220 mp_set_cpu_context(vcpu_guest_context_t *vgc, cpu_t *cp)  in mp_set_cpu_context()  argument
224 	vgc->flags = VGCF_IN_KERNEL;  in mp_set_cpu_context()
232 	vgc->user_regs.cs = KCS_SEL | SEL_KPL;	/* force to ring 3 */  in mp_set_cpu_context()
234 	vgc->user_regs.cs = KCS_SEL;  in mp_set_cpu_context()
236 	vgc->user_regs.ds = KDS_SEL;  in mp_set_cpu_context()
237 	vgc->user_regs.es = KDS_SEL;  in mp_set_cpu_context()
238 	vgc->user_regs.ss = KDS_SEL;  in mp_set_cpu_context()
239 	vgc->kernel_ss = KDS_SEL;  in mp_set_cpu_context()
250 	vgc->user_regs.fs = 0;  in mp_set_cpu_context()
251 	vgc->user_regs.gs = 0;  in mp_set_cpu_context()
252 	vgc->user_regs.rflags = F_OFF | iopl;  in mp_set_cpu_context()
254 	vgc->user_regs.fs = KFS_SEL;  in mp_set_cpu_context()
255 	vgc->user_regs.gs = KGS_SEL;  in mp_set_cpu_context()
256 	vgc->user_regs.eflags = F_OFF | iopl;  in mp_set_cpu_context()
257 	vgc->event_callback_cs = vgc->user_regs.cs;  in mp_set_cpu_context()
258 	vgc->failsafe_callback_cs = vgc->user_regs.cs;  in mp_set_cpu_context()
265 	ASSERT(NIDT == sizeof (vgc->trap_ctxt) / sizeof (vgc->trap_ctxt[0]));  in mp_set_cpu_context()
268 		trap_info_t *ti = &vgc->trap_ctxt[vec];  in mp_set_cpu_context()
286 	vgc->gdt_frames[0] = pa_to_ma(mmu_btop(cp->cpu_m.mcpu_gdtpa));  in mp_set_cpu_context()
288 	vgc->gdt_frames[0] = pfn_to_mfn(mmu_btop(cp->cpu_m.mcpu_gdtpa));  in mp_set_cpu_context()
290 	vgc->gdt_ents = NGDT;  in mp_set_cpu_context()
292 	vgc->ctrlreg[0] = CR0_ENABLE_FPU_FLAGS(getcr0());  in mp_set_cpu_context()
296 		vgc->ctrlreg[3] =  in mp_set_cpu_context()
300 		vgc->ctrlreg[3] =  in mp_set_cpu_context()
303 	vgc->ctrlreg[4] = getcr4();  in mp_set_cpu_context()
305 	vgc->event_callback_eip = (uintptr_t)xen_callback;  in mp_set_cpu_context()
306 	vgc->failsafe_callback_eip = (uintptr_t)xen_failsafe_callback;  in mp_set_cpu_context()
307 	vgc->flags |= VGCF_failsafe_disables_events;  in mp_set_cpu_context()
313 	vgc->syscall_callback_eip = (uintptr_t)sys_syscall;  in mp_set_cpu_context()
314 	vgc->flags |= VGCF_syscall_disables_events;  in mp_set_cpu_context()
316 	ASSERT(vgc->user_regs.gs == 0);  in mp_set_cpu_context()
317 	vgc->gs_base_kernel = (uintptr_t)cp;  in mp_set_cpu_context()
320 	return (xen_vcpu_initialize(cp->cpu_id, vgc));  in mp_set_cpu_context()
338 	vcpu_guest_context_t vgc;  in mach_cpucontext_alloc()  local
366 	bzero(&vgc, sizeof (vgc));  in mach_cpucontext_alloc()
369 	vgc.user_regs.rip = tp->t_pc;  in mach_cpucontext_alloc()
370 	vgc.user_regs.rsp = tp->t_sp;  in mach_cpucontext_alloc()
371 	vgc.user_regs.rbp = tp->t_sp - 2 * sizeof (greg_t);  in mach_cpucontext_alloc()
373 	vgc.user_regs.eip = tp->t_pc;  in mach_cpucontext_alloc()
374 	vgc.user_regs.esp = tp->t_sp;  in mach_cpucontext_alloc()
375 	vgc.user_regs.ebp = tp->t_sp - 2 * sizeof (greg_t);  in mach_cpucontext_alloc()
392 	vgc.kernel_sp = (ulong_t)tp->t_stk;  in mach_cpucontext_alloc()
394 	err = mp_set_cpu_context(&vgc, cp);  in mach_cpucontext_alloc()
446 pcb_to_user_regs(label_t *pcb, vcpu_guest_context_t *vgc)  in pcb_to_user_regs()  argument
449 	vgc->user_regs.rip = pcb->val[REG_LABEL_PC];  in pcb_to_user_regs()
450 	vgc->user_regs.rsp = pcb->val[REG_LABEL_SP];  in pcb_to_user_regs()
451 	vgc->user_regs.rbp = pcb->val[REG_LABEL_BP];  in pcb_to_user_regs()
452 	vgc->user_regs.rbx = pcb->val[REG_LABEL_RBX];  in pcb_to_user_regs()
453 	vgc->user_regs.r12 = pcb->val[REG_LABEL_R12];  in pcb_to_user_regs()
454 	vgc->user_regs.r13 = pcb->val[REG_LABEL_R13];  in pcb_to_user_regs()
455 	vgc->user_regs.r14 = pcb->val[REG_LABEL_R14];  in pcb_to_user_regs()
456 	vgc->user_regs.r15 = pcb->val[REG_LABEL_R15];  in pcb_to_user_regs()
458 	vgc->user_regs.eip = pcb->val[REG_LABEL_PC];  in pcb_to_user_regs()
459 	vgc->user_regs.esp = pcb->val[REG_LABEL_SP];  in pcb_to_user_regs()
460 	vgc->user_regs.ebp = pcb->val[REG_LABEL_BP];  in pcb_to_user_regs()
461 	vgc->user_regs.ebx = pcb->val[REG_LABEL_EBX];  in pcb_to_user_regs()
462 	vgc->user_regs.esi = pcb->val[REG_LABEL_ESI];  in pcb_to_user_regs()
463 	vgc->user_regs.edi = pcb->val[REG_LABEL_EDI];  in pcb_to_user_regs()
474 	vcpu_guest_context_t vgc;  in mach_cpucontext_restore()  local
480 	bzero(&vgc, sizeof (vgc));  in mach_cpucontext_restore()
482 	pcb_to_user_regs(&cp->cpu_thread->t_pcb, &vgc);  in mach_cpucontext_restore()
490 	vgc.user_regs.rax = 1;  in mach_cpucontext_restore()
491 	vgc.user_regs.rsp += sizeof (ulong_t);  in mach_cpucontext_restore()
493 	vgc.user_regs.eax = 1;  in mach_cpucontext_restore()
494 	vgc.user_regs.esp += sizeof (ulong_t);  in mach_cpucontext_restore()
497 	vgc.kernel_sp = cp->cpu_thread->t_sp;  in mach_cpucontext_restore()
499 	err = mp_set_cpu_context(&vgc, cp);  in mach_cpucontext_restore()
958 xen_vcpu_initialize(processorid_t id, vcpu_guest_context_t *vgc)  in xen_vcpu_initialize()  argument
962 	if ((err = HYPERVISOR_vcpu_op(VCPUOP_initialise, id, vgc)) != 0) {  in xen_vcpu_initialize()