From beebe7c376b329ec5c084aedd6d726378d742a77 Mon Sep 17 00:00:00 2001 From: Alejandro Soto Date: Sun, 6 Nov 2022 15:16:13 -0600 Subject: Move exception logic out of control.sv --- rtl/core/control/exception.sv | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 rtl/core/control/exception.sv (limited to 'rtl/core/control/exception.sv') diff --git a/rtl/core/control/exception.sv b/rtl/core/control/exception.sv new file mode 100644 index 0000000..9a64cd5 --- /dev/null +++ b/rtl/core/control/exception.sv @@ -0,0 +1,28 @@ +`include "core/uarch.sv" + +module core_control_exception +( + input logic clk, + + input logic undefined, + + output word vector, + output logic exception +); + + logic high_vectors; + logic[2:0] vector_offset; + + assign exception = undefined; //TODO + assign high_vectors = 0; //TODO + assign vector = {{16{high_vectors}}, 11'b0, vector_offset, 2'b00}; + + always_comb + vector_offset = 3'b001; //TODO + + //TODO: spsr_ = cpsr + //TODO: actualizar modo + //TODO: deshabilitar IRQs/FIQs dependiendo de modo + //TODO: Considerar que data abort usa + 8, no + 4 + +endmodule -- cgit v1.2.3