diff options
Diffstat (limited to 'src/arch/riscv/isa/decoder.isa')
| -rw-r--r-- | src/arch/riscv/isa/decoder.isa | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/src/arch/riscv/isa/decoder.isa b/src/arch/riscv/isa/decoder.isa index ecee16118..bbed650ca 100644 --- a/src/arch/riscv/isa/decoder.isa +++ b/src/arch/riscv/isa/decoder.isa @@ -212,30 +212,16 @@ decode QUADRANT default Unknown::unknown() { offset |= ~((int64_t)0x7FF); NPC = PC + offset; }}, IsIndirectControl, IsUncondControl, IsCall); - format BOp { + format CBOp { 0x6: c_beqz({{ - int64_t offset = CIMM5<2:1> << 1 | - CIMM3<1:0> << 3 | - CIMM5<0:0> << 5 | - CIMM5<4:3> << 6; - if (CIMM3<2:2> > 0) - offset |= ~((int64_t)0xFF); - if (Rp1 == 0) - NPC = PC + offset; + NPC = PC + imm; else NPC = NPC; }}, IsDirectControl, IsCondControl); 0x7: c_bnez({{ - int64_t offset = CIMM5<2:1> << 1 | - CIMM3<1:0> << 3 | - CIMM5<0:0> << 5 | - CIMM5<4:3> << 6; - if (CIMM3<2:2> > 0) - offset |= ~((int64_t)0xFF); - if (Rp1 != 0) - NPC = PC + offset; + NPC = PC + imm; else NPC = NPC; }}, IsDirectControl, IsCondControl); |