Piyamate Wisanuvej / mbed-src-overclock

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-src by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC11U6X/TOOLCHAIN_GCC_CR/TARGET_LPC11U68/startup_LPC11U68.cpp@246:15713155d815, 2014-07-01 (annotated)

Committer:
piyamate
Date:
Tue Jul 01 00:03:52 2014 +0000
Revision:
246:15713155d815
Parent:
232:1e593fe58241 
Overclock K64F to 128.125MHz

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 232:1e593fe58241 1 extern "C" {
mbed_official 232:1e593fe58241 2
mbed_official 232:1e593fe58241 3 #include "LPC11U6x.h"
mbed_official 232:1e593fe58241 4 #define WEAK __attribute__ ((weak))
mbed_official 232:1e593fe58241 5 #define ALIAS(f) __attribute__ ((weak, alias (#f)))
mbed_official 232:1e593fe58241 6 #define AFTER_VECTORS __attribute__ ((section(".after_vectors")))void ResetISR(void);
mbed_official 232:1e593fe58241 7
mbed_official 232:1e593fe58241 8 // Patch the AEABI integer divide functions to use MCU's romdivide library
mbed_official 232:1e593fe58241 9 #ifdef __USE_ROMDIVIDE
mbed_official 232:1e593fe58241 10 // Location in memory that holds the address of the ROM Driver table
mbed_official 232:1e593fe58241 11 #define PTR_ROM_DRIVER_TABLE ((unsigned int *)(0x1FFF1FF8))
mbed_official 232:1e593fe58241 12 // Variables to store addresses of idiv and udiv functions within MCU ROM
mbed_official 232:1e593fe58241 13 unsigned int *pDivRom_idiv;
mbed_official 232:1e593fe58241 14 unsigned int *pDivRom_uidiv;
mbed_official 232:1e593fe58241 15 #endif
mbed_official 232:1e593fe58241 16
mbed_official 232:1e593fe58241 17
mbed_official 232:1e593fe58241 18 extern unsigned int __data_section_table;
mbed_official 232:1e593fe58241 19 extern unsigned int __data_section_table_end;
mbed_official 232:1e593fe58241 20 extern unsigned int __bss_section_table;
mbed_official 232:1e593fe58241 21 extern unsigned int __bss_section_table_end;
mbed_official 232:1e593fe58241 22
mbed_official 232:1e593fe58241 23
mbed_official 232:1e593fe58241 24 extern void __libc_init_array(void);
mbed_official 232:1e593fe58241 25 extern int main(void);
mbed_official 232:1e593fe58241 26 extern void _vStackTop(void);
mbed_official 232:1e593fe58241 27 extern void (* const g_pfnVectors[])(void);
mbed_official 232:1e593fe58241 28
mbed_official 232:1e593fe58241 29 void ResetISR(void);
mbed_official 232:1e593fe58241 30 WEAK void NMI_Handler(void);
mbed_official 232:1e593fe58241 31 WEAK void HardFault_Handler(void);
mbed_official 232:1e593fe58241 32 WEAK void SVC_Handler(void);
mbed_official 232:1e593fe58241 33 WEAK void PendSV_Handler(void);
mbed_official 232:1e593fe58241 34 WEAK void SysTick_Handler(void);
mbed_official 232:1e593fe58241 35 WEAK void IntDefaultHandler(void);
mbed_official 232:1e593fe58241 36
mbed_official 232:1e593fe58241 37 void PIN_INT0_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 38 void PIN_INT1_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 39 void PIN_INT2_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 40 void PIN_INT3_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 41 void PIN_INT4_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 42 void PIN_INT5_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 43 void PIN_INT6_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 44 void PIN_INT7_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 45 void GINT0_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 46 void GINT1_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 47 void I2C1_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 48 void USART1_4_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 49 void USART2_3_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 50 void SCT0_1_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 51 void SSP1_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 52 void I2C0_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 53 void TIMER16_0_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 54 void TIMER16_1_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 55 void TIMER32_0_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 56 void TIMER32_1_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 57 void SSP0_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 58 void USART0_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 59 void USB_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 60 void USB_FIQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 61 void ADCA_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 62 void RTC_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 63 void BOD_WDT_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 64 void FMC_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 65 void DMA_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 66 void ADCB_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 67 void USBWakeup_IRQHandler (void) ALIAS(IntDefaultHandler);
mbed_official 232:1e593fe58241 68
mbed_official 232:1e593fe58241 69 __attribute__ ((section(".isr_vector")))
mbed_official 232:1e593fe58241 70 void (* const g_pfnVectors[])(void) = {
mbed_official 232:1e593fe58241 71 // Core Level - CM0
mbed_official 232:1e593fe58241 72 &_vStackTop, // The initial stack pointer
mbed_official 232:1e593fe58241 73 ResetISR, // The reset handler
mbed_official 232:1e593fe58241 74 NMI_Handler, // The NMI handler
mbed_official 232:1e593fe58241 75 HardFault_Handler, // The hard fault handler
mbed_official 232:1e593fe58241 76 0, // Reserved
mbed_official 232:1e593fe58241 77 0, // Reserved
mbed_official 232:1e593fe58241 78 0, // Reserved
mbed_official 232:1e593fe58241 79 0, // Reserved
mbed_official 232:1e593fe58241 80 0, // Reserved
mbed_official 232:1e593fe58241 81 0, // Reserved
mbed_official 232:1e593fe58241 82 0, // Reserved
mbed_official 232:1e593fe58241 83 SVC_Handler, // SVCall handler
mbed_official 232:1e593fe58241 84 0, // Reserved
mbed_official 232:1e593fe58241 85 0, // Reserved
mbed_official 232:1e593fe58241 86 PendSV_Handler, // The PendSV handler
mbed_official 232:1e593fe58241 87 SysTick_Handler, // The SysTick handler
mbed_official 232:1e593fe58241 88
mbed_official 232:1e593fe58241 89 // Chip Level - LPC11U68
mbed_official 232:1e593fe58241 90 PIN_INT0_IRQHandler, // 0 - GPIO pin interrupt 0
mbed_official 232:1e593fe58241 91 PIN_INT1_IRQHandler, // 1 - GPIO pin interrupt 1
mbed_official 232:1e593fe58241 92 PIN_INT2_IRQHandler, // 2 - GPIO pin interrupt 2
mbed_official 232:1e593fe58241 93 PIN_INT3_IRQHandler, // 3 - GPIO pin interrupt 3
mbed_official 232:1e593fe58241 94 PIN_INT4_IRQHandler, // 4 - GPIO pin interrupt 4
mbed_official 232:1e593fe58241 95 PIN_INT5_IRQHandler, // 5 - GPIO pin interrupt 5
mbed_official 232:1e593fe58241 96 PIN_INT6_IRQHandler, // 6 - GPIO pin interrupt 6
mbed_official 232:1e593fe58241 97 PIN_INT7_IRQHandler, // 7 - GPIO pin interrupt 7
mbed_official 232:1e593fe58241 98 GINT0_IRQHandler, // 8 - GPIO GROUP0 interrupt
mbed_official 232:1e593fe58241 99 GINT1_IRQHandler, // 9 - GPIO GROUP1 interrupt
mbed_official 232:1e593fe58241 100 I2C1_IRQHandler, // 10 - I2C1
mbed_official 232:1e593fe58241 101 USART1_4_IRQHandler, // 11 - combined USART1 & 4 interrupt
mbed_official 232:1e593fe58241 102 USART2_3_IRQHandler, // 12 - combined USART2 & 3 interrupt
mbed_official 232:1e593fe58241 103 SCT0_1_IRQHandler, // 13 - combined SCT0 and 1 interrupt
mbed_official 232:1e593fe58241 104 SSP1_IRQHandler, // 14 - SPI/SSP1 Interrupt
mbed_official 232:1e593fe58241 105 I2C0_IRQHandler, // 15 - I2C0
mbed_official 232:1e593fe58241 106 TIMER16_0_IRQHandler, // 16 - CT16B0 (16-bit Timer 0)
mbed_official 232:1e593fe58241 107 TIMER16_1_IRQHandler, // 17 - CT16B1 (16-bit Timer 1)
mbed_official 232:1e593fe58241 108 TIMER32_0_IRQHandler, // 18 - CT32B0 (32-bit Timer 0)
mbed_official 232:1e593fe58241 109 TIMER32_1_IRQHandler, // 19 - CT32B1 (32-bit Timer 1)
mbed_official 232:1e593fe58241 110 SSP0_IRQHandler, // 20 - SPI/SSP0 Interrupt
mbed_official 232:1e593fe58241 111 USART0_IRQHandler, // 21 - USART0
mbed_official 232:1e593fe58241 112 USB_IRQHandler, // 22 - USB IRQ
mbed_official 232:1e593fe58241 113 USB_FIQHandler, // 23 - USB FIQ
mbed_official 232:1e593fe58241 114 ADCA_IRQHandler, // 24 - ADC A(A/D Converter)
mbed_official 232:1e593fe58241 115 RTC_IRQHandler, // 25 - Real Time CLock interrpt
mbed_official 232:1e593fe58241 116 BOD_WDT_IRQHandler, // 25 - Combined Brownout/Watchdog interrupt
mbed_official 232:1e593fe58241 117 FMC_IRQHandler, // 27 - IP2111 Flash Memory Controller
mbed_official 232:1e593fe58241 118 DMA_IRQHandler, // 28 - DMA interrupt
mbed_official 232:1e593fe58241 119 ADCB_IRQHandler, // 24 - ADC B (A/D Converter)
mbed_official 232:1e593fe58241 120 USBWakeup_IRQHandler, // 30 - USB wake-up interrupt
mbed_official 232:1e593fe58241 121 0, // 31 - Reserved
mbed_official 232:1e593fe58241 122 };
mbed_official 232:1e593fe58241 123 /* End Vector */
mbed_official 232:1e593fe58241 124
mbed_official 232:1e593fe58241 125 AFTER_VECTORS void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
mbed_official 232:1e593fe58241 126 unsigned int *pulDest = (unsigned int*) start;
mbed_official 232:1e593fe58241 127 unsigned int *pulSrc = (unsigned int*) romstart;
mbed_official 232:1e593fe58241 128 unsigned int loop;
mbed_official 232:1e593fe58241 129 for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++;
mbed_official 232:1e593fe58241 130 }
mbed_official 232:1e593fe58241 131
mbed_official 232:1e593fe58241 132 AFTER_VECTORS void bss_init(unsigned int start, unsigned int len) {
mbed_official 232:1e593fe58241 133 unsigned int *pulDest = (unsigned int*) start;
mbed_official 232:1e593fe58241 134 unsigned int loop;
mbed_official 232:1e593fe58241 135 for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0;
mbed_official 232:1e593fe58241 136 }
mbed_official 232:1e593fe58241 137
mbed_official 232:1e593fe58241 138
mbed_official 232:1e593fe58241 139 /* Reset entry point*/
mbed_official 232:1e593fe58241 140 extern "C" void software_init_hook(void) __attribute__((weak));
mbed_official 232:1e593fe58241 141
mbed_official 232:1e593fe58241 142 AFTER_VECTORS void ResetISR(void) {
mbed_official 232:1e593fe58241 143 unsigned int LoadAddr, ExeAddr, SectionLen;
mbed_official 232:1e593fe58241 144 unsigned int *SectionTableAddr;
mbed_official 232:1e593fe58241 145
mbed_official 232:1e593fe58241 146 SectionTableAddr = &__data_section_table;
mbed_official 232:1e593fe58241 147
mbed_official 232:1e593fe58241 148 while (SectionTableAddr < &__data_section_table_end) {
mbed_official 232:1e593fe58241 149 LoadAddr = *SectionTableAddr++;
mbed_official 232:1e593fe58241 150 ExeAddr = *SectionTableAddr++;
mbed_official 232:1e593fe58241 151 SectionLen = *SectionTableAddr++;
mbed_official 232:1e593fe58241 152 data_init(LoadAddr, ExeAddr, SectionLen);
mbed_official 232:1e593fe58241 153 }
mbed_official 232:1e593fe58241 154 while (SectionTableAddr < &__bss_section_table_end) {
mbed_official 232:1e593fe58241 155 ExeAddr = *SectionTableAddr++;
mbed_official 232:1e593fe58241 156 SectionLen = *SectionTableAddr++;
mbed_official 232:1e593fe58241 157 bss_init(ExeAddr, SectionLen);
mbed_official 232:1e593fe58241 158 }
mbed_official 232:1e593fe58241 159
mbed_official 232:1e593fe58241 160 // Patch the AEABI integer divide functions to use MCU's romdivide library
mbed_official 232:1e593fe58241 161 #ifdef __USE_ROMDIVIDE
mbed_official 232:1e593fe58241 162 // Get address of Integer division routines function table in ROM
mbed_official 232:1e593fe58241 163 unsigned int *div_ptr = (unsigned int *)((unsigned int *)*(PTR_ROM_DRIVER_TABLE))[4];
mbed_official 232:1e593fe58241 164 // Get addresses of integer divide routines in ROM
mbed_official 232:1e593fe58241 165 // These address are then used by the code in aeabi_romdiv_patch.s
mbed_official 232:1e593fe58241 166 pDivRom_idiv = (unsigned int *)div_ptr[0];
mbed_official 232:1e593fe58241 167 pDivRom_uidiv = (unsigned int *)div_ptr[1];
mbed_official 232:1e593fe58241 168 #endif
mbed_official 232:1e593fe58241 169
mbed_official 232:1e593fe58241 170
mbed_official 232:1e593fe58241 171 SystemInit();
mbed_official 232:1e593fe58241 172 if (software_init_hook)
mbed_official 232:1e593fe58241 173 software_init_hook();
mbed_official 232:1e593fe58241 174 else {
mbed_official 232:1e593fe58241 175 __libc_init_array();
mbed_official 232:1e593fe58241 176 main();
mbed_official 232:1e593fe58241 177 }
mbed_official 232:1e593fe58241 178 while (1) {;}
mbed_official 232:1e593fe58241 179 }
mbed_official 232:1e593fe58241 180
mbed_official 232:1e593fe58241 181 AFTER_VECTORS void NMI_Handler (void) {}
mbed_official 232:1e593fe58241 182 AFTER_VECTORS void HardFault_Handler (void) {}
mbed_official 232:1e593fe58241 183 AFTER_VECTORS void MemManage_Handler (void) {}
mbed_official 232:1e593fe58241 184 AFTER_VECTORS void BusFault_Handler (void) {}
mbed_official 232:1e593fe58241 185 AFTER_VECTORS void UsageFault_Handler(void) {}
mbed_official 232:1e593fe58241 186 AFTER_VECTORS void SVC_Handler (void) {}
mbed_official 232:1e593fe58241 187 AFTER_VECTORS void DebugMon_Handler (void) {}
mbed_official 232:1e593fe58241 188 AFTER_VECTORS void PendSV_Handler (void) {}
mbed_official 232:1e593fe58241 189 AFTER_VECTORS void SysTick_Handler (void) {}
mbed_official 232:1e593fe58241 190 AFTER_VECTORS void IntDefaultHandler (void) {}
mbed_official 232:1e593fe58241 191
mbed_official 232:1e593fe58241 192 int __aeabi_atexit(void *object, void (*destructor)(void *), void *dso_handle) {return 0;}
mbed_official 232:1e593fe58241 193 }
mbed_official 232:1e593fe58241 194
mbed_official 232:1e593fe58241 195 #include <stdlib.h>
mbed_official 232:1e593fe58241 196
mbed_official 232:1e593fe58241 197 void *operator new(size_t size) {return malloc(size);}
mbed_official 232:1e593fe58241 198 void *operator new[](size_t size){return malloc(size);}
mbed_official 232:1e593fe58241 199
mbed_official 232:1e593fe58241 200 void operator delete(void *p) {free(p);}
mbed_official 232:1e593fe58241 201 void operator delete[](void *p) {free(p);}