UTIL.S
资源名称:SMDK2440.rar [点击查看]
上传用户:qiulin1960
上传日期:2013-10-16
资源大小:2844k
文件大小:2k
源码类别:
Windows CE
开发平台:
Windows_Unix
- ;
- ; Copyright (c) Microsoft Corporation. All rights reserved.
- ;
- ;
- ; Use of this source code is subject to the terms of the Microsoft end-user
- ; license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
- ; If you did not accept the terms of the EULA, you are not authorized to use
- ; this source code. For a copy of the EULA, please see the LICENSE.RTF on your
- ; install media.
- ;
- ;******************************************************************************
- ;*
- ;* System On Chip(SOC)
- ;*
- ;* Copyright (c) 2002 Software Center, Samsung Electronics, Inc.
- ;* All rights reserved.
- ;*
- ;* This software is the confidential and proprietary information of Samsung
- ;* Electronics, Inc("Confidential Information"). You Shall not disclose such
- ;* Confidential Information and shall use it only in accordance with the terms
- ;* of the license agreement you entered into Samsung.
- ;*
- ;*-----------------------------------------------------------------------------
- ;*
- ;* S3C2440 BSP (WinCE3.0 & PocketPC2002)
- ;*
- ;* util.s : EBoot Utility Srcs for S3C2440 Board
- ;*
- ;* @author zartoven@samsung.com (SOC, SWC, SAMSUNG Electronics)
- ;*
- ;* @date 2002/04/08
- ;*
- ;* Log:
- ;* 2002/04/08 Start
- ;*
- ;******************************************************************************
- INCLUDE kxarm.h
- PHY_RAM_START EQU 0x30000000
- VIR_RAM_START EQU 0x8c000000
- TEXTAREA
- LEAF_ENTRY Launch
- ldr r2, = PhysicalStart
- ldr r3, = (VIR_RAM_START - PHY_RAM_START)
- sub r2, r2, r3
- mov r1, #0x0070 ; Disable MMU
- mcr p15, 0, r1, c1, c0, 0
- nop
- mov pc, r2 ; Jump to PStart
- nop
- ; MMU & caches now disabled.
- PhysicalStart
- mov r2, #0
- mcr p15, 0, r2, c8, c7, 0 ; Flush the TLB
- mov pc, r0 ; Jump to program we are launching.
- ;++
- ; Routine:
- ;
- ; ShowLights
- ;
- ; Description:
- ;
- ; Set the Hexadecimal LED array to the values specified
- ;
- ; Arguments:
- ;
- ; r0 = word containing 8 nibble values to write to the Hexadecimal LED
- ;
- ;
- ;--
- LEAF_ENTRY ShowLights
- mov pc, lr
- END