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https://github.com/riscv-software-src/opensbi.git
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1e9f88889f
For platforms not having TIME CSR, we trap-n-emulate TIME CSR read/write in OpenSBI. Same rationale applies to HTIMEDELTA CSR as well so we trap-n-emulate HTIMEDELTA CSR for platforms not having TIME CSR. Signed-off-by: Anup Patel <anup.patel@wdc.com>
36 lines
841 B
C
36 lines
841 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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*/
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#ifndef __SBI_TIMER_H__
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#define __SBI_TIMER_H__
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#include <sbi/sbi_types.h>
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struct sbi_scratch;
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u64 sbi_timer_value(struct sbi_scratch *scratch);
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u64 sbi_timer_virt_value(struct sbi_scratch *scratch);
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u64 sbi_timer_get_delta(struct sbi_scratch *scratch);
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void sbi_timer_set_delta(struct sbi_scratch *scratch, ulong delta);
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void sbi_timer_set_delta_upper(struct sbi_scratch *scratch, ulong delta_upper);
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void sbi_timer_event_stop(struct sbi_scratch *scratch);
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void sbi_timer_event_start(struct sbi_scratch *scratch, u64 next_event);
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void sbi_timer_process(struct sbi_scratch *scratch);
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int sbi_timer_init(struct sbi_scratch *scratch, bool cold_boot);
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#endif
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