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