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- /*
- * Copyright (C) 2023 Daniele Lacamera <root@danielinux.net>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- extern unsigned int _stored_data;
- extern unsigned int _start_data;
- extern unsigned int _end_data;
- extern unsigned int _start_bss;
- extern unsigned int _end_bss;
- extern unsigned int _end_stack;
- extern unsigned int _start_heap;
- static int zeroed_variable_in_bss;
- static int initialized_variable_in_data = 42;
- //#define STACK_PAINTING
- static volatile unsigned int avail_mem = 0;
- static unsigned int sp;
- extern void main(void);
- extern void isr_tim2(void);
- extern void isr_usart1(void);
- extern void isr_exti15_10(void);
- extern void isr_exti9_5(void);
- extern void isr_systick(void);
- extern void isr_exti2(void);
- extern void isr_exti3(void);
- extern void isr_exti0(void);
- extern void isr_exti4(void);
- void isr_reset(void) {
- register unsigned int *src, *dst;
- src = (unsigned int *) &_stored_data;
- dst = (unsigned int *) &_start_data;
- while (dst < (unsigned int *)&_end_data) {
- *dst = *src;
- dst++;
- src++;
- }
- dst = &_start_bss;
- while (dst < (unsigned int *)&_end_bss) {
- *dst = 0U;
- dst++;
- }
- avail_mem = &_end_stack - &_start_heap;
- main();
- }
- void isr_nmi(void)
- {
- /* Panic. */
- while(1) ;;
- }
- void isr_hardfault(void)
- {
- while(1);
- }
- void isr_memfault(void)
- {
- /* Panic. */
- while(1) ;;
- }
- void isr_busfault(void)
- {
- /* Panic. */
- while(1) ;;
- }
- void isr_usagefault(void)
- {
- /* Panic. */
- while(1) ;;
- }
-
- void isr_empty(void)
- {
- }
- __attribute__ ((section(".isr_vector")))
- void (* const IV[])(void) =
- {
- (void (*)(void))(&_end_stack),
- isr_reset, // Reset
- isr_nmi, // NMI
- isr_hardfault, // HardFault
- isr_memfault, // MemFault
- isr_busfault, // BusFault
- isr_usagefault, // UsageFault
- 0, 0, 0, 0, // 4x reserved
- isr_empty, // SVC
- isr_empty, // DebugMonitor
- 0, // reserved
- isr_empty, // PendSV
- isr_systick, // SysTick
- /* F7 Specific */
- isr_empty, // nvic_wwdg_isr(void);
- isr_empty, // pvd_isr(void);
- isr_empty, // tamp_stamp_isr(void);
- isr_empty, // rtc_wkup_isr(void);
- isr_empty, // flash_isr(void);
- isr_empty, // rcc_isr(void);
- isr_empty, // exti0_isr(void);
- isr_empty, // exti1_isr(void);
- isr_empty, // exti2_isr(void);
- isr_empty, // exti3_isr(void);
- isr_empty, // exti4_isr(void);
- isr_empty, // dma1_stream0_isr(void);
- isr_empty, // dma1_stream1_isr(void);
- isr_empty, // dma1_stream2_isr(void);
- isr_empty, // dma1_stream3_isr(void);
- isr_empty, // dma1_stream4_isr(void);
- isr_empty, // dma1_stream5_isr(void);
- isr_empty, // dma1_stream6_isr(void);
- isr_empty, // adc_isr(void);
- isr_empty, // can1_tx_isr(void);
- isr_empty, // can1_rx0_isr(void);
- isr_empty, // can1_rx1_isr(void);
- isr_empty, // can1_sce_isr(void);
- isr_exti9_5, // exti9_5_isr(void);
- isr_empty, // tim1_brk_tim9_isr(void);
- isr_empty, // tim1_up_tim10_isr(void);
- isr_empty, // tim1_trg_com_tim11_isr(void);
- isr_empty, // tim1_cc_isr(void);
- isr_tim2 , // tim2_isr(void);
- isr_empty, // tim3_isr(void);
- isr_empty, // tim4_isr(void);
- isr_empty, // i2c1_ev_isr(void);
- isr_empty, // i2c1_er_isr(void);
- isr_empty, // i2c2_ev_isr(void);
- isr_empty, // i2c2_er_isr(void);
- isr_empty, // spi1_isr(void);
- isr_empty, // spi2_isr(void);
- isr_usart1, // usart1_isr(void);
- isr_empty, // usart2_isr(void);
- isr_empty, // usart3_isr(void);
- isr_exti15_10, // exti15_10_isr(void);
- isr_empty, // rtc_alarm_isr(void);
- isr_empty, // usb_fs_wkup_isr(void);
- isr_empty, // tim8_brk_tim12_isr(void);
- isr_empty, // tim8_up_tim13_isr(void);
- isr_empty, // tim8_trg_com_tim14_isr(void);
- isr_empty, // tim8_cc_isr(void);
- isr_empty, // dma1_stream7_isr(void);
- isr_empty, // fsmc_isr(void);
- isr_empty, // sdmmc1_isr(void);
- isr_empty, // tim5_isr(void);
- isr_empty, // spi3_isr(void);
- isr_empty, // uart4_isr(void);
- isr_empty, // uart5_isr(void);
- isr_empty, // tim6_dac_isr(void);
- isr_empty, // tim7_isr(void);
- isr_empty, // dma2_stream0_isr(void);
- isr_empty, // dma2_stream1_isr(void);
- isr_empty, // dma2_stream2_isr(void);
- isr_empty, // dma2_stream3_isr(void);
- isr_empty, // dma2_stream4_isr(void);
- isr_empty, // eth_isr(void);
- isr_empty, // eth_wkup_isr(void);
- isr_empty, // can2_tx_isr(void);
- isr_empty, // can2_rx0_isr(void);
- isr_empty, // can2_rx1_isr(void);
- isr_empty, // can2_sce_isr(void);
- isr_empty, // otg_fs_isr(void);
- isr_empty, // dma2_stream5_isr(void);
- isr_empty, // dma2_stream6_isr(void);
- isr_empty, // dma2_stream7_isr(void);
- isr_empty, // usart6_isr(void);
- isr_empty, // i2c3_ev_isr(void);
- isr_empty, // i2c3_er_isr(void);
- isr_empty, // otg_hs_ep1_out_isr(void);
- isr_empty, // otg_hs_ep1_in_isr(void);
- isr_empty, // otg_hs_wkup_isr(void);
- isr_empty, // otg_hs_isr(void);
- isr_empty, // dcmi_isr(void);
- isr_empty, // cryp_isr(void);
- isr_empty, // hash_rng_isr(void);
- isr_empty, // fpu_isr(void);
- isr_empty, // uart7_isr(void);
- isr_empty, // uart8_isr(void);
- isr_empty, // spi4_isr(void);
- isr_empty, // spi5_isr(void);
- isr_empty, // spi6_isr(void);
- isr_empty, // sai1_isr(void);
- isr_empty, // lcd_tft_isr(void);
- isr_empty, // lcd_tft_err_isr(void);
- isr_empty, // dma2d_isr(void);
- isr_empty, // sai2_isr(void);
- isr_empty, // quadspi_isr(void);
- isr_empty, // i2c4_ev_isr(void);
- isr_empty, // i2c4_er_isr(void);
- isr_empty, // spdifrx_isr(void);
- };
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