1 files changed, 79 insertions, 0 deletions
diff --git a/sal/osl/unx/asm/interlck_sparc.s b/sal/osl/unx/asm/interlck_sparc.s
new file mode 100644
index 000000000..7b971a50a
--- /dev/null
+++ b/sal/osl/unx/asm/interlck_sparc.s
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+/*
+ * Implements osl_[increment|decrement]InterlockedCount:
+ * sparcv9/sparcv8plus architecture:    use the "cas"  instruction
+ * 
+ * 32 bit mode with v8plus support or 64 bit mode:
+ * sparcv9 mode is implied. Assemble with -xarch=v8plus (32 bit) or
+ * -xarch=v9 (64 bit).
+ * 
+ */
+
+#if !defined(__sparcv8plus) && !defined(__sparcv9) && !defined(__sparc_v9__)
+
+#error LibreOffice requires SPARCv8plus or SPARCv9 CPU with "cas" instruction
+
+#endif
+
+.section   ".text"
+ .global  osl_incrementInterlockedCount
+ .align   8
+
+!   Implements osl_[increment|decrement]InterlockedCount with sparcv9(sparcv8plus) "cas" 
+!   instruction.
+
+osl_incrementInterlockedCount:
+
+1:      ld      [%o0], %o1
+        add     %o1, 1, %o2
+!       allow linux to build for v8
+        .word 0xD5E21009 
+!       cas     [%o0], %o1, %o2
+        cmp     %o1, %o2
+        bne     1b
+        nop                         ! delay slot
+        retl
+        add     %o2, 1, %o0         ! delay slot
+
+ .type  osl_incrementInterlockedCount,#function
+ .size  osl_incrementInterlockedCount,.-osl_incrementInterlockedCount
+
+
+.section   ".text"
+ .global  osl_decrementInterlockedCount
+ .align   8
+
+osl_decrementInterlockedCount:
+
+1:      ld      [%o0], %o1
+        sub     %o1, 1, %o2
+!       allow linux to build for v8
+        .word 0xD5E21009            
+!       cas     [%o0], %o1, %o2
+        cmp     %o1, %o2
+        bne     1b
+        nop                         ! delay slot
+        retl
+        sub     %o2, 1, %o0         ! delay slot
+
+ .type  osl_decrementInterlockedCount,#function
+ .size  osl_decrementInterlockedCount,.-osl_decrementInterlockedCount
+