245 static ulong reg_read(struct x86_emulate_ctxt *ctxt, unsigned nr)  in reg_read()  function
272 	reg_read(ctxt, nr);  in reg_rmw()
575 	return address_mask(ctxt, reg_read(ctxt, reg));  in register_address()
1247 		unsigned bx = reg_read(ctxt, VCPU_REGS_RBX);  in decode_modrm()
1248 		unsigned bp = reg_read(ctxt, VCPU_REGS_RBP);  in decode_modrm()
1249 		unsigned si = reg_read(ctxt, VCPU_REGS_RSI);  in decode_modrm()
1250 		unsigned di = reg_read(ctxt, VCPU_REGS_RDI);  in decode_modrm()
1307 				modrm_ea += reg_read(ctxt, base_reg);  in decode_modrm()
1315 				modrm_ea += reg_read(ctxt, index_reg) << scale;  in decode_modrm()
1322 			modrm_ea += reg_read(ctxt, base_reg);  in decode_modrm()
1463 			address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) : 1;  in pio_in_emulated()
1465 			offset_in_page(reg_read(ctxt, VCPU_REGS_RDI)) :  in pio_in_emulated()
1466 			PAGE_SIZE - offset_in_page(reg_read(ctxt, VCPU_REGS_RDI));  in pio_in_emulated()
1851 	addr.ea = reg_read(ctxt, VCPU_REGS_RSP) & stack_mask(ctxt);  in push()
1870 	addr.ea = reg_read(ctxt, VCPU_REGS_RSP) & stack_mask(ctxt);  in emulate_pop()
1945 	rbp = reg_read(ctxt, VCPU_REGS_RBP);  in em_enter()
1949 	assign_masked(reg_rmw(ctxt, VCPU_REGS_RBP), reg_read(ctxt, VCPU_REGS_RSP),  in em_enter()
1952 		      reg_read(ctxt, VCPU_REGS_RSP) - frame_size,  in em_enter()
1959 	assign_masked(reg_rmw(ctxt, VCPU_REGS_RSP), reg_read(ctxt, VCPU_REGS_RBP),  in em_leave()
1998 	unsigned long old_esp = reg_read(ctxt, VCPU_REGS_RSP);  in em_pusha()
2004 		(ctxt->src.val = old_esp) : (ctxt->src.val = reg_read(ctxt, reg));  in em_pusha()
2238 	if (((u32) (old >> 0) != (u32) reg_read(ctxt, VCPU_REGS_RAX)) ||  in em_cmpxchg8b()
2239 	    ((u32) (old >> 32) != (u32) reg_read(ctxt, VCPU_REGS_RDX))) {  in em_cmpxchg8b()
2244 		ctxt->dst.val64 = ((u64)reg_read(ctxt, VCPU_REGS_RCX) << 32) |  in em_cmpxchg8b()
2245 			(u32) reg_read(ctxt, VCPU_REGS_RBX);  in em_cmpxchg8b()
2305 	ctxt->dst.val = reg_read(ctxt, VCPU_REGS_RAX);  in em_cmpxchg()
2874 	rcx = reg_read(ctxt, VCPU_REGS_RCX);  in em_sysexit()
2875 	rdx = reg_read(ctxt, VCPU_REGS_RDX);  in em_sysexit()
3013 	tss->ax = reg_read(ctxt, VCPU_REGS_RAX);  in save_state_to_tss16()
3014 	tss->cx = reg_read(ctxt, VCPU_REGS_RCX);  in save_state_to_tss16()
3015 	tss->dx = reg_read(ctxt, VCPU_REGS_RDX);  in save_state_to_tss16()
3016 	tss->bx = reg_read(ctxt, VCPU_REGS_RBX);  in save_state_to_tss16()
3017 	tss->sp = reg_read(ctxt, VCPU_REGS_RSP);  in save_state_to_tss16()
3018 	tss->bp = reg_read(ctxt, VCPU_REGS_RBP);  in save_state_to_tss16()
3019 	tss->si = reg_read(ctxt, VCPU_REGS_RSI);  in save_state_to_tss16()
3020 	tss->di = reg_read(ctxt, VCPU_REGS_RDI);  in save_state_to_tss16()
3126 	tss->eax = reg_read(ctxt, VCPU_REGS_RAX);  in save_state_to_tss32()
3127 	tss->ecx = reg_read(ctxt, VCPU_REGS_RCX);  in save_state_to_tss32()
3128 	tss->edx = reg_read(ctxt, VCPU_REGS_RDX);  in save_state_to_tss32()
3129 	tss->ebx = reg_read(ctxt, VCPU_REGS_RBX);  in save_state_to_tss32()
3130 	tss->esp = reg_read(ctxt, VCPU_REGS_RSP);  in save_state_to_tss32()
3131 	tss->ebp = reg_read(ctxt, VCPU_REGS_RBP);  in save_state_to_tss32()
3132 	tss->esi = reg_read(ctxt, VCPU_REGS_RSI);  in save_state_to_tss32()
3133 	tss->edi = reg_read(ctxt, VCPU_REGS_RDI);  in save_state_to_tss32()
3596 	if (ctxt->ops->read_pmc(ctxt, reg_read(ctxt, VCPU_REGS_RCX), &pmc))  in em_rdpmc()
3686 	u64 msr_index = reg_read(ctxt, VCPU_REGS_RCX);  in em_wrmsr()
3690 	msr_data = (u32)reg_read(ctxt, VCPU_REGS_RAX)  in em_wrmsr()
3691 		| ((u64)reg_read(ctxt, VCPU_REGS_RDX) << 32);  in em_wrmsr()
3702 	u64 msr_index = reg_read(ctxt, VCPU_REGS_RCX);  in em_rdmsr()
3911 	if ((address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) != 0) &&  in em_loop()
3922 	if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0)  in em_jcxz()
3976 	eax = reg_read(ctxt, VCPU_REGS_RAX);  in em_cpuid()
3977 	ecx = reg_read(ctxt, VCPU_REGS_RCX);  in em_cpuid()
4180 	eax = reg_read(ctxt, VCPU_REGS_RAX);  in em_xsetbv()
4181 	edx = reg_read(ctxt, VCPU_REGS_RDX);  in em_xsetbv()
4182 	ecx = reg_read(ctxt, VCPU_REGS_RCX);  in em_xsetbv()
4269 	u64 rax = reg_read(ctxt, VCPU_REGS_RAX);  in check_svme_pa()
4291 	u64 rcx = reg_read(ctxt, VCPU_REGS_RCX);  in check_rdpmc()
5005 		op->val = reg_read(ctxt, VCPU_REGS_RCX) & 0xff;  in decode_operand()
5055 				reg_read(ctxt, VCPU_REGS_RBX) +  in decode_operand()
5056 				(reg_read(ctxt, VCPU_REGS_RAX) & 0xff));  in decode_operand()
5573 			if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0) {  in x86_emulate_insn()
5746 			if ((r->end != 0 || reg_read(ctxt, VCPU_REGS_RCX) & 0x3ff) &&  in x86_emulate_insn()