X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cpu%2Farm%2Fscripts%2Fsam7s256_rom.ld;h=15776ef1497d51cf6860050c6d01f9a4fc271734;hb=d8dc110fb113323f6def8bd5aeee650072a8a12c;hp=9ab818580e59463a1296e162e253baa307717fc7;hpb=8452be6e5251c44f53b1f520e9f1ce9ac1549f4a;p=bertos.git

diff --git a/cpu/arm/scripts/sam7s256_rom.ld b/cpu/arm/scripts/sam7s256_rom.ld
index 9ab81858..15776ef1 100644
--- a/cpu/arm/scripts/sam7s256_rom.ld
+++ b/cpu/arm/scripts/sam7s256_rom.ld
@@ -38,61 +38,143 @@
  *
  */
 
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \version $Id: sysirq_at91.c 18273 2007-10-11 14:53:02Z batt $
+ *
+ * \author Daniele Basile <asterix@develer.com>
+ *
+ * \brief Script linker for Atmel AT91 SAM7S256 processors.
+ *
+ */
+
 
 ENTRY(ResetHandler)
-STARTUP(crtat91sam7x256_rom.o)  /* DA SOSTITUIRE */
 SEARCH_DIR(.)
 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
 OUTPUT_ARCH(arm)
 
+/*
+ * Define memory configuration for AT91SAM7S
+ */
 MEMORY
 {
   rom(rx) : org = 0x00000000, len = 256k
   ram(rw) : org = 0x00200000, len = 64k
 }
 
+
+/*
+ * Define stack size here
+ */
+FIQ_STACK_SIZE = 0x0100;
+IRQ_STACK_SIZE = 0x0100;
+ABT_STACK_SIZE = 0x0100;
+UND_STACK_SIZE = 0x0100;
+SVC_STACK_SIZE = 0x0400;
+
+/*
+ * Allocate section memory
+ */
 SECTIONS
 {
     .text :
     {
-	    * ( .vectors );
-	    . = ALIGN ( 4 );
-	    * ( .init );
-	    . = ALIGN ( 4 );
-	    * ( .rodata );
-	    . = ALIGN ( 4 );
-	    * ( .rodata* );
-	    . = ALIGN ( 4 );
+	    * (.vectors);
+	    . = ALIGN (4);
+	    * (.init);
+	    . = ALIGN (4);
+	    * (.rodata);
+	    . = ALIGN (4);
+	    * (.rodata*);
+	    . = ALIGN (4);
 	} > rom
 
-	. = ALIGN ( 4 );
-
+	. = ALIGN (4);
 	_etext = .;
-	PROVIDE ( __etext = . );
+	PROVIDE (__etext = .);
 
-	.data : AT ( __etext )
+	.data : AT (__etext)
 	{
-		PROVIDE ( __data_start = . );
-		* ( .data )
-		. = ALIGN ( 4 );
-		* ( .ramfunc )
+		PROVIDE (__data_start = .);
+		* (.data)
+		. = ALIGN (4);
 		_edata = .;
-		PROVIDE ( __data_end = . );
-	}
-	> ram
+		PROVIDE (__data_end = .);
+	} > ram
 
 	.bss :
 	{
-		PROVIDE ( __bss_start = . );
-		* ( .bss )
-		* ( COMMON )
-		. = ALIGN ( 4 );
-		PROVIDE ( __bss_end = . );
-		. += 0x400;
-		PROVIDE ( __exp_stack = . );
-		. += 0x400;
-		PROVIDE ( __stack = . );
-		PROVIDE ( __heap_start = . );
+		PROVIDE (__bss_start = .);
+		*(.bss)
+		*(COMMON)
+		. = ALIGN(4);
+		PROVIDE (__bss_end = .);
 	} > ram
 
+/*
+ * Allocate stack at the end of bss section.
+ * Data heap is allocate at end of stack.
+ */
+	PROVIDE (__stack_start = .);
+
+	PROVIDE (__stack_fiq_start = .);
+	. += FIQ_STACK_SIZE;
+	. = ALIGN(4);
+	PROVIDE (__stack_fiq_end = .);
+
+	PROVIDE (__stack_irq_start = .);
+	. += IRQ_STACK_SIZE;
+	. = ALIGN(4);
+	PROVIDE (__stack_irq_end = .);
+
+	PROVIDE (__stack_abt_start = .);
+	. += ABT_STACK_SIZE;
+	. = ALIGN(4);
+	PROVIDE (__stack_abt_end = .);
+
+	PROVIDE (__stack_und_start = .);
+	. += UND_STACK_SIZE;
+	. = ALIGN(4);
+	PROVIDE (__stack_und_end = .);
+
+	PROVIDE (__stack_svc_start = .);
+	. += SVC_STACK_SIZE;
+	. = ALIGN(4);
+	PROVIDE (__stack_svc_end = .);
+
+	PROVIDE (__stack_end = .);
+
+	PROVIDE (__heap_start = .);
+
 }