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-rw-r--r--src/vppinfra/cpu.c74
1 files changed, 52 insertions, 22 deletions
diff --git a/src/vppinfra/cpu.c b/src/vppinfra/cpu.c
index b66dd4968ad..79e7dc0955e 100644
--- a/src/vppinfra/cpu.c
+++ b/src/vppinfra/cpu.c
@@ -71,21 +71,22 @@
_ (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) \
- _(0x41, 0xd0a, "ARM", "Cortex-A75", 0) \
- _(0x41, 0xd0b, "ARM", "Cortex-A76", 0) \
- _(0x41, 0xd0c, "ARM", "Neoverse-N1", 0) \
- _(0x41, 0xd4a, "ARM", "Neoverse-E1", 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)
+#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) \
+ _ (0x41, 0xd0a, "ARM", "Cortex-A75", 0) \
+ _ (0x41, 0xd0b, "ARM", "Cortex-A76", 0) \
+ _ (0x41, 0xd0c, "ARM", "Neoverse-N1", 0) \
+ _ (0x41, 0xd49, "ARM", "Neoverse-N2", 0) \
+ _ (0x41, 0xd4a, "ARM", "Neoverse-E1", 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)
__clib_export u8 *
format_cpu_uarch (u8 * s, va_list * args)
@@ -276,10 +277,39 @@ format_march_variant (u8 *s, va_list *args)
return format (s, "%s", variants[t]);
}
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+#ifdef __aarch64__
+
+__clib_export const clib_cpu_info_t *
+clib_get_cpu_info ()
+{
+ static int first_run = 1;
+ static clib_cpu_info_t info = {};
+ if (first_run)
+ {
+ FILE *fp = fopen ("/proc/cpuinfo", "r");
+ char buf[128];
+
+ if (!fp)
+ return 0;
+
+ while (!feof (fp))
+ {
+ if (!fgets (buf, sizeof (buf), fp))
+ break;
+ buf[127] = '\0';
+ if (strstr (buf, "CPU part"))
+ info.aarch64.part_num =
+ strtol (memchr (buf, ':', 128) + 2, NULL, 0);
+
+ if (strstr (buf, "CPU implementer"))
+ info.aarch64.implementer =
+ strtol (memchr (buf, ':', 128) + 2, NULL, 0);
+ }
+ fclose (fp);
+
+ first_run = 0;
+ }
+ return &info;
+}
+
+#endif