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kernel/linux-rt-4.4.41/arch/x86/include/asm/e820.h 2.13 KB
5113f6f70   김현기   kernel add
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  #ifndef _ASM_X86_E820_H
  #define _ASM_X86_E820_H
  
  #ifdef CONFIG_EFI
  #include <linux/numa.h>
  #define E820_X_MAX (E820MAX + 3 * MAX_NUMNODES)
  #else	/* ! CONFIG_EFI */
  #define E820_X_MAX E820MAX
  #endif
  #include <uapi/asm/e820.h>
  #ifndef __ASSEMBLY__
  /* see comment in arch/x86/kernel/e820.c */
  extern struct e820map e820;
  extern struct e820map e820_saved;
  
  extern unsigned long pci_mem_start;
  extern int e820_any_mapped(u64 start, u64 end, unsigned type);
  extern int e820_all_mapped(u64 start, u64 end, unsigned type);
  extern void e820_add_region(u64 start, u64 size, int type);
  extern void e820_print_map(char *who);
  extern int
  sanitize_e820_map(struct e820entry *biosmap, int max_nr_map, u32 *pnr_map);
  extern u64 e820_update_range(u64 start, u64 size, unsigned old_type,
  			       unsigned new_type);
  extern u64 e820_remove_range(u64 start, u64 size, unsigned old_type,
  			     int checktype);
  extern void update_e820(void);
  extern void e820_setup_gap(void);
  extern int e820_search_gap(unsigned long *gapstart, unsigned long *gapsize,
  			unsigned long start_addr, unsigned long long end_addr);
  struct setup_data;
  extern void parse_e820_ext(u64 phys_addr, u32 data_len);
  
  #if defined(CONFIG_X86_64) || \
  	(defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION))
  extern void e820_mark_nosave_regions(unsigned long limit_pfn);
  #else
  static inline void e820_mark_nosave_regions(unsigned long limit_pfn)
  {
  }
  #endif
  
  extern unsigned long e820_end_of_ram_pfn(void);
  extern unsigned long e820_end_of_low_ram_pfn(void);
  extern u64 early_reserve_e820(u64 sizet, u64 align);
  
  void memblock_x86_fill(void);
  void memblock_find_dma_reserve(void);
  
  extern void finish_e820_parsing(void);
  extern void e820_reserve_resources(void);
  extern void e820_reserve_resources_late(void);
  extern void setup_memory_map(void);
  extern char *default_machine_specific_memory_setup(void);
  
  /*
   * Returns true iff the specified range [s,e) is completely contained inside
   * the ISA region.
   */
  static inline bool is_ISA_range(u64 s, u64 e)
  {
  	return s >= ISA_START_ADDRESS && e <= ISA_END_ADDRESS;
  }
  
  #endif /* __ASSEMBLY__ */
  #include <linux/ioport.h>
  
  #define HIGH_MEMORY	(1024*1024)
  #endif /* _ASM_X86_E820_H */