aarch64: add HWCAP2 flags from linux v5.2

AT_HWCAP2 flags, see

  linux commit 671db581815faf17cbedd7fcbc48823a247d90b1
  arm64: Expose DC CVADP to userspace

  linux commit 06a916feca2b262ab0c1a2aeb68882f4b1108a07
  arm64: Expose SVE2 features for userspace

diff --git a/arch/aarch64/bits/hwcap.h b/arch/aarch64/bits/hwcap.h
index ad670914c82b329804b5a0b09fe408a2bad73005..a7484028e0a33f73d0538f93af205ffc591d9bd4 100644 (file)
--- a/arch/aarch64/bits/hwcap.h
+++ b/arch/aarch64/bits/hwcap.h
@@ -30,3 +30,11 @@
 #define HWCAP_SB               (1 << 29)
 #define HWCAP_PACA             (1 << 30)
 #define HWCAP_PACG             (1UL << 31)
+
+#define HWCAP2_DCPODP          (1 << 0)
+#define HWCAP2_SVE2            (1 << 1)
+#define HWCAP2_SVEAES          (1 << 2)
+#define HWCAP2_SVEPMULL                (1 << 3)
+#define HWCAP2_SVEBITPERM      (1 << 4)
+#define HWCAP2_SVESHA3         (1 << 5)
+#define HWCAP2_SVESM4          (1 << 6)