cris: Break out rand LFSR update into a separate func.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@axis.com>

diff --git a/target-cris/mmu.c b/target-cris/mmu.c
index d09e921..07967dd 100644 (file)
--- a/target-cris/mmu.c
+++ b/target-cris/mmu.c
@@ -55,6 +55,17 @@ static inline unsigned int compute_polynom(unsigned int sr)
        return f;
 }
 
+static void cris_mmu_update_rand_lfsr(CPUState *env)
+{
+       unsigned int f;
+
+       /* Update lfsr at every fault.  */
+       f = compute_polynom(env->mmu_rand_lfsr);
+       env->mmu_rand_lfsr >>= 1;
+       env->mmu_rand_lfsr |= (f << 15);
+       env->mmu_rand_lfsr &= 0xffff;
+}
+
 static inline int cris_mmu_enabled(uint32_t rw_gc_cfg)
 {
        return (rw_gc_cfg & 12) != 0;
@@ -251,14 +262,8 @@ static int cris_mmu_translate_page(struct cris_mmu_result *res,
        }
 
        if (!match) {
-               unsigned int f;
-
-               /* Update lfsr at every fault.  */
-               f = compute_polynom(env->mmu_rand_lfsr);
-               env->mmu_rand_lfsr >>= 1;
-               env->mmu_rand_lfsr |= (f << 15);
-               env->mmu_rand_lfsr &= 0xffff;
-               
+               cris_mmu_update_rand_lfsr(env);
+
                /* Compute index.  */
                idx = vpage & 15;