X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2FSDCCglue.c;h=199a7c06594809094ea04fea22bd10ae527f3e39;hb=5156ec0bb15ef639c2aa78f616a05e3ab0435813;hp=c4acdfe5e96c3322465e7c106d989cc653095cbc;hpb=386cee8465119215de67a9e2c767818d4a923578;p=fw%2Fsdcc

diff --git a/src/SDCCglue.c b/src/SDCCglue.c
index c4acdfe5..199a7c06 100644
--- a/src/SDCCglue.c
+++ b/src/SDCCglue.c
@@ -39,10 +39,9 @@ symbol *interrupts[INTNO_MAX+1];
 
 void printIval (symbol *, sym_link *, initList *, FILE *);
 set *publics = NULL;            /* public variables */
-set *externs = NULL;            /* Varibles that are declared as extern */
+set *externs = NULL;            /* Variables that are declared as extern */
 
-/* TODO: this should be configurable (DS803C90 uses more than 6) */
-unsigned maxInterrupts = 6;
+unsigned maxInterrupts = 0;
 int allocInfo = 1;
 symbol *mainf;
 set *pipeSet = NULL;            /* set of pipes */
@@ -321,7 +320,7 @@ emitRegularMap (memmap * map, bool addPublics, bool arFlag)
                       sym->name);
             }
             ival = newNode ('=', newAst_VALUE (symbolVal (sym)),
-                            decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_CHECK));
+                            decorateType (resolveSymbols (list2expr (sym->ival)), RESULT_TYPE_NONE));
           }
           codeOutFile = statsg->oFile;
 
@@ -825,7 +824,7 @@ printIvalArray (symbol * sym, sym_link * type, initList * ilist,
                 FILE * oFile)
 {
   initList *iloop;
-  int size = 0;
+  unsigned int size = 0;
 
   if (ilist) {
     /* take care of the special   case  */
@@ -1320,7 +1319,8 @@ emitMaps (void)
      data, idata & bit & xdata */
   emitRegularMap (data, TRUE, TRUE);
   emitRegularMap (idata, TRUE, TRUE);
-  emitRegularMap (bit, TRUE, FALSE);
+  emitRegularMap (bit, TRUE, TRUE);
+  emitRegularMap (pdata, TRUE, TRUE);
   emitRegularMap (xdata, TRUE, TRUE);
   if (port->genXINIT) {
     emitRegularMap (xidata, TRUE, TRUE);
@@ -1330,6 +1330,9 @@ emitMaps (void)
   emitRegularMap (home, TRUE, FALSE);
   emitRegularMap (code, TRUE, FALSE);
 
+  if (options.const_seg) {
+    tfprintf (code->oFile, "\t!area\n", options.const_seg);
+  }
   emitStaticSeg (statsg, code->oFile);
   if (port->genXINIT) {
     tfprintf (code->oFile, "\t!area\n", xinit->sname);
@@ -1355,7 +1358,6 @@ flushStatics (void)
 void 
 createInterruptVect (FILE * vFile)
 {
-  unsigned i = 0;
   mainf = newSymbol ("main", 0);
   mainf->block = 0;
 
@@ -1376,34 +1378,14 @@ createInterruptVect (FILE * vFile)
       return;
     }
 
-  tfprintf (vFile, "\t!areacode\n", CODE_NAME);
+  tfprintf (vFile, "\t!areacode\n", HOME_NAME);
   fprintf (vFile, "__interrupt_vect:\n");
 
 
   if (!port->genIVT || !(port->genIVT (vFile, interrupts, maxInterrupts)))
     {
-      /* "generic" interrupt table header (if port doesn't specify one).
-       * Look suspiciously like 8051 code to me...
-       */
-
-      fprintf (vFile, "\tljmp\t__sdcc_gsinit_startup\n");
-
-      /* now for the other interrupts */
-      for (; i < maxInterrupts; i++)
-        {
-          if (interrupts[i])
-            {
-              fprintf (vFile, "\tljmp\t%s\n", interrupts[i]->rname);
-              if ( i != maxInterrupts - 1 )
-                fprintf (vFile, "\t.ds\t5\n");
-            }
-          else
-            {
-              fprintf (vFile, "\treti\n");
-              if ( i != maxInterrupts - 1 )
-                fprintf (vFile, "\t.ds\t7\n");
-            }
-        }
+      /* There's no such thing as a "generic" interrupt table header. */
+      wassert(0);
     }
 }
 
@@ -1571,7 +1553,7 @@ emitOverlay (FILE * afile)
 static char *
 spacesToUnderscores (char *dest, const char *src, size_t len)
 {
-  int i;
+  unsigned int i;
   char *p;
 
   assert(dest != NULL);
@@ -1580,7 +1562,7 @@ spacesToUnderscores (char *dest, const char *src, size_t len)
 
   --len;
   for (p = dest, i = 0; *src != '\0' && i < len; ++src, ++i) {
-    *p++ = isspace(*src) ? '_' : *src;
+    *p++ = isspace((unsigned char)*src) ? '_' : *src;
   }
   *p = '\0';
 
@@ -1616,7 +1598,7 @@ glue (void)
     cdbStructBlock (0);
 
   vFile = tempfile ();
-  /* PENDING: this isnt the best place but it will do */
+  /* PENDING: this isn't the best place but it will do */
   if (port->general.glue_up_main)
     {
       /* create the interrupt vector table */
@@ -1712,7 +1694,7 @@ glue (void)
     {
       /* copy the sbit segment */
       fprintf (asmFile, "%s", iComments2);
-      fprintf (asmFile, "; special function bits \n");
+      fprintf (asmFile, "; special function bits\n");
       fprintf (asmFile, "%s", iComments2);
       copyFile (asmFile, sfrbit->oFile);
   
@@ -1720,16 +1702,32 @@ glue (void)
       if(RegBankUsed[0]||RegBankUsed[1]||RegBankUsed[2]||RegBankUsed[3])
       {
          fprintf (asmFile, "%s", iComments2);
-         fprintf (asmFile, "; overlayable register banks \n");
+         fprintf (asmFile, "; overlayable register banks\n");
          fprintf (asmFile, "%s", iComments2);
          if(RegBankUsed[0])
-            fprintf (asmFile, "\t.area REG_BANK_0\t(REL,OVR,DATA)\n\t.ds 8\n");
+           fprintf (asmFile, "\t.area REG_BANK_0\t(REL,OVR,DATA)\n\t.ds 8\n");
          if(RegBankUsed[1]||options.parms_in_bank1)
-            fprintf (asmFile, "\t.area REG_BANK_1\t(REL,OVR,DATA)\n\t.ds 8\n");
+           fprintf (asmFile, "\t.area REG_BANK_1\t(REL,OVR,DATA)\n\t.ds 8\n");
          if(RegBankUsed[2])
-            fprintf (asmFile, "\t.area REG_BANK_2\t(REL,OVR,DATA)\n\t.ds 8\n");
+           fprintf (asmFile, "\t.area REG_BANK_2\t(REL,OVR,DATA)\n\t.ds 8\n");
          if(RegBankUsed[3])
-            fprintf (asmFile, "\t.area REG_BANK_3\t(REL,OVR,DATA)\n\t.ds 8\n");
+           fprintf (asmFile, "\t.area REG_BANK_3\t(REL,OVR,DATA)\n\t.ds 8\n");
+      }
+      if(BitBankUsed)
+      {
+         fprintf (asmFile, "%s", iComments2);
+         fprintf (asmFile, "; overlayable bit register bank\n");
+         fprintf (asmFile, "%s", iComments2);
+         fprintf (asmFile, "\t.area BIT_BANK\t(REL,OVR,DATA)\n");
+         fprintf (asmFile, "bits:\n\t.ds 1\n");
+         fprintf (asmFile, "\tb0 = bits[0]\n");
+         fprintf (asmFile, "\tb1 = bits[1]\n");
+         fprintf (asmFile, "\tb2 = bits[2]\n");
+         fprintf (asmFile, "\tb3 = bits[3]\n");
+         fprintf (asmFile, "\tb4 = bits[4]\n");
+         fprintf (asmFile, "\tb5 = bits[5]\n");
+         fprintf (asmFile, "\tb6 = bits[6]\n");
+         fprintf (asmFile, "\tb7 = bits[7]\n");
       }
     }
 
@@ -1774,18 +1772,26 @@ glue (void)
     copyFile (asmFile, bit->oFile);
   }
 
-  /* if external stack then reserve space of it */
+  /* copy paged external ram data */
+  if (mcs51_like)
+    {
+      fprintf (asmFile, "%s", iComments2);
+      fprintf (asmFile, "; paged external ram data\n");
+      fprintf (asmFile, "%s", iComments2);
+      copyFile (asmFile, pdata->oFile);
+    }
+
+  /* if external stack then reserve space for it */
   if (mainf && IFFUNC_HASBODY(mainf->type) && options.useXstack)
     {
       fprintf (asmFile, "%s", iComments2);
       fprintf (asmFile, "; external stack \n");
       fprintf (asmFile, "%s", iComments2);
-      fprintf (asmFile, "\t.area XSEG (XDATA)\n");      /* MOF */
-      fprintf (asmFile, "\t.ds 256\n");
+      fprintf (asmFile, "\t.area XSTK (PAG,XDATA)\n"
+               "__start__xstack:\n\t.ds\t1\n\n");
     }
 
-
-  /* copy xtern ram data */
+  /* copy external ram data */
   if (mcs51_like) {
     fprintf (asmFile, "%s", iComments2);
     fprintf (asmFile, "; external ram data\n");
@@ -1793,7 +1799,7 @@ glue (void)
     copyFile (asmFile, xdata->oFile);
   }
 
-  /* copy xternal initialized ram data */
+  /* copy external initialized ram data */
   fprintf (asmFile, "%s", iComments2);
   fprintf (asmFile, "; external initialized ram data\n");
   fprintf (asmFile, "%s", iComments2);
@@ -1826,6 +1832,7 @@ glue (void)
    * the post_static_name area will immediately follow the static_name
    * area.
    */
+  tfprintf (asmFile, "\t!area\n", port->mem.home_name);
   tfprintf (asmFile, "\t!area\n", port->mem.static_name);       /* MOF */
   tfprintf (asmFile, "\t!area\n", port->mem.post_static_name);
   tfprintf (asmFile, "\t!area\n", port->mem.static_name);
@@ -1893,15 +1900,10 @@ glue (void)
   tfprintf (asmFile, "\t!areahome\n", HOME_NAME);
   copyFile (asmFile, home->oFile);
 
-  /* copy over code */
-  fprintf (asmFile, "%s", iComments2);
-  fprintf (asmFile, "; code\n");
-  fprintf (asmFile, "%s", iComments2);
-  tfprintf (asmFile, "\t!areacode\n", CODE_NAME);
   if (mainf && IFFUNC_HASBODY(mainf->type))
     {
 
-      /* entry point @ start of CSEG */
+      /* entry point @ start of HOME */
       fprintf (asmFile, "__sdcc_program_startup:\n");
 
       /* put in jump or call to main */
@@ -1917,6 +1919,11 @@ glue (void)
           fprintf (asmFile, "\tsjmp .\n");
         }
     }
+  /* copy over code */
+  fprintf (asmFile, "%s", iComments2);
+  fprintf (asmFile, "; code\n");
+  fprintf (asmFile, "%s", iComments2);
+  tfprintf (asmFile, "\t!areacode\n", options.code_seg);
   copyFile (asmFile, code->oFile);
 
   if (port->genAssemblerEnd) {
@@ -1930,9 +1937,9 @@ glue (void)
 
 /** Creates a temporary file with unique file name
     Scans, in order:
-    - TMP, TEMP, TMPDIR env. varibles
+    - TMP, TEMP, TMPDIR env. variables
     - if Un*x system: /usr/tmp and /tmp
-    - root directory using mkstemp() if avaliable
+    - root directory using mkstemp() if available
     - default location using tempnam()
 */
 static int