| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Author: Yun Liu <liuyun@loongson.cn> |
| * Huacai Chen <chenhuacai@loongson.cn> |
| * Copyright (C) 2020-2022 Loongson Technology Corporation Limited |
| */ |
| |
| #include <asm/efi.h> |
| #include <asm/addrspace.h> |
| #include "efistub.h" |
| #include "loongarch-stub.h" |
| |
| extern int kernel_asize; |
| extern int kernel_fsize; |
| extern int kernel_entry; |
| |
| efi_status_t handle_kernel_image(unsigned long *image_addr, |
| unsigned long *image_size, |
| unsigned long *reserve_addr, |
| unsigned long *reserve_size, |
| efi_loaded_image_t *image, |
| efi_handle_t image_handle) |
| { |
| efi_status_t status; |
| unsigned long kernel_addr = 0; |
| |
| kernel_addr = (unsigned long)image->image_base; |
| |
| status = efi_relocate_kernel(&kernel_addr, kernel_fsize, kernel_asize, |
| EFI_KIMG_PREFERRED_ADDRESS, efi_get_kimg_min_align(), 0x0); |
| |
| *image_addr = kernel_addr; |
| *image_size = kernel_asize; |
| |
| return status; |
| } |
| |
| unsigned long kernel_entry_address(unsigned long kernel_addr, |
| efi_loaded_image_t *image) |
| { |
| unsigned long base = (unsigned long)image->image_base; |
| |
| return (unsigned long)&kernel_entry - base + kernel_addr; |
| } |
