From fe90a0854047d064954185c2a4fa331e9ad560b8 Mon Sep 17 00:00:00 2001
From: Graeme Gregory <dp@xora.org.uk>
Date: Thu, 29 Jan 2009 22:16:37 +0000
Subject: kexecboot_0.4.bb : add patch to always use 16bit writes, this fixes
 tosa screen corruption and wont harm other machines

---
 .../kexecboot/kexecboot-0.4/fb-render-16bit.patch   | 21 +++++++++++++++++++++
 packages/kexecboot/kexecboot_0.4.bb                 |  3 ++-
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 packages/kexecboot/kexecboot-0.4/fb-render-16bit.patch

diff --git a/packages/kexecboot/kexecboot-0.4/fb-render-16bit.patch b/packages/kexecboot/kexecboot-0.4/fb-render-16bit.patch
new file mode 100644
index 0000000000..f3405e49d8
--- /dev/null
+++ b/packages/kexecboot/kexecboot-0.4/fb-render-16bit.patch
@@ -0,0 +1,21 @@
+Index: kexecboot-0.4/fb.c
+===================================================================
+--- kexecboot-0.4.orig/fb.c	2009-01-29 22:03:34.000000000 +0000
++++ kexecboot-0.4/fb.c	2009-01-29 22:08:22.000000000 +0000
+@@ -19,7 +19,15 @@
+ 
+ void fb_render(FB * fb)
+ {
+-	memcpy(fb->data, fb->backbuffer, fb->screensize);
++	uint16 *source, *dest;
++	int n = fb->screensize/2;
++
++	source = (uint16 *)fb->backbuffer;
++	dest = (uint16 *)fb->data;
++
++	while (n--) {
++		*dest++ = *source++;
++	}
+ }
+ 
+ void fb_destroy(FB * fb)
diff --git a/packages/kexecboot/kexecboot_0.4.bb b/packages/kexecboot/kexecboot_0.4.bb
index 85dd29e69c..ef6888173d 100644
--- a/packages/kexecboot/kexecboot_0.4.bb
+++ b/packages/kexecboot/kexecboot_0.4.bb
@@ -1,5 +1,5 @@
 LICENSE = "GPL"
-PR = "r2"
+PR = "r3"
 DEPENDS = "klibc"
 RDEPENDS = "kexec-static"
 
@@ -16,6 +16,7 @@ SRC_URI = "http://projects.linuxtogo.org/~jay7/kexecboot-${PV}.tar.gz \
 	file://add-sleep.patch;patch=1 \
 	file://silent-output-hack.patch;patch=1 \
 	file://kexecboot-tosa.patch;patch=1 \
+	file://fb-render-16bit.patch;patch=1 \
 	"
 
 S = "${WORKDIR}/kexecboot-${PV}"
-- 
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