this repo has no description
Implement brand_string, max_basic, stepping, family, model, features
+149
-20
+149
-20
src/kernel/emulation/linux/misc/sysctl_machdep.c
+149
-20
src/kernel/emulation/linux/misc/sysctl_machdep.c
···
6
6
};
7
7
8
8
enum {
9
-
_CPU_BRAND_STRING = 1000,
10
-
_CPU_MAX_BASIC=999,
9
+
_CPU_VENDOR = 1000,
10
+
_CPU_MAX_BASIC,
11
+
_CPU_FAMILY,
12
+
_CPU_MODEL,
13
+
_CPU_STEPPING,
14
+
_CPU_BRAND_STRING,
15
+
_CPU_FEATURES,
11
16
};
12
17
13
-
static sysctl_handler(handle_brand_string);
18
+
static sysctl_handler(handle_vendor);
14
19
static sysctl_handler(handle_max_basic);
20
+
static sysctl_handler(handle_family);
21
+
static sysctl_handler(handle_model);
22
+
static sysctl_handler(handle_stepping);
23
+
static sysctl_handler(handle_brand_string);
24
+
static sysctl_handler(handle_features);
15
25
16
26
const struct known_sysctl sysctls_machdep_cpu[] = {
17
-
{ .oid = _CPU_BRAND_STRING, .type = CTLTYPE_STRING, .exttype = "S", .name = "brand_string", .handler = handle_brand_string },
18
-
{ .oid = _CPU_MAX_BASIC, .type = CTLTYPE_INT, .exttype = "I", .name = "max_basic", .handler = handle_max_basic },
27
+
{ .oid = _CPU_MAX_BASIC, .type = CTLTYPE_INT, .exttype = "I", .name = "max_basic", .handler = handle_max_basic },
28
+
{ .oid = _CPU_VENDOR, .type = CTLTYPE_STRING, .exttype = "S", .name = "vendor", .handler = handle_vendor },
29
+
{ .oid = _CPU_FAMILY, .type = CTLTYPE_INT, .exttype = "I", .name = "family", .handler = handle_family },
30
+
{ .oid = _CPU_MODEL, .type = CTLTYPE_INT, .exttype = "I", .name = "model", .handler = handle_model },
31
+
{ .oid = _CPU_STEPPING, .type = CTLTYPE_INT, .exttype = "I", .name = "stepping", .handler = handle_stepping },
32
+
{ .oid = _CPU_BRAND_STRING, .type = CTLTYPE_STRING, .exttype = "S", .name = "vendor", .handler = handle_brand_string },
33
+
{ .oid = _CPU_FEATURES, .type = CTLTYPE_STRING, .exttype = "S", .name = "features", .handler = handle_features },
19
34
{ .oid = -1 }
20
35
};
21
36
···
31
46
: "0" (level))
32
47
#endif
33
48
34
-
sysctl_handler(handle_brand_string)
49
+
#ifndef setup
50
+
#define setup(value)\
51
+
unsigned int level = 0;\
52
+
unsigned int eax = value;\
53
+
unsigned int ebx;\
54
+
unsigned int edx;\
55
+
unsigned int ecx
56
+
57
+
sysctl_handler(handle_vendor)
35
58
{
36
59
unsigned int level = 0;
37
60
unsigned int eax = 0;
···
56
79
57
80
sysctl_handler(handle_max_basic)
58
81
{
59
-
unsigned int level = 0;
60
-
unsigned int eax = 0;
61
-
union
62
-
{
63
-
struct
64
-
{
65
-
unsigned int ebx;
66
-
unsigned int edx;
67
-
unsigned int ecx;
68
-
};
69
-
char name[13];
70
-
} v;
82
+
setup(0);
83
+
84
+
85
+
__cpuid(level, eax, ebx, ecx, edx);
71
86
72
-
__cpuid(level, eax, v.ebx, v.ecx, v.edx);
73
87
74
-
75
88
sprintf(old,"%d",eax);
76
89
77
90
return 0;
78
91
}
79
92
93
+
sysctl_handler(handle_family)
94
+
{
95
+
setup(1);
96
+
97
+
__cpuid(level, eax, ebx, ecx, edx);
98
+
99
+
eax = eax >> 7;
100
+
eax &= 15;
101
+
102
+
sprintf(old,"%d",eax);
103
+
104
+
return 0;
105
+
}
106
+
107
+
sysctl_handler(handle_model)
108
+
{
109
+
setup(1);
110
+
111
+
__cpuid(level, eax, ebx, ecx, edx);
112
+
113
+
eax = eax >> 3;
114
+
eax &= 15;
115
+
116
+
sprintf(old,"%d",eax);
117
+
118
+
return 0;
119
+
}
120
+
121
+
sysctl_handler(handle_stepping)
122
+
{
123
+
setup(1);
124
+
125
+
__cpuid(level, eax, ebx, ecx, edx);
126
+
127
+
eax &= 15;
128
+
129
+
sprintf(old,"%d",eax);
130
+
131
+
return 0;
132
+
}
133
+
134
+
sysctl_handler(handle_brand_string)
135
+
{
136
+
unsigned int level = 0;
137
+
unsigned int eax = 0x80000000;
138
+
139
+
unsigned int test[3];
140
+
141
+
__cpuid(level,eax,test, test+1,test+2);
142
+
143
+
if(eax < 0x80000004) // the information is not implemented
144
+
return 2;
145
+
146
+
eax = 0x80000001;
147
+
148
+
union
149
+
{
150
+
unsigned int brand[12];
151
+
char name[49];
152
+
} v;
153
+
154
+
__cpuid(level, eax, v.brand+0x1, v.brand+0x2, v.brand+0x3);
155
+
v.brand[0x0] = eax;
156
+
eax = 0x80000002;
157
+
158
+
__cpuid(level, eax, v.brand+0x5, v.brand+0x6, v.brand+0x7);
159
+
v.brand[0x4] = eax;
160
+
eax = 0x80000003;
161
+
162
+
__cpuid(level, eax, v.brand+0x9, v.brand+0xa, v.brand+0xb);
163
+
v.brand[0x8] = eax;
164
+
165
+
v.name[48] = 0;
166
+
copyout_string(v.name, (char*) old, oldlen);
167
+
168
+
return 0;
169
+
}
170
+
sysctl_handler(handle_features)
171
+
{
172
+
setup(1);
173
+
174
+
char *features[] = {"FPU","VME", "DE", "PSE", "TSC", "MSR", "PAE", "MCE", "CX8", "APIC", NULL,"SEP","PGE","MCA",
175
+
"CMOV", "PAT", "PSE-36", "PSN", "CLFSH", "DS", "ACPI", "MMX", "FXSR", "SSE", "SSE2", "SS",
176
+
"HTT", "TM", NULL, "PBE"};
177
+
178
+
char *out = (char*)(calloc(119, sizeof(char))); //"worst" case: we have all of it plus null termination
179
+
180
+
__cpuid(0,eax,ebx,ecx,edx);
181
+
182
+
int j = 0;
183
+
int size = sizeof(char);
184
+
int counter = 0;
185
+
186
+
for (int i = 0; i < 32; ++i)
187
+
{
188
+
if(edx>>i&1)
189
+
{
190
+
for(j=0;j< sizeof(features[i])/size; j++)
191
+
{
192
+
out[counter+j] = features[i][j]
193
+
}
194
+
195
+
counter = counter + j + 1;
196
+
197
+
out[counter] = ' ';
198
+
199
+
counter += 1;
200
+
201
+
}
202
+
}
203
+
204
+
copyout_string(out,(*char) old, oldlen);
205
+
206
+
return 0;
207
+
208
+
}