First pass at DS80C390 flat mode support

[fw/sdcc] / src / SDCCglue.c

diff --git a/src/SDCCglue.c b/src/SDCCglue.c
index 22db18f9080f7104ded458951d28190f6eab27f9..131a958fb176ae8a76f249a9e053c853a6b212e4 100644 (file)
--- a/src/SDCCglue.c
+++ b/src/SDCCglue.c
@@ -30,6 +30,8 @@ symbol *interrupts[256];
 void printIval (symbol *, link *, initList *, FILE *);
 extern int noAlloc;
 set *publics = NULL;           /* public variables */
+
+/* TODO: this should be configurable (DS803C90 uses more than 6) */
 int maxInterrupts = 6;
 extern int maxRegBank ;
 symbol *mainf;
@@ -719,16 +721,25 @@ void createInterruptVect (FILE * vFile)
     
     fprintf (vFile, "\t.area\t%s\n", CODE_NAME);
     fprintf (vFile, "__interrupt_vect:\n");
+
     
-    fprintf (vFile, "\tljmp\t__sdcc_gsinit_startup\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\t.ds\t5\n", interrupts[i]->rname);
-       else
-           fprintf (vFile, "\treti\n\t.ds\t7\n");
+    
+       /* now for the other interrupts */
+       for (; i < maxInterrupts; i++) {
+               if (interrupts[i])
+                       fprintf (vFile, "\tljmp\t%s\n\t.ds\t5\n", interrupts[i]->rname);
+               else
+                       fprintf (vFile, "\treti\n\t.ds\t7\n");
+       }
     }
 }
 
@@ -902,6 +913,12 @@ void glue ()
     /* print module name */
     fprintf (asmFile, "\t.module %s\n", moduleName);
     
+    /* Let the port generate any global directives, etc. */
+    if (port->genAssemblerPreamble)
+    {
+       port->genAssemblerPreamble(asmFile);
+    }
+    
     /* print the global variables in this module */
     printPublics (asmFile);