configure: remove target configuration

The config-target.mak files are small constant, we can therefore just
write them down explicitly.

This removes a pretty large part of the configure script, including the
whole logic to detect which accelerators are supported by each target.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 23 insertions, 451 deletions

diff --git a/configure b/configure
index a8e314dd53..a0701570d0 100755
--- a/configure
+++ b/configure
@@ -219,108 +219,6 @@ glob() {
     eval test -z '"${1#'"$2"'}"'
 }
 
-supported_hax_target() {
-    test "$hax" = "enabled" || return 1
-    glob "$1" "*-softmmu" || return 1
-    case "${1%-softmmu}" in
-        i386|x86_64)
-            return 0
-        ;;
-    esac
-    return 1
-}
-
-supported_kvm_target() {
-    test "$kvm" = "enabled" || return 1
-    glob "$1" "*-softmmu" || return 1
-    case "${1%-softmmu}:$cpu" in
-        aarch64:aarch64 | \
-        i386:i386 | i386:x86_64 | i386:x32 | \
-        x86_64:i386 | x86_64:x86_64 | x86_64:x32 | \
-        mips:mips | mipsel:mips | mips64:mips | mips64el:mips | \
-        ppc:ppc | ppc64:ppc | ppc:ppc64 | ppc64:ppc64 | ppc64:ppc64le | \
-        s390x:s390x)
-            return 0
-        ;;
-    esac
-    return 1
-}
-
-supported_xen_target() {
-    test "$xen" = "enabled" || return 1
-    glob "$1" "*-softmmu" || return 1
-    # Only i386 and x86_64 provide the xenpv machine.
-    case "${1%-softmmu}" in
-        i386|x86_64)
-            return 0
-        ;;
-    esac
-    return 1
-}
-
-supported_hvf_target() {
-    test "$hvf" = "enabled" || return 1
-    glob "$1" "*-softmmu" || return 1
-    case "${1%-softmmu}" in
-        x86_64)
-            return 0
-        ;;
-    esac
-    return 1
-}
-
-supported_whpx_target() {
-    test "$whpx" = "enabled" || return 1
-    glob "$1" "*-softmmu" || return 1
-    case "${1%-softmmu}" in
-        i386|x86_64)
-            return 0
-        ;;
-    esac
-    return 1
-}
-
-deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
-deprecated_features=""
-
-supported_target() {
-    case "$1" in
-        *-softmmu)
-            ;;
-        *-linux-user)
-            if test "$linux" != "yes"; then
-                print_error "Target '$target' is only available on a Linux host"
-                return 1
-            fi
-            ;;
-        *-bsd-user)
-            if test "$bsd" != "yes"; then
-                print_error "Target '$target' is only available on a BSD host"
-                return 1
-            fi
-            ;;
-        *)
-            print_error "Invalid target name '$target'"
-            return 1
-            ;;
-    esac
-
-    # if a deprecated target is enabled we note it here
-    if echo "$deprecated_targets_list" | grep -q "$1"; then
-        add_to deprecated_features $1
-    fi
-
-    test "$tcg" = "enabled" && return 0
-    supported_kvm_target "$1" && return 0
-    supported_xen_target "$1" && return 0
-    supported_hax_target "$1" && return 0
-    supported_hvf_target "$1" && return 0
-    supported_whpx_target "$1" && return 0
-    print_error "TCG disabled, but hardware accelerator not available for '$target'"
-    return 1
-}
-
-
 ld_has() {
     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 }
@@ -1701,7 +1599,8 @@ if [ "$bsd_user" = "no" -a "$linux_user" = "no" -a "$softmmu" = "no" ] ; then
 fi
 
 default_target_list=""
-
+deprecated_targets_list=ppc64abi32-linux-user,tilegx-linux-user,lm32-softmmu,unicore32-softmmu
+deprecated_features=""
 mak_wilds=""
 
 if [ "$softmmu" = "yes" ]; then
@@ -2029,16 +1928,6 @@ if ! compile_prog ; then
     error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
 fi
 
-# Now we have handled --enable-tcg-interpreter and know we're not just
-# printing the help message, bail out if the host CPU isn't supported.
-if test "$ARCH" = "unknown"; then
-    if test "$tcg_interpreter" = "yes" ; then
-        echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
-    else
-        error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
-    fi
-fi
-
 # Consult white-list to determine whether to enable werror
 # by default.  Only enable by default for git builds
 if test -z "$werror" ; then
@@ -2290,12 +2179,13 @@ if test "$solaris" = "yes" ; then
 fi
 
 if test -z "${target_list+xxx}" ; then
+    default_targets=yes
     for target in $default_target_list; do
-        supported_target $target 2>/dev/null && \
-            target_list="$target_list $target"
+        target_list="$target_list $target"
     done
     target_list="${target_list# }"
 else
+    default_targets=no
     target_list=$(echo "$target_list" | sed -e 's/,/ /g')
     for target in $target_list; do
         # Check that we recognised the target name; this allows a more
@@ -2307,10 +2197,16 @@ else
                 error_exit "Unknown target name '$target'"
                 ;;
         esac
-        supported_target $target || exit 1
     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 " $target_list " in
   *"-softmmu "*) softmmu=yes
@@ -2653,28 +2549,6 @@ if test "$seccomp" != "no" ; then
 fi
 
 ##########################################
-# simple accelerator probes
-
-if test "$kvm" != "disabled" ; then
-  if test "$linux" = yes ; then
-    kvm=enabled
-  else
-    if test "$kvm" = "enabled" ; then
-      feature_not_found "kvm" "KVM is only available on Linux"
-    fi
-    kvm=disabled
-  fi
-fi
-
-if test "$hax" = "auto" ; then
-  if test "$mingw" = yes || test "$darwin" = yes || test "$targetos" = NetBSD; then
-    hax=enabled
-  else
-    hax=disabled
-  fi
-fi
-
-##########################################
 # xen probe
 
 if test "$xen" != "disabled" ; then
@@ -2993,23 +2867,6 @@ if test "$xen_pci_passthrough" != "disabled"; then
 fi
 
 ##########################################
-# Windows Hypervisor Platform accelerator (WHPX) check
-if test "$whpx" != "disabled"; then
-    if test "$mingw32" = yes && test "$ARCH" = "x86_64" &&
-            check_include "WinHvPlatform.h" && check_include "WinHvEmulation.h"; then
-        whpx="enabled"
-    else
-        if test "$whpx" = "enabled"; then
-            if test "$ARCH" != "x86_64"; then
-                error_exit "WHPX requires 64-bit host"
-            fi
-            feature_not_found "WinHvPlatform" "WinHvEmulation is not installed"
-        fi
-        whpx="disabled"
-    fi
-fi
-
-##########################################
 # gettext probe
 if test "$gettext" != "false" ; then
   if has xgettext; then
@@ -5832,23 +5689,6 @@ fi
 
 
 #################################################
-# Check to see if we have the Hypervisor framework
-if [ "$hvf" != "disabled" ] ; then
-  cat > $TMPC << EOF
-#include <Hypervisor/hv.h>
-int main() { return 0;}
-EOF
-  if test "$darwin" = yes && compile_object ""; then
-    hvf='enabled'
-  else
-    if test "$hvf" = "enabled"; then
-	error_exit "Hypervisor.framework not available"
-    fi
-    hvf='disabled'
-  fi
-fi
-
-##########################################
 # check for sysmacros.h
 
 have_sysmacros=no
@@ -7362,285 +7202,14 @@ if test "$linux" = "yes" ; then
 fi
 
 for target in $target_list; do
-target_dir="$target"
-config_target_mak=$target_dir/config-target.mak
-target_name=$(echo $target | cut -d '-' -f 1)
-target_aligned_only="no"
-case "$target_name" in
-  alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
-  target_aligned_only="yes"
-  ;;
-esac
-target_bigendian="no"
-case "$target_name" in
-  armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
-  target_bigendian="yes"
-  ;;
-esac
-target_softmmu="no"
-target_user_only="no"
-target_linux_user="no"
-target_bsd_user="no"
-case "$target" in
-  ${target_name}-softmmu)
-    target_softmmu="yes"
-    ;;
-  ${target_name}-linux-user)
-    target_user_only="yes"
-    target_linux_user="yes"
-    ;;
-  ${target_name}-bsd-user)
-    target_user_only="yes"
-    target_bsd_user="yes"
-    ;;
-  *)
-    error_exit "Target '$target' not recognised"
-    exit 1
-    ;;
-esac
-
-mkdir -p $target_dir
-echo "# Automatically generated by configure - do not modify" > $config_target_mak
-
-bflt="no"
-mttcg="no"
-interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
-gdb_xml_files=""
-
-TARGET_ARCH="$target_name"
-TARGET_BASE_ARCH=""
-TARGET_ABI_DIR=""
-TARGET_SYSTBL_ABI=""
-TARGET_SYSTBL=""
-
-case "$target_name" in
-  i386)
-    mttcg="yes"
-    gdb_xml_files="i386-32bit.xml"
-    TARGET_SYSTBL_ABI=i386
-    TARGET_SYSTBL=syscall_32.tbl
-  ;;
-  x86_64)
-    TARGET_BASE_ARCH=i386
-    TARGET_SYSTBL_ABI=common,64
-    TARGET_SYSTBL=syscall_64.tbl
-    mttcg="yes"
-    gdb_xml_files="i386-64bit.xml"
-  ;;
-  alpha)
-    mttcg="yes"
-    TARGET_SYSTBL_ABI=common
-  ;;
-  arm|armeb)
-    TARGET_ARCH=arm
-    TARGET_SYSTBL_ABI=common,oabi
-    bflt="yes"
-    mttcg="yes"
-    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
-  ;;
-  aarch64|aarch64_be)
-    TARGET_ARCH=aarch64
-    TARGET_BASE_ARCH=arm
-    bflt="yes"
-    mttcg="yes"
-    gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml arm-m-profile.xml"
-  ;;
-  avr)
-    gdb_xml_files="avr-cpu.xml"
-    target_compiler=$cross_cc_avr
-  ;;
-  cris)
-  ;;
-  hppa)
-    mttcg="yes"
-    TARGET_SYSTBL_ABI=common,32
-  ;;
-  lm32)
-  ;;
-  m68k)
-    bflt="yes"
-    gdb_xml_files="cf-core.xml cf-fp.xml m68k-core.xml m68k-fp.xml"
-    TARGET_SYSTBL_ABI=common
-  ;;
-  microblaze|microblazeel)
-    TARGET_ARCH=microblaze
-    TARGET_SYSTBL_ABI=common
-    mttcg="yes"
-    bflt="yes"
-  ;;
-  mips|mipsel)
-    mttcg="yes"
-    TARGET_ARCH=mips
-    test "$target_user_only" = yes && echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
-    TARGET_SYSTBL_ABI=o32
-    TARGET_SYSTBL=syscall_o32.tbl
-  ;;
-  mipsn32|mipsn32el)
-    mttcg="yes"
-    TARGET_ARCH=mips64
-    TARGET_BASE_ARCH=mips
-    test "$target_user_only" = yes && echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
-    test "$target_user_only" = yes && echo "TARGET_ABI32=y" >> $config_target_mak
-    TARGET_SYSTBL_ABI=n32
-    TARGET_SYSTBL=syscall_n32.tbl
-  ;;
-  mips64|mips64el)
-    mttcg="no"
-    TARGET_ARCH=mips64
-    TARGET_BASE_ARCH=mips
-    test "$target_user_only" = yes && echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
-    TARGET_SYSTBL_ABI=n64
-    TARGET_SYSTBL=syscall_n64.tbl
-  ;;
-  moxie)
-  ;;
-  nios2)
-  ;;
-  or1k)
-    TARGET_ARCH=openrisc
-    TARGET_BASE_ARCH=openrisc
-  ;;
-  ppc)
-    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
-    TARGET_SYSTBL_ABI=common,nospu,32
-  ;;
-  ppc64)
-    TARGET_BASE_ARCH=ppc
-    TARGET_ABI_DIR=ppc
-    TARGET_SYSTBL_ABI=common,nospu,64
-    mttcg=yes
-    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
-  ;;
-  ppc64le)
-    TARGET_ARCH=ppc64
-    TARGET_BASE_ARCH=ppc
-    TARGET_ABI_DIR=ppc
-    TARGET_SYSTBL_ABI=common,nospu,64
-    mttcg=yes
-    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
-  ;;
-  ppc64abi32)
-    TARGET_ARCH=ppc64
-    TARGET_BASE_ARCH=ppc
-    TARGET_ABI_DIR=ppc
-    TARGET_SYSTBL_ABI=common,nospu,32
-    test "$target_user_only" = yes && echo "TARGET_ABI32=y" >> $config_target_mak
-    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
-  ;;
-  riscv32)
-    TARGET_BASE_ARCH=riscv
-    TARGET_ABI_DIR=riscv
-    mttcg=yes
-    gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
-  ;;
-  riscv64)
-    TARGET_BASE_ARCH=riscv
-    TARGET_ABI_DIR=riscv
-    mttcg=yes
-    gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
-  ;;
-  rx)
-    TARGET_ARCH=rx
-    bflt="yes"
-    target_compiler=$cross_cc_rx
-    gdb_xml_files="rx-core.xml"
-  ;;
-  sh4|sh4eb)
-    TARGET_ARCH=sh4
-    TARGET_SYSTBL_ABI=common
-    bflt="yes"
-  ;;
-  sparc)
-    TARGET_SYSTBL_ABI=common,32
-  ;;
-  sparc64)
-    TARGET_BASE_ARCH=sparc
-    TARGET_SYSTBL_ABI=common,64
-  ;;
-  sparc32plus)
-    TARGET_ARCH=sparc64
-    TARGET_BASE_ARCH=sparc
-    TARGET_ABI_DIR=sparc
-    TARGET_SYSTBL_ABI=common,32
-    test "$target_user_only" = yes && echo "TARGET_ABI32=y" >> $config_target_mak
-  ;;
-  s390x)
-    TARGET_SYSTBL_ABI=common,64
-    mttcg=yes
-    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
-  ;;
-  tilegx)
-  ;;
-  tricore)
-  ;;
-  unicore32)
-  ;;
-  xtensa|xtensaeb)
-    TARGET_ARCH=xtensa
-    TARGET_SYSTBL_ABI=common
-    bflt="yes"
-    mttcg="yes"
-  ;;
-  *)
-    error_exit "Unsupported target CPU"
-  ;;
-esac
-# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
-if [ "$TARGET_BASE_ARCH" = "" ]; then
-  TARGET_BASE_ARCH=$TARGET_ARCH
-fi
-if [ "$TARGET_SYSTBL_ABI" != "" ] && [ "$TARGET_SYSTBL" = "" ]; then
-  TARGET_SYSTBL=syscall.tbl
-fi
-
-upper() {
-    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
-}
-
-target_arch_name="$(upper $TARGET_ARCH)"
-echo "TARGET_$target_arch_name=y" >> $config_target_mak
-echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
-if test "$target_user_only" = "yes" ; then
-  if [ "$TARGET_ABI_DIR" = "" ]; then
-    TARGET_ABI_DIR=$TARGET_ARCH
-  fi
-  echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
-fi
-if test "$target_linux_user" = "yes" ; then
-  if [ "$TARGET_SYSTBL_ABI" != "" ]; then
-    echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
-    echo "TARGET_SYSTBL=$TARGET_SYSTBL" >> $config_target_mak
-  fi
-fi
-if test "$target_aligned_only" = "yes" ; then
-  echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
-fi
-if test "$target_bigendian" = "yes" ; then
-  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
-fi
-if test "$target_softmmu" = "yes" ; then
-  if test "$mttcg" = "yes" ; then
-    echo "TARGET_SUPPORTS_MTTCG=y" >> $config_target_mak
-  fi
-fi
-if test "$target_user_only" = "yes" ; then
-  symlink "../qemu-$target_name" "$target_dir/qemu-$target_name"
-else
-  symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name"
-fi
-list=""
-if test ! -z "$gdb_xml_files" ; then
-  for x in $gdb_xml_files; do
-    list="$list gdb-xml/$x"
-  done
-  echo "TARGET_XML_FILES=$list" >> $config_target_mak
-fi
-
-if test "$target_user_only" = "yes" && test "$bflt" = "yes"; then
-  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
-fi
-
-done # for target in $targets
+    target_dir="$target"
+    target_name=$(echo $target | cut -d '-' -f 1)
+    mkdir -p $target_dir
+    case $target in
+        *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
+        *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
+    esac
+done
 
 if [ "$fdt" = "git" ]; then
   subdirs="$subdirs dtc"
@@ -7649,6 +7218,9 @@ if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
   subdirs="$subdirs capstone"
 fi
 echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak
+if test "$default_targets" = "yes"; then
+  echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
+fi
 echo "SUBDIRS=$subdirs" >> $config_host_mak
 if test -n "$LIBCAPSTONE"; then
   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak