[0/3] target/arm: Add support for FEAT_SSBS

Message

Rebecca Cran Feb. 15, 2021, 9:58 p.m. UTC

Add support for FEAT_SSBS, Speculative Store Bypass Safe. SSBS is an
optional feature in ARMv8.0 and is mandatory in ARMv8.5.

Rebecca Cran (3):
  target/arm: Add support for FEAT_SSBS, Speculative Store Bypass Safe
  target/arm: Enable FEAT_SSBS for "max" AARCH64 CPU
  target/arm: Set ID_PFR2.SSBS to 1 for "max" 32-bit CPU

 target/arm/cpu.c           |  4 ++
 target/arm/cpu.h           | 15 +++++-
 target/arm/cpu64.c         |  5 ++
 target/arm/helper-a64.c    |  6 +++
 target/arm/helper.c        | 52 ++++++++++++++++++++
 target/arm/internals.h     |  6 +++
 target/arm/translate-a64.c | 12 +++++
 7 files changed, 99 insertions(+), 1 deletion(-)