Changeset 6a27d63 in mainline for include

Timestamp:

2005-05-11T21:53:09Z (20 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c884ef1

Parents:

6ba143d

Message:

Finished FPU lazy context switching - first version. I have not tested it and there are many things which must be changed when
it runs first time OK.

Location:

include

Files:

• fpu_context.h (modified) (1 diff)
• proc/thread.h (modified) (1 diff)

include/fpu_context.h

@@ -11 +11 @@
 extern void fpu_lazy_context_save(fpu_context_t *);
 extern void fpu_lazy_context_restore(fpu_context_t *);
-
+extern void fpu_init(void);
 
 

include/proc/thread.h

@@ -75 +75 @@
         context_t sleep_timeout_context;
         fpu_context_t saved_fpu_context;                       
+        int fpu_context_exists;                
+        int fpu_context_engaged;               /* Defined only if thread doesn't run. It means that fpu context is in CPU 
+                                                that last time executes this thread. This disables migration */