Refactor and reorder ld script for cortex-m3.

[bertos.git] / bertos / cpu / cortex-m3 / scripts / cortex-m3_ram.ld

diff --git a/bertos/cpu/cortex-m3/scripts/cortex-m3_ram.ld b/bertos/cpu/cortex-m3/scripts/cortex-m3_ram.ld
new file mode 100644 (file)
index 0000000..df75798
--- /dev/null
+++ b/bertos/cpu/cortex-m3/scripts/cortex-m3_ram.ld
@@ -0,0 +1,109 @@
+/**
+ * \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 2008 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \author Manuele Fanelli <qwert@develer.com>
+ *
+ * \brief Script for Cortex M3 family processors.
+ *
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+
+/*
+ * Define stack size here
+ */
+STACK_SIZE = 0x1000;
+
+/*
+ * Allocate section memory
+ */
+SECTIONS
+{
+       .text :
+       {
+               KEEP(*(.vectors));
+               . = ALIGN (4);
+               KEEP(*(.init));
+               . = ALIGN (4);
+               *(.rodata .rodata.*);
+               . = ALIGN (4);
+               *(.text .text.*);
+               . = ALIGN (4);
+               *(.glue_7t);
+               . = ALIGN(4);
+               *(.glue_7);
+               . = ALIGN(4);
+       } > ram
+
+       __text_end = .;
+       PROVIDE (__text_end = .);
+
+       .data : AT (__text_end)
+       {
+               . = ALIGN (0x400);
+               PROVIDE (__data_start = .);
+               *(vtable)
+               *(.data .data.*)
+               . = ALIGN (4);
+               _edata = .;
+               PROVIDE (__data_end = .);
+       } > ram
+
+       .bss :
+       {
+               PROVIDE (__bss_start = .);
+               *(.bss .bss.*)
+               . = ALIGN(4);
+               *(COMMON)
+               . = ALIGN(4);
+               PROVIDE (__bss_end = .);
+       } > ram
+
+       /*
+        * Allocated stack at the end of bss section.
+        * Data heap is allocate at end of stack.
+        */
+       PROVIDE (__msp_start = .);
+       . = ALIGN(8);
+       . += STACK_SIZE;
+       PROVIDE (__msp_end = .);
+
+       PROVIDE (__psp_start = .);
+       . = ALIGN(8);
+       . += STACK_SIZE;
+       PROVIDE (__psp_end = .);
+
+       PROVIDE (__heap_start = .);
+       . = ALIGN(8);
+}
+