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/* 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)
#define cpu_icache_line_size() cpu_data[0].icache.linesz
#define cpu_dcache_line_size() cpu_data[0].dcache.linesz
#define cpu_vcache_line_size() cpu_data[0].vcache.linesz
#define cpu_scache_line_size() cpu_data[0].scache.linesz
#ifdef CONFIG_32BIT
# define cpu_has_64bits (cpu_data[0].isa_level & LOONGARCH_CPU_ISA_64BIT)
# define cpu_vabits 31
# define cpu_pabits 31
#endif
#ifdef CONFIG_64BIT
# define cpu_has_64bits 1
# define cpu_vabits cpu_data[0].vabits
# define cpu_pabits cpu_data[0].pabits
# define __NEED_ADDRBITS_PROBE
#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_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_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)
#endif /* __ASM_CPU_FEATURES_H */
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