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-rw-r--r--Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.c268
-rw-r--r--Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.inf22
2 files changed, 0 insertions, 290 deletions
diff --git a/Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.c b/Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.c
deleted file mode 100644
index 055906c..0000000
--- a/Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.c
+++ /dev/null
@@ -1,268 +0,0 @@
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiLib.h>
-
-#include <Protocol/PciRootBridgeIo.h>
-#include <Library/MemoryAllocationLib.h>
-#include <IndustryStandard/Pci.h>
-#include <Library/ShellLib.h>
-#include <Library/PrintLib.h>
-
-
-#define DESCRIPTOR_STR_MAX_SIZE 200
-#define BLOCK_READ_SIZE (1024*4)
-
-VOID ToLowerASCII(CHAR8* Str, UINTN Size)
-{
- for (UINT8 i=0; i<Size; i++) {
- if ((Str[i]>='A')&&(Str[i]<='Z')) {
- Str[i]+=32;
- }
- }
-}
-
-EFI_STATUS FindPCIDevDescription(IN UINT16 VendorId,
- IN UINT16 DeviceId,
- OUT CHAR16* VendorDesc,
- OUT CHAR16* DeviceDesc,
- IN UINTN DescBufferSize)
-{
- BOOLEAN Vendor_found = FALSE;
- BOOLEAN Device_found = FALSE;
-
- EFI_STATUS Status = ShellFileExists(L"pci.ids");
- if (EFI_ERROR(Status))
- {
- Print(L"No file pci.ids: %r\n", Status);
- return Status;
- }
-
- SHELL_FILE_HANDLE FileHandle;
- Status = ShellOpenFileByName(L"pci.ids",
- &FileHandle,
- EFI_FILE_MODE_READ,
- 0);
- if (EFI_ERROR(Status))
- {
- Print(L"Can't open file pci.ids: %r\n", Status);
- return Status;
- }
-
- UINT64 FileSize;
- Status = ShellGetFileSize(FileHandle, &FileSize);
- if (EFI_ERROR(Status))
- {
- Print(L"Can't get file size for file pci.ids: %r\n", Status);
- goto end;
- }
-
- CHAR8 VendorStr[5];
- CHAR8 DeviceStr[5];
- AsciiValueToStringS(VendorStr,
- 5,
- RADIX_HEX | PREFIX_ZERO,
- VendorId,
- 4);
- AsciiValueToStringS(DeviceStr,
- 5,
- RADIX_HEX | PREFIX_ZERO,
- DeviceId,
- 4);
- ToLowerASCII(VendorStr, 4);
- ToLowerASCII(DeviceStr, 4);
-
- CHAR8 Buffer[BLOCK_READ_SIZE];
- UINTN Size;
- UINT64 FilePos = 0;
- while (TRUE)
- {
- Size = BLOCK_READ_SIZE;
- Status = ShellReadFile(FileHandle, &Size, Buffer);
- if (EFI_ERROR(Status))
- {
- Print(L"Can't read file pci.ids: %r\n", Status);
- goto end;
- }
- UINTN StrStart = 0;
- UINTN StrEnd = 0;
- for (UINTN i=0; i<Size; i++) {
- if (Buffer[i]=='\n') {
- StrEnd=i;
- if (!Vendor_found){
- // 0123456 7
- //\nVVVV |<desc>|\n
- if ((StrEnd - StrStart) > 7) {
- if ((Buffer[StrStart+1]==VendorStr[0]) &&
- (Buffer[StrStart+2]==VendorStr[1]) &&
- (Buffer[StrStart+3]==VendorStr[2]) &&
- (Buffer[StrStart+4]==VendorStr[3])) {
- Buffer[StrEnd] = 0;
- UnicodeSPrintAsciiFormat(VendorDesc, DescBufferSize, "%a", &Buffer[StrStart+1+4+2]);
- Vendor_found = TRUE;
- }
- }
- } else {
- // 0 1234567 8
- //\n\tDDDD |<desc>|\n
- if ((StrEnd - StrStart) > 8) {
- if ((Buffer[StrStart+1]=='\t') &&
- (Buffer[StrStart+2]==DeviceStr[0]) &&
- (Buffer[StrStart+3]==DeviceStr[1]) &&
- (Buffer[StrStart+4]==DeviceStr[2]) &&
- (Buffer[StrStart+5]==DeviceStr[3])) {
- Buffer[StrEnd] = 0;
- UnicodeSPrintAsciiFormat(DeviceDesc, DescBufferSize, "%a", &Buffer[StrStart+1+1+4+2]);
- Device_found = TRUE;
- goto end;
- }
- }
- }
- StrStart = StrEnd;
- }
- }
-
- if (FilePos+Size >= FileSize) {
- break;
- }
- FilePos += StrEnd;
- Status = ShellSetFilePosition(FileHandle, FilePos);
- if (EFI_ERROR(Status))
- {
- Print(L"Can't set file position pci.ids: %r\n", Status);
- goto end;
- }
- }
-
-end:
- if (!Vendor_found) {
- UnicodeSPrint(VendorDesc, DescBufferSize, L"Undefined");
- }
- if (!Device_found) {
- UnicodeSPrint(DeviceDesc, DescBufferSize, L"Undefined");
- }
- ShellCloseFile(&FileHandle);
-
- return Status;
-}
-
-
-UINT64 PciConfigurationAddress(UINT8 Bus,
- UINT8 Device,
- UINT8 Function,
- UINT32 Register)
-{
- UINT64 Address = (((UINT64)Bus) << 24) + (((UINT64)Device) << 16) + (((UINT64)Function) << 8);
- if (Register & 0xFFFFFF00) {
- Address += (((UINT64)Register) << 32);
- } else {
- Address += (((UINT64)Register) << 0);
- }
- return Address;
-}
-
-
-EFI_STATUS PrintRootBridge(EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL* PciRootBridgeIo)
-{
- EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR* AddressDescriptor;
- EFI_STATUS Status = PciRootBridgeIo->Configuration(
- PciRootBridgeIo,
- (VOID**)&AddressDescriptor
- );
- if (EFI_ERROR(Status)) {
- Print(L"\tError! Can't get EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR: %r\n", Status);
- return Status;
- }
- while (AddressDescriptor->Desc != ACPI_END_TAG_DESCRIPTOR) {
- if (AddressDescriptor->ResType == ACPI_ADDRESS_SPACE_TYPE_BUS) {
- for (UINT8 Bus = AddressDescriptor->AddrRangeMin; Bus <= AddressDescriptor->AddrRangeMax; Bus++) {
- for (UINT8 Device = 0; Device <= PCI_MAX_DEVICE; Device++) {
- for (UINT8 Func = 0; Func <= PCI_MAX_FUNC; Func++) {
- UINT64 Address = PciConfigurationAddress(Bus, Device, Func, 0);
- PCI_DEVICE_INDEPENDENT_REGION PCIConfHdr;
- Status = PciRootBridgeIo->Pci.Read(
- PciRootBridgeIo,
- EfiPciWidthUint8,
- Address,
- sizeof(PCI_DEVICE_INDEPENDENT_REGION),
- &PCIConfHdr
- );
- if (!EFI_ERROR(Status)) {
- if (PCIConfHdr.VendorId != 0xffff) {
- Print(L" %02x:%02x.%02x - Vendor:%04x, Device:%04x",
- Bus,
- Device,
- Func,
- PCIConfHdr.VendorId,
- PCIConfHdr.DeviceId);
-
- CHAR16 VendorDesc[DESCRIPTOR_STR_MAX_SIZE];
- CHAR16 DeviceDesc[DESCRIPTOR_STR_MAX_SIZE];
- Status = FindPCIDevDescription(PCIConfHdr.VendorId,
- PCIConfHdr.DeviceId,
- VendorDesc,
- DeviceDesc,
- DESCRIPTOR_STR_MAX_SIZE);
- if (!EFI_ERROR(Status)) {
- Print(L": %s, %s\n", VendorDesc, DeviceDesc);
- } else {
- Print(L"\n");
- }
- }
- } else {
- Print(L" Error in PCI read: %r\n", Status);
- }
- }
- }
- }
- }
- AddressDescriptor++;
- }
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-UefiMain (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- UINTN HandleCount;
- EFI_HANDLE *HandleBuffer;
- Status = gBS->LocateHandleBuffer(
- ByProtocol,
- &gEfiPciRootBridgeIoProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- if (EFI_ERROR (Status)) {
- Print(L"Can't locate EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL: %r\n", Status);
- return Status;
- }
-
- Print(L"Number of PCI root bridges in the system: %d\n", HandleCount);
- EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL* PciRootBridgeIo;
- for (UINTN Index = 0; Index < HandleCount; Index++) {
- Status = gBS->OpenProtocol (
- HandleBuffer[Index],
- &gEfiPciRootBridgeIoProtocolGuid,
- (VOID **)&PciRootBridgeIo,
- ImageHandle,
- NULL,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR(Status)) {
- Print(L"Can't open protocol: %r\n", Status);
- return Status;
- }
- Print(L"\nPCI Root Bridge %d\n", Index);
- Status = PrintRootBridge(PciRootBridgeIo);
- if (EFI_ERROR(Status)) {
- Print(L"Error in PCI Root Bridge printing\n");
- }
- }
- FreePool(HandleBuffer);
-
- return EFI_SUCCESS;
-}
diff --git a/Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.inf b/Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.inf
deleted file mode 100644
index 0080d75..0000000
--- a/Lesson_31/UefiLessonsPkg/ListPCI/ListPCI.inf
+++ /dev/null
@@ -1,22 +0,0 @@
-[Defines]
- INF_VERSION = 1.25
- BASE_NAME = ListPCI
- FILE_GUID = 07aceb78-97df-4e49-84a8-28997896e42a
- MODULE_TYPE = UEFI_APPLICATION
- VERSION_STRING = 1.0
- ENTRY_POINT = UefiMain
-
-[Sources]
- ListPCI.c
-
-[Packages]
- MdePkg/MdePkg.dec
- ShellPkg/ShellPkg.dec
-
-[LibraryClasses]
- UefiApplicationEntryPoint
- UefiLib
- ShellLib
-
-[Protocols]
- gEfiPciRootBridgeIoProtocolGuid
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-11-04 04:02:16 +0000