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From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <f4bug@amsat.org>, qemu-devel@nongnu.org
Cc: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>,
	kvm@vger.kernel.org, Huacai Chen <chenhuacai@kernel.org>,
	Jiaxun Yang <jiaxun.yang@flygoat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [PATCH v2 03/24] target/mips/cpu: Introduce isa_rel6_available() helper
Date: Tue, 15 Dec 2020 17:27:05 -0600	[thread overview]
Message-ID: <508441db-8748-1b55-5f39-e6a778c0bdc0@linaro.org> (raw)
In-Reply-To: <20201215225757.764263-4-f4bug@amsat.org>

On 12/15/20 4:57 PM, Philippe Mathieu-Daudé wrote:
> +bool isa_rel6_available(const CPUMIPSState *env)
> +{
> +    if (TARGET_LONG_BITS == 64) {
> +        return cpu_supports_isa(env, ISA_MIPS64R6);
> +    }
> +    return cpu_supports_isa(env, ISA_MIPS32R6);
> +}

So... does qemu-system-mips64 support 32-bit cpus?

If so, this needs to be written

  if (TARGET_LONG_BITS == 64 && cpu_supports_isa(...)) {
    return true;
  }

Otherwise, this will return false for a mips32r6 cpu.


r~


  reply	other threads:[~2020-12-15 23:33 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-15 22:57 [PATCH v2 00/24] target/mips: Convert MSA ASE to decodetree Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 01/24] target/mips/translate: Extract decode_opc_legacy() from decode_opc() Philippe Mathieu-Daudé
2020-12-15 23:23   ` Richard Henderson
2020-12-15 22:57 ` [PATCH v2 02/24] target/mips/translate: Expose check_mips_64() to 32-bit mode Philippe Mathieu-Daudé
2021-01-06 18:20   ` Philippe Mathieu-Daudé
2021-01-06 18:37     ` Philippe Mathieu-Daudé
2021-01-07  3:56       ` Jiaxun Yang
2020-12-15 22:57 ` [PATCH v2 03/24] target/mips/cpu: Introduce isa_rel6_available() helper Philippe Mathieu-Daudé
2020-12-15 23:27   ` Richard Henderson [this message]
2020-12-15 23:48     ` Philippe Mathieu-Daudé
2020-12-16  2:50       ` Jiaxun Yang
2020-12-16  3:14         ` Jiaxun Yang
2020-12-16 10:50           ` Philippe Mathieu-Daudé
2020-12-16 10:59             ` Philippe Mathieu-Daudé
2020-12-16 11:30               ` Jiaxun Yang
2020-12-16 11:36               ` Jiaxun Yang
2021-01-07  9:04           ` Philippe Mathieu-Daudé
2021-01-07 13:17             ` Philippe Mathieu-Daudé
2020-12-16 10:55       ` Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 04/24] target/mips: Introduce ase_msa_available() helper Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 05/24] target/mips: Simplify msa_reset() Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 06/24] target/mips: Use CP0_Config3 to set MIPS_HFLAG_MSA Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 07/24] target/mips: Simplify MSA TCG logic Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 08/24] target/mips: Remove now unused ASE_MSA definition Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 09/24] target/mips: Alias MSA vector registers on FPU scalar registers Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 10/24] target/mips: Extract msa_translate_init() from mips_tcg_init() Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 11/24] target/mips: Remove CPUMIPSState* argument from gen_msa*() methods Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 12/24] target/mips: Explode gen_msa_branch() as gen_msa_BxZ_V/BxZ() Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 13/24] target/mips: Rename msa_helper.c as mod-msa_helper.c Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 14/24] target/mips: Move msa_reset() to mod-msa_helper.c Philippe Mathieu-Daudé
2020-12-15 23:09   ` Richard Henderson
2020-12-15 22:57 ` [PATCH v2 15/24] target/mips: Extract MSA helpers from op_helper.c Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 16/24] target/mips: Extract MSA helper definitions Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 17/24] target/mips: Declare gen_msa/_branch() in 'translate.h' Philippe Mathieu-Daudé
2020-12-15 23:10   ` Richard Henderson
2020-12-15 22:57 ` [PATCH v2 18/24] target/mips: Extract MSA translation routines Philippe Mathieu-Daudé
2020-12-15 22:57 ` [PATCH v2 19/24] target/mips: Introduce decode tree bindings for MSA opcodes Philippe Mathieu-Daudé
2020-12-15 23:11   ` Richard Henderson
2020-12-15 22:57 ` [PATCH v2 20/24] target/mips: Use decode_ase_msa() generated from decodetree Philippe Mathieu-Daudé
2020-12-15 23:15   ` Richard Henderson
2020-12-15 22:57 ` [PATCH v2 21/24] target/mips: Extract LSA/DLSA translation generators Philippe Mathieu-Daudé
2020-12-15 23:17   ` Richard Henderson
2020-12-15 22:57 ` [PATCH v2 22/24] target/mips: Introduce decodetree helpers for MSA LSA/DLSA opcodes Philippe Mathieu-Daudé
2020-12-15 23:19   ` Richard Henderson
2020-12-15 22:57 ` [PATCH v2 23/24] target/mips: Introduce decodetree helpers for Release6 " Philippe Mathieu-Daudé
2020-12-15 23:21   ` Richard Henderson
2020-12-15 22:57 ` [RFC PATCH v2 24/24] target/mips/mod-msa: Pass TCGCond argument to gen_check_zero_element() Philippe Mathieu-Daudé
2020-12-15 23:22   ` Richard Henderson
2021-01-07 18:29 ` [PATCH v2 00/24] target/mips: Convert MSA ASE to decodetree Philippe Mathieu-Daudé

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