/*	$OpenBSD: elf.h,v 1.2 2024/07/21 16:46:57 jca Exp $	*/

/*
 * This file is in the public domain.
 */

#ifndef	_MACHINE_ELF_H_
#define	_MACHINE_ELF_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_ */