From d1b10aa380578b5af20081dd37f2d36ec111cbd2 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sat, 30 Sep 2023 00:07:20 -0600
Subject: platform: implement SMP controller

---
 rtl/smp/smp_ctrl.sv | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 rtl/smp/smp_ctrl.sv

(limited to 'rtl/smp/smp_ctrl.sv')

diff --git a/rtl/smp/smp_ctrl.sv b/rtl/smp/smp_ctrl.sv
new file mode 100644
index 0000000..b6123ad
--- /dev/null
+++ b/rtl/smp/smp_ctrl.sv
@@ -0,0 +1,84 @@
+module smp_ctrl
+(
+	input  logic	   clk,
+	                   rst_n,
+	
+	input  logic       avl_read,
+	                   avl_write,
+	input  logic[31:0] avl_writedata,
+	output logic[31:0] avl_readdata,
+
+	input logic        cpu_halted_0,
+	                   cpu_halted_1,
+	                   cpu_halted_2,
+	                   cpu_halted_3,
+	input logic        breakpoint_0,
+	                   breakpoint_1,
+	                   breakpoint_2,
+	                   breakpoint_3,	
+
+	output logic       halt_0,
+	                   halt_1,
+	                   halt_2,
+	                   halt_3,
+	                   step_0,
+	                   step_1,
+	                   step_2,
+	                   step_3
+);
+
+	logic write;
+	logic[7:0] readdata_3, readdata_2, readdata_1, readdata_0,
+	           writedata_3, writedata_2, writedata_1, writedata_0;
+
+	assign avl_readdata = {readdata_3, readdata_2, readdata_1, readdata_0};
+	assign {writedata_3, writedata_2, writedata_1, writedata_0} = avl_writedata;
+
+	// No hay addresses
+	assign write = avl_write;
+
+	mp_pe #(.IS_BSP(1)) pe_0
+	(
+		.step(step_0),
+		.halt(halt_0),
+		.cpu_halted(cpu_halted_0),
+		.breakpoint(breakpoint_0),
+		.readdata(readdata_0),
+		.writedata(writedata_0),
+		.*
+	);
+
+	mp_pe pe_1
+	(
+		.step(step_1),
+		.halt(halt_1),
+		.cpu_halted(cpu_halted_1),
+		.breakpoint(breakpoint_1),
+		.readdata(readdata_1),
+		.writedata(writedata_1),
+		.*
+	);
+
+	mp_pe pe_2
+	(
+		.step(step_2),
+		.halt(halt_2),
+		.cpu_halted(cpu_halted_2),
+		.breakpoint(breakpoint_2),
+		.readdata(readdata_2),
+		.writedata(writedata_2),
+		.*
+	);
+
+	mp_pe pe_3
+	(
+		.step(step_3),
+		.halt(halt_3),
+		.cpu_halted(cpu_halted_3),
+		.breakpoint(breakpoint_3),
+		.readdata(readdata_3),
+		.writedata(writedata_3),
+		.*
+	);
+
+endmodule
-- 
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