struct chip_params {
uint32_t chip_id;
char* description;
- uint32_t flash_size, flash_pagesize;
+ uint32_t max_flash_size, flash_pagesize;
uint32_t sram_size;
uint32_t bootrom_base, bootrom_size;
} const devices[] = {
};
int serve(struct stlink* sl, int port);
-char* make_memory_map(const struct chip_params *params);
+char* make_memory_map(const struct chip_params *params, uint16_t flash_size);
int main(int argc, char** argv) {
if(argc != 3) {
}
printf("Device connected: %s\n", params->description);
- printf("Device parameters: SRAM: 0x%x bytes, Flash: 0x%x bytes in pages of %x bytes\n",
- params->sram_size, params->flash_size, params->flash_pagesize);
+ printf("Device parameters: SRAM: 0x%x bytes, Flash: up to 0x%x bytes in pages of 0x%x bytes\n",
+ params->sram_size, params->max_flash_size, params->flash_pagesize);
- current_memory_map = make_memory_map(params);
+ uint16_t flash_size;
+
+ stlink_read_mem32(sl, 0x1FFFF7E0, 4);
+ flash_size = sl->q_buf[0] | (sl->q_buf[1] << 8);
+
+ printf("Flash size is %d KiB.\n", flash_size);
+
+ current_memory_map = make_memory_map(params, flash_size * 0x400);
int port = atoi(argv[1]);
" <memory type=\"rom\" start=\"0x1ffff800\" length=\"0x8\"/>" // option byte area
"</memory-map>";
-char* make_memory_map(const struct chip_params *params) {
+char* make_memory_map(const struct chip_params *params, uint16_t flash_size) {
/* This will be freed in serve() */
char* map = malloc(4096);
map[0] = '\0';
snprintf(map, 4096, memory_map_template,
- params->flash_size,
+ flash_size,
params->sram_size,
- params->flash_size, params->flash_pagesize,
+ flash_size, params->flash_pagesize,
params->bootrom_base, params->bootrom_size);
return map;