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fixed L2 cache

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This commit is contained in:
Blaise Tine
2020-06-02 05:32:50 -07:00
parent e01c411b20
commit 9b186dcc6e
6 changed files with 46 additions and 37 deletions
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38
hw/rtl/cache/VX_bank.v vendored
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@@ -230,7 +230,7 @@ module VX_bank #(
wire mrvq_valid_st0;
wire[`REQS_BITS-1:0] mrvq_tid_st0;
wire [`LINE_ADDR_WIDTH-1:0] mrvq_addr_st0;
wire [`WORD_SELECT_WIDTH-1:0] mrvq_wsel_st0;
wire [`UP(`WORD_SELECT_WIDTH)-1:0] mrvq_wsel_st0;
wire [`WORD_WIDTH-1:0] mrvq_writeword_st0;
wire [`REQ_TAG_WIDTH-1:0] mrvq_tag_st0;
wire mrvq_rw_st0;
@@ -287,7 +287,7 @@ module VX_bank #(
wire qual_is_fill_st0;
wire qual_valid_st0;
wire [`LINE_ADDR_WIDTH-1:0] qual_addr_st0;
wire [`WORD_SELECT_WIDTH-1:0] qual_wsel_st0;
wire [`UP(`WORD_SELECT_WIDTH)-1:0] qual_wsel_st0;
wire qual_from_mrvq_st0;
wire [`WORD_WIDTH-1:0] qual_writeword_st0;
@@ -298,7 +298,7 @@ module VX_bank #(
wire valid_st1 [STAGE_1_CYCLES-1:0];
wire [`LINE_ADDR_WIDTH-1:0] addr_st1 [STAGE_1_CYCLES-1:0];
wire [`WORD_SELECT_WIDTH-1:0] wsel_st1 [STAGE_1_CYCLES-1:0];
wire [`UP(`WORD_SELECT_WIDTH)-1:0] wsel_st1 [STAGE_1_CYCLES-1:0];
wire [`WORD_WIDTH-1:0] writeword_st1 [STAGE_1_CYCLES-1:0];
wire [`REQ_INST_META_WIDTH-1:0] inst_meta_st1 [STAGE_1_CYCLES-1:0];
wire [`BANK_LINE_WIDTH-1:0] writedata_st1 [STAGE_1_CYCLES-1:0];
@@ -313,18 +313,22 @@ module VX_bank #(
mrvq_pop_unqual ? mrvq_addr_st0 :
reqq_pop_unqual ? reqq_req_addr_st0[`LINE_SELECT_ADDR_RNG] :
snrq_pop_unqual ? snrq_addr_st0 :
0;
assign qual_wsel_st0 = reqq_pop_unqual ? reqq_req_addr_st0[`WORD_SELECT_WIDTH-1:0] :
mrvq_pop_unqual ? mrvq_wsel_st0 :
0;
0;
if (`WORD_SELECT_WIDTH != 0) begin
assign qual_wsel_st0 = reqq_pop_unqual ? reqq_req_addr_st0[`WORD_SELECT_WIDTH-1:0] :
mrvq_pop_unqual ? mrvq_wsel_st0 :
0;
end else begin
`UNUSED_VAR(mrvq_wsel_st0)
assign qual_wsel_st0 = 0;
end
assign qual_writedata_st0 = dfpq_pop_unqual ? dfpq_filldata_st0 : 57;
assign qual_inst_meta_st0 = mrvq_pop_unqual ? {`REQ_TAG_WIDTH'(mrvq_tag_st0) , mrvq_rw_st0, mrvq_byteen_st0, mrvq_tid_st0} :
reqq_pop_unqual ? {`REQ_TAG_WIDTH'(reqq_req_tag_st0), reqq_req_rw_st0, reqq_req_byteen_st0, reqq_req_tid_st0} :
snrq_pop_unqual ? {`REQ_TAG_WIDTH'(snrq_tag_st0), 1'b0, WORD_SIZE'(0), `REQS_BITS'(0)} :
0;
0;
assign qual_going_to_write_st0 = dfpq_pop_unqual ? 1 :
(mrvq_pop_unqual && mrvq_rw_st0) ? 1 :
@@ -333,11 +337,11 @@ module VX_bank #(
assign qual_is_snp_st0 = mrvq_pop_unqual ? mrvq_is_snp_st0 :
snrq_pop_unqual ? 1 :
0;
0;
assign qual_writeword_st0 = mrvq_pop_unqual ? mrvq_writeword_st0 :
reqq_pop_unqual ? reqq_req_writeword_st0 :
0;
0;
assign qual_from_mrvq_st0 = mrvq_pop_unqual;
@@ -348,7 +352,7 @@ module VX_bank #(
)
VX_generic_register #(
.N(1 + 1 + 1 + 1 + `LINE_ADDR_WIDTH + `WORD_SELECT_WIDTH + `WORD_WIDTH + `REQ_INST_META_WIDTH + 1 + `BANK_LINE_WIDTH)
.N(1 + 1 + 1 + 1 + `LINE_ADDR_WIDTH + `UP(`WORD_SELECT_WIDTH) + `WORD_WIDTH + `REQ_INST_META_WIDTH + 1 + `BANK_LINE_WIDTH)
) s0_1_c0 (
.clk (clk),
.reset (reset),
@@ -361,7 +365,7 @@ module VX_bank #(
genvar i;
for (i = 1; i < STAGE_1_CYCLES; i++) begin
VX_generic_register #(
.N(1 + 1 + 1 + 1 + `LINE_ADDR_WIDTH + `WORD_SELECT_WIDTH + `WORD_WIDTH + `REQ_INST_META_WIDTH + 1 + `BANK_LINE_WIDTH)
.N(1 + 1 + 1 + 1 + `LINE_ADDR_WIDTH + `UP(`WORD_SELECT_WIDTH) + `WORD_WIDTH + `REQ_INST_META_WIDTH + 1 + `BANK_LINE_WIDTH)
) s0_1_cc (
.clk (clk),
.reset(reset),
@@ -428,7 +432,7 @@ module VX_bank #(
.valid_req_st1e (valid_st1e),
.writefill_st1e (is_fill_st1[STAGE_1_CYCLES-1]),
.writeaddr_st1e (addr_st1[STAGE_1_CYCLES-1]),
.writewsel_st1e (wsel_st1[STAGE_1_CYCLES-1]),
.wordsel_st1e (wsel_st1[STAGE_1_CYCLES-1]),
.writeword_st1e (writeword_st1[STAGE_1_CYCLES-1]),
.writedata_st1e (writedata_st1[STAGE_1_CYCLES-1]),
@@ -458,7 +462,7 @@ module VX_bank #(
wire from_mrvq_st1e_st2 = from_mrvq_st1e && !is_snp_st1e;
wire valid_st2;
wire [`WORD_SELECT_WIDTH-1:0] wsel_st2;
wire [`UP(`WORD_SELECT_WIDTH)-1:0] wsel_st2;
wire [`WORD_WIDTH-1:0] writeword_st2;
wire [`WORD_WIDTH-1:0] readword_st2;
wire [`BANK_LINE_WIDTH-1:0] readdata_st2;
@@ -478,7 +482,7 @@ module VX_bank #(
wire mrvq_init_ready_state_hazard_st1e_st1;
VX_generic_register #(
.N(1+ 1+ 1 + 1 + 1 + 1 + 1 + 1 + `LINE_ADDR_WIDTH + `WORD_SELECT_WIDTH + `WORD_WIDTH + `WORD_WIDTH + `BANK_LINE_WIDTH + `TAG_SELECT_BITS + 1 + 1 + BANK_LINE_SIZE + `REQ_INST_META_WIDTH)
.N(1+ 1+ 1 + 1 + 1 + 1 + 1 + 1 + `LINE_ADDR_WIDTH + `UP(`WORD_SELECT_WIDTH) + `WORD_WIDTH + `WORD_WIDTH + `BANK_LINE_WIDTH + `TAG_SELECT_BITS + 1 + 1 + BANK_LINE_SIZE + `REQ_INST_META_WIDTH)
) st_1e_2 (
.clk (clk),
.reset(reset),
@@ -512,7 +516,7 @@ module VX_bank #(
assign recover_mrvq_state_st2 = miss_add && from_mrvq_st2;
wire [`LINE_ADDR_WIDTH-1:0] miss_add_addr = addr_st2;
wire [`WORD_SELECT_WIDTH-1:0] miss_add_wsel = wsel_st2;
wire [`UP(`WORD_SELECT_WIDTH)-1:0] miss_add_wsel = wsel_st2;
wire [`WORD_WIDTH-1:0] miss_add_data = writeword_st2;
assign {miss_add_tag, miss_add_rw, miss_add_byteen, miss_add_tid} = inst_meta_st2;
wire miss_add_is_snp = is_snp_st2;