x86/x86/vm_machdep.c

134 	struct pcb *pcb1, *pcb2;
142 	pcb2 = lwp_getpcb(l2);
145 	memcpy(pcb2, pcb1, offsetof(struct pcb, pcb_savefpu));
151 	pcb2->pcb_dbregs = NULL;
152 	pcb2->pcb_flags &= ~PCB_DBREGS;
155 	pcb2->pcb_iopl = IOPL_KPL;
173 	pcb2->pcb_rsp0 = (uv + USPACE - PAGE_SIZE +
175 	KASSERT((pcb2->pcb_rsp0 & 0xF) == 0);
177 	pcb2->pcb_rsp0 = (uv + USPACE - 16);
179 	tf = (struct trapframe *)pcb2->pcb_rsp0 - 1;
181 	pcb2->pcb_esp0 = (uv + USPACE - 16);
182 	tf = (struct trapframe *)pcb2->pcb_esp0 - 1;
184 	pcb2->pcb_iomap = NULL;
215 	pcb2->pcb_rsp = (uint64_t)sf;
216 	pcb2->pcb_rbp = (uint64_t)l2;
226 	pcb2->pcb_esp = (int)sf;
227 	pcb2->pcb_ebp = (int)l2;