On 27/3/24 15:48, Philippe Mathieu-Daudé wrote:
The Nios II target is deprecated since v8.2 in commit 9997771bc1 ("target/nios2: Deprecate the Nios II architecture").
Remove: - Buildsys / CI infra - User emulation - System emulation (10m50-ghrd & nios2-generic-nommu machines) - Tests
Cc: Marek Vasut <marex@denx.de> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- MAINTAINERS | 13 - docs/about/deprecated.rst | 11 - docs/about/emulation.rst | 7 - docs/about/removed-features.rst | 14 + docs/system/replay.rst | 2 +- docs/user/main.rst | 4 - configure | 2 - configs/devices/nios2-softmmu/default.mak | 6 - configs/targets/nios2-linux-user.mak | 1 - configs/targets/nios2-softmmu.mak | 2 - meson.build | 2 - qapi/machine.json | 2 +- hw/nios2/boot.h | 10 - include/disas/dis-asm.h | 5 - include/exec/poison.h | 2 - include/exec/user/abitypes.h | 3 +- include/hw/intc/nios2_vic.h | 66 - include/sysemu/arch_init.h | 1 - linux-user/nios2/sockbits.h | 1 - linux-user/nios2/syscall_nr.h | 333 -- linux-user/nios2/target_cpu.h | 49 - linux-user/nios2/target_elf.h | 14 - linux-user/nios2/target_errno_defs.h | 7 - linux-user/nios2/target_fcntl.h | 11 - linux-user/nios2/target_mman.h | 11 - linux-user/nios2/target_prctl.h | 1 - linux-user/nios2/target_proc.h | 1 - linux-user/nios2/target_resource.h | 1 - linux-user/nios2/target_signal.h | 9 - linux-user/nios2/target_structs.h | 1 - linux-user/nios2/target_syscall.h | 37 - linux-user/nios2/termbits.h | 1 - linux-user/syscall_defs.h | 4 +- target/nios2/cpu-param.h | 20 - target/nios2/cpu-qom.h | 18 - target/nios2/cpu.h | 301 -- target/nios2/helper.h | 32 - target/nios2/mmu.h | 52 - tests/tcg/nios2/semicall.h | 28 - disas/nios2.c | 3514 ----------------- hw/intc/nios2_vic.c | 313 -- hw/nios2/10m50_devboard.c | 181 - hw/nios2/boot.c | 234 -- hw/nios2/generic_nommu.c | 101 - linux-user/elfload.c | 99 - linux-user/nios2/cpu_loop.c | 157 - linux-user/nios2/signal.c | 210 - target/nios2/cpu.c | 410 -- target/nios2/helper.c | 371 -- target/nios2/mmu.c | 216 - target/nios2/monitor.c | 35 - target/nios2/nios2-semi.c | 230 -- target/nios2/op_helper.c | 119 - target/nios2/translate.c | 1107 ------ tests/qtest/machine-none-test.c | 1 - fpu/softfloat-specialize.c.inc | 2 +- .gitlab-ci.d/buildtest.yml | 4 +- .gitlab-ci.d/crossbuild-template.yml | 2 +- .gitlab-ci.d/crossbuilds.yml | 2 +- disas/meson.build | 1 - hw/Kconfig | 1 - hw/intc/Kconfig | 3 - hw/intc/meson.build | 1 - hw/meson.build | 1 - hw/nios2/Kconfig | 13 - hw/nios2/meson.build | 6 - qemu-options.hx | 8 +- scripts/coverity-scan/COMPONENTS.md | 3 - scripts/gensyscalls.sh | 1 - scripts/probe-gdb-support.py | 1 - target/Kconfig | 1 - target/meson.build | 1 - target/nios2/Kconfig | 3 - target/nios2/meson.build | 17 - target/nios2/trace-events | 10 - tests/avocado/boot_linux_console.py | 8 - tests/avocado/replay_kernel.py | 11 - tests/docker/Makefile.include | 5 - .../debian-nios2-cross.d/build-toolchain.sh | 87 - tests/tcg/nios2/10m50-ghrd.ld | 70 - tests/tcg/nios2/Makefile.softmmu-target | 32 - 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 - 85 files changed, 28 insertions(+), 8949 deletions(-) delete mode 100644 configs/devices/nios2-softmmu/default.mak delete mode 100644 configs/targets/nios2-linux-user.mak delete mode 100644 configs/targets/nios2-softmmu.mak delete mode 100644 hw/nios2/boot.h delete mode 100644 include/hw/intc/nios2_vic.h delete mode 100644 linux-user/nios2/sockbits.h delete mode 100644 linux-user/nios2/syscall_nr.h delete mode 100644 linux-user/nios2/target_cpu.h delete mode 100644 linux-user/nios2/target_elf.h delete mode 100644 linux-user/nios2/target_errno_defs.h delete mode 100644 linux-user/nios2/target_fcntl.h delete mode 100644 linux-user/nios2/target_mman.h delete mode 100644 linux-user/nios2/target_prctl.h delete mode 100644 linux-user/nios2/target_proc.h delete mode 100644 linux-user/nios2/target_resource.h delete mode 100644 linux-user/nios2/target_signal.h delete mode 100644 linux-user/nios2/target_structs.h delete mode 100644 linux-user/nios2/target_syscall.h delete mode 100644 linux-user/nios2/termbits.h delete mode 100644 target/nios2/cpu-param.h delete mode 100644 target/nios2/cpu-qom.h delete mode 100644 target/nios2/cpu.h delete mode 100644 target/nios2/helper.h delete mode 100644 target/nios2/mmu.h delete mode 100644 tests/tcg/nios2/semicall.h delete mode 100644 disas/nios2.c delete mode 100644 hw/intc/nios2_vic.c delete mode 100644 hw/nios2/10m50_devboard.c delete mode 100644 hw/nios2/boot.c delete mode 100644 hw/nios2/generic_nommu.c delete mode 100644 linux-user/nios2/cpu_loop.c delete mode 100644 linux-user/nios2/signal.c delete mode 100644 target/nios2/cpu.c delete mode 100644 target/nios2/helper.c delete mode 100644 target/nios2/mmu.c delete mode 100644 target/nios2/monitor.c delete mode 100644 target/nios2/nios2-semi.c delete mode 100644 target/nios2/op_helper.c delete mode 100644 target/nios2/translate.c delete mode 100644 hw/nios2/Kconfig delete mode 100644 hw/nios2/meson.build delete mode 100644 target/nios2/Kconfig delete mode 100644 target/nios2/meson.build delete mode 100644 target/nios2/trace-events delete mode 100755 tests/docker/dockerfiles/debian-nios2-cross.d/build-toolchain.sh delete mode 100644 tests/tcg/nios2/10m50-ghrd.ld delete mode 100644 tests/tcg/nios2/Makefile.softmmu-target delete mode 100644 tests/tcg/nios2/Makefile.target delete mode 100644 tests/tcg/nios2/boot.S delete mode 100644 tests/tcg/nios2/intr.S delete mode 100644 tests/tcg/nios2/test-shadow-1.S
diff --git a/MAINTAINERS b/MAINTAINERS index a07af6b9d4..f9db15a173 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -291,19 +291,6 @@ F: disas/*mips.c F: docs/system/cpu-models-mips.rst.inc F: tests/tcg/mips/
-NiosII TCG CPUs -R: Chris Wulff <crwulff@gmail.com> -R: Marek Vasut <marex@denx.de> -S: Orphan -F: target/nios2/ -F: hw/nios2/ -F: hw/intc/nios2_vic.c -F: disas/nios2.c -F: include/hw/intc/nios2_vic.h -F: configs/devices/nios2-softmmu/default.mak -F: tests/docker/dockerfiles/debian-nios2-cross.d/build-toolchain.sh -F: tests/tcg/nios2/ - OpenRISC TCG CPUs M: Stafford Horne <shorne@gmail.com> S: Odd Fixes diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 7b548519b5..06090dd2c2 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -185,12 +185,6 @@ it. Since all recent x86 hardware from the past >10 years is capable of the System emulator CPUs --------------------
-Nios II CPU (since 8.2) -''''''''''''''''''''''' - -The Nios II architecture is orphan. The ``nios2`` guest CPU support is -deprecated and will be removed in a future version of QEMU. - ``power5+`` and ``power7+`` CPU names (since 9.0) '''''''''''''''''''''''''''''''''''''''''''''''''
@@ -226,11 +220,6 @@ These old machine types are quite neglected nowadays and thus might have various pitfalls with regards to live migration. Use a newer machine type instead.
-Nios II ``10m50-ghrd`` and ``nios2-generic-nommu`` machines (since 8.2) -''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' - -The Nios II architecture is orphan. - ``shix`` (since 9.0) ''''''''''''''''''''
diff --git a/docs/about/emulation.rst b/docs/about/emulation.rst index a2eefe3f3f..b5ff9c5f69 100644 --- a/docs/about/emulation.rst +++ b/docs/about/emulation.rst @@ -58,10 +58,6 @@ depending on the guest architecture. - :ref:`Yes<MIPS-System-emulator>` - Yes - Venerable RISC architecture originally out of Stanford University - * - Nios2 - - Yes - - Yes - - 32 bit embedded soft-core by Altera * - OpenRISC - :ref:`Yes<OpenRISC-System-emulator>` - Yes @@ -180,9 +176,6 @@ for that architecture. * - MIPS - System - Unified Hosting Interface (MD01069) - * - Nios II - - System - - https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;a=blob;f=libgloss/... * - RISC-V - System and User-mode - https://github.com/riscv/riscv-semihosting-spec/blob/main/riscv-semihosting-... diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst index f9cf874f7b..8fe50699b3 100644 --- a/docs/about/removed-features.rst +++ b/docs/about/removed-features.rst @@ -699,6 +699,11 @@ The RISC-V ISA privilege specification version 1.09.1 has been removed. QEMU supports both the newer version 1.10.0 and the ratified version 1.11.0, these should be used instead of the 1.09.1 version.
+Nios II architecture (removed in 9.1) +''''''''''''''''''''''''''''''''''''' + +The Nios II architecture was orphan.
Per Sandra's comment in https://lore.kernel.org/qemu-devel/55a1bc52-b435-463e-8be1-4b23e44393a0@bayl... Maybe we could change to: +Intel has EOL'ed the Nios II processor IP and is now directing +their FPGA customers to a RISC-V platform instead. +See `Intel discontinuance notification <https://www.intel.com/content/www/us/en/content-details/781327/intel-is-discontinuing-ip-ordering-codes-listed-in-pdn2312-for-nios-ii-ip.html>`_.
+ System emulator CPUS --------------------
@@ -841,6 +846,11 @@ ppc ``taihu`` machine (removed in 7.2) This machine was removed because it was partially emulated and 405 machines are very similar. Use the ``ref405ep`` machine instead.
+Nios II ``10m50-ghrd`` and ``nios2-generic-nommu`` machines (removed in 9.1) +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +The Nios II architecture was orphan. + linux-user mode CPUs --------------------
@@ -860,6 +870,10 @@ The ``ppc64abi32`` architecture has a number of issues which regularly tripped up the CI testing and was suspected to be quite broken. For that reason the maintainers strongly suspected no one actually used it.
+``nios2`` CPU (removed in 9.1) +'''''''''''''''''''''''''''''' + +The Nios II architecture was orphan.
TCG introspection features --------------------------
(Original patch content: https://lore.kernel.org/qemu-devel/20240327144806.11319-3-philmd@linaro.org/)