1 files changed, 0 insertions, 129 deletions
diff --git a/rtl/core/control/ldst/ldst.sv b/rtl/core/control/ldst/ldst.sv
deleted file mode 100644
index aa5c957..0000000
--- a/rtl/core/control/ldst/ldst.sv
+++ /dev/null
@@ -1,129 +0,0 @@
-`include "core/uarch.sv"
-
-module core_control_ldst
-(
-	input  logic       clk,
-	                   rst_n,
-
-	input  insn_decode dec,
-	input  logic       issue,
-	                   mem_ready,
-	                   mem_ex_fail,
-	input  word        rd_value_b,
-	                   q_alu,
-	                   q_shifter,
-
-	input  ctrl_cycle  cycle,
-	                   next_cycle,
-	input  word        alu_a,
-	                   alu_b,
-
-	output ptr         mem_addr,
-	output logic[3:0]  mem_data_be,
-	output word        mem_data_wr,
-	                   mem_offset,
-	output logic       mem_start,
-	                   mem_write,
-	                   mem_ex_lock,
-	                   mem_user,
-	                   pop_valid,
-	                   ldst,
-	                   ldst_next,
-	                   ldst_reject,
-	                   ldst_writeback,
-	output logic[1:0]  ldst_shift,
-	output word        ldst_read,
-	                   strex_ok,
-	output reg_num     popped
-);
-
-	word base;
-	logic block_strex, increment, pre, sign_extend;
-	reg_num popped_upper, popped_lower;
-	reg_list mem_regs, next_regs_upper, next_regs_lower;
-	ldst_size size;
-
-	assign popped = increment ? popped_lower : popped_upper;
-	assign ldst_next = !cycle.transfer || mem_ready;
-	assign mem_data_wr = mem_ex_lock ? alu_b : q_shifter;
-
-	assign strex_ok = {31'd0, mem_ex_fail || block_strex};
-	assign ldst_reject = mem_ex_lock && mem_write && block_strex;
-
-	core_control_ldst_pop pop
-	(
-		.regs(mem_regs),
-		.valid(pop_valid),
-		.next_upper(next_regs_upper),
-		.next_lower(next_regs_lower),
-		.pop_upper(popped_upper),
-		.pop_lower(popped_lower)
-	);
-
-	core_control_ldst_sizes sizes
-	(
-		.addr(mem_addr),
-		.read(ldst_read),
-		.shift(ldst_shift),
-		.fault(), //TODO: alignment check
-		.byteenable(mem_data_be),
-		.*
-	);
-
-	always_ff @(posedge clk or negedge rst_n)
-		if (!rst_n) begin
-			pre <= 0;
-			ldst <= 0;
-			size <= LDST_WORD;
-			increment <= 0;
-			block_strex <= 1;
-			sign_extend <= 0;
-			ldst_writeback <= 0;
-
-			base <= {$bits(base){1'b0}};
-			mem_regs <= {$bits(mem_regs){1'b0}};
-			mem_user <= 0;
-			mem_write <= 0;
-			mem_start <= 0;
-			mem_offset <= 0;
-			mem_ex_lock <= 0;
-		end else begin
-			if (mem_start)
-				mem_start <= 0;
-
-			if (next_cycle.issue) begin
-				if (issue) begin
-					ldst <= dec.ctrl.ldst;
-					mem_user <= dec.ldst.unprivileged;
-				end
-
-				pre <= dec.ldst.pre_indexed;
-				size <= dec.ldst.size;
-				increment <= dec.ldst.increment;
-				sign_extend <= dec.ldst.sign_extend;
-				ldst_writeback <= dec.ldst.writeback;
-
-				mem_regs <= dec.ldst.regs;
-				mem_write <= !dec.ldst.load;
-				mem_ex_lock <= dec.ldst.exclusive;
-			end else if (next_cycle.transfer) begin
-				if (!cycle.transfer) begin
-					ldst <= 0;
-					mem_offset <= alu_b;
-				end
-
-				if (ldst_next) begin
-					base <= pre ? q_alu : alu_a;
-					mem_regs <= increment ? next_regs_lower : next_regs_upper;
-				end
-
-				mem_start <= (!cycle.transfer || (mem_ready && pop_valid)) && !ldst_reject;
-
-				if (block_strex)
-					block_strex <= !mem_ex_lock || mem_write;
-			end else if (cycle.escalate) begin
-				ldst <= 0;
-				block_strex <= 1;
-			end
-		end
-endmodule