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target/riscv: Extract virt enabled state from tb flags

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Virt enabled state is not a constant, so we should put it into tb flags.
Thus we can use it like a constant condition at translation phase.

Reported-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Message-Id: <20230324143031.1093-2-zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Tested-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230325105429.1142530-2-richard.henderson@linaro.org>
Message-Id: <20230412114333.118895-2-richard.henderson@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
LIU Zhiwei 2023-04-12 13:43:09 +02:00 • committed by Alistair Francis
parent d6db7c975e
commit f196639024
3 changed files with 4 additions and 9 deletions
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1
target/riscv/cpu_helper.c
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@ -104,6 +104,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc,
flags = FIELD_DP32(flags, TB_FLAGS, MSTATUS_HS_VS,
get_field(env->mstatus_hs, MSTATUS_VS));
flags = FIELD_DP32(flags, TB_FLAGS, VIRT_ENABLED, env->virt_enabled);
}
if (cpu->cfg.debug && !icount_enabled()) {
flags = FIELD_DP32(flags, TB_FLAGS, ITRIGGER, env->itrigger_enabled);