X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Fcpu.c;h=9ed8e8025f8e6b13164ea434f86dbba14aa8acba;hb=38e0413b2a7bf39a18045e6c6f528655f8354652;hp=6bd19c8e7f30f8722fe8479c08f35e928e614a5a;hpb=73cb0062e30ec09aa38bc98d91cbdfc86a8fb6c0;p=vpp.git

diff --git a/src/vppinfra/cpu.c b/src/vppinfra/cpu.c
index 6bd19c8e7f3..9ed8e8025f8 100644
--- a/src/vppinfra/cpu.c
+++ b/src/vppinfra/cpu.c
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include <fcntl.h>
 #include <vppinfra/clib.h>
 #include <vppinfra/format.h>
 #include <vppinfra/cpu.h>
@@ -19,7 +20,15 @@
 #define foreach_x86_cpu_uarch \
  _(0x06, 0x9e, "Kaby Lake", "Kaby Lake DT/H/S/X") \
  _(0x06, 0x8e, "Kaby Lake", "Kaby Lake Y/U") \
+ _(0x06, 0x8c, "Tiger Lake", "Tiger Lake U") \
+ _(0x06, 0x86, "Tremont", "Elkhart Lake") \
  _(0x06, 0x85, "Knights Mill", "Knights Mill") \
+ _(0x06, 0x7e, "Ice Lake", "Ice Lake U") \
+ _(0x06, 0x7d, "Ice Lake", "Ice Lake Y") \
+ _(0x06, 0x7a, "Goldmont Plus", "Gemini Lake") \
+ _(0x06, 0x6c, "Ice Lake", "Ice Lake SP") \
+ _(0x06, 0x6a, "Ice Lake", "Ice Lake DE") \
+ _(0x06, 0x66, "Cannon Lake", "Cannon Lake U") \
  _(0x06, 0x5f, "Goldmont", "Denverton") \
  _(0x06, 0x5e, "Skylake", "Skylake DT/H/S") \
  _(0x06, 0x5c, "Goldmont", "Apollo Lake") \
@@ -56,24 +65,78 @@
  _(0x06, 0x1a, "Nehalem", "Nehalem EP,Bloomfield)") \
  _(0x06, 0x17, "Penryn", "Yorkfield,Wolfdale,Penryn,Harpertown")
 
+/* _(implementor-id, part-id, vendor-name, cpu-name, show CPU pass as string) */
+#define foreach_aarch64_cpu_uarch \
+ _(0x41, 0xd03, "ARM", "Cortex-A53", 0) \
+ _(0x41, 0xd07, "ARM", "Cortex-A57", 0) \
+ _(0x41, 0xd08, "ARM", "Cortex-A72", 0) \
+ _(0x41, 0xd09, "ARM", "Cortex-A73", 0) \
+ _(0x43, 0x0a1, "Marvell", "THUNDERX CN88XX", 0) \
+ _(0x43, 0x0a2, "Marvell", "OCTEON TX CN81XX", 0) \
+ _(0x43, 0x0a3, "Marvell", "OCTEON TX CN83XX", 0) \
+ _(0x43, 0x0af, "Marvell", "THUNDERX2 CN99XX", 1) \
+ _(0x43, 0x0b1, "Marvell", "OCTEON TX2 CN98XX", 1) \
+ _(0x43, 0x0b2, "Marvell", "OCTEON TX2 CN96XX", 1)
+
 u8 *
 format_cpu_uarch (u8 * s, va_list * args)
 {
 #if __x86_64__
   u32 __attribute__ ((unused)) eax, ebx, ecx, edx;
-  u8 model, family;
+  u8 model, family, stepping;
 
   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;
+  stepping = eax & 0x0f;
 
-#define _(f,m,a,c) if ((model == m) && (family == f)) return format(s, "%s (%s)", a, c);
+#define _(f,m,a,c) if ((model == m) && (family == f)) return \
+format(s, "[0x%x] %s ([0x%02x] %s) stepping 0x%x", f, a, m, c, stepping);
   foreach_x86_cpu_uarch
 #undef _
     return format (s, "unknown (family 0x%02x model 0x%02x)", family, model);
 
+#elif __aarch64__
+  int fd;
+  unformat_input_t input;
+  u32 implementer, primary_part_number, variant, revision;
+
+  fd = open ("/proc/cpuinfo", 0);
+  if (fd < 0)
+    return format (s, "unknown");
+
+  unformat_init_clib_file (&input, fd);
+  while (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (&input, "CPU implementer%_: 0x%x", &implementer))
+	;
+      else if (unformat (&input, "CPU part%_: 0x%x", &primary_part_number))
+	;
+      else if (unformat (&input, "CPU variant%_: 0x%x", &variant))
+	;
+      else if (unformat (&input, "CPU revision%_: %u", &revision))
+	;
+      else
+	unformat_skip_line (&input);
+    }
+  unformat_free (&input);
+  close (fd);
+
+#define _(i,p,a,c,_format) if ((implementer == i) && (primary_part_number == p)){ \
+	if (_format)\
+	 return format(s, "%s (%s PASS %c%u)", a, c, 'A'+variant, revision);\
+	 else {\
+  if (implementer == 0x43)\
+    variant++; \
+  return format (s, "%s (%s PASS %u.%u)", a, c, variant, revision);}}
+
+  foreach_aarch64_cpu_uarch
+#undef _
+    return format (s, "unknown (implementer 0x%02x part 0x%03x PASS %u.%u)",
+		   implementer, primary_part_number, variant, revision);
+
 #else /* ! __x86_64__ */
   return format (s, "unknown");
 #endif
@@ -128,12 +191,10 @@ format_cpu_model_name (u8 * s, va_list * args)
 
 
 static inline char const *
-flag_skip_prefix (char const *flag)
+flag_skip_prefix (char const *flag, const char *pfx, int len)
 {
-  if (memcmp (flag, "x86_", sizeof ("x86_") - 1) == 0)
-    return flag + sizeof ("x86_") - 1;
-  if (memcmp (flag, "aarch64_", sizeof ("aarch64_") - 1) == 0)
-    return flag + sizeof ("aarch64_") - 1;
+  if (0 == strncmp (flag, pfx, len - 1))
+    return flag + len - 1;
   return flag;
 }
 
@@ -143,13 +204,13 @@ 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, "%s ", flag_skip_prefix(#flag));
+    s = format (s, "%s ", flag_skip_prefix(#flag, "x86_", sizeof("x86_")));
   foreach_x86_64_flags return s;
 #undef _
 #elif defined(__aarch64__)
 #define _(flag, bit) \
   if (clib_cpu_supports_ ## flag()) \
-    s = format (s, "%s ", flag_skip_prefix(#flag));
+    s = format (s, "%s ", flag_skip_prefix(#flag, "aarch64_", sizeof("aarch64_")));
   foreach_aarch64_flags return s;
 #undef _
 #else /* ! ! __x86_64__ && ! __aarch64__ */