31 lines
764 B
C
31 lines
764 B
C
#ifndef SYS__APIC_H__
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#define SYS__APIC_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#define LAPIC_REG_ICR0 0x300
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#define LAPIC_REG_ICR1 0x310
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#define LAPIC_REG_SPURIOUS 0x0f0
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#define LAPIC_REG_EOI 0x0b0
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#define LAPIC_REG_ID 0x020
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bool lapic_check(void);
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void lapic_eoi(void);
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uint32_t lapic_read(uint32_t reg);
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void lapic_write(uint32_t reg, uint32_t data);
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bool x2apic_check(void);
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bool x2apic_enable(void);
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uint64_t x2apic_read(uint32_t reg);
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void x2apic_write(uint32_t reg, uint64_t data);
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void init_io_apics(void);
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uint32_t io_apic_read(size_t io_apic, uint32_t reg);
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void io_apic_write(size_t io_apic, uint32_t reg, uint32_t value);
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uint32_t io_apic_gsi_count(size_t io_apic);
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void io_apic_mask_all(void);
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#endif
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