/* * Copyright (c) 2016 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <vppinfra/clib.h> #include <vppinfra/format.h> #include <vppinfra/cpu.h> #define foreach_x86_cpu_uarch \ _(0x06, 0x4f, "Broadwell", "Broadwell-EP/EX") \ _(0x06, 0x3d, "Broadwell", "Broadwell") \ _(0x06, 0x3f, "Haswell", "Haswell-E") \ _(0x06, 0x3c, "Haswell", "Haswell") \ _(0x06, 0x3e, "IvyBridge", "IvyBridge-E/EN/EP") \ _(0x06, 0x3a, "IvyBridge", "IvyBridge") \ _(0x06, 0x2a, "SandyBridge", "SandyBridge") \ _(0x06, 0x2d, "SandyBridge", "SandyBridge-E/EN/EP") \ _(0x06, 0x25, "Westmere", "Arrandale,Clarksdale") \ _(0x06, 0x2c, "Westmere", "Westmere-EP/EX,Gulftown") \ _(0x06, 0x2f, "Westmere", "Westmere-EX") \ _(0x06, 0x1e, "Nehalem", "Clarksfield,Lynnfield,Jasper Forest") \ _(0x06, 0x1a, "Nehalem", "Nehalem-EP,Bloomfield)") \ _(0x06, 0x2e, "Nehalem", "Nehalem-EX") \ _(0x06, 0x17, "Penryn", "Yorkfield,Wolfdale,Penryn,Harpertown (DP)") \ _(0x06, 0x1d, "Penryn", "Dunnington (MP)") \ _(0x06, 0x37, "Atom", "Bay Trail") \ _(0x06, 0x36, "Atom", "Cedarview") \ _(0x06, 0x26, "Atom", "Lincroft") \ _(0x06, 0x1c, "Atom", "Pineview/Silverthorne") u8 * format_cpu_uarch (u8 * s, va_list * args) { #if __x86_64__ u32 __attribute__ ((unused)) eax, ebx, ecx, edx; u8 model, family; if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0) return format (s, "unknown (missing cpuid)"); model = ((eax >> 4) & 0x0f) | ((eax >> 12) & 0xf0); family = (eax >> 8) & 0x0f; #define _(f,m,a,c) if ((model == m) && (family == f)) return format(s, "%s (%s)", a, c); foreach_x86_cpu_uarch #undef _ return format (s, "unknown (family 0x%02x model 0x%02x)", family, model); #else /* ! __x86_64__ */ return format (s, "unknown"); #endif } u8 * format_cpu_model_name (u8 * s, va_list * args) { #if __x86_64__ u32 __attribute__ ((unused)) eax, ebx, ecx, edx; u8 *name = 0; u32 *name_u32; if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0) return format (s, "unknown (missing cpuid)"); __get_cpuid (0x80000000, &eax, &ebx, &ecx, &edx); if (eax < 0x80000004) return format (s, "unknown (missing ext feature)"); vec_validate (name, 48); name_u32 = (u32 *) name; __get_cpuid (0x80000002, &eax, &ebx, &ecx, &edx); name_u32[0] = eax; name_u32[1] = ebx; name_u32[2] = ecx; name_u32[3] = edx; __get_cpuid (0x80000003, &eax, &ebx, &ecx, &edx); name_u32[4] = eax; name_u32[5] = ebx; name_u32[6] = ecx; name_u32[7] = edx; __get_cpuid (0x80000004, &eax, &ebx, &ecx, &edx); name_u32[8] = eax; name_u32[9] = ebx; name_u32[10] = ecx; name_u32[11] = edx; s = format (s, "%s", name); vec_free (name); return s; #elif defined(__aarch64__) return format (s, "armv8"); #else /* ! __x86_64__ */ return format (s, "unknown"); #endif } u8 * format_cpu_flags (u8 * s, va_list * args) { #if defined(__x86_64__) #define _(flag, func, reg, bit) \ if (clib_cpu_supports_ ## flag()) \ s = format (s, #flag " "); foreach_x86_64_flags return s; #undef _ #else /* ! __x86_64__ */ return format (s, "unknown"); #endif } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */