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1// SPDX-License-Identifier: GPL-2.02/*3 * Author: Yun Liu <liuyun@loongson.cn>4 * Huacai Chen <chenhuacai@loongson.cn>5 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited6 */7 8#include <asm/efi.h>9#include <asm/addrspace.h>10#include "efistub.h"11#include "loongarch-stub.h"12 13extern int kernel_asize;14extern int kernel_fsize;15extern int kernel_entry;16 17efi_status_t handle_kernel_image(unsigned long *image_addr,18 unsigned long *image_size,19 unsigned long *reserve_addr,20 unsigned long *reserve_size,21 efi_loaded_image_t *image,22 efi_handle_t image_handle)23{24 efi_status_t status;25 unsigned long kernel_addr = 0;26 27 kernel_addr = (unsigned long)image->image_base;28 29 status = efi_relocate_kernel(&kernel_addr, kernel_fsize, kernel_asize,30 EFI_KIMG_PREFERRED_ADDRESS, efi_get_kimg_min_align(), 0x0);31 32 *image_addr = kernel_addr;33 *image_size = kernel_asize;34 35 return status;36}37 38unsigned long kernel_entry_address(unsigned long kernel_addr,39 efi_loaded_image_t *image)40{41 unsigned long base = (unsigned long)image->image_base;42 43 return (unsigned long)&kernel_entry - base + kernel_addr;44}45