From: Kees Jongenburger <kees.jongenburger@gmail.com>
Date: Wed, 25 Sep 2013 08:25:02 +0000 (+0200)
Subject: arm:perform copy operation using same cacheability.
X-Git-Tag: v3.3.0~776
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=refs%2Fchanges%2F48%2F848%2F2;p=minix.git

arm:perform copy operation using same cacheability.

When copying data from cacheable memory also use cacheable
attributes when creating temporary mappings.

Change-Id: I0e8380293fb4edaafba49f6262983ad86a5350c5
---

diff --git a/kernel/arch/earm/memory.c b/kernel/arch/earm/memory.c
index fa6fb1344..46ae87d8c 100644
--- a/kernel/arch/earm/memory.c
+++ b/kernel/arch/earm/memory.c
@@ -100,10 +100,13 @@ static phys_bytes createpde(
 		pdeval = pr->p_seg.p_ttbr_v[ARM_VM_PDE(linaddr)];
 	} else {
 		/* Requested address is physical. Make up the PDE entry. */
+		assert (linaddr >= PHYS_MEM_BEGIN && linaddr <= PHYS_MEM_END);
+
+		/* memory */
 		pdeval = (linaddr & ARM_VM_SECTION_MASK)
 			| ARM_VM_SECTION
 			| ARM_VM_SECTION_DOMAIN
-			| ARM_VM_SECTION_DEVICE
+			| ARM_VM_SECTION_CACHED
 			| ARM_VM_SECTION_USER;
 	}