;/*!
;    \file    startup_gd32f30x_cl.S
;    \brief   start up file
;
;    \version 2018-10-10, V1.1.0, firmware for GD32F30x(The version is for mbed)
;*/
;
;/*
;    Copyright (c) 2018, GigaDevice Semiconductor Inc.
;
;    All rights reserved.
;
;    Redistribution and use in source and binary forms, with or without modification, 
;are permitted provided that the following conditions are met:
;
;    1. Redistributions of source code must retain the above copyright notice, this 
;       list of conditions and the following disclaimer.
;    2. Redistributions in binary form must reproduce the above copyright notice, 
;       this list of conditions and the following disclaimer in the documentation 
;       and/or other materials provided with the distribution.
;    3. Neither the name of the copyright holder nor the names of its contributors 
;       may be used to endorse or promote products derived from this software without 
;       specific prior written permission.
;
;    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
;AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
;WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
;IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
;INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
;NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
;PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
;WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
;ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
;OF SUCH DAMAGE.
;*/
 
.syntax unified
.cpu cortex-m4
.fpu softvfp
.thumb

.global VecTab
.global Default_Handler

/* start address of the initialization .data */
.word _sidata
/* start address of the .data section */ 
.word _sdata
/* end address of the .data section */
.word _edata

/* reset Handler */
  .section .text.Reset_Handler
  .weak Reset_Handler
  .type Reset_Handler, %function
Reset_Handler:
  ldr   r0, =_estack
  mov   sp, r0          /* set stack pointer */

/* copy the data segment into RAM */
  movs r1, #0
  b DataInit

CopyData:
  ldr r3, =_sidata
  ldr r3, [r3, r1]
  str r3, [r0, r1]
  adds r1, r1, #4

DataInit:
  ldr r0, =_sdata
  ldr r3, =_edata
  adds r2, r0, r1
  cmp r2, r3
  bcc CopyData

/* system clock intitialization*/
    bl  SystemInit
/* static constructors */
//  bl __libc_init_array
/* jump to application's entry point */
//  bl  main
  bl _start
/* infinite loop */
  b .


.size Reset_Handler, .-Reset_Handler

    .section .text.Default_Handler,"ax",%progbits
Default_Handler:
/* infinite loop */
  b .
  .size Default_Handler, .-Default_Handler

  .section .isr_vector,"a",%progbits
  .type VecTab, %object
  .size VecTab, .-VecTab


VecTab:

                    .word _estack                           /* Top of Stack */
                    .word Reset_Handler                     /* 1,Reset Handler */
                    .word NMI_Handler                       /* 2,NMI Handler */
                    .word HardFault_Handler                 /* 3,Hard Fault Handler */
                    .word MemManage_Handler                 /* 4,MPU Fault Handler */
                    .word BusFault_Handler                  /* 5,Bus Fault Handler */
                    .word UsageFault_Handler                /* 6,Usage Fault Handler */
                    .word 0                                 /* Reserved  */
                    .word 0                                 /* Reserved */
                    .word 0                                 /* Reserved */
                    .word 0                                 /* Reserved */
                    .word SVC_Handler                       /* 11,SVCall Handler */
                    .word DebugMon_Handler                  /* 12,Debug Monitor Handler */
                    .word 0                                 /* Reserved */
                    .word PendSV_Handler                    /* 14,PendSV Handler */
                    .word SysTick_Handler                   /* 15,SysTick Handler */
                    /* External Interrupts */
                    .word WWDGT_IRQHandler                  /* 16,Window Watchdog Timer */
                    .word LVD_IRQHandler                    /* 17,LVD through EXTI Line detect */
                    .word TAMPER_IRQHandler                 /* 18,Tamper through EXTI Line detect */
                    .word RTC_IRQHandler                    /* 19,RTC through EXTI Line */
                    .word FMC_IRQHandler                    /* 20,FMC */
                    .word RCU_CTC_IRQHandler                /* 21,RCU and CTC */
                    .word EXTI0_IRQHandler                  /* 22,EXTI Line 0 */
                    .word EXTI1_IRQHandler                  /* 23,EXTI Line 1 */
                    .word EXTI2_IRQHandler                  /* 24,EXTI Line 2 */
                    .word EXTI3_IRQHandler                  /* 25,EXTI Line 3 */
                    .word EXTI4_IRQHandler                  /* 26,EXTI Line 4 */
                    .word DMA0_Channel0_IRQHandler          /* 27,DMA0 Channel 0 */
                    .word DMA0_Channel1_IRQHandler          /* 28,DMA0 Channel 1 */
                    .word DMA0_Channel2_IRQHandler          /* 29,DMA0 Channel 2 */
                    .word DMA0_Channel3_IRQHandler          /* 30,DMA0 Channel 3 */
                    .word DMA0_Channel4_IRQHandler          /* 31,DMA0 Channel 4 */
                    .word DMA0_Channel5_IRQHandler          /* 32,DMA0 Channel 5 */
                    .word DMA0_Channel6_IRQHandler          /* 33,DMA0 Channel 6 */
                    .word ADC0_1_IRQHandler                 /* 34,ADC0 and ADC1 */
                    .word CAN0_TX_IRQHandler                /* 35,CAN0 TX  */
                    .word CAN0_RX0_IRQHandler               /* 36,CAN0 RX0  */
                    .word CAN0_RX1_IRQHandler               /* 37,CAN0 RX1  */
                    .word CAN0_EWMC_IRQHandler              /* 38,CAN0 EWMC  */
                    .word EXTI5_9_IRQHandler                /* 39,EXTI5 to EXTI9 */
                    .word TIMER0_BRK_TIMER8_IRQHandler      /* 40,TIMER0 Break and TIMER8 */
                    .word TIMER0_UP_TIMER9_IRQHandler       /* 41,TIMER0 Update and TIMER9  */
                    .word TIMER0_TRG_CMT_TIMER10_IRQHandler /* 42,TIMER0 Trigger and Commutation and TIMER10  */
                    .word TIMER0_Channel_IRQHandler         /* 43,TIMER0 Channel Capture Compare */
                    .word TIMER1_IRQHandler                 /* 44,TIMER4 */
                    .word TIMER2_IRQHandler                 /* 45,TIMER2 */
                    .word TIMER3_IRQHandler                 /* 46,TIMER3 */
                    .word I2C0_EV_IRQHandler                /* 47,I2C0 Event */
                    .word I2C0_ER_IRQHandler                /* 48,I2C0 Error */
                    .word I2C1_EV_IRQHandler                /* 49,I2C1 Event */
                    .word I2C1_ER_IRQHandler                /* 50,I2C1 Error */
                    .word SPI0_IRQHandler                   /* 51,SPI0 */
                    .word SPI1_IRQHandler                   /* 52,SPI1 */
                    .word USART0_IRQHandler                 /* 53,USART0 */
                    .word USART1_IRQHandler                 /* 54,USART1 */
                    .word USART2_IRQHandler                 /* 55,USART2 */
                    .word EXTI10_15_IRQHandler              /* 56,EXTI10 to EXTI15 */
                    .word RTC_Alarm_IRQHandler              /* 57,RTC Alarm */
                    .word USBFS_WKUP_IRQHandler             /* 58,USBFS Wakeup */
                    .word TIMER7_BRK_TIMER11_IRQHandler     /* 59,TIMER7 Break and TIMER11 */
                    .word TIMER7_UP_TIMER12_IRQHandler      /* 60:TIMER7 Update and TIMER12 */
                    .word TIMER7_TRG_CMT_TIMER13_IRQHandler /* 61:TIMER7 Trigger and Commutation and TIMER13 */
                    .word TIMER7_Channel_IRQHandler         /* 62,TIMER7 Capture Compare */ 
                    .word 0                                 /* Reserved */
                    .word EXMC_IRQHandler                   /* 64,EXMC */
                    .word 0                                 /* Reserved */
                    .word TIMER4_IRQHandler                 /* 66,TIMER4 */
                    .word SPI2_IRQHandler                   /* 67,SPI2 */
                    .word UART3_IRQHandler                  /* 68,UART3 */
                    .word UART4_IRQHandler                  /* 69,UART4 */
                    .word TIMER5_IRQHandler                 /* 70,TIMER5 */
                    .word TIMER6_IRQHandler                 /* 71,TIMER6 */
                    .word DMA1_Channel0_IRQHandler          /* 72,DMA1 Channel0 */
                    .word DMA1_Channel1_IRQHandler          /* 73,DMA1 Channel1 */
                    .word DMA1_Channel2_IRQHandler          /* 74,DMA1 Channel2 */
                    .word DMA1_Channel3_IRQHandler          /* 75,DMA1 Channel3 */
                    .word DMA1_Channel4_IRQHandler          /* 76,DMA1 Channel4 */
                    .word ENET_IRQHandler                   /* 77,Ethernet */
                    .word ENET_WKUP_IRQHandler              /* 78,Ethernet Wakeup through EXTI line */
                    .word CAN1_TX_IRQHandler                /* 79,CAN1 TX */
                    .word CAN1_RX0_IRQHandler               /* 80,CAN1 RX0 */
                    .word CAN1_RX1_IRQHandler               /* 81,CAN1 RX1 */
                    .word CAN1_EWMC_IRQHandler              /* 82,CAN1 EWMC */
                    .word USBFS_IRQHandler                  /* 83,USBFS */

/* dummy Exception Handlers */  
  .weak NMI_Handler
  .thumb_set NMI_Handler,Default_Handler

  .weak HardFault_Handler
  .thumb_set HardFault_Handler,Default_Handler

  .weak MemManage_Handler
  .thumb_set MemManage_Handler,Default_Handler

  .weak BusFault_Handler
  .thumb_set BusFault_Handler,Default_Handler
  
  .weak UsageFault_Handler
  .thumb_set UsageFault_Handler,Default_Handler
  
  .weak SVC_Handler
  .thumb_set SVC_Handler,Default_Handler
  
  .weak DebugMon_Handler
  .thumb_set DebugMon_Handler,Default_Handler
  
  .weak PendSV_Handler
  .thumb_set PendSV_Handler,Default_Handler

  .weak SysTick_Handler
  .thumb_set SysTick_Handler,Default_Handler

  .weak WWDGT_IRQHandler
  .thumb_set WWDG_IRQHandler,Default_Handler

  .weak LVD_IRQHandler
  .thumb_set LVD_IRQHandler,Default_Handler

  .weak TAMPER_IRQHandler
  .thumb_set TAMPER_IRQHandler,Default_Handler
  
  .weak RTC_IRQHandler
  .thumb_set RTC_IRQHandler,Default_Handler
  
  .weak FMC_IRQHandler
  .thumb_set FMC_IRQHandler,Default_Handler

  .weak RCU_CTC_IRQHandler
  .thumb_set RCU_CTC_IRQHandler,Default_Handler
  
  .weak EXTI0_IRQHandler
  .thumb_set EXTI0_IRQHandler,Default_Handler

  .weak EXTI1_IRQHandler
  .thumb_set EXTI1_IRQHandler,Default_Handler

  .weak EXTI2_IRQHandler
  .thumb_set EXTI2_IRQHandler,Default_Handler

  .weak EXTI3_IRQHandler
  .thumb_set EXTI3_IRQHandler,Default_Handler

  .weak EXTI4_IRQHandler
  .thumb_set EXTI4_IRQHandler,Default_Handler

  .weak DMA0_Channel0_IRQHandler
  .thumb_set DMA0_Channel0_IRQHandler,Default_Handler

  .weak DMA0_Channel1_IRQHandler
  .thumb_set DMA0_Channel1_IRQHandler,Default_Handler

  .weak DMA0_Channel2_IRQHandler
  .thumb_set DMA0_Channel2_IRQHandler,Default_Handler

  .weak DMA0_Channel3_IRQHandler
  .thumb_set DMA0_Channel3_IRQHandler,Default_Handler

  .weak DMA0_Channel4_IRQHandler
  .thumb_set DMA0_Channel4_IRQHandler,Default_Handler

  .weak DMA0_Channel5_IRQHandler
  .thumb_set DMA0_Channel5_IRQHandler,Default_Handler

  .weak DMA0_Channel6_IRQHandler
  .thumb_set DMA0_Channel6_IRQHandler,Default_Handler
 
  .weak ADC0_1_IRQHandler
  .thumb_set ADC0_1_IRQHandler,Default_Handler

  .weak CAN0_TX_IRQHandler
  .thumb_set CAN0_TX_IRQHandler,Default_Handler

  .weak CAN0_RX0_IRQHandler
  .thumb_set CAN0_RX0_IRQHandler,Default_Handler

  .weak CAN0_RX1_IRQHandler
  .thumb_set CAN0_RX1_IRQHandler,Default_Handler

  .weak CAN0_EWMC_IRQHandler
  .thumb_set CAN0_EWMC_IRQHandler,Default_Handler

  .weak EXTI5_9_IRQHandler
  .thumb_set EXTI5_9_IRQHandler,Default_Handler

  .weak TIMER0_BRK_TIMER8_IRQHandler
  .thumb_set TIMER0_BRK_TIMER8_IRQHandler,Default_Handler

  .weak TIMER0_UP_TIMER9_IRQHandler
  .thumb_set TIMER0_UP_TIMER9_IRQHandler,Default_Handler

  .weak TIMER0_TRG_CMT_TIMER10_IRQHandler
  .thumb_set TIMER0_TRG_CMT_TIMER10_IRQHandler,Default_Handler

  .weak TIMER0_Channel_IRQHandler
  .thumb_set TIMER0_Channel_IRQHandler,Default_Handler
  
  .weak TIMER1_IRQHandler
  .thumb_set TIMER1_IRQHandler,Default_Handler
  
  .weak TIMER2_IRQHandler
  .thumb_set TIMER2_IRQHandler,Default_Handler

  .weak TIMER3_IRQHandler
  .thumb_set TIMER3_IRQHandler,Default_Handler
  
  .weak I2C0_EV_IRQHandler
  .thumb_set I2C0_EV_IRQHandler,Default_Handler

  .weak I2C0_ER_IRQHandler
  .thumb_set I2C0_ER_IRQHandler,Default_Handler
  
  .weak I2C1_EV_IRQHandler
  .thumb_set I2C1_EV_IRQHandler,Default_Handler

  .weak I2C1_ER_IRQHandler
  .thumb_set I2C1_ER_IRQHandler,Default_Handler
  
  .weak SPI0_IRQHandler
  .thumb_set SPI0_IRQHandler,Default_Handler
  
  .weak SPI1_IRQHandler
  .thumb_set SPI1_IRQHandler,Default_Handler
  
  .weak USART0_IRQHandler
  .thumb_set USART0_IRQHandler,Default_Handler
  
  .weak USART1_IRQHandler
  .thumb_set USART1_IRQHandler,Default_Handler

  .weak USART2_IRQHandler
  .thumb_set USART2_IRQHandler,Default_Handler

  .weak EXTI10_15_IRQHandler
  .thumb_set EXTI10_15_IRQHandler,Default_Handler
  
  .weak RTC_Alarm_IRQHandler
  .thumb_set RTC_Alarm_IRQHandler,Default_Handler

  .weak USBFS_WKUP_IRQHandler 
  .thumb_set USBFS_WKUP_IRQHandler,Default_Handler
  
  .weak TIMER7_BRK_TIMER11_IRQHandler
  .thumb_set TIMER7_BRK_TIMER11_IRQHandler,Default_Handler
  
  .weak TIMER7_UP_TIMER12_IRQHandler
  .thumb_set TIMER7_UP_TIMER12_IRQHandler,Default_Handler
  
  .weak TIMER7_TRG_CMT_TIMER13_IRQHandler
  .thumb_set TIMER7_TRG_CMT_TIMER13_IRQHandler,Default_Handler
  
  .weak TIMER7_Channel_IRQHandler
  .thumb_set TIMER7_Channel_IRQHandler,Default_Handler

  .weak EXMC_IRQHandler
  .thumb_set EXMC_IRQHandler,Default_Handler

  .weak TIMER4_IRQHandler
  .thumb_set TIMER4_IRQHandler,Default_Handler

  .weak SPI2_IRQHandler
  .thumb_set SPI2_IRQHandler,Default_Handler

  .weak UART3_IRQHandler
  .thumb_set UART3_IRQHandler,Default_Handler
  
  .weak UART4_IRQHandler
  .thumb_set UART4_IRQHandler,Default_Handler

  .weak TIMER5_IRQHandler
  .thumb_set TIMER5_IRQHandler,Default_Handler

  .weak TIMER6_IRQHandler
  .thumb_set TIMER6_IRQHandler,Default_Handler

  .weak DMA1_Channel0_IRQHandler
  .thumb_set DMA1_Channel0_IRQHandler,Default_Handler

  .weak DMA1_Channel1_IRQHandler
  .thumb_set DMA1_Channel1_IRQHandler,Default_Handler

  .weak DMA1_Channel2_IRQHandler
  .thumb_set DMA1_Channel2_IRQHandler,Default_Handler

  .weak DMA1_Channel3_IRQHandler
  .thumb_set DMA1_Channel3_IRQHandler,Default_Handler

  .weak DMA1_Channel4_IRQHandler
  .thumb_set DMA1_Channel4_IRQHandler,Default_Handler

  .weak ENET_IRQHandler
  .thumb_set ENET_IRQHandler,Default_Handler

  .weak ENET_WKUP_IRQHandler
  .thumb_set ENET_WKUP_IRQHandler,Default_Handler

  .weak CAN1_TX_IRQHandler
  .thumb_set CAN1_TX_IRQHandler,Default_Handler

  .weak CAN1_RX0_IRQHandler
  .thumb_set CAN1_RX0_IRQHandler,Default_Handler

  .weak CAN1_RX1_IRQHandler
  .thumb_set CAN1_RX1_IRQHandler,Default_Handler

  .weak CAN1_EWMC_IRQHandler
  .thumb_set CAN1_EWMC_IRQHandler,Default_Handler

  .weak USBFS_IRQHandler
  .thumb_set USBFS_IRQHandler,Default_Handler