add bits/hwcap.h and include it in sys/auxv.h

aarch64, arm, mips, mips64, mipsn32, powerpc, powerpc64 and sh have
cpu feature bits defined in linux for AT_HWCAP auxv entry, so expose
those in sys/auxv.h

it seems the mips hwcaps were never exposed to userspace neither
by linux nor by glibc, but that's most likely an oversight.

diff --git a/arch/aarch64/bits/hwcap.h b/arch/aarch64/bits/hwcap.h
new file mode 100644 (file)
index 0000000..2b923f7
--- /dev/null
+++ b/arch/aarch64/bits/hwcap.h
@@ -0,0 +1,11 @@
+#define HWCAP_FP               (1 << 0)
+#define HWCAP_ASIMD            (1 << 1)
+#define HWCAP_EVTSTRM          (1 << 2)
+#define HWCAP_AES              (1 << 3)
+#define HWCAP_PMULL            (1 << 4)
+#define HWCAP_SHA1             (1 << 5)
+#define HWCAP_SHA2             (1 << 6)
+#define HWCAP_CRC32            (1 << 7)
+#define HWCAP_ATOMICS          (1 << 8)
+#define HWCAP_FPHP             (1 << 9)
+#define HWCAP_ASIMDHP          (1 << 10)

diff --git a/arch/arm/bits/hwcap.h b/arch/arm/bits/hwcap.h
new file mode 100644 (file)
index 0000000..ac4edea
--- /dev/null
+++ b/arch/arm/bits/hwcap.h
@@ -0,0 +1,29 @@
+#define HWCAP_SWP      (1 << 0)
+#define HWCAP_HALF     (1 << 1)
+#define HWCAP_THUMB    (1 << 2)
+#define HWCAP_26BIT    (1 << 3)
+#define HWCAP_FAST_MULT        (1 << 4)
+#define HWCAP_FPA      (1 << 5)
+#define HWCAP_VFP      (1 << 6)
+#define HWCAP_EDSP     (1 << 7)
+#define HWCAP_JAVA     (1 << 8)
+#define HWCAP_IWMMXT   (1 << 9)
+#define HWCAP_CRUNCH   (1 << 10)
+#define HWCAP_THUMBEE  (1 << 11)
+#define HWCAP_NEON     (1 << 12)
+#define HWCAP_VFPv3    (1 << 13)
+#define HWCAP_VFPv3D16 (1 << 14)
+#define HWCAP_TLS      (1 << 15)
+#define HWCAP_VFPv4    (1 << 16)
+#define HWCAP_IDIVA    (1 << 17)
+#define HWCAP_IDIVT    (1 << 18)
+#define HWCAP_VFPD32   (1 << 19)
+#define HWCAP_IDIV     (HWCAP_IDIVA | HWCAP_IDIVT)
+#define HWCAP_LPAE     (1 << 20)
+#define HWCAP_EVTSTRM  (1 << 21)
+
+#define HWCAP2_AES     (1 << 0)
+#define HWCAP2_PMULL   (1 << 1)
+#define HWCAP2_SHA1    (1 << 2)
+#define HWCAP2_SHA2    (1 << 3)
+#define HWCAP2_CRC32   (1 << 4)

diff --git a/arch/generic/bits/hwcap.h b/arch/generic/bits/hwcap.h
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/arch/mips/bits/hwcap.h b/arch/mips/bits/hwcap.h
new file mode 100644 (file)
index 0000000..05cffba
--- /dev/null
+++ b/arch/mips/bits/hwcap.h
@@ -0,0 +1,2 @@
+#define HWCAP_MIPS_R6          (1 << 0)
+#define HWCAP_MIPS_MSA         (1 << 1)

diff --git a/arch/mips64/bits/hwcap.h b/arch/mips64/bits/hwcap.h
new file mode 100644 (file)
index 0000000..05cffba
--- /dev/null
+++ b/arch/mips64/bits/hwcap.h
@@ -0,0 +1,2 @@
+#define HWCAP_MIPS_R6          (1 << 0)
+#define HWCAP_MIPS_MSA         (1 << 1)

diff --git a/arch/mipsn32/bits/hwcap.h b/arch/mipsn32/bits/hwcap.h
new file mode 100644 (file)
index 0000000..05cffba
--- /dev/null
+++ b/arch/mipsn32/bits/hwcap.h
@@ -0,0 +1,2 @@
+#define HWCAP_MIPS_R6          (1 << 0)
+#define HWCAP_MIPS_MSA         (1 << 1)

diff --git a/arch/powerpc/bits/hwcap.h b/arch/powerpc/bits/hwcap.h
new file mode 100644 (file)
index 0000000..82c92a9
--- /dev/null
+++ b/arch/powerpc/bits/hwcap.h
@@ -0,0 +1,40 @@
+#define PPC_FEATURE_32                 0x80000000
+#define PPC_FEATURE_64                 0x40000000
+#define PPC_FEATURE_601_INSTR          0x20000000
+#define PPC_FEATURE_HAS_ALTIVEC                0x10000000
+#define PPC_FEATURE_HAS_FPU            0x08000000
+#define PPC_FEATURE_HAS_MMU            0x04000000
+#define PPC_FEATURE_HAS_4xxMAC         0x02000000
+#define PPC_FEATURE_UNIFIED_CACHE      0x01000000
+#define PPC_FEATURE_HAS_SPE            0x00800000
+#define PPC_FEATURE_HAS_EFP_SINGLE     0x00400000
+#define PPC_FEATURE_HAS_EFP_DOUBLE     0x00200000
+#define PPC_FEATURE_NO_TB              0x00100000
+#define PPC_FEATURE_POWER4             0x00080000
+#define PPC_FEATURE_POWER5             0x00040000
+#define PPC_FEATURE_POWER5_PLUS                0x00020000
+#define PPC_FEATURE_CELL               0x00010000
+#define PPC_FEATURE_BOOKE              0x00008000
+#define PPC_FEATURE_SMT                        0x00004000
+#define PPC_FEATURE_ICACHE_SNOOP       0x00002000
+#define PPC_FEATURE_ARCH_2_05          0x00001000
+#define PPC_FEATURE_PA6T               0x00000800
+#define PPC_FEATURE_HAS_DFP            0x00000400
+#define PPC_FEATURE_POWER6_EXT         0x00000200
+#define PPC_FEATURE_ARCH_2_06          0x00000100
+#define PPC_FEATURE_HAS_VSX            0x00000080
+#define PPC_FEATURE_PSERIES_PERFMON_COMPAT 0x00000040
+
+#define PPC_FEATURE_TRUE_LE            0x00000002
+#define PPC_FEATURE_PPC_LE             0x00000001
+
+#define PPC_FEATURE2_ARCH_2_07         0x80000000
+#define PPC_FEATURE2_HTM               0x40000000
+#define PPC_FEATURE2_DSCR              0x20000000
+#define PPC_FEATURE2_EBB               0x10000000
+#define PPC_FEATURE2_ISEL              0x08000000
+#define PPC_FEATURE2_TAR               0x04000000
+#define PPC_FEATURE2_VEC_CRYPTO                0x02000000
+#define PPC_FEATURE2_HTM_NOSC          0x01000000
+#define PPC_FEATURE2_ARCH_3_00         0x00800000
+#define PPC_FEATURE2_HAS_IEEE128       0x00400000

diff --git a/arch/powerpc64/bits/hwcap.h b/arch/powerpc64/bits/hwcap.h
new file mode 100644 (file)
index 0000000..82c92a9
--- /dev/null
+++ b/arch/powerpc64/bits/hwcap.h
@@ -0,0 +1,40 @@
+#define PPC_FEATURE_32                 0x80000000
+#define PPC_FEATURE_64                 0x40000000
+#define PPC_FEATURE_601_INSTR          0x20000000
+#define PPC_FEATURE_HAS_ALTIVEC                0x10000000
+#define PPC_FEATURE_HAS_FPU            0x08000000
+#define PPC_FEATURE_HAS_MMU            0x04000000
+#define PPC_FEATURE_HAS_4xxMAC         0x02000000
+#define PPC_FEATURE_UNIFIED_CACHE      0x01000000
+#define PPC_FEATURE_HAS_SPE            0x00800000
+#define PPC_FEATURE_HAS_EFP_SINGLE     0x00400000
+#define PPC_FEATURE_HAS_EFP_DOUBLE     0x00200000
+#define PPC_FEATURE_NO_TB              0x00100000
+#define PPC_FEATURE_POWER4             0x00080000
+#define PPC_FEATURE_POWER5             0x00040000
+#define PPC_FEATURE_POWER5_PLUS                0x00020000
+#define PPC_FEATURE_CELL               0x00010000
+#define PPC_FEATURE_BOOKE              0x00008000
+#define PPC_FEATURE_SMT                        0x00004000
+#define PPC_FEATURE_ICACHE_SNOOP       0x00002000
+#define PPC_FEATURE_ARCH_2_05          0x00001000
+#define PPC_FEATURE_PA6T               0x00000800
+#define PPC_FEATURE_HAS_DFP            0x00000400
+#define PPC_FEATURE_POWER6_EXT         0x00000200
+#define PPC_FEATURE_ARCH_2_06          0x00000100
+#define PPC_FEATURE_HAS_VSX            0x00000080
+#define PPC_FEATURE_PSERIES_PERFMON_COMPAT 0x00000040
+
+#define PPC_FEATURE_TRUE_LE            0x00000002
+#define PPC_FEATURE_PPC_LE             0x00000001
+
+#define PPC_FEATURE2_ARCH_2_07         0x80000000
+#define PPC_FEATURE2_HTM               0x40000000
+#define PPC_FEATURE2_DSCR              0x20000000
+#define PPC_FEATURE2_EBB               0x10000000
+#define PPC_FEATURE2_ISEL              0x08000000
+#define PPC_FEATURE2_TAR               0x04000000
+#define PPC_FEATURE2_VEC_CRYPTO                0x02000000
+#define PPC_FEATURE2_HTM_NOSC          0x01000000
+#define PPC_FEATURE2_ARCH_3_00         0x00800000
+#define PPC_FEATURE2_HAS_IEEE128       0x00400000

diff --git a/arch/sh/bits/hwcap.h b/arch/sh/bits/hwcap.h
new file mode 100644 (file)
index 0000000..f85121d
--- /dev/null
+++ b/arch/sh/bits/hwcap.h
@@ -0,0 +1,11 @@
+#define CPU_HAS_FPU            0x0001
+#define CPU_HAS_P2_FLUSH_BUG   0x0002
+#define CPU_HAS_MMU_PAGE_ASSOC 0x0004
+#define CPU_HAS_DSP            0x0008
+#define CPU_HAS_PERF_COUNTER   0x0010
+#define CPU_HAS_PTEA           0x0020
+#define CPU_HAS_LLSC           0x0040
+#define CPU_HAS_L2_CACHE       0x0080
+#define CPU_HAS_OP32           0x0100
+#define CPU_HAS_PTEAEX         0x0200
+#define CPU_HAS_CAS_L          0x0400

diff --git a/include/sys/auxv.h b/include/sys/auxv.h
index 6dcf9adc2c4e842cf81278c943f1ad27f6da9adc..ddccf57ff6f3851c5bf59555ad81e8d540da5417 100644 (file)
--- a/include/sys/auxv.h
+++ b/include/sys/auxv.h
@@ -6,6 +6,7 @@ extern "C" {
 #endif
 
 #include <elf.h>
+#include <bits/hwcap.h>
 
 unsigned long getauxval(unsigned long);