21 #include "cpu.h"
33    if (!var->p) {
38    ar = var->type & 15;
39    ar |= (var->s & 1) << 4;
40    ar |= (var->dpl & 3) << 5;
41    ar |= (var->p & 1) << 7;
42    ar |= (var->avl & 1) << 12;
43    ar |= (var->l & 1) << 13;
44    ar |= (var->db & 1) << 14;
45    ar |= (var->g & 1) << 15;
49 bool x86_read_segment_descriptor(CPUState *cpu,  in x86_read_segment_descriptor()  argument
64         base  = rvmcs(cpu->accel->fd, VMCS_GUEST_GDTR_BASE);  in x86_read_segment_descriptor()
65         limit = rvmcs(cpu->accel->fd, VMCS_GUEST_GDTR_LIMIT);  in x86_read_segment_descriptor()
67         base  = rvmcs(cpu->accel->fd, VMCS_GUEST_LDTR_BASE);  in x86_read_segment_descriptor()
68         limit = rvmcs(cpu->accel->fd, VMCS_GUEST_LDTR_LIMIT);  in x86_read_segment_descriptor()
71     if (sel.index * 8 >= limit) {  in x86_read_segment_descriptor()
75     vmx_read_mem(cpu, desc, base + sel.index * 8, sizeof(*desc));  in x86_read_segment_descriptor()
79 bool x86_write_segment_descriptor(CPUState *cpu,  in x86_write_segment_descriptor()  argument
87         base  = rvmcs(cpu->accel->fd, VMCS_GUEST_GDTR_BASE);  in x86_write_segment_descriptor()
88         limit = rvmcs(cpu->accel->fd, VMCS_GUEST_GDTR_LIMIT);  in x86_write_segment_descriptor()
90         base  = rvmcs(cpu->accel->fd, VMCS_GUEST_LDTR_BASE);  in x86_write_segment_descriptor()
91         limit = rvmcs(cpu->accel->fd, VMCS_GUEST_LDTR_LIMIT);  in x86_write_segment_descriptor()
94     if (sel.index * 8 >= limit) {  in x86_write_segment_descriptor()
98     vmx_write_mem(cpu, base + sel.index * 8, desc, sizeof(*desc));  in x86_write_segment_descriptor()
102 bool x86_read_call_gate(CPUState *cpu, struct x86_call_gate *idt_desc,  in x86_read_call_gate()  argument
105     target_ulong base  = rvmcs(cpu->accel->fd, VMCS_GUEST_IDTR_BASE);  in x86_read_call_gate()
106     uint32_t limit = rvmcs(cpu->accel->fd, VMCS_GUEST_IDTR_LIMIT);  in x86_read_call_gate()
109     if (gate * 8 >= limit) {  in x86_read_call_gate()
114     vmx_read_mem(cpu, idt_desc, base + gate * 8, sizeof(*idt_desc));  in x86_read_call_gate()
118 bool x86_is_protected(CPUState *cpu)  in x86_is_protected()  argument
120     uint64_t cr0 = rvmcs(cpu->accel->fd, VMCS_GUEST_CR0);  in x86_is_protected()
124 bool x86_is_real(CPUState *cpu)  in x86_is_real()  argument
126     return !x86_is_protected(cpu);  in x86_is_real()
129 bool x86_is_v8086(CPUState *cpu)  in x86_is_v8086()  argument
131     X86CPU *x86_cpu = X86_CPU(cpu);  in x86_is_v8086()
132     CPUX86State *env = &x86_cpu->env;  in x86_is_v8086()
133     return x86_is_protected(cpu) && (env->eflags & VM_MASK);  in x86_is_v8086()
136 bool x86_is_long_mode(CPUState *cpu)  in x86_is_long_mode()  argument
138     return rvmcs(cpu->accel->fd, VMCS_GUEST_IA32_EFER) & MSR_EFER_LMA;  in x86_is_long_mode()
141 bool x86_is_long64_mode(CPUState *cpu)  in x86_is_long64_mode()  argument
144     vmx_read_segment_descriptor(cpu, &desc, R_CS);  in x86_is_long64_mode()
146     return x86_is_long_mode(cpu) && ((desc.ar >> 13) & 1);  in x86_is_long64_mode()
149 bool x86_is_paging_mode(CPUState *cpu)  in x86_is_paging_mode()  argument
151     uint64_t cr0 = rvmcs(cpu->accel->fd, VMCS_GUEST_CR0);  in x86_is_paging_mode()
155 bool x86_is_pae_enabled(CPUState *cpu)  in x86_is_pae_enabled()  argument
157     uint64_t cr4 = rvmcs(cpu->accel->fd, VMCS_GUEST_CR4);  in x86_is_pae_enabled()
161 target_ulong linear_addr(CPUState *cpu, target_ulong addr, X86Seg seg)  in linear_addr()  argument
163     return vmx_read_segment_base(cpu, seg) + addr;  in linear_addr()
166 target_ulong linear_addr_size(CPUState *cpu, target_ulong addr, int size,  in linear_addr_size()  argument
179     return linear_addr(cpu, addr, seg);  in linear_addr_size()
182 target_ulong linear_rip(CPUState *cpu, target_ulong rip)  in linear_rip()  argument
184     return linear_addr(cpu, rip, R_CS);  in linear_rip()