From 1f7132e1e835e804861833f897c2c85f302f5ddf Mon Sep 17 00:00:00 2001
From: Hamid Rostami <hamid.r1988@gmail.com>
Date: Tue, 14 Apr 2026 22:09:12 +0100
Subject: [PATCH] Add new event type for ebreak, also report memory write error

---
 uvm32/uvm32.c | 8 ++++++++
 uvm32/uvm32.h | 1 +
 2 files changed, 9 insertions(+)

diff --git a/uvm32/uvm32.c b/uvm32/uvm32.c
index f62acbc..7fed1b3 100644
--- a/uvm32/uvm32.c
+++ b/uvm32/uvm32.c
@@ -309,6 +309,14 @@ uint32_t uvm32_run(uvm32_state_t *vmst, uvm32_evt_t *evt, uint32_t instr_meter)
                 setStatusErr(vmst, UVM32_ERR_MEM_RD);
                 setup_err_evt(vmst, evt);
             break;
+            case 8:
+                setStatusErr(vmst, UVM32_ERR_MEM_WR);
+                setup_err_evt(vmst, evt);
+            break;
+            case 3: // ebreak
+              vmst->_ioevt.typ = UVM32_EVT_BREAK;
+              setStatus(vmst, UVM32_STATUS_PAUSED);
+            break;
             default:
                 // unhandled exception
                 setStatusErr(vmst, UVM32_ERR_INTERNAL_CORE);
diff --git a/uvm32/uvm32.h b/uvm32/uvm32.h
index 25571b3..802746f 100644
--- a/uvm32/uvm32.h
+++ b/uvm32/uvm32.h
@@ -98,6 +98,7 @@ typedef enum {
 typedef enum {
     UVM32_EVT_ERR,      /*! Error has occurred, details in uvm32_evt_t data.err field */
     UVM32_EVT_SYSCALL,  /*! A syscall has been requested, details in uvm32__evt_t data.syscall field */
+    UVM32_EVT_BREAK,
     UVM32_EVT_END,      /*! The program has ended by making a UVM32_SYSCALL_HALT */
 } uvm32_evt_typ_t;