BasicInfo Struct Reference

内核基础信息（物理内存、内核地址、CPU 核数等） More...

#include <basic_info.hpp>

Collaboration diagram for BasicInfo:

Public Member Functions
构造/析构函数
	BasicInfo (int argc, const char **argv)
	BasicInfo ()=default
	BasicInfo (const BasicInfo &)=default
	BasicInfo (BasicInfo &&)=default
auto	operator= (const BasicInfo &) -> BasicInfo &=default
auto	operator= (BasicInfo &&) -> BasicInfo &=default
	~BasicInfo ()=default

Public Attributes
uint64_t	physical_memory_addr {0}
	physical_memory 地址
size_t	physical_memory_size {0}
	physical_memory 大小
uint64_t	kernel_addr {0}
	kernel 地址
size_t	kernel_size {0}
	kernel 大小
uint64_t	elf_addr {0}
	elf 地址
uint64_t	fdt_addr {0}
	fdt 地址
size_t	core_count {0}
	cpu 核数
size_t	interval {0}
	时钟频率

Detailed Description

内核基础信息（物理内存、内核地址、CPU 核数等）

Definition at line 26 of file basic_info.hpp.

Constructor & Destructor Documentation

BasicInfo() [1/4]

BasicInfo::BasicInfo ( int  argc, const char **  argv  )

explicit

构造函数，在 arch_main.cpp 中定义

Parameters

argc	同 _start
argv	同 _start

Copyright

Copyright The SimpleKernel Contributors

Definition at line 20 of file arch_main.cpp.

                                           {
  KernelFdtSingleton::instance()
      .GetMemory()
      .and_then([this](std::pair<uint64_t, size_t> mem) -> Expected<void> {
        physical_memory_addr = mem.first;
        physical_memory_size = mem.second;
        return {};
      })
      .or_else([](Error err) -> Expected<void> {
        klog::Err("Failed to get memory info: {}", err.message());
        while (true) {
          cpu_io::Pause();
        }
        return {};
      });
 
  kernel_addr = reinterpret_cast<uint64_t>(__executable_start);
  kernel_size = reinterpret_cast<uint64_t>(end) -
                reinterpret_cast<uint64_t>(__executable_start);
  elf_addr = kernel_addr;
 
  fdt_addr = strtoull(argv[2], nullptr, 16);
 
  core_count = KernelFdtSingleton::instance().GetCoreCount().value_or(1);
 
  interval = cpu_io::CNTFRQ_EL0::Read();
}

Here is the call graph for this function:

BasicInfo() [2/4]

BasicInfo::BasicInfo ( )

default

BasicInfo() [3/4]

BasicInfo::BasicInfo ( const BasicInfo &  )

default

BasicInfo() [4/4]

BasicInfo::BasicInfo ( BasicInfo &&  )

default

~BasicInfo()

BasicInfo::~BasicInfo ( )

default

Member Function Documentation

operator=() [1/2]

auto BasicInfo::operator= ( BasicInfo &&  ) -> BasicInfo &=default

default

operator=() [2/2]

auto BasicInfo::operator= ( const BasicInfo &  ) -> BasicInfo &=default

default

Member Data Documentation

core_count

size_t BasicInfo::core_count {0}

cpu 核数

Definition at line 44 of file basic_info.hpp.

{0};

elf_addr

uint64_t BasicInfo::elf_addr {0}

elf 地址

Definition at line 38 of file basic_info.hpp.

{0};

fdt_addr

uint64_t BasicInfo::fdt_addr {0}

fdt 地址

Definition at line 41 of file basic_info.hpp.

{0};

interval

size_t BasicInfo::interval {0}

时钟频率

Definition at line 47 of file basic_info.hpp.

{0};

kernel_addr

uint64_t BasicInfo::kernel_addr {0}

kernel 地址

Definition at line 33 of file basic_info.hpp.

{0};

kernel_size

size_t BasicInfo::kernel_size {0}

kernel 大小

Definition at line 35 of file basic_info.hpp.

{0};

physical_memory_addr

uint64_t BasicInfo::physical_memory_addr {0}

physical_memory 地址

Definition at line 28 of file basic_info.hpp.

{0};

physical_memory_size

size_t BasicInfo::physical_memory_size {0}

physical_memory 大小

Definition at line 30 of file basic_info.hpp.

{0};

---

The documentation for this struct was generated from the following files:

• /workspaces/SimpleKernel/src/include/basic_info.hpp
• /workspaces/SimpleKernel/src/arch/aarch64/arch_main.cpp
• /workspaces/SimpleKernel/src/arch/riscv64/arch_main.cpp
• /workspaces/SimpleKernel/src/arch/x86_64/arch_main.cpp