Testing updates:

- fix up xtensa docker container base to current Debian
   - document breakpoint and watchpoint support
   - clean up the ansible scripts for Ubuntu 22.04
   - add a minimal device profile
   - drop https on mipsdistros URL
   - fix Kconfig bug for XLNX_VERSAL
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Merge tag 'pull-testing-updates-100523-1' of https://gitlab.com/stsquad/qemu into staging

Testing updates:

  - fix up xtensa docker container base to current Debian
  - document breakpoint and watchpoint support
  - clean up the ansible scripts for Ubuntu 22.04
  - add a minimal device profile
  - drop https on mipsdistros URL
  - fix Kconfig bug for XLNX_VERSAL

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# gpg: Signature made Wed 10 May 2023 04:04:59 PM BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-testing-updates-100523-1' of https://gitlab.com/stsquad/qemu:
  hw/arm: Select XLNX_USB_SUBSYS for xlnx-zcu102 machine
  tests/avocado: use http for mipsdistros.mips.com
  gitlab: enable minimal device profile for aarch64 --disable-tcg
  gitlab: add ubuntu-22.04-aarch64-without-defaults
  scripts/ci: clean-up the 20.04/22.04 confusion in ansible
  scripts/ci: add gitlab-runner to kvm group
  docs: document breakpoint and watchpoint support
  tests/docker: bump the xtensa base to debian:11-slim

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

.gitlab-ci.d/custom-runners/ubuntu-22.04-aarch32.yml

@@ -1,6 +1,6 @@
 # All ubuntu-22.04 jobs should run successfully in an environment
 # setup by the scripts/ci/setup/qemu/build-environment.yml task
-# "Install basic packages to build QEMU on Ubuntu 20.04"
+# "Install basic packages to build QEMU on Ubuntu 22.04"
 
 ubuntu-22.04-aarch32-all:
  extends: .custom_runner_template

.gitlab-ci.d/custom-runners/ubuntu-22.04-aarch64.yml

@@ -1,6 +1,6 @@
-# All ubuntu-20.04 jobs should run successfully in an environment
+# All ubuntu-22.04 jobs should run successfully in an environment
 # setup by the scripts/ci/setup/qemu/build-environment.yml task
-# "Install basic packages to build QEMU on Ubuntu 20.04"
+# "Install basic packages to build QEMU on Ubuntu 22.04"
 
 ubuntu-22.04-aarch64-all-linux-static:
  extends: .custom_runner_template
@@ -45,6 +45,28 @@ ubuntu-22.04-aarch64-all:
  - make --output-sync -j`nproc --ignore=40`
  - make --output-sync -j`nproc --ignore=40` check
 
+ubuntu-22.04-aarch64-without-defaults:
+ extends: .custom_runner_template
+ needs: []
+ stage: build
+ tags:
+ - ubuntu_22.04
+ - aarch64
+ rules:
+ - if: '$CI_PROJECT_NAMESPACE == "qemu-project" && $CI_COMMIT_BRANCH =~ /^staging/'
+   when: manual
+   allow_failure: true
+ - if: "$AARCH64_RUNNER_AVAILABLE"
+   when: manual
+   allow_failure: true
+ script:
+ - mkdir build
+ - cd build
+ - ../configure --disable-user --without-default-devices --without-default-features
+   || { cat config.log meson-logs/meson-log.txt; exit 1; }
+ - make --output-sync -j`nproc --ignore=40`
+ - make --output-sync -j`nproc --ignore=40` check
+
 ubuntu-22.04-aarch64-alldbg:
  extends: .custom_runner_template
  needs: []
@@ -123,7 +145,7 @@ ubuntu-22.04-aarch64-notcg:
  script:
  - mkdir build
  - cd build
- - ../configure --disable-tcg
+ - ../configure --disable-tcg --with-devices-aarch64=minimal
    || { cat config.log meson-logs/meson-log.txt; exit 1; }
  - make --output-sync -j`nproc --ignore=40`
  - make --output-sync -j`nproc --ignore=40` check

docs/system/gdb.rst

@@ -46,6 +46,28 @@ Here are some useful tips in order to use gdb on system code:
 3. Use ``set architecture i8086`` to dump 16 bit code. Then use
    ``x/10i $cs*16+$eip`` to dump the code at the PC position.
 
+Breakpoint and Watchpoint support
+=================================
+
+While GDB can always fall back to inserting breakpoints into memory
+(if writable) other features are very much dependent on support of the
+accelerator. For TCG system emulation we advertise an infinite number
+of hardware assisted breakpoints and watchpoints. For other
+accelerators it will depend on if support has been added (see
+supports_guest_debug and related hooks in AccelOpsClass).
+
+As TCG cannot track all memory accesses in user-mode there is no
+support for watchpoints.
+
+Relocating code
+---------------
+
+On modern kernels confusion can be caused by code being relocated by
+features such as address space layout randomisation. To avoid
+confusion when debugging such things you either need to update gdb's
+view of where things are in memory or perhaps more trivially disable
+ASLR when booting the system.
+
 Debugging multicore machines
 ============================
 

hw/arm/Kconfig

@@ -436,6 +436,7 @@ config XLNX_VERSAL
     select OR_IRQ
     select XLNX_BBRAM
     select XLNX_EFUSE_VERSAL
+    select XLNX_USB_SUBSYS
 
 config NPCM7XX
     bool

hw/usb/Kconfig

@@ -136,5 +136,4 @@ config USB_DWC3
 
 config XLNX_USB_SUBSYS
     bool
-    default y if XLNX_VERSAL
     select USB_DWC3

scripts/ci/setup/build-environment.yml

@@ -24,7 +24,6 @@
       when:
         - ansible_facts['distribution'] == 'Ubuntu'
         - ansible_facts['architecture'] == 'aarch64'
-        - ansible_facts['distribution_version'] == '20.04'
 
     - name: Update apt cache / upgrade packages via apt
       apt:
@@ -33,87 +32,131 @@
       when:
         - ansible_facts['distribution'] == 'Ubuntu'
 
-    - name: Install basic packages to build QEMU on Ubuntu 20.04
+    # lcitool variables -f json ubuntu-2204 qemu | jq -r '.pkgs[]' | xargs -n 1 echo "-"
+    - name: Install basic packages to build QEMU on Ubuntu 22.04
       package:
         name:
+          - bash
+          - bc
+          - bison
+          - bsdextrautils
+          - bzip2
+          - ca-certificates
           - ccache
+          - clang
+          - dbus
+          - debianutils
+          - diffutils
+          - exuberant-ctags
+          - findutils
+          - flex
+          - g++
           - gcc
+          - gcovr
+          - genisoimage
           - gettext
           - git
-          - glusterfs-common
+          - hostname
           - libaio-dev
+          - libasan5
+          - libasound2-dev
           - libattr1-dev
+          - libbpf-dev
           - libbrlapi-dev
           - libbz2-dev
+          - libc6-dev
           - libcacard-dev
-          - libcapstone-dev
           - libcap-ng-dev
+          - libcapstone-dev
+          - libcmocka-dev
           - libcurl4-gnutls-dev
+          - libdaxctl-dev
           - libdrm-dev
           - libepoxy-dev
           - libfdt-dev
+          - libffi-dev
           - libgbm-dev
+          - libgcrypt20-dev
+          - libglib2.0-dev
+          - libglusterfs-dev
+          - libgnutls28-dev
           - libgtk-3-dev
+          - libibumad-dev
           - libibverbs-dev
           - libiscsi-dev
           - libjemalloc-dev
           - libjpeg-turbo8-dev
+          - libjson-c-dev
+          - liblttng-ust-dev
           - liblzo2-dev
-          - libncurses5-dev
           - libncursesw5-dev
           - libnfs-dev
-          - libnss3-dev
           - libnuma-dev
+          - libpam0g-dev
+          - libpcre2-dev
           - libpixman-1-dev
-          - librados-dev
+          - libpmem-dev
+          - libpng-dev
+          - libpulse-dev
           - librbd-dev
           - librdmacm-dev
           - libsasl2-dev
           - libsdl2-dev
+          - libsdl2-image-dev
           - libseccomp-dev
+          - libslirp-dev
           - libsnappy-dev
           - libspice-protocol-dev
+          - libspice-server-dev
           - libssh-dev
+          - libsystemd-dev
+          - libtasn1-6-dev
+          - libubsan1
+          - libudev-dev
+          - liburing-dev
           - libusb-1.0-0-dev
           - libusbredirhost-dev
           - libvdeplug-dev
+          - libvirglrenderer-dev
           - libvte-2.91-dev
+          - libxen-dev
+          - libxml2-dev
           - libzstd-dev
+          - llvm
+          - locales
           - make
-          - python3-yaml
+          - meson
+          - multipath-tools
+          - ncat
+          - nettle-dev
+          - ninja-build
+          - openssh-client
+          - pkgconf
+          - python3
+          - python3-numpy
+          - python3-opencv
+          - python3-pillow
+          - python3-pip
           - python3-sphinx
           - python3-sphinx-rtd-theme
-          - ninja-build
+          - python3-venv
+          - python3-yaml
+          - rpm2cpio
+          - sed
           - sparse
+          - systemtap-sdt-dev
+          - tar
+          - tesseract-ocr
+          - tesseract-ocr-eng
+          - texinfo
           - xfslibs-dev
+          - zlib1g-dev
         state: present
       when:
         - ansible_facts['distribution'] == 'Ubuntu'
+        - ansible_facts['distribution_version'] == '22.04'
 
-    - name: Install packages to build QEMU on Ubuntu 20.04 on non-s390x
+    - name: Install armhf cross-compile packages to build QEMU on AArch64 Ubuntu 22.04
-      package:
-        name:
-          - libspice-server-dev
-          - libxen-dev
-        state: present
-      when:
-        - ansible_facts['distribution'] == 'Ubuntu'
-        - ansible_facts['architecture'] == 'aarch64' or ansible_facts['architecture'] == 'x86_64'
-
-    - name: Install basic packages to build QEMU on Ubuntu 20.04
-      package:
-        name:
-        # Originally from tests/docker/dockerfiles/ubuntu2004.docker
-          - clang-10
-          - genisoimage
-          - liblttng-ust-dev
-          - libslirp-dev
-          - netcat-openbsd
-      when:
-        - ansible_facts['distribution'] == 'Ubuntu'
-        - ansible_facts['distribution_version'] == '20.04'
-
-    - name: Install armhf cross-compile packages to build QEMU on AArch64 Ubuntu 20.04
       package:
         name:
           - binutils-arm-linux-gnueabihf
@@ -128,7 +171,7 @@
           - zlib1g-dev:armhf
       when:
         - ansible_facts['distribution'] == 'Ubuntu'
-        - ansible_facts['distribution_version'] == '20.04'
+        - ansible_facts['distribution_version'] == '22.04'
         - ansible_facts['architecture'] == 'aarch64'
 
     - name: Enable EPEL repo on EL8

scripts/ci/setup/gitlab-runner.yml

@@ -26,6 +26,7 @@
       user:
         user: gitlab-runner
         group: gitlab-runner
+        groups: kvm
         comment: GitLab Runner
         home: /home/gitlab-runner
         shell: /bin/bash

tests/avocado/replay_kernel.py

@@ -493,7 +493,7 @@ class ReplayKernelSlow(ReplayKernelBase):
         :avocado: tags=endian:little
         :avocado: tags=cpu:I7200
         """
-        kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
+        kernel_url = ('http://mipsdistros.mips.com/LinuxDistro/nanomips/'
                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
                       'generic_nano32r6el_page4k.xz')
         kernel_hash = '477456aafd2a0f1ddc9482727f20fe9575565dd6'
@@ -507,7 +507,7 @@ class ReplayKernelSlow(ReplayKernelBase):
         :avocado: tags=endian:little
         :avocado: tags=cpu:I7200
         """
-        kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
+        kernel_url = ('http://mipsdistros.mips.com/LinuxDistro/nanomips/'
                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
                       'generic_nano32r6el_page16k_up.xz')
         kernel_hash = 'e882868f944c71c816e832e2303b7874d044a7bc'
@@ -521,7 +521,7 @@ class ReplayKernelSlow(ReplayKernelBase):
         :avocado: tags=endian:little
         :avocado: tags=cpu:I7200
         """
-        kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
+        kernel_url = ('http://mipsdistros.mips.com/LinuxDistro/nanomips/'
                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
                       'generic_nano32r6el_page64k_dbg.xz')
         kernel_hash = '18d1c68f2e23429e266ca39ba5349ccd0aeb7180'

tests/docker/dockerfiles/debian-xtensa-cross.docker

@@ -5,7 +5,7 @@
 # using a prebuilt toolchains for Xtensa cores from:
 # https://github.com/foss-xtensa/toolchain/releases
 #
-FROM docker.io/library/debian:stretch-slim
+FROM docker.io/library/debian:11-slim
 
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata && \