Changeset b1facba in mainline

Timestamp:

2006-06-08T09:48:51Z (19 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

7674793

Parents:

07d7870

Message:

Uspace synchronous fpu context managing

Location:

libc

Files:

• arch/ia64/include/psthread.h (modified) (2 diffs)
• arch/ia64/src/psthread.S (modified) (2 diffs)
• malloc/malloc.c (modified) (1 diff)

libc/arch/ia64/include/psthread.h

@@ -39 +39 @@
 #include <align.h>
 #include <libarch/stack.h>
+#include <arch/types.h>
 
 /*
@@ -108 +109 @@
          */
         uint64_t pr;
+
+        __r128 f2 __attribute__ ((aligned(16)));
+        __r128 f3;
+        __r128 f4;
+        __r128 f5;
+
+        __r128 f16;
+        __r128 f17;
+        __r128 f18;
+        __r128 f19;
+        __r128 f20;
+        __r128 f21;
+        __r128 f22;
+        __r128 f23;
+        __r128 f24;
+        __r128 f25;
+        __r128 f26;
+        __r128 f27;
+        __r128 f28;
+        __r128 f29;
+        __r128 f30;
+        __r128 f31;
+
 } context_t;
 

libc/arch/ia64/src/psthread.S

@@ -105 +105 @@
          */
         mov loc2 = pr           ;;
-        st8 [in0] = loc2, 8     ;;
-        
+        st8 [in0] = loc2, 16;;          /* Next fpu registers should be spilled to 16B aligned address */
+
+        /*
+         * Save floating-point registers.
+         */
+        stf.spill [in0] = f2, 16 ;;
+        stf.spill [in0] = f3, 16 ;;
+        stf.spill [in0] = f4, 16 ;;
+        stf.spill [in0] = f5, 16 ;;
+
+        stf.spill [in0] = f16, 16 ;;
+        stf.spill [in0] = f17, 16 ;;
+        stf.spill [in0] = f18, 16 ;;
+        stf.spill [in0] = f19, 16 ;;
+        stf.spill [in0] = f20, 16 ;;
+        stf.spill [in0] = f21, 16 ;;
+        stf.spill [in0] = f22, 16 ;;
+        stf.spill [in0] = f23, 16 ;;
+        stf.spill [in0] = f24, 16 ;;
+        stf.spill [in0] = f25, 16 ;;
+        stf.spill [in0] = f26, 16 ;;
+        stf.spill [in0] = f27, 16 ;;
+        stf.spill [in0] = f28, 16 ;;
+        stf.spill [in0] = f29, 16 ;;
+        stf.spill [in0] = f30, 16 ;;
+        stf.spill [in0] = f31, 16 ;;    
+
         mov ar.unat = loc1
         
@@ -188 +213 @@
          * Restore predicate registers
          */
-        ld8 loc2 = [in0], 8     ;;
+        ld8 loc2 = [in0], 16    ;;
         mov pr = loc2, ~0
+
+        /*
+         * Restore floating-point registers.
+         */
+        ldf.fill f2 = [in0], 16 ;;
+        ldf.fill f3 = [in0], 16 ;;
+        ldf.fill f4 = [in0], 16 ;;
+        ldf.fill f5 = [in0], 16 ;;
+
+        ldf.fill f16 = [in0], 16 ;;
+        ldf.fill f17 = [in0], 16 ;;
+        ldf.fill f18 = [in0], 16 ;;
+        ldf.fill f19 = [in0], 16 ;;
+        ldf.fill f20 = [in0], 16 ;;
+        ldf.fill f21 = [in0], 16 ;;
+        ldf.fill f22 = [in0], 16 ;;
+        ldf.fill f23 = [in0], 16 ;;
+        ldf.fill f24 = [in0], 16 ;;
+        ldf.fill f25 = [in0], 16 ;;
+        ldf.fill f26 = [in0], 16 ;;
+        ldf.fill f27 = [in0], 16 ;;
+        ldf.fill f28 = [in0], 16 ;;
+        ldf.fill f29 = [in0], 16 ;;
+        ldf.fill f30 = [in0], 16 ;;
+        ldf.fill f31 = [in0], 16 ;;
         
         mov ar.unat = loc1

libc/malloc/malloc.c

@@ -466 +466 @@
 #define ONLY_MSPACES 0
 #define MSPACES 0
+
+#ifdef MALLOC_ALIGNMENT_16
+#define MALLOC_ALIGNMENT ((size_t)16U)
+#else
 #define MALLOC_ALIGNMENT ((size_t)8U)
+#endif
+
 #define FOOTERS 0
 #define ABORT  abort()