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Re: [Qemu-devel] [PATCH 18/20] target/arm: Make CFSR register banked for
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH 18/20] target/arm: Make CFSR register banked for v8M |
Date: |
Tue, 29 Aug 2017 09:12:39 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
On 08/22/2017 08:08 AM, Peter Maydell wrote:
> Make the CFSR register banked if v8M security extensions are enabled.
>
> Not all the bits in this register are banked: the BFSR
> bits [15:8] are shared between S and NS, and we store them
> in the NS copy of the register.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/cpu.h | 7 ++++++-
> hw/intc/armv7m_nvic.c | 15 +++++++++++++--
> target/arm/helper.c | 18 +++++++++---------
> target/arm/machine.c | 3 ++-
> 4 files changed, 30 insertions(+), 13 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
- Re: [Qemu-devel] [PATCH 13/20] target/arm: Make MPU_RBAR, MPU_RLAR banked for v8M, (continued)
- [Qemu-devel] [PATCH 18/20] target/arm: Make CFSR register banked for v8M, Peter Maydell, 2017/08/22
- Re: [Qemu-devel] [PATCH 18/20] target/arm: Make CFSR register banked for v8M,
Richard Henderson <=
- [Qemu-devel] [PATCH 16/20] target/arm: Make CCR register banked for v8M, Peter Maydell, 2017/08/22
- [Qemu-devel] [PATCH 19/20] target/arm: Move regime_is_secure() to target/arm/internals.h, Peter Maydell, 2017/08/22
- [Qemu-devel] [PATCH 20/20] target/arm: Implement BXNS, and banked stack pointers, Peter Maydell, 2017/08/22