Chloe M.
30 lines
623 B
C
30 lines
623 B
C
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: HPET registers
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* Author: Chloe M.
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*/
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#ifndef _MACHINE_HPETREG_H_
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#define _MACHINE_HPETREG_H_ 1
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#include <stdef.h>
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/* Register offsets */
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#define HPET_GENERAL_CAP 0x00
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#define HPET_GENERAL_CONF 0x10
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#define HPET_MAIN_COUNTER 0xF0
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/* General capabilities */
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#define HPET_REV_ID_MASK 0xFF
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#define HPET_REV_ID_SHIFT 0
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#define HPET_PERIOD_MASK 0xFFFFFFFF
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#define HPET_PERIOD_SHIFT 32
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/* General conf fields */
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#define HPET_GCONF_EN BIT(0)
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#define HPET_LEG_RT BIT(1)
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#endif /* !_MACHINE_HPETREG_H_ */
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