diff options
Diffstat (limited to 'Lesson_29/UefiLessonsPkg/AcpiInfo')
| -rw-r--r-- | Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.c | 106 | ||||
| -rw-r--r-- | Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.inf | 24 |
2 files changed, 0 insertions, 130 deletions
diff --git a/Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.c b/Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.c deleted file mode 100644 index 0511f59..0000000 --- a/Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.c +++ /dev/null @@ -1,106 +0,0 @@ -#include <Library/UefiBootServicesTableLib.h> -#include <Library/UefiLib.h> - -#include <Library/BaseMemoryLib.h> -#include <Protocol/Shell.h> - -EFI_STATUS -EFIAPI -UefiMain ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -{ - EFI_SHELL_PROTOCOL* ShellProtocol; - EFI_STATUS Status = gBS->LocateProtocol( - &gEfiShellProtocolGuid, - NULL, - (VOID **)&ShellProtocol - ); - - if (EFI_ERROR(Status)) { - Print(L"Can't open EFI_SHELL_PROTOCOL: %r\n", Status); - return EFI_SUCCESS; - } - - EFI_ACPI_6_3_ROOT_SYSTEM_DESCRIPTION_POINTER* RSDP = NULL; - - for (UINTN i=0; i<SystemTable->NumberOfTableEntries; i++) { - if (CompareGuid(&(SystemTable->ConfigurationTable[i].VendorGuid), &gEfiAcpi20TableGuid)) { - Print(L"RSDP table is placed at %p\n\n", SystemTable->ConfigurationTable[i].VendorTable); - RSDP = SystemTable->ConfigurationTable[i].VendorTable; - } - } - - if (!RSDP) { - Print(L"No ACPI2.0 table was found in the system\n"); - return EFI_SUCCESS; - } - - if (((CHAR8)((RSDP->Signature >> 0) & 0xFF) != 'R') || - ((CHAR8)((RSDP->Signature >> 8) & 0xFF) != 'S') || - ((CHAR8)((RSDP->Signature >> 16) & 0xFF) != 'D') || - ((CHAR8)((RSDP->Signature >> 24) & 0xFF) != ' ') || - ((CHAR8)((RSDP->Signature >> 32) & 0xFF) != 'P') || - ((CHAR8)((RSDP->Signature >> 40) & 0xFF) != 'T') || - ((CHAR8)((RSDP->Signature >> 48) & 0xFF) != 'R') || - ((CHAR8)((RSDP->Signature >> 56) & 0xFF) != ' ')) { - Print(L"Error! RSDP signature is not valid!\n"); - return EFI_SUCCESS; - } - - Print(L"System description tables:\n"); - Print(L"\tRSDT table is placed at address %p\n", RSDP->RsdtAddress); - Print(L"\tXSDT table is placed at address %p\n", RSDP->XsdtAddress); - Print(L"\n"); - - EFI_ACPI_DESCRIPTION_HEADER* XSDT = (EFI_ACPI_DESCRIPTION_HEADER*)RSDP->XsdtAddress; - if (((CHAR8)((XSDT->Signature >> 0) & 0xFF) != 'X') || - ((CHAR8)((XSDT->Signature >> 8) & 0xFF) != 'S') || - ((CHAR8)((XSDT->Signature >> 16) & 0xFF) != 'D') || - ((CHAR8)((XSDT->Signature >> 24) & 0xFF) != 'T')) { - Print(L"Error! XSDT signature is not valid!\n"); - return EFI_SUCCESS; - } - - Print(L"Main ACPI tables:\n"); - UINT64 offset = sizeof(EFI_ACPI_DESCRIPTION_HEADER); - while (offset < XSDT->Length) { - UINT64* table_address = (UINT64*)((UINT8*)XSDT + offset); - EFI_ACPI_6_3_COMMON_HEADER* table = (EFI_ACPI_6_3_COMMON_HEADER*)(*table_address); - CHAR16 TableName[5]; - TableName[0] = (CHAR16)((table->Signature>> 0)&0xFF); - TableName[1] = (CHAR16)((table->Signature>> 8)&0xFF); - TableName[2] = (CHAR16)((table->Signature>>16)&0xFF); - TableName[3] = (CHAR16)((table->Signature>>24)&0xFF); - TableName[4] = 0; - - Print(L"\t%s table is placed at address %p with length 0x%x\n", - TableName, - table, - table->Length); - CHAR16 FileName[9] = {0}; - StrCpyS(FileName, 9, TableName); - StrCatS(FileName, 9, L".aml"); - SHELL_FILE_HANDLE FileHandle; - Status = ShellProtocol->OpenFileByName(FileName, - &FileHandle, - EFI_FILE_MODE_CREATE | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ); - if (!EFI_ERROR(Status)) { - UINTN size = table->Length; - Status = ShellProtocol->WriteFile(FileHandle, &size, (VOID*)table); - if (EFI_ERROR(Status)) { - Print(L"Error in WriteFile: %r\n", Status); - } - Status = ShellProtocol->CloseFile(FileHandle); - if (EFI_ERROR(Status)) { - Print(L"Error in CloseFile: %r\n", Status); - } - } else { - Print(L"Error in OpenFileByName: %r\n", Status); - } - offset += sizeof(UINT64); - } - - return EFI_SUCCESS; -} diff --git a/Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.inf b/Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.inf deleted file mode 100644 index 53d0356..0000000 --- a/Lesson_29/UefiLessonsPkg/AcpiInfo/AcpiInfo.inf +++ /dev/null @@ -1,24 +0,0 @@ -[Defines] - INF_VERSION = 1.25 - BASE_NAME = AcpiInfo - FILE_GUID = 18998798-69a2-4ab5-9ffc-a8ee2494b029 - MODULE_TYPE = UEFI_APPLICATION - VERSION_STRING = 1.0 - ENTRY_POINT = UefiMain - -[Sources] - AcpiInfo.c - -[Packages] - MdePkg/MdePkg.dec - -[LibraryClasses] - UefiApplicationEntryPoint - UefiLib - -[Guids] - gEfiAcpi20TableGuid - -[Protocols] - gEfiShellProtocolGuid - |