Re: [PATCH v20 00/13] Add LoongArch linux-user emulation support

[gaosong]

Hi, Richard

On 2022/6/24 上午11:10, Song Gao wrote:

> Hi All,
>
> This series adds support linux-user emulation.
> As the LoongArch kernel had merged into 5.19-rc1,
> you can see the latest kernel at https://kernel.org
>
> Need review patch:
>
>   0002-linux-user-Add-LoongArch-signal-support.patch
>
> V20:
>   - Update signal.c, we should't set sc_extcontext[0] on
>     setup_sigcontext;
>
> V19:
>   - Update signal.c, add fpu info, fpu_context and end info to
>     target_rt_sigframe.
>
> V18:
>   - Update signal.c, add set fpu_context'magic, update parse_extcontext()
>     and remove some cast.
>
> V17:
>   - Split v16 patch7 to  patch7-11, and fix some bugs for system-mode;
>   - Update signal.c, add parse_extcontext();
>   - Add get_elf_hwcap(), and ELF_PLATFORM.
>
> V16:
>   - Update signal.c;
>   - Update helper_rdtime_d();
>   - Update scripts/gensyscalls.sh, fixed a warning.
>
> v15:
>   - Rebase;
>   - Update README;
>   - Adjust some functions and structure to support user-mode;
>   - Update syscall;
>   - Update target_sigcontext;
>
> Old series:
>    - 20220623085526.1678168-1-gaosong@loongson.cn/">https://patchew.org/QEMU/20220623085526.1678168-1-gaosong@loongson.cn/
>
> Test:
>    make check  && make check-tcg  &&  run LoongArch bash
>
> Thanks.
> Song Gao
>
>
> Song Gao (13):
>   linux-user: Add LoongArch generic header files
>   linux-user: Add LoongArch signal support
>   linux-user: Add LoongArch elf support
>   linux-user: Add LoongArch syscall support
>   linux-user: Add LoongArch cpu_loop support
>   scripts: add loongarch64 binfmt config
>   target/loongarch: remove badaddr from CPULoongArch
>   target/loongarch: Fix missing update CSR_BADV
>   target/loongarch: Fix helper_asrtle_d/asrtgt_d raise wrong exception
>   target/loongarch: remove unused include hw/loader.h
>   target/loongarch: Adjust functions and structure to support user-mode
>   default-configs: Add loongarch linux-user support
>   target/loongarch: Update README
>

Sorry for disturbing you,   Should we need some changes or tests with this series? 

    Thanks. 
    Song Gao
>  configs/targets/loongarch64-linux-user.mak    |   3 +
>  linux-user/elfload.c                          |  91 +++++
>  linux-user/loongarch64/cpu_loop.c             |  96 ++++++
>  linux-user/loongarch64/signal.c               | 326 ++++++++++++++++++
>  linux-user/loongarch64/sockbits.h             |  11 +
>  linux-user/loongarch64/syscall_nr.h           | 312 +++++++++++++++++
>  linux-user/loongarch64/target_cpu.h           |  34 ++
>  linux-user/loongarch64/target_elf.h           |  12 +
>  linux-user/loongarch64/target_errno_defs.h    |  12 +
>  linux-user/loongarch64/target_fcntl.h         |  11 +
>  linux-user/loongarch64/target_prctl.h         |   1 +
>  linux-user/loongarch64/target_resource.h      |  11 +
>  linux-user/loongarch64/target_signal.h        |  13 +
>  linux-user/loongarch64/target_structs.h       |  11 +
>  linux-user/loongarch64/target_syscall.h       |  48 +++
>  linux-user/loongarch64/termbits.h             |  11 +
>  linux-user/syscall_defs.h                     |   6 +-
>  scripts/gensyscalls.sh                        |   2 +
>  scripts/qemu-binfmt-conf.sh                   |   6 +-
>  target/loongarch/README                       |  39 ++-
>  target/loongarch/cpu.c                        |  34 +-
>  target/loongarch/cpu.h                        |   8 +-
>  target/loongarch/gdbstub.c                    |   2 +-
>  target/loongarch/helper.h                     |   2 +
>  .../insn_trans/trans_privileged.c.inc         |  36 ++
>  target/loongarch/internals.h                  |   2 +
>  target/loongarch/op_helper.c                  |  10 +-
>  27 files changed, 1135 insertions(+), 15 deletions(-)
>  create mode 100644 configs/targets/loongarch64-linux-user.mak
>  create mode 100644 linux-user/loongarch64/cpu_loop.c
>  create mode 100644 linux-user/loongarch64/signal.c
>  create mode 100644 linux-user/loongarch64/sockbits.h
>  create mode 100644 linux-user/loongarch64/syscall_nr.h
>  create mode 100644 linux-user/loongarch64/target_cpu.h
>  create mode 100644 linux-user/loongarch64/target_elf.h
>  create mode 100644 linux-user/loongarch64/target_errno_defs.h
>  create mode 100644 linux-user/loongarch64/target_fcntl.h
>  create mode 100644 linux-user/loongarch64/target_prctl.h
>  create mode 100644 linux-user/loongarch64/target_resource.h
>  create mode 100644 linux-user/loongarch64/target_signal.h
>  create mode 100644 linux-user/loongarch64/target_structs.h
>  create mode 100644 linux-user/loongarch64/target_syscall.h
>  create mode 100644 linux-user/loongarch64/termbits.h
>
>