18 lines
383 B
C
18 lines
383 B
C
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#ifndef __MM__MTRR_H__
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#define __MM__MTRR_H__
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#include <stdint.h>
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#include <stdbool.h>
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#define MTRR_MEMORY_TYPE_UC 0x00
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#define MTRR_MEMORY_TYPE_WC 0x01
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#define MTRR_MEMORY_TYPE_WT 0x04
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#define MTRR_MEMORY_TYPE_WP 0x05
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#define MTRR_MEMORY_TYPE_WB 0x06
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void mtrr_save(void);
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void mtrr_restore(void);
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bool mtrr_set_range(uint64_t base, uint64_t size, uint8_t caching_type);
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#endif
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