[Qemu-riscv] [PULL] RISC-V Patches for the 4.1 Soft Freeze, Part 2

[Palmer Dabbelt]

merged tag 'mips-queue-jun-21-2019'
The following changes since commit 474f3938d79ab36b9231c9ad3b5a9314c2aeacde:

  Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jun-21-2019' 
into staging (2019-06-21 15:40:50 +0100)

are available in the Git repository at:

  git://github.com/palmer-dabbelt/qemu.git tags/riscv-for-master-4.1-sf1

for you to fetch changes up to c08a8317e31033ec76b8460a0b75cbcdaeeef481:

  hw/riscv: Load OpenSBI as the default firmware (2019-06-27 02:47:06 -0700)

----------------------------------------------------------------
RISC-V Patches for the 4.1 Soft Freeze, Part 2

This pull request contains a handful of patches that I'd like to target
for the 4.1 soft freeze.  There are a handful of new features:

* The -bios option now works sanely, including both a built-in copy of
  OpenSBI and the ability to load external versions.  Users no longer
  need to figure out how to build their own firmware.
* Support for the 1.11.0, the latest privileged specification.
* Support for reading and writing the PRCI registers.
* Better control over the ISA of the target machine.
* Support for the cpu-topology device tree node.

Additionally, there are a handful of bug fixes including:

* Load reservations are now broken by both store conditional and by
  scheduling, which fixes issues with parallel applications.
* Various fixes to the PMP implementation.
* Fixes to the 32-bit linux-user syscall ABI.
* Various fixes for instruction decodeing.
* A fix to the PCI device tree "bus-range" property.

This boots 32-bit and 64-bit OpenEmbedded.

----------------------------------------------------------------
Alistair Francis (14):
      target/riscv: Allow setting ISA extensions via CPU props
      target/riscv: Restructure deprecatd CPUs
      target/riscv: Add the privledge spec version 1.11.0
      target/riscv: Add the mcountinhibit CSR
      target/riscv: Set privledge spec 1.11.0 as default
      qemu-deprecated.texi: Deprecate the RISC-V privledge spec 1.09.1
      target/riscv: Require either I or E base extension
      target/riscv: Remove user version information
      target/riscv: Add support for disabling/enabling Counters
      hw/riscv: Split out the boot functions
      hw/riscv: Add support for loading a firmware
      hw/riscv: Extend the kernel loading support
      roms: Add OpenSBI version 0.3
      hw/riscv: Load OpenSBI as the default firmware

Atish Patra (1):
      riscv: virt: Add cpu-topology DT node.

Bin Meng (3):
      riscv: virt: Correct pci "bus-range" encoding
      riscv: sifive_u: Do not create hard-coded phandles in DT
      riscv: sifive_u: Update the plic hart config to support multicore

Dayeol Lee (1):
      target/riscv: Fix PMP range boundary address bug

Hesham Almatary (6):
      RISC-V: Only Check PMP if MMU translation succeeds
      RISC-V: Raise access fault exceptions on PMP violations
      RISC-V: Check for the effective memory privilege mode during PMP checks
      RISC-V: Check PMP during Page Table Walks
      RISC-V: Fix a PMP bug where it succeeds even if PMP entry is off
      RISC-V: Fix a PMP check with the correct access size

Jim Wilson (1):
      RISC-V: Update syscall list for 32-bit support.

Joel Sing (1):
      RISC-V: Clear load reservations on context switch and SC

Michael Clark (2):
      target/riscv: Implement riscv_cpu_unassigned_access
      disas/riscv: Disassemble reserved compressed encodings as illegal

Nathaniel Graff (1):
      sifive_prci: Read and write PRCI registers

Palmer Dabbelt (3):
      RISC-V: Fix a memory leak when realizing a sifive_e
      RISC-V: Add support for the Zifencei extension
      RISC-V: Add support for the Zicsr extension

Wladimir J. van der Laan (1):
      disas/riscv: Fix `rdinstreth` constraint

 .gitmodules                                    |   3 +
 Makefile                                       |   5 +-
 disas/riscv.c                                  |  65 ++++++++---
 hw/riscv/Makefile.objs                         |   1 +
 hw/riscv/boot.c                                | 154 +++++++++++++++++++++++++
 hw/riscv/sifive_e.c                            |  30 ++---
 hw/riscv/sifive_prci.c                         |  49 ++++++--
 hw/riscv/sifive_u.c                            |  55 +++++----
 hw/riscv/spike.c                               |  21 +---
 hw/riscv/virt.c                                |  84 ++++++--------
 include/hw/riscv/boot.h                        |  32 +++++
 include/hw/riscv/sifive_e.h                    |   2 +
 include/hw/riscv/sifive_prci.h                 |  32 +++++
 linux-user/riscv/syscall_nr.h                  |  15 ++-
 pc-bios/opensbi-riscv32-virt-fw_jump.bin       | Bin 0 -> 28848 bytes
 pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin   | Bin 0 -> 28904 bytes
 pc-bios/opensbi-riscv64-virt-fw_jump.bin       | Bin 0 -> 28904 bytes
 qemu-deprecated.texi                           |  28 +++++
 roms/Makefile                                  |  48 ++++++--
 roms/opensbi                                   |   1 +
 target/riscv/cpu.c                             | 137 ++++++++++++++++------
 target/riscv/cpu.h                             |  33 ++++--
 target/riscv/cpu_bits.h                        |   1 +
 target/riscv/cpu_helper.c                      |  55 ++++++++-
 target/riscv/csr.c                             |  30 ++++-
 target/riscv/insn_trans/trans_privileged.inc.c |   2 +-
 target/riscv/insn_trans/trans_rva.inc.c        |   8 +-
 target/riscv/insn_trans/trans_rvi.inc.c        |   4 +
 target/riscv/pmp.c                             |  17 +--
 target/riscv/pmp.h                             |   2 +-
 target/riscv/translate.c                       |   3 +
 31 files changed, 705 insertions(+), 212 deletions(-)
 create mode 100644 hw/riscv/boot.c
 create mode 100644 include/hw/riscv/boot.h
 create mode 100644 pc-bios/opensbi-riscv32-virt-fw_jump.bin
 create mode 100644 pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin
 create mode 100644 pc-bios/opensbi-riscv64-virt-fw_jump.bin
 create mode 160000 roms/opensbi