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Add gemmini fence instruction #22

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Merged
jerryz123 merged 2 commits into from
Mar 18, 2021
Merged

Add gemmini fence instruction #22

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3db7a44
Add gemmini fence instruction
jerryz123 Dec 12, 2020
d6f2a9d
Merge branch 'master' into gemmini-fence
jerryz123 Mar 18, 2021
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2 changes: 2 additions & 0 deletions gemmini/gemmini.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1211,6 +1211,8 @@ reg_t gemmini_t::CUSTOMFN(XCUSTOM_ACC)(rocc_insn_t insn, reg_t xs1, reg_t xs2) {
//==========================================================================
else if (insn.funct == flush_funct) {
dprintf("GEMMINI: flush\n");
} else if (insn.funct == fence_funct) {
dprintf("GEMMINI: fence\n");
} else {
dprintf("GEMMINI: encountered unknown instruction with funct: %d\n", insn.funct);
illegal_instruction();
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3 changes: 3 additions & 0 deletions gemmini/gemmini.h
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Expand Up @@ -136,6 +136,7 @@ class gemmini_t : public rocc_t
const unsigned loop_ws_config_addrs_DC_funct = 11;
const unsigned loop_ws_config_strides_AB_funct = 12;
const unsigned loop_ws_config_strides_DC_funct = 13;

const unsigned loop_conv_ws_funct = 15;
const unsigned loop_conv_ws_config_1_funct = 16;
const unsigned loop_conv_ws_config_2_funct = 17;
Expand All @@ -144,6 +145,8 @@ class gemmini_t : public rocc_t
const unsigned loop_conv_ws_config_5_funct = 20;
const unsigned loop_conv_ws_config_6_funct = 21;

const unsigned fence_funct = 127;

//==========================================================================
// gemmini-cisc opcodes
//==========================================================================
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