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1#ifndef BOOT_COMPRESSED_MISC_H
2#define BOOT_COMPRESSED_MISC_H
3
4/*
5 * Special hack: we have to be careful, because no indirections are allowed here,
6 * and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
7 * we just keep it from happening. (This list needs to be extended when new
8 * paravirt and debugging variants are added.)
9 */
10#undef CONFIG_PARAVIRT
11#undef CONFIG_PARAVIRT_SPINLOCKS
12#undef CONFIG_KASAN
13
14#include <linux/linkage.h>
15#include <linux/screen_info.h>
16#include <linux/elf.h>
17#include <linux/io.h>
18#include <asm/page.h>
19#include <asm/boot.h>
20#include <asm/bootparam.h>
21#include <asm/bootparam_utils.h>
22
23#define BOOT_BOOT_H
24#include "../ctype.h"
25
26#ifdef CONFIG_X86_64
27#define memptr long
28#else
29#define memptr unsigned
30#endif
31
32/* misc.c */
33extern memptr free_mem_ptr;
34extern memptr free_mem_end_ptr;
35extern struct boot_params *boot_params;
36void __putstr(const char *s);
37void __puthex(unsigned long value);
38#define error_putstr(__x) __putstr(__x)
39#define error_puthex(__x) __puthex(__x)
40
41#ifdef CONFIG_X86_VERBOSE_BOOTUP
42
43#define debug_putstr(__x) __putstr(__x)
44#define debug_puthex(__x) __puthex(__x)
45#define debug_putaddr(__x) { \
46 debug_putstr(#__x ": 0x"); \
47 debug_puthex((unsigned long)(__x)); \
48 debug_putstr("\n"); \
49 }
50
51#else
52
53static inline void debug_putstr(const char *s)
54{ }
55static inline void debug_puthex(const char *s)
56{ }
57#define debug_putaddr(x) /* */
58
59#endif
60
61#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
62/* cmdline.c */
63int cmdline_find_option(const char *option, char *buffer, int bufsize);
64int cmdline_find_option_bool(const char *option);
65#endif
66
67
68#if CONFIG_RANDOMIZE_BASE
69/* kaslr.c */
70void choose_random_location(unsigned long input,
71 unsigned long input_size,
72 unsigned long *output,
73 unsigned long output_size,
74 unsigned long *virt_addr);
75/* cpuflags.c */
76bool has_cpuflag(int flag);
77#else
78static inline void choose_random_location(unsigned long input,
79 unsigned long input_size,
80 unsigned long *output,
81 unsigned long output_size,
82 unsigned long *virt_addr)
83{
84 /* No change from existing output location. */
85 *virt_addr = *output;
86}
87#endif
88
89#ifdef CONFIG_X86_64
90void initialize_identity_maps(void);
91void add_identity_map(unsigned long start, unsigned long size);
92void finalize_identity_maps(void);
93extern unsigned char _pgtable[];
94#else
95static inline void initialize_identity_maps(void)
96{ }
97static inline void add_identity_map(unsigned long start, unsigned long size)
98{ }
99static inline void finalize_identity_maps(void)
100{ }
101#endif
102
103#ifdef CONFIG_EARLY_PRINTK
104/* early_serial_console.c */
105extern int early_serial_base;
106void console_init(void);
107#else
108static const int early_serial_base;
109static inline void console_init(void)
110{ }
111#endif
112
113#endif