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| author | Simon Glass <sjg@chromium.org> | 2015-05-12 14:55:06 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-06-10 19:26:55 -0600 |
| commit | b6bfb6ff9a2173d5e0e5506b95631aa49396c468 (patch) | |
| tree | 6738c945b4020cba2abfe9f097960e21addb2404 | |
| parent | e9fc0583147b47dfbf9be3cea579a7366e7fe702 (diff) | |
| download | u-boot-imx-b6bfb6ff9a2173d5e0e5506b95631aa49396c468.zip u-boot-imx-b6bfb6ff9a2173d5e0e5506b95631aa49396c468.tar.gz u-boot-imx-b6bfb6ff9a2173d5e0e5506b95631aa49396c468.tar.bz2 | |
Add a simple version of memalign()
This is used when the full malloc() is not available.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | common/malloc_simple.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/common/malloc_simple.c b/common/malloc_simple.c index d445199..9811ab6 100644 --- a/common/malloc_simple.c +++ b/common/malloc_simple.c @@ -26,6 +26,20 @@ void *malloc_simple(size_t bytes) return ptr; } +void *memalign_simple(size_t align, size_t bytes) +{ + ulong addr, new_ptr; + void *ptr; + + addr = ALIGN(gd->malloc_base + gd->malloc_ptr, bytes); + new_ptr = addr + bytes; + if (new_ptr > gd->malloc_limit) + return NULL; + ptr = map_sysmem(addr, bytes); + gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr)); + return ptr; +} + #ifdef CONFIG_SYS_MALLOC_SIMPLE void *calloc(size_t nmemb, size_t elem_size) { |