diff --git a/cpu/sam3/startup.c b/cpu/sam3/startup.c deleted file mode 100644 index 6a81dfae93..0000000000 --- a/cpu/sam3/startup.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin - * - * This file is subject to the terms and conditions of the GNU Lesser - * General Public License v2.1. See the file LICENSE in the top level - * directory for more details. - */ - -/** - * @ingroup cpu_sam3 - * @{ - * - * @file - * @brief Startup code and interrupt vector definition - * - * @author Hauke Petersen - * - * @} - */ - -#include - -#include "panic.h" - -/** - * memory markers as defined in the linker script - */ -extern uint32_t _sfixed; -extern uint32_t _efixed; -extern uint32_t _etext; -extern uint32_t _srelocate; -extern uint32_t _erelocate; -extern uint32_t _szero; -extern uint32_t _ezero; -extern uint32_t _sstack; -extern uint32_t _estack; - -/** - * @brief functions for initializing the board, std-lib and kernel - */ -extern void board_init(void); -extern void kernel_init(void); -extern void __libc_init_array(void); - -/** - * @brief This function is the entry point after a system reset - * - * After a system reset, the following steps are necessary and carried out: - * 1. load data section from flash to ram - * 2. overwrite uninitialized data section (BSS) with zeros - * 3. initialize the newlib - * 4. initialize the board (sync clock, setup std-IO) - * 5. initialize and start RIOTs kernel - */ -void reset_handler(void) -{ - uint32_t *dst; - uint32_t *src = &_etext; - - /* load data section from flash to ram */ - for (dst = &_srelocate; dst < &_erelocate; ) { - *(dst++) = *(src++); - } - - /* default bss section to zero */ - for (dst = &_szero; dst < &_ezero; ) { - *(dst++) = 0; - } - - /* initialize the board and startup the kernel */ - board_init(); - /* initialize std-c library (this should be done after board_init) */ - __libc_init_array(); - /* startup the kernel */ - kernel_init(); -} - -/** - * @brief Default handler is called in case no interrupt handler was defined - */ -void dummy_handler(void) -{ - core_panic(PANIC_DUMMY_HANDLER, "DUMMY HANDLER"); -} - -void isr_nmi(void) -{ - while (1) {asm ("nop");} -} - -void isr_mem_manage(void) -{ - while (1) {asm ("nop");} -} - -void isr_debug_mon(void) -{ - while (1) {asm ("nop");} -} - -void isr_hard_fault(void) -{ - core_panic(PANIC_HARD_FAULT, "HARD FAULT"); -} - -void isr_bus_fault(void) -{ - core_panic(PANIC_BUS_FAULT, "BUS FAULT"); -} - -void isr_usage_fault(void) -{ - core_panic(PANIC_USAGE_FAULT, "USAGE FAULT"); -} - -/* Cortex-M specific interrupt vectors */ -void isr_svc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_pendsv(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_systick(void) __attribute__ ((weak, alias("dummy_handler"))); - -/* SAM3X8E specific interrupt vector */ -void isr_supc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_rstc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_rtc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_rtt(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_wdt(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_pmc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_efc0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_efc1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_uart(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_smc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_pioa(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_piob(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_pioc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_piod(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usart0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usart1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usart2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usart3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_hsmci(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_twi0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_twi1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_spi0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_ssc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc4(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc5(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc6(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc7(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tc8(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_pwm(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_adc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dacc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dmac(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_uotghs(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_trng(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_emac(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_can0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_can1(void) __attribute__ ((weak, alias("dummy_handler"))); - - -/* interrupt vector table */ -__attribute__ ((section(".vectors"))) -const void *interrupt_vector[] = { - /* Stack pointer */ - (void*) (&_estack), /* pointer to the top of the empty stack */ - /* Cortex-M handlers */ - (void*) reset_handler, /* entry point of the program */ - (void*) isr_nmi, /* non maskable interrupt handler */ - (void*) isr_hard_fault, /* if you end up here its not good */ - (void*) isr_mem_manage, /* memory controller interrupt */ - (void*) isr_bus_fault, /* also not good to end up here */ - (void*) isr_usage_fault, /* autsch */ - (void*) (0UL), /* Reserved */ - (void*) (0UL), /* Reserved */ - (void*) (0UL), /* Reserved */ - (void*) (0UL), /* Reserved */ - (void*) isr_svc, /* system call interrupt */ - (void*) isr_debug_mon, /* debug interrupt */ - (void*) (0UL), /* Reserved */ - (void*) isr_pendsv, /* pendSV interrupt, used for task switching in RIOT */ - (void*) isr_systick, /* SysTick interrupt, not used in RIOT */ - /* SAM3X8E specific peripheral handlers */ - (void*) isr_supc, /* 0 supply controller */ - (void*) isr_rstc, /* 1 reset controller */ - (void*) isr_rtc, /* 2 real time clock */ - (void*) isr_rtt, /* 3 real timer timer */ - (void*) isr_wdt, /* 4 watchdog timer */ - (void*) isr_pmc, /* 5 power management controller */ - (void*) isr_efc0, /* 6 enhanced flash controller 0 */ - (void*) isr_efc1, /* 7 enhanced flash controller 1 */ - (void*) isr_uart, /* 8 universal asynchronous receiver transceiver */ - (void*) isr_smc, /* 9 static memory controller */ - (void*) (0UL), - (void*) isr_pioa, /* 11 GPIO port A */ - (void*) isr_piob, /* 12 GPIO port B */ - (void*) isr_pioc, /* 13 GPIO port C */ - (void*) isr_piod, /* 14 GPIO port D */ - (void*) (0UL), - (void*) (0UL), - (void*) isr_usart0, /* 17 USART0 */ - (void*) isr_usart1, /* 18 USART1 */ - (void*) isr_usart2, /* 19 USART2 */ - (void*) isr_usart3, /* 20 USART3 */ - (void*) isr_hsmci, /* 21 multimedia card interface */ - (void*) isr_twi0, /* 22 two-wire interface 0 */ - (void*) isr_twi1, /* 23 two-wire interface 1 */ - (void*) isr_spi0, /* 24 serial peripheral interface */ - (void*) (0UL), - (void*) isr_ssc, /* 26 synchronous serial controller */ - (void*) isr_tc0, /* 27 timer counter 0 */ - (void*) isr_tc1, /* 28 timer counter 1 */ - (void*) isr_tc2, /* 29 timer counter 2 */ - (void*) isr_tc3, /* 30 timer counter 3 */ - (void*) isr_tc4, /* 31 timer counter 4 */ - (void*) isr_tc5, /* 32 timer counter 5 */ - (void*) isr_tc6, /* 33 timer counter 6 */ - (void*) isr_tc7, /* 34 timer counter 7 */ - (void*) isr_tc8, /* 35 timer counter 8 */ - (void*) isr_pwm, /* 36 pulse width modulation controller */ - (void*) isr_adc, /* 37 ADC controller */ - (void*) isr_dacc, /* 38 DAC controller */ - (void*) isr_dmac, /* 39 DMA controller */ - (void*) isr_uotghs, /* 40 USB OTG high speed */ - (void*) isr_trng, /* 41 true random number generator */ - (void*) isr_emac, /* 42 Ethernet MAC*/ - (void*) isr_can0, /* 43 CAN controller 0*/ - (void*) isr_can1, /* 44 CAN controller 1*/ -}; diff --git a/cpu/sam3x8e/vectors.c b/cpu/sam3/vectors.c similarity index 100% rename from cpu/sam3x8e/vectors.c rename to cpu/sam3/vectors.c