From b6bfb6ff9a2173d5e0e5506b95631aa49396c468 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Tue, 12 May 2015 14:55:06 -0600
Subject: [PATCH] Add a simple version of memalign()
This is used when the full malloc() is not available.
Signed-off-by: Simon Glass <sjg@chromium.org>
---
common/malloc_simple.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/common/malloc_simple.c b/common/malloc_simple.c
index d445199c58..9811ab60f6 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)
{
--
2.39.5