From ed9828226a41216626b2dcea09d80067d1cebcd3 Mon Sep 17 00:00:00 2001
From: "onelife.real" <onelife.real@gmail.com>
Date: Tue, 29 Nov 2011 09:15:10 +0000
Subject: *** EFM32 branch *** 1. Move file, "start_gcc.S", from
 "libcpu/arm/cortex-m3/" to "bsp/efm32/" 2. Upgrade EFM32 driver libraries
 (CMSIS and efm32lib) to version 2.2.2 3. Upgrade EFM32 G2xx development kit
 drivers (EFM32_Gxxx_DK) to version 1.7.2 (from version 1.6.0) 4. Modify the
 files ("drv_usart.c" and "drv_iic.c") according to the driver libraries
 upgrading

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1818 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 libcpu/arm/cortex-m3/start_gcc.S | 88 ----------------------------------------
 1 file changed, 88 deletions(-)
 delete mode 100644 libcpu/arm/cortex-m3/start_gcc.S

(limited to 'libcpu')

diff --git a/libcpu/arm/cortex-m3/start_gcc.S b/libcpu/arm/cortex-m3/start_gcc.S
deleted file mode 100644
index 7d3ec26aee..0000000000
--- a/libcpu/arm/cortex-m3/start_gcc.S
+++ /dev/null
@@ -1,88 +0,0 @@
-/***************************************************************************//**
- * @file 		start_gcc.S
- * @brief 	Context switch functions
- * 	COPYRIGHT (C) 2011, RT-Thread Development Team
- * @author 	onelife
- * @version 	0.4 beta
- *******************************************************************************
- * @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
- * 2010-12-21 	onelife 	Initial creation for EFM32
- * 2011-07-06 	onelife 	Modify to make use the start code in libraries
- ******************************************************************************/
- 
-/***************************************************************************//**
-* @addtogroup cortex-m3
-* @{
-*******************************************************************************/
-	.syntax unified
-	.cpu 	cortex-m3
-	.fpu 	softvfp
-	.thumb
-
-/* start address for the initialization values of the .data section. 
-defined in linker script */
-	.word _sidata
-/* start address for the .data section. defined in linker script */  
-	.word _sdata
-/* end address for the .data section. defined in linker script */
-	.word _edata
-/* start address for the .bss section. defined in linker script */
-	.word _sbss
-/* end address for the .bss section. defined in linker script */
-	.word _ebss
-
-/***************************************************************************//**
- * @brief  This is the code that gets called when the processor first
- *          starts execution following a reset event. Only the absolutely
- *          necessary set is performed, after which the application
- *          supplied main() routine is called. 
- * @param  None
- * @retval None
-*******************************************************************************/
-	.thumb
-	.thumb_func
-	.section	.cs3.init,"ax", %progbits
-	.globl		_start
-	.type		_start, %function
-_start:  
-	/* Copy the data segment initializers from flash to SRAM */  
-	movs  r1, #0
-	b  LoopCopyDataInit
-
-CopyDataInit:
-	ldr  r3, =_sidata
-	ldr  r3, [r3, r1]
-	str  r3, [r0, r1]
-	adds  r1, r1, #4
-    
-LoopCopyDataInit:
-	ldr  r0, =_sdata
-	ldr  r3, =_edata
-	adds  r2, r0, r1
-	cmp  r2, r3
-	bcc  CopyDataInit
-	ldr  r2, =_sbss
-	b  LoopFillZerobss
-
-/* Zero fill the bss segment. */  
-FillZerobss:
-	movs  r3, #0
-	str  r3, [r2], #4
-
-LoopFillZerobss:
-	ldr  r3, = _ebss
-	cmp  r2, r3
-	bcc  FillZerobss
-	/* Call the application's entry point.*/
-	bl  main
-	bx  lr    
-	.size _start, .-_start
-
-/***************************************************************************//**
- * @}
-*******************************************************************************/
-- 
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