/* $OpenBSD: elf.h,v 1.4 2026/05/02 14:09:17 jsing Exp $ */ /*- * Copyright (c) 1996-1997 John D. Polstra. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _MACHINE_ELF_H_ #define _MACHINE_ELF_H_ /* * ELF definitions for the RISC-V architecture. */ #ifdef _KERNEL # define __HAVE_CPU_HWCAP # define __HAVE_CPU_HWCAP2 extern unsigned long hwcap; extern unsigned long hwcap2; #endif /* _KERNEL */ /* Flags passed in AT_HWCAP */ #define HWCAP_ISA_BIT(c) (1 << ((c) - 'a')) #define HWCAP_ISA_I HWCAP_ISA_BIT('i') #define HWCAP_ISA_M HWCAP_ISA_BIT('m') #define HWCAP_ISA_A HWCAP_ISA_BIT('a') #define HWCAP_ISA_F HWCAP_ISA_BIT('f') #define HWCAP_ISA_D HWCAP_ISA_BIT('d') #define HWCAP_ISA_G \ (HWCAP_ISA_I | HWCAP_ISA_M | HWCAP_ISA_A | HWCAP_ISA_F | HWCAP_ISA_D) #define HWCAP_ISA_B HWCAP_ISA_BIT('b') #define HWCAP_ISA_C HWCAP_ISA_BIT('c') #define HWCAP_ISA_H HWCAP_ISA_BIT('h') #define HWCAP_ISA_V HWCAP_ISA_BIT('v') #ifdef _KERNEL /* Kernel Used Extensions */ #define HWCAP_ISA_K_OFFSET 32 #define HWCAP_ISA_K_BIT(n) (1UL << (HWCAP_ISA_K_OFFSET + (n))) #define HWCAP_ISA_K_MASK (0xffffUL << HWCAP_ISA_K_OFFSET) #define HWCAP_ISA_ZICBOM HWCAP_ISA_K_BIT(0) /* Cache Block Management */ #define HWCAP_ISA_ZICBOP HWCAP_ISA_K_BIT(1) /* Cache Block Prefetch */ #define HWCAP_ISA_ZICBOZ HWCAP_ISA_K_BIT(2) /* Cache Block Zero */ /* Supervisor Extensions */ #define HWCAP_ISA_S_OFFSET 48 #define HWCAP_ISA_S_BIT(n) (1UL << (HWCAP_ISA_S_OFFSET + (n))) #define HWCAP_ISA_S_MASK (0xffffUL << HWCAP_ISA_S_OFFSET) #define HWCAP_ISA_SVNAPOT HWCAP_ISA_S_BIT(0) /* NAPOT Translation */ #define HWCAP_ISA_SVPBMT HWCAP_ISA_S_BIT(1) /* Page-Based Memory Types */ #define HWCAP_ISA_SVINVAL HWCAP_ISA_S_BIT(2) /* Cache Invalidation */ #define HWCAP_ISA_SSTC HWCAP_ISA_S_BIT(3) /* Timer Interrupts */ #define HWCAP_ISA_SCOFPMF HWCAP_ISA_S_BIT(4) /* Count Overflow */ #define HWCAP_ISA_SSNPM HWCAP_ISA_S_BIT(5) /* Pointer Masking */ #endif /* _KERNEL */ /* Flags passed in AT_HWCAP2 */ #define HWCAP2_ISA_ZBA (1UL << 0) /* Address Generation */ #define HWCAP2_ISA_ZBB (1UL << 1) /* Basic Bit Manipulation */ #define HWCAP2_ISA_ZBC (1UL << 2) /* Carry-Less Multiplication */ #define HWCAP2_ISA_ZBS (1UL << 3) /* Single-Bit */ #define HWCAP2_ISA_ZFH (1UL << 4) /* Scalar Half Precision FP */ #define HWCAP2_ISA_ZKT (1UL << 5) /* Data-Independent Execution */ #define HWCAP2_ISA_ZVBB (1UL << 6) /* Vector Basic Bit Manipulation */ #define HWCAP2_ISA_ZVBC (1UL << 7) /* Vector Carry-less Multiplication */ #define HWCAP2_ISA_ZVFH (1UL << 8) /* Vector Half Precision FP */ #define HWCAP2_ISA_ZVKG (1UL << 9) /* Vector GCM/GMAC */ #define HWCAP2_ISA_ZVKNED (1UL << 10) /* Vector AES Block Cipher */ #define HWCAP2_ISA_ZVKNHA (1UL << 11) /* Vector SHA-256 */ #define HWCAP2_ISA_ZVKNHB (1UL << 12) /* Vector SHA-512 */ #define HWCAP2_ISA_ZVKSED (1UL << 13) /* Vector ShangMi SM4 */ #define HWCAP2_ISA_ZVKSH (1UL << 14) /* Vector ShangMi SM3 */ #define HWCAP2_ISA_ZVKT (1UL << 15) /* Vector Data-Independent Execution */ #endif /* !_MACHINE_ELF_H_ */
