PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)
mbed-pokitto/targets/cmsis/TARGET_NXP/TARGET_LPC11U6X/TOOLCHAIN_GCC_CR/TARGET_LPC11U68/startup_LPC11U68.cpp@5:ea7377f3d1af, 2017-10-11 (annotated)
- Committer:
- Pokitto
- Date:
- Wed Oct 11 20:35:27 2017 +0000
- Revision:
- 5:ea7377f3d1af
Fixed PokittoLib. Includes a working custom mbed-src
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Pokitto | 5:ea7377f3d1af | 1 | extern "C" { |
Pokitto | 5:ea7377f3d1af | 2 | |
Pokitto | 5:ea7377f3d1af | 3 | #include "LPC11U6x.h" |
Pokitto | 5:ea7377f3d1af | 4 | #define WEAK __attribute__ ((weak)) |
Pokitto | 5:ea7377f3d1af | 5 | #define ALIAS(f) __attribute__ ((weak, alias (#f))) |
Pokitto | 5:ea7377f3d1af | 6 | #define AFTER_VECTORS __attribute__ ((section(".after_vectors")))void ResetISR(void); |
Pokitto | 5:ea7377f3d1af | 7 | |
Pokitto | 5:ea7377f3d1af | 8 | // Patch the AEABI integer divide functions to use MCU's romdivide library |
Pokitto | 5:ea7377f3d1af | 9 | #ifdef __USE_ROMDIVIDE |
Pokitto | 5:ea7377f3d1af | 10 | // Location in memory that holds the address of the ROM Driver table |
Pokitto | 5:ea7377f3d1af | 11 | #define PTR_ROM_DRIVER_TABLE ((unsigned int *)(0x1FFF1FF8)) |
Pokitto | 5:ea7377f3d1af | 12 | // Variables to store addresses of idiv and udiv functions within MCU ROM |
Pokitto | 5:ea7377f3d1af | 13 | unsigned int *pDivRom_idiv; |
Pokitto | 5:ea7377f3d1af | 14 | unsigned int *pDivRom_uidiv; |
Pokitto | 5:ea7377f3d1af | 15 | #endif |
Pokitto | 5:ea7377f3d1af | 16 | |
Pokitto | 5:ea7377f3d1af | 17 | |
Pokitto | 5:ea7377f3d1af | 18 | extern unsigned int __data_section_table; |
Pokitto | 5:ea7377f3d1af | 19 | extern unsigned int __data_section_table_end; |
Pokitto | 5:ea7377f3d1af | 20 | extern unsigned int __bss_section_table; |
Pokitto | 5:ea7377f3d1af | 21 | extern unsigned int __bss_section_table_end; |
Pokitto | 5:ea7377f3d1af | 22 | |
Pokitto | 5:ea7377f3d1af | 23 | |
Pokitto | 5:ea7377f3d1af | 24 | extern void __libc_init_array(void); |
Pokitto | 5:ea7377f3d1af | 25 | extern int main(void); |
Pokitto | 5:ea7377f3d1af | 26 | extern void _vStackTop(void); |
Pokitto | 5:ea7377f3d1af | 27 | extern void (* const g_pfnVectors[])(void); |
Pokitto | 5:ea7377f3d1af | 28 | |
Pokitto | 5:ea7377f3d1af | 29 | void ResetISR(void); |
Pokitto | 5:ea7377f3d1af | 30 | WEAK void NMI_Handler(void); |
Pokitto | 5:ea7377f3d1af | 31 | WEAK void HardFault_Handler(void); |
Pokitto | 5:ea7377f3d1af | 32 | WEAK void SVC_Handler(void); |
Pokitto | 5:ea7377f3d1af | 33 | WEAK void PendSV_Handler(void); |
Pokitto | 5:ea7377f3d1af | 34 | WEAK void SysTick_Handler(void); |
Pokitto | 5:ea7377f3d1af | 35 | WEAK void IntDefaultHandler(void); |
Pokitto | 5:ea7377f3d1af | 36 | |
Pokitto | 5:ea7377f3d1af | 37 | void PIN_INT0_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 38 | void PIN_INT1_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 39 | void PIN_INT2_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 40 | void PIN_INT3_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 41 | void PIN_INT4_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 42 | void PIN_INT5_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 43 | void PIN_INT6_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 44 | void PIN_INT7_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 45 | void GINT0_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 46 | void GINT1_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 47 | void I2C1_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 48 | void USART1_4_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 49 | void USART2_3_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 50 | void SCT0_1_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 51 | void SSP1_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 52 | void I2C0_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 53 | void TIMER16_0_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 54 | void TIMER16_1_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 55 | void TIMER32_0_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 56 | void TIMER32_1_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 57 | void SSP0_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 58 | void USART0_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 59 | void USB_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 60 | void USB_FIQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 61 | void ADCA_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 62 | void RTC_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 63 | void BOD_WDT_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 64 | void FMC_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 65 | void DMA_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 66 | void ADCB_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 67 | void USBWakeup_IRQHandler (void) ALIAS(IntDefaultHandler); |
Pokitto | 5:ea7377f3d1af | 68 | |
Pokitto | 5:ea7377f3d1af | 69 | __attribute__ ((section(".isr_vector"))) |
Pokitto | 5:ea7377f3d1af | 70 | void (* const g_pfnVectors[])(void) = { |
Pokitto | 5:ea7377f3d1af | 71 | // Core Level - CM0 |
Pokitto | 5:ea7377f3d1af | 72 | &_vStackTop, // The initial stack pointer |
Pokitto | 5:ea7377f3d1af | 73 | ResetISR, // The reset handler |
Pokitto | 5:ea7377f3d1af | 74 | NMI_Handler, // The NMI handler |
Pokitto | 5:ea7377f3d1af | 75 | HardFault_Handler, // The hard fault handler |
Pokitto | 5:ea7377f3d1af | 76 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 77 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 78 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 79 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 80 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 81 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 82 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 83 | SVC_Handler, // SVCall handler |
Pokitto | 5:ea7377f3d1af | 84 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 85 | 0, // Reserved |
Pokitto | 5:ea7377f3d1af | 86 | PendSV_Handler, // The PendSV handler |
Pokitto | 5:ea7377f3d1af | 87 | SysTick_Handler, // The SysTick handler |
Pokitto | 5:ea7377f3d1af | 88 | |
Pokitto | 5:ea7377f3d1af | 89 | // Chip Level - LPC11U68 |
Pokitto | 5:ea7377f3d1af | 90 | PIN_INT0_IRQHandler, // 0 - GPIO pin interrupt 0 |
Pokitto | 5:ea7377f3d1af | 91 | PIN_INT1_IRQHandler, // 1 - GPIO pin interrupt 1 |
Pokitto | 5:ea7377f3d1af | 92 | PIN_INT2_IRQHandler, // 2 - GPIO pin interrupt 2 |
Pokitto | 5:ea7377f3d1af | 93 | PIN_INT3_IRQHandler, // 3 - GPIO pin interrupt 3 |
Pokitto | 5:ea7377f3d1af | 94 | PIN_INT4_IRQHandler, // 4 - GPIO pin interrupt 4 |
Pokitto | 5:ea7377f3d1af | 95 | PIN_INT5_IRQHandler, // 5 - GPIO pin interrupt 5 |
Pokitto | 5:ea7377f3d1af | 96 | PIN_INT6_IRQHandler, // 6 - GPIO pin interrupt 6 |
Pokitto | 5:ea7377f3d1af | 97 | PIN_INT7_IRQHandler, // 7 - GPIO pin interrupt 7 |
Pokitto | 5:ea7377f3d1af | 98 | GINT0_IRQHandler, // 8 - GPIO GROUP0 interrupt |
Pokitto | 5:ea7377f3d1af | 99 | GINT1_IRQHandler, // 9 - GPIO GROUP1 interrupt |
Pokitto | 5:ea7377f3d1af | 100 | I2C1_IRQHandler, // 10 - I2C1 |
Pokitto | 5:ea7377f3d1af | 101 | USART1_4_IRQHandler, // 11 - combined USART1 & 4 interrupt |
Pokitto | 5:ea7377f3d1af | 102 | USART2_3_IRQHandler, // 12 - combined USART2 & 3 interrupt |
Pokitto | 5:ea7377f3d1af | 103 | SCT0_1_IRQHandler, // 13 - combined SCT0 and 1 interrupt |
Pokitto | 5:ea7377f3d1af | 104 | SSP1_IRQHandler, // 14 - SPI/SSP1 Interrupt |
Pokitto | 5:ea7377f3d1af | 105 | I2C0_IRQHandler, // 15 - I2C0 |
Pokitto | 5:ea7377f3d1af | 106 | TIMER16_0_IRQHandler, // 16 - CT16B0 (16-bit Timer 0) |
Pokitto | 5:ea7377f3d1af | 107 | TIMER16_1_IRQHandler, // 17 - CT16B1 (16-bit Timer 1) |
Pokitto | 5:ea7377f3d1af | 108 | TIMER32_0_IRQHandler, // 18 - CT32B0 (32-bit Timer 0) |
Pokitto | 5:ea7377f3d1af | 109 | TIMER32_1_IRQHandler, // 19 - CT32B1 (32-bit Timer 1) |
Pokitto | 5:ea7377f3d1af | 110 | SSP0_IRQHandler, // 20 - SPI/SSP0 Interrupt |
Pokitto | 5:ea7377f3d1af | 111 | USART0_IRQHandler, // 21 - USART0 |
Pokitto | 5:ea7377f3d1af | 112 | USB_IRQHandler, // 22 - USB IRQ |
Pokitto | 5:ea7377f3d1af | 113 | USB_FIQHandler, // 23 - USB FIQ |
Pokitto | 5:ea7377f3d1af | 114 | ADCA_IRQHandler, // 24 - ADC A(A/D Converter) |
Pokitto | 5:ea7377f3d1af | 115 | RTC_IRQHandler, // 25 - Real Time CLock interrpt |
Pokitto | 5:ea7377f3d1af | 116 | BOD_WDT_IRQHandler, // 25 - Combined Brownout/Watchdog interrupt |
Pokitto | 5:ea7377f3d1af | 117 | FMC_IRQHandler, // 27 - IP2111 Flash Memory Controller |
Pokitto | 5:ea7377f3d1af | 118 | DMA_IRQHandler, // 28 - DMA interrupt |
Pokitto | 5:ea7377f3d1af | 119 | ADCB_IRQHandler, // 24 - ADC B (A/D Converter) |
Pokitto | 5:ea7377f3d1af | 120 | USBWakeup_IRQHandler, // 30 - USB wake-up interrupt |
Pokitto | 5:ea7377f3d1af | 121 | 0, // 31 - Reserved |
Pokitto | 5:ea7377f3d1af | 122 | }; |
Pokitto | 5:ea7377f3d1af | 123 | /* End Vector */ |
Pokitto | 5:ea7377f3d1af | 124 | |
Pokitto | 5:ea7377f3d1af | 125 | AFTER_VECTORS void data_init(unsigned int romstart, unsigned int start, unsigned int len) { |
Pokitto | 5:ea7377f3d1af | 126 | unsigned int *pulDest = (unsigned int*) start; |
Pokitto | 5:ea7377f3d1af | 127 | unsigned int *pulSrc = (unsigned int*) romstart; |
Pokitto | 5:ea7377f3d1af | 128 | unsigned int loop; |
Pokitto | 5:ea7377f3d1af | 129 | for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++; |
Pokitto | 5:ea7377f3d1af | 130 | } |
Pokitto | 5:ea7377f3d1af | 131 | |
Pokitto | 5:ea7377f3d1af | 132 | AFTER_VECTORS void bss_init(unsigned int start, unsigned int len) { |
Pokitto | 5:ea7377f3d1af | 133 | unsigned int *pulDest = (unsigned int*) start; |
Pokitto | 5:ea7377f3d1af | 134 | unsigned int loop; |
Pokitto | 5:ea7377f3d1af | 135 | for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0; |
Pokitto | 5:ea7377f3d1af | 136 | } |
Pokitto | 5:ea7377f3d1af | 137 | |
Pokitto | 5:ea7377f3d1af | 138 | |
Pokitto | 5:ea7377f3d1af | 139 | /* Reset entry point*/ |
Pokitto | 5:ea7377f3d1af | 140 | extern "C" void software_init_hook(void) __attribute__((weak)); |
Pokitto | 5:ea7377f3d1af | 141 | |
Pokitto | 5:ea7377f3d1af | 142 | AFTER_VECTORS void ResetISR(void) { |
Pokitto | 5:ea7377f3d1af | 143 | unsigned int LoadAddr, ExeAddr, SectionLen; |
Pokitto | 5:ea7377f3d1af | 144 | unsigned int *SectionTableAddr; |
Pokitto | 5:ea7377f3d1af | 145 | |
Pokitto | 5:ea7377f3d1af | 146 | SectionTableAddr = &__data_section_table; |
Pokitto | 5:ea7377f3d1af | 147 | |
Pokitto | 5:ea7377f3d1af | 148 | while (SectionTableAddr < &__data_section_table_end) { |
Pokitto | 5:ea7377f3d1af | 149 | LoadAddr = *SectionTableAddr++; |
Pokitto | 5:ea7377f3d1af | 150 | ExeAddr = *SectionTableAddr++; |
Pokitto | 5:ea7377f3d1af | 151 | SectionLen = *SectionTableAddr++; |
Pokitto | 5:ea7377f3d1af | 152 | data_init(LoadAddr, ExeAddr, SectionLen); |
Pokitto | 5:ea7377f3d1af | 153 | } |
Pokitto | 5:ea7377f3d1af | 154 | while (SectionTableAddr < &__bss_section_table_end) { |
Pokitto | 5:ea7377f3d1af | 155 | ExeAddr = *SectionTableAddr++; |
Pokitto | 5:ea7377f3d1af | 156 | SectionLen = *SectionTableAddr++; |
Pokitto | 5:ea7377f3d1af | 157 | bss_init(ExeAddr, SectionLen); |
Pokitto | 5:ea7377f3d1af | 158 | } |
Pokitto | 5:ea7377f3d1af | 159 | |
Pokitto | 5:ea7377f3d1af | 160 | // Patch the AEABI integer divide functions to use MCU's romdivide library |
Pokitto | 5:ea7377f3d1af | 161 | #ifdef __USE_ROMDIVIDE |
Pokitto | 5:ea7377f3d1af | 162 | // Get address of Integer division routines function table in ROM |
Pokitto | 5:ea7377f3d1af | 163 | unsigned int *div_ptr = (unsigned int *)((unsigned int *)*(PTR_ROM_DRIVER_TABLE))[4]; |
Pokitto | 5:ea7377f3d1af | 164 | // Get addresses of integer divide routines in ROM |
Pokitto | 5:ea7377f3d1af | 165 | // These address are then used by the code in aeabi_romdiv_patch.s |
Pokitto | 5:ea7377f3d1af | 166 | pDivRom_idiv = (unsigned int *)div_ptr[0]; |
Pokitto | 5:ea7377f3d1af | 167 | pDivRom_uidiv = (unsigned int *)div_ptr[1]; |
Pokitto | 5:ea7377f3d1af | 168 | #endif |
Pokitto | 5:ea7377f3d1af | 169 | |
Pokitto | 5:ea7377f3d1af | 170 | |
Pokitto | 5:ea7377f3d1af | 171 | SystemInit(); |
Pokitto | 5:ea7377f3d1af | 172 | if (software_init_hook) |
Pokitto | 5:ea7377f3d1af | 173 | software_init_hook(); |
Pokitto | 5:ea7377f3d1af | 174 | else { |
Pokitto | 5:ea7377f3d1af | 175 | __libc_init_array(); |
Pokitto | 5:ea7377f3d1af | 176 | main(); |
Pokitto | 5:ea7377f3d1af | 177 | } |
Pokitto | 5:ea7377f3d1af | 178 | while (1) {;} |
Pokitto | 5:ea7377f3d1af | 179 | } |
Pokitto | 5:ea7377f3d1af | 180 | |
Pokitto | 5:ea7377f3d1af | 181 | AFTER_VECTORS void NMI_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 182 | AFTER_VECTORS void HardFault_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 183 | AFTER_VECTORS void MemManage_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 184 | AFTER_VECTORS void BusFault_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 185 | AFTER_VECTORS void UsageFault_Handler(void) {} |
Pokitto | 5:ea7377f3d1af | 186 | AFTER_VECTORS void SVC_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 187 | AFTER_VECTORS void DebugMon_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 188 | AFTER_VECTORS void PendSV_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 189 | AFTER_VECTORS void SysTick_Handler (void) {} |
Pokitto | 5:ea7377f3d1af | 190 | AFTER_VECTORS void IntDefaultHandler (void) {} |
Pokitto | 5:ea7377f3d1af | 191 | |
Pokitto | 5:ea7377f3d1af | 192 | int __aeabi_atexit(void *object, void (*destructor)(void *), void *dso_handle) {return 0;} |
Pokitto | 5:ea7377f3d1af | 193 | } |
Pokitto | 5:ea7377f3d1af | 194 | |
Pokitto | 5:ea7377f3d1af | 195 | #include <stdlib.h> |
Pokitto | 5:ea7377f3d1af | 196 | |
Pokitto | 5:ea7377f3d1af | 197 | void *operator new(size_t size) {return malloc(size);} |
Pokitto | 5:ea7377f3d1af | 198 | void *operator new[](size_t size){return malloc(size);} |
Pokitto | 5:ea7377f3d1af | 199 | |
Pokitto | 5:ea7377f3d1af | 200 | void operator delete(void *p) {free(p);} |
Pokitto | 5:ea7377f3d1af | 201 | void operator delete[](void *p) {free(p);} |