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[Qemu-arm] [PATCH v2 00/10] target/arm: Implement v8.1-Atomics
From: |
Richard Henderson |
Subject: |
[Qemu-arm] [PATCH v2 00/10] target/arm: Implement v8.1-Atomics |
Date: |
Fri, 4 May 2018 11:30:11 -0700 |
This implements the Atomics extension, which is mandatory for v8.1.
While testing the v8.2-SVE extension, I've run into issues with the
GCC testsuite expecting this to exist.
Missing is the wiring up of the system registers to indicate that
the extension exists, but we have no system CPU model that would
exercise such a setting.
Changes since v2:
* New patch to use a helper macro for opposite-endian
atomic_fetch_add and atomic_add_fetch, as suggested
by pm215.
* Introduce ARM_FEATURE_V8_1 and define ARM_FEATURE_V8_ATOMICS
in terms of that, reinforcing the mandatory nature of
the extension.
* Typo fix in patch 8.
Peter, do you want to take the whole thing into target-arm.next,
or have it split? We have a review and an ack for the riscv and
xtensa patches.
r~
Richard Henderson (10):
tcg: Introduce helpers for integer min/max
target/arm: Use new min/max expanders
target/xtensa: Use new min/max expanders
tcg: Introduce atomic helpers for integer min/max
tcg: Use GEN_ATOMIC_HELPER_FN for opposite endian atomic add
target/riscv: Use new atomic min/max expanders
target/arm: Introduce ARM_FEATURE_V8_ATOMICS and initial decode
target/arm: Fill in disas_ldst_atomic
target/arm: Implement CAS and CASP
target/arm: Enable ARM_FEATURE_V8_ATOMICS for user-only
accel/tcg/atomic_template.h | 112 ++++++++-----
accel/tcg/tcg-runtime.h | 8 +
target/arm/cpu.h | 2 +
target/arm/helper-a64.h | 2 +
tcg/tcg-op.h | 50 ++++++
tcg/tcg.h | 8 +
linux-user/elfload.c | 1 +
target/arm/cpu64.c | 1 +
target/arm/helper-a64.c | 43 +++++
target/arm/translate-a64.c | 375 +++++++++++++++++++++++++++++++++++---------
target/riscv/translate.c | 72 +++------
target/xtensa/translate.c | 50 ++++--
tcg/tcg-op.c | 48 ++++++
13 files changed, 587 insertions(+), 185 deletions(-)
--
2.14.3
- [Qemu-arm] [PATCH v2 00/10] target/arm: Implement v8.1-Atomics,
Richard Henderson <=
- [Qemu-arm] [PATCH v2 01/10] tcg: Introduce helpers for integer min/max, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 02/10] target/arm: Use new min/max expanders, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 03/10] target/xtensa: Use new min/max expanders, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 04/10] tcg: Introduce atomic helpers for integer min/max, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 05/10] tcg: Use GEN_ATOMIC_HELPER_FN for opposite endian atomic add, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 06/10] target/riscv: Use new atomic min/max expanders, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 08/10] target/arm: Fill in disas_ldst_atomic, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 07/10] target/arm: Introduce ARM_FEATURE_V8_ATOMICS and initial decode, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 09/10] target/arm: Implement CAS and CASP, Richard Henderson, 2018/05/04
- [Qemu-arm] [PATCH v2 10/10] target/arm: Enable ARM_FEATURE_V8_ATOMICS for user-only, Richard Henderson, 2018/05/04