re-enabled MMU

BaS_GNU/BaS_GNU/Makefile

@@ -10,7 +10,7 @@
 
 # can be either "Y" or "N" (without quotes). "Y" for using the m68k-elf-, "N" for using the m68k-atari-mint
 # toolchain
-COMPILE_ELF=N
+COMPILE_ELF=Y
 
 ifeq (Y,$(COMPILE_ELF))
 TCPREFIX=m68k-elf-

BaS_GNU/BaS_GNU/mcf5474.gdb

@@ -1,16 +1,16 @@
 #
-# GDB Init script for the Coldfire 5206 processor.
-#
-# The main purpose of this script is to configure the 
-# DRAM controller so code can be loaded.
-#
+# GDB Init script for the Coldfire 5474 processor (firebee).
 #
 
 define addresses
 set $vbr   = 0x00000000
+monitor bdm-ctl-set 0x0801 0x00000000 
 set $mbar  = 0xFF000000
+monitor bdm-ctl-set 0x0C0F 0xFF000000
 set $rambar0 = 0xFF100000
+monitor bdm-ctl-set 0x0C04 0xFF100007
 set $rambar1 = 0xFF101000
+monitor bdm-ctl-set 0x0C05 0xFF101001
 end
 
 #

BaS_GNU/BaS_GNU/sources/BaS.c

@@ -111,7 +111,7 @@ void BaS(void)
 	MCF_INTC_IMRL = 0xffffff00;			/* int 1-7 on */
 	MCF_INTC_IMRH = 0xbffffffe;			/* psc3 and timer 0 int on */
 
-	//MCF_MMU_MMUCR = MCF_MMU_MMUCR_EN;	/* MMU on */
+	MCF_MMU_MMUCR = MCF_MMU_MMUCR_EN;	/* MMU on */
 	xprintf("finished\r\n");
 
 	xprintf("IDE reset: ");

BaS_GNU/BaS_GNU/sources/exceptions.S

@@ -1,3 +1,4 @@
+#define cf_stack
 /*
  * initialize exception vectors
  */
@@ -133,7 +134,7 @@
 		subq.l	#8,a7
 		movem.l	d0/a5,(a7)			// register sichern
 		lea		MCF_EPORT_EPFR,a5
-		move.b	#clr_int,(a5)		// clear int pending
+		move.b	#\clr_int,(a5)		// clear int pending
 // test auf protect mode ---------------------
 		move.b	DIP_SWITCHa,d0
 		btst	#7,d0 
@@ -142,7 +143,7 @@
 		movem.l	(a7),d0/a5			// register zur<EFBFBD>ck
 		addq.l	#8,a7
 		move.l	\vector,-(a7)
-		move	#0x2200,sr
+		move	#0x2\200,sr
 		rts
 irq_protect:
 		move.l	usp,a5				// usp holen  
@@ -173,7 +174,7 @@ sev_supint:
 #endif
 irq_end:
 		move.l	a5,usp				// usp setzen
-		lea		vector,a5
+		lea		\vector,a5
 		adda.l	_rt_vbr,a5
 		move.l	(a5),12(a7)			// vectoradresse eintragen
 		move.b	#\int_mask,10(a7)	// intmaske setzen