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[0/5] riscv: add support for Zaamo and Zalrsc extensions

Message ID 20240619153913.867263-1-cleger@rivosinc.com
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Series riscv: add support for Zaamo and Zalrsc extensions | expand

Message

Clément Léger June 19, 2024, 3:39 p.m. UTC 
Since commit e87412e621f1 ("integrate Zaamo and Zalrsc text (#1304)"),
the A extension has been described as a set of instructions provided by
Zaamo and Zalrsc. Add these two extensions.

This series is based on the Zc one [1].

Link: https://lore.kernel.org/linux-riscv/20240619113529.676940-1-cleger@rivosinc.com/

---

Clément Léger (5):
  dt-bindings: riscv: add Zaamo and Zalrsc ISA extension description
  riscv: add parsing for Zaamo and Zalrsc extensions
  riscv: hwprobe: export Zaamo and Zalrsc extensions
  RISC-V: KVM: Allow Zaamo/Zalrsc extensions for Guest/VM
  KVM: riscv: selftests: Add Zaamo/Zalrsc extensions to get-reg-list
    test

 Documentation/arch/riscv/hwprobe.rst          |  8 ++++++++
 .../devicetree/bindings/riscv/extensions.yaml | 19 +++++++++++++++++++
 arch/riscv/include/asm/hwcap.h                |  2 ++
 arch/riscv/include/uapi/asm/hwprobe.h         |  2 ++
 arch/riscv/include/uapi/asm/kvm.h             |  2 ++
 arch/riscv/kernel/cpufeature.c                |  9 ++++++++-
 arch/riscv/kernel/sys_hwprobe.c               |  2 ++
 arch/riscv/kvm/vcpu_onereg.c                  |  4 ++++
 .../selftests/kvm/riscv/get-reg-list.c        |  8 ++++++++
 9 files changed, 55 insertions(+), 1 deletion(-)