tcg-s390: Use qemu_getauxval in query_facilities

No need to set up a SIGILL signal handler for detection anymore.

Remove a ton of sanity checks that must be true, given that we're
requiring a 64-bit build (the note about 31-bit KVM is satisfied
by configuring with TCI).

Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/elf.h b/include/elf.h
index 6610ca29d1..667af6fc63 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -479,6 +479,20 @@ typedef struct {
 #define HWCAP_SPARC_V9		16
 #define HWCAP_SPARC_ULTRA3	32
 
+/* Bits present in AT_HWCAP for s390.  */
+
+#define HWCAP_S390_ESAN3        1
+#define HWCAP_S390_ZARCH        2
+#define HWCAP_S390_STFLE        4
+#define HWCAP_S390_MSA          8
+#define HWCAP_S390_LDISP        16
+#define HWCAP_S390_EIMM         32
+#define HWCAP_S390_DFP          64
+#define HWCAP_S390_HPAGE        128
+#define HWCAP_S390_ETF3EH       256
+#define HWCAP_S390_HIGH_GPRS    512
+#define HWCAP_S390_TE           1024
+
 /*
  * 68k ELF relocation types
  */