Fixed memory map for tcrest BSP

c/src/lib/libbsp/patmos/tcrest/include/bsp.h

@@ -29,8 +29,8 @@ extern "C" {
  *  Information placed in the linkcmds file.
  */
 
-#define RAM_START 0x00020000
-#define RAM_SIZE 1536K
+#define RAM_START 0x400
+#define RAM_SIZE 768K
 #define RAM_END RAM_START + RAM_SIZE
 
 #define PROM_START 0x00000000

c/src/lib/libbsp/patmos/tcrest/include/tcrest.h

@@ -26,8 +26,8 @@ extern "C" {
  * TODO: replace these by linker symbols
  */
 
-#define _shadow_stack_base 0x00200000
-#define _stack_cache_base 0x001f0000
+#define _shadow_stack_base 0x00100000
+#define _stack_cache_base 0x000f0000
 
 #ifndef ASM
 

c/src/lib/libbsp/patmos/tcrest/startup/linkcmds

@@ -8,18 +8,18 @@
 _PROM_SIZE = 0K;
 _PROM_START = 0x00000000;
 
-_RAM_SIZE = 1536K;
-_RAM_START = 0x00020000;
+_RAM_SIZE = 768K;
+_RAM_START = 0x400;
 
 /* these are the maximum values */
 
-RamBase = 0x00020000;
-RamSize = 1536K;
+RamBase = 0x400;
+RamSize = 768K;
 
 MEMORY
 {
   rom     : ORIGIN = 0x00000000, LENGTH = 0K
-  ram     : ORIGIN = 0x00020000, LENGTH = 1536K
+  ram     : ORIGIN = 0x400, LENGTH = 768K
 }
 
 OUTPUT_ARCH(patmos)
@@ -29,21 +29,16 @@ __DYNAMIC  =  0;
 /*
  * The memory map looks like this:
  * +--------------------+ <- low memory
- * | .text  	ROM		|
- * |        _text_start |    |
- * +--------------------+
  * | .data      RAM     | initialized data goes here
- * |        _sdata      |
+ * |        _data_start |
  * |        _edata      |
  * +--------------------+
  * | .bss       RAM     |
  * |        __bss_start | start of bss, cleared by crt0
  * |        _end        | start of heap, used by sbrk()
  * +--------------------+
- * |    heap space      |
- * |        _ENDHEAP    |
- * |    stack space     | 
- * |        __stack     | top of stack
+ * | .text  	RAM		|
+ * |        _text_start |
  * +--------------------+ <- high memory
  */
 
@@ -68,23 +63,16 @@ RAM_END = _RAM_END;
  */
 SECTIONS
 {
-   .text 0x00020000 :
-	{
-	text_start = . ;
-	_text_start = . ;
-        *(.text)
-	. = ALIGN (0x10);
-
-        }
-        .data :
+ .data 0x400 :
 	{
 	data_start = . ;
 	_data_start = . ;
         *(.data)
 	_edata = ALIGN( 0x10 ) ;
-        }
-        .bss :
-        {
+    }
+        
+ .bss :
+    {
 	bss_start = . ;
 	_bss_start = . ;
 	*(.bss)
@@ -94,5 +82,12 @@ SECTIONS
 	_end = . ;
 	__end = . ;	
 	}
-        
+	
+   .text 0x00020000 :
+	{
+	text_start = . ;
+	_text_start = . ;
+        *(.text)
+	. = ALIGN (0x10);
+     }               
 }