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ff77cf5b2e
In preparation for tracking and exposing microarchitectural details to userspace (like whether or not unaligned accesses are fast), move the riscv_cpuinfo struct out to its own new cpufeatures.h header. It will need to be used by more than just cpu.c. Signed-off-by: Evan Green <evan@rivosinc.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Tested-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Reviewed-by: Paul Walmsley <paul.walmsley@sifive.com> Link: https://lore.kernel.org/r/20230407231103.2622178-2-evan@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
22 lines
416 B
C
22 lines
416 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2022-2023 Rivos, Inc
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*/
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#ifndef _ASM_CPUFEATURE_H
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#define _ASM_CPUFEATURE_H
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/*
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* These are probed via a device_initcall(), via either the SBI or directly
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* from the corresponding CSRs.
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*/
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struct riscv_cpuinfo {
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unsigned long mvendorid;
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unsigned long marchid;
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unsigned long mimpid;
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};
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DECLARE_PER_CPU(struct riscv_cpuinfo, riscv_cpuinfo);
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#endif
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