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fixed FPU-CSR data dependence

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This commit is contained in:
Blaise Tine
2020-11-25 09:05:38 -08:00
parent 71b98b166c
commit 461be0880d
24 changed files with 191 additions and 187 deletions
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26
hw/rtl/VX_execute.v
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@@ -30,17 +30,19 @@ module VX_execute #(
// outputs
VX_branch_ctl_if branch_ctl_if,
VX_warp_ctl_if warp_ctl_if,
VX_exu_to_cmt_if alu_commit_if,
VX_exu_to_cmt_if lsu_commit_if,
VX_exu_to_cmt_if csr_commit_if,
VX_exu_to_cmt_if mul_commit_if,
VX_fpu_to_cmt_if fpu_commit_if,
VX_exu_to_cmt_if gpu_commit_if,
VX_commit_if alu_commit_if,
VX_commit_if lsu_commit_if,
VX_commit_if csr_commit_if,
VX_commit_if mul_commit_if,
VX_commit_if fpu_commit_if,
VX_commit_if gpu_commit_if,
input wire busy,
output wire ebreak
);
VX_csr_to_fpu_if csr_to_fpu_if();
VX_fpu_to_csr_if fpu_to_csr_if();
wire[`NUM_WARPS-1:0] csr_pending;
wire[`NUM_WARPS-1:0] fpu_pending;
VX_alu_unit #(
.CORE_ID(CORE_ID)
@@ -70,11 +72,13 @@ module VX_execute #(
.clk (clk),
.reset (reset),
.cmt_to_csr_if (cmt_to_csr_if),
.csr_to_fpu_if (csr_to_fpu_if),
.fpu_to_csr_if (fpu_to_csr_if),
.csr_io_req_if (csr_io_req_if),
.csr_io_rsp_if (csr_io_rsp_if),
.csr_req_if (csr_req_if),
.csr_commit_if (csr_commit_if),
.fpu_pending (fpu_pending),
.pending (csr_pending),
.busy (busy)
);
@@ -105,8 +109,10 @@ module VX_execute #(
.clk (clk),
.reset (reset),
.fpu_req_if (fpu_req_if),
.csr_to_fpu_if (csr_to_fpu_if),
.fpu_commit_if (fpu_commit_if)
.fpu_to_csr_if (fpu_to_csr_if),
.fpu_commit_if (fpu_commit_if),
.csr_pending (csr_pending),
.pending (fpu_pending)
);
`else
assign fpu_req_if.ready = 0;