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| author | Peter Tyser <ptyser@xes-inc.com> | 2009-08-21 23:05:19 -0500 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-09-04 21:45:39 +0200 |
| commit | 5e93bd1c9aaea886c5e5c7c1b6114ab36c30668f (patch) | |
| tree | ec61a4a1610baf8ebfad8fc08688c393368c4dbd /lib_blackfin/board.c | |
| parent | 65f6f07b72a71b83d775c4d20d7ebcd6b2d2086d (diff) | |
| download | u-boot-imx-5e93bd1c9aaea886c5e5c7c1b6114ab36c30668f.zip u-boot-imx-5e93bd1c9aaea886c5e5c7c1b6114ab36c30668f.tar.gz u-boot-imx-5e93bd1c9aaea886c5e5c7c1b6114ab36c30668f.tar.bz2 | |
Consolidate arch-specific sbrk() implementations
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_blackfin/board.c')
| -rw-r--r-- | lib_blackfin/board.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c index 5b9efde..9c405ba 100644 --- a/lib_blackfin/board.c +++ b/lib_blackfin/board.c @@ -44,27 +44,13 @@ static inline void serial_early_puts(const char *s) #endif } -static void *mem_malloc_start, *mem_malloc_end, *mem_malloc_brk; - static void mem_malloc_init(void) { - mem_malloc_start = (void *)CONFIG_SYS_MALLOC_BASE; - mem_malloc_end = (void *)(CONFIG_SYS_MALLOC_BASE + CONFIG_SYS_MALLOC_LEN); + mem_malloc_start = (ulong)CONFIG_SYS_MALLOC_BASE; + mem_malloc_end = (ulong)(CONFIG_SYS_MALLOC_BASE + CONFIG_SYS_MALLOC_LEN); mem_malloc_brk = mem_malloc_start; - memset(mem_malloc_start, 0, mem_malloc_end - mem_malloc_start); -} - -void *sbrk(ptrdiff_t increment) -{ - void *old = mem_malloc_brk; - void *new = old + increment; - - if (new < mem_malloc_start || new > mem_malloc_end) - return NULL; - - mem_malloc_brk = new; - return old; + memset((void*)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start); } static int display_banner(void) |