{"id":887,"date":"2025-02-10T13:50:42","date_gmt":"2025-02-10T04:50:42","guid":{"rendered":"https:\/\/txn.myds.me\/blog\/?p=887"},"modified":"2025-02-10T13:50:42","modified_gmt":"2025-02-10T04:50:42","slug":"edk2-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e5%85%a5%e5%87%ba%e5%8a%9b-%e3%81%9d%e3%81%ae2","status":"publish","type":"post","link":"https:\/\/blog.txn.red\/?p=887","title":{"rendered":"edk2 \u30d5\u30a1\u30a4\u30eb\u5165\u51fa\u529b &#8211; \u305d\u306e2"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u524d\u56de\u3001edk2 \u306e\u30d5\u30a1\u30a4\u30eb\u5165\u51fa\u529b\u3092\u3084\u3063\u305f\u304c\u3061\u3087\u3063\u3068\u898b\u3065\u3089\u3044\u306e\u3067\u66f8\u304d\u8fbc\u307f\u3068\u8aad\u307f\u8fbc\u307f\u3092\u5225\u95a2\u6570\u306b\u5207\u308a\u51fa\u3059\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hello4Pkg \u3068\u3044\u3046\u5225\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u3057\u3066\u3084\u3063\u3066\u307f\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"%25e3%2583%2595%25e3%2582%25a1%25e3%2582%25a4%25e3%2583%25ab%25e6%25a7%258b%25e6%2588%2590\">\u30d5\u30a1\u30a4\u30eb\u69cb\u6210<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>edk2\n<ul class=\"wp-block-list\">\n<li>Hello4Pkg \u30d5\u30a9\u30eb\u30c0\n<ul class=\"wp-block-list\">\n<li>Hello4.c<\/li>\n\n\n\n<li>Hello4.inf<\/li>\n\n\n\n<li>Hello4Pkg.dec<\/li>\n\n\n\n<li>Hello4Pkg.dsc<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>disk.img<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Hello4.c \u306f\u3053\u3093\u306a\u611f\u3058\u3002\u30cf\u30a4\u30e9\u30a4\u30c8\u884c\u304c\u5207\u308a\u51fa\u3057\u305f\u300c\u66f8\u304d\u8fbc\u307f\u300d\u3001\u300c\u8aad\u307f\u8fbc\u307f\u300d\u51e6\u7406\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-c\" data-file=\"Hello4.c\" data-lang=\"C\" data-line=\"9,43,109,118\"><code>#include &lt;Uefi.h&gt;\n#include &lt;Library\/UefiLib.h&gt;\n#include &lt;Protocol\/SimpleFileSystem.h&gt;\n#include &lt;Library\/MemoryAllocationLib.h&gt;\n#include &lt;Guid\/FileInfo.h&gt;\n#include &lt;Guid\/FileSystemInfo.h&gt;\n\nEFI_STATUS\nWriteFile(\n    IN EFI_FILE_PROTOCOL *Root,\n    IN CHAR16 *FileName,\n    IN CHAR16 *Data\n)\n{\n    EFI_STATUS Status;\n    EFI_FILE_PROTOCOL *File;\n    UINTN WriteSize = StrLen(Data) * sizeof(CHAR16);\n\n    Status = Root-&gt;Open(\n        Root,\n        &File,\n        FileName,\n        EFI_FILE_MODE_CREATE | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ,\n        0\n    );\n    if (EFI_ERROR(Status)) {\n        Print(L&quot;fail: to create file\\n&quot;);\n        return Status;\n    }\n\n    Status = File-&gt;Write(File, &WriteSize, Data);\n    if (EFI_ERROR(Status)) {\n        Print(L&quot;fail: to write file\\n&quot;);\n        File-&gt;Close(File);\n        return Status;\n    }\n    \n    File-&gt;Close(File);\n    return EFI_SUCCESS;\n}\n\nEFI_STATUS\nReadFile(\n    IN EFI_FILE_PROTOCOL *Root,\n    IN CHAR16 *FileName,\n    OUT CHAR16 *Buffer,\n    IN UINTN BufferSize,\n    OUT UINTN *ReadSize\n)\n{\n    EFI_STATUS Status;\n    EFI_FILE_PROTOCOL *File;\n\n    Status = Root-&gt;Open(\n        Root,\n        &File,\n        FileName,\n        EFI_FILE_MODE_READ,\n        0\n    );\n    if (EFI_ERROR(Status)) {\n        Print(L&quot;fail: to open file for reading\\n&quot;);\n        return Status;\n    }\n\n    *ReadSize = BufferSize;\n    Status = File-&gt;Read(File, ReadSize, Buffer);\n    if (EFI_ERROR(Status)) {\n        Print(L&quot;fail: to read file: %r\\n&quot;, Status);\n        File-&gt;Close(File);\n        return Status;\n    }\n\n    File-&gt;Close(File);\n    return EFI_SUCCESS;\n}\n\nEFI_STATUS\nEFIAPI\nUefiMain(\n    IN EFI_HANDLE ImageHandle,\n    IN EFI_SYSTEM_TABLE *SystemTable\n)\n{\n    EFI_STATUS Status;\n    EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;\n    EFI_FILE_PROTOCOL *Root;\n    CHAR16 *FileName = L&quot;\\\\test.txt&quot;;\n\n    \/\/ Load Protocol\n    Status = SystemTable-&gt;BootServices-&gt;LocateProtocol(\n        &gEfiSimpleFileSystemProtocolGuid,\n        NULL,\n        (VOID**)&FileSystem\n    );\n    if (EFI_ERROR(Status)) {\n        Print(L&quot;faile: locate file system protocol\\n&quot;);\n        return Status;\n    }\n\n    Status = FileSystem-&gt;OpenVolume(FileSystem, &Root);\n    if (EFI_ERROR(Status)) {\n        Print(L&quot;faile: open root directory\\n&quot;);\n        return Status;\n    }\n\n    CHAR16 *WriteData = L&quot;Hello file system\\n&quot;;\n\n    Status = WriteFile(Root, FileName, WriteData);\n    if (EFI_ERROR(Status)) {\n        Root-&gt;Close(Root);\n        return Status;\n    }\n\n    \/\/ read\n    CHAR16 buf[128];\n    UINTN ReadSize = sizeof(buf);\n    Status = ReadFile(Root, FileName, buf, ReadSize, &ReadSize);\n    if (EFI_ERROR(Status)) {\n        Root-&gt;Close(Root);\n        return Status;\n    }\n\n    Print(L&quot;Read from file: %s\\n&quot;,  buf);\n\n    Root-&gt;Close(Root);\n\n    return EFI_SUCCESS;\n}\n<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Hello4Pkg.dec \u30d5\u30a1\u30a4\u30eb\u306f\u307b\u3068\u3093\u3069\u5909\u308f\u3089\u306a\u3044\u3002PACKAGE_NAME \u306f\u4f55\u3067\u3082\u3044\u3044\u306e\u3067\u3059\u304c\u3001\u6df7\u4e71\u3057\u306a\u3044\u3088\u3046\u306b Hello4Pkg \u306b\u63c3\u3048\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\" data-file=\"Hello4Pkg.des\"><code>[Defines]\nDEC_SPECIFICATION   = 0x00010005\nPACKAGE_NAME        = Hello4Pkg\nPACKAGE_GUID        = 08F29A4C-BB2E-4417-B8E9-3854083B9CC0\nPACKAGE_VERSION     = 0.0.1\n\n[Includes]\n\n[Guids]\n\n[Protocols]\n\n[PcdsFixedAtBuild]\n<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Hello4Pkg.ds\uff43 \u3082 Hello4Pkg \u306b\u5909\u3048\u308b\u4ee5\u5916\u306f\u5909\u66f4\u306a\u3057\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\" data-file=\"Hello4Pkg.d\uff53\uff43\"><code>[Defines]\nPLATFORM_NAME           = Hello4Pkg\nPLATFORM_GUID           = 43B8BF63-3328-4A67-83C5-57EA4FAF43DA\nPLATFORM_VERSION        = 0.0.1\nDSC_SPECIFICATION       = 0x00010005\nOUTPUT_DIRECTORY        = Build\/Hello4Pkg\nSUPPORTED_ARCHITECTURES = X64\nBUILD_TARGETS           = DEBUG | RELEASE | NOOPT\nSKUID_IDENTIFIER        = DEFAULT\n\n[LibraryClasses]\nUefiApplicationEntryPoint|MdePkg\/Library\/UefiApplicationEntryPoint\/UefiApplicationEntryPoint.inf\nUefiLib|MdePkg\/Library\/UefiLib\/UefiLib.inf\n\n\nBaseLib|MdePkg\/Library\/BaseLib\/BaseLib.inf\nBaseMemoryLib|MdePkg\/Library\/BaseMemoryLib\/BaseMemoryLib.inf\nDebugLib|MdePkg\/Library\/BaseDebugLibNull\/BaseDebugLibNull.inf\nDevicePathLib|MdePkg\/Library\/UefiDevicePathLib\/UefiDevicePathLib.inf\nMemoryAllocationLib|MdePkg\/Library\/UefiMemoryAllocationLib\/UefiMemoryAllocationLib.inf\nPcdLib|MdePkg\/Library\/BasePcdLibNull\/BasePcdLibNull.inf\nPrintLib|MdePkg\/Library\/BasePrintLib\/BasePrintLib.inf\nRegisterFilterLib|MdePkg\/Library\/RegisterFilterLibNull\/RegisterFilterLibNull.inf\nUefiBootServicesTableLib|MdePkg\/Library\/UefiBootServicesTableLib\/UefiBootServicesTableLib.inf\nUefiRuntimeServicesTableLib|MdePkg\/Library\/UefiRuntimeServicesTableLib\/UefiRuntimeServicesTableLib.inf\n\n[Components]\nHello4Pkg\/Hello4.inf\n<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306b\u30d3\u30eb\u30c9\u3068\u5b9f\u884c<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>$ cd edk2\n$ build -p Hello4Pkg\/Hello4Pkg.dsc\n$ cd ..\n\n# \u30a4\u30e1\u30fc\u30b8\u306b\u30d5\u30a1\u30a4\u30eb\u30b3\u30d4\u30fc\n$ sudo mount -o loop,uid=$(id -u),gid=$(id -u) disk.img .\/mnt\n$ cp .\/edk2\/Build\/Hello4Pkg\/DEBUG_CLANGDWARF\/X64\/Hello4.efi .\/mnt\/EFI\/BOOT\n$ sudo umount .\/mnt\n\n# \u5b9f\u884c\n\uff04 qemu-system-x86_64 \\\n\t\t-drive if=pflash,format=raw,readonly=on,file=edk2\/Build\/OvmfX64\/DEBUG_GCC\/FV\/OVMF_CODE.fd \\\n\t\t-drive if=pflash,format=raw,file=edk2\/Build\/OvmfX64\/DEBUG_GCC\/FV\/OVMF_VARS.fd \\\n\t\t-drive format=raw,file=disk.img\n\n# qemu \u3067\u81ea\u52d5\u8d77\u52d5\u3057\u306a\u3044\u3068\u304d\n&gt; fs0:\\EFI\\BOOT\\hello4.efi<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u306b\u3057\u3066\u3082\u3001hello4.efi \u3092 BOOTX64.efi \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u30ea\u30cd\u30fc\u30e0\u3057\u3066\u3082\u81ea\u52d5\u8d77\u52d5\u3057\u306a\u3044\u306e\u306f\u306a\u305c\u306a\u3093\u3060\u308d\u3046\u3002\u307e\u3060\u307e\u3060\u8b0e\u306f\u591a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2025-2-12 \u8ffd\u8a18\uff1a<br> > BOOTX64.EFI \u304c\u6b63\u89e3\u3002\u30a4\u30e1\u30fc\u30b8\u30c7\u30a3\u30b9\u30af\u306f FAT32 \u306a\u306e\u3067\u4e00\u5ea6\u4f5c\u6210\u3057\u3066\u3057\u307e\u3063\u305f\u3042\u3068\u3067 UEFI\u30b7\u30a7\u30eb\u3067\u306f\u3001BOOTX64.efi \u304b\u3089BOOTX.EFI \u306b\u30ea\u30cd\u30fc\u30e0\u3067\u304d\u306a\u3044\u3002\uff08FAT \u306e\u4ed5\u69d8\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u5927\u6587\u5b57\/\u5c0f\u6587\u5b57\u306e\u533a\u5225\u306f\u306a\u3044\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306f\u30e1\u30e2\u30ea\u30de\u30c3\u30d7\u306e\u4f5c\u6210\u306b\u304b\u304b\u308b\u3002\u30ab\u30fc\u30cd\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u307e\u3067\u306b\u306f\u307e\u3060\u9053\u306e\u308a\u304c\u9060\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u56de\u3001edk2 \u306e\u30d5\u30a1\u30a4\u30eb\u5165\u51fa\u529b\u3092\u3084\u3063\u305f\u304c\u3061\u3087\u3063\u3068\u898b\u3065\u3089\u3044\u306e\u3067\u66f8\u304d\u8fbc\u307f\u3068\u8aad\u307f\u8fbc\u307f\u3092\u5225\u95a2\u6570\u306b\u5207\u308a\u51fa\u3059\u3053\u3068\u306b\u3057\u305f\u3002 Hello4Pkg \u3068\u3044\u3046\u5225\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u3057\u3066\u3084\u3063\u3066\u307f\u308b\u3002 \u30d5\u30a1\u30a4\u30eb\u69cb\u6210 Hello4.c \u306f\u3053\u3093\u306a\u611f\u3058\u3002\u30cf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":1,"footnotes":""},"categories":[9],"tags":[10],"class_list":["post-887","post","type-post","status-publish","format-standard","hentry","category-dev","tag-mikan"],"_links":{"self":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/posts\/887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=887"}],"version-history":[{"count":0,"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/posts\/887\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}