96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
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#include <efi.h>
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#include <efilib.h>
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EFI_STATUS
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efi_main(
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EFI_HANDLE image_handle,
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EFI_SYSTEM_TABLE *systab
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)
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{
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EFI_GUID loaded_image_protocol = LOADED_IMAGE_PROTOCOL;
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EFI_STATUS efi_status;
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EFI_LOADED_IMAGE *li;
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UINTN pat = PoolAllocationType;
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VOID *void_li_p;
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InitializeLib(image_handle, systab);
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PoolAllocationType = 2; /* klooj */
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Print(L"Hello World! (0xd=0x%x, 13=%d)\n", 13, 13);
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Print(L"before InitializeLib(): PoolAllocationType=%d\n",
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pat);
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Print(L" after InitializeLib(): PoolAllocationType=%d\n",
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PoolAllocationType);
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/*
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* Locate loaded_image_handle instance.
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*/
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Print(L"BS->HandleProtocol() ");
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efi_status = uefi_call_wrapper(
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BS->HandleProtocol,
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3,
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image_handle,
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&loaded_image_protocol,
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&void_li_p);
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li = void_li_p;
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Print(L"%xh (%r)\n", efi_status, efi_status);
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if (efi_status != EFI_SUCCESS) {
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return efi_status;
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}
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Print(L" li: %xh\n", li);
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if (!li) {
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return EFI_UNSUPPORTED;
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}
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Print(L" li->Revision: %xh\n", li->Revision);
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Print(L" li->ParentHandle: %xh\n", li->ParentHandle);
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Print(L" li->SystemTable: %xh\n", li->SystemTable);
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Print(L" li->DeviceHandle: %xh\n", li->DeviceHandle);
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Print(L" li->FilePath: %xh\n", li->FilePath);
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Print(L" li->Reserved: %xh\n", li->Reserved);
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Print(L" li->LoadOptionsSize: %xh\n", li->LoadOptionsSize);
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Print(L" li->LoadOptions: %xh\n", li->LoadOptions);
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Print(L" li->ImageBase: %xh\n", li->ImageBase);
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Print(L" li->ImageSize: %xh\n", li->ImageSize);
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Print(L" li->ImageCodeType: %xh\n", li->ImageCodeType);
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Print(L" li->ImageDataType: %xh\n", li->ImageDataType);
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Print(L" li->Unload: %xh\n", li->Unload);
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#if 0
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typedef struct {
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UINT32 Revision;
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EFI_HANDLE ParentHandle;
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struct _EFI_SYSTEM_TABLE *SystemTable;
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// Source location of image
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EFI_HANDLE DeviceHandle;
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EFI_DEVICE_PATH *FilePath;
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VOID *Reserved;
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// Images load options
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UINT32 LoadOptionsSize;
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VOID *LoadOptions;
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// Location of where image was loaded
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VOID *ImageBase;
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UINT64 ImageSize;
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EFI_MEMORY_TYPE ImageCodeType;
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EFI_MEMORY_TYPE ImageDataType;
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// If the driver image supports a dynamic unload request
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EFI_IMAGE_UNLOAD Unload;
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} EFI_LOADED_IMAGE;
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#endif
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return EFI_SUCCESS;
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}
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