from armv7a.h:60
struct armv7a_cache_common
{
int info;
int loc;
uint32_t dminline;
uint32_t iminline;
struct armv7a_arch_cache arch[6];
int i_cache_enabled;
int d_u_cache_enabled;
void *outer_cache;
int (*flush_all_data_cache)(struct target *target);
};