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diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -104,8 +104,8 @@
#if defined(__i386__) || defined(__amd64__)
#include <machine/cputypes.h>
-#include <machine/md_var.h>
#endif /* __i386__ || __amd64__ */
+#include <machine/md_var.h>
#include <compat/linux/linux.h>
#include <compat/linux/linux_common.h>
@@ -434,14 +434,79 @@
static int
linprocfs_docpuinfo(PFS_FILL_ARGS)
{
- int i;
+ int i, j;
+
+ static char *hwcap_features[] = {
+ "fp",
+ "asimd",
+ "evtstrm",
+ "aes",
+ "pmull",
+ "sha1",
+ "sha2",
+ "crc32",
+ "atomics",
+ "fphp",
+ "asimdhp",
+ "cpuid",
+ "asimdrdm",
+ "jscvt",
+ "fcma",
+ "lrcpc",
+ "dcpop",
+ "sha3",
+ "sm3",
+ "sm4",
+ "asimddp",
+ "sha512",
+ "sve",
+ "asimdfhm",
+ "dit",
+ "uscat",
+ "ilrcpc",
+ "flagm",
+ "ssbs",
+ "sb",
+ "paca",
+ "pacg",
+ };
+ static char *hwcap2_features[] = {
+ "dcpodp",
+ "sve2",
+ "sveaes",
+ "svepmull",
+ "svebitperm",
+ "svesha3",
+ "svesm4",
+ "flagm2",
+ "fpint",
+ "svei8mm",
+ "svef32mm",
+ "svef64mm",
+ "svebf16",
+ "i8mm",
+ "bf16",
+ "dgh",
+ "rng",
+ "bti",
+ };
for (i = 0; i < mp_ncpus; ++i) {
sbuf_printf(sb,
"processor\t: %d\n"
"BogoMIPS\t: %d.%02d\n",
i, 0, 0);
- sbuf_cat(sb, "Features\t: ");
+ sbuf_cat(sb, "Features\t:");
+ for (j = 0; j < nitems(hwcap_features); j++) {
+ if ((linux_elf_hwcap & (1ul << j)) != 0) {
+ sbuf_printf(sb, " %s", hwcap_features[j]);
+ }
+ }
+ for (j = 0; j < nitems(hwcap2_features); j++) {
+ if ((linux_elf_hwcap2 & (1ul << j)) != 0) {
+ sbuf_printf(sb, " %s", hwcap2_features[j]);
+ }
+ }
sbuf_cat(sb, "\n");
sbuf_printf(sb,
"CPU implementer\t: \n"

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