diff options
author | Damjan Marion <damarion@cisco.com> | 2016-12-19 23:05:39 +0100 |
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committer | Damjan Marion <damarion@cisco.com> | 2016-12-28 12:25:14 +0100 |
commit | 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 (patch) | |
tree | 5de62f8dbd3a752f5a676ca600e43d2652d1ff1a /src/vppinfra/cpu.c | |
parent | 696f1adec0df3b8f161862566dd9c86174302658 (diff) |
Reorganize source tree to use single autotools instance
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vppinfra/cpu.c')
-rw-r--r-- | src/vppinfra/cpu.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/vppinfra/cpu.c b/src/vppinfra/cpu.c new file mode 100644 index 00000000000..a26d5c9ae10 --- /dev/null +++ b/src/vppinfra/cpu.c @@ -0,0 +1,133 @@ +/* + * 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: + */ |