[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v7 20/75] target/riscv: rvv-1.0: fix address index overflow bug o
|
From: |
frank . chang |
|
Subject: |
[PATCH v7 20/75] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns |
|
Date: |
Fri, 26 Feb 2021 11:18:04 +0800 |
From: Frank Chang <frank.chang@sifive.com>
Replace ETYPE from signed int to unsigned int to prevent index overflow
issue, which would lead to wrong index address.
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/vector_helper.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 368259f75a0..9349a36b41b 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -361,10 +361,10 @@ static target_ulong NAME(target_ulong base, \
return (base + *((ETYPE *)vs2 + H(idx))); \
}
-GEN_VEXT_GET_INDEX_ADDR(idx_b, int8_t, H1)
-GEN_VEXT_GET_INDEX_ADDR(idx_h, int16_t, H2)
-GEN_VEXT_GET_INDEX_ADDR(idx_w, int32_t, H4)
-GEN_VEXT_GET_INDEX_ADDR(idx_d, int64_t, H8)
+GEN_VEXT_GET_INDEX_ADDR(idx_b, uint8_t, H1)
+GEN_VEXT_GET_INDEX_ADDR(idx_h, uint16_t, H2)
+GEN_VEXT_GET_INDEX_ADDR(idx_w, uint32_t, H4)
+GEN_VEXT_GET_INDEX_ADDR(idx_d, uint64_t, H8)
static inline void
vext_ldst_index(void *vd, void *v0, target_ulong base,
--
2.17.1
- [PATCH v7 10/75] target/riscv: rvv-1.0: check MSTATUS_VS when accessing vector csr registers, (continued)
- [PATCH v7 10/75] target/riscv: rvv-1.0: check MSTATUS_VS when accessing vector csr registers, frank . chang, 2021/02/25
- [PATCH v7 12/75] target/riscv: rvv-1.0: add fractional LMUL, frank . chang, 2021/02/25
- [PATCH v7 11/75] target/riscv: rvv-1.0: remove MLEN calculations, frank . chang, 2021/02/25
- [PATCH v7 13/75] target/riscv: rvv-1.0: add VMA and VTA, frank . chang, 2021/02/25
- [PATCH v7 15/75] target/riscv: introduce more imm value modes in translator functions, frank . chang, 2021/02/25
- [PATCH v7 14/75] target/riscv: rvv-1.0: update check functions, frank . chang, 2021/02/25
- [PATCH v7 16/75] target/riscv: rvv:1.0: add translation-time nan-box helper function, frank . chang, 2021/02/25
- [PATCH v7 17/75] target/riscv: rvv-1.0: configure instructions, frank . chang, 2021/02/25
- [PATCH v7 18/75] target/riscv: rvv-1.0: stride load and store instructions, frank . chang, 2021/02/25
- [PATCH v7 19/75] target/riscv: rvv-1.0: index load and store instructions, frank . chang, 2021/02/25
- [PATCH v7 20/75] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns,
frank . chang <=
- [PATCH v7 21/75] target/riscv: rvv-1.0: fault-only-first unit stride load, frank . chang, 2021/02/25
- [PATCH v7 24/75] target/riscv: rvv-1.0: update vext_max_elems() for load/store insns, frank . chang, 2021/02/25
- [PATCH v7 22/75] target/riscv: rvv-1.0: amo operations, frank . chang, 2021/02/25
- [PATCH v7 23/75] target/riscv: rvv-1.0: load/store whole register instructions, frank . chang, 2021/02/25
- [PATCH v7 25/75] target/riscv: rvv-1.0: take fractional LMUL into vector max elements calculation, frank . chang, 2021/02/25
- [PATCH v7 26/75] target/riscv: rvv-1.0: floating-point square-root instruction, frank . chang, 2021/02/25
- [PATCH v7 27/75] target/riscv: rvv-1.0: floating-point classify instructions, frank . chang, 2021/02/25
- [PATCH v7 28/75] target/riscv: rvv-1.0: mask population count instruction, frank . chang, 2021/02/25
- [PATCH v7 29/75] target/riscv: rvv-1.0: find-first-set mask bit instruction, frank . chang, 2021/02/25
- [PATCH v7 30/75] target/riscv: rvv-1.0: set-X-first mask bit instructions, frank . chang, 2021/02/25