mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-21 00:06:32 +00:00
新增rust ffi (#77)
* 引入cargo * 取消对Cargo.lock的跟踪 * 解决vscode报错问题 * new: rust的代码能够调用c语言的printk_color * 1、将原本run.sh的工作拆解，变为几个不同的make命令 2、在docker镜像中编译rust * 更改workflow * update workflow * new: 解决workflow无法通过编译的问题
This commit is contained in:
login
GitHub
8
kernel/src/driver/acpi/Makefile
Normal file
8
kernel/src/driver/acpi/Makefile
Normal file
@ -0,0 +1,8 @@
|
||||
|
||||
all: acpi.o
|
||||
|
||||
CFLAGS += -I .
|
||||
|
||||
|
||||
acpi.o: acpi.c
|
||||
$(CC) $(CFLAGS) -c acpi.c -o acpi.o
|
||||
241
kernel/src/driver/acpi/acpi.c
Normal file
241
kernel/src/driver/acpi/acpi.c
Normal file
@ -0,0 +1,241 @@
|
||||
#include "acpi.h"
|
||||
#include <common/printk.h>
|
||||
#include <common/kprint.h>
|
||||
#include <driver/multiboot2/multiboot2.h>
|
||||
#include <mm/mm.h>
|
||||
#include <mm/mmio.h>
|
||||
|
||||
#define acpi_get_RSDT_entry_vaddr(phys_addr) (acpi_description_header_base + (phys_addr)-acpi_RSDT_entry_phys_base) // 获取RSDT entry的虚拟地址
|
||||
// #define acpi_get_XSDT_entry_vaddr(phys_addr) (ACPI_DESCRIPTION_HEDERS_BASE + (phys_addr)-acpi_XSDT_entry_phys_base) // 获取XSDT entry的虚拟地址
|
||||
|
||||
static struct acpi_RSDP_t *rsdpv1;
|
||||
static struct acpi_RSDP_2_t *rsdpv2;
|
||||
static struct acpi_RSDT_Structure_t *rsdt;
|
||||
static struct acpi_XSDT_Structure_t *xsdt;
|
||||
|
||||
static struct multiboot_tag_old_acpi_t old_acpi;
|
||||
static struct multiboot_tag_new_acpi_t new_acpi;
|
||||
|
||||
static ul acpi_RSDT_offset = 0;
|
||||
static ul acpi_XSDT_offset = 0;
|
||||
static uint acpi_RSDT_Entry_num = 0;
|
||||
static uint acpi_XSDT_Entry_num = 0;
|
||||
|
||||
static ul acpi_RSDT_entry_phys_base = 0; // RSDT中的第一个entry所在物理页的基地址
|
||||
|
||||
static uint64_t acpi_madt_vaddr = 0; // MADT的虚拟地址
|
||||
static uint64_t acpi_rsdt_virt_addr_base = 0; // RSDT的虚拟地址
|
||||
static uint64_t acpi_description_header_base = 0; // RSDT中的第一个entry所在虚拟地址
|
||||
|
||||
// static ul acpi_XSDT_entry_phys_base = 0; // XSDT中的第一个entry所在物理页的基地址
|
||||
|
||||
/**
|
||||
* @brief 迭代器，用于迭代描述符头（位于ACPI标准文件的Table 5-29）
|
||||
* @param _fun 迭代操作调用的函数
|
||||
* @param _data 数据
|
||||
*/
|
||||
void acpi_iter_SDT(bool (*_fun)(const struct acpi_system_description_table_header_t *, void *),
|
||||
void *_data)
|
||||
{
|
||||
|
||||
struct acpi_system_description_table_header_t *sdt_header;
|
||||
if (acpi_use_xsdt)
|
||||
{
|
||||
ul *ent = &(xsdt->Entry);
|
||||
for (int i = 0; i < acpi_XSDT_Entry_num; ++i)
|
||||
{
|
||||
mm_map_phys_addr(acpi_description_header_base + PAGE_2M_SIZE * i, (*(ent + i)) & PAGE_2M_MASK, PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD, false);
|
||||
sdt_header = (struct acpi_system_description_table_header_t *)((ul)(acpi_description_header_base + PAGE_2M_SIZE * i));
|
||||
|
||||
if (_fun(sdt_header, _data) == true)
|
||||
return;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
uint *ent = &(rsdt->Entry);
|
||||
for (int i = 0; i < acpi_RSDT_Entry_num; ++i)
|
||||
{
|
||||
|
||||
sdt_header = (struct acpi_system_description_table_header_t *)(acpi_get_RSDT_entry_vaddr((ul)(*(ent + i))));
|
||||
|
||||
if (_fun(sdt_header, _data) == true)
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief 获取MADT信息 Multiple APIC Description Table
|
||||
*
|
||||
* @param _iter_data 要被迭代的信息的结构体
|
||||
* @param _data 返回的MADT的虚拟地址
|
||||
* @param count 返回数组的长度
|
||||
* @return true
|
||||
* @return false
|
||||
*/
|
||||
bool acpi_get_MADT(const struct acpi_system_description_table_header_t *_iter_data, void *_data)
|
||||
{
|
||||
if (!(_iter_data->Signature[0] == 'A' && _iter_data->Signature[1] == 'P' && _iter_data->Signature[2] == 'I' && _iter_data->Signature[3] == 'C'))
|
||||
return false;
|
||||
//*(struct acpi_Multiple_APIC_Description_Table_t *)_data = *(struct acpi_Multiple_APIC_Description_Table_t *)_iter_data;
|
||||
// 返回MADT的虚拟地址
|
||||
*(ul *)_data = (ul)_iter_data;
|
||||
acpi_madt_vaddr = (ul)_iter_data;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief 获取HPET HPET_description_table
|
||||
*
|
||||
* @param _iter_data 要被迭代的信息的结构体
|
||||
* @param _data 返回的HPET表的虚拟地址
|
||||
* @return true
|
||||
* @return false
|
||||
*/
|
||||
bool acpi_get_HPET(const struct acpi_system_description_table_header_t *_iter_data, void *_data)
|
||||
{
|
||||
if (!(_iter_data->Signature[0] == 'H' && _iter_data->Signature[1] == 'P' && _iter_data->Signature[2] == 'E' && _iter_data->Signature[3] == 'T'))
|
||||
return false;
|
||||
*(ul *)_data = (ul)_iter_data;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief 初始化acpi模块
|
||||
*
|
||||
*/
|
||||
// todo: 修复bug：当物理机上提供了rsdpv2之后，rsdpv1是不提供的（物理地址为0），因此需要手动判断rsdp的版本信息，然后做对应的解析。
|
||||
void acpi_init()
|
||||
{
|
||||
kinfo("Initializing ACPI...");
|
||||
|
||||
// 获取物理地址
|
||||
int reserved;
|
||||
|
||||
multiboot2_iter(multiboot2_get_acpi_old_RSDP, &old_acpi, &reserved);
|
||||
rsdpv1 = &(old_acpi.rsdp);
|
||||
|
||||
multiboot2_iter(multiboot2_get_acpi_new_RSDP, &new_acpi, &reserved);
|
||||
rsdpv2 = &(new_acpi.rsdp);
|
||||
|
||||
uint64_t paddr = 0;
|
||||
// An ACPI-compatible OS must use the XSDT if present
|
||||
if (rsdpv2->XsdtAddress != 0x00UL)
|
||||
{
|
||||
// 不要删除这段注释（因为还不确定是代码的bug，还是真机的bug）
|
||||
/*
|
||||
acpi_use_xsdt = true;
|
||||
ul xsdt_phys_base = rsdpv2->XsdtAddress & PAGE_2M_MASK;
|
||||
acpi_XSDT_offset = rsdpv2->XsdtAddress - xsdt_phys_base;
|
||||
mm_map_phys_addr(ACPI_XSDT_VIRT_ADDR_BASE, xsdt_phys_base, PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD, false);
|
||||
kdebug("XSDT mapped!");
|
||||
|
||||
xsdt = (struct acpi_XSDT_Structure_t *)(ACPI_XSDT_VIRT_ADDR_BASE + acpi_XSDT_offset);
|
||||
// 计算RSDT Entry的数量
|
||||
kdebug("offset=%d", sizeof(xsdt->header));
|
||||
kdebug("xsdt sign=%s", xsdt->header.Signature);
|
||||
acpi_XSDT_Entry_num = (xsdt->header.Length - sizeof(xsdt->header)) / 8;
|
||||
|
||||
printk_color(ORANGE, BLACK, "XSDT Length=%dbytes.\n", xsdt->header.Length);
|
||||
printk_color(ORANGE, BLACK, "XSDT Entry num=%d\n", acpi_XSDT_Entry_num);
|
||||
|
||||
mm_map_phys_addr(ACPI_XSDT_VIRT_ADDR_BASE, xsdt_phys_base, xsdt->header.Length + PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD, false);
|
||||
// 映射所有的Entry的物理地址
|
||||
ul *ent = &(xsdt->Entry);
|
||||
for (int j = 0; j < acpi_XSDT_Entry_num; ++j)
|
||||
{
|
||||
kdebug("entry=%#018lx, virt=%#018lx", (*(ent + j)) & PAGE_2M_MASK, ACPI_XSDT_DESCRIPTION_HEDERS_BASE + PAGE_2M_SIZE * j);
|
||||
// 映射RSDT ENTRY的物理地址
|
||||
mm_map_phys_addr(ACPI_XSDT_DESCRIPTION_HEDERS_BASE + PAGE_2M_SIZE * j, (*(ent + j)) & PAGE_2M_MASK, PAGE_2M_SIZE, PAGE_KERNEL_PAGE | PAGE_PWT | PAGE_PCD, false);
|
||||
}
|
||||
*/
|
||||
|
||||
// 由于解析XSDT出现问题。暂时只使用Rsdpv2的rsdt，但是这是不符合ACPI规范的！！！
|
||||
ul rsdt_phys_base = rsdpv2->rsdp1.RsdtAddress & PAGE_2M_MASK;
|
||||
acpi_RSDT_offset = rsdpv2->rsdp1.RsdtAddress - rsdt_phys_base;
|
||||
|
||||
//申请mmio空间
|
||||
uint64_t size = 0;
|
||||
mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_rsdt_virt_addr_base, &size);
|
||||
|
||||
//映射rsdt表
|
||||
paddr = (uint64_t)rsdt_phys_base;
|
||||
mm_map(&initial_mm, acpi_rsdt_virt_addr_base, PAGE_2M_SIZE, paddr);
|
||||
|
||||
// rsdt表虚拟地址
|
||||
rsdt = (struct acpi_RSDT_Structure_t *)(acpi_rsdt_virt_addr_base + acpi_RSDT_offset);
|
||||
kdebug("RSDT mapped!(v2)");
|
||||
|
||||
// 计算RSDT Entry的数量
|
||||
kdebug("offset=%d", sizeof(rsdt->header));
|
||||
acpi_RSDT_Entry_num = (rsdt->header.Length - 36) / 4;
|
||||
|
||||
printk_color(ORANGE, BLACK, "RSDT Length=%dbytes.\n", rsdt->header.Length);
|
||||
printk_color(ORANGE, BLACK, "RSDT Entry num=%d\n", acpi_RSDT_Entry_num);
|
||||
|
||||
//申请mmio空间
|
||||
mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_description_header_base, &size);
|
||||
|
||||
// 映射所有的Entry的物理地址
|
||||
acpi_RSDT_entry_phys_base = ((ul)(rsdt->Entry)) & PAGE_2M_MASK;
|
||||
// 由于地址只是32bit的，并且存在脏数据，这里需要手动清除高32bit，否则会触发#GP
|
||||
acpi_RSDT_entry_phys_base = MASK_HIGH_32bit(acpi_RSDT_entry_phys_base);
|
||||
|
||||
paddr = (uint64_t)acpi_RSDT_entry_phys_base;
|
||||
mm_map(&initial_mm, acpi_description_header_base, PAGE_2M_SIZE, paddr);
|
||||
}
|
||||
else if (rsdpv1->RsdtAddress != (uint)0x00UL)
|
||||
{
|
||||
// rsdt表物理地址
|
||||
ul rsdt_phys_base = rsdpv1->RsdtAddress & PAGE_2M_MASK;
|
||||
acpi_RSDT_offset = rsdpv1->RsdtAddress - rsdt_phys_base;
|
||||
|
||||
kdebug("rsdpv1->RsdtAddress=%#018lx", rsdpv1->RsdtAddress);
|
||||
//申请mmio空间
|
||||
uint64_t size = 0;
|
||||
mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_rsdt_virt_addr_base, &size);
|
||||
|
||||
// kdebug("acpi_rsdt_virt_addr_base = %#018lx,size= %#010lx", acpi_rsdt_virt_addr_base, size);
|
||||
//映射rsdt表
|
||||
paddr = (uint64_t)rsdt_phys_base;
|
||||
mm_map(&initial_mm, acpi_rsdt_virt_addr_base, PAGE_2M_SIZE, paddr);
|
||||
// rsdt表虚拟地址
|
||||
rsdt = (struct acpi_RSDT_Structure_t *)(acpi_rsdt_virt_addr_base + acpi_RSDT_offset);
|
||||
kdebug("RSDT mapped!");
|
||||
|
||||
// kdebug("length = %d",rsdt->header.Length);
|
||||
// 计算RSDT Entry的数量
|
||||
// kdebug("offset=%d", sizeof(rsdt->header));
|
||||
|
||||
acpi_RSDT_Entry_num = (rsdt->header.Length - 36) / 4;
|
||||
|
||||
printk_color(ORANGE, BLACK, "RSDT Length=%dbytes.\n", rsdt->header.Length);
|
||||
printk_color(ORANGE, BLACK, "RSDT Entry num=%d\n", acpi_RSDT_Entry_num);
|
||||
|
||||
//申请mmio空间
|
||||
mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_description_header_base, &size);
|
||||
|
||||
// 映射所有的Entry的物理地址
|
||||
acpi_RSDT_entry_phys_base = ((ul)(rsdt->Entry)) & PAGE_2M_MASK;
|
||||
// 由于地址只是32bit的，并且存在脏数据，这里需要手动清除高32bit，否则会触发#GP
|
||||
acpi_RSDT_entry_phys_base = MASK_HIGH_32bit(acpi_RSDT_entry_phys_base);
|
||||
|
||||
paddr = (uint64_t)acpi_RSDT_entry_phys_base;
|
||||
mm_map(&initial_mm, acpi_description_header_base, PAGE_2M_SIZE, paddr);
|
||||
// kinfo("entry mapped!");
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
// should not reach here!
|
||||
kBUG("At acpi_init(): Cannot get right SDT!");
|
||||
while (1)
|
||||
;
|
||||
}
|
||||
|
||||
kinfo("ACPI module initialized!");
|
||||
return;
|
||||
}
|
||||
197
kernel/src/driver/acpi/acpi.h
Normal file
197
kernel/src/driver/acpi/acpi.h
Normal file
@ -0,0 +1,197 @@
|
||||
/**
|
||||
* 解析acpi信息的模块
|
||||
**/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <common/glib.h>
|
||||
#include <mm/mm.h>
|
||||
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_LOCAL_APIC 0
|
||||
#define ACPI_ICS_TYPE_IO_APIC 1
|
||||
#define ACPI_ICS_TYPE_INTERRUPT_SOURCE_OVERRIDE 2
|
||||
#define ACPI_ICS_TYPE_NMI_SOURCE 3
|
||||
#define ACPI_ICS_TYPE_LOCAL_APIC_NMI 4
|
||||
#define ACPI_ICS_TYPE_LOCAL_APIC_ADDRESS_OVERRIDE 5
|
||||
#define ACPI_ICS_TYPE_IO_SAPIC 6
|
||||
#define ACPI_ICS_TYPE_LOCAL_SAPIC 7
|
||||
#define ACPI_ICS_TYPE_PLATFORM_INTERRUPT_SOURCES 8
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_LOCAL_x2APIC 9
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_LOCAL_x2APIC_NMI 0xA
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_GICC 0xB
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_GICD 0xC
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_GIC_MSI_Frame 0xD
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_GICR 0xE
|
||||
#define ACPI_ICS_TYPE_PROCESSOR_GIC_ITS 0xF
|
||||
// 0x10-0x7f Reserved. OSPM skips structures of the reserved type.
|
||||
// 0x80-0xff Reserved for OEM use
|
||||
// extern const uint64_t acpi_rsdt_virt_addr_base ; // RSDT的虚拟地址
|
||||
// extern const uint64_t acpi_description_header_base ; // RSDT中的第一个entry所在虚拟地址
|
||||
|
||||
bool acpi_use_xsdt = false;
|
||||
struct acpi_RSDP_t
|
||||
{
|
||||
unsigned char Signature[8];
|
||||
unsigned char Checksum;
|
||||
unsigned char OEMID[6];
|
||||
|
||||
unsigned char Revision;
|
||||
|
||||
// 32bit physical address of the RSDT
|
||||
uint RsdtAddress;
|
||||
} __attribute__((packed));
|
||||
|
||||
struct acpi_RSDP_2_t
|
||||
{
|
||||
struct acpi_RSDP_t rsdp1;
|
||||
|
||||
// fields below are only valid when the revision value is 2 or above
|
||||
// 表的长度（单位：字节）从offset=0开始算
|
||||
uint Length;
|
||||
// 64bit的XSDT的物理地址
|
||||
ul XsdtAddress;
|
||||
unsigned char ExtendedChecksum; // 整个表的checksum，包括了之前的checksum区域
|
||||
|
||||
unsigned char Reserved[3];
|
||||
} __attribute__((packed));
|
||||
|
||||
struct acpi_system_description_table_header_t
|
||||
{
|
||||
// The ascii string representation of the table header.
|
||||
unsigned char Signature[4];
|
||||
// 整个表的长度（单位：字节），包括了header，从偏移量0处开始
|
||||
uint Length;
|
||||
// The revision of the structure corresponding to the signature field for this table.
|
||||
unsigned char Revision;
|
||||
// The entire table, including the checksum field, must add to zero to be considered valid.
|
||||
char Checksum;
|
||||
|
||||
unsigned char OEMID[6];
|
||||
unsigned char OEM_Table_ID[8];
|
||||
uint OEMRevision;
|
||||
uint CreatorID;
|
||||
uint CreatorRevision;
|
||||
} __attribute__((packed));
|
||||
|
||||
// HPET描述符结构体，sign为HPET
|
||||
struct acpi_HPET_description_table_t
|
||||
{
|
||||
struct acpi_system_description_table_header_t header;
|
||||
|
||||
uint8_t hardware_rev_id;
|
||||
uint8_t comparator_count : 5; // Number of Comparators in 1st Timer Block
|
||||
uint8_t counter_size : 1; // COUNT_SIZE_CAP counter size
|
||||
uint8_t reserved0 : 1;
|
||||
uint8_t legacy_replacement : 1; // LegacyReplacement IRQ Routing Capable
|
||||
uint16_t pci_vendor_id; // PCI Vendor ID of 1st Timer Block
|
||||
|
||||
uint8_t address_space_id; // 0 - system memory, 1 - system I/O
|
||||
uint8_t register_bit_width;
|
||||
uint8_t register_bit_offset;
|
||||
uint8_t reserved1;
|
||||
uint64_t address;
|
||||
|
||||
uint8_t hpet_number;
|
||||
uint16_t minimum_tick; // The minimum clock ticks can be set without lost interrupts while the counter is programmed to operate in periodic mode
|
||||
|
||||
uint8_t page_protection;
|
||||
|
||||
} __attribute__((packed));
|
||||
|
||||
// =========== MADT结构，其中Signature为APIC ============
|
||||
struct acpi_Multiple_APIC_Description_Table_t
|
||||
{
|
||||
struct acpi_system_description_table_header_t header;
|
||||
|
||||
// 32bit的，每个处理器可访问的local中断控制器的物理地址
|
||||
uint Local_Interrupt_Controller_Address;
|
||||
|
||||
// Multiple APIC flags, 详见 ACPI Specification Version 6.3, Table 5-44
|
||||
uint flags;
|
||||
|
||||
// 接下来的(length-44)字节是Interrupt Controller Structure
|
||||
};
|
||||
|
||||
struct apic_Interrupt_Controller_Structure_header_t
|
||||
{
|
||||
unsigned char type;
|
||||
unsigned char length;
|
||||
};
|
||||
|
||||
struct acpi_Processor_Local_APIC_Structure_t
|
||||
{
|
||||
// type=0
|
||||
struct apic_Interrupt_Controller_Structure_header_t header;
|
||||
unsigned char ACPI_Processor_UID;
|
||||
// 处理器的local apic id
|
||||
unsigned char local_apic_id;
|
||||
//详见 ACPI Specification Version 6.3, Table 5-47
|
||||
uint flags;
|
||||
};
|
||||
|
||||
struct acpi_IO_APIC_Structure_t
|
||||
{
|
||||
// type=1
|
||||
struct apic_Interrupt_Controller_Structure_header_t header;
|
||||
unsigned char IO_APIC_ID;
|
||||
unsigned char Reserved;
|
||||
// 32bit的IO APIC物理地址 （每个IO APIC都有一个独立的物理地址）
|
||||
uint IO_APIC_Address;
|
||||
// 当前IO APIC的全局系统中断向量号起始值
|
||||
// The number of intr inputs is determined by the IO APIC's Max Redir Entry register.
|
||||
uint Global_System_Interrupt_Base;
|
||||
};
|
||||
|
||||
// =========== RSDT 结构 =============
|
||||
struct acpi_RSDT_Structure_t
|
||||
{
|
||||
// 通过RSDT的header->Length可以计算出entry的数量n
|
||||
// n = (length - 32)/4
|
||||
struct acpi_system_description_table_header_t header;
|
||||
|
||||
// 一个包含了n个32bit物理地址的数组，指向了其他的description headers
|
||||
uint Entry;
|
||||
};
|
||||
|
||||
// =========== XSDT 结构 =============
|
||||
struct acpi_XSDT_Structure_t
|
||||
{
|
||||
// 通过RSDT的header->Length可以计算出entry的数量n
|
||||
// n = (length - 36)/8
|
||||
struct acpi_system_description_table_header_t header;
|
||||
|
||||
// 一个包含了n个64bit物理地址的数组，指向了其他的description headers
|
||||
ul Entry;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief 迭代器，用于迭代描述符头（位于ACPI标准文件的Table 5-29）
|
||||
* @param _fun 迭代操作调用的函数
|
||||
* @param _data 数据
|
||||
*/
|
||||
void acpi_iter_SDT(bool (*_fun)(const struct acpi_system_description_table_header_t *, void *),
|
||||
void *_data);
|
||||
|
||||
/**
|
||||
* @brief 获取MADT信息 Multiple APIC Description Table
|
||||
*
|
||||
* @param _iter_data 要被迭代的信息的结构体
|
||||
* @param _data 返回的MADT的虚拟地址
|
||||
* @param count 返回数组的长度
|
||||
* @return true
|
||||
* @return false
|
||||
*/
|
||||
bool acpi_get_MADT(const struct acpi_system_description_table_header_t *_iter_data, void *_data);
|
||||
|
||||
/**
|
||||
* @brief 获取HPET HPET_description_table
|
||||
*
|
||||
* @param _iter_data 要被迭代的信息的结构体
|
||||
* @param _data 返回的HPET表的虚拟地址
|
||||
* @return true
|
||||
* @return false
|
||||
*/
|
||||
bool acpi_get_HPET(const struct acpi_system_description_table_header_t *_iter_data, void *_data);
|
||||
|
||||
// 初始化acpi模块
|
||||
void acpi_init();
|
||||
Reference in New Issue
Block a user