Remove unnecessary functions.

EmbeddedOS · EmbeddedOS · commit 10387a19e4a1 · 2024-10-06T09:23:19.000-07:00
diff --git a/file.c b/file.c
@@ -86,71 +86,3 @@ EFI_STATUS uefi_read_file(EFI_FILE_HANDLE file_handle,
 
   return status;
 }
-
-EFI_STATUS uefi_load_kernel_image(EFI_FILE_HANDLE volume,
-                                  CHAR16 *filename,
-                                  EFI_PHYSICAL_ADDRESS *kernel_entry_point)
-{
-  EFI_STATUS status = EFI_SUCCESS;
-  EFI_FILE_HANDLE file_handle;
-  UINT64 file_size = 0;
-  UINT8 *buffer = NULL;
-
-  /* 1. Open the file. */
-  status = uefi_open_file(volume, filename, &file_handle);
-  if (EFI_ERROR(status))
-  {
-    goto exit;
-  }
-
-  /* 2. Get kernel filesize. */
-  file_size = uefi_get_file_size(file_handle);
-  Print(L"Kernel file size: %d, page: %d\n",
-        file_size, EFI_SIZE_TO_PAGES(file_size));
-
-  /* 3. Allocate physical pages for kernel. */
-  status = uefi_call_wrapper(gBS->AllocatePages, 4,
-                             AllocateAddress, EfiLoaderCode,
-                             EFI_SIZE_TO_PAGES(file_size),
-                             kernel_entry_point);
-  if (EFI_ERROR(status))
-  {
-    Print(L"Failed to allocate pages for kernel: %d\n", status);
-    goto allocate_pages_failure;
-  }
-
-  /* 4. Allocate buffer to read kernel binary. */
-  buffer = AllocatePool(file_size);
-
-  /* 5. Read the kernel binary to buffer. */
-  status = uefi_read_file(file_handle, buffer, file_size);
-  if (EFI_ERROR(status))
-  {
-    Print(L"Failed to read kernel binary: %d\n", status);
-    goto uefi_read_file_failure;
-  }
-
-  /* 6. Copy from the buffer to kernel memory. */
-  status = uefi_call_wrapper(gBS->CopyMem, 3,
-                             kernel_entry_point, buffer, file_size);
-  if (EFI_ERROR(status))
-  {
-    Print(L"Failed to copy kernel binary: %d\n", status);
-    goto copy_mem_failure;
-  }
-
-  /* 7. Close the file. */
-  goto exit_success;
-
-copy_mem_failure:
-uefi_read_file_failure:
-  uefi_call_wrapper(gBS->FreePages, 2, kernel_entry_point,
-                    EFI_SIZE_TO_PAGES(file_size));
-exit_success:
-  FreePool(buffer);
-allocate_pages_failure:
-close_file:
-  uefi_close_file(file_handle);
-exit:
-  return status;
-}
diff --git a/file.h b/file.h
@@ -29,6 +29,3 @@ EFI_STATUS uefi_read_file(EFI_FILE_HANDLE file_handle,
                           UINT8 *buffer,
                           UINT64 size);
 
-EFI_STATUS uefi_load_kernel_image(EFI_FILE_HANDLE volume,
-                                  CHAR16 *filename,
-                                  EFI_PHYSICAL_ADDRESS *kernel_entry_point);
