AT91SAM7A3. Added linker script for A3 (just a copy of X256).

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4802 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/ports/GCC/ARM/AT91SAM7/ld/AT91SAM7A3.ld

@@ -0,0 +1,105 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011,2012 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT 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 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * AT91SAM7X256 memory setup.
+ */
+__und_stack_size__	= 0x0004;
+__abt_stack_size__	= 0x0004;
+__fiq_stack_size__	= 0x0010;
+__irq_stack_size__	= 0x0080;
+__svc_stack_size__	= 0x0004;
+__sys_stack_size__	= 0x0400;
+__stacks_total_size__	= __und_stack_size__ + __abt_stack_size__ + __fiq_stack_size__ + __irq_stack_size__ + __svc_stack_size__ + __sys_stack_size__;
+
+MEMORY
+{
+    flash : org = 0x100000, len = 256k
+    ram : org = 0x200020, len = 64k - 0x20
+}
+
+__ram_start__		= ORIGIN(ram);
+__ram_size__		= LENGTH(ram);
+__ram_end__		= __ram_start__ + __ram_size__;
+
+SECTIONS
+{
+	. = 0;
+
+	.text : ALIGN(16) SUBALIGN(16)
+	{
+        _text = .;
+        KEEP(*(vectors))
+        *(.text)
+        *(.text.*)
+        *(.rodata)
+        *(.rodata.*)
+        *(.glue_7t)
+        *(.glue_7)
+        *(.gcc*)
+        *(.ctors)
+        *(.dtors)
+    } > flash
+
+    .ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)}
+
+    __exidx_start = .;
+    .ARM.exidx : {*(.ARM.exidx* .gnu.linkonce.armexidx.*)} > flash
+    __exidx_end = .;
+
+    .eh_frame_hdr : {*(.eh_frame_hdr)}
+
+    .eh_frame : ONLY_IF_RO {*(.eh_frame)}
+
+    . = ALIGN(4);
+    _etext = .;
+    _textdata = _etext;
+
+    .data :
+    {
+        _data = .;
+        *(.data)
+        . = ALIGN(4);
+        *(.data.*)
+        . = ALIGN(4);
+        *(.ramtext)
+        . = ALIGN(4);
+        _edata = .;
+    } > ram AT > flash
+
+    .bss :
+    {
+        _bss_start = .;
+        *(.bss)
+        . = ALIGN(4);
+        *(.bss.*)
+        . = ALIGN(4);
+        *(COMMON)
+        . = ALIGN(4);
+        _bss_end = .;
+    } > ram    
+}
+
+PROVIDE(end = .);
+_end = .;
+
+__heap_base__              = _end;
+__heap_end__               = __ram_end__ - __stacks_total_size__;
+__main_thread_stack_base__ = __ram_end__ - __stacks_total_size__;