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Bring out debug_mode_o port #2306

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Bring out debug_mode_o port #2306

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6 changes: 5 additions & 1 deletion rtl/ibex_core.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,8 @@ module ibex_core import ibex_pkg::*; #(
output logic irq_pending_o,

// Debug Interface
input logic debug_req_i,
input logic debug_req_i, // Request from Top to Core to enter debug mode
output logic debug_mode_o, // Indicates that the Core has entered debug mode
output crash_dump_t crash_dump_o,
// SEC_CM: EXCEPTION.CTRL_FLOW.LOCAL_ESC
// SEC_CM: EXCEPTION.CTRL_FLOW.GLOBAL_ESC
Expand Down Expand Up @@ -706,6 +707,9 @@ module ibex_core import ibex_pkg::*; #(
.instr_id_done_o (instr_id_done)
);

// Debug Mode output
assign debug_mode_o = debug_mode;
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@marnovandermaas marnovandermaas Nov 25, 2025

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I see that debug mode is already exposed when RVFI is defined. Does that suffice in your use-case?


// for RVFI only
assign unused_illegal_insn_id = illegal_insn_id;

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4 changes: 3 additions & 1 deletion rtl/ibex_top.sv
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Expand Up @@ -100,7 +100,8 @@ module ibex_top import ibex_pkg::*; #(
output logic scramble_req_o,

// Debug Interface
input logic debug_req_i,
input logic debug_req_i, // Request to Core to enter debug mode
output logic debug_mode_o, // Indicates that the core has entered debug mode
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@marnovandermaas marnovandermaas Nov 25, 2025

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You would need to add this anywhere where ibex_top is instantiated as well.

output crash_dump_t crash_dump_o,
output logic double_fault_seen_o,

Expand Down Expand Up @@ -385,6 +386,7 @@ module ibex_top import ibex_pkg::*; #(
.irq_pending_o(irq_pending),

.debug_req_i,
.debug_mode_o(debug_mode_o),
.crash_dump_o,
.double_fault_seen_o,

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