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