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authorMarian Balakowicz <m8@semihalf.com>2008-01-08 18:11:44 +0100
committerWolfgang Denk <wd@denx.de>2008-02-07 01:12:55 +0100
commit559316faf7eae0614c91d77f509b57d6c4c091ba (patch)
treecd5cf29efb9aa07b64ca470c0bf6671656c070a3 /include/image.h
parent321359f20823e0b8c5ad38b64d007a6c48cda16e (diff)
[new uImage] Move CHUNKSZ definition to image.h
CHUNKSZ defined for PPC and M68K is set to the same value of 64K, move this definition to a common header. Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Diffstat (limited to 'include/image.h')
-rw-r--r--include/image.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/image.h b/include/image.h
index c9f42980e..aab3f44cc 100644
--- a/include/image.h
+++ b/include/image.h
@@ -164,6 +164,13 @@ typedef struct image_header {
uint8_t ih_name[IH_NMLEN]; /* Image Name */
} image_header_t;
+/*
+ * Some systems (for example LWMON) have very short watchdog periods;
+ * we must make sure to split long operations like memmove() or
+ * crc32() into reasonable chunks.
+ */
+#define CHUNKSZ (64 * 1024)
+
#define image_to_cpu(x) ntohl(x)
#define cpu_to_image(x) htonl(x)