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From: Richard Henderson <richard.henderson@linaro.org>
To: LIU Zhiwei <zhiwei_liu@c-sky.com>, qemu-devel@nongnu.org
Cc: alistair.francis@wdc.com, frederic.petrot@univ-grenoble-alpes.fr,
	qemu-riscv@nongnu.org, fabien.portas@grenoble-inp.org
Subject: Re: [PATCH v2 03/13] target/riscv: Split misa.mxl and misa.ext
Date: Thu, 14 Oct 2021 08:52:35 -0700	[thread overview]
Message-ID: <3a123d4d-fee5-9d94-424f-b120d202e649@linaro.org> (raw)
In-Reply-To: <e3151002-6664-930a-bea2-c2d692338a86@c-sky.com>

On 10/14/21 12:52 AM, LIU Zhiwei wrote:
>> @@ -360,6 +357,7 @@ static void riscv_cpu_reset(DeviceState *dev)
>>       mcc->parent_reset(dev);
>>   #ifndef CONFIG_USER_ONLY
>> +    env->misa_mxl = env->misa_mxl_max;
> 
> As we have set misa_mxl in cpu_init_fn, why set it again here?

I guess we could drop this for now, but we'd need to add it back as soon as we can modify 
MXL in write_misa, as this is part of the reset spec.


r~


  reply	other threads:[~2021-10-14 16:04 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-13 20:50 [PATCH v2 00/13] target/riscv: Rationalize XLEN and operand length Richard Henderson
2021-10-13 20:50 ` [PATCH v2 01/13] target/riscv: Move cpu_get_tb_cpu_state out of line Richard Henderson
2021-10-13 20:50 ` [PATCH v2 02/13] target/riscv: Create RISCVMXL enumeration Richard Henderson
2021-10-13 20:50 ` [PATCH v2 03/13] target/riscv: Split misa.mxl and misa.ext Richard Henderson
2021-10-14  7:52   ` LIU Zhiwei
2021-10-14 15:52     ` Richard Henderson [this message]
2021-10-15  5:01   ` Alistair Francis
2021-10-13 20:50 ` [PATCH v2 04/13] target/riscv: Replace riscv_cpu_is_32bit with riscv_cpu_mxl Richard Henderson
2021-10-14  7:08   ` LIU Zhiwei
2021-10-14 16:01     ` Richard Henderson
2021-10-15  5:05   ` Alistair Francis
2021-10-13 20:50 ` [PATCH v2 05/13] target/riscv: Add MXL/SXL/UXL to TB_FLAGS Richard Henderson
2021-10-14  8:20   ` LIU Zhiwei
2021-10-14 16:12     ` Richard Henderson
2021-10-15 12:37   ` Alistair Francis
2021-10-13 20:50 ` [PATCH v2 06/13] target/riscv: Use REQUIRE_64BIT in amo_check64 Richard Henderson
2021-10-14  5:54   ` LIU Zhiwei
2021-10-15  5:08   ` Alistair Francis
2021-10-13 20:50 ` [PATCH v2 07/13] target/riscv: Properly check SEW in amo_op Richard Henderson
2021-10-14  5:55   ` LIU Zhiwei
2021-10-15  5:09   ` Alistair Francis
2021-10-13 20:50 ` [PATCH v2 08/13] target/riscv: Replace is_32bit with get_xl/get_xlen Richard Henderson
2021-10-14  8:26   ` LIU Zhiwei
2021-10-15  5:11   ` Alistair Francis
2021-10-13 20:51 ` [PATCH v2 09/13] target/riscv: Replace DisasContext.w with DisasContext.ol Richard Henderson
2021-10-14  8:40   ` LIU Zhiwei
2021-10-14  8:57     ` Frédéric Pétrot
2021-10-14 15:39       ` Richard Henderson
2021-10-15  5:19   ` Alistair Francis
2021-10-13 20:51 ` [PATCH v2 10/13] target/riscv: Use gen_arith_per_ol for RVM Richard Henderson
2021-10-13 20:51 ` [PATCH v2 11/13] target/riscv: Adjust trans_rev8_32 for riscv64 Richard Henderson
2021-10-15  5:21   ` Alistair Francis
2021-10-13 20:51 ` [PATCH v2 12/13] target/riscv: Use gen_unary_per_ol for RVB Richard Henderson
2021-10-13 20:51 ` [PATCH v2 13/13] target/riscv: Use gen_shift*_per_ol for RVB, RVI Richard Henderson

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