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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Cc: edgar.iglesias@gmail.com
Subject: Re: [PATCH 2/9] target/microblaze: Split out mb_transaction_failed_internal
Date: Thu, 13 Feb 2025 13:59:18 +0100	[thread overview]
Message-ID: <46ffafd4-111c-4583-9039-da61d6a9cd80@linaro.org> (raw)
In-Reply-To: <20250212220155.1147144-3-richard.henderson@linaro.org>

On 12/2/25 23:01, Richard Henderson wrote:
> Use an explicit 64-bit type for the address to store in EAR.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/microblaze/op_helper.c | 70 +++++++++++++++++++++--------------
>   1 file changed, 42 insertions(+), 28 deletions(-)


> +static void mb_transaction_failed_internal(CPUState *cs, hwaddr physaddr,
> +                                           uint64_t addr, unsigned size,
> +                                           MMUAccessType access_type,
> +                                           uintptr_t retaddr)
> +{
> +    CPUMBState *env = cpu_env(cs);
> +    MicroBlazeCPU *cpu = env_archcpu(env);
> +    const char *access_name = "INVALID";
> +    bool take = env->msr & MSR_EE;
> +    uint32_t esr = ESR_EC_DATA_BUS;
> +
> +    switch (access_type) {
> +    case MMU_INST_FETCH:
> +        access_name = "INST_FETCH";
> +        esr = ESR_EC_INSN_BUS;
> +        take &= cpu->cfg.iopb_bus_exception;
> +        break;
> +    case MMU_DATA_LOAD:
> +        access_name = "DATA_LOAD";
> +        take &= cpu->cfg.dopb_bus_exception;
> +        break;
> +    case MMU_DATA_STORE:
> +        access_name = "DATA_STORE";
> +        take &= cpu->cfg.dopb_bus_exception;
> +        break;
> +    }
> +
> +    qemu_log_mask(CPU_LOG_INT, "Transaction failed: addr 0x%" PRIx64
> +                  "physaddr 0x" HWADDR_FMT_plx " size %d access-type %s (%s)\n",
> +                  addr, physaddr, size, access_name,
> +                  take ? "TAKEN" : "DROPPED");

Helpful.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

> +
> +    if (take) {
> +        env->esr = esr;
> +        env->ear = addr;
> +        cs->exception_index = EXCP_HW_EXCP;
> +        cpu_loop_exit_restore(cs, retaddr);
> +    }
> +}



  reply	other threads:[~2025-02-13 12:59 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-12 22:01 [PATCH 0/9] target/microblaze: Always use TARGET_LONG_BITS == 32 Richard Henderson
2025-02-12 22:01 ` [PATCH 1/9] target/microblaze: Split out mb_unaligned_access_internal Richard Henderson
2025-02-12 22:01 ` [PATCH 2/9] target/microblaze: Split out mb_transaction_failed_internal Richard Henderson
2025-02-13 12:59   ` Philippe Mathieu-Daudé [this message]
2025-02-12 22:01 ` [PATCH 3/9] target/microblaze: Implement extended address load/store out of line Richard Henderson
2025-02-12 22:01 ` [PATCH 4/9] target/microblaze: Use uint64_t for CPUMBState.ear Richard Henderson
2025-02-13 12:42   ` Philippe Mathieu-Daudé
2025-02-13 16:11     ` Richard Henderson
2025-04-30  8:46   ` Philippe Mathieu-Daudé
2025-02-12 22:01 ` [PATCH 5/9] target/microblaze: Use TCGv_i64 for compute_ldst_addr_ea Richard Henderson
2025-02-13 12:49   ` Philippe Mathieu-Daudé
2025-02-12 22:01 ` [PATCH 6/9] target/microblaze: Fix printf format in mmu_translate Richard Henderson
2025-02-12 22:01 ` [PATCH 7/9] target/microblaze: Use TARGET_LONG_BITS == 32 for system mode Richard Henderson
2025-02-12 22:01 ` [PATCH 8/9] target/microblaze: Drop DisasContext.r0 Richard Henderson
2025-02-13 12:51   ` Philippe Mathieu-Daudé
2025-02-12 22:01 ` [PATCH 9/9] target/microblaze: Simplify compute_ldst_addr_type{a,b} Richard Henderson
2025-02-13 12:56   ` Philippe Mathieu-Daudé
2025-02-13 12:37 ` [PATCH 0/9] target/microblaze: Always use TARGET_LONG_BITS == 32 Philippe Mathieu-Daudé
2025-03-05  0:21   ` Philippe Mathieu-Daudé
2025-04-30  6:26   ` Philippe Mathieu-Daudé
2025-04-30  7:29     ` Philippe Mathieu-Daudé
2025-04-30 10:54       ` Edgar E. Iglesias
2025-04-30 10:38     ` Edgar E. Iglesias
2025-04-30 11:09 ` Edgar E. Iglesias
2025-04-30 12:45   ` Philippe Mathieu-Daudé

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