1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4 */
5
6#ifndef __START_H__
7#define __START_H__
8
9#include <generated/asm-offsets.h>
10
11/*
12 * Stolen from linux/const.h, which can't be directly included since
13 * this is used in userspace code, which has no access to the kernel
14 * headers.  Changed to be suitable for adding casts to the start,
15 * rather than "UL" to the end.
16 */
17
18/* Some constant macros are used in both assembler and
19 * C code.  Therefore we cannot annotate them always with
20 * 'UL' and other type specifiers unilaterally.  We
21 * use the following macros to deal with this.
22 */
23#define STUB_START stub_start
24#define STUB_CODE STUB_START
25#define STUB_DATA (STUB_CODE + UM_KERN_PAGE_SIZE)
26#define STUB_DATA_PAGES 1 /* must be a power of two */
27#define STUB_END (STUB_DATA + STUB_DATA_PAGES * UM_KERN_PAGE_SIZE)
28
29#ifndef __ASSEMBLY__
30
31#include <sysdep/ptrace.h>
32
33struct cpu_task {
34	int pid;
35	void *task;
36};
37
38extern struct cpu_task cpu_tasks[];
39
40extern unsigned long high_physmem;
41extern unsigned long uml_physmem;
42extern unsigned long uml_reserved;
43extern unsigned long end_vm;
44extern unsigned long start_vm;
45extern unsigned long long highmem;
46
47extern unsigned long brk_start;
48
49extern unsigned long host_task_size;
50extern unsigned long stub_start;
51
52extern int linux_main(int argc, char **argv);
53extern void uml_finishsetup(void);
54
55struct siginfo;
56extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *);
57
58#endif
59
60#endif
61