[PATCH 00/22] target/arm: Implement FEAT_RME

Richard Henderson posted 22 patches 2 weeks, 2 days ago
include/exec/memattrs.h |   9 +-
include/hw/arm/virt.h   |   2 +
target/arm/cpu-param.h  |   2 +-
target/arm/cpu.h        | 143 ++++++--
target/arm/internals.h  |  27 ++
target/arm/syndrome.h   |   9 +
hw/arm/virt.c           |  43 +++
target/arm/cpu.c        |   4 +
target/arm/cpu64.c      |  37 ++
target/arm/helper.c     | 138 +++++++-
target/arm/ptw.c        | 749 ++++++++++++++++++++++++++++++----------
target/arm/tlb_helper.c |  92 ++++-
12 files changed, 1030 insertions(+), 225 deletions(-)
[PATCH 00/22] target/arm: Implement FEAT_RME
Posted by Richard Henderson 2 weeks, 2 days ago
This is based on mainline, without any extra ARMv9-A dependencies
which are still under development.  This is good enough to pass
all of the tests within

    https://github.com/Huawei/Huawei_CCA_QEMU

With the exception of the final patch, all of the code below is my own.
The Huawei code was based on last year's qemu-6.2, and the Granule
Protection Check was done at the wrong level.  I have integrated the
GPC into the normal arm_cpu_tlb_fill code path.

The first two patches are bug fixes that are unrelated to RME.
The bug fixed by the second patch was uncovered by the VTCR_EL2
setting used by the Realm Management Monitor included with TF-A.

The final patch is more or less a hack, required by Huawei's changes
to TF-A.  Given that current TF-A supports QEMU virt board, using FDT,
I think the correct solution going forward is to *not* skip creating
the fdt node.  I have not yet tried to build mainline TF-A and TF-RMM,
or see what has been integrated into TF-A-TESTS.  See

    https://git.trustedfirmware.org/

for the relevant repos.


r~


Richard Henderson (22):
  target/arm: Fix pmsav8 stage2 secure parameter
  target/arm: Rewrite check_s2_mmu_setup
  target/arm: Add isar_feature_aa64_rme
  target/arm: Update SCR and HCR for RME
  target/arm: SCR_EL3.NS may be RES1
  target/arm: Add RME cpregs
  target/arm: Introduce ARMSecuritySpace
  include/exec/memattrs: Add two bits of space to MemTxAttrs
  target/arm: Adjust the order of Phys and Stage2 ARMMMUIdx
  target/arm: Introduce ARMMMUIdx_Phys_{Realm,Root}
  target/arm: Pipe ARMSecuritySpace through ptw.c
  target/arm: NSTable is RES0 for the RME EL3 regime
  target/arm: Handle Block and Page bits for security space
  target/arm: Handle no-execute for Realm and Root regimes
  target/arm: Use get_phys_addr_with_struct in S1_ptw_translate
  target/arm: Move s1_is_El0 into S1Translate
  target/arm: Use get_phys_addr_with_struct for stage2
  target/arm: Add GPC syndrome
  target/arm: Implement GPC exceptions
  target/arm: Implement the granule protection check
  target/arm: Enable RME for -cpu max
  hw/arm/virt: Add some memory for Realm Management Monitor

 include/exec/memattrs.h |   9 +-
 include/hw/arm/virt.h   |   2 +
 target/arm/cpu-param.h  |   2 +-
 target/arm/cpu.h        | 143 ++++++--
 target/arm/internals.h  |  27 ++
 target/arm/syndrome.h   |   9 +
 hw/arm/virt.c           |  43 +++
 target/arm/cpu.c        |   4 +
 target/arm/cpu64.c      |  37 ++
 target/arm/helper.c     | 138 +++++++-
 target/arm/ptw.c        | 749 ++++++++++++++++++++++++++++++----------
 target/arm/tlb_helper.c |  92 ++++-
 12 files changed, 1030 insertions(+), 225 deletions(-)

-- 
2.34.1