New in v7 is changing exceptions to advance the pc before raising
the exception, to match the hardware. This caused a number of
conflicts with my outstanding linux-user patches, so I've merged
the two patch sets.
Supercedes: <20220317050538.924111-1-richard.henderson@linaro.org>
("target/nios2: Shadow register set, EIC and VIC")
Supercedes: <20220325195250.386071-1-richard.henderson@linaro.org>
("linux-user/nios2: Fix clone and sigreturn")
Patches needing review:
09-target-nios2-Remove-user-only-nios2_cpu_do_interr.patch
10-target-nios2-Remove-nios2_cpu_record_sigsegv.patch
11-target-nios2-Build-helper.c-for-system-only.patch
12-linux-user-nios2-Use-force_sig_fault-for-EXCP_DEB.patch
34-target-nios2-Handle-EXCP_UNALIGN-and-EXCP_UALIGND.patch
37-target-nios2-Prevent-writes-to-read-only-or-reser.patch
43-target-nios2-Split-out-named-structs-for-IRJ-_TYP.patch
44-target-nios2-Split-out-helpers-for-gen_-translate.patch
53-target-nios2-Introduce-shadow-register-sets.patch
56-target-nios2-Implement-EIC-interrupt-processing.patch
57-target-nios2-Advance-pc-when-raising-exceptions.patch
63-tests-tcg-nios2-Add-semihosting-multiarch-tests.patch
64-tests-tcg-nios2-Add-test-shadow-1.patch
r~
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Laurent Vivier <laurent@vivier.eu>
Cc: Alex Bennée <alex.bennee@linaro.org>
Cc: Amir Gonnen <amir.gonnen@neuroblade.ai>
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 (59):
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_UALIGND
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_* translate macros
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 | 25 +
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 | 748 +++++++++++++++---------
hw/intc/Kconfig | 3 +
hw/intc/meson.build | 1 +
hw/nios2/Kconfig | 1 +
target/nios2/meson.build | 7 +-
tests/tcg/nios2/10m50-ghrd.ld | 59 ++
tests/tcg/nios2/Makefile.softmmu-target | 30 +
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 | 37 ++
26 files changed, 2096 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
--
2.34.1