target-arm: Move setting of exception info into tlb_fill

Move the code which sets exception information out of
arm_cpu_handle_mmu_fault and into tlb_fill. tlb_fill
is the only caller which wants to raise_exception()
so it makes more sense for it to handle the whole of
the exception setup.

As part of this cleanup, move the user-mode-only
implementation function for the handle_mmu_fault CPU
method into cpu.c so we don't need to make it globally
visible, and rename the softmmu-only utility function
arm_cpu_handle_mmu_fault to arm_tlb_fill so it's clear
that it's not the same thing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 3ca3fa8d21..798c689ca6 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -1197,6 +1197,23 @@ static Property arm_cpu_properties[] = {
     DEFINE_PROP_END_OF_LIST()
 };
 
+#ifdef CONFIG_USER_ONLY
+static int arm_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
+                                    int mmu_idx)
+{
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
+
+    env->exception.vaddress = address;
+    if (rw == 2) {
+        cs->exception_index = EXCP_PREFETCH_ABORT;
+    } else {
+        cs->exception_index = EXCP_DATA_ABORT;
+    }
+    return 1;
+}
+#endif
+
 static void arm_cpu_class_init(ObjectClass *oc, void *data)
 {
     ARMCPUClass *acc = ARM_CPU_CLASS(oc);