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Re: [Qemu-devel] [PATCH 03/10] target/arm: Implement HCR.FB
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [PATCH 03/10] target/arm: Implement HCR.FB |
Date: |
Sun, 14 Oct 2018 09:21:40 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 10/12/18 7:42 AM, Peter Maydell wrote:
> The HCR.FB virtualization configuration register bit requests that
> TLB maintenance, branch predictor invalidate-all and icache
> invalidate-all operations performed in NS EL1 should be upgraded
> from "local CPU only to "broadcast within Inner Shareable domain".
> For QEMU we NOP the branch predictor and icache operations, so
> we only need to upgrade the TLB invalidates:
> AArch32 TLBIALL, TLBIMVA, TLBIASID, DTLBIALL, DTLBIMVA, DTLBIASID,
> ITLBIALL, ITLBIMVA, ITLBIASID, TLBIMVAA, TLBIMVAL, TLBIMVAAL
> AArch64 TLBI VMALLE1, TLBI VAE1, TLBI ASIDE1, TLBI VAAE1,
> TLBI VALE1, TLBI VAALE1
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> target/arm/helper.c | 191 +++++++++++++++++++++++++++-----------------
> 1 file changed, 116 insertions(+), 75 deletions(-)
Reviewed-by: Richard Henderson <address@hidden>
r~
- [Qemu-devel] [PATCH 00/10] target/arm: more HCR bits, improve syndrome reporting, Peter Maydell, 2018/10/12
- [Qemu-devel] [PATCH 02/10] target/arm: Make switch_mode() file-local, Peter Maydell, 2018/10/12
- [Qemu-devel] [PATCH 01/10] target/arm: Improve debug logging of AArch32 exception return, Peter Maydell, 2018/10/12
- [Qemu-devel] [PATCH 03/10] target/arm: Implement HCR.FB, Peter Maydell, 2018/10/12
- Re: [Qemu-devel] [PATCH 03/10] target/arm: Implement HCR.FB,
Richard Henderson <=
- [Qemu-devel] [PATCH 04/10] target/arm: Implement HCR.DC, Peter Maydell, 2018/10/12
- [Qemu-devel] [PATCH 05/10] target/arm: ISR_EL1 bits track virtual interrupts if IMO/FMO set, Peter Maydell, 2018/10/12
- [Qemu-devel] [PATCH 09/10] target/arm: Get IL bit correct for v7 syndrome values, Peter Maydell, 2018/10/12
- [Qemu-devel] [PATCH 07/10] target/arm: Implement HCR.PTW, Peter Maydell, 2018/10/12
- [Qemu-devel] [PATCH 06/10] target/arm: Implement HCR.VI and VF, Peter Maydell, 2018/10/12