| /* |
| * structures and definitions for the int 15, ax=e820 memory map |
| * scheme. |
| * |
| * In a nutshell, setup.S populates a scratch table in the |
| * empty_zero_block that contains a list of usable address/size |
| * duples. setup.c, this information is transferred into the e820map, |
| * and in init.c/numa.c, that new information is used to mark pages |
| * reserved or not. |
| */ |
| #ifndef __E820_HEADER |
| #define __E820_HEADER |
| |
| #ifndef __ASSEMBLY__ |
| extern unsigned long find_e820_area(unsigned long start, unsigned long end, |
| unsigned size); |
| extern void add_memory_region(unsigned long start, unsigned long size, |
| int type); |
| extern void setup_memory_region(void); |
| extern void contig_e820_setup(void); |
| extern unsigned long e820_end_of_ram(void); |
| extern void e820_reserve_resources(void); |
| extern void e820_mark_nosave_regions(void); |
| extern void e820_print_map(char *who); |
| extern int e820_any_mapped(unsigned long start, unsigned long end, unsigned type); |
| extern int e820_all_mapped(unsigned long start, unsigned long end, unsigned type); |
| extern unsigned long e820_hole_size(unsigned long start, unsigned long end); |
| |
| extern void e820_setup_gap(void); |
| extern void e820_register_active_regions(int nid, |
| unsigned long start_pfn, unsigned long end_pfn); |
| |
| extern void finish_e820_parsing(void); |
| |
| extern struct e820map e820; |
| |
| extern unsigned ebda_addr, ebda_size; |
| extern unsigned long nodemap_addr, nodemap_size; |
| #endif/*!__ASSEMBLY__*/ |
| |
| #endif/*__E820_HEADER*/ |
