Changes in kernel/arch/arm32/src/exception.c [48a209a:4bd3f45] in mainline

File:

• kernel/arch/arm32/src/exception.c (modified) (2 diffs)

kernel/arch/arm32/src/exception.c

@@ -161 +161 @@
 }
 
-/** Undefined instruction exception handler.
- *
- * Calls scheduler_fpu_lazy_request
- */
-static void undef_insn_exception(unsigned int exc_no, istate_t *istate)
-{
-        if (!handle_if_fpu_exception()) {
-                fault_if_from_uspace(istate, "Undefined instruction.");
-                panic_badtrap(istate, exc_no, "Undefined instruction.");
-        } else {
-                /*
-                 * Retry the failing instruction,
-                 * ARM Architecture Reference Manual says on p.B1-1169
-                 * that offset for undef instruction exception is 4
-                 */
-                istate->pc -= 4;
-        }
-}
-
 /** Initializes exception handling.
  *
@@ -193 +174 @@
         install_exception_handlers();
         
-        exc_register(EXC_UNDEF_INSTR, "undefined instruction", true,
-            (iroutine_t) undef_insn_exception);
         exc_register(EXC_IRQ, "interrupt", true,
             (iroutine_t) irq_exception);