HPPA_PC_PRIV_MASK
if (copyinsn(NULL, (uint32_t *)(loc &~ HPPA_PC_PRIV_MASK),
p->p_md.md_bpva = p->p_md.md_regs->tf_r31 & ~HPPA_PC_PRIV_MASK;
p->p_md.md_bpva = p->p_md.md_regs->tf_iioq_tail & ~HPPA_PC_PRIV_MASK;
#define PROC_PC(p) ((p)->p_md.md_regs->tf_iioq_head & ~HPPA_PC_PRIV_MASK)
#define USERMODE(pc) ((((register_t)pc) & HPPA_PC_PRIV_MASK) != HPPA_PC_PRIV_KERN)
#define KERNMODE(pc) (((register_t)pc) & ~HPPA_PC_PRIV_MASK)