2  * x86 host CPU functions, and "host" cpu type initialization
7  * See the COPYING file in the top-level directory.
11 #include "cpu.h"
12 #include "host-cpu.h"
14 #include "qemu/error-report.h"
17 /* Note: Only safe for use on x86(-64) hosts */
45 static void host_cpu_adjust_phys_bits(X86CPU *cpu)  in host_cpu_adjust_phys_bits()  argument
48     uint32_t phys_bits = cpu->phys_bits;  in host_cpu_adjust_phys_bits()
56                          " does not match phys-bits property (%u)",  in host_cpu_adjust_phys_bits()
60     if (cpu->host_phys_bits) {  in host_cpu_adjust_phys_bits()
63         if (cpu->host_phys_bits_limit &&  in host_cpu_adjust_phys_bits()
64             phys_bits > cpu->host_phys_bits_limit) {  in host_cpu_adjust_phys_bits()
65             phys_bits = cpu->host_phys_bits_limit;  in host_cpu_adjust_phys_bits()
69     cpu->phys_bits = phys_bits;  in host_cpu_adjust_phys_bits()
74     X86CPU *cpu = X86_CPU(cs);  in host_cpu_realizefn()  local
75     CPUX86State *env = &cpu->env;  in host_cpu_realizefn()
77     if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {  in host_cpu_realizefn()
78         host_cpu_adjust_phys_bits(cpu);  in host_cpu_realizefn()
86  * Get CPUID model ID string from host CPU.
100         memcpy(str + i * 16 +  0, &eax, 4);  in host_cpu_fill_model_id()
101         memcpy(str + i * 16 +  4, &ebx, 4);  in host_cpu_fill_model_id()
102         memcpy(str + i * 16 +  8, &ecx, 4);  in host_cpu_fill_model_id()
103         memcpy(str + i * 16 + 12, &edx, 4);  in host_cpu_fill_model_id()
120         *model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);  in host_cpu_vendor_fms()
127 void host_cpu_instance_init(X86CPU *cpu)  in host_cpu_instance_init()  argument
129     X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);  in host_cpu_instance_init()
131     if (xcc->model) {  in host_cpu_instance_init()
137         object_property_set_str(OBJECT(cpu), "vendor", vendor, &error_abort);  in host_cpu_instance_init()
141 void host_cpu_max_instance_init(X86CPU *cpu)  in host_cpu_max_instance_init()  argument
147     /* Use max host physical address bits if -cpu max option is applied */  in host_cpu_max_instance_init()
148     object_property_set_bool(OBJECT(cpu), "host-phys-bits", true, &error_abort);  in host_cpu_max_instance_init()
153     object_property_set_str(OBJECT(cpu), "vendor", vendor, &error_abort);  in host_cpu_max_instance_init()
154     object_property_set_int(OBJECT(cpu), "family", family, &error_abort);  in host_cpu_max_instance_init()
155     object_property_set_int(OBJECT(cpu), "model", model, &error_abort);  in host_cpu_max_instance_init()
156     object_property_set_int(OBJECT(cpu), "stepping", stepping,  in host_cpu_max_instance_init()
158     object_property_set_str(OBJECT(cpu), "model-id", model_id,  in host_cpu_max_instance_init()
166     xcc->host_cpuid_required = true;  in host_cpu_class_init()
167     xcc->ordering = 8;  in host_cpu_class_init()
168     xcc->model_description =  in host_cpu_class_init()