- choose debugger for app (rom, mips or gdb)

- removed dcache_iv_at workaround
- constify
- testbench denano enable LEDs


git-svn-id: http://moon:8086/svn/mips@126 a8ebac50-d88d-4704-bea3-6648445a41b3

src/libsys/boards/denano/board.c

@@ -12,17 +12,29 @@
 #include "../../regdef.h"
 
 extern uart_if_t uart_if[];
-extern void handle_exception (unsigned long *registers);
 
-int gdb_stub(struct xcptcontext * xcp)
+#ifdef WITH_GDB_STUB
+extern void handle_exception (unsigned long *registers);
+#else
+extern int dbg_handler(struct xcptcontext * xcp);
+#endif
+
+int dbg_stub(struct xcptcontext * xcp) __attribute__ ((section (".dbg_stub"))) __attribute__ ((used));
+int dbg_stub(struct xcptcontext * xcp)
 {
+#ifdef WITH_GDB_STUB
 	handle_exception((unsigned long *)xcp);
 	return 0;
+#else
+	return dbg_handler(xcp);
+#endif
+	
 }
-#ifdef WITH_ROM_GDBSTUB
+
+#ifdef WITH_ROM_DEBUGGER
 const fp_xcpt_t dbg_func = (fp_xcpt_t)0xbfc01fc0;
 #else
-const fp_xcpt_t dbg_func = (fp_xcpt_t)gdb_stub;
+const fp_xcpt_t dbg_func = (fp_xcpt_t)dbg_stub;
 #endif
 
 #define ARRAYSIZE(a)	(sizeof(a)/sizeof(a[0]))