_ (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)
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_init_file (&input, "/proc/cpuinfo"))
{
- 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);
+ 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);
}
- unformat_free (&input);
- close (fd);
+ else
+ return format (s, "unknown");
#define _(i,p,a,c,_format) if ((implementer == i) && (primary_part_number == p)){ \
if (_format)\
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