From fbe3ab39675d338eb6d5388b7deacf98a3a8ae2d Mon Sep 17 00:00:00 2001 From: Alejandro Soto Date: Mon, 2 Oct 2023 11:15:34 -0600 Subject: rtl/core: implement ldrex/strex decode --- rtl/core/decode/ldst/exclusive.sv | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 rtl/core/decode/ldst/exclusive.sv (limited to 'rtl/core/decode/ldst/exclusive.sv') diff --git a/rtl/core/decode/ldst/exclusive.sv b/rtl/core/decode/ldst/exclusive.sv new file mode 100644 index 0000000..7942a04 --- /dev/null +++ b/rtl/core/decode/ldst/exclusive.sv @@ -0,0 +1,27 @@ +`include "core/decode/isa.sv" +`include "core/uarch.sv" + +module core_decode_ldst_exclusive +( + input word insn, + + output ldst_decode decode, + output reg_num snd_r +); + + assign snd_r = insn `FIELD_LDST_EX_R_OK; + + assign decode.rn = insn `FIELD_LDST_EX_RN; + assign decode.rd = insn `FIELD_LDST_EX_RD; + assign decode.size = LDST_WORD; + assign decode.load = insn `FIELD_LDST_EX_LD; + assign decode.increment = 0; + assign decode.writeback = 0; + assign decode.exclusive = 1; + assign decode.sign_extend = 0; + assign decode.pre_indexed = 0; + assign decode.unprivileged = 0; + assign decode.user_regs = 0; + assign decode.regs = 16'b0; + +endmodule -- cgit v1.2.3