diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2014-07-09 10:18:11 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-07-10 21:17:58 +0000 |
| commit | 55aee3888af07bedaacbcc5c345bad342c22457e (patch) | |
| tree | e5c2d2571477142c9817df2485b26ef6e838c813 /core/cortex-m0/build.mk | |
| parent | 9f5a873865806303ac2a98dfdf0de61a132f4911 (diff) | |
| download | chrome-ec-55aee3888af07bedaacbcc5c345bad342c22457e.tar.gz | |
cortex-m0: add 64-bit multiplication
Import code to do 64-bit multiplication on Cortex-M0 core without SMULL
instruction.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=none
TEST=make buildall
add a 64-bit multiplication and see it compiled properly.
verify in .map files that the code is discarded for cortex-M0 based
platforms not using the 64-bit multiplication.
Change-Id: I0a91b3502f4bee4bb79b193fe0854e56a7d498f7
Reviewed-on: https://chromium-review.googlesource.com/207132
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'core/cortex-m0/build.mk')
| -rw-r--r-- | core/cortex-m0/build.mk | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/cortex-m0/build.mk b/core/cortex-m0/build.mk index 9b5d63bb4d..13cef2efc2 100644 --- a/core/cortex-m0/build.mk +++ b/core/cortex-m0/build.mk @@ -13,7 +13,7 @@ CROSS_COMPILE?=arm-none-eabi- CFLAGS_CPU+=-mthumb -Os -mno-sched-prolog CFLAGS_CPU+=-mno-unaligned-access -core-y=cpu.o init.o thumb_case.o div.o +core-y=cpu.o init.o thumb_case.o div.o lmul.o core-$(CONFIG_COMMON_PANIC_OUTPUT)+=panic.o core-$(CONFIG_COMMON_RUNTIME)+=switch.o task.o core-$(CONFIG_WATCHDOG)+=watchdog.o |