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Re: [Qemu-arm] [Qemu-devel] [PATCH v2 11/11] target/arm: Implement v8M M
From: |
Richard Henderson |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH v2 11/11] target/arm: Implement v8M MSPLIM and PSPLIM registers |
Date: |
Fri, 9 Feb 2018 13:15:51 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 02/09/2018 08:58 AM, Peter Maydell wrote:
> The v8M architecture includes hardware support for enforcing
> stack pointer limits. We don't implement this behaviour yet,
> but provide the MSPLIM and PSPLIM stack pointer limit registers
> as reads-as-written, so that when we do implement the checks
> in future this won't break guest migration.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/cpu.h | 2 ++
> target/arm/helper.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
> target/arm/machine.c | 21 +++++++++++++++++++++
> 3 files changed, 69 insertions(+)
Reviewed-by: Richard Henderson <address@hidden>
r~
- Re: [Qemu-arm] [Qemu-devel] [PATCH v2 04/11] hw/intc/armv7m_nvic: Implement v8M CPPWR register, (continued)
- [Qemu-arm] [PATCH v2 02/11] hw/intc/armv7m_nvic: Fix ICSR PENDNMISET/CLR handling, Peter Maydell, 2018/02/09
- [Qemu-arm] [PATCH v2 05/11] hw/intc/armv7m_nvic: Implement cache ID registers, Peter Maydell, 2018/02/09
- [Qemu-arm] [PATCH v2 10/11] target/arm: Migrate v7m.other_sp, Peter Maydell, 2018/02/09
- [Qemu-arm] [PATCH v2 07/11] target/arm: Implement writing to CONTROL_NS for v8M, Peter Maydell, 2018/02/09
- [Qemu-arm] [PATCH v2 11/11] target/arm: Implement v8M MSPLIM and PSPLIM registers, Peter Maydell, 2018/02/09
- Re: [Qemu-arm] [Qemu-devel] [PATCH v2 11/11] target/arm: Implement v8M MSPLIM and PSPLIM registers,
Richard Henderson <=
- [Qemu-arm] [PATCH v2 09/11] target/arm: Add AIRCR to vmstate struct, Peter Maydell, 2018/02/09
- [Qemu-arm] [PATCH v2 08/11] hw/intc/armv7m_nvic: Fix byte-to-interrupt number conversions, Peter Maydell, 2018/02/09
- [Qemu-arm] [PATCH v2 01/11] hw/intc/armv7m_nvic: Don't hardcode M profile ID registers in NVIC, Peter Maydell, 2018/02/09
- [Qemu-arm] [PATCH v2 06/11] hw/intc/armv7m_nvic: Implement SCR, Peter Maydell, 2018/02/09