From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 24 May 2013 10:54:01 +0000 (+0200)
Subject: memory: add big endian support to access_with_adjusted_size
X-Git-Tag: qemu-xen-4.4.0-rc1~6^2~343^2~5
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=08521e28c7e6e8cc1f53424a0f845f58d2ed9546;p=qemu-upstream-4.5-testing.git

memory: add big endian support to access_with_adjusted_size

This will be used to split 8-byte access down to two four-byte accesses.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/memory.c b/memory.c
index c72f56d47..679bd8d8b 100644
--- a/memory.c
+++ b/memory.c
@@ -362,8 +362,12 @@ static void access_with_adjusted_size(hwaddr addr,
     access_size = MAX(MIN(size, access_size_max), access_size_min);
     access_mask = -1ULL >> (64 - access_size * 8);
     for (i = 0; i < size; i += access_size) {
-        /* FIXME: big-endian support */
+#ifdef TARGET_WORDS_BIGENDIAN
+        access(opaque, addr + i, value, access_size,
+               (size - access_size - i) * 8, access_mask);
+#else
         access(opaque, addr + i, value, access_size, i * 8, access_mask);
+#endif
     }
 }