X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-x86%2Fe820.h;h=33e793e991d0caebe8b3fecc8104b0d4246942fd;hb=a3da5bf84a97d48cfaf66c6842470fc403da5121;hp=a5959e3a5626b6bf2372be6a6b8cd3eeedc6a8ee;hpb=ab4a465e96adf2f3a8aaa95384bacfa9ab661e35;p=pandora-kernel.git diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h index a5959e3a5626..33e793e991d0 100644 --- a/include/asm-x86/e820.h +++ b/include/asm-x86/e820.h @@ -44,6 +44,9 @@ #define E820_ACPI 3 #define E820_NVS 4 +/* reserved RAM used by kernel itself */ +#define E820_RESERVED_KERN 128 + #ifndef __ASSEMBLY__ struct e820entry { __u64 addr; /* start of memory segment */ @@ -56,19 +59,26 @@ struct e820map { struct e820entry map[E820_X_MAX]; }; +/* see comment in arch/x86/kernel/e820.c */ extern struct e820map e820; +extern struct e820map e820_saved; extern int e820_any_mapped(u64 start, u64 end, unsigned type); extern int e820_all_mapped(u64 start, u64 end, unsigned type); -extern void add_memory_region(u64 start, u64 size, int 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, int *pnr_map); -extern int copy_e820_map(struct e820entry *biosmap, int nr_map); -extern u64 update_memory_range(u64 start, u64 size, unsigned old_type, +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(struct setup_data *data, unsigned long pa_data); #if defined(CONFIG_X86_64) || \ (defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION)) @@ -84,12 +94,13 @@ extern unsigned long end_user_pfn; extern u64 find_e820_area(u64 start, u64 end, u64 size, u64 align); extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align); extern void reserve_early(u64 start, u64 end, char *name); +extern void reserve_early_overlap_ok(u64 start, u64 end, char *name); extern void free_early(u64 start, u64 end); extern void early_res_to_bootmem(u64 start, u64 end); -extern int page_is_reserved_early(unsigned long pagenr); extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align); -extern unsigned long e820_end_of_ram(void); +extern unsigned long e820_end_of_ram_pfn(void); +extern unsigned long e820_end_of_low_ram_pfn(void); extern int e820_find_active_region(const struct e820entry *ei, unsigned long start_pfn, unsigned long last_pfn, @@ -99,21 +110,25 @@ extern void e820_register_active_regions(int nid, unsigned long start_pfn, unsigned long end_pfn); extern u64 e820_hole_size(u64 start, u64 end); extern void finish_e820_parsing(void); +extern void e820_reserve_resources(void); +extern void setup_memory_map(void); +extern char *default_machine_specific_memory_setup(void); +extern char *machine_specific_memory_setup(void); +extern char *memory_setup(void); #endif /* __ASSEMBLY__ */ #define ISA_START_ADDRESS 0xa0000 #define ISA_END_ADDRESS 0x100000 +#define is_ISA_range(s, e) ((s) >= ISA_START_ADDRESS && (e) < ISA_END_ADDRESS) #define BIOS_BEGIN 0x000a0000 #define BIOS_END 0x00100000 #ifdef __KERNEL__ -#ifdef CONFIG_X86_32 -# include "e820_32.h" -#else -# include "e820_64.h" -#endif +#include + +#define HIGH_MEMORY (1024*1024) #endif /* __KERNEL__ */ #endif /* __ASM_E820_H */