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/*
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* ACPI definitions
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*
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* A System Descriptor Table starts with a header of 4 bytes of signature
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* followed by 4 bytes of total table length then 28 bytes of ID information
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* (including the table checksum).
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*/
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typedef struct Dsdt Dsdt;
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typedef struct Facp Facp;
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typedef struct Hpet Hpet;
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typedef struct Madt Madt;
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typedef struct Mcfg Mcfg;
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typedef struct Mcfgd Mcfgd;
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typedef struct Rsd Rsd;
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struct Dsdt { /* Differentiated System DT */
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uchar sdthdr[36]; /* "DSDT" + length[4] + [28] */
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uchar db[]; /* Definition Block */
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};
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struct Facp { /* Fixed ACPI DT */
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uchar sdthdr[36]; /* "FACP" + length[4] + [28] */
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uchar faddr[4]; /* Firmware Control Address */
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uchar dsdt[4]; /* DSDT Address */
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uchar pad[200]; /* total table is 244 */
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};
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struct Hpet { /* High-Precision Event Timer DT */
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uchar sdthdr[36]; /* "HPET" + length[4] + [28] */
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uchar id[4]; /* Event Timer Block ID */
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uchar addr[12]; /* ACPI Format Address */
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uchar seqno; /* Sequence Number */
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uchar minticks[2]; /* Minimum Clock Tick */
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uchar attr; /* Page Protection */
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};
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struct Madt { /* Multiple APIC DT */
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uchar sdthdr[36]; /* "MADT" + length[4] + [28] */
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uchar addr[4]; /* Local APIC Address */
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uchar flags[4];
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uchar structures[];
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};
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typedef struct Mcfg { /* PCI Memory Mapped Config */
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uchar sdthdr[36]; /* "MCFG" + length[4] + [28] */
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uchar pad[8]; /* reserved */
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Mcfgd mcfgd[]; /* descriptors */
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} Mcfg;
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struct Mcfgd { /* MCFG Descriptor */
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uchar addr[8]; /* base address */
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uchar segno[2]; /* segment group number */
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uchar sbno; /* start bus number */
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uchar ebno; /* end bus number */
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uchar pad[4]; /* reserved */
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};
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struct Rsd { /* Root System Description * */
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uchar signature[8]; /* "RSD PTR " */
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uchar rchecksum;
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uchar oemid[6];
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uchar revision;
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uchar raddr[4]; /* RSDT */
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uchar length[4];
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uchar xaddr[8]; /* XSDT */
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uchar xchecksum; /* XSDT */
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uchar pad[3]; /* reserved */
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};
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