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Re: [PATCH v2 09/15] target/arm: Implement FEAT_LVA
From: |
Peter Maydell |
Subject: |
Re: [PATCH v2 09/15] target/arm: Implement FEAT_LVA |
Date: |
Tue, 15 Feb 2022 22:05:41 +0000 |
On Thu, 10 Feb 2022 at 04:04, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> This feature is relatively small, as it applies only to
> 64k pages and thus requires no additional changes to the
> table descriptor walking algorithm, only a change to the
> minimum TSZ (which is the inverse of the maximum virtual
> address space size).
>
> Note that this feature widens VBAR_ELx, but we already
> treat the register as being 64 bits wide.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> target/arm/cpu-param.h | 2 +-
> target/arm/cpu.h | 5 +++++
> target/arm/cpu64.c | 1 +
> target/arm/helper.c | 9 ++++++++-
> 4 files changed, 15 insertions(+), 2 deletions(-)
Need to add FEAT_LVA to the list of emulated features in
docs/system/arm/emulation.rst.
Otherwise
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM
- Re: [PATCH v2 04/15] target/arm: Move arm_pamax out of line, (continued)
- [PATCH v2 03/15] target/arm: Fault on invalid TCR_ELx.TxSZ, Richard Henderson, 2022/02/09
- [PATCH v2 05/15] target/arm: Pass outputsize down to check_s2_mmu_setup, Richard Henderson, 2022/02/09
- [PATCH v2 07/15] target/arm: Honor TCR_ELx.{I}PS, Richard Henderson, 2022/02/09
- [PATCH v2 08/15] target/arm: Prepare DBGBVR and DBGWVR for FEAT_LVA, Richard Henderson, 2022/02/09
- [PATCH v2 09/15] target/arm: Implement FEAT_LVA, Richard Henderson, 2022/02/09
- Re: [PATCH v2 09/15] target/arm: Implement FEAT_LVA,
Peter Maydell <=
- [PATCH v2 10/15] target/arm: Implement FEAT_LPA, Richard Henderson, 2022/02/09
- [PATCH v2 06/15] target/arm: Use MAKE_64BIT_MASK to compute indexmask, Richard Henderson, 2022/02/09
- [PATCH v2 11/15] target/arm: Extend arm_fi_to_lfsc to level -1, Richard Henderson, 2022/02/09
- [PATCH v2 12/15] target/arm: Introduce tlbi_aa64_get_range, Richard Henderson, 2022/02/09
- [PATCH v2 15/15] target/arm: Implement FEAT_LPA2, Richard Henderson, 2022/02/09