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DIMM_INFO

構造体
サイズx64: 32 バイト / x86: 32 バイト

サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。

フィールド

フィールド型サイズx64x86説明
DimmAddressDIMM_ADDRESS24+0+0DIMM 上のメモリアドレス構成(DIMM_ADDRESS)を保持する。
ValidBitsDIMM_ADDR_VALID_BITS4+24+24DimmAddress 各要素の有効性を示す有効ビット(DIMM_ADDR_VALID_BITS)を保持する。

各言語での定義

#include <windows.h>

// DIMM_ADDRESS  (x64 24 / x86 24 バイト)
typedef struct DIMM_ADDRESS {
    _Ddr4_e__Struct Ddr4;
    _Ddr5_e__Struct Ddr5;
} DIMM_ADDRESS;

// DIMM_ADDR_VALID_BITS_DDR4  (x64 4 / x86 4 バイト)
#pragma pack(push, 1)
typedef struct DIMM_ADDR_VALID_BITS_DDR4 {
    DWORD _bitfield;
} DIMM_ADDR_VALID_BITS_DDR4;
#pragma pack(pop)

// DIMM_ADDR_VALID_BITS_DDR5  (x64 4 / x86 4 バイト)
#pragma pack(push, 1)
typedef struct DIMM_ADDR_VALID_BITS_DDR5 {
    DWORD _bitfield;
} DIMM_ADDR_VALID_BITS_DDR5;
#pragma pack(pop)

// DIMM_ADDR_VALID_BITS  (x64 4 / x86 4 バイト)
#pragma pack(push, 1)
typedef struct DIMM_ADDR_VALID_BITS {
    DIMM_ADDR_VALID_BITS_DDR4 VB_DDR4;
    DIMM_ADDR_VALID_BITS_DDR5 VB_DDR5;
    DWORD AsUINT32;
} DIMM_ADDR_VALID_BITS;
#pragma pack(pop)

// DIMM_INFO  (x64 32 / x86 32 バイト)
typedef struct DIMM_INFO {
    DIMM_ADDRESS DimmAddress;
    DIMM_ADDR_VALID_BITS ValidBits;
} DIMM_INFO;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DIMM_ADDRESS
{
    public _Ddr4_e__Struct Ddr4;
    public _Ddr5_e__Struct Ddr5;
}

[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct DIMM_ADDR_VALID_BITS_DDR4
{
    public uint _bitfield;
}

[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct DIMM_ADDR_VALID_BITS_DDR5
{
    public uint _bitfield;
}

[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Unicode)]
public struct DIMM_ADDR_VALID_BITS
{
    public DIMM_ADDR_VALID_BITS_DDR4 VB_DDR4;
    public DIMM_ADDR_VALID_BITS_DDR5 VB_DDR5;
    public uint AsUINT32;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DIMM_INFO
{
    public DIMM_ADDRESS DimmAddress;
    public DIMM_ADDR_VALID_BITS ValidBits;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DIMM_ADDRESS
    Public Ddr4 As _Ddr4_e__Struct
    Public Ddr5 As _Ddr5_e__Struct
End Structure

<StructLayout(LayoutKind.Sequential, Pack:=1, CharSet:=CharSet.Unicode)>
Public Structure DIMM_ADDR_VALID_BITS_DDR4
    Public _bitfield As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, Pack:=1, CharSet:=CharSet.Unicode)>
Public Structure DIMM_ADDR_VALID_BITS_DDR5
    Public _bitfield As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, Pack:=1, CharSet:=CharSet.Unicode)>
Public Structure DIMM_ADDR_VALID_BITS
    Public VB_DDR4 As DIMM_ADDR_VALID_BITS_DDR4
    Public VB_DDR5 As DIMM_ADDR_VALID_BITS_DDR5
    Public AsUINT32 As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DIMM_INFO
    Public DimmAddress As DIMM_ADDRESS
    Public ValidBits As DIMM_ADDR_VALID_BITS
End Structure
import ctypes
from ctypes import wintypes

class DIMM_ADDRESS(ctypes.Structure):
    _fields_ = [
        ("Ddr4", _Ddr4_e__Struct),
        ("Ddr5", _Ddr5_e__Struct),
    ]

class DIMM_ADDR_VALID_BITS_DDR4(ctypes.Structure):
    _pack_ = 1
    _fields_ = [
        ("_bitfield", wintypes.DWORD),
    ]

class DIMM_ADDR_VALID_BITS_DDR5(ctypes.Structure):
    _pack_ = 1
    _fields_ = [
        ("_bitfield", wintypes.DWORD),
    ]

class DIMM_ADDR_VALID_BITS(ctypes.Structure):
    _pack_ = 1
    _fields_ = [
        ("VB_DDR4", DIMM_ADDR_VALID_BITS_DDR4),
        ("VB_DDR5", DIMM_ADDR_VALID_BITS_DDR5),
        ("AsUINT32", wintypes.DWORD),
    ]

class DIMM_INFO(ctypes.Structure):
    _fields_ = [
        ("DimmAddress", DIMM_ADDRESS),
        ("ValidBits", DIMM_ADDR_VALID_BITS),
    ]
#[repr(C)]
pub struct DIMM_ADDRESS {
    pub Ddr4: _Ddr4_e__Struct,
    pub Ddr5: _Ddr5_e__Struct,
}

#[repr(C, packed(1))]
pub struct DIMM_ADDR_VALID_BITS_DDR4 {
    pub _bitfield: u32,
}

#[repr(C, packed(1))]
pub struct DIMM_ADDR_VALID_BITS_DDR5 {
    pub _bitfield: u32,
}

#[repr(C, packed(1))]
pub struct DIMM_ADDR_VALID_BITS {
    pub VB_DDR4: DIMM_ADDR_VALID_BITS_DDR4,
    pub VB_DDR5: DIMM_ADDR_VALID_BITS_DDR5,
    pub AsUINT32: u32,
}

#[repr(C)]
pub struct DIMM_INFO {
    pub DimmAddress: DIMM_ADDRESS,
    pub ValidBits: DIMM_ADDR_VALID_BITS,
}
import "golang.org/x/sys/windows"

type DIMM_ADDRESS struct {
	Ddr4 _Ddr4_e__Struct
	Ddr5 _Ddr5_e__Struct
}

type DIMM_ADDR_VALID_BITS_DDR4 struct {
	_bitfield uint32
}

type DIMM_ADDR_VALID_BITS_DDR5 struct {
	_bitfield uint32
}

type DIMM_ADDR_VALID_BITS struct {
	VB_DDR4 DIMM_ADDR_VALID_BITS_DDR4
	VB_DDR5 DIMM_ADDR_VALID_BITS_DDR5
	AsUINT32 uint32
}

type DIMM_INFO struct {
	DimmAddress DIMM_ADDRESS
	ValidBits DIMM_ADDR_VALID_BITS
}
type
  DIMM_ADDRESS = record
    Ddr4: _Ddr4_e__Struct;
    Ddr5: _Ddr5_e__Struct;
  end;

  DIMM_ADDR_VALID_BITS_DDR4 = packed record
    _bitfield: DWORD;
  end;

  DIMM_ADDR_VALID_BITS_DDR5 = packed record
    _bitfield: DWORD;
  end;

  DIMM_ADDR_VALID_BITS = packed record
    VB_DDR4: DIMM_ADDR_VALID_BITS_DDR4;
    VB_DDR5: DIMM_ADDR_VALID_BITS_DDR5;
    AsUINT32: DWORD;
  end;

  DIMM_INFO = record
    DimmAddress: DIMM_ADDRESS;
    ValidBits: DIMM_ADDR_VALID_BITS;
  end;
const DIMM_ADDRESS = extern struct {
    Ddr4: _Ddr4_e__Struct,
    Ddr5: _Ddr5_e__Struct,
};

const DIMM_ADDR_VALID_BITS_DDR4 = extern struct {
    _bitfield: u32,
};

const DIMM_ADDR_VALID_BITS_DDR5 = extern struct {
    _bitfield: u32,
};

const DIMM_ADDR_VALID_BITS = extern struct {
    VB_DDR4: DIMM_ADDR_VALID_BITS_DDR4,
    VB_DDR5: DIMM_ADDR_VALID_BITS_DDR5,
    AsUINT32: u32,
};

const DIMM_INFO = extern struct {
    DimmAddress: DIMM_ADDRESS,
    ValidBits: DIMM_ADDR_VALID_BITS,
};
type
  DIMM_ADDRESS {.bycopy.} = object
    Ddr4: _Ddr4_e__Struct
    Ddr5: _Ddr5_e__Struct

  DIMM_ADDR_VALID_BITS_DDR4 {.packed.} = object
    _bitfield: uint32

  DIMM_ADDR_VALID_BITS_DDR5 {.packed.} = object
    _bitfield: uint32

  DIMM_ADDR_VALID_BITS {.packed.} = object
    VB_DDR4: DIMM_ADDR_VALID_BITS_DDR4
    VB_DDR5: DIMM_ADDR_VALID_BITS_DDR5
    AsUINT32: uint32

  DIMM_INFO {.bycopy.} = object
    DimmAddress: DIMM_ADDRESS
    ValidBits: DIMM_ADDR_VALID_BITS
struct DIMM_ADDRESS
{
    _Ddr4_e__Struct Ddr4;
    _Ddr5_e__Struct Ddr5;
}

align(1)
struct DIMM_ADDR_VALID_BITS_DDR4
{
    uint _bitfield;
}

align(1)
struct DIMM_ADDR_VALID_BITS_DDR5
{
    uint _bitfield;
}

align(1)
struct DIMM_ADDR_VALID_BITS
{
    DIMM_ADDR_VALID_BITS_DDR4 VB_DDR4;
    DIMM_ADDR_VALID_BITS_DDR5 VB_DDR5;
    uint AsUINT32;
}

struct DIMM_INFO
{
    DIMM_ADDRESS DimmAddress;
    DIMM_ADDR_VALID_BITS ValidBits;
}

HSP用 定義

HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。

; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; DIMM_INFO サイズ: 32 バイト(x64)
dim st, 8    ; 4byte整数×8(構造体サイズ 32 / 4 切り上げ)
; DimmAddress : DIMM_ADDRESS (+0, 24byte)  varptr(st)+0 を基点に操作(24byte:入れ子/配列)
; ValidBits : DIMM_ADDR_VALID_BITS (+24, 4byte)  varptr(st)+24 を基点に操作(4byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
#defstruct global DIMM_INFO
    #field byte DimmAddress 24
    #field byte ValidBits 4
#endstruct

stdim st, DIMM_INFO        ; NSTRUCT 変数を確保
; ※union フィールドは byte 列で確保(NSTRUCT は union 非対応)。必要に応じ手動でアクセス。