rtl: refactor filenames and directory hierarchy

1 files changed, 36 insertions, 0 deletions

diff --git a/rtl/core/core_decode_ldst_misc.sv b/rtl/core/core_decode_ldst_misc.sv
new file mode 100644
index 0000000..bedbdf4
--- /dev/null
+++ b/rtl/core/core_decode_ldst_misc.sv
@@ -0,0 +1,36 @@
+`include "core/isa.sv"
+`include "core/uarch.sv"
+
+module core_decode_ldst_misc
+(
+	input  word        insn,
+
+	output ldst_decode decode,
+	output logic       off_is_imm,
+	output logic[7:0]  off_imm,
+	output reg_num     off_reg
+);
+
+	logic p, w;
+
+	assign decode.rn = insn `FIELD_LDST_MISC_RN;
+	assign decode.rd = insn `FIELD_LDST_MISC_RD;
+	assign decode.size = insn `FIELD_LDST_MISC_H ? LDST_HALF : LDST_BYTE;
+	assign decode.load = insn `FIELD_LDST_LD;
+	assign decode.increment = insn `FIELD_LDST_MISC_U;
+	assign decode.writeback = !p || w;
+	assign decode.exclusive = 0;
+	assign decode.sign_extend = insn `FIELD_LDST_MISC_S;
+	assign decode.pre_indexed = p;
+	assign decode.unprivileged = 0;
+	assign decode.user_regs = 0;
+	assign decode.regs = 16'b0;
+
+	assign off_imm = {insn `FIELD_LDST_MISC_IMM_HI, insn `FIELD_LDST_MISC_IMM_LO};
+	assign off_reg = insn `FIELD_LDST_MISC_RM;
+	assign off_is_imm = insn `FIELD_LDST_MISC_IMM;
+
+	assign p = insn `FIELD_LDST_MISC_P;
+	assign w = insn `FIELD_LDST_MISC_W;
+
+endmodule