[PATCH 0/4] AIA local interrupt CSR support

[Anup Patel <anup.patel@wdc.com>]

The advanced interrupt architecture (AIA) extends the per-HART local
interrupt support. Along with this, it also adds IMSIC (MSI contrllor)
and Advanced PLIC (wired interrupt controller).

The latest AIA draft specification can be found here:
http://jhauser.us/private/RISCV-AIA/riscv-interrupts-021.pdf

This series adds initial AIA support in QEMU which includes emulating all
AIA local CSR. To enable AIA in QEMU, we just need to pass "x-aia=true"
paramenter in "-cpu" QEMU command-line.

To test series, we require OpenSBI and Linux with AIA support which
can be found in riscv_aia_v1 branch at:
https://github.com/avpatel/opensbi.git
https://github.com/avpatel/linux.git

Anup Patel (4):
  target/riscv: Add defines for AIA local interrupt CSRs
  target/riscv: Add CPU feature for AIA CSRs
  target/riscv: Implement AIA local interrupt CSRs
  hw/riscv: virt: Use AIA INTC compatible string when available

 hw/riscv/virt.c           |   11 +-
 target/riscv/cpu.c        |   32 +-
 target/riscv/cpu.h        |   56 +-
 target/riscv/cpu_bits.h   |  128 +++++
 target/riscv/cpu_helper.c |  245 ++++++++-
 target/riscv/csr.c        | 1059 +++++++++++++++++++++++++++++++++++--
 target/riscv/machine.c    |   26 +-
 7 files changed, 1454 insertions(+), 103 deletions(-)

-- 
2.25.1