Update rockchip platform to not rely on undefined overflow behaviour
This consists of ensuring that the left operand of each shift is
unsigned when the operation might overflow into the sign bit.
Change-Id: Ib7fc54e4141cc4f1952a18241bc18671b36e2168
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>
diff --git a/plat/rockchip/rk3399/drivers/pmu/m0_ctl.c b/plat/rockchip/rk3399/drivers/pmu/m0_ctl.c
index d919fa1..cad76ac 100644
--- a/plat/rockchip/rk3399/drivers/pmu/m0_ctl.c
+++ b/plat/rockchip/rk3399/drivers/pmu/m0_ctl.c
@@ -45,10 +45,10 @@
/* set the execute address for M0 */
mmio_write_32(SGRF_BASE + SGRF_PMU_CON(3),
BITS_WITH_WMASK((addr >> 12) & 0xffff,
- 0xffff, 0));
+ 0xffffu, 0));
mmio_write_32(SGRF_BASE + SGRF_PMU_CON(7),
BITS_WITH_WMASK((addr >> 28) & 0xf,
- 0xf, 0));
+ 0xfu, 0));
}
void m0_start(void)