mirror of
https://github.com/BoredDevNL/BoredOS.git
synced 2026-05-15 18:58:40 +00:00
637670f8b0
* ACPI I2C Device Enumeration and Updated docs with better access to logging techniques * updated copyright notices bit of a hastle on my end, still getting used to being this cool
133 lines
No EOL
3.1 KiB
C
133 lines
No EOL
3.1 KiB
C
// Copyright (c) 2026 Myles Wilson (myles@bleedkernel.com)
|
|
// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
|
|
// This header needs to maintain in any file it is present in, as per the GPL license terms.
|
|
|
|
#ifndef ACPI_STRUCTURES_H
|
|
#define ACPI_STRUCTURES_H
|
|
|
|
#include <stdint.h>
|
|
|
|
struct acpi_sdt {
|
|
char signature[4];
|
|
uint32_t length;
|
|
uint8_t revision;
|
|
uint8_t checksum;
|
|
char oem_id[6];
|
|
char oem_table_id[8];
|
|
uint32_t oem_revision;
|
|
uint32_t creator_id;
|
|
uint32_t creator_revision;
|
|
} __attribute__((packed));
|
|
|
|
struct acpi_rsdp {
|
|
char signature[8];
|
|
uint8_t checksum;
|
|
char oem_id[6];
|
|
uint8_t revision;
|
|
uint32_t rsdt_address;
|
|
|
|
// acpi2
|
|
uint32_t length;
|
|
uint64_t xsdt_address;
|
|
uint8_t extended_checksum;
|
|
uint8_t reserved[3];
|
|
} __attribute__((packed));
|
|
|
|
struct acpi_xsdt {
|
|
struct acpi_sdt header;
|
|
uint64_t tables[];
|
|
} __attribute__((packed));
|
|
|
|
typedef struct
|
|
{
|
|
uint8_t address_space_id;
|
|
uint8_t register_bit_width;
|
|
uint8_t register_bit_offset;
|
|
uint8_t access_size;
|
|
uint64_t address;
|
|
} __attribute__((packed)) GenericAddressStructure;
|
|
|
|
typedef struct acpi_fadt
|
|
{
|
|
struct acpi_sdt header;
|
|
uint32_t firmware_ctrl;
|
|
uint32_t dsdt;
|
|
uint8_t __reserved;
|
|
uint8_t preferred_pm_profile;
|
|
uint16_t sci_int;
|
|
uint32_t smi_cmd;
|
|
uint8_t acpi_enable;
|
|
uint8_t acpi_disable;
|
|
uint8_t s4bios_req;
|
|
uint8_t pstate_cnt;
|
|
uint32_t pm1a_evt_blk;
|
|
uint32_t pm1b_evt_blk;
|
|
uint32_t pm1a_cnt_blk;
|
|
uint32_t pm1b_cnt_blk;
|
|
uint32_t pm2_cnt_blk;
|
|
uint32_t pm_tmr_blk;
|
|
uint32_t gpe0_blk;
|
|
uint32_t gpe1_blk;
|
|
uint8_t pm1_evt_len;
|
|
uint8_t pm1_cnt_len;
|
|
uint8_t pm2_cnt_len;
|
|
uint8_t pm_tmr_len;
|
|
uint8_t gpe0_blk_len;
|
|
uint8_t gpe1_blk_len;
|
|
uint8_t gpe1_base;
|
|
uint8_t cst_cnt;
|
|
uint16_t p_lvl2_lat;
|
|
uint16_t p_lvl3_lat;
|
|
uint16_t flush_size;
|
|
uint16_t flush_stride;
|
|
uint8_t duty_offset;
|
|
uint8_t duty_width;
|
|
uint8_t day_alrm;
|
|
uint8_t mon_alrm;
|
|
uint8_t century;
|
|
uint16_t iapc_boot_arch;
|
|
uint8_t __reserved2;
|
|
uint32_t flags;
|
|
GenericAddressStructure reset_reg;
|
|
uint8_t reset_value;
|
|
uint16_t arm_boot_arch;
|
|
uint8_t fadt_minor_version;
|
|
uint64_t x_firmware_ctrl;
|
|
uint64_t x_dsdt;
|
|
uint8_t x_pm1a_evt_blk[12];
|
|
uint8_t x_pm1b_evt_blk[12];
|
|
uint8_t x_pm1a_cnt_blk[12];
|
|
uint8_t x_pm1b_cnt_blk[12];
|
|
uint8_t x_pm2_cnt_blk[12];
|
|
uint8_t x_pm_tmr_blk[12];
|
|
uint8_t x_gpe0_blk[12];
|
|
uint8_t x_gpe1_blk[12];
|
|
uint8_t sleep_control_reg[12];
|
|
uint8_t sleep_status_reg[12];
|
|
uint64_t hypervison_vendor_identity;
|
|
} __attribute__((packed)) fadt_t;
|
|
|
|
struct acpi_madt {
|
|
struct acpi_sdt header;
|
|
uint32_t lapic_addr;
|
|
uint32_t flags;
|
|
uint8_t entries[];
|
|
} __attribute__((packed));
|
|
|
|
struct madt_iso {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
uint8_t bus;
|
|
uint8_t source;
|
|
uint32_t gsi;
|
|
uint16_t flags;
|
|
} __attribute__((packed));
|
|
|
|
struct madt_entry_header {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
} __attribute__((packed));
|
|
|
|
struct acpi_sdt *acpi_find_sdt(const char sig[4]);
|
|
|
|
#endif |