from stm32l4x.h:124
struct stm32l4_work_area
{
struct stm32l4_loader_params {
uint32_t flash_sr_addr;
uint32_t flash_cr_addr;
uint32_t flash_word_size;
uint32_t flash_sr_bsy_mask;
} params;
uint8_t stack[LDR_STACK_SIZE];
struct flash_async_algorithm_circbuf {
#ifdef OPENOCD_CONTRIB_LOADERS_FLASH_STM32_STM32L4X
uint8_t *wp;
uint8_t *rp;
#else
uint32_t wp;
uint32_t rp;
#endif
} fifo;
};