file_load.c (c95baf12f5077419db01313ab61c2aac007d40cd) file_load.c (19031275a5881233b4fc31b7dee68bf0b0758bbc)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * ppc64 code to implement the kexec_file_load syscall
3 * powerpc code to implement the kexec_file_load syscall
4 *
5 * Copyright (C) 2004 Adam Litke (agl@us.ibm.com)
6 * Copyright (C) 2004 IBM Corp.
7 * Copyright (C) 2004,2005 Milton D Miller II, IBM Corporation
8 * Copyright (C) 2005 R Sharada (sharada@in.ibm.com)
9 * Copyright (C) 2006 Mohan Kumar M (mohan@in.ibm.com)
10 * Copyright (C) 2016 IBM Corporation
11 *
12 * Based on kexec-tools' kexec-elf-ppc64.c, fs2dt.c.
13 * Heavily modified for the kernel by
14 * Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>.
15 */
16
17#include <linux/slab.h>
18#include <linux/kexec.h>
19#include <linux/of_fdt.h>
20#include <linux/libfdt.h>
21#include <asm/ima.h>
22
4 *
5 * Copyright (C) 2004 Adam Litke (agl@us.ibm.com)
6 * Copyright (C) 2004 IBM Corp.
7 * Copyright (C) 2004,2005 Milton D Miller II, IBM Corporation
8 * Copyright (C) 2005 R Sharada (sharada@in.ibm.com)
9 * Copyright (C) 2006 Mohan Kumar M (mohan@in.ibm.com)
10 * Copyright (C) 2016 IBM Corporation
11 *
12 * Based on kexec-tools' kexec-elf-ppc64.c, fs2dt.c.
13 * Heavily modified for the kernel by
14 * Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>.
15 */
16
17#include <linux/slab.h>
18#include <linux/kexec.h>
19#include <linux/of_fdt.h>
20#include <linux/libfdt.h>
21#include <asm/ima.h>
22
23#define SLAVE_CODE_SIZE 256
23#define SLAVE_CODE_SIZE 256 /* First 0x100 bytes */
24
24
25const struct kexec_file_ops * const kexec_file_loaders[] = {
26 &kexec_elf64_ops,
27 NULL
28};
29
30int arch_kexec_kernel_image_probe(struct kimage *image, void *buf,
31 unsigned long buf_len)
32{
33 /* We don't support crash kernels yet. */
34 if (image->type == KEXEC_TYPE_CRASH)
35 return -EOPNOTSUPP;
36
37 return kexec_image_probe_default(image, buf, buf_len);
38}
39
40/**
41 * setup_purgatory - initialize the purgatory's global variables
42 * @image: kexec image.
43 * @slave_code: Slave code for the purgatory.
44 * @fdt: Flattened device tree for the next kernel.
45 * @kernel_load_addr: Address where the kernel is loaded.
46 * @fdt_load_addr: Address where the flattened device tree is loaded.
47 *

--- 207 unchanged lines hidden --- 		25/**
26 * setup_purgatory - initialize the purgatory's global variables
27 * @image: kexec image.
28 * @slave_code: Slave code for the purgatory.
29 * @fdt: Flattened device tree for the next kernel.
30 * @kernel_load_addr: Address where the kernel is loaded.
31 * @fdt_load_addr: Address where the flattened device tree is loaded.
32 *

--- 207 unchanged lines hidden ---