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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_END (STUB_DATA + UM_KERN_PAGE_SIZE)
27
28#ifndef __ASSEMBLY__
29
30#include <sysdep/ptrace.h>
31
32struct cpu_task {
33 int pid;
34 void *task;
35};
36
37extern struct cpu_task cpu_tasks[];
38
39extern unsigned long high_physmem;
40extern unsigned long uml_physmem;
41extern unsigned long uml_reserved;
42extern unsigned long end_vm;
43extern unsigned long start_vm;
44extern unsigned long long highmem;
45
46extern unsigned long brk_start;
47
48extern unsigned long host_task_size;
49extern unsigned long stub_start;
50
51extern int linux_main(int argc, char **argv);
52extern void uml_finishsetup(void);
53
54struct siginfo;
55extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *);
56
57#endif
58
59#endif
1/*
2 * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3 * Licensed under the GPL
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
24#ifdef __ASSEMBLY__
25#define _UML_AC(X, Y) (Y)
26#else
27#define __UML_AC(X, Y) (X(Y))
28#define _UML_AC(X, Y) __UML_AC(X, Y)
29#endif
30
31#define STUB_START _UML_AC(, 0x100000)
32#define STUB_CODE _UML_AC((unsigned long), STUB_START)
33#define STUB_DATA _UML_AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
34#define STUB_END _UML_AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
35
36#ifndef __ASSEMBLY__
37
38#include <sysdep/ptrace.h>
39
40struct cpu_task {
41 int pid;
42 void *task;
43};
44
45extern struct cpu_task cpu_tasks[];
46
47extern unsigned long high_physmem;
48extern unsigned long uml_physmem;
49extern unsigned long uml_reserved;
50extern unsigned long end_vm;
51extern unsigned long start_vm;
52extern unsigned long long highmem;
53
54extern unsigned long brk_start;
55
56extern unsigned long host_task_size;
57
58extern int linux_main(int argc, char **argv);
59extern void uml_finishsetup(void);
60
61struct siginfo;
62extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *);
63
64#endif
65
66#endif