Files
cubelinux-kernel/arch/loongarch/include/asm/cpu-features.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

72 lines
2.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 2003, 2004 Ralf Baechle
* Copyright (C) 2004 Maciej W. Rozycki
*/
#ifndef __ASM_CPU_FEATURES_H
#define __ASM_CPU_FEATURES_H
#include <asm/cpu.h>
#include <asm/cpu-info.h>
#define cpu_opt(opt) (cpu_data[0].options & (opt))
#define cpu_has(feat) (cpu_data[0].options & BIT_ULL(feat))
#define cpu_has_loongarch (cpu_has_loongarch32 | cpu_has_loongarch64)
#define cpu_has_loongarch32 (cpu_data[0].isa_level & LOONGARCH_CPU_ISA_32BIT)
#define cpu_has_loongarch64 (cpu_data[0].isa_level & LOONGARCH_CPU_ISA_64BIT)
#ifdef CONFIG_32BIT
# define cpu_vabits 31
# define cpu_pabits 31
#endif
#ifdef CONFIG_64BIT
# define cpu_vabits cpu_data[0].vabits
# define cpu_pabits cpu_data[0].pabits
#endif
/*
* SMP assumption: Options of CPU 0 are a superset of all processors.
* This is true for all known LoongArch systems.
*/
#define cpu_has_cpucfg cpu_opt(LOONGARCH_CPU_CPUCFG)
#define cpu_has_lam cpu_opt(LOONGARCH_CPU_LAM)
#define cpu_has_ual cpu_opt(LOONGARCH_CPU_UAL)
#define cpu_has_fpu cpu_opt(LOONGARCH_CPU_FPU)
#define cpu_has_lsx cpu_opt(LOONGARCH_CPU_LSX)
#define cpu_has_lasx cpu_opt(LOONGARCH_CPU_LASX)
#define cpu_has_crc32 cpu_opt(LOONGARCH_CPU_CRC32)
#define cpu_has_complex cpu_opt(LOONGARCH_CPU_COMPLEX)
#define cpu_has_crypto cpu_opt(LOONGARCH_CPU_CRYPTO)
#define cpu_has_lvz cpu_opt(LOONGARCH_CPU_LVZ)
#define cpu_has_lbt_x86 cpu_opt(LOONGARCH_CPU_LBT_X86)
#define cpu_has_lbt_arm cpu_opt(LOONGARCH_CPU_LBT_ARM)
#define cpu_has_lbt_mips cpu_opt(LOONGARCH_CPU_LBT_MIPS)
#define cpu_has_lbt (cpu_has_lbt_x86|cpu_has_lbt_arm|cpu_has_lbt_mips)
#define cpu_has_csr cpu_opt(LOONGARCH_CPU_CSR)
#define cpu_has_iocsr cpu_opt(LOONGARCH_CPU_IOCSR)
#define cpu_has_tlb cpu_opt(LOONGARCH_CPU_TLB)
#define cpu_has_watch cpu_opt(LOONGARCH_CPU_WATCH)
#define cpu_has_vint cpu_opt(LOONGARCH_CPU_VINT)
#define cpu_has_csripi cpu_opt(LOONGARCH_CPU_CSRIPI)
#define cpu_has_extioi cpu_opt(LOONGARCH_CPU_EXTIOI)
#define cpu_has_prefetch cpu_opt(LOONGARCH_CPU_PREFETCH)
#define cpu_has_pmp cpu_opt(LOONGARCH_CPU_PMP)
#define cpu_has_perf cpu_opt(LOONGARCH_CPU_PMP)
#define cpu_has_scalefreq cpu_opt(LOONGARCH_CPU_SCALEFREQ)
#define cpu_has_flatmode cpu_opt(LOONGARCH_CPU_FLATMODE)
#define cpu_has_eiodecode cpu_opt(LOONGARCH_CPU_EIODECODE)
#define cpu_has_guestid cpu_opt(LOONGARCH_CPU_GUESTID)
#define cpu_has_hypervisor cpu_opt(LOONGARCH_CPU_HYPERVISOR)
#define cpu_has_ptw cpu_opt(LOONGARCH_CPU_PTW)
#define cpu_has_lspw cpu_opt(LOONGARCH_CPU_LSPW)
#define cpu_has_msgint cpu_opt(LOONGARCH_CPU_MSGINT)
#define cpu_has_avecint cpu_opt(LOONGARCH_CPU_AVECINT)
#define cpu_has_redirectint cpu_opt(LOONGARCH_CPU_REDIRECTINT)
#endif /* __ASM_CPU_FEATURES_H */