Re: [U-Boot] [PATCH v2 05/18] Add a simple version of memalign()

[Simon Glass]

On 12 May 2015 at 14:55, Simon Glass s...@chromium.org wrote:
 This is used when the full malloc() is not available.

 Signed-off-by: Simon Glass s...@chromium.org
 ---

 Changes in v2:
 - Add a new patch for memalign_simple()

  common/malloc_simple.c | 14 ++
  1 file changed, 14 insertions(+)

Applied to u-boot-dm.
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[U-Boot] [PATCH v2 05/18] Add a simple version of memalign()

[Simon Glass]

This is used when the full malloc() is not available.

Signed-off-by: Simon Glass s...@chromium.org
---

Changes in v2:
- Add a new patch for memalign_simple()

 common/malloc_simple.c | 14 ++
 1 file changed, 14 insertions(+)

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)
 {
-- 
2.2.0.rc0.207.ga3a616c

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