1#ifndef BOOT_COMPRESSED_MISC_H
 2#define BOOT_COMPRESSED_MISC_H
 3
 4/*
 5 * we have to be careful, because no indirections are allowed here, and
 6 * paravirt_ops is a kind of one. As it will only run in baremetal anyway,
 7 * we just keep it from happening
 
 8 */
 9#undef CONFIG_PARAVIRT
10#ifdef CONFIG_X86_32
11#define _ASM_X86_DESC_H 1
 
 
 
 
12#endif
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 *real_mode;		/* Pointer to real-mode data */
36void __putstr(const char *s);
 
37#define error_putstr(__x)  __putstr(__x)
 
38
39#ifdef CONFIG_X86_VERBOSE_BOOTUP
40
41#define debug_putstr(__x)  __putstr(__x)
 
 
 
 
 
 
42
43#else
44
45static inline void debug_putstr(const char *s)
46{ }
 
 
 
47
48#endif
49
50#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
51/* cmdline.c */
52int cmdline_find_option(const char *option, char *buffer, int bufsize);
53int cmdline_find_option_bool(const char *option);
54#endif
55
56
57#if CONFIG_RANDOMIZE_BASE
58/* aslr.c */
59unsigned char *choose_kernel_location(unsigned char *input,
60				      unsigned long input_size,
61				      unsigned char *output,
62				      unsigned long output_size);
 
63/* cpuflags.c */
64bool has_cpuflag(int flag);
65#else
66static inline
67unsigned char *choose_kernel_location(unsigned char *input,
68				      unsigned long input_size,
69				      unsigned char *output,
70				      unsigned long output_size)
71{
72	return output;
73}
74#endif
75
 
 
 
 
 
 
 
 
 
 
 
 
 
 
76#ifdef CONFIG_EARLY_PRINTK
77/* early_serial_console.c */
78extern int early_serial_base;
79void console_init(void);
80#else
81static const int early_serial_base;
82static inline void console_init(void)
83{ }
84#endif
 
 
85
86#endif

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef BOOT_COMPRESSED_MISC_H
  3#define BOOT_COMPRESSED_MISC_H
  4
  5/*
  6 * Special hack: we have to be careful, because no indirections are allowed here,
  7 * and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
  8 * we just keep it from happening. (This list needs to be extended when new
  9 * paravirt and debugging variants are added.)
 10 */
 11#undef CONFIG_PARAVIRT
 12#undef CONFIG_PARAVIRT_SPINLOCKS
 13#undef CONFIG_KASAN
 14
 15#ifdef CONFIG_X86_5LEVEL
 16/* cpu_feature_enabled() cannot be used that early */
 17#define pgtable_l5_enabled __pgtable_l5_enabled
 18#endif
 19
 20#include <linux/linkage.h>
 21#include <linux/screen_info.h>
 22#include <linux/elf.h>
 23#include <linux/io.h>
 24#include <asm/page.h>
 25#include <asm/boot.h>
 26#include <asm/bootparam.h>
 27#include <asm/bootparam_utils.h>
 28
 29#define BOOT_BOOT_H
 30#include "../ctype.h"
 31
 32#ifdef CONFIG_X86_64
 33#define memptr long
 34#else
 35#define memptr unsigned
 36#endif
 37
 38/* misc.c */
 39extern memptr free_mem_ptr;
 40extern memptr free_mem_end_ptr;
 41extern struct boot_params *boot_params;
 42void __putstr(const char *s);
 43void __puthex(unsigned long value);
 44#define error_putstr(__x)  __putstr(__x)
 45#define error_puthex(__x)  __puthex(__x)
 46
 47#ifdef CONFIG_X86_VERBOSE_BOOTUP
 48
 49#define debug_putstr(__x)  __putstr(__x)
 50#define debug_puthex(__x)  __puthex(__x)
 51#define debug_putaddr(__x) { \
 52		debug_putstr(#__x ": 0x"); \
 53		debug_puthex((unsigned long)(__x)); \
 54		debug_putstr("\n"); \
 55	}
 56
 57#else
 58
 59static inline void debug_putstr(const char *s)
 60{ }
 61static inline void debug_puthex(const char *s)
 62{ }
 63#define debug_putaddr(x) /* */
 64
 65#endif
 66
 67#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
 68/* cmdline.c */
 69int cmdline_find_option(const char *option, char *buffer, int bufsize);
 70int cmdline_find_option_bool(const char *option);
 71#endif
 72
 73
 74#if CONFIG_RANDOMIZE_BASE
 75/* kaslr.c */
 76void choose_random_location(unsigned long input,
 77			    unsigned long input_size,
 78			    unsigned long *output,
 79			    unsigned long output_size,
 80			    unsigned long *virt_addr);
 81/* cpuflags.c */
 82bool has_cpuflag(int flag);
 83#else
 84static inline void choose_random_location(unsigned long input,
 85					  unsigned long input_size,
 86					  unsigned long *output,
 87					  unsigned long output_size,
 88					  unsigned long *virt_addr)
 89{
 
 90}
 91#endif
 92
 93#ifdef CONFIG_X86_64
 94void initialize_identity_maps(void);
 95void add_identity_map(unsigned long start, unsigned long size);
 96void finalize_identity_maps(void);
 97extern unsigned char _pgtable[];
 98#else
 99static inline void initialize_identity_maps(void)
100{ }
101static inline void add_identity_map(unsigned long start, unsigned long size)
102{ }
103static inline void finalize_identity_maps(void)
104{ }
105#endif
106
107#ifdef CONFIG_EARLY_PRINTK
108/* early_serial_console.c */
109extern int early_serial_base;
110void console_init(void);
111#else
112static const int early_serial_base;
113static inline void console_init(void)
114{ }
115#endif
116
117void set_sev_encryption_mask(void);
118
119#endif