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authorStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-01 11:31:40 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-01 20:55:18 +0200
commit909b916e56dcbb9e4fa1334055cea998b03d99b4 (patch)
tree1673868b4a08bce00df5f3253140545b00202e22 /payloads/libpayload
parentd0ed7eef7413cc753b03e2cfba36ef9208491d71 (diff)
libpayload: Keep stack boundary small on x86
There is no measurable performance impact, but this positively impacts the memory used by payloads. Change-Id: Ib2bdba4a7bf2a4c2391a20b3225bbb44422d3194 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/10751 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'payloads/libpayload')
-rw-r--r--payloads/libpayload/arch/x86/Makefile.inc2
1 files changed, 2 insertions, 0 deletions
diff --git a/payloads/libpayload/arch/x86/Makefile.inc b/payloads/libpayload/arch/x86/Makefile.inc
index 87b3e9e842..6517bf196c 100644
--- a/payloads/libpayload/arch/x86/Makefile.inc
+++ b/payloads/libpayload/arch/x86/Makefile.inc
@@ -27,6 +27,8 @@
## SUCH DAMAGE.
##
+CFLAGS += -mpreferred-stack-boundary=2
+
head.o-y += head.S
libc-y += main.c sysinfo.c
libc-y += timer.c coreboot.c util.S