diff options
| author | Xiaojuan Yang <yangxiaojuan@loongson.cn> | 2022-07-15 14:07:39 +0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-07-19 21:53:58 +0530 |
| commit | 2b3ef8e5c607130dc5a70f12cc7c6ee68c3844df (patch) | |
| tree | 4a1adeae08907ddc87658af34f54e6f42c69af94 /target | |
| parent | e4ad16f49227be90838511deb03480dc720e76bf (diff) | |
target/loongarch/tlb_helper: Fix coverity integer overflow error
Replace '1 << shift' with 'MAKE_64BIT_MASK(shift, 1)' to fix
unintentional integer overflow errors in tlb_helper file.
Fix coverity CID: 1489759 1489762
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220715060740.1500628-5-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/loongarch/tlb_helper.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/target/loongarch/tlb_helper.c b/target/loongarch/tlb_helper.c index bab19c7e05..610b6d123c 100644 --- a/target/loongarch/tlb_helper.c +++ b/target/loongarch/tlb_helper.c @@ -298,7 +298,7 @@ static void invalidate_tlb_entry(CPULoongArchState *env, int index) } else { tlb_ps = FIELD_EX64(env->CSR_STLBPS, CSR_STLBPS, PS); } - pagesize = 1 << tlb_ps; + pagesize = MAKE_64BIT_MASK(tlb_ps, 1); mask = MAKE_64BIT_MASK(0, tlb_ps + 1); if (tlb_v0) { @@ -736,7 +736,7 @@ void helper_ldpte(CPULoongArchState *env, target_ulong base, target_ulong odd, (tmp0 & (~(1 << R_TLBENTRY_G_SHIFT))); ps = ptbase + ptwidth - 1; if (odd) { - tmp0 += (1 << ps); + tmp0 += MAKE_64BIT_MASK(ps, 1); } } else { /* 0:64bit, 1:128bit, 2:192bit, 3:256bit */ |