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Add support for fancy AArch64 assembler code.
[catacomb]
/
base
/
dispatch.c
diff --git
a/base/dispatch.c
b/base/dispatch.c
index
50c9438
..
908a4e3
100644
(file)
--- a/
base/dispatch.c
+++ b/
base/dispatch.c
@@
-229,6
+229,11
@@
struct auxentry { unsigned long type; union auxval value; };
# define WANT_AT_HWCAP(_) _(AT_HWCAP, u, hwcap)
#endif
# define WANT_AT_HWCAP(_) _(AT_HWCAP, u, hwcap)
#endif
+#if defined(AT_HWCAP) && CPUFAM_ARM64
+# define WANT_ANY 1
+# define WANT_AT_HWCAP(_) _(AT_HWCAP, u, hwcap)
+#endif
+
#if defined(AT_HWCAP2) && CPUFAM_ARMEL
# define WANT_ANY 1
# define WANT_AT_HWCAP2(_) _(AT_HWCAP2, u, hwcap2)
#if defined(AT_HWCAP2) && CPUFAM_ARMEL
# define WANT_ANY 1
# define WANT_AT_HWCAP2(_) _(AT_HWCAP2, u, hwcap2)
@@
-278,6
+283,12
@@
static unsigned hwcaps = 0;
_(ARM_D32, "arm:d32") \
_(ARM_AES, "arm:aes")
#endif
_(ARM_D32, "arm:d32") \
_(ARM_AES, "arm:aes")
#endif
+#if CPUFAM_ARM64
+# define WANTAUX(_) \
+ WANT_AT_HWCAP(_)
+# define CAPMAP(_) \
+ _(ARM_AES, "arm:aes")
+#endif
/* Build the bitmask for `hwcaps' from the `CAPMAP' list. */
enum {
/* Build the bitmask for `hwcaps' from the `CAPMAP' list. */
enum {
@@
-391,6
+402,9
@@
static void probe_hwcaps(void)
if (probed.hwcap2 & HWCAP2_AES) hw |= HF_ARM_AES;
# endif
#endif
if (probed.hwcap2 & HWCAP2_AES) hw |= HF_ARM_AES;
# endif
#endif
+#if CPUFAM_ARM64
+ if (probed.hwcap & HWCAP_AES) hw |= HF_ARM_AES;
+#endif
/* Store the bitmask of features we probed for everyone to see. */
DISPATCH_STORE(hwcaps, hw);
/* Store the bitmask of features we probed for everyone to see. */
DISPATCH_STORE(hwcaps, hw);