Changeset 105 for trunk/hal/x86_64

Timestamp:

Jun 30, 2017, 9:07:32 AM (7 years ago)

Author:

max@…

Message:

add a few atomic functions

Location:

trunk/hal/x86_64/core

Files:

• hal_atomic.c (modified) (5 diffs)
• hal_remote.c (modified) (1 diff)

trunk/hal/x86_64/core/hal_atomic.c

@@ -1 +1 @@
 /*
- * hal_atomic.c - implementation of Generic Atomic Operations API for TSAR-MIPS32
- * 
- * Author  Alain Greiner (2016)
+ * hal_atomic.c - implementation of Generic Atomic Operations API for x86
  *
- * Copyright (c) UPMC Sorbonne Universites
- * 
- * This file is part of ALMOS-MKH..
+ * Copyright (c) 2017 Maxime Villard
  *
- * ALMOS-MKH. is free software; you can redistribute it and/or modify it
+ * This file is part of ALMOS-MKH.
+ *
+ * ALMOS-MKH is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2.0 of the License.
  *
- * ALMOS-MKH. is distributed in the hope that it will be useful, but
+ * ALMOS-MKH is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ -28 +26 @@
                      int32_t    val )
 {
-        x86_panic((char *)__func__);
+        atomic_and_32((volatile uint32_t *)ptr, val);
 }
 
@@ -34 +32 @@
                     int32_t    val )
 {
-        x86_panic((char *)__func__);
+        atomic_or_32((volatile uint32_t *)ptr, val);
 }
 
@@ -40 +38 @@
                          int32_t   val )
 {
-        x86_panic((char *)__func__);
-        return 0;
+        return atomic_add_32((volatile uint32_t *)ptr, val);
 }
 
@@ -48 +45 @@
                        uint32_t   new )
 {
-        x86_panic((char *)__func__);
-        return 0;
+        return (atomic_cas_32((volatile uint32_t *)ptr, old, new) == old);
 }
 

trunk/hal/x86_64/core/hal_remote.c

@@ -1 +1 @@
 /*
- * hal_remote.c - implementation of Generic Remote Access API for TSAR-MIPS32
- * 
- * Authors : Mohammed Karaoui (2015)
- *           Alain Greiner    (2016)
+ * hal_remote.c - implementation of Generic Remote Access API x86
  *
- * Copyright (c) UPMC Sorbonne Universites
- * 
- * This file is part of ALMOS-MKH..
+ * Copyright (c) 2017 Maxime Villard
  *
- * ALMOS-MKH. is free software; you can redistribute it and/or modify it
+ * This file is part of ALMOS-MKH.
+ *
+ * ALMOS-MKH is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by
  * the Free Software Foundation; version 2.0 of the License.
  *
- * ALMOS-MKH. is distributed in the hope that it will be useful, but
+ * ALMOS-MKH is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU