2440slib.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.
- ;
- ;=====================================================================
- ; File Name : 2440slib.s
- ; Function : S3C2440 (Assembly)
- ; Program : Shin, On Pil (SOP)
- ; Date : February 26, 2002
- ; Version : 0.0
- ; History
- ; 0.0 : Programming start (February 26,2002) -> SOP
- ; 04.24.2002: purnnamu: optimized for NAND flash bootstrap
- ; 11.29.2003: hmseo: modified for S3C2440 PPC2003
- ;=====================================================================
- ;Interrupt, FIQ/IRQ disable
- NOINT EQU 0xc0 ; 1100 0000
- ;Check if tasm.exe(armasm -16 ...@ADS 1.0) is used.
- GBLL THUMBCODE
- [ {CONFIG} = 16
- THUMBCODE SETL {TRUE}
- CODE32
- |
- THUMBCODE SETL {FALSE}
- ]
- MACRO
- MOV_PC_LR
- [ THUMBCODE
- bx lr
- |
- mov pc,lr
- ]
- MEND
- AREA |C$$code|, CODE, READONLY
- ;====================================
- ; MMU Cache/TLB/etc on/off functions
- ;====================================
- R1_I EQU (1<<12)
- R1_C EQU (1<<2)
- R1_A EQU (1<<1)
- R1_M EQU (1)
- R1_iA EQU (1<<31)
- R1_nF EQU (1<<30)
- ;void MMU_EnableICache(void)
- EXPORT MMU_EnableICache
- MMU_EnableICache
- mrc p15,0,r0,c1,c0,0
- orr r0,r0,#R1_I
- mcr p15,0,r0,c1,c0,0
- MOV_PC_LR
- ;void MMU_SetAsyncBusMode(void)
- ; FCLK:HCLK= 1:2
- EXPORT MMU_SetAsyncBusMode
- MMU_SetAsyncBusMode
- mrc p15,0,r0,c1,c0,0
- orr r0,r0,#R1_nF:OR:R1_iA
- mcr p15,0,r0,c1,c0,0
- MOV_PC_LR
- ; void Launch(DWORD PhysicalAddress)
- EXPORT Launch
- Launch
- nop
- nop
- nop
- nop
- mov pc, r0 ; Jump to PhysicalAddress
- nop
- nop
- nop
- nop
- MOV_PC_LR
- END