linux-user: Remove the deprecated ppc64abi32 target

It's likely broken, and nobody cared for picking it up again
during the deprecation phase, so let's remove this now.

Since this is the last entry in deprecated_targets_list, remove
the related code in the configure script, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211215084958.185214-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220112112722.3641051-32-alex.bennee@linaro.org>

.gitlab-ci.d/buildtest.yml

@@ -473,33 +473,6 @@ tsan-build:
     TARGETS: x86_64-softmmu ppc64-softmmu riscv64-softmmu x86_64-linux-user
     MAKE_CHECK_ARGS: bench V=1
 
-# These targets are on the way out
-build-deprecated:
-  extends: .native_build_job_template
-  needs:
-    job: amd64-debian-user-cross-container
-  variables:
-    IMAGE: debian-all-test-cross
-    CONFIGURE_ARGS: --disable-tools
-    MAKE_CHECK_ARGS: build-tcg
-    TARGETS: ppc64abi32-linux-user
-  artifacts:
-    expire_in: 2 days
-    paths:
-      - build
-
-# We split the check-tcg step as test failures are expected but we still
-# want to catch the build breaking.
-check-deprecated:
-  extends: .native_test_job_template
-  needs:
-    - job: build-deprecated
-      artifacts: true
-  variables:
-    IMAGE: debian-all-test-cross
-    MAKE_CHECK_ARGS: check-tcg
-  allow_failure: true
-
 # gprof/gcov are GCC features
 build-gprof-gcov:
   extends: .native_build_job_template

configs/targets/ppc64abi32-linux-user.mak

@@ -1,8 +0,0 @@
-TARGET_ARCH=ppc64
-TARGET_ABI32=y
-TARGET_BASE_ARCH=ppc
-TARGET_ABI_DIR=ppc
-TARGET_SYSTBL_ABI=common,nospu,32
-TARGET_SYSTBL=syscall.tbl
-TARGET_WORDS_BIGENDIAN=y
-TARGET_XML_FILES= gdb-xml/power64-core.xml gdb-xml/power-fpu.xml gdb-xml/power-altivec.xml gdb-xml/power-spe.xml gdb-xml/power-vsx.xml

configure

@@ -1252,8 +1252,6 @@ if eval test -z "\${cross_cc_$cpu}"; then
 fi
 
 default_target_list=""
-deprecated_targets_list=ppc64abi32-linux-user
-deprecated_features=""
 mak_wilds=""
 
 if [ "$linux_user" != no ]; then
@@ -1281,16 +1279,6 @@ if [ "$bsd_user" = "yes" ]; then
     mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
 fi
 
-# If the user doesn't explicitly specify a deprecated target we will
-# skip it.
-if test -z "$target_list"; then
-    if test -z "$target_list_exclude"; then
-        target_list_exclude="$deprecated_targets_list"
-    else
-        target_list_exclude="$target_list_exclude,$deprecated_targets_list"
-    fi
-fi
-
 for config in $mak_wilds; do
     target="$(basename "$config" .mak)"
     if echo "$target_list_exclude" | grep -vq "$target"; then
@@ -1309,11 +1297,9 @@ Standard options:
   --prefix=PREFIX          install in PREFIX [$prefix]
   --interp-prefix=PREFIX   where to find shared libraries, etc.
                            use %M for cpu name [$interp_prefix]
-  --target-list=LIST       set target list (default: build all non-deprecated)
+  --target-list=LIST       set target list (default: build all)
 $(echo Available targets: $default_target_list | \
   fold -s -w 53 | sed -e 's/^/                           /')
-$(echo Deprecated targets: $deprecated_targets_list | \
-  fold -s -w 53 | sed -e 's/^/                           /')
   --target-list-exclude=LIST exclude a set of targets from the default target-list
 
 Advanced options (experts only):
@@ -1797,13 +1783,6 @@ else
     done
 fi
 
-for target in $target_list; do
-    # if a deprecated target is enabled we note it here
-    if echo "$deprecated_targets_list" | grep -q "$target"; then
-        add_to deprecated_features $target
-    fi
-done
-
 # see if system emulation was really requested
 case " $target_list " in
   *"-softmmu "*) softmmu=yes
@@ -3830,12 +3809,6 @@ else
   fi
 fi
 
-if test -n "${deprecated_features}"; then
-    echo "Warning, deprecated features enabled."
-    echo "Please see docs/about/deprecated.rst"
-    echo "  features: ${deprecated_features}"
-fi
-
 # Save the configure command line for later reuse.
 cat <<EOD >config.status
 #!/bin/sh

docs/about/deprecated.rst

@@ -403,13 +403,6 @@ The above, converted to the current supported format::
 linux-user mode CPUs
 --------------------
 
-``ppc64abi32`` CPUs (since 5.2)
-'''''''''''''''''''''''''''''''
-
-The ``ppc64abi32`` architecture has a number of issues which regularly
-trip up our CI testing and is suspected to be quite broken. For that
-reason the maintainers strongly suspect no one actually uses it.
-
 MIPS ``I7200`` CPU (since 5.2)
 ''''''''''''''''''''''''''''''
 

docs/about/removed-features.rst

@@ -601,6 +601,14 @@ the upstream Linux kernel in 2018, and it has also been dropped from glibc, so
 there is no new Linux development taking place with this architecture. For
 running the old binaries, you can use older versions of QEMU.
 
+``ppc64abi32`` CPUs (removed in 7.0)
+''''''''''''''''''''''''''''''''''''
+
+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.
+
+
 TCG introspection features
 --------------------------
 

docs/user/main.rst

@@ -166,7 +166,6 @@ Other binaries
 
 -  user mode (PowerPC)
 
-   * ``qemu-ppc64abi32`` TODO.
    * ``qemu-ppc64`` TODO.
    * ``qemu-ppc`` TODO.
 

linux-user/elfload.c

@@ -718,7 +718,7 @@ static inline void init_thread(struct target_pt_regs *regs,
 #define ELF_MACHINE    PPC_ELF_MACHINE
 #define ELF_START_MMAP 0x80000000
 
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
+#if defined(TARGET_PPC64)
 
 #define elf_check_arch(x) ( (x) == EM_PPC64 )
 
@@ -870,7 +870,7 @@ static uint32_t get_elf_hwcap2(void)
 static inline void init_thread(struct target_pt_regs *_regs, struct image_info *infop)
 {
     _regs->gpr[1] = infop->start_stack;
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
+#if defined(TARGET_PPC64)
     if (get_ppc64_abi(infop) < 2) {
         uint64_t val;
         get_user_u64(val, infop->entry + 8);

linux-user/ppc/signal.c

@@ -477,9 +477,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
     int i, err = 0;
 #if defined(TARGET_PPC64)
     struct target_sigcontext *sc = 0;
-#if !defined(TARGET_ABI32)
     struct image_info *image = ((TaskState *)thread_cpu->opaque)->info;
-#endif
 #endif
 
     rt_sf_addr = get_sigframe(ka, env, sizeof(*rt_sf));
@@ -530,7 +528,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
     env->gpr[5] = (target_ulong) h2g(&rt_sf->uc);
     env->gpr[6] = (target_ulong) h2g(rt_sf);
 
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
+#if defined(TARGET_PPC64)
     if (get_ppc64_abi(image) < 2) {
         /* ELFv1 PPC64 function pointers are pointers to OPD entries. */
         struct target_func_ptr *handler =
@@ -562,7 +560,7 @@ sigsegv:
 
 }
 
-#if !defined(TARGET_PPC64) || defined(TARGET_ABI32)
+#if !defined(TARGET_PPC64)
 long do_sigreturn(CPUPPCState *env)
 {
     struct target_sigcontext *sc = NULL;
@@ -575,12 +573,9 @@ long do_sigreturn(CPUPPCState *env)
     if (!lock_user_struct(VERIFY_READ, sc, sc_addr, 1))
         goto sigsegv;
 
-#if defined(TARGET_PPC64)
-    set.sig[0] = sc->oldmask + ((uint64_t)(sc->_unused[3]) << 32);
-#else
     __get_user(set.sig[0], &sc->oldmask);
     __get_user(set.sig[1], &sc->_unused[3]);
-#endif
+
     target_to_host_sigset_internal(&blocked, &set);
     set_sigmask(&blocked);
 

linux-user/ppc/target_syscall.h

@@ -36,7 +36,7 @@ struct target_pt_regs {
 	abi_ulong link;
 	abi_ulong xer;
 	abi_ulong ccr;
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
+#if defined(TARGET_PPC64)
         abi_ulong softe;
 #else
 	abi_ulong mq;		/* 601 only (not used at present) */
@@ -58,7 +58,7 @@ struct target_revectored_struct {
  * flags masks
  */
 
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
+#if defined(TARGET_PPC64)
 #ifdef TARGET_WORDS_BIGENDIAN
 #define UNAME_MACHINE "ppc64"
 #else

linux-user/syscall_defs.h

@@ -1558,7 +1558,7 @@ struct target_stat64 {
 struct target_stat {
 	abi_ulong st_dev;
 	abi_ulong st_ino;
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
+#if defined(TARGET_PPC64)
 	abi_ulong st_nlink;
 	unsigned int st_mode;
 #else
@@ -1579,12 +1579,12 @@ struct target_stat {
 	abi_ulong  target_st_ctime_nsec;
 	abi_ulong  __unused4;
 	abi_ulong  __unused5;
-#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
+#if defined(TARGET_PPC64)
 	abi_ulong  __unused6;
 #endif
 };
 
-#if !defined(TARGET_PPC64) || defined(TARGET_ABI32)
+#if !defined(TARGET_PPC64)
 #define TARGET_HAS_STRUCT_STAT64
 struct QEMU_PACKED target_stat64 {
 	unsigned long long st_dev;

tests/docker/dockerfiles/debian-ppc64el-cross.docker

@@ -16,7 +16,7 @@ RUN apt update && \
 
 # Specify the cross prefix for this image (see tests/docker/common.rc)
 ENV QEMU_CONFIGURE_OPTS --cross-prefix=powerpc64le-linux-gnu-
-ENV DEF_TARGET_LIST ppc64-softmmu,ppc64-linux-user,ppc64abi32-linux-user
+ENV DEF_TARGET_LIST ppc64-softmmu,ppc64-linux-user
 
 # Install extra libraries to increase code coverage
 RUN apt update && \

tests/tcg/configure.sh

@@ -167,7 +167,7 @@ for target in $target_list; do
       container_image=debian-nios2-cross
       container_cross_cc=nios2-linux-gnu-gcc
       ;;
-    ppc-*|ppc64abi32-*)
+    ppc-*)
       container_hosts=x86_64
       container_image=debian-powerpc-test-cross
       container_cross_cc=powerpc-linux-gnu-gcc-10