Create a new "d" RISCVCPUMisaExtConfig property that will update
env->misa_ext* with RVD. Instances of cpu->cfg.ext_d and similar are
replaced with riscv_has_ext(env, RVD).
Remove the old "d" property and 'ext_d' from RISCVCPUConfig.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230406180351.570807-8-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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