent_mask | ~req_tmask))
|| (req_is_dup & dcache_req_if.ready[0]);
assign sent_all_ready = &(dcache_req_if.ready | req_sent_mask);
wire [`NUM_THREADS-1:0] req_sent_dup = {{(`NUM_THREADS-1){dcache_req_fire[0] && req_is_dup}}, 1'b0};
always @(posedge clk) begin
if (reset) begin
@ -134,7 +135,7 @@ module VX_lsu_unit #(
if (sent_all_ready)
req_sent_mask <= 0;
else
req_sent_mask <= req_sent_mask | dcache_req_fire;
req_sent_mask <= req_sent_mask | dcache_req_fire | req_sent_dup;
end
end
@ -146,10 +147,13 @@ module VX_lsu_unit #(
req_tag_hold <= mbuf_waddr;
end
wire [`NUM_THREADS-1:0] req_tmask_dup = req_tmask & {{(`NUM_THREADS-1){~req_is_dup}}, 1'b1};
assign rsp_rem_mask_n = rsp_rem_mask[mbuf_raddr] & ~dcache_rsp_if.valid;
always @(posedge clk) begin
if (mbuf_push) begin
rsp_rem_mask[mbuf_waddr] <= req_is_dup ? (`NUM_THREADS)'(1) : req_tmask;
rsp_rem_mask[mbuf_waddr] <= req_tmask_dup;
end
if (dcache_rsp_fire) begin
rsp_rem_mask[mbuf_raddr] <= rsp_rem_mask_n;
@ -159,8 +163,6 @@ module VX_lsu_unit #(
wire req_ready_dep = (req_wb && ~mbuf_full)
|| (~req_wb && st_commit_if.ready);
wire [`NUM_THREADS-1:0] dup_mask = {{(`NUM_THREADS-1){~req_is_dup}}, 1'b1};
// DCache Request
reg [`NUM_THREADS-1:0][29:0] mem_req_addr;
@ -191,7 +193,7 @@ module VX_lsu_unit #(
end
end
assign dcache_req_if.valid = {`NUM_THREADS{req_valid && req_ready_dep}} & req_tmask & dup_mask & ~req_sent_mask;
assign dcache_req_if.valid = {`NUM_THREADS{req_valid && req_ready_dep}} & req_tmask_dup & ~req_sent_mask;
assign dcache_req_if.rw = {`NUM_THREADS{~req_wb}};
assign dcache_req_if.addr = mem_req_addr;
assign dcache_req_if.byteen = mem_req_byteen;
@ -257,8 +259,8 @@ module VX_lsu_unit #(
.clk (clk),
.reset (reset),
.enable (!load_rsp_stall),
.data_in ({(| dcache_rsp_if.valid), rsp_wid, rsp_tmask_qual, rsp_pc, rsp_rd, rsp_wb, rsp_data, mbuf_pop}),
.data_out ({ld_commit_if.valid, ld_commit_if.wid, ld_commit_if.tmask, ld_commit_if.PC, ld_commit_if.rd, ld_commit_if.wb, ld_commit_if.data, ld_commit_if.eop})
.data_in ({(| dcache_rsp_if.valid), rsp_wid, rsp_tmask_qual, rsp_pc, rsp_rd, rsp_wb, rsp_data, mbuf_pop}),
.data_out ({ld_commit_if.valid, ld_commit_if.wid, ld_commit_if.tmask, ld_commit_if.PC, ld_commit_if.rd, ld_commit_if.wb, ld_commit_if.data, ld_commit_if.eop})
);
// Can accept new cache response?

2
hw/syn/opae/sources_8c.txt
View file

@ -6,7 +6,7 @@
+define+QUARTUS
#+define+PERF_ENABLE
vortex_afu.json
vortex_afu16.json
QI:vortex_afu.qsf
C:sources.txt