startup_LPC17xx.cpp

00001 extern "C" {
00002 
00003 #include "LPC17xx.h"
00004 
00005 #define WEAK          __attribute__ ((weak))
00006 #define ALIAS(f)      __attribute__ ((weak, alias (#f)))
00007 #define AFTER_VECTORS __attribute__ ((section(".after_vectors")))
00008 
00009 extern unsigned int __data_section_table;
00010 extern unsigned int __data_section_table_end;
00011 extern unsigned int __bss_section_table;
00012 extern unsigned int __bss_section_table_end;
00013 
00014 extern void __libc_init_array(void);
00015 extern int main(void);
00016 extern void _vStackTop(void);
00017 extern void (* const g_pfnVectors[])(void);
00018 
00019      void ResetISR          (void);
00020 WEAK void NMI_Handler       (void);
00021 WEAK void HardFault_Handler (void);
00022 WEAK void MemManage_Handler (void);
00023 WEAK void BusFault_Handler  (void);
00024 WEAK void UsageFault_Handler(void);
00025 WEAK void SVCall_Handler    (void);
00026 WEAK void DebugMon_Handler  (void);
00027 WEAK void PendSV_Handler    (void);
00028 WEAK void SysTick_Handler   (void);
00029 WEAK void IntDefaultHandler (void);
00030 
00031 void WDT_IRQHandler        (void) ALIAS(IntDefaultHandler);
00032 void TIMER0_IRQHandler     (void) ALIAS(IntDefaultHandler);
00033 void TIMER1_IRQHandler     (void) ALIAS(IntDefaultHandler);
00034 void TIMER2_IRQHandler     (void) ALIAS(IntDefaultHandler);
00035 void TIMER3_IRQHandler     (void) ALIAS(IntDefaultHandler);
00036 void UART0_IRQHandler      (void) ALIAS(IntDefaultHandler);
00037 void UART1_IRQHandler      (void) ALIAS(IntDefaultHandler);
00038 void UART2_IRQHandler      (void) ALIAS(IntDefaultHandler);
00039 void UART3_IRQHandler      (void) ALIAS(IntDefaultHandler);
00040 void PWM1_IRQHandler       (void) ALIAS(IntDefaultHandler);
00041 void I2C0_IRQHandler       (void) ALIAS(IntDefaultHandler);
00042 void I2C1_IRQHandler       (void) ALIAS(IntDefaultHandler);
00043 void I2C2_IRQHandler       (void) ALIAS(IntDefaultHandler);
00044 void SPI_IRQHandler        (void) ALIAS(IntDefaultHandler);
00045 void SSP0_IRQHandler       (void) ALIAS(IntDefaultHandler);
00046 void SSP1_IRQHandler       (void) ALIAS(IntDefaultHandler);
00047 void PLL0_IRQHandler       (void) ALIAS(IntDefaultHandler);
00048 void RTC_IRQHandler        (void) ALIAS(IntDefaultHandler);
00049 void EINT0_IRQHandler      (void) ALIAS(IntDefaultHandler);
00050 void EINT1_IRQHandler      (void) ALIAS(IntDefaultHandler);
00051 void EINT2_IRQHandler      (void) ALIAS(IntDefaultHandler);
00052 void EINT3_IRQHandler      (void) ALIAS(IntDefaultHandler);
00053 void ADC_IRQHandler        (void) ALIAS(IntDefaultHandler);
00054 void BOD_IRQHandler        (void) ALIAS(IntDefaultHandler);
00055 void USB_IRQHandler        (void) ALIAS(IntDefaultHandler);
00056 void CAN_IRQHandler        (void) ALIAS(IntDefaultHandler);
00057 void DMA_IRQHandler        (void) ALIAS(IntDefaultHandler);
00058 void I2S_IRQHandler        (void) ALIAS(IntDefaultHandler);
00059 void ENET_IRQHandler       (void) ALIAS(IntDefaultHandler);
00060 void RIT_IRQHandler        (void) ALIAS(IntDefaultHandler);
00061 void MCPWM_IRQHandler      (void) ALIAS(IntDefaultHandler);
00062 void QEI_IRQHandler        (void) ALIAS(IntDefaultHandler);
00063 void PLL1_IRQHandler       (void) ALIAS(IntDefaultHandler);
00064 void USBActivity_IRQHandler(void) ALIAS(IntDefaultHandler);
00065 void CANActivity_IRQHandler(void) ALIAS(IntDefaultHandler);
00066 
00067 __attribute__ ((section(".isr_vector")))
00068 void (* const g_pfnVectors[])(void) = {
00069     &_vStackTop, ResetISR, NMI_Handler,
00070     HardFault_Handler,
00071     MemManage_Handler,
00072     BusFault_Handler,
00073     UsageFault_Handler,
00074     0,
00075     0,
00076     0,
00077     0,
00078     SVCall_Handler,
00079     DebugMon_Handler,
00080     0,
00081     PendSV_Handler,
00082     SysTick_Handler,
00083     WDT_IRQHandler,
00084     TIMER0_IRQHandler,
00085     TIMER1_IRQHandler,
00086     TIMER2_IRQHandler,
00087     TIMER3_IRQHandler,
00088     UART0_IRQHandler,
00089     UART1_IRQHandler,
00090     UART2_IRQHandler,
00091     UART3_IRQHandler,
00092     PWM1_IRQHandler,
00093     I2C0_IRQHandler,
00094     I2C1_IRQHandler,
00095     I2C2_IRQHandler,
00096     SPI_IRQHandler,
00097     SSP0_IRQHandler,
00098     SSP1_IRQHandler,
00099     PLL0_IRQHandler,
00100     RTC_IRQHandler,
00101     EINT0_IRQHandler,
00102     EINT1_IRQHandler,
00103     EINT2_IRQHandler,
00104     EINT3_IRQHandler,
00105     ADC_IRQHandler,
00106     BOD_IRQHandler,
00107     USB_IRQHandler,
00108     CAN_IRQHandler,
00109     DMA_IRQHandler,
00110     I2S_IRQHandler,
00111     ENET_IRQHandler,
00112     RIT_IRQHandler,
00113     MCPWM_IRQHandler,
00114     QEI_IRQHandler,
00115     PLL1_IRQHandler,
00116     USBActivity_IRQHandler,
00117     CANActivity_IRQHandler,
00118 };
00119 
00120 AFTER_VECTORS void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
00121     unsigned int *pulDest = (unsigned int*) start;
00122     unsigned int *pulSrc = (unsigned int*) romstart;
00123     unsigned int loop;
00124     for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++;
00125 }
00126 
00127 AFTER_VECTORS void bss_init(unsigned int start, unsigned int len) {
00128     unsigned int *pulDest = (unsigned int*) start;
00129     unsigned int loop;
00130     for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0;
00131 }
00132 
00133 AFTER_VECTORS void ResetISR(void) {
00134     unsigned int LoadAddr, ExeAddr, SectionLen;
00135     unsigned int *SectionTableAddr;
00136     
00137     SectionTableAddr = &__data_section_table;
00138     
00139     while (SectionTableAddr < &__data_section_table_end) {
00140         LoadAddr = *SectionTableAddr++;
00141         ExeAddr = *SectionTableAddr++;
00142         SectionLen = *SectionTableAddr++;
00143         data_init(LoadAddr, ExeAddr, SectionLen);
00144     }
00145     while (SectionTableAddr < &__bss_section_table_end) {
00146         ExeAddr = *SectionTableAddr++;
00147         SectionLen = *SectionTableAddr++;
00148         bss_init(ExeAddr, SectionLen);
00149     }
00150     
00151     SystemInit();
00152     __libc_init_array();
00153     main();
00154     while (1) {;}
00155 }
00156 
00157 AFTER_VECTORS void NMI_Handler       (void) {}
00158 AFTER_VECTORS void HardFault_Handler (void) {}
00159 AFTER_VECTORS void MemManage_Handler (void) {}
00160 AFTER_VECTORS void BusFault_Handler  (void) {}
00161 AFTER_VECTORS void UsageFault_Handler(void) {}
00162 AFTER_VECTORS void SVCall_Handler    (void) {}
00163 AFTER_VECTORS void DebugMon_Handler  (void) {}
00164 AFTER_VECTORS void PendSV_Handler    (void) {}
00165 AFTER_VECTORS void SysTick_Handler   (void) {}
00166 AFTER_VECTORS void IntDefaultHandler (void) {}
00167 
00168 int __aeabi_atexit(void *object, void (*destructor)(void *), void *dso_handle) {return 0;}
00169 }
00170 
00171 #include <stdlib.h>
00172 
00173 void *operator new(size_t size)  {return malloc(size);}
00174 void *operator new[](size_t size){return malloc(size);}
00175 
00176 void operator delete(void *p)   {free(p);}
00177 void operator delete[](void *p) {free(p);}