X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FRtsAPI.c;h=0748871ca701b8580d9eebe193e8be41449e3f56;hb=1a77fd719aef44c2f91a25ddf312c70651bce1f1;hp=d0bdead1c9b36181ada4c01de354e1e4085e1a35;hpb=5cbe7adb6051a9d1738dfb5735c8c923b74c5945;p=ghc-hetmet.git

diff --git a/rts/RtsAPI.c b/rts/RtsAPI.c
index d0bdead..0748871 100644
--- a/rts/RtsAPI.c
+++ b/rts/RtsAPI.c
@@ -74,6 +74,31 @@ rts_mkInt32 (Capability *cap, HsInt32 i)
   return p;
 }
 
+
+#ifdef sparc_HOST_ARCH
+/* The closures returned by allocateLocal are only guaranteed to be 32 bit
+   aligned, because that's the size of pointers. SPARC v9 can't do
+   misaligned loads/stores, so we have to write the 64bit word in chunks         */
+
+HaskellObj
+rts_mkInt64 (Capability *cap, HsInt64 i_)
+{
+  StgInt64 i   = (StgInt64)i_;
+  StgInt32 *tmp;
+
+  StgClosure *p = (StgClosure *)allocateLocal(cap,CONSTR_sizeW(0,2));
+  SET_HDR(p, I64zh_con_info, CCS_SYSTEM);
+
+  tmp    = (StgInt32*)&(p->payload[0]);
+
+  tmp[0] = (StgInt32)((StgInt64)i >> 32);
+  tmp[1] = (StgInt32)i;		/* truncate high 32 bits */
+
+  return p;
+}
+
+#else
+
 HaskellObj
 rts_mkInt64 (Capability *cap, HsInt64 i)
 {
@@ -85,6 +110,9 @@ rts_mkInt64 (Capability *cap, HsInt64 i)
   return p;
 }
 
+#endif /* sparc_HOST_ARCH */
+
+
 HaskellObj
 rts_mkWord (Capability *cap, HsWord i)
 {
@@ -124,6 +152,31 @@ rts_mkWord32 (Capability *cap, HsWord32 w)
   return p;
 }
 
+
+#ifdef sparc_HOST_ARCH
+/* The closures returned by allocateLocal are only guaranteed to be 32 bit
+   aligned, because that's the size of pointers. SPARC v9 can't do
+   misaligned loads/stores, so we have to write the 64bit word in chunks         */
+
+HaskellObj
+rts_mkWord64 (Capability *cap, HsWord64 w_)
+{
+  StgWord64 w = (StgWord64)w_;
+  StgWord32 *tmp;
+
+  StgClosure *p = (StgClosure *)allocateLocal(cap,CONSTR_sizeW(0,2));
+  /* see mk_Int8 comment */
+  SET_HDR(p, W64zh_con_info, CCS_SYSTEM);
+  
+  tmp    = (StgWord32*)&(p->payload[0]);
+
+  tmp[0] = (StgWord32)((StgWord64)w >> 32);
+  tmp[1] = (StgWord32)w;	/* truncate high 32 bits */
+  return p;
+}
+
+#else
+
 HaskellObj
 rts_mkWord64 (Capability *cap, HsWord64 w)
 {
@@ -137,6 +190,9 @@ rts_mkWord64 (Capability *cap, HsWord64 w)
   return p;
 }
 
+#endif
+
+
 HaskellObj
 rts_mkFloat (Capability *cap, HsFloat f)
 {
@@ -264,6 +320,27 @@ rts_getInt32 (HaskellObj p)
   return (HsInt32)(HsInt)(UNTAG_CLOSURE(p)->payload[0]);
 }
 
+
+#ifdef sparc_HOST_ARCH
+/* The closures returned by allocateLocal are only guaranteed to be 32 bit
+   aligned, because that's the size of pointers. SPARC v9 can't do
+   misaligned loads/stores, so we have to read the 64bit word in chunks         */
+
+HsInt64
+rts_getInt64 (HaskellObj p)
+{
+    HsInt32* tmp;
+    // See comment above:
+    // ASSERT(p->header.info == I64zh_con_info ||
+    //        p->header.info == I64zh_static_info);
+    tmp = (HsInt32*)&(UNTAG_CLOSURE(p)->payload[0]);
+
+    HsInt64 i	= (HsInt64)((HsInt64)(tmp[0]) << 32) | (HsInt64)tmp[1];
+    return i;
+}
+
+#else
+
 HsInt64
 rts_getInt64 (HaskellObj p)
 {
@@ -274,6 +351,10 @@ rts_getInt64 (HaskellObj p)
     tmp = (HsInt64*)&(UNTAG_CLOSURE(p)->payload[0]);
     return *tmp;
 }
+
+#endif /* sparc_HOST_ARCH */
+
+
 HsWord
 rts_getWord (HaskellObj p)
 {
@@ -311,6 +392,26 @@ rts_getWord32 (HaskellObj p)
 }
 
 
+#ifdef sparc_HOST_ARCH
+/* The closures returned by allocateLocal are only guaranteed to be 32 bit
+   aligned, because that's the size of pointers. SPARC v9 can't do
+   misaligned loads/stores, so we have to write the 64bit word in chunks         */
+
+HsWord64
+rts_getWord64 (HaskellObj p)
+{
+    HsInt32* tmp;
+    // See comment above:
+    // ASSERT(p->header.info == I64zh_con_info ||
+    //        p->header.info == I64zh_static_info);
+    tmp = (HsInt32*)&(UNTAG_CLOSURE(p)->payload[0]);
+
+    HsInt64 i	= (HsWord64)((HsWord64)(tmp[0]) << 32) | (HsWord64)tmp[1];
+    return i;
+}
+
+#else
+
 HsWord64
 rts_getWord64 (HaskellObj p)
 {
@@ -322,6 +423,9 @@ rts_getWord64 (HaskellObj p)
     return *tmp;
 }
 
+#endif
+
+
 HsFloat
 rts_getFloat (HaskellObj p)
 {
@@ -393,11 +497,7 @@ StgTSO *
 createGenThread (Capability *cap, nat stack_size,  StgClosure *closure)
 {
   StgTSO *t;
-#if defined(GRAN)
-  t = createThread (cap, stack_size, NO_PRI);
-#else
   t = createThread (cap, stack_size);
-#endif
   pushClosure(t, (W_)closure);
   pushClosure(t, (W_)&stg_enter_info);
   return t;
@@ -407,11 +507,7 @@ StgTSO *
 createIOThread (Capability *cap, nat stack_size,  StgClosure *closure)
 {
   StgTSO *t;
-#if defined(GRAN)
-  t = createThread (cap, stack_size, NO_PRI);
-#else
   t = createThread (cap, stack_size);
-#endif
   pushClosure(t, (W_)&stg_noforceIO_info);
   pushClosure(t, (W_)&stg_ap_v_info);
   pushClosure(t, (W_)closure);
@@ -428,11 +524,7 @@ StgTSO *
 createStrictIOThread(Capability *cap, nat stack_size,  StgClosure *closure)
 {
   StgTSO *t;
-#if defined(GRAN)
-  t = createThread(cap, stack_size, NO_PRI);
-#else
   t = createThread(cap, stack_size);
-#endif
   pushClosure(t, (W_)&stg_forceIO_info);
   pushClosure(t, (W_)&stg_ap_v_info);
   pushClosure(t, (W_)closure);
@@ -560,13 +652,7 @@ rts_lock (void)
     Capability *cap;
     Task *task;
 
-    // ToDo: get rid of this lock in the common case.  We could store
-    // a free Task in thread-local storage, for example.  That would
-    // leave just one lock on the path into the RTS: cap->lock when
-    // acquiring the Capability.
-    ACQUIRE_LOCK(&sched_mutex);
     task = newBoundTask();
-    RELEASE_LOCK(&sched_mutex);
 
     cap = NULL;
     waitForReturnCapability(&cap, task);