diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/e820_32.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/e820_32.h')
-rw-r--r-- | include/asm-x86/e820_32.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/asm-x86/e820_32.h b/include/asm-x86/e820_32.h new file mode 100644 index 000000000000..cf67dbb1db79 --- /dev/null +++ b/include/asm-x86/e820_32.h | |||
@@ -0,0 +1,60 @@ | |||
1 | /* | ||
2 | * structures and definitions for the int 15, ax=e820 memory map | ||
3 | * scheme. | ||
4 | * | ||
5 | * In a nutshell, arch/i386/boot/setup.S populates a scratch table | ||
6 | * in the empty_zero_block that contains a list of usable address/size | ||
7 | * duples. In arch/i386/kernel/setup.c, this information is | ||
8 | * transferred into the e820map, and in arch/i386/mm/init.c, that | ||
9 | * new information is used to mark pages reserved or not. | ||
10 | * | ||
11 | */ | ||
12 | #ifndef __E820_HEADER | ||
13 | #define __E820_HEADER | ||
14 | |||
15 | #define E820MAP 0x2d0 /* our map */ | ||
16 | #define E820MAX 128 /* number of entries in E820MAP */ | ||
17 | #define E820NR 0x1e8 /* # entries in E820MAP */ | ||
18 | |||
19 | #define E820_RAM 1 | ||
20 | #define E820_RESERVED 2 | ||
21 | #define E820_ACPI 3 | ||
22 | #define E820_NVS 4 | ||
23 | |||
24 | #define HIGH_MEMORY (1024*1024) | ||
25 | |||
26 | #ifndef __ASSEMBLY__ | ||
27 | |||
28 | struct e820entry { | ||
29 | u64 addr; /* start of memory segment */ | ||
30 | u64 size; /* size of memory segment */ | ||
31 | u32 type; /* type of memory segment */ | ||
32 | } __attribute__((packed)); | ||
33 | |||
34 | struct e820map { | ||
35 | u32 nr_map; | ||
36 | struct e820entry map[E820MAX]; | ||
37 | }; | ||
38 | |||
39 | extern struct e820map e820; | ||
40 | |||
41 | extern int e820_all_mapped(unsigned long start, unsigned long end, | ||
42 | unsigned type); | ||
43 | extern int e820_any_mapped(u64 start, u64 end, unsigned type); | ||
44 | extern void find_max_pfn(void); | ||
45 | extern void register_bootmem_low_pages(unsigned long max_low_pfn); | ||
46 | extern void e820_register_memory(void); | ||
47 | extern void limit_regions(unsigned long long size); | ||
48 | extern void print_memory_map(char *who); | ||
49 | |||
50 | #if defined(CONFIG_PM) && defined(CONFIG_HIBERNATION) | ||
51 | extern void e820_mark_nosave_regions(void); | ||
52 | #else | ||
53 | static inline void e820_mark_nosave_regions(void) | ||
54 | { | ||
55 | } | ||
56 | #endif | ||
57 | |||
58 | #endif/*!__ASSEMBLY__*/ | ||
59 | |||
60 | #endif/*__E820_HEADER*/ | ||