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These functions save/restore the state of the PLIC associated with the current hart. The context save/restore functions only manipulate a single context, since most likely the M-mode context is unused and does not need to be saved. Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Anup Patel <anup@brainfault.org>
21 lines
470 B
C
21 lines
470 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2022 Samuel Holland <samuel@sholland.org>
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*/
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#ifndef __IRQCHIP_FDT_IRQCHIP_PLIC_H__
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#define __IRQCHIP_FDT_IRQCHIP_PLIC_H__
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#include <sbi/sbi_types.h>
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void fdt_plic_priority_save(u8 *priority);
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void fdt_plic_priority_restore(const u8 *priority);
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void fdt_plic_context_save(bool smode, u32 *enable, u32 *threshold);
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void fdt_plic_context_restore(bool smode, const u32 *enable, u32 threshold);
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#endif
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