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-rw-r--r--target-xtensa/cpu-qom.h3
-rw-r--r--target-xtensa/cpu.c1
-rw-r--r--target-xtensa/op_helper.c14
3 files changed, 18 insertions, 0 deletions
diff --git a/target-xtensa/cpu-qom.h b/target-xtensa/cpu-qom.h
index 9de5c6e..2258224 100644
--- a/target-xtensa/cpu-qom.h
+++ b/target-xtensa/cpu-qom.h
@@ -85,6 +85,9 @@ static inline XtensaCPU *xtensa_env_get_cpu(const CPUXtensaState *env)
void xtensa_cpu_do_interrupt(CPUState *cpu);
bool xtensa_cpu_exec_interrupt(CPUState *cpu, int interrupt_request);
+void xtensa_cpu_do_unassigned_access(CPUState *cpu, hwaddr addr,
+ bool is_write, bool is_exec, int opaque,
+ unsigned size);
void xtensa_cpu_dump_state(CPUState *cpu, FILE *f,
fprintf_function cpu_fprintf, int flags);
hwaddr xtensa_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
diff --git a/target-xtensa/cpu.c b/target-xtensa/cpu.c
index 6a5414f..2b75678 100644
--- a/target-xtensa/cpu.c
+++ b/target-xtensa/cpu.c
@@ -151,6 +151,7 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
#ifndef CONFIG_USER_ONLY
cc->do_unaligned_access = xtensa_cpu_do_unaligned_access;
cc->get_phys_page_debug = xtensa_cpu_get_phys_page_debug;
+ cc->do_unassigned_access = xtensa_cpu_do_unassigned_access;
#endif
cc->debug_excp_handler = xtensa_breakpoint_handler;
dc->vmsd = &vmstate_xtensa_cpu;
diff --git a/target-xtensa/op_helper.c b/target-xtensa/op_helper.c
index 49e8634..be657e6 100644
--- a/target-xtensa/op_helper.c
+++ b/target-xtensa/op_helper.c
@@ -71,6 +71,20 @@ void tlb_fill(CPUState *cs,
}
}
+void xtensa_cpu_do_unassigned_access(CPUState *cs, hwaddr addr,
+ bool is_write, bool is_exec, int opaque,
+ unsigned size)
+{
+ XtensaCPU *cpu = XTENSA_CPU(cs);
+ CPUXtensaState *env = &cpu->env;
+
+ HELPER(exception_cause_vaddr)(env, env->pc,
+ is_exec ?
+ INSTR_PIF_ADDR_ERROR_CAUSE :
+ LOAD_STORE_PIF_ADDR_ERROR_CAUSE,
+ is_exec ? addr : cs->mem_io_vaddr);
+}
+
static void tb_invalidate_virtual_addr(CPUXtensaState *env, uint32_t vaddr)
{
uint32_t paddr;