From: Frank Chang <[email protected]>
Support the true Zicclsm extension so that we can trap misaligned accesses
when Zicclsm is disabled.
To enable/disable Zicclsm, simply set zicclsm=[true|false], e.g.:
-cpu rv64,zicclsm=[true|false]
QEMU will raise a misaligned load/store exception when executing misaligned
load/store instructions if Zicclsm is disabled.
Changelog:
v4:
* Align ROM reset vector data at 8-byte aligned offsets.
v3:
* Enable Zicclsm for the compatible CPUs.
* Rebase to the latest riscv-to-apply.next.
v2:
* Use (size_memop(size) | mo_endian_env(env)) to calculate MemOp.
* Use (log2_esz << MO_ASHIFT) to calculate aligment MemOp for
vector load/store whole register instructions.
Frank Chang (6):
target/riscv: Add Zicclsm CPU option
target/riscv: Support raising misaligned exceptions for scalar
loads/stores
target/riscv: Support raising misaligned exceptions for vector
loads/stores
target/riscv: Enable Zicclsm for the compatible CPUs
hw/riscv: sifive_u: Align ROM reset vector data
target/riscv: Update Zicclsm ISA string and expose it as a CPU
property
hw/riscv/sifive_u.c | 11 +++--
target/riscv/cpu.c | 9 +++-
target/riscv/cpu_cfg_fields.h.inc | 2 +
target/riscv/insn_trans/trans_rvi.c.inc | 6 +++
target/riscv/insn_trans/trans_rvv.c.inc | 18 +++++--
target/riscv/vector_helper.c | 65 +++++++++++++++++++------
6 files changed, 87 insertions(+), 24 deletions(-)
--
2.43.0
