?? 2410slib.s
字號:
;
; 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 : 2410slib.s
; Function : S3C2410 (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
;=====================================================================
;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
MOV_PC_LR
END
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