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kernel/linux-rt-4.4.41/arch/x86/boot/compressed/misc.h 2.35 KB
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  #ifndef BOOT_COMPRESSED_MISC_H
  #define BOOT_COMPRESSED_MISC_H
  
  /*
   * Special hack: we have to be careful, because no indirections are allowed here,
   * and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
   * we just keep it from happening. (This list needs to be extended when new
   * paravirt and debugging variants are added.)
   */
  #undef CONFIG_PARAVIRT
  #undef CONFIG_PARAVIRT_SPINLOCKS
  #undef CONFIG_KASAN
  
  #include <linux/linkage.h>
  #include <linux/screen_info.h>
  #include <linux/elf.h>
  #include <linux/io.h>
  #include <asm/page.h>
  #include <asm/boot.h>
  #include <asm/bootparam.h>
  #include <asm/bootparam_utils.h>
  
  #define BOOT_BOOT_H
  #include "../ctype.h"
  
  #ifdef CONFIG_X86_64
  #define memptr long
  #else
  #define memptr unsigned
  #endif
  
  /* misc.c */
  extern memptr free_mem_ptr;
  extern memptr free_mem_end_ptr;
  extern struct boot_params *real_mode;		/* Pointer to real-mode data */
  void __putstr(const char *s);
  void __puthex(unsigned long value);
  #define error_putstr(__x)  __putstr(__x)
  #define error_puthex(__x)  __puthex(__x)
  
  #ifdef CONFIG_X86_VERBOSE_BOOTUP
  
  #define debug_putstr(__x)  __putstr(__x)
  #define debug_puthex(__x)  __puthex(__x)
  #define debug_putaddr(__x) { \
  		debug_putstr(#__x ": 0x"); \
  		debug_puthex((unsigned long)(__x)); \
  		debug_putstr("
  "); \
  	}
  
  #else
  
  static inline void debug_putstr(const char *s)
  { }
  static inline void debug_puthex(const char *s)
  { }
  #define debug_putaddr(x) /* */
  
  #endif
  
  #if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
  /* cmdline.c */
  int cmdline_find_option(const char *option, char *buffer, int bufsize);
  int cmdline_find_option_bool(const char *option);
  #endif
  
  
  #if CONFIG_RANDOMIZE_BASE
  /* aslr.c */
  unsigned char *choose_kernel_location(struct boot_params *boot_params,
  				      unsigned char *input,
  				      unsigned long input_size,
  				      unsigned char *output,
  				      unsigned long output_size);
  /* cpuflags.c */
  bool has_cpuflag(int flag);
  #else
  static inline
  unsigned char *choose_kernel_location(struct boot_params *boot_params,
  				      unsigned char *input,
  				      unsigned long input_size,
  				      unsigned char *output,
  				      unsigned long output_size)
  {
  	return output;
  }
  #endif
  
  #ifdef CONFIG_EARLY_PRINTK
  /* early_serial_console.c */
  extern int early_serial_base;
  void console_init(void);
  #else
  static const int early_serial_base;
  static inline void console_init(void)
  { }
  #endif
  
  #endif