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