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