xnu-201.42.3.tar.gz

[apple/xnu.git] / osfmk / ppc / machine_routines.c

diff --git a/osfmk/ppc/machine_routines.c b/osfmk/ppc/machine_routines.c
index ad124b42134cf29f13775efbb78e5d22667cd195..7ad3389224454cc08f5fd84a31f8b2106198603c 100644 (file)
--- a/osfmk/ppc/machine_routines.c
+++ b/osfmk/ppc/machine_routines.c
@@ -192,6 +192,16 @@ void ml_cause_interrupt(void)
        CreateFakeIO();
 }
 
+void ml_thread_policy( 
+       thread_t thread,
+       unsigned policy_id,
+       unsigned policy_info)
+{
+       if ((policy_id == MACHINE_GROUP) &&
+           ((per_proc_info[0].pf.Available) & pfSMPcap))
+               thread_bind(thread, master_processor);
+}
+
 void machine_idle(void)
 {
         if (per_proc_info[cpu_number()].interrupts_enabled == TRUE) {
@@ -302,6 +312,50 @@ ml_ppc_get_info(ml_ppc_cpu_info_t *cpu_info)
   }
 }
 
+#define l2em 0x80000000
+#define l3em 0x80000000
+
+extern int real_ncpus;
+
+int
+ml_enable_cache_level(int cache_level, int enable)
+{
+  int old_mode;
+  unsigned long available, ccr;
+  
+  if (real_ncpus != 1) return -1;
+  
+  available = per_proc_info[0].pf.Available;
+  
+  if ((cache_level == 2) && (available & pfL2)) {
+    ccr = per_proc_info[0].pf.l2cr;
+    old_mode = (ccr & l2em) ? TRUE : FALSE;
+    if (old_mode != enable) {
+      if (enable) ccr = per_proc_info[0].pf.l2crOriginal;
+      else ccr = 0;
+      per_proc_info[0].pf.l2cr = ccr;
+      cacheInit();
+    }
+    
+    return old_mode;
+  }
+  
+  if ((cache_level == 3) && (available & pfL3)) {
+    ccr = per_proc_info[0].pf.l3cr;
+    old_mode = (ccr & l3em) ? TRUE : FALSE;
+    if (old_mode != enable) {
+      if (enable) ccr = per_proc_info[0].pf.l3crOriginal;
+      else ccr = 0;
+      per_proc_info[0].pf.l3cr = ccr;
+      cacheInit();
+    }
+    
+    return old_mode;
+  }
+  
+  return -1;
+}
+
 void
 init_ast_check(processor_t processor)
 {}