acpi.c File Reference

#include "hal/apic/apic.h"
#include "hal/apic/ioapic.h"
#include "hal/cpu/paging.h"
#include "hal/pci/pcie.h"
#include "init/init.h"
#include "libk/debug/debug.h"
#include "libk/io.h"
#include "libk/serial.h"
#include "memory/memory_utils.h"
#include "memory/phys_base_allocator.h"
#include "memory/vm_manager.h"
#include "type.h"
#include <hal/acpi/acpi.h>
#include <hal/acpi/hpet.h>
#include <str.h>

Go to the source code of this file.

Macros
#define	APIC_SIGNATURE   0x43495041
#define	HPET_SIGNATURE   0x54455048
#define	MCFG_SIGNATURE   0x4746434D
#define	WAET_SIGNATURE   0x54454157
#define	FACP_SIGNATURE   0x50434146
#define	TPM2_SIGNATURE   0x324D5054
#define	DSDT_SIGNATURE   0x54445344

Functions
struct cpu_core *	vxGetCpuInfo (uint8_t apicid)
void	apicSetBaseAddr (uintptr_t addr)
static void	vxACPIRegisterNewCore (uint8_t apicid, uint8_t cpuid, uint32_t flag)
uint8_t	vxGetNumberOfCores ()
uintptr_t	acpi_map_phys_page (uintptr_t phys_addr, size_t len)
void	acpi_phys_page_unmap (uintptr_t addr)
static void	parsing_fadt (uintptr_t fadt_addr)
static void	parsing_madt (struct MADT *madt)
void	initacpi (__attribute__((unused)) init_context_t *ctx)
static initcall_t __init_acpi	__attribute__ ((used, section(".init_early." "acpi")))

Variables
static struct cpu_core *	cpu_list = 0

Macro Definition Documentation

APIC_SIGNATURE

#define APIC_SIGNATURE   0x43495041

Definition at line 223 of file acpi.c.

Referenced by __attribute__().

DSDT_SIGNATURE

#define DSDT_SIGNATURE   0x54445344

Definition at line 229 of file acpi.c.

FACP_SIGNATURE

#define FACP_SIGNATURE   0x50434146

Definition at line 227 of file acpi.c.

Referenced by __attribute__().

HPET_SIGNATURE

#define HPET_SIGNATURE   0x54455048

Definition at line 224 of file acpi.c.

Referenced by __attribute__().

MCFG_SIGNATURE

#define MCFG_SIGNATURE   0x4746434D

Definition at line 225 of file acpi.c.

Referenced by __attribute__().

TPM2_SIGNATURE

#define TPM2_SIGNATURE   0x324D5054

Definition at line 228 of file acpi.c.

Referenced by __attribute__().

WAET_SIGNATURE

#define WAET_SIGNATURE   0x54454157

Definition at line 226 of file acpi.c.

Referenced by __attribute__().

Function Documentation

__attribute__()

static initcall_t __init_acpi __attribute__ ( (used, section(".init_early." "acpi")) )

static

References acpi_map_phys_page(), addr, APIC_SIGNATURE, FACP_SIGNATURE, RSDT::h, HPET_SIGNATURE, SDT::Length, LOG_INFO, mcfg_parse(), MCFG_SIGNATURE, parsing_fadt(), parsing_madt(), phys_addr, RSDT::PointerToOtherSDT, RSDP_t::RsdtAddress, serial_trace, RSDP_t::Signature, SDT::Signature, strncmp(), TPM2_SIGNATURE, VIRT2PHYS, vxHPETInitialize(), and WAET_SIGNATURE.

acpi_map_phys_page()

uintptr_t acpi_map_phys_page	(	uintptr_t	phys_addr,
		size_t	len )

Definition at line 55 of file acpi.c.

References ALIGN_DOWN, BLOCK_SIZE, get_kernel_vmm_page(), len, offset, PAGE_CACHE_DISABLE, PAGE_NO_EXECUTE, PAGE_PRESENT, PAGE_WRITABLE, PAGE_WRITE_THROUGH, paging_get_highest_page_map(), paging_reload(), phys_addr, vma_lookup_free_vaddr(), VMA_REGION_A, vma_register(), and vxMultipleMmap().

Referenced by __attribute__(), parsing_madt(), and vxHPETInitialize().

acpi_phys_page_unmap()

void acpi_phys_page_unmap

(

uintptr_t

addr

)

Definition at line 76 of file acpi.c.

References addr, get_kernel_vmm_page(), paging_get_highest_page_map(), paging_reload(), paging_unmap_fill(), and vma_unregister().

apicSetBaseAddr()

void apicSetBaseAddr ( uintptr_t addr )

extern

Definition at line 58 of file apic.c.

References addr, and lapic_base_addr.

Referenced by parsing_madt().

initacpi()

void initacpi

(

__attribute__((unused)) init_context_t *

ctx

)

Definition at line 231 of file acpi.c.

parsing_fadt()

static void parsing_fadt ( uintptr_t fadt_addr )

static

Definition at line 141 of file acpi.c.

References UNUSED.

Referenced by __attribute__().

parsing_madt()

static void parsing_madt ( struct MADT * madt )

static

Definition at line 154 of file acpi.c.

References ACPI_IO_INT_OVERRIDE, acpi_map_phys_page(), ACPI_NMI, ACPI_PROCESSOR_LAPIC, apicInitialize(), apicSetBaseAddr(), flags, gsi, MADT::header, ioapic_add_irq_gsi_map(), ioapic_setup(), SDT::Length, MADT::localApicAddress, LOG_DEBUG, LOG_INFO, madt_record_table_entry_t, ptr, MADT::table, and vxACPIRegisterNewCore().

Referenced by __attribute__().

vxACPIRegisterNewCore()

static void vxACPIRegisterNewCore ( uint8_t apicid, uint8_t cpuid, uint32_t flag )

static

Definition at line 33 of file acpi.c.

References cpu_core::apicid, core, cpu_list, cpuid(), cpu_core::flag, kalloc(), and Off.

Referenced by parsing_madt().

vxGetCpuInfo()

struct cpu_core * vxGetCpuInfo

(

uint8_t

apicid

)

Definition at line 21 of file acpi.c.

References cpu_core::apicid, core, and cpu_list.

Referenced by __attribute__(), INIT(), INIT(), and vxAddWorkqueueTask().

vxGetNumberOfCores()

uint8_t vxGetNumberOfCores

(

)

Definition at line 45 of file acpi.c.

References core, count, and cpu_list.

Referenced by INIT(), and INIT().

Variable Documentation

cpu_list

struct cpu_core* cpu_list = 0

static

Definition at line 19 of file acpi.c.

Referenced by vxACPIRegisterNewCore(), vxGetCpuInfo(), and vxGetNumberOfCores().