add flash_dfu linker script for sam7s128 (copy of 256 with half the flash)

at91lib/boards/simtrace/at91sam7s128/flash_dfu.lds

@@ -0,0 +1,79 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/*------------------------------------------------------------------------------
+ *    Linker script for running in DFU Flash partion the AT91SAM7S256.
+ *----------------------------------------------------------------------------*/
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(entry)
+
+MEMORY
+{
+    /* adjusted for DFU partition */
+    sram (W!RX) : ORIGIN = 0x200028, LENGTH = (0x10000 - 0x28)
+    flash (RX) : ORIGIN  = 0x104000, LENGTH = (0x20000 - 0x4000 - 0x400)
+}
+
+SECTIONS
+{
+    . = 0x000000000;
+    .fixed 0x00104000: AT ( 0x00000000 )
+    {
+        . = ALIGN(4);
+        _sfixed = .;
+        *(.text*)
+        *(.rodata*)
+        . = ALIGN(4);
+        _efixed = .;
+    } >flash
+
+    .relocate 0x00200028: AT ( SIZEOF(.fixed) )
+    {
+        . = ALIGN(4);
+        _srelocate = .;
+        *(.vectors)
+        *(.ramfunc)
+        *(.data)
+        . = ALIGN(4);
+        _erelocate = .;
+    } >sram
+
+    .bss (NOLOAD) : {
+        _szero = .;
+        *(.bss)
+        . = ALIGN(4);
+        _ezero = .;
+    } >sram
+    
+    _sstack = 0x210000;
+}
+end = .;
+