Re: [PULL 00/68] nios2 patch queue

[Richard Henderson <richard.henderson@linaro.org>]

On 4/26/22 11:17, Richard Henderson wrote:
> The following changes since commit a1755db71e34df016ffc10aa0727360aae2c6036:
> 
>    Merge tag 'pull-block-2022-04-25' of https://gitlab.com/hreitz/qemu into staging (2022-04-25 13:35:41 -0700)
> 
> are available in the Git repository at:
> 
>    https://gitlab.com/rth7680/qemu.git tags/pull-nios2-20220426
> 
> for you to fetch changes up to 7f176c5a0bcb70492f3b158a36311e75f1eb87d7:
> 
>    tests/tcg/nios2: Add test-shadow-1 (2022-04-26 08:17:10 -0700)
> 
> ----------------------------------------------------------------
> Fix nios2-linux-user syscalls.
> Fix nios2-linux-user sigreturn.
> Enable tests for nios2-linux-user.
> Remove special handling of SIGSEGV.
> Check supervisor for eret, bret.
> Split special registers out of env->regs[].
> Clean up interrupt processing.
> Raise unaligned data and destination exceptions.
> Set TLBMISC fields correctly on exceptions.
> Prevent writes to read-only or reserved control fields.
> Use tcg_constant_tl().
> Implement shadow register sets.
> Implement external interrupt controller interface.
> Implement vectored interrupt controller.
> Enable semihosting tests for nios2-softmmu.

Applied, thanks.  Please update https://wiki.qemu.org/ChangeLog/7.1 as appropriate.


r~


> 
> ----------------------------------------------------------------
> Amir Gonnen (5):
>        target/nios2: Check supervisor on eret
>        target/nios2: Add NUM_GP_REGS and NUM_CP_REGS
>        target/nios2: Split out helper for eret instruction
>        hw/intc: Vectored Interrupt Controller (VIC)
>        hw/nios2: Machine with a Vectored Interrupt Controller
> 
> Richard Henderson (63):
>        linux-user/nios2: Hoist pc advance to the top of EXCP_TRAP
>        linux-user/nios2: Fix clone child return
>        linux-user/nios2: Drop syscall 0 "workaround"
>        linux-user/nios2: Adjust error return
>        linux-user/nios2: Handle special qemu syscall return values
>        linux-user/nios2: Remove do_sigreturn
>        linux-user/nios2: Use QEMU_ESIGRETURN from do_rt_sigreturn
>        tests/tcg/nios2: Re-enable linux-user tests
>        target/nios2: Remove user-only nios2_cpu_do_interrupt
>        target/nios2: Remove nios2_cpu_record_sigsegv
>        target/nios2: Build helper.c for system only
>        linux-user/nios2: Use force_sig_fault for EXCP_DEBUG
>        target/nios2: Stop generating code if gen_check_supervisor fails
>        target/nios2: Split PC out of env->regs[]
>        target/nios2: Fix BRET instruction
>        target/nios2: Do not create TCGv for control registers
>        linux-user/nios2: Only initialize SP and PC in target_cpu_copy_regs
>        target/nios2: Remove cpu_interrupts_enabled
>        target/nios2: Split control registers away from general registers
>        target/nios2: Clean up nios2_cpu_dump_state
>        target/nios2: Use hw/registerfields.h for CR_STATUS fields
>        target/nios2: Use hw/registerfields.h for CR_EXCEPTION fields
>        target/nios2: Use hw/registerfields.h for CR_TLBADDR fields
>        target/nios2: Use hw/registerfields.h for CR_TLBACC fields
>        target/nios2: Rename CR_TLBMISC_WR to CR_TLBMISC_WE
>        target/nios2: Use hw/registerfields.h for CR_TLBMISC fields
>        target/nios2: Move R_FOO and CR_BAR into enumerations
>        target/nios2: Create EXCP_SEMIHOST for semi-hosting
>        target/nios2: Clean up nios2_cpu_do_interrupt
>        target/nios2: Hoist CPU_LOG_INT logging
>        target/nios2: Handle EXCP_UNALIGN and EXCP_UNALIGND
>        target/nios2: Cleanup set of CR_EXCEPTION for do_interrupt
>        target/nios2: Clean up handling of tlbmisc in do_exception
>        target/nios2: Prevent writes to read-only or reserved control fields
>        target/nios2: Implement cpuid
>        target/nios2: Implement CR_STATUS.RSIE
>        target/nios2: Remove CPU_INTERRUPT_NMI
>        target/nios2: Support division error exception
>        target/nios2: Use tcg_constant_tl
>        target/nios2: Split out named structs for [IRJ]_TYPE
>        target/nios2: Split out helpers for gen_i_cmpxx
>        target/nios2: Split out helpers for gen_i_math_logic
>        target/nios2: Split out helpers for gen_r_math_logic
>        target/nios2: Split out helpers for gen_rr_mul_high
>        target/nios2: Split out helpers for gen_rr_shift
>        target/nios2: Introduce dest_gpr
>        target/nios2: Drop CR_STATUS_EH from tb->flags
>        target/nios2: Enable unaligned traps for system mode
>        target/nios2: Create gen_jumpr
>        target/nios2: Hoist set of is_jmp into gen_goto_tb
>        target/nios2: Use gen_goto_tb for DISAS_TOO_MANY
>        target/nios2: Use tcg_gen_lookup_and_goto_ptr
>        target/nios2: Implement Misaligned destination exception
>        target/nios2: Introduce shadow register sets
>        target/nios2: Implement rdprs, wrprs
>        target/nios2: Update helper_eret for shadow registers
>        target/nios2: Implement EIC interrupt processing
>        target/nios2: Advance pc when raising exceptions
>        linux-user/nios2: Handle various SIGILL exceptions
>        hw/nios2: Introduce Nios2MachineState
>        hw/nios2: Move memory regions into Nios2Machine
>        tests/tcg/nios2: Add semihosting multiarch tests
>        tests/tcg/nios2: Add test-shadow-1
> 
>   configs/targets/nios2-softmmu.mak       |   1 +
>   include/hw/intc/nios2_vic.h             |  64 +++
>   linux-user/nios2/target_cpu.h           |   1 +
>   target/nios2/cpu.h                      | 250 +++++++----
>   target/nios2/helper.h                   |   5 +
>   tests/tcg/nios2/semicall.h              |  28 ++
>   hw/intc/nios2_vic.c                     | 313 +++++++++++++
>   hw/nios2/10m50_devboard.c               | 115 +++--
>   linux-user/elfload.c                    |   3 +-
>   linux-user/nios2/cpu_loop.c             |  96 ++--
>   linux-user/nios2/signal.c               |  25 +-
>   target/nios2/cpu.c                      | 213 +++++++--
>   target/nios2/helper.c                   | 383 +++++++++-------
>   target/nios2/mmu.c                      |  78 ++--
>   target/nios2/op_helper.c                |  88 ++++
>   target/nios2/translate.c                | 749 ++++++++++++++++++++------------
>   hw/intc/Kconfig                         |   3 +
>   hw/intc/meson.build                     |   1 +
>   hw/nios2/Kconfig                        |   1 +
>   target/nios2/meson.build                |   7 +-
>   tests/tcg/nios2/10m50-ghrd.ld           |  66 +++
>   tests/tcg/nios2/Makefile.softmmu-target |  33 ++
>   tests/tcg/nios2/Makefile.target         |  11 -
>   tests/tcg/nios2/boot.S                  | 218 ++++++++++
>   tests/tcg/nios2/intr.S                  |  31 ++
>   tests/tcg/nios2/test-shadow-1.S         |  40 ++
>   26 files changed, 2113 insertions(+), 710 deletions(-)
>   create mode 100644 include/hw/intc/nios2_vic.h
>   create mode 100644 tests/tcg/nios2/semicall.h
>   create mode 100644 hw/intc/nios2_vic.c
>   create mode 100644 tests/tcg/nios2/10m50-ghrd.ld
>   create mode 100644 tests/tcg/nios2/Makefile.softmmu-target
>   delete mode 100644 tests/tcg/nios2/Makefile.target
>   create mode 100644 tests/tcg/nios2/boot.S
>   create mode 100644 tests/tcg/nios2/intr.S
>   create mode 100644 tests/tcg/nios2/test-shadow-1.S