Re: [RFC PATCH v3 00/27] Add LoongArch softmmu support.

[yangxiaojuan]

Ping!

Please help review the V3 patch, thank you!

On 12/04/2021 08:06 PM, Xiaojuan Yang wrote:
> This series patch add softmmu support for LoongArch.
> Base on the linux-user emulation support V13 patch.
>   * 
> 1638610165-15036-1-git-send-email-gaosong@loongson.cn/">https://patchew.org/QEMU/1638610165-15036-1-git-send-email-gaosong@loongson.cn/
> The latest kernel:
>   * https://github.com/loongson/linux/tree/loongarch-next
> The manual:
>   * 
> https://github.com/loongson/LoongArch-Documentation/releases/tag/2021.10.11
> 
> Changes for v3:
> 1.Target code mainly follow Richard's code review comments.
> 2.Put the csr and iocsr read/write instruction emulate into 2 different patch.
> 3.Simply the tlb emulation.
> 4.Delete some unused csr registers defintion.
> 5.Machine and board code mainly follow Mark's advice, discard the obsolete 
> interface.
> 6.NUMA function is removed for it is not completed.
> 7.Adjust some format problem and the Naming problem 
> 
> Changes for v2:
> 1.Combine patch 2 and 3 into one.
> 2.Adjust the order of the patch.
> 3.Put all the binaries on the github.
> 4.Modify some emulate errors when use the kernel from the github.
> 5.Adjust some format problem and the Naming problem 
> 6.Others mainly follow Richard's code review comments.
> 
> Please help review!
> 
> Thanks
> 
> Xiaojuan Yang (27):
>   target/loongarch: Update README
>   target/loongarch: Add CSR registers definition
>   target/loongarch: Add basic vmstate description of CPU.
>   target/loongarch: Implement qmp_query_cpu_definitions()
>   target/loongarch: Add stabletimer support
>   target/loongarch: Add MMU support for LoongArch CPU.
>   target/loongarch: Add LoongArch CSR instruction
>   target/loongarch: Add LoongArch IOCSR instruction
>   target/loongarch: Add TLB instruction support
>   target/loongarch: Add other core instructions support
>   target/loongarch: Add LoongArch interrupt and exception handle
>   target/loongarch: Add timer related instructions support.
>   target/loongarch: Add gdb support.
>   hw/pci-host: Add ls7a1000 PCIe Host bridge support for Loongson3
>     Platform
>   hw/loongarch: Add support loongson3-ls7a machine type.
>   hw/loongarch: Add LoongArch cpu interrupt support(CPUINTC)
>   hw/loongarch: Add LoongArch ipi interrupt support(IPI)
>   hw/intc: Add LoongArch ls7a interrupt controller support(PCH-PIC)
>   hw/intc: Add LoongArch ls7a msi interrupt controller support(PCH-MSI)
>   hw/intc: Add LoongArch extioi interrupt controller(EIOINTC)
>   hw/loongarch: Add irq hierarchy for the system
>   hw/loongarch: Add some devices support for 3A5000.
>   hw/loongarch: Add LoongArch ls7a rtc device support
>   hw/loongarch: Add default bios startup support.
>   hw/loongarch: Add -kernel and -initrd options support
>   hw/loongarch: Add LoongArch smbios support
>   hw/loongarch: Add LoongArch acpi support
> 
>  .../devices/loongarch64-softmmu/default.mak   |   3 +
>  configs/targets/loongarch64-softmmu.mak       |   4 +
>  gdb-xml/loongarch-base64.xml                  |  43 +
>  gdb-xml/loongarch-fpu64.xml                   |  57 ++
>  hw/Kconfig                                    |   1 +
>  hw/acpi/Kconfig                               |   4 +
>  hw/acpi/ls7a.c                                | 349 ++++++++
>  hw/acpi/meson.build                           |   1 +
>  hw/intc/Kconfig                               |  15 +
>  hw/intc/loongarch_extioi.c                    | 499 +++++++++++
>  hw/intc/loongarch_ipi.c                       | 162 ++++
>  hw/intc/loongarch_pch_msi.c                   |  67 ++
>  hw/intc/loongarch_pch_pic.c                   | 357 ++++++++
>  hw/intc/meson.build                           |   4 +
>  hw/intc/trace-events                          |  21 +
>  hw/loongarch/Kconfig                          |  23 +
>  hw/loongarch/acpi-build.c                     | 637 ++++++++++++++
>  hw/loongarch/fw_cfg.c                         |  33 +
>  hw/loongarch/fw_cfg.h                         |  15 +
>  hw/loongarch/loongson3.c                      | 509 +++++++++++
>  hw/loongarch/meson.build                      |   6 +
>  hw/meson.build                                |   1 +
>  hw/pci-host/Kconfig                           |   4 +
>  hw/pci-host/ls7a.c                            | 214 +++++
>  hw/pci-host/meson.build                       |   1 +
>  hw/rtc/Kconfig                                |   3 +
>  hw/rtc/ls7a_rtc.c                             | 323 +++++++
>  hw/rtc/meson.build                            |   1 +
>  include/exec/poison.h                         |   2 +
>  include/hw/acpi/ls7a.h                        |  53 ++
>  include/hw/intc/loongarch_extioi.h            |  69 ++
>  include/hw/intc/loongarch_ipi.h               |  47 ++
>  include/hw/intc/loongarch_pch_msi.h           |  21 +
>  include/hw/intc/loongarch_pch_pic.h           |  61 ++
>  include/hw/loongarch/loongarch.h              |  68 ++
>  include/hw/pci-host/ls7a.h                    |  79 ++
>  include/sysemu/arch_init.h                    |   1 +
>  linux-user/loongarch64/cpu_loop.c             |   8 +-
>  qapi/machine-target.json                      |   6 +-
>  qapi/machine.json                             |   2 +-
>  softmmu/qdev-monitor.c                        |   3 +-
>  target/Kconfig                                |   1 +
>  target/loongarch/Kconfig                      |   2 +
>  target/loongarch/README                       |  20 +
>  target/loongarch/cpu-csr.h                    | 236 ++++++
>  target/loongarch/cpu-param.h                  |   2 +-
>  target/loongarch/cpu.c                        | 402 ++++++++-
>  target/loongarch/cpu.h                        | 216 ++++-
>  target/loongarch/csr_helper.c                 | 112 +++
>  target/loongarch/disas.c                      |  57 ++
>  target/loongarch/fpu_helper.c                 |   2 +-
>  target/loongarch/gdbstub.c                    |  97 +++
>  target/loongarch/helper.h                     |  26 +
>  target/loongarch/insn_trans/trans_core.c.inc  | 409 +++++++++
>  target/loongarch/insn_trans/trans_extra.c.inc |  36 +-
>  target/loongarch/insns.decode                 |  44 +
>  target/loongarch/internals.h                  |  29 +
>  target/loongarch/iocsr_helper.c               | 109 +++
>  target/loongarch/machine.c                    | 104 +++
>  target/loongarch/meson.build                  |  11 +
>  target/loongarch/op_helper.c                  |  56 ++
>  target/loongarch/stabletimer.c                |  63 ++
>  target/loongarch/tlb_helper.c                 | 789 ++++++++++++++++++
>  target/loongarch/translate.c                  |   9 +-
>  64 files changed, 6579 insertions(+), 30 deletions(-)
>  create mode 100644 configs/devices/loongarch64-softmmu/default.mak
>  create mode 100644 configs/targets/loongarch64-softmmu.mak
>  create mode 100644 gdb-xml/loongarch-base64.xml
>  create mode 100644 gdb-xml/loongarch-fpu64.xml
>  create mode 100644 hw/acpi/ls7a.c
>  create mode 100644 hw/intc/loongarch_extioi.c
>  create mode 100644 hw/intc/loongarch_ipi.c
>  create mode 100644 hw/intc/loongarch_pch_msi.c
>  create mode 100644 hw/intc/loongarch_pch_pic.c
>  create mode 100644 hw/loongarch/Kconfig
>  create mode 100644 hw/loongarch/acpi-build.c
>  create mode 100644 hw/loongarch/fw_cfg.c
>  create mode 100644 hw/loongarch/fw_cfg.h
>  create mode 100644 hw/loongarch/loongson3.c
>  create mode 100644 hw/loongarch/meson.build
>  create mode 100644 hw/pci-host/ls7a.c
>  create mode 100644 hw/rtc/ls7a_rtc.c
>  create mode 100644 include/hw/acpi/ls7a.h
>  create mode 100644 include/hw/intc/loongarch_extioi.h
>  create mode 100644 include/hw/intc/loongarch_ipi.h
>  create mode 100644 include/hw/intc/loongarch_pch_msi.h
>  create mode 100644 include/hw/intc/loongarch_pch_pic.h
>  create mode 100644 include/hw/loongarch/loongarch.h
>  create mode 100644 include/hw/pci-host/ls7a.h
>  create mode 100644 target/loongarch/Kconfig
>  create mode 100644 target/loongarch/cpu-csr.h
>  create mode 100644 target/loongarch/csr_helper.c
>  create mode 100644 target/loongarch/gdbstub.c
>  create mode 100644 target/loongarch/insn_trans/trans_core.c.inc
>  create mode 100644 target/loongarch/iocsr_helper.c
>  create mode 100644 target/loongarch/machine.c
>  create mode 100644 target/loongarch/stabletimer.c
>  create mode 100644 target/loongarch/tlb_helper.c
>