From 28ed0c8656cf2953050187557ccd8da3e8233cda Mon Sep 17 00:00:00 2001 From: Donald Sebastian Leung Date: Tue, 11 Aug 2020 17:32:56 +0800 Subject: [PATCH] Add AUIPC instruction --- insns/InsnAuipc.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 insns/InsnAuipc.py diff --git a/insns/InsnAuipc.py b/insns/InsnAuipc.py new file mode 100644 index 0000000..3760264 --- /dev/null +++ b/insns/InsnAuipc.py @@ -0,0 +1,15 @@ +from InsnRV32IUType import * + +""" +AUIPC instruction +""" + +class InsnAuipc(InsnRV32IUType): + 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, 0b0010111) + def elaborate(self, platform): + m = super().elaborate(platform) + + m.d.comb += self.spec_rd_wdata.eq(Mux(self.spec_rd_addr, self.rvfi_pc_rdata + self.insn_imm, 0)) + + return m