2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
23 extern void main(void);
24 extern char __stack__;
25 extern char __text_start__, __text_end__;
26 extern char __data_start__, __data_end__;
27 extern char __bss_start__, __bss_end__;
29 /* Interrupt functions */
31 void stm_halt_isr(void)
33 ao_panic(AO_PANIC_CRASH);
36 void stm_ignore_isr(void)
40 const void *stm_interrupt_vector[];
43 stm_flash_size(void) {
44 uint16_t dev_id = stm_dev_id();
49 kbytes = 32; /* assume 32kB until we figure this out */
52 return (uint32_t) kbytes * 1024;
59 if (ao_boot_check_chain()) {
66 memcpy(&__data_start__, &__text_end__, &__data_end__ - &__data_start__);
67 memset(&__bss_start__, '\0', &__bss_end__ - &__bss_start__);
71 #define STRINGIFY(x) #x
74 void __attribute__ ((weak)) stm_ ## name ## _isr(void); \
75 _Pragma(STRINGIFY(weak stm_ ## name ## _isr = stm_ignore_isr))
77 #define isr_halt(name) \
78 void __attribute__ ((weak)) stm_ ## name ## _isr(void); \
79 _Pragma(STRINGIFY(weak stm_ ## name ## _isr = stm_halt_isr))
100 isr(dma_ch2_3_dma2_ch1_2)
101 isr(dma_ch4_5_6_7_dma2_ch3_4_5)
103 isr(tim1_brk_up_trg_com)
119 isr(usart3_4_5_6_7_8)
123 #define i(addr,name) [(addr)/4] = stm_ ## name ## _isr
125 __attribute__ ((section(".interrupt")))
126 const void *stm_interrupt_vector[] = {
135 i(0x40, wwdg), /* IRQ0 */
145 i(0x68, dma_ch2_3_dma2_ch1_2),
146 i(0x6c, dma_ch4_5_6_7_dma2_ch3_4_5),
148 i(0x74, tim1_brk_up_trg_com),
164 i(0xb4, usart3_4_5_6_7_8),