target/riscv: Don't wrongly override isa version
commita8b37120d459a7fdd353f08e9ccb75178086c6cc
authorLIU Zhiwei <zhiwei_liu@c-sky.com>
Wed, 11 Aug 2021 14:46:12 +0000 (11 22:46 +0800)
committerAlistair Francis <alistair.francis@wdc.com>
Wed, 1 Sep 2021 01:59:12 +0000 (1 11:59 +1000)
treea6ca0cb809dbb87b65932f3bf90d051760a51709
parent65e728a28aa6c9df62711e2ece09f142b97825a6
target/riscv: Don't wrongly override isa version

For some cpu, the isa version has already been set in cpu init function.
Thus only override the isa version when isa version is not set, or
users set different isa version explicitly by cpu parameters.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210811144612.68674-1-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
target/riscv/cpu.c