菜鸟救助ARM高手
本人一直想学ARM,书也买了不少,学习板也买了一块,视频教程也有。但好像它都是在说ARM内核的东西,没有一个讲到怎么编译一个文件,一个程序要哪些包含文件,所以就天天内核和汇编,我现在汇编指令是差不多了。但就是不会编译文件,每次编译都说错误。想不通,就连一个条mov r0,#20都提示44b0.asm(1): error: A1163E: Unknown opcode r0,#20 , expecting opcode or Macro
44b0.asm(2): warning: A1313W: Missing END directive at end of file
Target not created
哎!!!!
实在是想不通不知到底是什么ARM
和51、AVR一点都不同。
希望高指点一二,或是推荐几好点的教材。谢谢!!!
我是用KEIL FOR ARM的启动文件是KEIL自动加的. ;/*****************************************************************************/
;/* S3C44B0X.S: Startup file for Samsung S3C44B0X */
;/*****************************************************************************/
;/* <<< Use Configuration Wizard in Context Menu >>> */
;/*****************************************************************************/
;/* This file is part of the uVision/ARM development tools. */
;/* Copyright (c) 2005-2006 Keil Software. All rights reserved. */
;/* This software may only be used under the terms of a valid, current, */
;/* end user licence from KEIL for a compatible version of KEIL software */
;/* development tools. Nothing else gives you the right to use this software. */
;/*****************************************************************************/
; *** Startup Code (executed after Reset) ***
; Standard definitions of Mode bits and Interrupt (I & F) flags in PSRs
Mode_USR EQU 0x10
Mode_FIQ EQU 0x11
Mode_IRQ EQU 0x12
Mode_SVC EQU 0x13
Mode_ABT EQU 0x17
Mode_UND EQU 0x1B
Mode_SYS EQU 0x1F
I_Bit EQU 0x80 ; when I bit is set, IRQ is disabled
F_Bit EQU 0x40 ; when F bit is set, FIQ is disabled
;// <h> Stack Configuration (Stack Sizes in Bytes)
;// <o0> Undefined Mode <0x0-0xFFFFFFFF:8>
;// <o1> Supervisor Mode <0x0-0xFFFFFFFF:8>
;// <o2> Abort Mode <0x0-0xFFFFFFFF:8>
;// <o3> Fast Interrupt Mode <0x0-0xFFFFFFFF:8>
;// <o4> Interrupt Mode <0x0-0xFFFFFFFF:8>
;// <o5> User/System Mode <0x0-0xFFFFFFFF:8>
;// </h>
UND_Stack_SizeEQU 0x00000000
SVC_Stack_SizeEQU 0x00000008
ABT_Stack_SizeEQU 0x00000000
FIQ_Stack_SizeEQU 0x00000000
IRQ_Stack_SizeEQU 0x00000080
USR_Stack_SizeEQU 0x00000400
Stack_Size EQU (UND_Stack_Size + SVC_Stack_Size + ABT_Stack_Size + \
FIQ_Stack_Size + IRQ_Stack_Size + USR_Stack_Size)
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
Stack_Top EQU Stack_Mem + Stack_Size
;// <h> Heap Configuration
;// <o>Heap Size (in Bytes) <0x0-0xFFFFFFFF>
;// </h>
Heap_Size EQU 0x00000000
AREA HEAP, NOINIT, READWRITE, ALIGN=3
Heap_Mem SPACE Heap_Size
; CPU Wrapper and Bus Priorities definitions
CPUW_BASE EQU 0x01C00000 ; CPU Wrapper Base Address
SYSCFG_OFS EQU 0x00 ; SYSCFG Offset
NCACHBE0_OFS EQU 0x04 ; NCACHBE0 Offset
NCACHBE1_OFS EQU 0x08 ; NCACHBE0 Offset
BUSP_BASE EQU 0x01C40000 ; Bus Priority Base Address
SBUSCON_OFS EQU 0x00 ; SBUSCON Offset
;// <e> CPU Wrapper and Bus Priorities
;// <h> CPU Wrapper
;// <o1.0> SE: Stall Enable
;// <o1.1..2> CM: Cache Mode
;// <0=> Disable Cache (8kB SRAM)
;// <1=> Half Cache Enable (4kB Cache, 4kB SRAM)
;// <2=> Reserved
;// <3=> Full Cache Enable (8kB Cache)
;// <o1.3> WE: Write Buffer Enable
;// <o1.4> RSE: Read Stall Enable
;// <o1.5> DA: Data Abort<0=> Enable <1=> Disable
;// <h> Non-cacheable Area 0
;// <o2.0..15>Start Address <0x0-0x0FFFF000:0x1000><#/0x1000>
;// <i> SA = (Start Address) / 4k
;// <o2.16..31> End Address + 1 <0x0-0x10000000:0x1000><#/0x1000>
;// <i> SE = (End Address + 1) / 4k
;// </h>
;// <h> Non-cacheable Area 1
;// <o3.0..15>Start Address <0x0-0x0FFFF000:0x1000><#/0x1000>
;// <i> SA = (Start Address) / 4k
;// <o3.16..31> End Address + 1 <0x0-0x10000000:0x1000><#/0x1000>
;// <i> SE = (End Address + 1) / 4k
;// </h>
;// </h>
;// <h> Bus Priorities
;// <o4.31> FIX: Fixed Priorities
;// <o4.6..7> LCD_DMA <0=> 1st<1=> 2nd<2=> 3rd<3=> 4th
;// <o4.4..5> ZDMA <0=> 1st<1=> 2nd<2=> 3rd<3=> 4th
;// <o4.2..3> BDMA <0=> 1st<1=> 2nd<2=> 3rd<3=> 4th
;// <o4.0..1> nBREQ <0=> 1st<1=> 2nd<2=> 3rd<3=> 4th
;// </h>
;// </e>
SYS_SETUP EQU 0
SYSCFG_Val EQU 0x00000001
NCACHBE0_Val EQU 0x00000000
NCACHBE1_Val EQU 0x00000000
SBUSCON_Val EQU 0x80001B1B
;// <e> Vectored Interrupt Mode (for IRQ)
;// <o1.25> EINT0 <i> External Interrupt 0
;// <o1.24> EINT1 <i> External Interrupt 1
;// <o1.23> EINT2 <i> External Interrupt 2
;// <o1.22> EINT3 <i> External Interrupt 3
;// <o1.21> EINT4567 <i> External Interrupt 4/5/6/7
;// <o1.20> TICK <i> RTC Time Tick Interrupt
;// <o1.19> ZDMA0 <i> General DMA0 Interrupt
;// <o1.18> ZDMA1 <i> General DMA1 Interrupt
;// <o1.17> BDMA0 <i> Bridge DMA0 Interrupt
;// <o1.16> BDMA1 <i> Bridge DMA1 Interrupt
;// <o1.15> WDT <i> Watchdog Timer Interrupt
;// <o1.14> UERR01 <i> UART0/1 Error Interrupt
;// <o1.13> TIMER0 <i> Timer0 Interrupt
;// <o1.12> TIMER1 <i> Timer1 Interrupt
;// <o1.11> TIMER2 <i> Timer2 Interrupt
;// <o1.10> TIMER3 <i> Timer3 Interrupt
;// <o1.9>TIMER4 <i> Timer4 Interrupt
;// <o1.8>TIMER5 <i> Timer5 Interrupt
;// <o1.7>URXD0 <i> UART0 Rx Interrupt
;// <o1.6>URXD1 <i> UART1 Rx Interrupt
;// <o1.5>IIC <i> IIC Interrupt
;// <o1.4>SIO <i> SIO Interrupt
;// <o1.3>UTXD0 <i> UART0 Tx Interrupt
;// <o1.2>UTXD1 <i> UART1 Tx Interrupt
;// <o1.1>RTC <i> RTC Alarm Interrupt
;// <o1.0>ADC <i> ADC EOC Interrupt
;// </e>
VIM_SETUP EQU 0
VIM_CFG EQU 0x00000000
; Clock Management definitions
CLK_BASE EQU 0x01D80000 ; Clock Base Address
PLLCON_OFS EQU 0x00 ; PLLCON Offset
CLKCON_OFS EQU 0x04 ; CLKCON Offset
CLKSLOW_OFS EQU 0x08 ; CLKSLOW Offset
LOCKTIME_OFS EQU 0x0C ; LOCKTIME Offset
;// <e> Clock Management
;// <h> PLL Settings
;// <i> Fpllo = (m * Fin) / (p * 2^s), 20MHz < Fpllo < 66MHz
;// <o1.12..19> MDIV: Main divider <0x0-0xFF>
;// <i> m = MDIV + 8
;// <o1.4..9> PDIV: Pre-divider<0x0-0x3F>
;// <i> p = PDIV + 2, 1MHz <= Fin/p < 2MHz
;// <o1.0..1> SDIV: Post Divider <0x0-0x03>
;// <i> s = SDIV, Fpllo * 2^s < 170MHz
;// <o4.0..11>LTIME CNT: PLL Lock Time Count<0x0-0x0FFF>
;// </h>
;// <h> Master Clock
;// <i> PLL Clock:Fout = Fpllo
;// <i> Slow Clock: Fout = Fin / (2 * SLOW_VAL), SLOW_VAL > 0
;// <i> Slow Clock: Fout = Fin, SLOW_VAL = 0
;// <o3.5> PLL_OFF: PLL Off
;// <i> PLL is turned Off only when SLOW_BIT = 1
;// <o3.4> SLOW_BIT: Slow Clock
;// <o3.0..3> SLOW_VAL: Slow Clock divider <0x0-0x0F>
;// </h>
;// <h> Clock Generation
;// <o2.14> IIS <0=> Disable<1=> Enable
;// <o2.13> IIC <0=> Disable<1=> Enable
;// <o2.12> ADC <0=> Disable<1=> Enable
;// <o2.11> RTC <0=> Disable<1=> Enable
;// <o2.10> GPIO <0=> Disable<1=> Enable
;// <o2.9> UART1 <0=> Disable<1=> Enable
;// <o2.8> UART0 <0=> Disable<1=> Enable
;// <o2.7> BDMA0,1 <0=> Disable<1=> Enable
;// <o2.6> LCDC <0=> Disable<1=> Enable
;// <o2.5> SIO <0=> Disable<1=> Enable
;// <o2.4> ZDMA0,1 <0=> Disable<1=> Enable
;// <o2.3> PWMTIMER<0=> Disable<1=> Enable
;// </h>
;// </e>
CLK_SETUP EQU 1
PLLCON_Val EQU 0x00038080
CLKCON_Val EQU 0x00007FF8
CLKSLOW_Val EQU 0x00000009
LOCKTIME_Val EQU 0x00000FFF
; Watchdog Timer definitions
WT_BASE EQU 0x01D30000 ; WT Base Address
WTCON_OFS EQU 0x00 ; WTCON Offset
WTDAT_OFS EQU 0x04 ; WTDAT Offset
WTCNT_OFS EQU 0x08 ; WTCNT Offset
;// <e> Watchdog Timer
;// <o1.5> Watchdog Timer Enable/Disable
;// <o1.0> Reset Enable/Disable
;// <o1.2> Interrupt Enable/Disable
;// <o1.3..4> Clock Select
;// <0=> 1/16<1=> 1/32<2=> 1/64<3=> 1/128
;// <i> Clock Division Factor
;// <o1.8..15>Prescaler Value <0x0-0xFF>
;// <o2.0..15>Time-out Value<0x0-0xFFFF>
;// </e>
WT_SETUP EQU 1
WTCON_Val EQU 0x00008000
WTDAT_Val EQU 0x00008000
; Memory Controller definitions
MC_BASE EQU 0x01C80000 ; Memory Controller Base Address
;// <e> Memory Controller
MC_SETUP EQU 1
;// <h> Bank 0
;// <o0.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o0.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o0.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o0.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o0.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o0.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o0.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;//
;// <h> Bank 1
;// <o8.4..5> DW: Data Bus Width
;// <0=> 8-bit <1=> 16-bit<2=> 32-bit<3=> Rsrvd
;// <o8.6> WS: WAIT Status
;// <0=> WAIT Disable
;// <1=> WAIT Enable
;// <o8.7> ST: SRAM Type
;// <0=> Not using UB/LB
;// <1=> Using UB/LB
;// <o1.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o1.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o1.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o1.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o1.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o1.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o1.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;//
;// <h> Bank 2
;// <o8.8..9> DW: Data Bus Width
;// <0=> 8-bit <1=> 16-bit<2=> 32-bit<3=> Rsrvd
;// <o8.10> WS: WAIT Status
;// <0=> WAIT Disable
;// <1=> WAIT Enable
;// <o8.11> ST: SRAM Type
;// <0=> Not using UB/LB
;// <1=> Using UB/LB
;// <o2.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o2.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o2.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o2.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o2.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o2.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o2.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;//
;// <h> Bank 3
;// <o8.12..13> DW: Data Bus Width
;// <0=> 8-bit <1=> 16-bit<2=> 32-bit<3=> Rsrvd
;// <o8.14> WS: WAIT Status
;// <0=> WAIT Disable
;// <1=> WAIT Enable
;// <o8.15> ST: SRAM Type
;// <0=> Not using UB/LB
;// <1=> Using UB/LB
;// <o3.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o3.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o3.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o3.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o3.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o3.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o3.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;//
;// <h> Bank 4
;// <o8.16..17> DW: Data Bus Width
;// <0=> 8-bit <1=> 16-bit<2=> 32-bit<3=> Rsrvd
;// <o8.18> WS: WAIT Status
;// <0=> WAIT Disable
;// <1=> WAIT Enable
;// <o8.19> ST: SRAM Type
;// <0=> Not using UB/LB
;// <1=> Using UB/LB
;// <o4.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o4.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o4.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o4.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o4.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o4.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o4.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;//
;// <h> Bank 5
;// <o8.20..21> DW: Data Bus Width
;// <0=> 8-bit <1=> 16-bit<2=> 32-bit<3=> Rsrvd
;// <o8.22> WS: WAIT Status
;// <0=> WAIT Disable
;// <1=> WAIT Enable
;// <o8.23> ST: SRAM Type
;// <0=> Not using UB/LB
;// <1=> Using UB/LB
;// <o5.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o5.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o5.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o5.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o5.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o5.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o5.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;//
;// <h> Bank 6
;// <o10.0..2>BK76MAP: Bank 6/7 Memory Map
;// <0=> 32M<4=> 2M <5=> 4M <6=> 8M <7=> 16M
;// <o8.24..25> DW: Data Bus Width
;// <0=> 8-bit <1=> 16-bit<2=> 32-bit<3=> Rsrvd
;// <o8.26> WS: WAIT Status
;// <0=> WAIT Disable
;// <1=> WAIT Enable
;// <o8.27> ST: SRAM Type
;// <0=> Not using UB/LB
;// <1=> Using UB/LB
;// <o6.15..16> MT: Memory Type
;// <0=> ROM or SRAM
;// <1=> FP DRAMP
;// <2=> EDO DRAM
;// <3=> SDRAM
;// <h> ROM or SRAM
;// <o6.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o6.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o6.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o6.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o6.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o6.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o6.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;// <h> FP DRAM or EDO DRAM
;// <o6.0..1> CAN: Columnn Address Number
;// <0=> 8-bit <1=> 9-bit <2=> 10-bit<3=> 11-bit
;// <o6.2> Tcp: CAS Pre-charge
;// <0=> 1 clk <1=> 2 clks
;// <o6.3> Tcas: CAS Pulse Width
;// <0=> 1 clk <1=> 2 clks
;// <o6.4..5> Trcd: RAS to CAS Delay
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// </h>
;// <h> SDRAM
;// <o6.0..1> SCAN: Columnn Address Number
;// <0=> 8-bit <1=> 9-bit <2=> 10-bit<3=> Rsrvd
;// <o6.2..3> Trcd: RAS to CAS Delay
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> Rsrvd
;// <o10.4> SCLKEN: SCLK Selection (Bank 6/7)
;// <0=> Normal
;// <1=> Reduced Power
;// <o11.0..2>BL: Burst Length
;// <0=> 1
;// <o11.3> BT: Burst Type
;// <0=> Sequential
;// <o11.4..6>CL: CAS Latency
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks
;// <o11.7..8>TM: Test Mode
;// <0=> Mode Register Set
;// <o11.9> WBL: Write Burst Length
;// <0=> 0
;// </h>
;// </h>
;//
;// <h> Bank 7
;// <o10.0..2>BK76MAP: Bank 6/7 Memory Map
;// <0=> 32M<4=> 2M <5=> 4M <6=> 8M <7=> 16M
;// <o8.28..29> DW: Data Bus Width
;// <0=> 8-bit <1=> 16-bit<2=> 32-bit<3=> Rsrvd
;// <o8.30> WS: WAIT Status
;// <0=> WAIT Disable
;// <1=> WAIT Enable
;// <o8.31> ST: SRAM Type
;// <0=> Not using UB/LB
;// <1=> Using UB/LB
;// <o7.15..16> MT: Memory Type
;// <0=> ROM or SRAM
;// <1=> FP DRAMP
;// <2=> EDO DRAM
;// <3=> SDRAM
;// <h> ROM or SRAM
;// <o7.0..1> PMC: Page Mode Configuration
;// <0=> 1 Data<1=> 4 Data<2=> 8 Data<3=> 16 Data
;// <o7.2..3> Tpac: Page Mode Access Cycle
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> 6 clks
;// <o7.4..5> Tcah: Address Holding Time after nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o7.6..7> Toch: Chip Select Hold on nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o7.8..10>Tacc: Access Cycle
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <4=> 6 clk <5=> 8 clks<6=> 10 clks <7=> 14 clks
;// <o7.11..12> Tcos: Chip Select Set-up nOE
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// <o7.13..14> Tacs: Address Set-up before nGCSn
;// <0=> 0 clk <1=> 1 clk <2=> 2 clks<3=> 4 clks
;// </h>
;// <h> FP DRAM or EDO DRAM
;// <o7.0..1> CAN: Columnn Address Number
;// <0=> 8-bit <1=> 9-bit <2=> 10-bit<3=> 11-bit
;// <o7.2> Tcp: CAS Pre-charge
;// <0=> 1 clk <1=> 2 clks
;// <o7.3> Tcas: CAS Pulse Width
;// <0=> 1 clk <1=> 2 clks
;// <o7.4..5> Trcd: RAS to CAS Delay
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks<3=> 4 clks
;// </h>
;// <h> SDRAM
;// <o7.0..1> SCAN: Columnn Address Number
;// <0=> 8-bit <1=> 9-bit <2=> 10-bit<3=> Rsrvd
;// <o7.2..3> Trcd: RAS to CAS Delay
;// <0=> 2 clks<1=> 3 clks<2=> 4 clks<3=> Rsrvd
;// <o10.4> SCLKEN: SCLK Selection (Bank 6/7)
;// <0=> Normal
;// <1=> Reduced Power
;// <o12.0..2>BL: Burst Length
;// <0=> 1
;// <o12.3> BT: Burst Type
;// <0=> Sequential
;// <o12.4..6>CL: CAS Latency
;// <0=> 1 clk <1=> 2 clks<2=> 3 clks
;// <o12.7..8>TM: Test Mode
;// <0=> Mode Register Set
;// <o12.9> WBL: Write Burst Length
;// <0=> 0
;// </h>
;// </h>
;//
;// <h> Refresh
;// <o9.23> REFEN: DRAM/SDRAM Refresh
;// <0=> Disable <1=> Enable
;// <o9.22> TREFMD: DRAM/SDRAM Refresh Mode
;// <0=> CBR/Auto Refresh
;// <1=> Self Refresh
;// <o9.20..21> Trp: DRAM/SDRAM RAS Pre-charge Time
;// <0=> 1.5 clks (DRAM) / 2 clks (SDRAM)
;// <1=> 2.5 clks (DRAM) / 3 clks (SDRAM)
;// <2=> 3.5 clks (DRAM) / 4 clks (SDRAM)
;// <3=> 4.5 clks (DRAM) / Rsrvd (SDRAM)
;// <o9.18..19> Trc: SDRAM RC Min Time
;// <0=> 4 clks<1=> 5 clks<2=> 6 clks<3=> 7 clks
;// <o9.16..17> Tchr: DRAM CAS Hold Time
;// <0=> 1 clks<1=> 2 clks<2=> 3 clks<3=> 4 clks
;// <o9.0..10>Refresh Counter <0x0-0x07FF>
;// <i> Refresh Period = (2^11 - Refresh Count + 1) / MCLK
;// </h>
BANKCON0_Val EQU 0x00000700
BANKCON1_Val EQU 0x00000700
BANKCON2_Val EQU 0x00000700
BANKCON3_Val EQU 0x00000700
BANKCON4_Val EQU 0x00000700
BANKCON5_Val EQU 0x00000700
BANKCON6_Val EQU 0x00018008
BANKCON7_Val EQU 0x00018008
BWSCON_Val EQU 0x00000000
REFRESH_Val EQU 0x00AC0000
BANKSIZE_Val EQU 0x00000000
MRSRB6_Val EQU 0x00000000
MRSRB7_Val EQU 0x00000000
;// </e> End of MC
; I/O Ports definitions
PIO_BASE EQU 0x01D20000 ; PIO Base Address
PCONA_OFS EQU 0x00 ; PCONA Offset
PCONB_OFS EQU 0x08 ; PCONB Offset
PCONC_OFS EQU 0x10 ; PCONC Offset
PCOND_OFS EQU 0x1C ; PCOND Offset
PCONE_OFS EQU 0x28 ; PCONE Offset
PCONF_OFS EQU 0x34 ; PCONF Offset
PCONG_OFS EQU 0x40 ; PCONG Offset
PUPC_OFS EQU 0x18 ; PUPC Offset
PUPD_OFS EQU 0x24 ; PUPD Offset
PUPE_OFS EQU 0x30 ; PUPE Offset
PUPF_OFS EQU 0x3C ; PUPF Offset
PUPG_OFS EQU 0x48 ; PUPG Offset
SPUCR_OFS EQU 0x4C ; SPUCR Offset
;// <e> I/O Configuration
PIO_SETUP EQU 0
;// <e> Port A
;// <o1.0> PA0<0=> Output <1=> ADDR0
;// <o1.1> PA1<0=> Output <1=> ADDR16
;// <o1.2> PA2<0=> Output <1=> ADDR17
;// <o1.3> PA3<0=> Output <1=> ADDR18
;// <o1.4> PA4<0=> Output <1=> ADDR19
;// <o1.5> PA5<0=> Output <1=> ADDR20
;// <o1.6> PA6<0=> Output <1=> ADDR21
;// <o1.7> PA7<0=> Output <1=> ADDR22
;// <o1.8> PA8<0=> Output <1=> ADDR23
;// <o1.9> PA9<0=> Output <1=> ADDR24
;// </e>
PIOA_SETUP EQU 1
PCONA_Val EQU 0x000003FF
;// <e> Port B
;// <o1.0> PB0<0=> Output <1=> SCKE
;// <o1.1> PB1<0=> Output <1=> CKLK
;// <o1.2> PB2<0=> Output <1=> nSCAS/nCAS2
;// <o1.3> PB3<0=> Output <1=> nSRAS/nCAS3
;// <o1.4> PB4<0=> Output <1=> nWBE2/nBE2/DQM2
;// <o1.5> PB5<0=> Output <1=> nWBE3/nBE3/DQM3
;// <o1.6> PB6<0=> Output <1=> nGCS1
;// <o1.7> PB7<0=> Output <1=> nGCS2
;// <o1.8> PB8<0=> Output <1=> nGCS3
;// <o1.9> PB9<0=> Output <1=> nGCS4
;// <o1.10> PB10 <0=> Output <1=> nGCS5
;// </e>
PIOB_SETUP EQU 1
PCONB_Val EQU 0x000007FF
;// <e> Port C
;// <o1.0..1> PC0<0=> Input <1=> Output <2=> DATA16 <3=> IISLRCK
;// <o1.2..3> PC1<0=> Input <1=> Output <2=> DATA17 <3=> IISDO
;// <o1.4..5> PC2<0=> Input <1=> Output <2=> DATA18 <3=> IISDI
;// <o1.6..7> PC3<0=> Input <1=> Output <2=> DATA19 <3=> IISCLK
;// <o1.8..9> PC4<0=> Input <1=> Output <2=> DATA20 <3=> VD7
;// <o1.10..11> PC5<0=> Input <1=> Output <2=> DATA21 <3=> VD6
;// <o1.12..13> PC6<0=> Input <1=> Output <2=> DATA22 <3=> VD5
;// <o1.14..15> PC7<0=> Input <1=> Output <2=> DATA23 <3=> VD4
;// <o1.16..17> PC8<0=> Input <1=> Output <2=> DATA24 <3=> nXDACK1
;// <o1.18..19> PC9<0=> Input <1=> Output <2=> DATA25 <3=> nXDREQ1
;// <o1.20..21> PC10 <0=> Input <1=> Output <2=> DATA26 <3=> nRTS1
;// <o1.22..23> PC11 <0=> Input <1=> Output <2=> DATA27 <3=> nCTS1
;// <o1.24..25> PC12 <0=> Input <1=> Output <2=> DATA28 <3=> TxD1
;// <o1.26..27> PC13 <0=> Input <1=> Output <2=> DATA29 <3=> RxD1
;// <o1.28..29> PC14 <0=> Input <1=> Output <2=> DATA30 <3=> nRTS0
;// <o1.30..31> PC15 <0=> Input <1=> Output <2=> DATA31 <3=> nCTS0
;// <h> Pull-up Resistors
;// <o2.0> PC0 Pull-up <0=> Enabled<1=> Disabled
;// <o2.1> PC1 Pull-up <0=> Enabled<1=> Disabled
;// <o2.2> PC2 Pull-up <0=> Enabled<1=> Disabled
;// <o2.3> PC3 Pull-up <0=> Enabled<1=> Disabled
;// <o2.4> PC4 Pull-up <0=> Enabled<1=> Disabled
;// <o2.5> PC5 Pull-up <0=> Enabled<1=> Disabled
;// <o2.6> PC6 Pull-up <0=> Enabled<1=> Disabled
;// <o2.7> PC7 Pull-up <0=> Enabled<1=> Disabled
;// <o2.8> PC8 Pull-up <0=> Enabled<1=> Disabled
;// <o2.9> PC9 Pull-up <0=> Enabled<1=> Disabled
;// <o2.10> PC10 Pull-up <0=> Enabled<1=> Disabled
;// <o2.11> PC11 Pull-up <0=> Enabled<1=> Disabled
;// <o2.12> PC12 Pull-up <0=> Enabled<1=> Disabled
;// <o2.13> PC13 Pull-up <0=> Enabled<1=> Disabled
;// <o2.14> PC14 Pull-up <0=> Enabled<1=> Disabled
;// <o2.15> PC15 Pull-up <0=> Enabled<1=> Disabled
;// </h>
;// </e>
PIOC_SETUP EQU 1
PCONC_Val EQU 0xAAAAAAAA
PUPC_Val EQU 0x00000000
;// <e> Port D
;// <o1.0..1> PD0<0=> Input <1=> Output <2=> VD0 <3=> Reserved
;// <o1.2..3> PD1<0=> Input <1=> Output <2=> VD1 <3=> Reserved
;// <o1.4..5> PD2<0=> Input <1=> Output <2=> VD2 <3=> Reserved
;// <o1.6..7> PD3<0=> Input <1=> Output <2=> VD3 <3=> Reserved
;// <o1.8..9> PD4<0=> Input <1=> Output <2=> VCLK <3=> Reserved
;// <o1.10..11> PD5<0=> Input <1=> Output <2=> VLINE <3=> Reserved
;// <o1.12..13> PD6<0=> Input <1=> Output <2=> VM <3=> Reserved
;// <o1.14..15> PD7<0=> Input <1=> Output <2=> VFRAME <3=> Reserved
;// <h> Pull-up Resistors
;// <o2.0> PD0 Pull-up <0=> Enabled<1=> Disabled
;// <o2.1> PD1 Pull-up <0=> Enabled<1=> Disabled
;// <o2.2> PD2 Pull-up <0=> Enabled<1=> Disabled
;// <o2.3> PD3 Pull-up <0=> Enabled<1=> Disabled
;// <o2.4> PD4 Pull-up <0=> Enabled<1=> Disabled
;// <o2.5> PD5 Pull-up <0=> Enabled<1=> Disabled
;// <o2.6> PD6 Pull-up <0=> Enabled<1=> Disabled
;// <o2.7> PD7 Pull-up <0=> Enabled<1=> Disabled
;// </h>
;// </e>
PIOD_SETUP EQU 1
PCOND_Val EQU 0x00000000
PUPD_Val EQU 0x00000000
;// <e> Port E
;// <o1.0..1> PE0<0=> Input <1=> Output <2=> Fpllo <3=> Fout
;// <o1.2..3> PE1<0=> Input <1=> Output <2=> TxD0 <3=> Reserved
;// <o1.4..5> PE2<0=> Input <1=> Output <2=> RxD0 <3=> Reserved
;// <o1.6..7> PE3<0=> Input <1=> Output <2=> TOUT0 <3=> Reserved
;// <o1.8..9> PE4<0=> Input <1=> Output <2=> TOUT1 <3=> TCLK
;// <o1.10..11> PE5<0=> Input <1=> Output <2=> TOUT2 <3=> TCLK
;// <o1.12..13> PE6<0=> Input <1=> Output <2=> TOUT3 <3=> VD6
;// <o1.14..15> PE7<0=> Input <1=> Output <2=> TOUT4 <3=> VD7
;// <o1.16..17> PE8<0=> Input <1=> Output <2=> CODECLK<3=> Reserved
;// <h> Pull-up Resistors
;// <o2.0> PE0 Pull-up <0=> Enabled<1=> Disabled
;// <o2.1> PE1 Pull-up <0=> Enabled<1=> Disabled
;// <o2.2> PE2 Pull-up <0=> Enabled<1=> Disabled
;// <o2.3> PE3 Pull-up <0=> Enabled<1=> Disabled
;// <o2.4> PE4 Pull-up <0=> Enabled<1=> Disabled
;// <o2.5> PE5 Pull-up <0=> Enabled<1=> Disabled
;// <o2.6> PE6 Pull-up <0=> Enabled<1=> Disabled
;// <o2.7> PE7 Pull-up <0=> Enabled<1=> Disabled
;// <o2.8> PE8 Pull-up <0=> Enabled<1=> Disabled
;// </h>
;// </e>
PIOE_SETUP EQU 1
PCONE_Val EQU 0x00000000
PUPE_Val EQU 0x00000000
;// <e> Port F
;// <o1.0..1> PF0<0=> Input <1=> Output <2=> IICSCL <3=> Reserved
;// <o1.2..3> PF1<0=> Input <1=> Output <2=> IICSDA <3=> Reserved
;// <o1.4..5> PF2<0=> Input <1=> Output <2=> nWAIT <3=> Reserved
;// <o1.6..7> PF3<0=> Input <1=> Output <2=> nXBACK <3=> nXDACK0
;// <o1.8..9> PF4<0=> Input <1=> Output <2=> nXBREQ <3=> nXDREQ0
;// <o1.10..12> PF5<0=> Input <1=> Output <2=> nRTS1 <3=> SIOTxD
;// <4=> IISLRCK<5=> Reserved <6=> Reserved <7=> Reserved
;// <o1.13..15> PF6<0=> Input <1=> Output <2=> TxD1 <3=> SIORDY
;// <4=> IISDO <5=> Reserved <6=> Reserved <7=> Reserved
;// <o1.16..18> PF7<0=> Input <1=> Output <2=> RxD1 <3=> SIORxD
;// <4=> IISDI <5=> Reserved <6=> Reserved <7=> Reserved
;// <o1.19..21> PF8<0=> Input <1=> Output <2=> nCTS1 <3=> SIOCLK
;// <4=> IISCLK <5=> Reserved <6=> Reserved <7=> Reserved
;// <h> Pull-up Resistors
;// <o2.0> PF0 Pull-up <0=> Enabled<1=> Disabled
;// <o2.1> PF1 Pull-up <0=> Enabled<1=> Disabled
;// <o2.2> PF2 Pull-up <0=> Enabled<1=> Disabled
;// <o2.3> PF3 Pull-up <0=> Enabled<1=> Disabled
;// <o2.4> PF4 Pull-up <0=> Enabled<1=> Disabled
;// <o2.5> PF5 Pull-up <0=> Enabled<1=> Disabled
;// <o2.6> PF6 Pull-up <0=> Enabled<1=> Disabled
;// <o2.7> PF7 Pull-up <0=> Enabled<1=> Disabled
;// <o2.8> PF8 Pull-up <0=> Enabled<1=> Disabled
;// </h>
;// </e>
PIOF_SETUP EQU 1
PCONF_Val EQU 0x00000000
PUPF_Val EQU 0x00000000
;// <e> Port G
;// <o1.0..1> PG0<0=> Input <1=> Output <2=> VD4 <3=> EINT0
;// <o1.2..3> PG1<0=> Input <1=> Output <2=> VD5 <3=> EINT1
;// <o1.4..5> PG2<0=> Input <1=> Output <2=> nCTS0 <3=> EINT2
;// <o1.6..7> PG3<0=> Input <1=> Output <2=> nRTS0 <3=> EINT3
;// <o1.8..9> PG4<0=> Input <1=> Output <2=> IISCLK <3=> EINT4
;// <o1.10..11> PG5<0=> Input <1=> Output <2=> IISDI <3=> EINT5
;// <o1.12..13> PG6<0=> Input <1=> Output <2=> IISDO <3=> EINT6
;// <o1.14..15> PG7<0=> Input <1=> Output <2=> IISLRCK<3=> EINT7
;// <h> Pull-up Resistors
;// <o2.0> PG0 Pull-up <0=> Enabled<1=> Disabled
;// <o2.1> PG1 Pull-up <0=> Enabled<1=> Disabled
;// <o2.2> PG2 Pull-up <0=> Enabled<1=> Disabled
;// <o2.3> PG3 Pull-up <0=> Enabled<1=> Disabled
;// <o2.4> PG4 Pull-up <0=> Enabled<1=> Disabled
;// <o2.5> PG5 Pull-up <0=> Enabled<1=> Disabled
;// <o2.6> PG6 Pull-up <0=> Enabled<1=> Disabled
;// <o2.7> PG7 Pull-up <0=> Enabled<1=> Disabled
;// </h>
;// </e>
PIOG_SETUP EQU 1
PCONG_Val EQU 0x00000000
PUPG_Val EQU 0x00000000
;// <e> Special Pull-up
;// <o1.0> SPUCR0: DATA Pull-up Resistor
;// <0=> Enabled<1=> Disabled
;// <o1.1> SPUCR1: DATA Pull-up Resistor
;// <0=> Enabled<1=> Disabled
;// <o1.2> HZ@STOP
;// <0=> Prevoius state of PAD
;// <1=> HZ @ Stop
;// </e>
PSPU_SETUP EQU 1
SPUCR_Val EQU 0x00000004
;// </e>
PRESERVE8
; Area Definition and Entry Point
;Startup Code must be linked first at Address at which it expects to run.
AREA RESET, CODE, READONLY
ARM
; Exception Vectors
;Mapped to Address 0.
;Absolute addressing mode must be used.
;Dummy Handlers are implemented as infinite loops which can be modified.
Vectors LDR PC, Reset_Addr
LDR PC, Undef_Addr
LDR PC, SWI_Addr
LDR PC, PAbt_Addr
LDR PC, DAbt_Addr
NOP ; Reserved Vector
LDR PC, IRQ_Addr
LDR PC, FIQ_Addr
IF VIM_SETUP <> 0
MACRO
$IRQ_Vector IRQ_Vec $Num, $HandlerName
$IRQ_Vector IF (VIM_CFG:AND:(1:SHL:$Num)) <> 0
IMPORT$HandlerName
LDR PC, =$HandlerName
ELSE
B .
ENDIF
MEND
IRQ_Vec 25, HandlerEINT0
IRQ_Vec 24, HandlerEINT1
IRQ_Vec 23, HandlerEINT2
IRQ_Vec 22, HandlerEINT3
IRQ_Vec 21, HandlerINT4567
IRQ_Vec 20, HandlerTICK
B .
B .
IRQ_Vec 19, HandlerZDMA0
IRQ_Vec 18, HandlerZDMA1
IRQ_Vec 17, HandlerBDMA0
IRQ_Vec 16, HandlerBDMA1
IRQ_Vec 15, HandlerWDT
IRQ_Vec 14, HandlerUERR01
B .
B .
IRQ_Vec 13, HandlerTIMER0
IRQ_Vec 12, HandlerTIMER1
IRQ_Vec 11, HandlerTIMER2
IRQ_Vec 10, HandlerTIMER3
IRQ_Vec 9,HandlerTIMER4
IRQ_Vec 8,HandlerTIMER5
B .
B .
IRQ_Vec 7,HandlerURXD0
IRQ_Vec 6,HandlerURXD1
IRQ_Vec 5,HandlerIIC
IRQ_Vec 4,HandlerSIO
IRQ_Vec 3,HandlerUTXD0
IRQ_Vec 2,HandlerUTXD1
B .
B .
IRQ_Vec 1,HandlerRTC
B .
B .
B .
B .
B .
B .
B .
IRQ_Vec 0,HandlerADC
ENDIF
Reset_Addr DCD Reset_Handler
Undef_Addr DCD Undef_Handler
SWI_Addr DCD SWI_Handler
PAbt_Addr DCD PAbt_Handler
DAbt_Addr DCD DAbt_Handler
DCD 0 ; Reserved Address
IRQ_Addr DCD IRQ_Handler
FIQ_Addr DCD FIQ_Handler
Undef_Handler B Undef_Handler
SWI_Handler B SWI_Handler
PAbt_Handler B PAbt_Handler
DAbt_Handler B DAbt_Handler
IRQ_Handler B IRQ_Handler
FIQ_Handler B FIQ_Handler
; CPU Wrapper and Bus Priorities Configuration
IF SYS_SETUP <> 0
SYS_CFG
DCD CPUW_BASE
DCD BUSP_BASE
DCD SYSCFG_Val
DCD NCACHBE0_Val
DCD NCACHBE1_Val
DCD SBUSCON_Val
ENDIF
; Memory Controller Configuration
IF MC_SETUP <> 0
MC_CFG
DCD BWSCON_Val
DCD BANKCON0_Val
DCD BANKCON1_Val
DCD BANKCON2_Val
DCD BANKCON3_Val
DCD BANKCON4_Val
DCD BANKCON5_Val
DCD BANKCON6_Val
DCD BANKCON7_Val
DCD REFRESH_Val
DCD BANKSIZE_Val
DCD MRSRB6_Val
DCD MRSRB7_Val
ENDIF
; Clock Management Configuration
IF CLK_SETUP <> 0
CLK_CFG
DCD CLK_BASE
DCD PLLCON_Val
DCD CLKCON_Val
DCD CLKSLOW_Val
DCD LOCKTIME_Val
ENDIF
; I/O Configuration
IF PIO_SETUP <> 0
PIO_CFG
DCD PCONA_Val
DCD PCONB_Val
DCD PCONC_Val
DCD PCOND_Val
DCD PCONE_Val
DCD PCONF_Val
DCD PCONG_Val
DCD PUPC_Val
DCD PUPD_Val
DCD PUPE_Val
DCD PUPF_Val
DCD PUPG_Val
DCD SPUCR_Val
ENDIF
; Reset Handler
EXPORTReset_Handler
Reset_Handler
IF SYS_SETUP <> 0
ADR R8, SYS_CFG
LDMIA R8, {R0-R5}
STMIA R0, {R2-R4}
STR R5,
ENDIF
IF MC_SETUP <> 0
ADR R13, MC_CFG
LDMIA R13, {R0-R12}
LDR R13, =MC_BASE
STMIA R13, {R0-R12}
ENDIF
IF CLK_SETUP <> 0
ADR R8, CLK_CFG
LDMIA R8, {R0-R4}
STR R4,
STR R1,
STR R3,
STR R2,
ENDIF
IF WT_SETUP <> 0
LDR R0, =WT_BASE
LDR R1, =WTCON_Val
LDR R2, =WTDAT_Val
STR R2,
STR R2,
STR R1,
ENDIF
IF PIO_SETUP <> 0
ADR R13, PIO_CFG
LDMIA R13, {R0-R12}
LDR R13, =PIO_BASE
IF PIOA_SETUP <> 0
STR R0,
ENDIF
IF PIOB_SETUP <> 0
STR R1,
ENDIF
IF PIOC_SETUP <> 0
STR R2,
STR R7,
ENDIF
IF PIOD_SETUP <> 0
STR R3,
STR R8,
ENDIF
IF PIOE_SETUP <> 0
STR R4,
STR R9,
ENDIF
IF PIOF_SETUP <> 0
STR R5,
STR R10,
ENDIF
IF PIOG_SETUP <> 0
STR R6,
STR R11,
ENDIF
IF PSPU_SETUP <> 0
STR R12,
ENDIF
ENDIF
; Setup Stack for each mode
LDR R0, =Stack_Top
;Enter Undefined Instruction Mode and set its Stack Pointer
MSR CPSR_c, #Mode_UND:OR:I_Bit:OR:F_Bit
MOV SP, R0
SUB R0, R0, #UND_Stack_Size
;Enter Abort Mode and set its Stack Pointer
MSR CPSR_c, #Mode_ABT:OR:I_Bit:OR:F_Bit
MOV SP, R0
SUB R0, R0, #ABT_Stack_Size
;Enter FIQ Mode and set its Stack Pointer
MSR CPSR_c, #Mode_FIQ:OR:I_Bit:OR:F_Bit
MOV SP, R0
SUB R0, R0, #FIQ_Stack_Size
;Enter IRQ Mode and set its Stack Pointer
MSR CPSR_c, #Mode_IRQ:OR:I_Bit:OR:F_Bit
MOV SP, R0
SUB R0, R0, #IRQ_Stack_Size
;Enter Supervisor Mode and set its Stack Pointer
MSR CPSR_c, #Mode_SVC:OR:I_Bit:OR:F_Bit
MOV SP, R0
SUB R0, R0, #SVC_Stack_Size
;Enter User Mode and set its Stack Pointer
MSR CPSR_c, #Mode_USR
MOV SP, R0
SUB SL, SP, #USR_Stack_Size
; Enter the C code
IMPORT__main
LDR R0, =__main
BX R0
; User Initial Stack & Heap
AREA |.text|, CODE, READONLY
IMPORT__use_two_region_memory
EXPORT__user_initial_stackheap
__user_initial_stackheap
LDR R0, =Heap_Mem
LDR R1, =(Stack_Mem + USR_Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
END
上面是启动文件
下面就一条
mov r0,#20
指令
我是菜鸟希望别见笑 怎么没人回呢。
就一条指令都通不过,提示错误,到底是怎么回事呀!
Build target 'Target 1'
assembling S3C44B0X.s...
assembling 44b0.asm...
44b0.asm(1): error: A1163E: Unknown opcode r0,#20 , expecting opcode or Macro
44b0.asm(2): warning: A1313W: Missing END directive at end of file
Target not created 下面就一条
mov r0,#20
指令
没有将指令放在AREA内,或者指令码定格写都会出错的
楼主好好看看keil自带的boot文件的书写规则。 好的,非常感谢你的帮助
我再看看,主要还是不知道从那入手 楼主可以看看我原来写过的一个最简单的汇编程序 MDK的 就一个汇编文件
(检出)svn checkout http://songbank.googlecode.com/svn/trunk/bios -r13
麻雀虽小 五脏俱全
汇编源文件MDK工程链接文件
看完基本知道如何下手了 aozima 发表于 2009-7-2 18:29 static/image/common/back.gif
楼主可以看看我原来写过的一个最简单的汇编程序 MDK的 就一个汇编文件
(检出)svn checkout http://songbank ...
楼主,你给你的网址上不去啊。可不可以发一个RAR给大伙啊,要不发一以我的邮箱也行1657559810@qq.com,谢谢了。
页:
[1]