[coreboot] New patch to review for coreboot: c35c461 Invalidate cache before first jump

Stefan Reinauer (stefan.reinauer@coreboot.org) gerrit at coreboot.org
Thu Apr 5 21:24:56 CEST 2012

Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/869


commit c35c461bb2146ab949062f22e265406deef178d2
Author: Stefan Reinauer <reinauer at chromium.org>
Date:   Tue Apr 3 16:09:46 2012 -0700

    Invalidate cache before first jump
    Some CPUs (Sandybridge) seem to require this, and it does not hurt
    on other CPUs.
    Change-Id: I4fdb281b2b684ab5fea999aae28ca08dce24da4d
    Signed-off-by: Stefan Reinauer <reinauer at google.com>
 src/cpu/x86/16bit/reset16.inc |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/cpu/x86/16bit/reset16.inc b/src/cpu/x86/16bit/reset16.inc
index 1be0e3a..8dba3c8 100644
--- a/src/cpu/x86/16bit/reset16.inc
+++ b/src/cpu/x86/16bit/reset16.inc
@@ -2,6 +2,7 @@
 .globl	reset_vector
+	wbinvd
 	.byte  0xe9
 	.int   _start - ( . + 2 )
 	/* Note: The above jump is hand coded to work around bugs in binutils.

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