rt-thread/libcpu/arm/nuc1xx/start_rvds.S

;/*---------------------------------------------------------------------------------------------------------*/
;/*                                                                                                         */
;/* Copyright(c) 2009 Nuvoton Technology Corp. All rights reserved.                                         */
;/*                                                                                                         */
;/*---------------------------------------------------------------------------------------------------------*/

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

CLK_BA_base      EQU 0x50000200
PWRCON           EQU 0x00
AHBCLK           EQU 0x04
APBCLK           EQU 0x08
CLKSEL0          EQU 0x10
CLKSEL1          EQU 0x14
CLKDIV           EQU 0x18
PLLCON           EQU 0x20
TEST_S           EQU 0x30

CLK_BA_APBCLK    EQU 0x50000208

;// Define clock enable registers  

ADC_COMP_CLK     EQU 0x50000208
ADC_enable       EQU 0x10000000
COMP_enable      EQU 0x40000000

PDMA_CLK         EQU 0x50000204 
PDMA_enable      EQU 0x00000003

;;  bit 0  CPU_EN
;;  bit 1  PDMA_EN

;// Define COMP registers base
COMP_base        EQU  0x400D0000
CMP1CR           EQU  0x00
CMP2CR           EQU  0x04
CMPSR            EQU  0x08

;// Define ADC registers base
ADC_base         EQU  0x400E0000
ADDR0            EQU  0x00
ADDR1            EQU  0x04
ADDR2            EQU  0x08
ADDR3            EQU  0x0c
ADDR4            EQU  0x10
ADDR5            EQU  0x14
ADDR6            EQU  0x18
ADDR7            EQU  0x1c
ADCR             EQU  0x20
ADCHER           EQU  0x24
ADCMPR0          EQU  0x28
ADCMPR1          EQU  0x2c
ADSR             EQU  0x30
ADCALR           EQU  0x34
ADCFCR           EQU  0x38
ADCALD           EQU  0x3c

;// Pattern Table
pattern_55555555 EQU  0x55555555
pattern_aaaaaaaa EQU  0xaaaaaaaa
pattern_00005555 EQU  0x00005555
pattern_0000aaaa EQU  0x0000aaaa
pattern_05550515 EQU  0x05550515
pattern_0aaa0a2a EQU  0x0aaa0a2a

;// Define PDMA regsiter base
PDMA_BA_ch0_base EQU  0x50008000
PDMA_BA_ch1_base EQU  0x50008100
PDMA_BA_ch2_base EQU  0x50008200
PDMA_BA_ch3_base EQU  0x50008300
PDMA_BA_ch4_base EQU  0x50008400
PDMA_BA_ch5_base EQU  0x50008500
PDMA_BA_ch6_base EQU  0x50008600
PDMA_BA_ch7_base EQU  0x50008700

PDMA_BA_GCR      EQU 0x50008F00
PDMA_BA_GCR_base EQU 0x50008F00

PDMA_GCRCSR      EQU  0X00
PDMA_PDSSR2      EQU  0X04
PDMA_PDSSR1      EQU  0X08  ;; PDMA channel select   0x77000000
PDMA_GCRISR      EQU  0X0C

PDMA_GLOBAL_enable      EQU 0x0000FF00

PDMA_CSR         EQU  0X00
PDMA_SAR         EQU  0X04
PDMA_DAR         EQU  0X08
PDMA_BCR         EQU  0X0C
PDMA_CSAR        EQU  0X14
PDMA_CDAR        EQU  0X18
PDMA_CBSR        EQU  0X1C
PDMA_IER         EQU  0X20
PDMA_ISR         EQU  0X24
PDMA_CTCSR       EQU  0X28
PDMA_SASOCR      EQU  0X2C
PDMA_DASOCR      EQU  0X30
PDMA_SBUF0       EQU  0X80
PDMA_SBUF1       EQU  0X84
PDMA_SBUF2       EQU  0X88
PDMA_SBUF3       EQU  0X8C

;// Define VIC control register
VIC_base         EQU  0xFFFF0000
VIC_SCR15        EQU  0x003c
VIC_SVR15        EQU  0x00bc
VIC_SCR16        EQU  0x0040
VIC_SVR16        EQU  0x00c0
VIC_SCR30        EQU  0x0078
VIC_SVR30        EQU  0x00f8
VIC_MECR         EQU  0x0318
VIC_MDCR         EQU  0x031c
VIC_EOSCR        EQU  0x0130

;//==================================
INT_BA_base      EQU  0x50000300

;// Parameter table
ADC_PDMA_CFG     EQU  0x00002980  
ADC_PDMA_DST     EQU  0xC0000000
ADC_PDMA_SRC     EQU  0xE0024200
ADC_PDMA_TCBL    EQU  0x00030008

;//==================================

GPIO_base        EQU  0x50004000
GPIOB_PMD        EQU  0x0040
GPIOB_OFFD       EQU  0x0044
GPIOB_DOUT       EQU  0x0048
GPIOB_DMASK      EQU  0x004C
GPIOB_PIN        EQU  0x0050
GPIOB_DBEN       EQU  0x0054
GPIOB_IMD        EQU  0x0058
GPIOB_IEN        EQU  0x005C
GPIOB_ISRC       EQU  0x0060

;//==================================


GCR_base         EQU  0x50000000
GPB_MFP          EQU  0x0034

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

Stack_Size      EQU     0x00000200

                AREA    STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem       SPACE   Stack_Size
__initial_sp

Heap_Size       EQU     0x00000000

                AREA    HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem        SPACE   Heap_Size
__heap_limit


                PRESERVE8
                THUMB

				IMPORT rt_hw_hard_fault
				IMPORT rt_hw_pend_sv
				IMPORT rt_hw_timer_handler

; Vector Table Mapped to Address 0 at Reset
                AREA    RESET, DATA, READONLY
                EXPORT  __Vectors

__Vectors       DCD     __initial_sp              ; Top of Stack
                DCD     Reset_Handler             ; Reset Handler
                DCD     NMI_Handler               ; NMI Handler
                DCD     rt_hw_hard_fault          ; Hard Fault Handler
                DCD     0                         ; Reserved
                DCD     0                         ; Reserved
                DCD     0                         ; Reserved
                DCD     0                         ; Reserved
                DCD     0                         ; Reserved
                DCD     0                         ; Reserved
                DCD     0                         ; Reserved
                DCD     SVC_Handler               ; SVCall Handler
                DCD     0                         ; Reserved
                DCD     0                         ; Reserved
                DCD     rt_hw_pend_sv             ; PendSV Handler
                DCD     rt_hw_timer_handler       ; SysTick Handler

                ; External Interrupts
                                                  ; maximum of 32 External Interrupts are possible
                DCD     BOD_IRQHandler  
                DCD     WDT_IRQHandler  
                DCD     EINT0_IRQHandler
                DCD     EINT1_IRQHandler
                DCD     GPAB_IRQHandler 
                DCD     GPCDE_IRQHandler
                DCD     PWMA_IRQHandler 
                DCD     PWMB_IRQHandler 
                DCD     TMR0_IRQHandler 
                DCD     TMR1_IRQHandler 
                DCD     TMR2_IRQHandler 
                DCD     TMR3_IRQHandler 
                DCD     UART0_IRQHandler
                DCD     UART1_IRQHandler
                DCD     SPI0_IRQHandler 
                DCD     SPI1_IRQHandler 
                DCD     SPI2_IRQHandler 
                DCD     SPI3_IRQHandler 
                DCD     I2C0_IRQHandler 
                DCD     I2C1_IRQHandler 
                DCD     CAN0_IRQHandler 
                DCD     CAN1_IRQHandler
                DCD     Default_Handler 
                DCD     USBD_IRQHandler  
                DCD     PS2_IRQHandler  
                DCD     ACMP_IRQHandler 
                DCD     PDMA_IRQHandler
                DCD     Default_Handler 
                DCD     PWRWU_IRQHandler
                DCD     ADC_IRQHandler
                DCD     Default_Handler  
                DCD     RTC_IRQHandler  
                
                
                
                
                
                
                
                AREA    |.text|, CODE, READONLY
                
                
                
; Reset Handler 
                
                ENTRY
                
Reset_Handler   PROC
                EXPORT  Reset_Handler             [WEAK]
                IMPORT  __main
                
                LDR     R0, =__main
                BX      R0
                ENDP
                
                
; Dummy Exception Handlers (infinite loops which can be modified)                
                
NMI_Handler     PROC
                EXPORT  NMI_Handler               [WEAK]
                B       .
                ENDP
SVC_Handler     PROC
                EXPORT  SVC_Handler               [WEAK]
                B       .
                ENDP

Default_Handler PROC

                EXPORT  BOD_IRQHandler            [WEAK]
                EXPORT  WDT_IRQHandler            [WEAK]
                EXPORT  EINT0_IRQHandler          [WEAK]
                EXPORT  EINT1_IRQHandler          [WEAK]
                EXPORT  GPAB_IRQHandler           [WEAK]
                EXPORT  GPCDE_IRQHandler          [WEAK]
                EXPORT  PWMA_IRQHandler           [WEAK]
                EXPORT  PWMB_IRQHandler           [WEAK]
                EXPORT  TMR0_IRQHandler           [WEAK]
                EXPORT  TMR1_IRQHandler           [WEAK]
                EXPORT  TMR2_IRQHandler           [WEAK]
                EXPORT  TMR3_IRQHandler           [WEAK]
                EXPORT  UART0_IRQHandler          [WEAK]
                EXPORT  UART1_IRQHandler          [WEAK]
                EXPORT  SPI0_IRQHandler           [WEAK]
                EXPORT  SPI1_IRQHandler           [WEAK]
                EXPORT  SPI2_IRQHandler           [WEAK]
                EXPORT  SPI3_IRQHandler           [WEAK]
                EXPORT  I2C0_IRQHandler           [WEAK]
                EXPORT  I2C1_IRQHandler           [WEAK]
                EXPORT  CAN0_IRQHandler           [WEAK]
                EXPORT  CAN1_IRQHandler           [WEAK]
                EXPORT  USBD_IRQHandler           [WEAK]
                EXPORT  PS2_IRQHandler            [WEAK]
                EXPORT  ACMP_IRQHandler           [WEAK]
                EXPORT  PDMA_IRQHandler           [WEAK]
                EXPORT  PWRWU_IRQHandler          [WEAK]
                EXPORT  ADC_IRQHandler            [WEAK]
                EXPORT  RTC_IRQHandler            [WEAK]
                
BOD_IRQHandler
WDT_IRQHandler
EINT0_IRQHandler
EINT1_IRQHandler
GPAB_IRQHandler
GPCDE_IRQHandler
PWMA_IRQHandler
PWMB_IRQHandler
TMR0_IRQHandler
TMR1_IRQHandler
TMR2_IRQHandler
TMR3_IRQHandler
UART0_IRQHandler
UART1_IRQHandler
SPI0_IRQHandler
SPI1_IRQHandler
SPI2_IRQHandler
SPI3_IRQHandler
I2C0_IRQHandler
I2C1_IRQHandler
CAN0_IRQHandler
CAN1_IRQHandler
USBD_IRQHandler
PS2_IRQHandler
ACMP_IRQHandler
PDMA_IRQHandler
PWRWU_IRQHandler
ADC_IRQHandler
RTC_IRQHandler
                B       .
                ENDP


                ALIGN


; User Initial Stack & Heap

                IF      :DEF:__MICROLIB
                
                EXPORT  __initial_sp
                EXPORT  __heap_base
                EXPORT  __heap_limit
                
                ELSE
                
                IMPORT  __use_two_region_memory
                EXPORT  __user_initial_stackheap
__user_initial_stackheap

                LDR     R0, =  Heap_Mem
                LDR     R1, = (Stack_Mem + Stack_Size)
                LDR     R2, = (Heap_Mem +  Heap_Size)
                LDR     R3, = Stack_Mem
                BX      LR

                ALIGN

                ENDIF


                END