260 static ulong reg_read(struct x86_emulate_ctxt *ctxt, unsigned nr)  in reg_read()  function
278 	reg_read(ctxt, nr);  in reg_rmw()
515 	return address_mask(ctxt, reg_read(ctxt, reg));  in register_address()
1202 		unsigned bx = reg_read(ctxt, VCPU_REGS_RBX);  in decode_modrm()
1203 		unsigned bp = reg_read(ctxt, VCPU_REGS_RBP);  in decode_modrm()
1204 		unsigned si = reg_read(ctxt, VCPU_REGS_RSI);  in decode_modrm()
1205 		unsigned di = reg_read(ctxt, VCPU_REGS_RDI);  in decode_modrm()
1262 				modrm_ea += reg_read(ctxt, base_reg);  in decode_modrm()
1270 				modrm_ea += reg_read(ctxt, index_reg) << scale;  in decode_modrm()
1277 			modrm_ea += reg_read(ctxt, base_reg);  in decode_modrm()
1417 			address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) : 1;  in pio_in_emulated()
1419 			offset_in_page(reg_read(ctxt, VCPU_REGS_RDI)) :  in pio_in_emulated()
1420 			PAGE_SIZE - offset_in_page(reg_read(ctxt, VCPU_REGS_RDI));  in pio_in_emulated()
1758 	addr.ea = reg_read(ctxt, VCPU_REGS_RSP) & stack_mask(ctxt);  in push()
1777 	addr.ea = reg_read(ctxt, VCPU_REGS_RSP) & stack_mask(ctxt);  in emulate_pop()
1852 	rbp = reg_read(ctxt, VCPU_REGS_RBP);  in em_enter()
1856 	assign_masked(reg_rmw(ctxt, VCPU_REGS_RBP), reg_read(ctxt, VCPU_REGS_RSP),  in em_enter()
1859 		      reg_read(ctxt, VCPU_REGS_RSP) - frame_size,  in em_enter()
1866 	assign_masked(reg_rmw(ctxt, VCPU_REGS_RSP), reg_read(ctxt, VCPU_REGS_RBP),  in em_leave()
1905 	unsigned long old_esp = reg_read(ctxt, VCPU_REGS_RSP);  in em_pusha()
1911 		(ctxt->src.val = old_esp) : (ctxt->src.val = reg_read(ctxt, reg));  in em_pusha()
2153 	if (((u32) (old >> 0) != (u32) reg_read(ctxt, VCPU_REGS_RAX)) ||  in em_cmpxchg8b()
2154 	    ((u32) (old >> 32) != (u32) reg_read(ctxt, VCPU_REGS_RDX))) {  in em_cmpxchg8b()
2159 		ctxt->dst.val64 = ((u64)reg_read(ctxt, VCPU_REGS_RCX) << 32) |  in em_cmpxchg8b()
2160 			(u32) reg_read(ctxt, VCPU_REGS_RBX);  in em_cmpxchg8b()
2229 	ctxt->dst.val = reg_read(ctxt, VCPU_REGS_RAX);  in em_cmpxchg()
2478 	rcx = reg_read(ctxt, VCPU_REGS_RCX);  in em_sysexit()
2479 	rdx = reg_read(ctxt, VCPU_REGS_RDX);  in em_sysexit()
2581 	tss->ax = reg_read(ctxt, VCPU_REGS_RAX);  in save_state_to_tss16()
2582 	tss->cx = reg_read(ctxt, VCPU_REGS_RCX);  in save_state_to_tss16()
2583 	tss->dx = reg_read(ctxt, VCPU_REGS_RDX);  in save_state_to_tss16()
2584 	tss->bx = reg_read(ctxt, VCPU_REGS_RBX);  in save_state_to_tss16()
2585 	tss->sp = reg_read(ctxt, VCPU_REGS_RSP);  in save_state_to_tss16()
2586 	tss->bp = reg_read(ctxt, VCPU_REGS_RBP);  in save_state_to_tss16()
2587 	tss->si = reg_read(ctxt, VCPU_REGS_RSI);  in save_state_to_tss16()
2588 	tss->di = reg_read(ctxt, VCPU_REGS_RDI);  in save_state_to_tss16()
2700 	tss->eax = reg_read(ctxt, VCPU_REGS_RAX);  in save_state_to_tss32()
2701 	tss->ecx = reg_read(ctxt, VCPU_REGS_RCX);  in save_state_to_tss32()
2702 	tss->edx = reg_read(ctxt, VCPU_REGS_RDX);  in save_state_to_tss32()
2703 	tss->ebx = reg_read(ctxt, VCPU_REGS_RBX);  in save_state_to_tss32()
2704 	tss->esp = reg_read(ctxt, VCPU_REGS_RSP);  in save_state_to_tss32()
2705 	tss->ebp = reg_read(ctxt, VCPU_REGS_RBP);  in save_state_to_tss32()
2706 	tss->esi = reg_read(ctxt, VCPU_REGS_RSI);  in save_state_to_tss32()
2707 	tss->edi = reg_read(ctxt, VCPU_REGS_RDI);  in save_state_to_tss32()
3161 	if (ctxt->ops->read_pmc(ctxt, reg_read(ctxt, VCPU_REGS_RCX), &pmc))  in em_rdpmc()
3246 	msr_data = (u32)reg_read(ctxt, VCPU_REGS_RAX)  in em_wrmsr()
3247 		| ((u64)reg_read(ctxt, VCPU_REGS_RDX) << 32);  in em_wrmsr()
3248 	if (ctxt->ops->set_msr(ctxt, reg_read(ctxt, VCPU_REGS_RCX), msr_data))  in em_wrmsr()
3258 	if (ctxt->ops->get_msr(ctxt, reg_read(ctxt, VCPU_REGS_RCX), &msr_data))  in em_rdmsr()
3431 	if ((address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) != 0) &&  in em_loop()
3442 	if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0)  in em_jcxz()
3489 	eax = reg_read(ctxt, VCPU_REGS_RAX);  in em_cpuid()
3490 	ecx = reg_read(ctxt, VCPU_REGS_RCX);  in em_cpuid()
3687 	u64 rax = reg_read(ctxt, VCPU_REGS_RAX);  in check_svme_pa()
3709 	u64 rcx = reg_read(ctxt, VCPU_REGS_RCX);  in check_rdpmc()
4375 		op->val = reg_read(ctxt, VCPU_REGS_RCX) & 0xff;  in decode_operand()
4425 				reg_read(ctxt, VCPU_REGS_RBX) +  in decode_operand()
4426 				(reg_read(ctxt, VCPU_REGS_RAX) & 0xff));  in decode_operand()
4912 			if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0) {  in x86_emulate_insn()
5088 			if ((r->end != 0 || reg_read(ctxt, VCPU_REGS_RCX) & 0x3ff) &&  in x86_emulate_insn()