[PATCH v4 0/6] target/arm: Implement FEAT_IDTE3

Richard Henderson posted 6 patches 1 week, 5 days ago
docs/system/arm/emulation.rst  |  1 +
target/arm/cpu-features.h      |  7 +++++-
target/arm/cpu.h               |  2 ++
target/arm/helper.c            | 39 ++++++++++++++++++++++++++++++----
target/arm/tcg/cpu64.c         |  4 ++++
target/arm/tcg/op_helper.c     |  2 +-
target/arm/tcg/translate-a64.c |  2 +-
7 files changed, 50 insertions(+), 7 deletions(-)
[PATCH v4 0/6] target/arm: Implement FEAT_IDTE3
Posted by Richard Henderson 1 week, 5 days ago
Changes for v4:
  - Squash accessfn when we don't need it.
    Rather than confusingly add el0 to the access_tid3 switch,
    complete the kernel emulation by squashing away the call.


r~


Richard Henderson (6):
  target/arm: Rename isar_feature_aa64_idst
  target/arm: Enable writes to SCR_EL3.TID{3,5}
  target/arm: Squash accessfn in modify_arm_cp_regs_with_len
  target/arm: Implement SCR_EL3.TID3
  target/arm: Implement SCR_EL3.TID5
  target/arm: Enable FEAT_IDTE3 for -cpu max

 docs/system/arm/emulation.rst  |  1 +
 target/arm/cpu-features.h      |  7 +++++-
 target/arm/cpu.h               |  2 ++
 target/arm/helper.c            | 39 ++++++++++++++++++++++++++++++----
 target/arm/tcg/cpu64.c         |  4 ++++
 target/arm/tcg/op_helper.c     |  2 +-
 target/arm/tcg/translate-a64.c |  2 +-
 7 files changed, 50 insertions(+), 7 deletions(-)

-- 
2.53.0
Re: [PATCH v4 0/6] target/arm: Implement FEAT_IDTE3
Posted by Peter Maydell 1 week, 3 days ago
On Sat, 10 Oct 2026 at 08:10, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Changes for v4:
>   - Squash accessfn when we don't need it.
>     Rather than confusingly add el0 to the access_tid3 switch,
>     complete the kernel emulation by squashing away the call.
>
>
> r~
>
>
> Richard Henderson (6):
>   target/arm: Rename isar_feature_aa64_idst
>   target/arm: Enable writes to SCR_EL3.TID{3,5}
>   target/arm: Squash accessfn in modify_arm_cp_regs_with_len
>   target/arm: Implement SCR_EL3.TID3
>   target/arm: Implement SCR_EL3.TID5
>   target/arm: Enable FEAT_IDTE3 for -cpu max




Applied to target-arm.next, thanks.

-- PMM