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Re: [Qemu-arm] [Qemu-devel] [PATCH 10/10] target/arm: Report correct syn
From: |
Richard Henderson |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH 10/10] target/arm: Report correct syndrome for FP/SIMD traps to Hyp mode |
Date: |
Mon, 15 Oct 2018 09:00:55 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 |
On 10/12/18 7:42 AM, Peter Maydell wrote:
> For traps of FP/SIMD instructions to AArch32 Hyp mode, the syndrome
> provided in HSR has more information than is reported to AArch64.
> Specifically, there are extra fields TA and coproc which indicate
> whether the trapped instruction was FP or SIMD. Add this extra
> information to the syndromes we construct, and mask it out when
> taking the exception to AArch64.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/internals.h | 14 +++++++++++++-
> target/arm/helper.c | 9 +++++++++
> target/arm/translate.c | 8 ++++----
> 3 files changed, 26 insertions(+), 5 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
- Re: [Qemu-arm] [Qemu-devel] [PATCH 04/10] target/arm: Implement HCR.DC, (continued)
- [Qemu-arm] [PATCH 05/10] target/arm: ISR_EL1 bits track virtual interrupts if IMO/FMO set, Peter Maydell, 2018/10/12
- [Qemu-arm] [PATCH 07/10] target/arm: Implement HCR.PTW, Peter Maydell, 2018/10/12
- [Qemu-arm] [PATCH 06/10] target/arm: Implement HCR.VI and VF, Peter Maydell, 2018/10/12
- [Qemu-arm] [PATCH 09/10] target/arm: Get IL bit correct for v7 syndrome values, Peter Maydell, 2018/10/12
- [Qemu-arm] [PATCH 10/10] target/arm: Report correct syndrome for FP/SIMD traps to Hyp mode, Peter Maydell, 2018/10/12
- Re: [Qemu-arm] [Qemu-devel] [PATCH 10/10] target/arm: Report correct syndrome for FP/SIMD traps to Hyp mode,
Richard Henderson <=
- [Qemu-arm] [PATCH 08/10] target/arm: New utility function to extract EC from syndrome, Peter Maydell, 2018/10/12