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author | Justin Chadwell <justin.chadwell@arm.com> | 2019-07-03 14:13:34 +0100 |
---|---|---|
committer | Justin Chadwell <justin.chadwell@arm.com> | 2019-07-11 12:10:58 +0100 |
commit | 9e4afb0272615a1c5f11d8371fd82c41a19499d5 (patch) | |
tree | 31032a1867c39ebfcee7969a4d2b29cac6f42465 /plat/layerscape/board | |
parent | 36cfbf3ca28be833116a1ac7c7c1b98da50db95a (diff) | |
download | trusted-firmware-a-9e4afb0272615a1c5f11d8371fd82c41a19499d5.tar.gz |
Update layerscape 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: Ib63ef6e2e4616dd56828bfd3800d5fe2df109934
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>
Diffstat (limited to 'plat/layerscape/board')
-rw-r--r-- | plat/layerscape/board/ls1043/ls1043_psci.c | 4 | ||||
-rw-r--r-- | plat/layerscape/board/ls1043/ls_gic.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/plat/layerscape/board/ls1043/ls1043_psci.c b/plat/layerscape/board/ls1043/ls1043_psci.c index d6429c3261..8e282cbad8 100644 --- a/plat/layerscape/board/ls1043/ls1043_psci.c +++ b/plat/layerscape/board/ls1043/ls1043_psci.c @@ -66,12 +66,12 @@ static void ls1043_reset_core(int core_pos) dsb(); /* enable core soft reset */ mmio_write_32(LS_SCFG_BASE + LS_SCFG_CORESRENCR_OFFSET, - htobe32(1 << 31)); + htobe32(1U << 31)); dsb(); isb(); /* reset core */ mmio_write_32(LS_SCFG_BASE + LS_SCFG_CORE0_SFT_RST_OFFSET + - core_pos * 4, htobe32(1 << 31)); + core_pos * 4, htobe32(1U << 31)); mdelay(10); } diff --git a/plat/layerscape/board/ls1043/ls_gic.c b/plat/layerscape/board/ls1043/ls_gic.c index 3d8b262d29..cba55caffd 100644 --- a/plat/layerscape/board/ls1043/ls_gic.c +++ b/plat/layerscape/board/ls1043/ls_gic.c @@ -35,7 +35,7 @@ void get_gic_offset(uint32_t *gicc_base, uint32_t *gicd_base) soc_dev_id == (SVR_LS1043AE << 8)) && ((val & 0xff) == REV1_1)) { val = be32toh(mmio_read_32((uintptr_t)gic_align)); - if (val & (1 << GIC_ADDR_BIT)) { + if (val & (1U << GIC_ADDR_BIT)) { *gicc_base = GICC_BASE; *gicd_base = GICD_BASE; } else { |