diff options
author | Andrea Bastoni <bastoni@cs.unc.edu> | 2010-05-30 19:16:45 -0400 |
---|---|---|
committer | Andrea Bastoni <bastoni@cs.unc.edu> | 2010-05-30 19:16:45 -0400 |
commit | ada47b5fe13d89735805b566185f4885f5a3f750 (patch) | |
tree | 644b88f8a71896307d71438e9b3af49126ffb22b /include/linux/decompress | |
parent | 43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff) | |
parent | 3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff) |
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'include/linux/decompress')
-rw-r--r-- | include/linux/decompress/mm.h | 18 | ||||
-rw-r--r-- | include/linux/decompress/unlzo.h | 10 |
2 files changed, 24 insertions, 4 deletions
diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h index 12ff8c3f1d05..ad5ec1d0475e 100644 --- a/include/linux/decompress/mm.h +++ b/include/linux/decompress/mm.h | |||
@@ -14,18 +14,28 @@ | |||
14 | 14 | ||
15 | /* Code active when included from pre-boot environment: */ | 15 | /* Code active when included from pre-boot environment: */ |
16 | 16 | ||
17 | /* | ||
18 | * Some architectures want to ensure there is no local data in their | ||
19 | * pre-boot environment, so that data can arbitarily relocated (via | ||
20 | * GOT references). This is achieved by defining STATIC_RW_DATA to | ||
21 | * be null. | ||
22 | */ | ||
23 | #ifndef STATIC_RW_DATA | ||
24 | #define STATIC_RW_DATA static | ||
25 | #endif | ||
26 | |||
17 | /* A trivial malloc implementation, adapted from | 27 | /* A trivial malloc implementation, adapted from |
18 | * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 | 28 | * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994 |
19 | */ | 29 | */ |
20 | static unsigned long malloc_ptr; | 30 | STATIC_RW_DATA unsigned long malloc_ptr; |
21 | static int malloc_count; | 31 | STATIC_RW_DATA int malloc_count; |
22 | 32 | ||
23 | static void *malloc(int size) | 33 | static void *malloc(int size) |
24 | { | 34 | { |
25 | void *p; | 35 | void *p; |
26 | 36 | ||
27 | if (size < 0) | 37 | if (size < 0) |
28 | error("Malloc error"); | 38 | return NULL; |
29 | if (!malloc_ptr) | 39 | if (!malloc_ptr) |
30 | malloc_ptr = free_mem_ptr; | 40 | malloc_ptr = free_mem_ptr; |
31 | 41 | ||
@@ -35,7 +45,7 @@ static void *malloc(int size) | |||
35 | malloc_ptr += size; | 45 | malloc_ptr += size; |
36 | 46 | ||
37 | if (free_mem_end_ptr && malloc_ptr >= free_mem_end_ptr) | 47 | if (free_mem_end_ptr && malloc_ptr >= free_mem_end_ptr) |
38 | error("Out of memory"); | 48 | return NULL; |
39 | 49 | ||
40 | malloc_count++; | 50 | malloc_count++; |
41 | return p; | 51 | return p; |
diff --git a/include/linux/decompress/unlzo.h b/include/linux/decompress/unlzo.h new file mode 100644 index 000000000000..987229752519 --- /dev/null +++ b/include/linux/decompress/unlzo.h | |||
@@ -0,0 +1,10 @@ | |||
1 | #ifndef DECOMPRESS_UNLZO_H | ||
2 | #define DECOMPRESS_UNLZO_H | ||
3 | |||
4 | int unlzo(unsigned char *inbuf, int len, | ||
5 | int(*fill)(void*, unsigned int), | ||
6 | int(*flush)(void*, unsigned int), | ||
7 | unsigned char *output, | ||
8 | int *pos, | ||
9 | void(*error)(char *x)); | ||
10 | #endif | ||