117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: ACPI, Hardware detection related //
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// //
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// //
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// Copyright © 2018-2020 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY//without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#ifndef _KERNEL_H
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#include <kernel.h>
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#endif
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#ifndef _IO_ACPI_H
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#define _IO_ACPI_H
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//----------------------------------------------------------------------------//
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//
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// ACPI 1.0 descriptor
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//
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struct RSDPLegacy {
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char signature[8];
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uchar checksum;
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char OEMID[6];
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uchar revision;
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uint rsdtAddress;
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} __attribute__ ((packed));
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//
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// ACPI 2.0 descriptor
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//
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struct RSDPDescriptor {
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// RSDT ACPI 1.0 and above
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struct RSDPLegacy legacy;
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// RSDT ACPI 2.0
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uint length;
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ulong xsdtAddress;
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uchar extendedChecksum;
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uchar reserved[3];
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} __attribute__ ((packed));
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//
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// ACPI System Description Table
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//
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struct SDTHeader {
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char signature[4];
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uint length;
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uchar revision;
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uchar checksum;
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char OEMID[6];
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char OEMTableID[8];
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uint OEMRevision;
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uint creatorID;
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uint creatorRevision;
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uint sdtTablePtr;
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};
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//
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// ACPI table types id
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//
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enum {
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SDT_MADT,
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SDT_BERT,
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SDT_CPEP,
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SDT_DSDT,
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SDT_ECDT,
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SDT_EINJ,
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SDT_ERST,
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SDT_FADT,
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SDT_FACS,
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SDT_HEST,
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SDT_MSCT,
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SDT_MPST,
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SDT_OEMx,
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SDT_PMTT,
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SDT_PSDT,
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SDT_RASF,
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SDT_RSDT,
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SDT_SBST,
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SDT_SLIT,
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SDT_SRAT,
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SDT_SSDT,
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SDT_XSDT,
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SDT_HEPT
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};
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#define N_SDT_TYPES 23
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//----------------------------------------------------------------------------//
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void IoInitAcpi(void);
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SDTHeader *IoGetAcpiTable(ulong id);
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//----------------------------------------------------------------------------//
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#endif
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