From: Joe Hershberger <joe.hershberger@ni.com>
Date: Sun, 22 Mar 2015 22:09:08 +0000 (-0500)
Subject: net: Access mapped physmem in net functions
X-Git-Tag: v2015.07-rc1~305
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=55d5fd9a84ced5c5feb5eda0db1523fa3c2fc742;p=platform%2Fkernel%2Fu-boot.git

net: Access mapped physmem in net functions

Previously the net functions would access memory assuming physmem did
not need to be mapped.  In sandbox, that's not the case.

Now we map the physmem specified by the user in loadaddr to the buffer
that represents that space.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/net/nfs.c b/net/nfs.c
index 381b75f..8e05ae5 100644
--- a/net/nfs.c
+++ b/net/nfs.c
@@ -26,6 +26,7 @@
 #include <command.h>
 #include <net.h>
 #include <malloc.h>
+#include <mapmem.h>
 #include "nfs.h"
 #include "bootp.h"
 
@@ -93,7 +94,10 @@ store_block(uchar *src, unsigned offset, unsigned len)
 	} else
 #endif /* CONFIG_SYS_DIRECT_FLASH_NFS */
 	{
-		(void)memcpy((void *)(load_addr + offset), src, len);
+		void *ptr = map_sysmem(load_addr + offset, len);
+
+		memcpy(ptr, src, len);
+		unmap_sysmem(ptr);
 	}
 
 	if (NetBootFileXferSize < (offset+len))
diff --git a/net/tftp.c b/net/tftp.c
index 0a2c533..51c67be 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <mapmem.h>
 #include <net.h>
 #include "tftp.h"
 #include "bootp.h"
@@ -184,7 +185,10 @@ store_block(int block, uchar *src, unsigned len)
 	} else
 #endif /* CONFIG_SYS_DIRECT_FLASH_TFTP */
 	{
-		(void)memcpy((void *)(load_addr + offset), src, len);
+		void *ptr = map_sysmem(load_addr + offset, len);
+
+		memcpy(ptr, src, len);
+		unmap_sysmem(ptr);
 	}
 #ifdef CONFIG_MCAST_TFTP
 	if (Multicast)