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Re: [RFC PATCH v1 00/12] Arm: Enable GICv3 for AArch32


  • To: xen-devel@xxxxxxxxxxxxxxxxxxxx
  • From: Ayan Kumar Halder <ayankuma@xxxxxxx>
  • Date: Mon, 24 Oct 2022 19:23:14 +0100
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On 24/10/2022 19:19, Ayan Kumar Halder wrote:
Hi All,

Please find the following patches to enable GICv3 for AArch32.
This is a pre-requisite to support Xen on Cortex-R52 (AArch32-v8R system)

Let me know your thoughts.
NACK. Please ignore this. I have sent by mistake.

Ayan Kumar Halder (12):
   Arm: GICv3: Sysreg emulation is applicable for Aarch64 only
   Arm: GICv3: Move the macros to compute the affnity level to
     arm64/arm32
   Arm: GICv3: Enable vreg_reg64_* macros for AArch32
   Arm: GICv3: Emulate GICR_TYPER on AArch32
   Arm: GICv3: Emulate GICR_PENDBASER and GICR_PROPBASER on AArch32
   Arm: GICv3: Emulate of ICC_SGI1R on AArch32
   Arm: GICv3: Emulate ICH_LR<n>_EL2 on AArch32
   Arm: GICv3: Define ICH_AP0R<n> and ICH_AP1R<n> for AArch32
   Arm: GICv3: Define GIC registers for AArch32
   Arm: GICv3: Use ULL instead of UL for 64bits
   Arm: GICv3: Define macros to read/write 64 bit
   Arm: GICv3: Enable GICv3 for AArch32

  xen/arch/arm/Kconfig                       |   2 +-
  xen/arch/arm/gic-v3-its.c                  |  20 ++--
  xen/arch/arm/gic-v3-lpi.c                  |   8 +-
  xen/arch/arm/gic-v3.c                      | 132 ++++++++++-----------
  xen/arch/arm/include/asm/arm32/io.h        |   4 +
  xen/arch/arm/include/asm/arm32/processor.h |  10 ++
  xen/arch/arm/include/asm/arm32/sysregs.h   |  80 +++++++++++++
  xen/arch/arm/include/asm/arm64/processor.h |  13 ++
  xen/arch/arm/include/asm/arm64/sysregs.h   |   7 +-
  xen/arch/arm/include/asm/cpufeature.h      |   1 +
  xen/arch/arm/include/asm/gic_v3_defs.h     |  24 ++--
  xen/arch/arm/include/asm/gic_v3_its.h      |   2 +-
  xen/arch/arm/include/asm/processor.h       |  14 ---
  xen/arch/arm/include/asm/vreg.h            |  23 ++--
  xen/arch/arm/vgic-v3-its.c                 |  17 +--
  xen/arch/arm/vgic-v3.c                     |  26 ++--
  16 files changed, 242 insertions(+), 141 deletions(-)




 


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