[oe-commits] Graeme Gregory : kexecboot_0.4.bb : add patch to always use 16bit writes, this fixes tosa

[GIT User account]

Module: openembedded.git
Branch: org.openembedded.dev
Commit: fe90a0854047d064954185c2a4fa331e9ad560b8
URL:    http://gitweb.openembedded.net/?p=openembedded.git&a=commit;h=fe90a0854047d064954185c2a4fa331e9ad560b8

Author: Graeme Gregory <dp at xora.org.uk>
Date:   Thu Jan 29 22:16:37 2009 +0000

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 deletions(-)

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 0000000..f3405e4
--- /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 85dd29e..ef68881 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}"