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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) #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_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_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) #endif /* __ASM_CPU_FEATURES_H */