/* * Copyright © 2012 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include #include "stm32l.h" #include #include extern void main(void); extern char __stack__; extern char __text_start__, __text_end__; extern char __data_start__, __data_end__; extern char __bss_start__, __bss_end__; /* Interrupt functions */ void stm_halt_isr(void) { ao_panic(AO_PANIC_CRASH); } void stm_ignore_isr(void) { } const void *stm_interrupt_vector[]; uint32_t stm_flash_size(void) { uint16_t dev_id = stm_dev_id(); uint16_t kbytes = 0; switch (dev_id) { case 0x416: /* cat 1 */ kbytes = stm_flash_size_medium.f_size; break; case 0x429: /* cat 2 */ kbytes = stm_flash_size_medium.f_size & 0xff; break; case 0x427: /* cat 3 */ kbytes = stm_flash_size_large.f_size; break; case 0x436: /* cat 4 */ switch (stm_flash_size_large.f_size) { case 0: kbytes = 256; break; case 1: kbytes = 384; break; } break; case 0x437: /* cat 5 */ kbytes = stm_flash_size_large.f_size; break; } return (uint32_t) kbytes * 1024; } void start(void) { #ifdef AO_BOOT_CHAIN if (ao_boot_check_chain()) { #ifdef AO_BOOT_PIN ao_boot_check_pin(); #endif } #endif /* Set interrupt vector table offset */ stm_nvic.vto = (uint32_t) &stm_interrupt_vector; memcpy(&__data_start__, &__text_end__, &__data_end__ - &__data_start__); memset(&__bss_start__, '\0', &__bss_end__ - &__bss_start__); main(); } #define STRINGIFY(x) #x #define isr(name) \ void __attribute__ ((weak)) stm_ ## name ## _isr(void); \ _Pragma(STRINGIFY(weak stm_ ## name ## _isr = stm_ignore_isr)) #define isr_halt(name) \ void __attribute__ ((weak)) stm_ ## name ## _isr(void); \ _Pragma(STRINGIFY(weak stm_ ## name ## _isr = stm_halt_isr)) isr(nmi) isr_halt(hardfault) isr_halt(memmanage) isr_halt(busfault) isr_halt(usagefault) isr(svc) isr(debugmon) isr(pendsv) isr(systick) isr(wwdg) isr(pvd) isr(tamper_stamp) isr(rtc_wkup) isr(flash) isr(rcc) isr(exti0) isr(exti1) isr(exti2) isr(exti3) isr(exti4) isr(dma1_channel1) isr(dma1_channel2) isr(dma1_channel3) isr(dma1_channel4) isr(dma1_channel5) isr(dma1_channel6) isr(dma1_channel7) isr(adc1) isr(usb_hp) isr(usb_lp) isr(dac) isr(comp) isr(exti9_5) isr(lcd) isr(tim9) isr(tim10) isr(tim11) isr(tim2) isr(tim3) isr(tim4) isr(i2c1_ev) isr(i2c1_er) isr(i2c2_ev) isr(i2c2_er) isr(spi1) isr(spi2) isr(usart1) isr(usart2) isr(usart3) isr(exti15_10) isr(rtc_alarm) isr(usb_fs_wkup) isr(tim6) isr(tim7) #define i(addr,name) [(addr)/4] = stm_ ## name ## _isr __attribute__ ((section(".interrupt"))) const void *stm_interrupt_vector[] = { [0] = &__stack__, [1] = start, i(0x08, nmi), i(0x0c, hardfault), i(0x10, memmanage), i(0x14, busfault), i(0x18, usagefault), i(0x2c, svc), i(0x30, debugmon), i(0x38, pendsv), i(0x3c, systick), i(0x40, wwdg), i(0x44, pvd), i(0x48, tamper_stamp), i(0x4c, rtc_wkup), i(0x50, flash), i(0x54, rcc), i(0x58, exti0), i(0x5c, exti1), i(0x60, exti2), i(0x64, exti3), i(0x68, exti4), i(0x6c, dma1_channel1), i(0x70, dma1_channel2), i(0x74, dma1_channel3), i(0x78, dma1_channel4), i(0x7c, dma1_channel5), i(0x80, dma1_channel6), i(0x84, dma1_channel7), i(0x88, adc1), i(0x8c, usb_hp), i(0x90, usb_lp), i(0x94, dac), i(0x98, comp), i(0x9c, exti9_5), i(0xa0, lcd), i(0xa4, tim9), i(0xa8, tim10), i(0xac, tim11), i(0xb0, tim2), i(0xb4, tim3), i(0xb8, tim4), i(0xbc, i2c1_ev), i(0xc0, i2c1_er), i(0xc4, i2c2_ev), i(0xc8, i2c2_er), i(0xcc, spi1), i(0xd0, spi2), i(0xd4, usart1), i(0xd8, usart2), i(0xdc, usart3), i(0xe0, exti15_10), i(0xe4, rtc_alarm), i(0xe8, usb_fs_wkup), i(0xec, tim6), i(0xf0, tim7), };