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adding data fence support

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This commit is contained in:
Blaise Tine
2021-06-28 06:12:18 -07:00
parent 6ae2f5199d
commit c6afc35989
14 changed files with 1044 additions and 9 deletions
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9
hw/rtl/VX_instr_demux.v
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@@ -53,16 +53,17 @@ module VX_instr_demux (
// lsu unit
wire lsu_req_valid = ibuffer_if.valid && (ibuffer_if.ex_type == `EX_LSU);
wire lsu_is_fence = `LSU_IS_FENCE(ibuffer_if.op_mod);
VX_skid_buffer #(
.DATAW (`NW_BITS + `NUM_THREADS + 32 + `LSU_BITS + 32 + `NR_BITS + 1 + (2 * `NUM_THREADS * 32))
.DATAW (`NW_BITS + `NUM_THREADS + 32 + `LSU_BITS + 1 + 32 + `NR_BITS + 1 + (2 * `NUM_THREADS * 32))
) lsu_buffer (
.clk (clk),
.reset (reset),
.valid_in (lsu_req_valid),
.ready_in (lsu_req_ready),
.data_in ({ibuffer_if.wid, ibuffer_if.tmask, ibuffer_if.PC, `LSU_OP(ibuffer_if.op_type), ibuffer_if.imm, ibuffer_if.rd, ibuffer_if.wb, gpr_rsp_if.rs1_data, gpr_rsp_if.rs2_data}),
.data_out ({lsu_req_if.wid, lsu_req_if.tmask, lsu_req_if.PC, lsu_req_if.op_type, lsu_req_if.offset, lsu_req_if.rd, lsu_req_if.wb, lsu_req_if.base_addr, lsu_req_if.store_data}),
.data_in ({ibuffer_if.wid, ibuffer_if.tmask, ibuffer_if.PC, `LSU_OP(ibuffer_if.op_type), lsu_is_fence, ibuffer_if.imm, ibuffer_if.rd, ibuffer_if.wb, gpr_rsp_if.rs1_data, gpr_rsp_if.rs2_data}),
.data_out ({lsu_req_if.wid, lsu_req_if.tmask, lsu_req_if.PC, lsu_req_if.op_type, lsu_req_if.is_fence, lsu_req_if.offset, lsu_req_if.rd, lsu_req_if.wb, lsu_req_if.base_addr, lsu_req_if.store_data}),
.valid_out (lsu_req_if.valid),
.ready_out (lsu_req_if.ready)
);
@@ -88,7 +89,7 @@ module VX_instr_demux (
`ifdef EXT_F_ENABLE
wire fpu_req_valid = ibuffer_if.valid && (ibuffer_if.ex_type == `EX_FPU);
VX_skid_buffer #(
.DATAW (`NW_BITS + `NUM_THREADS + 32 + `FPU_BITS + `MOD_BITS + `NR_BITS + 1 + (3 * `NUM_THREADS * 32))
) fpu_buffer (