diff options
| author | Jeremie Courreges-Anglas <jca@cvs.openbsd.org> | 2024-07-21 16:46:58 +0000 |
|---|---|---|
| committer | Jeremie Courreges-Anglas <jca@cvs.openbsd.org> | 2024-07-21 16:46:58 +0000 |
| commit | 7a95bae0c24964c0f3a7ba5578ca59ad8f39b663 (patch) | |
| tree | fc0932299873b3aa1b2c3a4d8678d38ed19214c2 /sys/arch/powerpc | |
| parent | f697492addb370c42c5ef0c6427680e2381ec2ee (diff) | |
Export basic HWCAP bits to let applications detect Altivec on powerpc
Input from miod@ and gkoehler@, tests & ok gkoehler@
Diffstat (limited to 'sys/arch/powerpc')
| -rw-r--r-- | sys/arch/powerpc/include/elf.h | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/sys/arch/powerpc/include/elf.h b/sys/arch/powerpc/include/elf.h index 6624f42f237..73cda20ebe0 100644 --- a/sys/arch/powerpc/include/elf.h +++ b/sys/arch/powerpc/include/elf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: elf.h,v 1.1 2024/07/14 09:48:48 jca Exp $ */ +/* $OpenBSD: elf.h,v 1.2 2024/07/21 16:46:57 jca Exp $ */ /* * This file is in the public domain. @@ -8,7 +8,57 @@ #define _MACHINE_ELF_H_ /* - * TODO FreeBSD puts PPC_FEATURE* in cpu.h + * CPU Feature Attributes + * + * These are defined in the PowerPC ELF ABI for the AT_HWCAP vector, + * and are exported to userland via the elf_aux_info(3) function. */ +#ifdef _KERNEL +# define __HAVE_CPU_HWCAP +# define __HAVE_CPU_HWCAP2 +extern unsigned long hwcap; +extern unsigned long hwcap2; +#endif /* _KERNEL */ + +#define PPC_FEATURE_32 0x80000000 /* Always true */ +#define PPC_FEATURE_64 0x40000000 /* Defined on a 64-bit CPU */ +#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_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_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_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_HAS_VEC_CRYPTO 0x02000000 +#define PPC_FEATURE2_HTM_NOSC 0x01000000 +#define PPC_FEATURE2_ARCH_3_00 0x00800000 +#define PPC_FEATURE2_HAS_IEEE128 0x00400000 +#define PPC_FEATURE2_DARN 0x00200000 +#define PPC_FEATURE2_SCV 0x00100000 +#define PPC_FEATURE2_HTM_NOSUSPEND 0x00080000 + #endif /* !_MACHINE_ELF_H_ */ |