From f3b18ead59ae02f95dabbf0a1dea40873a816975 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 21 Jan 2024 06:23:46 -0600
Subject: rtl: refactor filenames and directory hierarchy

---
 rtl/core/core_cp15_cyclecnt.sv | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 rtl/core/core_cp15_cyclecnt.sv

(limited to 'rtl/core/core_cp15_cyclecnt.sv')

diff --git a/rtl/core/core_cp15_cyclecnt.sv b/rtl/core/core_cp15_cyclecnt.sv
new file mode 100644
index 0000000..b079a1b
--- /dev/null
+++ b/rtl/core/core_cp15_cyclecnt.sv
@@ -0,0 +1,23 @@
+`include "core/uarch.sv"
+
+module core_cp15_cyclecnt
+(
+	input  logic     clk,
+	                 rst_n,
+
+	input  logic     halt,
+
+	output word      read
+);
+
+	word cyclecnt;
+
+	assign read = cyclecnt;
+
+	always @(posedge clk or negedge rst_n)
+		if(!rst_n)
+			cyclecnt <= 0;
+		else if(!halt)
+			cyclecnt <= cyclecnt + 1;
+
+endmodule
-- 
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