added seperate segments for initialized data

[fw/sdcc] / src / ds390 / main.c

diff --git a/src/ds390/main.c b/src/ds390/main.c
index 0cefd4b725a1c64cb12d768055fe615ee4f2e6cf..03e681846618b678a006bdc643a0f5ae9cf22d80 100644 (file)
--- a/src/ds390/main.c
+++ b/src/ds390/main.c
@@ -43,7 +43,12 @@ static char *_ds390_keywords[] =
   NULL
 };
 
-
+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)        */
+    { NULL , NULL,0, {NULL}}                      /* mark end of table */
+};    
 void ds390_assignRegisters (eBBlock ** ebbs, int count);
 
 static int regParmFlg = 0;     /* determine if we can register a parameter */
@@ -120,6 +125,8 @@ _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;
     }
     
     /* generate native code 16*16 mul/div */
@@ -169,7 +176,7 @@ _ds390_genAssemblerPreamble (FILE * of)
       fputs ("mb = 0xD4\t\t; mb register unknown to assembler\n", 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);
+      fputs ("esp = 0x9B\t\t; ESP user flag unknown to assembler\n", of);
 }
 
 /* Generate interrupt vector table. */
@@ -284,10 +291,12 @@ PORT ds390_port =
     "XSEG    (XDATA)",
     "BSEG    (BIT)",
     "RSEG    (DATA)",
-    "GSINIT  (CODE)",
+    /* "GSINIT  (CODE)", */ "CSEG    (CODE)",
     "OSEG    (OVR,DATA)",
     "GSFINAL (CODE)",
-    "HOME       (CODE)",
+    "HOME    (CODE)",
+    NULL, // xidata
+    NULL, // xinit
     NULL,
     NULL,
     1
@@ -309,6 +318,7 @@ PORT ds390_port =
   _ds390_keywords,
   _ds390_genAssemblerPreamble,
   _ds390_genIVT,
+  NULL, // _ds390_genXINIT
   _ds390_reset_regparm,
   _ds390_regparm,
   NULL,
@@ -323,5 +333,6 @@ PORT ds390_port =
   0,                           /* leave == */
   TRUE,                         /* we support array initializers. */
   cseCostEstimation,
+  __ds390_builtins,             /* table of builtin functions */
   PORT_MAGIC
 };