xnu-4903.270.47.tar.gz

[apple/xnu.git] / osfmk / arm64 / pcb.c

diff --git a/osfmk/arm64/pcb.c b/osfmk/arm64/pcb.c
index d8809b38f2ce4e75e7a4d403a7afd3cf465b22ed..5904e612ffc4f938f234a2fe50395327bf74ed36 100644 (file)
--- a/osfmk/arm64/pcb.c
+++ b/osfmk/arm64/pcb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2007-2019 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -118,6 +118,10 @@ machine_switch_context(
 
        new->machine.CpuDatap = cpu_data_ptr;
 
+       /* TODO: Should this be ordered? */
+       old->machine.machine_thread_flags &= ~MACHINE_THREAD_FLAGS_ON_CPU;
+       new->machine.machine_thread_flags |= MACHINE_THREAD_FLAGS_ON_CPU;
+
        machine_switch_context_kprintf("old= %x contination = %x new = %x\n", old, continuation, new);
 
        retval = Switch_context(old, continuation, new);
@@ -345,6 +349,11 @@ machine_stack_handoff(
                pmap_switch(new_pmap);
 
        new->machine.CpuDatap = cpu_data_ptr;
+
+       /* TODO: Should this be ordered? */
+       old->machine.machine_thread_flags &= ~MACHINE_THREAD_FLAGS_ON_CPU;
+       new->machine.machine_thread_flags |= MACHINE_THREAD_FLAGS_ON_CPU;
+
        machine_set_current_thread(new);
        thread_initialize_kernel_state(new);
 
@@ -887,3 +896,14 @@ machine_thread_set_tsd_base(
 
        return KERN_SUCCESS;
 }
+
+void
+machine_tecs(__unused thread_t thr)
+{
+}
+
+int
+machine_csv(__unused cpuvn_e cve)
+{
+       return 0;
+}