[project @ 2001-07-31 18:30:22 by qrczak]

[ghc-hetmet.git] / ghc / includes / Constants.h

diff --git a/ghc/includes/Constants.h b/ghc/includes/Constants.h
index bf7c83e..819d378 100644 (file)
--- a/ghc/includes/Constants.h
+++ b/ghc/includes/Constants.h
@@ -1,5 +1,5 @@
 /* ----------------------------------------------------------------------------
- * $Id: Constants.h,v 1.7 1999/10/27 09:58:36 simonmar Exp $
+ * $Id: Constants.h,v 1.16 2001/07/31 18:30:22 qrczak Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -18,14 +18,17 @@
    Header Sizes
 
    NOTE: keep these in line with the real definitions in Closures.h
+   HWL: checked GRAN_HDR_SIZE; ok
    -------------------------------------------------------------------------- */
 
 #define STD_HDR_SIZE   1
 #define PROF_HDR_SIZE  1
 #define GRAN_HDR_SIZE  1
+#define PAR_HDR_SIZE   0
 #define TICKY_HDR_SIZE 0
 
-#define ARR_HDR_SIZE   1
+#define ARR_WORDS_HDR_SIZE  1
+#define ARR_PTRS_HDR_SIZE   2
 
 /* -----------------------------------------------------------------------------
    Info Table sizes
@@ -36,11 +39,13 @@
    NOTE: keep these in line with the real definitions in InfoTables.h
 
    NOTE: the PROF, and GRAN values are *wrong*  (ToDo)
+   HWL: checked GRAN_ITBL_SIZE; ok
    -------------------------------------------------------------------------- */
 
 #define STD_ITBL_SIZE   3
 #define PROF_ITBL_SIZE  1
 #define GRAN_ITBL_SIZE  1
+#define PAR_ITBL_SIZE   0
 #define TICKY_ITBL_SIZE 0
 
 /* -----------------------------------------------------------------------------
@@ -98,9 +103,13 @@
 
 /* -----------------------------------------------------------------------------
    Update Frame Layout
+   GranSim uses an additional word as bitmask in the update frame; actually,
+   not really necessary, but uses standard closure layout that way
+   NB: UF_RET etc are *wrong* in a GranSim setup; should be increased by 1 
+       if compiling for GranSim (currently not used in compiler) -- HWL
    -------------------------------------------------------------------------- */
-
 #define NOSCC_UF_SIZE  3
+#define GRAN_UF_SIZE   4
 #define SCC_UF_SIZE    4
 
 #define UF_RET         0
@@ -112,9 +121,11 @@
    SEQ frame size
 
    I don't think seq frames really need sccs --SDM
+   They don't need a GranSim bitmask either, but who cares anyway -- HWL
    -------------------------------------------------------------------------- */
 
 #define NOSCC_SEQ_FRAME_SIZE 2
+#define GRAN_SEQ_FRAME_SIZE  3
 #define SCC_SEQ_FRAME_SIZE   3
 
 /* -----------------------------------------------------------------------------
@@ -147,15 +158,25 @@
 #define INT64_SIZE     2
 #endif
 
+
+/*---- The size of StgWord, in bytes. */
+#define WORD_SIZE       SIZEOF_VOID_P
+
 /*---- Maximum number of constructors in a data type for direct-returns.  */
 
 #define MAX_VECTORED_RTN 8
 
-/*---- Range of built-in table of static small int-like closures. */
+/*---- Range of built-in table of static small int-like and char-like closures. */
 
-#define MAX_INTLIKE            (16)
+#define MAX_INTLIKE            16
 #define MIN_INTLIKE            (-16)
 
+#define MAX_CHARLIKE           255
+#define MIN_CHARLIKE           0
+
+/* You can change these constants (I hope) but be sure to modify
+   rts/StgMiscClosures.hs accordingly. */
+
 /*---- Minimum number of words left in heap after GC to carry on */
 
 #define HEAP_HWM_WORDS 1024
@@ -179,18 +200,11 @@
 #define INFO_FIRST_TAG         0
 
 /* -----------------------------------------------------------------------------
-   Context switch timing constants.
-   -------------------------------------------------------------------------- */
-
-#define CS_MAX_FREQUENCY 100              /* context switches per second */
-#define CS_MIN_MILLISECS (1000/CS_MAX_FREQUENCY)/* milliseconds per slice */
- 
-/* -----------------------------------------------------------------------------
    How much C stack to reserve for local temporaries when in the STG
    world.  Used in StgRun.S and StgCRun.c.
    -------------------------------------------------------------------------- */
 
-#define RESERVED_C_STACK_BYTES (512 * SIZEOF_LONG)
+#define RESERVED_C_STACK_BYTES (2048 * SIZEOF_LONG)
 
 /* -----------------------------------------------------------------------------
    How much Haskell stack space to reserve for the saving of registers