From 1fb51e614d31dff093f131bed848d0484753fd4d Mon Sep 17 00:00:00 2001 From: Donald Sebastian Leung Date: Mon, 10 Aug 2020 12:29:52 +0800 Subject: [PATCH] Add SLLI instruction --- insns/InsnSlli.py | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 insns/InsnSlli.py diff --git a/insns/InsnSlli.py b/insns/InsnSlli.py new file mode 100644 index 0000000..0292cfa --- /dev/null +++ b/insns/InsnSlli.py @@ -0,0 +1,11 @@ +from InsnRV32IITypeShift import * + +class InsnSlli(InsnRV32IITypeShift): + def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED): + super().__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED, 0b000000, 0b001) + def elaborate(self, platform): + m = super().elaborate(platform) + + m.d.comb += self.spec_rd_wdata.eq(Mux(self.spec_rd_addr, self.rvfi_rs1_rdata << self.insn_shamt, 0)) + + return m