X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fds390%2Fmain.c;h=5698771c6981013b25ac533c37f0eaa9d60819aa;hb=b0676377cb1ae0ffef8495682d34f8aa7a0ccf00;hp=4c340750f40d93ee364c7b4f4d63ab7b561c3f86;hpb=940ddadd79bebcdd9ccf131e03d09de45d088e23;p=fw%2Fsdcc

diff --git a/src/ds390/main.c b/src/ds390/main.c
index 4c340750..5698771c 100644
--- a/src/ds390/main.c
+++ b/src/ds390/main.c
@@ -10,7 +10,8 @@
 #include "gen.h"
 #include "BuildCmd.h"
 #include "MySystem.h"
-
+#include "../SDCCutil.h"
+extern const char *preArgv[128];	/* pre-processor arguments  */
 static char _defaultRules[] =
 {
 #include "peeph.rul"
@@ -49,6 +50,13 @@ static builtins __ds390_builtins[] = {
     { "__builtin_memcpy_x2x","v",3,{"cx*","cx*","i"}}, /* void __builtin_memcpy_x2x (xdata char *,xdata char *,int) */
     { "__builtin_memcpy_c2x","v",3,{"cx*","cp*","i"}}, /* void __builtin_memcpy_c2x (xdata char *,code  char *,int) */
     { "__builtin_memset_x","v",3,{"cx*","c","i"}},     /* void __builtin_memset     (xdata char *,char,int) 	    */
+    /* __builtin_inp - used to read from a memory mapped port, increment first pointer */
+    { "__builtin_inp","v",3,{"cx*","cx*","i"}},        /* void __builtin_inp        (xdata char *,xdata char *,int) */
+    /* __builtin_inp - used to write to a memory mapped port, increment first pointer */
+    { "__builtin_outp","v",3,{"cx*","cx*","i"}},       /* void __builtin_outp       (xdata char *,xdata char *,int) */
+    { "__builtin_swapw","us",1,{"us"}},		       /* unsigned short __builtin_swapw (unsigned short) */
+    { "__builtin_memcmp_x2x","c",3,{"cx*","cx*","i"}}, /* void __builtin_memcmp_x2x (xdata char *,xdata char *,int) */
+    { "__builtin_memcmp_c2x","c",3,{"cx*","cp*","i"}}, /* void __builtin_memcmp_c2x (xdata char *,code  char *,int) */
     { NULL , NULL,0, {NULL}} 			   /* mark end of table */
 };    
 void ds390_assignRegisters (eBBlock ** ebbs, int count);
@@ -70,13 +78,32 @@ _ds390_reset_regparm ()
 static int
 _ds390_regparm (sym_link * l)
 {
-  /* for this processor it is simple
-     can pass only the first parameter in a register */
-  if (regParmFlg)
-    return 0;
 
-  regParmFlg = 1;
-  return 1;
+    if (options.parms_in_bank1 == 0) {
+	/* simple can pass only the first parameter in a register */
+	if (regParmFlg)
+	    return 0;
+
+	regParmFlg = 1;
+	return 1;
+    } else {
+	int size = getSize(l);
+	int remain ;
+
+	/* first one goes the usual way to DPTR */
+	if (regParmFlg == 0) {
+	    regParmFlg += 4 ;
+	    return 1;
+	}
+	/* second one onwards goes to RB1_0 thru RB1_7 */
+        remain = regParmFlg - 4;
+	if (size > (8 - remain)) {
+	    regParmFlg = 12 ;
+	    return 0;
+	}
+	regParmFlg += size ;
+	return regParmFlg - size + 1;	
+    }
 }
 
 static bool
@@ -128,7 +155,7 @@ _ds390_finaliseOptions (void)
     fprintf (stderr,
 	     "*** error: ds390 port only supports the 10 bit stack mode.\n");
     } else {
-	if (!options.stack_loc) options.stack_loc = 0x400007;
+	if (!options.stack_loc) options.stack_loc = 0x400008;
     }
     
     /* generate native code 16*16 mul/div */
@@ -142,6 +169,10 @@ _ds390_finaliseOptions (void)
      */
     istack->fmap = 1;
     istack->ptrType = FPOINTER;
+
+    if (options.parms_in_bank1) {
+	addToList (preArgv, "-DSDCC_PARMS_IN_BANK1");
+    }
   }  /* MODEL_FLAT24 */
 }
 
@@ -180,6 +211,11 @@ _ds390_genAssemblerPreamble (FILE * of)
       fputs ("mc = 0xD5\t\t; mc register unknown to assembler\n", of);
       fputs ("F1 = 0xD1\t\t; F1 user flag unknown to assembler\n", of);
       fputs ("esp = 0x9B\t\t; ESP user flag unknown to assembler\n", of);
+      if (options.parms_in_bank1) {
+	  int i ;
+	  for (i=0; i < 8 ; i++ )
+	      fprintf (of,"b1_%d = 0x%x \n",i,8+i);
+      }
 }
 
 /* Generate interrupt vector table. */
@@ -194,7 +230,7 @@ _ds390_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
       return FALSE;
     }
 
-  fprintf (of, "\tajmp\t__sdcc_gsinit_startup\n");
+  fprintf (of, "\tajmp\t__reset_vect\n");
 
   /* now for the other interrupts */
   for (i = 0; i < maxInterrupts; i++)
@@ -209,6 +245,8 @@ _ds390_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
 	}
     }
 
+  fprintf (of, "__reset_vect:\n\tljmp\t__sdcc_gsinit_startup\n");
+
   return TRUE;
 }
 
@@ -288,6 +326,7 @@ PORT ds390_port =
   TARGET_ID_DS390,
   "ds390",
   "DS80C390",			/* Target name */
+  NULL,
   {
     TRUE,			/* Emit glue around main */
     MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
@@ -344,6 +383,7 @@ PORT ds390_port =
   "_",
   _ds390_init,
   _ds390_parseOptions,
+  NULL,
   _ds390_finaliseOptions,
   _ds390_setDefaultOptions,
   ds390_assignRegisters,
@@ -418,7 +458,7 @@ static void _tininative_finaliseOptions (void)
 	fprintf(stderr,"TININative supports only stack10bit \n");
     }
     
-    if (!options.stack_loc) options.stack_loc = 0x400007;
+    if (!options.stack_loc) options.stack_loc = 0x400008;
     
     /* generate native code 16*16 mul/div */
     if (options.useAccelerator) 
@@ -478,11 +518,11 @@ static void _tininative_do_assemble (const char * const *asmOptions)
     };
     char buffer[100];
 
-    buildCmdLine(buffer,macroCmd,srcFileName,NULL,NULL,NULL);
+    buildCmdLine(buffer,macroCmd,dstFileName,NULL,NULL,NULL);
     if (my_system(buffer)) {
 	exit(1);
     }
-    buildCmdLine(buffer,a390Cmd,srcFileName,NULL,NULL,asmOptions);
+    buildCmdLine(buffer,a390Cmd,dstFileName,NULL,NULL,asmOptions);
     if (my_system(buffer)) {
 	exit(1);
     }    
@@ -571,6 +611,7 @@ PORT tininative_port =
   TARGET_ID_DS390,
   "TININative",
   "DS80C390",			/* Target name */
+	NULL,			/* processor */
   {
     FALSE,			/* Emit glue around main */
     MODEL_FLAT24,
@@ -627,6 +668,7 @@ PORT tininative_port =
   "",
   _tininative_init,
   _ds390_parseOptions,
+  NULL,
   _tininative_finaliseOptions,
   _tininative_setDefaultOptions,
   ds390_assignRegisters,