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-rw-r--r--target/xtensa/helper.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
index 34885038d5..34844eead3 100644
--- a/target/xtensa/helper.c
+++ b/target/xtensa/helper.c
@@ -173,6 +173,7 @@ void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf)
 
 hwaddr xtensa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
 {
+#ifndef CONFIG_USER_ONLY
     XtensaCPU *cpu = XTENSA_CPU(cs);
     uint32_t paddr;
     uint32_t page_size;
@@ -187,8 +188,13 @@ hwaddr xtensa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
         return paddr;
     }
     return ~0;
+#else
+    return addr;
+#endif
 }
 
+#ifndef CONFIG_USER_ONLY
+
 static uint32_t relocated_vector(CPUXtensaState *env, uint32_t vector)
 {
     if (xtensa_option_enabled(env->config,
@@ -298,6 +304,11 @@ void xtensa_cpu_do_interrupt(CPUState *cs)
     }
     check_interrupts(env);
 }
+#else
+void xtensa_cpu_do_interrupt(CPUState *cs)
+{
+}
+#endif
 
 bool xtensa_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
 {
@@ -309,6 +320,25 @@ bool xtensa_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
     return false;
 }
 
+#ifdef CONFIG_USER_ONLY
+
+int xtensa_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
+                                int mmu_idx)
+{
+    XtensaCPU *cpu = XTENSA_CPU(cs);
+    CPUXtensaState *env = &cpu->env;
+
+    qemu_log_mask(CPU_LOG_INT,
+                  "%s: rw = %d, address = 0x%08" VADDR_PRIx ", size = %d\n",
+                  __func__, rw, address, size);
+    env->sregs[EXCVADDR] = address;
+    env->sregs[EXCCAUSE] = rw ? STORE_PROHIBITED_CAUSE : LOAD_PROHIBITED_CAUSE;
+    cs->exception_index = EXC_USER;
+    return 1;
+}
+
+#else
+
 static void reset_tlb_mmu_all_ways(CPUXtensaState *env,
         const xtensa_tlb *tlb, xtensa_tlb_entry entry[][MAX_TLB_WAY_SIZE])
 {
@@ -769,3 +799,4 @@ void xtensa_runstall(CPUXtensaState *env, bool runstall)
         cpu_reset_interrupt(cpu, CPU_INTERRUPT_HALT);
     }
 }
+#endif