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[Qemu-riscv] [PULL] RISC-V Patches for the 4.2 Soft Freeze, Part 1

From: Palmer Dabbelt
Subject: [Qemu-riscv] [PULL] RISC-V Patches for the 4.2 Soft Freeze, Part 1
Date: Tue, 10 Sep 2019 12:04:26 -0700

The following changes since commit 89ea03a7dc83ca36b670ba7f787802791fcb04b1:

  Merge remote-tracking branch 'remotes/huth-gitlab/tags/m68k-pull-2019-09-07' 
into staging (2019-09-09 09:48:34 +0100)

are available in the Git repository at:

  git://github.com/palmer-dabbelt/qemu.git tags/riscv-for-master-4.2-sf1

for you to fetch changes up to 1b2d0961bfaaa2db3a237f53273527b6c5e3498a:

  target/riscv: Use TB_FLAGS_MSTATUS_FS for floating point (2019-09-10 06:08:42 

RISC-V Patches for the 4.2 Soft Freeze, Part 1

This contains quite a few patches that I'd like to target for 4.2.
They're mostly emulation fixes for the sifive_u board, which now much
more closely matches the hardware and can therefor run the same fireware
as what gets loaded onto the board.  Additional user-visible
improvements include:

* support for loading initrd files from the command line into Linux, via
  /chosen/linux,initrd-{start,end} device tree nodes.
* The conversion of LOG_TRACE to trace events.
* The addition of clock DT nodes for our uart and ethernet.

This also includes some preliminary work for the H extension patches,
but does not include the H extension patches as I haven't had time to
review them yet.

This passes my OE boot test on 32-bit and 64-bit virt machines, as well
as a 64-bit upstream Linux boot on the sifive_u machine.

Alistair Francis (5):
      riscv: plic: Remove unused interrupt functions
      target/riscv: Create function to test if FP is enabled
      target/riscv: Update the Hypervisor CSRs to v0.4
      target/riscv: Fix mstatus dirty mask
      target/riscv: Use TB_FLAGS_MSTATUS_FS for floating point

Atish Patra (1):
      target/riscv: Use both register name and ABI name

Bin Meng (36):
      riscv: rv32: Root page table address can be larger than 32-bit
      riscv: Add a helper routine for finding firmware
      riscv: Resolve full path of the given bios image
      riscv: hmp: Add a command to show virtual memory mappings
      riscv: sifive_test: Add reset functionality
      riscv: hw: Remove duplicated "hw/hw.h" inclusion
      riscv: hw: Remove superfluous "linux, phandle" property
      riscv: hw: Use qemu_fdt_setprop_cell() for property with only 1 cell
      riscv: hw: Remove not needed PLIC properties in device tree
      riscv: hw: Change create_fdt() to return void
      riscv: hw: Change to use qemu_log_mask(LOG_GUEST_ERROR, ...) instead
      riscv: hw: Remove the unnecessary include of target/riscv/cpu.h
      riscv: roms: Remove executable attribute of opensbi images
      riscv: sifive_u: Remove the unnecessary include of prci header
      riscv: sifive: Rename sifive_prci.{c, h} to sifive_e_prci.{c, h}
      riscv: sifive_e: prci: Fix a typo of hfxosccfg register programming
      riscv: sifive_e: prci: Update the PRCI register block size
      riscv: sifive_e: Drop sifive_mmio_emulate()
      riscv: Add a sifive_cpu.h to include both E and U cpu type defines
      riscv: hart: Extract hart realize to a separate routine
      riscv: hart: Add a "hartid-base" property to RISC-V hart array
      riscv: sifive_u: Set the minimum number of cpus to 2
      riscv: sifive_u: Update hart configuration to reflect the real FU540 SoC
      riscv: sifive_u: Update PLIC hart topology configuration string
      riscv: sifive: Implement PRCI model for FU540
      riscv: sifive_u: Generate hfclk and rtcclk nodes
      riscv: sifive_u: Add PRCI block to the SoC
      riscv: sifive_u: Reference PRCI clocks in UART and ethernet nodes
      riscv: sifive_u: Update UART base addresses and IRQs
      riscv: sifive_u: Change UART node name in device tree
      riscv: roms: Update default bios for sifive_u machine
      riscv: sifive: Implement a model for SiFive FU540 OTP
      riscv: sifive_u: Instantiate OTP memory with a serial number
      riscv: sifive_u: Fix broken GEM support
      riscv: sifive_u: Remove handcrafted clock nodes for UART and ethernet
      riscv: sifive_u: Update model and compatible strings in device tree

Guenter Roeck (3):
      riscv: sifive_u: Add support for loading initrd
      riscv: sivive_u: Add dummy serial clock and aliases entry for uart
      riscv: sifive_u: Fix clock-names property for ethernet node

Philippe Mathieu-Daudé (2):
      target/riscv/pmp: Restrict priviledged PMP to system-mode emulation
      target/riscv/pmp: Convert qemu_log_mask(LOG_TRACE) to trace events

 hmp-commands-info.hx                         |   2 +-
 hw/riscv/Kconfig                             |   2 +
 hw/riscv/Makefile.objs                       |   4 +-
 hw/riscv/boot.c                              |  26 ++-
 hw/riscv/riscv_hart.c                        |  34 ++--
 hw/riscv/sifive_e.c                          |  27 ++-
 hw/riscv/sifive_e_prci.c                     | 124 +++++++++++++
 hw/riscv/sifive_plic.c                       |  12 --
 hw/riscv/sifive_prci.c                       | 125 -------------
 hw/riscv/sifive_test.c                       |  11 +-
 hw/riscv/sifive_u.c                          | 252 +++++++++++++++++++--------
 hw/riscv/sifive_u_otp.c                      | 191 ++++++++++++++++++++
 hw/riscv/sifive_u_prci.c                     | 169 ++++++++++++++++++
 hw/riscv/sifive_uart.c                       |  10 +-
 hw/riscv/spike.c                             |   1 -
 hw/riscv/virt.c                              |  40 ++---
 include/hw/riscv/boot.h                      |   1 +
 include/hw/riscv/riscv_hart.h                |   1 +
 include/hw/riscv/sifive_cpu.h                |  31 ++++
 include/hw/riscv/sifive_e.h                  |   7 +-
 include/hw/riscv/sifive_e_prci.h             |  71 ++++++++
 include/hw/riscv/sifive_plic.h               |   3 -
 include/hw/riscv/sifive_prci.h               |  71 --------
 include/hw/riscv/sifive_test.h               |   3 +-
 include/hw/riscv/sifive_u.h                  |  31 ++--
 include/hw/riscv/sifive_u_otp.h              |  80 +++++++++
 include/hw/riscv/sifive_u_prci.h             |  91 ++++++++++
 pc-bios/opensbi-riscv32-virt-fw_jump.bin     | Bin
 pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin | Bin 40968 -> 45064 bytes
 pc-bios/opensbi-riscv64-virt-fw_jump.bin     | Bin
 roms/Makefile                                |   4 +-
 target/riscv/Makefile.objs                   |   7 +-
 target/riscv/cpu.c                           |  19 +-
 target/riscv/cpu.h                           |   6 +-
 target/riscv/cpu_bits.h                      |  35 ++--
 target/riscv/cpu_helper.c                    |  20 ++-
 target/riscv/csr.c                           |  22 +--
 target/riscv/monitor.c                       | 229 ++++++++++++++++++++++++
 target/riscv/pmp.c                           |  35 ++--
 target/riscv/trace-events                    |   6 +
 40 files changed, 1361 insertions(+), 442 deletions(-)
 create mode 100644 hw/riscv/sifive_e_prci.c
 delete mode 100644 hw/riscv/sifive_prci.c
 create mode 100644 hw/riscv/sifive_u_otp.c
 create mode 100644 hw/riscv/sifive_u_prci.c
 create mode 100644 include/hw/riscv/sifive_cpu.h
 create mode 100644 include/hw/riscv/sifive_e_prci.h
 delete mode 100644 include/hw/riscv/sifive_prci.h
 create mode 100644 include/hw/riscv/sifive_u_otp.h
 create mode 100644 include/hw/riscv/sifive_u_prci.h
 mode change 100755 => 100644 pc-bios/opensbi-riscv32-virt-fw_jump.bin
 mode change 100755 => 100644 pc-bios/opensbi-riscv64-sifive_u-fw_jump.bin
 mode change 100755 => 100644 pc-bios/opensbi-riscv64-virt-fw_jump.bin
 create mode 100644 target/riscv/monitor.c

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