diff options
Diffstat (limited to 'arch/riscv/include/asm/cpufeature.h')
-rw-r--r-- | arch/riscv/include/asm/cpufeature.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h new file mode 100644 index 000000000000..808d5403f2ac --- /dev/null +++ b/arch/riscv/include/asm/cpufeature.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2022-2023 Rivos, Inc + */ + +#ifndef _ASM_CPUFEATURE_H +#define _ASM_CPUFEATURE_H + +/* + * These are probed via a device_initcall(), via either the SBI or directly + * from the corresponding CSRs. + */ +struct riscv_cpuinfo { + unsigned long mvendorid; + unsigned long marchid; + unsigned long mimpid; +}; + +DECLARE_PER_CPU(struct riscv_cpuinfo, riscv_cpuinfo); + +DECLARE_PER_CPU(long, misaligned_access_speed); + +#endif |