152 lines
5.5 KiB
C
152 lines
5.5 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Glenn Ruben Bakke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdint.h>
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extern uint32_t _estack;
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extern uint32_t _sidata;
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extern uint32_t _sdata;
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extern uint32_t _edata;
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extern uint32_t _sbss;
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extern uint32_t _ebss;
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typedef void (*func)(void);
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extern void _start(void) __attribute__((noreturn));
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extern void SystemInit(void);
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void Default_Handler(void) {
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while (1);
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}
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void Reset_Handler(void) {
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uint32_t * ram_on_addr = (uint32_t *)0x40000524;
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uint32_t * ram_on_b_addr = (uint32_t *)0x40000554;
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// RAM on in on-mode
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*ram_on_addr = 3; // block 0 and 1
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*ram_on_b_addr = 3; // block 2 and 3
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#if 0
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// RAM on in off-mode
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ram_on_addr = 1 << 16;
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ram_on_b_addr = 1 << 17;
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#endif
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uint32_t * p_src = &_sidata;
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uint32_t * p_dest = &_sdata;
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while (p_dest < &_edata) {
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*p_dest++ = *p_src++;
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}
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uint32_t * p_bss = &_sbss;
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uint32_t * p_bss_end = &_ebss;
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while (p_bss < p_bss_end) {
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*p_bss++ = 0ul;
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}
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SystemInit();
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_start();
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}
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void NMI_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void HardFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SVC_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void PendSV_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SysTick_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void POWER_CLOCK_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RADIO_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void UART0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SPI0_TWI0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SPI1_TWI1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void GPIOTE_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void ADC_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER2_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RTC0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TEMP_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RNG_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void ECB_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void CCM_AAR_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void WDT_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RTC1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void QDEC_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void LPCOMP_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI2_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI3_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI4_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI5_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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const func __Vectors[] __attribute__ ((section(".isr_vector"))) = {
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(func)&_estack,
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Reset_Handler,
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NMI_Handler,
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HardFault_Handler,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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SVC_Handler,
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0,
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0,
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PendSV_Handler,
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SysTick_Handler,
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/* External Interrupts */
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POWER_CLOCK_IRQHandler,
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RADIO_IRQHandler,
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UART0_IRQHandler,
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SPI0_TWI0_IRQHandler,
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SPI1_TWI1_IRQHandler,
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0,
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GPIOTE_IRQHandler,
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ADC_IRQHandler,
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TIMER0_IRQHandler,
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TIMER1_IRQHandler,
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TIMER2_IRQHandler,
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RTC0_IRQHandler,
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TEMP_IRQHandler,
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RNG_IRQHandler,
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ECB_IRQHandler,
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CCM_AAR_IRQHandler,
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WDT_IRQHandler,
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RTC1_IRQHandler,
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QDEC_IRQHandler,
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LPCOMP_IRQHandler,
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SWI0_IRQHandler,
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SWI1_IRQHandler,
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SWI2_IRQHandler,
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SWI3_IRQHandler,
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SWI4_IRQHandler,
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SWI5_IRQHandler
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};
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