/*      $OpenBSD: elf.h,v 1.3 2025/02/19 18:25:03 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
#define PPC_FEATURE2_ARCH_3_1   0x00040000
#define PPC_FEATURE2_MMA        0x00020000

#endif /* !_MACHINE_ELF_H_ */