#define cpu_wait(p) /* nothing */
#define cpu_setstack(p, ap) (p)->p_md.md_regs[SP] = ap
#define cpu_set_init_frame(p, fp) (p)->p_md.md_regs = fp
#define cpu_wait(p) /* nothing */
#define cpu_setstack(p, ap) (p)->p_md.md_regs[SP] = ap
#define cpu_set_init_frame(p, fp) (p)->p_md.md_regs = fp