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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