s390/hwcaps: introduce HWCAP bit numbers

Introduce HWCAP bit numbers, making it easier to tell at which bit
number we currently are. Also use these bits with the BIT macro to
define the real HWCAP masks.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

arch/s390/include/asm/elf.h

@@ -91,32 +91,61 @@
 /* Keep this the last entry.  */
 #define R_390_NUM	61
 
+enum {
+	HWCAP_NR_ESAN3		= 0,
+	HWCAP_NR_ZARCH		= 1,
+	HWCAP_NR_STFLE		= 2,
+	HWCAP_NR_MSA		= 3,
+	HWCAP_NR_LDISP		= 4,
+	HWCAP_NR_EIMM		= 5,
+	HWCAP_NR_DFP		= 6,
+	HWCAP_NR_HPAGE		= 7,
+	HWCAP_NR_ETF3EH		= 8,
+	HWCAP_NR_HIGH_GPRS	= 9,
+	HWCAP_NR_TE		= 10,
+	HWCAP_NR_VXRS		= 11,
+	HWCAP_NR_VXRS_BCD	= 12,
+	HWCAP_NR_VXRS_EXT	= 13,
+	HWCAP_NR_GS		= 14,
+	HWCAP_NR_VXRS_EXT2	= 15,
+	HWCAP_NR_VXRS_PDE	= 16,
+	HWCAP_NR_SORT		= 17,
+	HWCAP_NR_DFLT		= 18,
+	HWCAP_NR_VXRS_PDE2	= 19,
+	HWCAP_NR_NNPA		= 20,
+	HWCAP_NR_PCI_MIO	= 21,
+};
+
 /* Bits present in AT_HWCAP. */
-#define HWCAP_ESAN3	1
-#define HWCAP_ZARCH	2
-#define HWCAP_STFLE	4
-#define HWCAP_MSA	8
-#define HWCAP_LDISP	16
-#define HWCAP_EIMM	32
-#define HWCAP_DFP	64
-#define HWCAP_HPAGE	128
-#define HWCAP_ETF3EH	256
-#define HWCAP_HIGH_GPRS	512
-#define HWCAP_TE	1024
-#define HWCAP_VXRS	2048
-#define HWCAP_VXRS_BCD	4096
-#define HWCAP_VXRS_EXT	8192
-#define HWCAP_GS	16384
-#define HWCAP_VXRS_EXT2	32768
-#define HWCAP_VXRS_PDE	65536
-#define HWCAP_SORT	131072
-#define HWCAP_DFLT	262144
-#define HWCAP_VXRS_PDE2	524288
-#define HWCAP_NNPA	1048576
-#define HWCAP_PCI_MIO	2097152
+#define HWCAP_ESAN3		BIT(HWCAP_NR_ESAN3)
+#define HWCAP_ZARCH		BIT(HWCAP_NR_ZARCH)
+#define HWCAP_STFLE		BIT(HWCAP_NR_STFLE)
+#define HWCAP_MSA		BIT(HWCAP_NR_MSA)
+#define HWCAP_LDISP		BIT(HWCAP_NR_LDISP)
+#define HWCAP_EIMM		BIT(HWCAP_NR_EIMM)
+#define HWCAP_DFP		BIT(HWCAP_NR_DFP)
+#define HWCAP_HPAGE		BIT(HWCAP_NR_HPAGE)
+#define HWCAP_ETF3EH		BIT(HWCAP_NR_ETF3EH)
+#define HWCAP_HIGH_GPRS		BIT(HWCAP_NR_HIGH_GPRS)
+#define HWCAP_TE		BIT(HWCAP_NR_TE)
+#define HWCAP_VXRS		BIT(HWCAP_NR_VXRS)
+#define HWCAP_VXRS_BCD		BIT(HWCAP_NR_VXRS_BCD)
+#define HWCAP_VXRS_EXT		BIT(HWCAP_NR_VXRS_EXT)
+#define HWCAP_GS		BIT(HWCAP_NR_GS)
+#define HWCAP_VXRS_EXT2		BIT(HWCAP_NR_VXRS_EXT2)
+#define HWCAP_VXRS_PDE		BIT(HWCAP_NR_VXRS_PDE)
+#define HWCAP_SORT		BIT(HWCAP_NR_SORT)
+#define HWCAP_DFLT		BIT(HWCAP_NR_DFLT)
+#define HWCAP_VXRS_PDE2		BIT(HWCAP_NR_VXRS_PDE2)
+#define HWCAP_NNPA		BIT(HWCAP_NR_NNPA)
+#define HWCAP_PCI_MIO		BIT(HWCAP_NR_PCI_MIO)
+
+enum {
+	HWCAP_INT_NR_SIE	= 0,
+};
 
 /* Internal bits, not exposed via elf */
-#define HWCAP_INT_SIE		1UL
+#define HWCAP_INT_SIE		BIT(HWCAP_INT_NR_SIE)
 
 /*
  * These are used to set parameters in the core dumps.