fix(compile): Temporary change to compile for armv8-r

Author: miguelafsilva5

src/arch/armv8/armv8-r/mpu.c

@@ -182,6 +182,7 @@ static priv_t mpu_as_priv(struct addr_space *as)
 
 bool mpu_map(struct addr_space* as, struct mp_region* mpr, bool locked)
 {
+    UNUSED_ARG(locked);
     size_t size_left = mpr->size;
     bool failed = false;
     struct mp_region reg1 = *mpr;
@@ -562,3 +563,13 @@ void mpu_init(void)
         }
     }
 }
+
+bool mpu_update(struct addr_space* as, struct mp_region* mpr)
+{
+    UNUSED_ARG(as);
+    UNUSED_ARG(mpr);
+    return true;
+}
+
+void mpu_enable(void)
+{}

src/core/mpu/mem.c

@@ -115,7 +115,6 @@ static mpid_t mem_vmpu_allocate_entry(struct addr_space* as)
 static mpid_t mem_vmpu_get_entry_by_addr(struct addr_space* as, vaddr_t addr)
 {
     mpid_t mpid = INVALID_MPID;
-    struct mpe* mpe;
 
     for (mpid_t i = 0; i < VMPU_NUM_ENTRIES; i++) {
         struct mpe* mpe = mem_vmpu_get_entry(as, i);
@@ -449,8 +448,9 @@ void mem_vmpu_coalesce_contiguous(struct addr_space* as, bool broadcast, bool lo
             prev_reg = mem_vmpu_get_entry(as, prev->mpid);
 
             bool contiguous = prev_reg->region.base + prev_reg->region.size == cur_reg->region.base;
-            bool perms_compatible =
-                mpu_perms_compatible(prev_reg->region.mem_flags.raw, cur_reg->region.mem_flags.raw);
+            bool perms_compatible = true;
+                //LINE COMMENTED TO COMPILE BEFORE ARMV8-R REWORK
+                //mpu_perms_compatible(prev_reg->region.mem_flags.raw, cur_reg->region.mem_flags.raw);
             bool lock_compatible = prev_reg->lock == cur_reg->lock;
             if (contiguous && perms_compatible && lock_compatible) {
                 cur_mpid = cur->mpid;