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37 lines
784 B
C
37 lines
784 B
C
/**
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* 解析acpi信息的模块
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**/
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#pragma once
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#include <common/glib.h>
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#include <mm/mm.h>
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struct acpi_RSDP_t
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{
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unsigned char Signature[8];
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unsigned char Checksum;
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unsigned char OEMID[6];
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unsigned char Revision;
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// 32bit physical address of the RSDT
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uint RsdtAddress;
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} __attribute__((packed));
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struct acpi_RSDP_2_t
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{
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struct acpi_RSDP_t rsdp1;
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// fields below are only valid when the revision value is 2 or above
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// 表的长度（单位：字节）从offset=0开始算
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uint Length;
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// 64bit的XSDT的物理地址
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ul XsdtAddress;
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unsigned char ExtendedChecksum; // 整个表的checksum，包括了之前的checksum区域
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unsigned char Reserved[3];
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} __attribute__((packed));
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// 初始化acpi模块
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void acpi_init(); |