From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>, qemu-arm <qemu-arm@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 03/17] target/arm: Add MTE system registers
Date: Sun, 10 Feb 2019 14:47:38 -0800 [thread overview]
Message-ID: <56abf739-b75a-025f-1c38-dd1cd254617f@linaro.org> (raw)
In-Reply-To: <CAFEAcA-TwEh74GuvafhqFUXP_xesqC9b1oixubj=ztNa8t4a2g@mail.gmail.com>
On 2/10/19 1:40 PM, Peter Maydell wrote:
>> Actually, we already break the TB here by default.
>
> Do we? I didn't see any code (apart from the handling
> in the DAIFSet/Clear codepaths, which aren't used for TCO).
At the start of the function:
/* End the TB by default, chaining is ok. */
s->base.is_jmp = DISAS_TOO_MANY;
Since the change to TCO is from an immediate, the change to MTE_ACTIVE is also
constant, and so chaining will work.
r~
next prev parent reply other threads:[~2019-02-10 22:47 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-14 1:11 [Qemu-devel] [PATCH 00/17] target/arm: Implement ARMv8.5-MemTag Richard Henderson
2019-01-14 1:11 ` [Qemu-devel] [PATCH 01/17] target/arm: Add MTE_ACTIVE to tb_flags Richard Henderson
2019-02-05 19:06 ` Peter Maydell
2019-02-10 0:06 ` Richard Henderson
2019-01-14 1:11 ` [Qemu-devel] [PATCH 02/17] target/arm: Extract TCMA with ARMVAParameters Richard Henderson
2019-02-05 19:08 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 03/17] target/arm: Add MTE system registers Richard Henderson
2019-02-05 19:27 ` Peter Maydell
2019-02-10 1:20 ` Richard Henderson
2019-02-10 1:23 ` Richard Henderson
2019-02-10 21:40 ` Peter Maydell
2019-02-10 22:47 ` Richard Henderson [this message]
2019-02-11 9:43 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 04/17] target/arm: Fill in helper_mte_check Richard Henderson
2019-02-07 15:57 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 05/17] target/arm: Suppress tag check for sp+offset Richard Henderson
2019-02-07 16:17 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 06/17] target/arm: Implement the IRG instruction Richard Henderson
2019-02-07 16:47 ` Peter Maydell
2019-02-10 3:43 ` Richard Henderson
2019-01-14 1:11 ` [Qemu-devel] [PATCH 07/17] target/arm: Implement ADDG, SUBG instructions Richard Henderson
2019-02-07 17:28 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 08/17] target/arm: Implement the GMI instruction Richard Henderson
2019-02-07 17:32 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 09/17] target/arm: Implement the SUBP instruction Richard Henderson
2019-02-07 17:38 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 10/17] target/arm: Implement LDG, STG, ST2G instructions Richard Henderson
2019-02-07 17:41 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 11/17] target/arm: Implement the STGP instruction Richard Henderson
2019-02-07 17:41 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 12/17] target/arm: Implement the LDGV and STGV instructions Richard Henderson
2019-02-07 17:43 ` Peter Maydell
2019-01-14 1:11 ` [Qemu-devel] [PATCH 13/17] target/arm: Set PSTATE.TCO on exception entry Richard Henderson
2019-02-07 17:44 ` Peter Maydell
2019-02-08 17:16 ` Richard Henderson
2019-01-14 1:11 ` [Qemu-devel] [PATCH 14/17] tcg: Introduce target-specific page data for user-only Richard Henderson
2019-01-14 1:11 ` [Qemu-devel] [PATCH 15/17] target/arm: Add allocation tag storage " Richard Henderson
2019-01-14 1:11 ` [Qemu-devel] [PATCH 16/17] target/arm: Enable MTE Richard Henderson
2019-01-14 1:11 ` [Qemu-devel] [PATCH 17/17] tests/tcg/aarch64: Add mte smoke tests Richard Henderson
2019-01-14 14:22 ` Alex Bennée
2019-01-14 21:07 ` Richard Henderson
2019-02-05 19:42 ` [Qemu-devel] [PATCH 00/17] target/arm: Implement ARMv8.5-MemTag Peter Maydell
2019-02-07 17:53 ` Peter Maydell
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