rename the file name using low case

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2514 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/efm32/Efm32gg_rom.ld

-/***************************************************************************//**
- * @file 		efm32_rom_gg.ld
- * @brief 	Linker script for EFM32 giant gecko
- * 	COPYRIGHT (C) 2012, RT-Thread Development Team
- * @author 	onelife
- * @version 1.0
- *******************************************************************************
- * @section License
- * The license and distribution terms for this file may be found in the file
- * LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
- *******************************************************************************
- * @section Change Logs
- * Date			Author		Notes
- * 2011-12-08	onelife		Initial creation for EFM3 giant gecko support
- * 2012-05-15	onelife		Modified to compatible with CMSIS v3
- ******************************************************************************/
-MEMORY
-{
-    FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 1048576
-    RAM (rwx)  : ORIGIN = 0x20000000, LENGTH = 131072
-}
-_system_stack_size = 0x200;
-
-/* Linker script to place sections and symbol values. Should be used together
- * with other linker script that defines memory regions FLASH and RAM.
- * It references following symbols, which must be defined in code:
- *   Reset_Handler : Entry of reset handler
- *
- * It defines following symbols, which code can use without definition:
- *   __exidx_start
- *   __exidx_end
- *   __etext
- *   __data_start__
- *   __preinit_array_start
- *   __preinit_array_end
- *   __init_array_start
- *   __init_array_end
- *   __fini_array_start
- *   __fini_array_end
- *   __data_end__
- *   __bss_start__
- *   __bss_end__
- *   __end__
- *   end
- *   __HeapLimit
- *   __StackLimit
- *   __StackTop
- *   __stack
- */
-ENTRY(Reset_Handler)
-
-SECTIONS
-{
-	.text :
-	{
-		KEEP(*(.isr_vector))
-		*(.text*)
-
-		KEEP(*(.init))
-		KEEP(*(.fini))
-
-		/* .ctors */
-		*crtbegin.o(.ctors)
-		*crtbegin?.o(.ctors)
-		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
-		*(SORT(.ctors.*))
-		*(.ctors)
-
-		/* .dtors */
- 		*crtbegin.o(.dtors)
- 		*crtbegin?.o(.dtors)
- 		*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
- 		*(SORT(.dtors.*))
- 		*(.dtors)
-
-		*(.rodata*)
-
-		KEEP(*(.eh_frame*))
-
-		/* section information for finsh shell */
-		. = ALIGN(4);
-		__fsymtab_start = .;
-		KEEP(*(FSymTab))
-		__fsymtab_end = .;
-		. = ALIGN(4);
-		__vsymtab_start = .;
-		KEEP(*(VSymTab))
-		__vsymtab_end = .;
-	} > FLASH = 0
-
-	.ARM.extab :
-	{
-		*(.ARM.extab* .gnu.linkonce.armextab.*)
-	} > FLASH
-
-	__exidx_start = .;
-	.ARM.exidx :
-	{
-		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
-	} > FLASH
-	__exidx_end = .;
-
-	__etext = .;
-
-	.data : AT (__etext)
-	{
-		__data_start__ = .;
-		*(vtable)
-		*(.data*)
-		*(.ram)
-
-		. = ALIGN(4);
-		/* preinit data */
-		PROVIDE_HIDDEN (__preinit_array_start = .);
-		KEEP(*(.preinit_array))
-		PROVIDE_HIDDEN (__preinit_array_end = .);
-
-		. = ALIGN(4);
-		/* init data */
-		PROVIDE_HIDDEN (__init_array_start = .);
-		KEEP(*(SORT(.init_array.*)))
-		KEEP(*(.init_array))
-		PROVIDE_HIDDEN (__init_array_end = .);
-
-
-		. = ALIGN(4);
-		/* finit data */
-		PROVIDE_HIDDEN (__fini_array_start = .);
-		KEEP(*(SORT(.fini_array.*)))
-		KEEP(*(.fini_array))
-		PROVIDE_HIDDEN (__fini_array_end = .);
-
-		. = ALIGN(4);
-		/* All data end */
-		__data_end__ = .;
-
-	} > RAM
-
-	.bss :
-	{
-		__bss_start__ = .;
-		*(.bss*)
-		*(COMMON)
-		__bss_end__ = .;
-	} > RAM
-
-	.heap :
-	{
-		__end__ = .;
-		end = __end__;
-		_end = __end__;
-		*(.heap*)
-		__HeapLimit = .;
-	} > RAM
-
-	/* .stack_dummy section doesn't contains any symbols. It is only
-	 * used for linker to calculate size of stack sections, and assign
-	 * values to stack symbols later */
-	.stack_dummy :
-	{
-		*(.stack)
-	} > RAM
-
-	/* Set stack top to end of RAM, and stack limit move down by
-	 * size of stack_dummy section */
-	__StackTop = ORIGIN(RAM) + LENGTH(RAM);
-	__StackLimit = __StackTop - SIZEOF(.stack_dummy);
-	PROVIDE(__stack = __StackTop);
-
-	/* Check if data + heap + stack exceeds RAM limit */
-	ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
-}