2008-09-15 Joel Sherrill <joel.sherrill@oarcorp.com>

* Makefile.am, configure.ac, include/bsp.h, include/bspopts.h.in,
	startup/bspstart.c: Add use of bsp_get_work_area() in its own file
	and rely on BSP Framework to perform more initialization.

c/src/lib/libbsp/powerpc/mvme3100/ChangeLog

@@ -1,3 +1,9 @@
+2008-09-15	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* Makefile.am, configure.ac, include/bsp.h, include/bspopts.h.in,
+	startup/bspstart.c: Add use of bsp_get_work_area() in its own file
+	and rely on BSP Framework to perform more initialization.
+
 2008-09-10	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* startup/bspstart.c: Review of all bsp_cleanup() implementations. In

c/src/lib/libbsp/powerpc/mvme3100/Makefile.am

@@ -57,7 +57,7 @@ build_date.c::
 	echo 'const char *BSP_build_date="'`date`'";' > $@
 
 startup_SOURCES = startup/bspstart.c build_date.c \
-    startup/misc.c \
+    startup/misc.c ../../powerpc/shared/startup/bspgetworkarea.c \
     ../../powerpc/shared/startup/pretaskinghook.c \
     ../../powerpc/shared/startup/zerobss.c \
     ../../powerpc/shared/startup/sbrk.c ../../shared/bootcard.c \

c/src/lib/libbsp/powerpc/mvme3100/configure.ac

@@ -35,6 +35,8 @@ RTEMS_BSPOPTS_HELP([PPC_USE_DATA_CACHE],
  of PowerPC 603e revisions and emulator versions.
  The BSP actually contains the call that enables this.])
 
+RTEMS_BSP_BOOTCARD_HANDLES_RAM_ALLOCATION
+
 # Explicitly list all Makefiles here
 AC_CONFIG_FILES([Makefile])
 

c/src/lib/libbsp/powerpc/mvme3100/include/bsp.h

@@ -28,6 +28,7 @@
  *   - Interrupt stack space is not minimum if defined.
  */
 #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2
+#define CONFIGURE_MALLOC_BSP_SUPPORTS_SBRK
  
 #define BSP_INTERRUPT_STACK_SIZE          (16 * 1024)
 
@@ -275,10 +276,6 @@ BSP_clrLEDs(uint8_t mask);
  * Total memory using RESIDUAL DATA
  */
 extern unsigned int BSP_mem_size;
-/*
- * Start of the heap
- */
-extern unsigned int BSP_heap_start;
 /*
  * PCI Bus Frequency
  */
@@ -327,6 +324,11 @@ rtems_tsec_attach(struct rtems_bsdnet_ifconfig *ifcfg, int attaching);
 #define RTEMS_BSP_NETWORK_DRIVER_NAME   "tse1"
 #define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_tsec_attach
 
+/*
+ * system init stack and soft ir stack size
+ */
+#define BSP_INIT_STACK_SIZE 0x1000
+
 #ifdef __cplusplus
 }
 #endif

c/src/lib/libbsp/powerpc/mvme3100/include/bspopts.h.in

@@ -1,5 +1,13 @@
 /* include/bspopts.h.in.  Generated from configure.ac by autoheader.  */
 
+/* BSP uses shared logic in bootcard.c */
+#undef BSP_BOOTCARD_HANDLES_RAM_ALLOCATION
+
+/* If defined, then PSIM will put a non-zero pattern into the RTEMS Workspace
+   and C program heap. This should assist in finding code that assumes memory
+   starts set to zero. */
+#undef BSP_DIRTY_MEMORY
+
 /* Define to the address where bug reports for this package should be sent. */
 #undef PACKAGE_BUGREPORT
 

c/src/lib/libbsp/powerpc/mvme3100/startup/bspstart.c

@@ -70,10 +70,6 @@ uint32_t bsp_clicks_per_usec         = 0;
  * Total memory using RESIDUAL DATA
  */
 unsigned int BSP_mem_size            = 0;
-/*
- * Where the heap starts; is used by bsp_pretasking_hook;
- */
-unsigned int BSP_heap_start          = 0;
 /* 
  * PCI Bus Frequency
  */
@@ -110,11 +106,6 @@ int i;
 	printk("\n");
 }
 
-/*
- * system init stack and soft ir stack size
- */
-#define INIT_STACK_SIZE 0x1000
-#define INTR_STACK_SIZE rtems_configuration_get_interrupt_stack_size()
 
 BSP_output_char_function_type BSP_output_char = BSP_output_char_via_serial;
 
@@ -238,7 +229,6 @@ void bsp_start( void )
 unsigned char       *stack;
 uint32_t            intrStackStart;
 uint32_t            intrStackSize;
-unsigned char       *work_space_start;
 char                *chpt;
 ppc_cpu_id_t        myCpu;
 ppc_cpu_revision_t  myCpuRevision;
@@ -286,9 +276,8 @@ VpdBufRec          vpdData [] = {
 	/*
 	 * Initialize the interrupt related settings.
 	 */
-	intrStackStart = (uint32_t) __rtems_end + INIT_STACK_SIZE;
+	intrStackStart = (uint32_t) __rtems_end + BSP_INIT_STACK_SIZE;
-	intrStackSize = INTR_STACK_SIZE;
+	intrStackSize = rtems_configuration_get_interrupt_stack_size();
-	BSP_heap_start = intrStackStart + intrStackSize;
 
 	/*
 	 * Initialize default raw exception handlers.
@@ -433,29 +422,7 @@ VpdBufRec          vpdData [] = {
 	 */
 	_BSP_clear_hostbridge_errors(0 /* enableMCP */, 0/*quiet*/);
 
-	/*
+	bsp_clicks_per_usec = BSP_bus_frequency/(BSP_time_base_divisor * 1000);
-	 * Set up our hooks
-	 * Make sure libc_init is done before drivers initialized so that
-	 * they can use atexit()
-	 */
-
-	bsp_clicks_per_usec            = BSP_bus_frequency/(BSP_time_base_divisor * 1000);
-
-#ifdef SHOW_MORE_INIT_SETTINGS
-	printk("Configuration.work_space_size = %x\n",
-			Configuration.work_space_size);
-#endif
-
-	work_space_start =
-		(unsigned char *)BSP_mem_size - Configuration.work_space_size;
-
-	if ( work_space_start <=
-			((unsigned char *)__rtems_end) + INIT_STACK_SIZE + INTR_STACK_SIZE) {
-		printk( "bspstart: Not enough RAM!!!\n" );
-		bsp_cleanup();
-	}
-
-	Configuration.work_space_start = work_space_start;
 
 	/*
 	 * Initalize RTEMS IRQ system