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Show First 20 Lines • Show All 1,789 Lines • ▼ Show 20 Lines	if (use_xsave) {
xhdr = (struct xstate_hdr *)(get_pcb_user_save_td(&thread0) +		xhdr = (struct xstate_hdr *)(get_pcb_user_save_td(&thread0) +
1);		1);
xhdr->xstate_bv = xsave_mask;		xhdr->xstate_bv = xsave_mask;
}		}
/* make an initial tss so cpu can get interrupt stack on syscall! */		/* make an initial tss so cpu can get interrupt stack on syscall! */
rsp0 = (vm_offset_t)thread0.td_pcb;		rsp0 = (vm_offset_t)thread0.td_pcb;
/* Ensure the stack is aligned to 16 bytes */		/* Ensure the stack is aligned to 16 bytes */
rsp0 &= ~0xFul;		rsp0 &= ~0xFul;
common_tss[0].tss_rsp0 = pti ? ((vm_offset_t)PCPU_PTR(pti_stack) +		common_tss[0].tss_rsp0 = rsp0;
PC_PTI_STACK_SZ * sizeof(uint64_t)) & ~0xful : rsp0;
PCPU_SET(rsp0, rsp0);		PCPU_SET(rsp0, rsp0);
		PCPU_SET(pti_rsp0, ((vm_offset_t)PCPU_PTR(pti_stack) +
		PC_PTI_STACK_SZ * sizeof(uint64_t)) & ~0xful);
PCPU_SET(curpcb, thread0.td_pcb);		PCPU_SET(curpcb, thread0.td_pcb);

/* transfer to user mode */		/* transfer to user mode */

_ucodesel = GSEL(GUCODE_SEL, SEL_UPL);		_ucodesel = GSEL(GUCODE_SEL, SEL_UPL);
_udatasel = GSEL(GUDATA_SEL, SEL_UPL);		_udatasel = GSEL(GUDATA_SEL, SEL_UPL);
_ucode32sel = GSEL(GUCODE32_SEL, SEL_UPL);		_ucode32sel = GSEL(GUCODE32_SEL, SEL_UPL);
_ufssel = GSEL(GUFS32_SEL, SEL_UPL);		_ufssel = GSEL(GUFS32_SEL, SEL_UPL);
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