2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vppinfra/clib.h>
16 #include <vppinfra/format.h>
17 #include <vppinfra/cpu.h>
19 #define foreach_x86_cpu_uarch \
20 _(0x06, 0x9e, "Kaby Lake", "Kaby Lake DT/H/S/X") \
21 _(0x06, 0x8e, "Kaby Lake", "Kaby Lake Y/U") \
22 _(0x06, 0x85, "Knights Mill", "Knights Mill") \
23 _(0x06, 0x5f, "Goldmont", "Denverton") \
24 _(0x06, 0x5e, "Skylake", "Skylake DT/H/S") \
25 _(0x06, 0x5c, "Goldmont", "Apollo Lake") \
26 _(0x06, 0x5a, "Silvermont", "Moorefield") \
27 _(0x06, 0x57, "Knights Landing", "Knights Landing") \
28 _(0x06, 0x56, "Broadwell", "Broadwell DE") \
29 _(0x06, 0x55, "Skylake", "Skylake X/SP") \
30 _(0x06, 0x4f, "Broadwell", "Broadwell EP/EX") \
31 _(0x06, 0x4e, "Skylake", "Skylake Y/U") \
32 _(0x06, 0x4d, "Silvermont", "Rangeley") \
33 _(0x06, 0x4c, "Airmont", "Braswell") \
34 _(0x06, 0x47, "Broadwell", "Broadwell H") \
35 _(0x06, 0x46, "Haswell", "Crystalwell") \
36 _(0x06, 0x45, "Haswell", "Haswell ULT") \
37 _(0x06, 0x3f, "Haswell", "Haswell E") \
38 _(0x06, 0x3e, "Ivy Bridge", "Ivy Bridge E/EN/EP") \
39 _(0x06, 0x3d, "Broadwell", "Broadwell U") \
40 _(0x06, 0x3c, "Haswell", "Haswell") \
41 _(0x06, 0x3a, "Ivy Bridge", "IvyBridge") \
42 _(0x06, 0x37, "Silvermont", "BayTrail") \
43 _(0x06, 0x36, "Saltwell", "Cedarview,Centerton") \
44 _(0x06, 0x35, "Saltwell", "Cloverview") \
45 _(0x06, 0x2f, "Westmere", "Westmere EX") \
46 _(0x06, 0x2e, "Nehalem", "Nehalem EX") \
47 _(0x06, 0x2d, "Sandy Bridge", "SandyBridge E/EN/EP") \
48 _(0x06, 0x2c, "Westmere", "Westmere EP/EX,Gulftown") \
49 _(0x06, 0x2a, "Sandy Bridge", "Sandy Bridge") \
50 _(0x06, 0x27, "Saltwell", "Medfield") \
51 _(0x06, 0x26, "Bonnell", "Tunnel Creek") \
52 _(0x06, 0x25, "Westmere", "Arrandale,Clarksdale") \
53 _(0x06, 0x1e, "Nehalem", "Clarksfield,Lynnfield,Jasper Forest") \
54 _(0x06, 0x1d, "Penryn", "Dunnington") \
55 _(0x06, 0x1c, "Bonnell", "Pineview,Silverthorne") \
56 _(0x06, 0x1a, "Nehalem", "Nehalem EP,Bloomfield)") \
57 _(0x06, 0x17, "Penryn", "Yorkfield,Wolfdale,Penryn,Harpertown")
60 format_cpu_uarch (u8 * s, va_list * args)
63 u32 __attribute__ ((unused)) eax, ebx, ecx, edx;
66 if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0)
67 return format (s, "unknown (missing cpuid)");
69 model = ((eax >> 4) & 0x0f) | ((eax >> 12) & 0xf0);
70 family = (eax >> 8) & 0x0f;
72 #define _(f,m,a,c) if ((model == m) && (family == f)) return format(s, "%s (%s)", a, c);
75 return format (s, "unknown (family 0x%02x model 0x%02x)", family, model);
77 #else /* ! __x86_64__ */
78 return format (s, "unknown");
83 format_cpu_model_name (u8 * s, va_list * args)
86 u32 __attribute__ ((unused)) eax, ebx, ecx, edx;
90 if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0)
91 return format (s, "unknown (missing cpuid)");
93 __get_cpuid (0x80000000, &eax, &ebx, &ecx, &edx);
95 return format (s, "unknown (missing ext feature)");
97 vec_validate (name, 48);
98 name_u32 = (u32 *) name;
100 __get_cpuid (0x80000002, &eax, &ebx, &ecx, &edx);
106 __get_cpuid (0x80000003, &eax, &ebx, &ecx, &edx);
112 __get_cpuid (0x80000004, &eax, &ebx, &ecx, &edx);
118 s = format (s, "%s", name);
122 #elif defined(__aarch64__)
123 return format (s, "armv8");
124 #else /* ! __x86_64__ */
125 return format (s, "unknown");
130 static inline char const *
131 flag_skip_prefix (char const *flag)
133 if (memcmp (flag, "x86_", sizeof ("x86_") - 1) == 0)
134 return flag + sizeof ("x86_") - 1;
135 if (memcmp (flag, "aarch64_", sizeof ("aarch64_") - 1) == 0)
136 return flag + sizeof ("aarch64_") - 1;
141 format_cpu_flags (u8 * s, va_list * args)
143 #if defined(__x86_64__)
144 #define _(flag, func, reg, bit) \
145 if (clib_cpu_supports_ ## flag()) \
146 s = format (s, "%s ", flag_skip_prefix(#flag));
147 foreach_x86_64_flags return s;
149 #elif defined(__aarch64__)
150 #define _(flag, bit) \
151 if (clib_cpu_supports_ ## flag()) \
152 s = format (s, "%s ", flag_skip_prefix(#flag));
153 foreach_aarch64_flags return s;
155 #else /* ! ! __x86_64__ && ! __aarch64__ */
156 return format (s, "unknown");
163 * fd.io coding-style-patch-verification: ON
166 * eval: (c-set-style "gnu")