from dsp563xx.h:31
struct dsp563xx_common
{
struct mcu_jtag jtag_info;
struct reg_cache *core_cache;
uint32_t core_regs[DSP563XX_NUMCOREREGS];
struct once_reg once_regs[DSP563XX_NUMONCEREGS];
int (*read_core_reg)(struct target *target, int num);
int (*write_core_reg)(struct target *target, int num);
struct hardware_breakpoint hardware_breakpoint[1];
bool hardware_breakpoints_cleared;
};