From: Peter Maydell <peter.maydell@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-arm <qemu-arm@nongnu.org>, QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [PATCH v3 12/21] linux-user/aarch64: Implement PR_TAGGED_ADDR_ENABLE
Date: Fri, 22 Jan 2021 11:36:53 +0000 [thread overview]
Message-ID: <CAFEAcA-2rcoOK4wLZ_m+fX69o7o652Fb4FwBj7FbQgdG4RU3Ug@mail.gmail.com> (raw)
In-Reply-To: <20210115224645.1196742-13-richard.henderson@linaro.org>
On Fri, 15 Jan 2021 at 22:47, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> This is the prctl bit that controls whether syscalls accept tagged
> addresses. See Documentation/arm64/tagged-address-abi.rst in the
> linux kernel.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> linux-user/aarch64/target_syscall.h | 4 ++++
> target/arm/cpu-param.h | 3 +++
> target/arm/cpu.h | 23 +++++++++++++++++++++++
> linux-user/syscall.c | 25 +++++++++++++++++++++++++
> target/arm/cpu.c | 3 +++
> 5 files changed, 58 insertions(+)
>
> diff --git a/linux-user/aarch64/target_syscall.h b/linux-user/aarch64/target_syscall.h
> index 3194e6b009..820601dfcc 100644
> --- a/linux-user/aarch64/target_syscall.h
> +++ b/linux-user/aarch64/target_syscall.h
> @@ -30,4 +30,8 @@ struct target_pt_regs {
> # define TARGET_PR_PAC_APDBKEY (1 << 3)
> # define TARGET_PR_PAC_APGAKEY (1 << 4)
>
> +#define TARGET_PR_SET_TAGGED_ADDR_CTRL 55
> +#define TARGET_PR_GET_TAGGED_ADDR_CTRL 56
> +# define TARGET_PR_TAGGED_ADDR_ENABLE (1UL << 0)
Stray extra space.
Otherwise
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM
next prev parent reply other threads:[~2021-01-22 11:38 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 22:46 [PATCH v3 00/21] target-arm: Implement ARMv8.5-MemTag, user mode Richard Henderson
2021-01-15 22:46 ` [PATCH v3 01/21] tcg: Introduce target-specific page data for user-only Richard Henderson
2021-01-19 16:53 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 02/21] linux-user: Introduce PAGE_ANON Richard Henderson
2021-01-15 22:46 ` [PATCH v3 03/21] exec: Use uintptr_t for guest_base Richard Henderson
2021-01-19 16:56 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 04/21] exec: Use uintptr_t in cpu_ldst.h Richard Henderson
2021-01-19 16:56 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 05/21] exec: Improve types for guest_addr_valid Richard Henderson
2021-01-19 16:57 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 06/21] linux-user: Check for overflow in access_ok Richard Henderson
2021-01-15 22:46 ` [PATCH v3 07/21] linux-user: Tidy VERIFY_READ/VERIFY_WRITE Richard Henderson
2021-01-15 22:46 ` [PATCH v3 08/21] bsd-user: " Richard Henderson
2021-01-16 16:28 ` Warner Losh
2021-01-15 22:46 ` [PATCH v3 09/21] linux-user: Do not use guest_addr_valid for h2g_valid Richard Henderson
2021-01-19 16:59 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 10/21] linux-user: Fix guest_addr_valid vs reserved_va Richard Henderson
2021-01-19 17:03 ` Peter Maydell
2021-01-19 17:41 ` Richard Henderson
2021-01-15 22:46 ` [PATCH v3 11/21] exec: Add support for TARGET_TAGGED_ADDRESSES Richard Henderson
2021-01-22 14:13 ` Peter Maydell
2021-01-26 17:10 ` Richard Henderson
2021-01-15 22:46 ` [PATCH v3 12/21] linux-user/aarch64: Implement PR_TAGGED_ADDR_ENABLE Richard Henderson
2021-01-22 11:36 ` Peter Maydell [this message]
2021-01-22 11:53 ` Peter Maydell
2021-01-22 12:02 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 13/21] linux-user/aarch64: Implement PR_MTE_TCF and PR_MTE_TAG Richard Henderson
2021-01-22 11:48 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 14/21] linux-user/aarch64: Implement PROT_MTE Richard Henderson
2021-01-15 22:46 ` [PATCH v3 15/21] target/arm: Split out syndrome.h from internals.h Richard Henderson
2021-01-19 17:07 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 16/21] linux-user/aarch64: Pass syndrome to EXC_*_ABORT Richard Henderson
2021-01-19 17:12 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 17/21] linux-user/aarch64: Signal SEGV_MTESERR for sync tag check fault Richard Henderson
2021-01-22 12:03 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 18/21] linux-user/aarch64: Signal SEGV_MTEAERR for async tag check error Richard Henderson
2021-01-22 13:59 ` Peter Maydell
2021-01-28 8:49 ` Richard Henderson
2021-01-28 10:44 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 19/21] target/arm: Add allocation tag storage for user mode Richard Henderson
2021-01-22 14:05 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 20/21] target/arm: Enable MTE for user-only Richard Henderson
2021-01-22 14:02 ` Peter Maydell
2021-01-15 22:46 ` [PATCH v3 21/21] tests/tcg/aarch64: Add mte smoke tests Richard Henderson
2021-01-22 14:04 ` Peter Maydell
2021-01-15 23:15 ` [PATCH v3 00/21] target-arm: Implement ARMv8.5-MemTag, user mode no-reply
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