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Add dummy code for decoupled Hopper tensor core

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Define EXT_T_HOPPER that, when EXT_T_ENABLE is defined, distinguishes
whether to instantiate core-coupled Volta-style or decoupled
Hopper-style Tensor Core.
This commit is contained in:
Hansung Kim
2024-10-07 17:10:59 -07:00
parent da54162241
commit 4cac1adf7d
4 changed files with 146 additions and 15 deletions
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34
hw/rtl/core/VX_decode.sv
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@@ -542,16 +542,30 @@ module VX_decode #(
endcase
end
`ifdef EXT_T_ENABLE
`INST_EXT4: begin
ex_type = `EX_TENSOR;
op_type = `INST_TENSOR_HMMA;
// tensor core macroop is encoded as r-type
use_rd = 1;
`USED_IREG (rd);
`USED_IREG (rs1);
`USED_IREG (rs2);
`USED_IREG (rs3);
end
`ifdef EXT_T_HOPPER
// TODO
`INST_EXT4: begin
ex_type = `EX_TENSOR;
op_type = `INST_TENSOR_HMMA;
// tensor core macroop is encoded as r-type
use_rd = 1;
`USED_IREG (rd);
`USED_IREG (rs1);
`USED_IREG (rs2);
`USED_IREG (rs3);
end
`else
`INST_EXT4: begin
ex_type = `EX_TENSOR;
op_type = `INST_TENSOR_HMMA;
// tensor core macroop is encoded as r-type
use_rd = 1;
`USED_IREG (rd);
`USED_IREG (rs1);
`USED_IREG (rs2);
`USED_IREG (rs3);
end
`endif
`endif
default:;
endcase