X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fxa51%2Fmain.c;h=fee631866229a848724a3d8864a377f6ab2bf784;hb=2deb910bd0d831f531395241e3fe0338c2f1ab13;hp=53b54359adb1199e4ff6a724ef4424d4770f34f1;hpb=856b88b89030bb496aaf9e21e39d98e5b48b9869;p=fw%2Fsdcc

diff --git a/src/xa51/main.c b/src/xa51/main.c
index 53b54359..fee63186 100755
--- a/src/xa51/main.c
+++ b/src/xa51/main.c
@@ -42,14 +42,18 @@ static char *_xa51_keywords[] =
   NULL
 };
 
-extern int rewinds;
+/* rewinds declared in asm.c, function printCLine().
+ * Currently commented out.
+ *
+ * extern int rewinds;
+ */
 void   _xa51_genAssemblerEnd (FILE * of)
 {
   //fprintf (stderr, "Did %d rewind%c for c-line in asm comments\n", rewinds,
   //rewinds==1 ? '\0' : 's');
 }
 
-void xa51_assignRegisters (eBBlock ** ebbs, int count);
+void xa51_assignRegisters (ebbIndex *);
 
 static int regParmFlg = 0;	/* determine if we can register a parameter */
 
@@ -60,13 +64,13 @@ _xa51_init (void)
 }
 
 static void
-_xa51_reset_regparm ()
+_xa51_reset_regparm (void)
 {
   regParmFlg = 0;
 }
 
 static int
-_xa51_regparm (sym_link * l)
+_xa51_regparm (sym_link * l, bool reentrant)
 {
   return 0; // for now
   /* for this processor it is simple
@@ -188,6 +192,30 @@ static bool cseCostEstimation (iCode *ic, iCode *pdic)
     return 1;
 }
 
+/* Indicate which extended bit operations this port supports */
+static bool
+hasExtBitOp (int op, int size)
+{
+  if (op == RRC
+      || op == RLC
+      || op == GETHBIT
+     )
+    return TRUE;
+  else
+    return FALSE;
+}
+
+/* Indicate the expense of an access to an output storage class */
+static int
+oclsExpense (struct memmap *oclass)
+{
+  if (IN_FARSPACE(oclass))
+    return 1;
+    
+  return 0;
+}
+
+
 /** $1 is always the basename.
     $2 is always the output file.
     $3 varies
@@ -213,6 +241,7 @@ PORT xa51_port =
   "MCU 80C51XA",       		/* Target name */
   NULL,				/* Processor name */
   {
+    glue,
     FALSE,			/* Emit glue around main */
     MODEL_PAGE0,
     MODEL_PAGE0
@@ -230,7 +259,8 @@ PORT xa51_port =
     _linkCmd,
     NULL,
     NULL,
-    ".rel"
+    ".rel",
+    1
   },
   {
     _defaultRules
@@ -239,12 +269,15 @@ PORT xa51_port =
 	/* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
     1, 2, 2, 4, 2, 2, 3, 1, 4, 4
   },
+  /* tags for generic pointers */
+  { 0x00, 0x40, 0x60, 0x80 },		/* far, near, xstack, code */
   {
     "XSEG    (XDATA)",
     "STACK   (XDATA)",
     "CSEG    (CODE)",
     "DSEG    (DATA)",
     NULL, //"ISEG    (DATA)",
+    NULL, //"PSEG    (PAG,XDATA)",
     "XSEG    (XDATA)",
     "BSEG    (BIT)",
     NULL, //"RSEG    (DATA)",
@@ -254,6 +287,7 @@ PORT xa51_port =
     "HOME    (CODE)",
     "XISEG   (XDATA)", // initialized xdata
     "XINIT   (CODE)", // a code copy of xiseg
+    "CONST   (CODE)",		// const_name - const data (code or not)
     NULL, // default local map
     NULL, // default global map
     1
@@ -271,10 +305,24 @@ PORT xa51_port =
   {
     2, -2
   },
+  {
+    xa51_emitDebuggerSymbol
+  },
+  {
+    255/3,      /* maxCount */
+    3,          /* sizeofElement */
+    /* The rest of these costs are bogus. They approximate */
+    /* the behavior of src/SDCCicode.c 1.207 and earlier.  */
+    {4,4,4},    /* sizeofMatchJump[] */
+    {0,0,0},    /* sizeofRangeCompare[] */
+    0,          /* sizeofSubtract */
+    3,          /* sizeofDispatch */
+  },
   "_",
   _xa51_init,
   _xa51_parseOptions,
   NULL,
+  NULL,
   _xa51_finaliseOptions,
   _xa51_setDefaultOptions,
   xa51_assignRegisters,
@@ -284,12 +332,16 @@ PORT xa51_port =
   _xa51_genAssemblerEnd,
   _xa51_genIVT,
   _xa51_genXINIT,
+  NULL, 			/* genInitStartup */
   _xa51_reset_regparm,
   _xa51_regparm,
   NULL, // process_pragma()
   NULL, // getMangledFunctionName()
   NULL, // hasNativeMulFor()
+  hasExtBitOp,			/* hasExtBitOp */
+  oclsExpense,			/* oclsExpense */
   TRUE, // use_dw_for_init
+  TRUE,				/* little endian */
   0,				/* leave lt */
   0,				/* leave gt */
   1,				/* transform <= to ! > */