AArch64 projects: add 32-bit userspace support

LibreELEC · Oct 12, 2017 · de9d1af · de9d1af
1 parent 195c4b1
commit de9d1af
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Showing 35 changed files with 152 additions and 63 deletions.
diff --git a/config/arch.arm b/config/arch.arm
@@ -45,13 +45,21 @@
       TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
       SIMD_SUPPORT="yes"
       ;;
+    cortex-a53)
+      TARGET_SUBARCH=armv8-a
+      TARGET_ABI=eabi
+      TARGET_EXTRA_FLAGS="-mcpu=${TARGET_CPU}"
+      TARGET_FPU_FLAGS="-mfloat-abi=$TARGET_FLOAT -mfpu=$TARGET_FPU"
+      SIMD_SUPPORT="yes"
+      ;;
   esac
 
+  TARGET_VARIANT="${TARGET_SUBARCH}${TARGET_CPU_FLAGS}"
   TARGET_GCC_ARCH=${TARGET_SUBARCH/-}
-  TARGET_KERNEL_ARCH=arm
+  TARGET_KERNEL_ARCH=${TARGET_KERNEL_ARCH:-arm}
 
 # setup ARCH specific *FLAGS
-  TARGET_CFLAGS="-march=$TARGET_SUBARCH -mabi=aapcs-linux -Wno-psabi -Wa,-mno-warn-deprecated $TARGET_EXTRA_FLAGS"
+  TARGET_CFLAGS="-march=$TARGET_VARIANT -mabi=aapcs-linux -Wno-psabi -Wa,-mno-warn-deprecated $TARGET_EXTRA_FLAGS"
   [ -n "$TARGET_FPU" ] && TARGET_CFLAGS="$TARGET_CFLAGS $TARGET_FPU_FLAGS"
-  TARGET_LDFLAGS="-march=$TARGET_SUBARCH -mtune=$TARGET_CPU"
+  TARGET_LDFLAGS="-march=$TARGET_VARIANT -mtune=$TARGET_CPU"
   GCC_OPTS="--with-abi=aapcs-linux --with-arch=$TARGET_SUBARCH --with-float=$TARGET_FLOAT --with-fpu=$TARGET_FPU"
diff --git a/config/functions b/config/functions
@@ -342,8 +342,8 @@ dashes="==========================="
     linux_config_dir="$PROJECT_DIR/$PROJECT/linux"
   fi
 
-  if [ ! -e $linux_config_dir/linux.$TARGET_ARCH.conf ] &&
-     ! ls $linux_config_dir/*/linux.$TARGET_ARCH.conf &>/dev/null; then
+  if [ ! -e $linux_config_dir/linux.${TARGET_PATCH_ARCH:-$TARGET_ARCH}.conf ] &&
+     ! ls $linux_config_dir/*/linux.${TARGET_PATCH_ARCH:-$TARGET_ARCH}.conf &>/dev/null; then
     check_arch="$check_arch\n $dashes$dashes$dashes"
     check_arch="$check_arch\n ERROR: Architecture not found, use a valid Architecture"
     check_arch="$check_arch\n for your project or create a new config"

diff --git a/packages/addons/driver/sapphire/package.mk b/packages/addons/driver/sapphire/package.mk
@@ -33,6 +33,7 @@ PKG_AUTORECONF="no"
 PKG_IS_ADDON="yes"
 PKG_ADDON_NAME="Sapphire Remote Driver"
 PKG_ADDON_TYPE="xbmc.service"
+PKG_IS_KERNEL_PKG="yes"
 
 if [ -f $SYSROOT_PREFIX/usr/include/linux/input-event-codes.h ]; then
   INPUT_H="$SYSROOT_PREFIX/usr/include/linux/input-event-codes.h"

diff --git a/packages/devel/libcec/package.mk b/packages/devel/libcec/package.mk
@@ -47,7 +47,7 @@ else
 fi
 
 if [ "$KODIPLAYER_DRIVER" = "libamcodec" ]; then
-  if [ "$TARGET_ARCH" = "aarch64" ]; then
+  if [ "$TARGET_KERNEL_ARCH" = "arm64" ]; then
     PKG_CMAKE_OPTS_TARGET="$PKG_CMAKE_OPTS_TARGET -DHAVE_AOCEC_API=1"
   else
     PKG_CMAKE_OPTS_TARGET="$PKG_CMAKE_OPTS_TARGET -DHAVE_AMLOGIC_API=1"

diff --git a/packages/emulation/libretro-beetle-pcfx/package.mk b/packages/emulation/libretro-beetle-pcfx/package.mk
@@ -51,11 +51,12 @@ make_target() {
     imx6)
       make platform=armv7-cortexa9-neon-hardfloat
       ;;
-    WeTek_Play|WeTek_Core)
-      make platform=armv7-cortexa9-neon-hardfloat
-      ;;
-    Odroid_C2|WeTek_Hub|WeTek_Play_2)
-      make platform=aarch64
+    WeTek_Play|WeTek_Core|Odroid_C2|WeTek_Hub|WeTek_Play_2)
+      if [ "$TARGET_ARCH" = "aarch64" ]; then
+        make platform=aarch64
+      else
+        make platform=armv7-cortexa9-neon-hardfloat
+      fi
       ;;
     Generic)
       make

diff --git a/packages/emulation/libretro-craft/package.mk b/packages/emulation/libretro-craft/package.mk
@@ -58,11 +58,12 @@ make_target() {
     imx6)
       make -f Makefile.libretro platform=imx6
       ;;
-    WeTek_Play|WeTek_Core)
-      make -f Makefile.libretro platform=armv7-neon-gles-cortex-a9
-      ;;
-    Odroid_C2|WeTek_Hub|WeTek_Play_2)
-      make -f Makefile.libretro platform=aarch64
+    WeTek_Play|WeTek_Core|Odroid_C2|WeTek_Hub|WeTek_Play_2)
+      if [ "$TARGET_ARCH" = "aarch64" ]; then
+        make -f Makefile.libretro platform=aarch64
+      else
+        make -f Makefile.libretro platform=armv7-neon-gles-cortex-a9
+      fi
       ;;
     Generic)
       make -f Makefile.libretro

diff --git a/packages/emulation/libretro-mame2000/package.mk b/packages/emulation/libretro-mame2000/package.mk
@@ -41,14 +41,11 @@ configure_target() {
 }
 
 make_target() {
-  case $PROJECT in
-    RPi|imx6|WeTek_Play|WeTek_Core)
-      make ARM=1
-      ;;
-    Generic|Odroid_C2|WeTek_Hub|WeTek_Play_2)
-      make
-      ;;
-  esac
+  if [ "$TARGET_ARCH" = "arm" ]; then
+    make ARM=1
+  else
+    make
+  fi
 }
 
 makeinstall_target() {

diff --git a/packages/emulation/libretro-mame2010/package.mk b/packages/emulation/libretro-mame2010/package.mk
@@ -58,11 +58,12 @@ make_target() {
     imx6)
       make platform=armv7-neon-hardfloat-cortex-a9
       ;;
-    WeTek_Play|WeTek_Core)
-      make platform=armv7-neon-hardfloat-cortex-a9
-      ;;
-    Odroid_C2|WeTek_Hub|WeTek_Play_2)
-      make platform=aarch64
+    WeTek_Play|WeTek_Core|Odroid_C2|WeTek_Hub|WeTek_Play_2)
+      if [ "$TARGET_ARCH" = "aarch64" ]; then
+        make platform=aarch64
+      else
+        make platform=armv7-neon-hardfloat-cortex-a9
+      fi
       ;;
     Generic)
       make

diff --git a/packages/emulation/libretro-mame2014/package.mk b/packages/emulation/libretro-mame2014/package.mk
@@ -58,11 +58,12 @@ make_target() {
     imx6)
       make platform=armv7-neon-hardfloat-cortex-a9
       ;;
-    WeTek_Play|WeTek_Core)
-      make platform=armv7-neon-hardfloat-cortex-a9
-      ;;
-    Odroid_C2|WeTek_Hub|WeTek_Play_2)
-      make platform=aarch64
+    WeTek_Play|WeTek_Core|Odroid_C2|WeTek_Hub|WeTek_Play_2)
+      if [ "$TARGET_ARCH" = "aarch64" ]; then
+        make platform=aarch64
+      else
+        make platform=armv7-neon-hardfloat-cortex-a9
+      fi
       ;;
     Generic)
       make

diff --git a/packages/emulation/libretro-mupen64plus/package.mk b/packages/emulation/libretro-mupen64plus/package.mk
@@ -51,11 +51,12 @@ make_target() {
     imx6)
       make platform=imx6
       ;;
-    WeTek_Play|WeTek_Core)
-      make platform=armv7-neon-gles-cortex-a9
-      ;;
-    Odroid_C2|WeTek_Hub|WeTek_Play_2)
-      make platform=aarch64
+    WeTek_Play|WeTek_Core|Odroid_C2|WeTek_Hub|WeTek_Play_2)
+      if [ "$TARGET_ARCH" = "aarch64" ]; then
+        make platform=aarch64
+      else
+        make platform=armv7-neon-gles-cortex-a9
+      fi
       ;;
     Generic)
       make WITH_DYNAREC=x86_64

diff --git a/packages/emulation/libretro-pcsx-rearmed/package.mk b/packages/emulation/libretro-pcsx-rearmed/package.mk
@@ -60,11 +60,12 @@ make_target() {
     imx6)
       make -f Makefile.libretro platform=armv7-neon-hardfloat-cortex-a9
       ;;
-    WeTek_Play|WeTek_Core)
-      make -f Makefile.libretro platform=armv7-neon-hardfloat-cortex-a9
-      ;;
-    Odroid_C2|WeTek_Hub|WeTek_Play_2)
-      make -f Makefile.libretro platform=aarch64
+    WeTek_Play|WeTek_Core|Odroid_C2|WeTek_Hub|WeTek_Play_2)
+      if [ "$TARGET_ARCH" = "aarch64" ]; then
+        make -f Makefile.libretro platform=aarch64
+      else
+        make -f Makefile.libretro platform=armv7-neon-hardfloat-cortex-a9
+      fi
       ;;
     Generic)
       make -f Makefile.libretro 

diff --git a/packages/graphics/opengl-meson/package.mk b/packages/graphics/opengl-meson/package.mk
@@ -29,8 +29,12 @@ case $MESON_FAMILY in
     PKG_SHA256="21a8376668c84bf1b9e64a917fcfa1cf74689035fed8e4630833c9cde28d40c1"
     ;;
   gxbb)
-    PKG_VERSION="gxbb-r5p1-01rel0"
-    ;;
+    if [ "$TARGET_ARCH" = "arm" ]; then
+      PKG_VERSION="8-r5p1-01rel0-armhf"
+    else
+      PKG_VERSION="gxbb-r5p1-01rel0"
+    fi
+;;
 esac
 PKG_URL="$DISTRO_SRC/$PKG_NAME-$PKG_VERSION.tar.xz"
 PKG_DEPENDS_TARGET="toolchain"

diff --git a/...ang/Python/patches/aarch64/Python-001-fix_platform_machine_func_for_32bit_userspace.patch b/...ang/Python/patches/aarch64/Python-001-fix_platform_machine_func_for_32bit_userspace.patch
@@ -0,0 +1,13 @@
+diff -Naur Python-2.7.13.orig/Lib/platform.py Python-2.7.13/Lib/platform.py
+--- Python-2.7.13.orig/Lib/platform.py	2017-01-08 11:57:36.615886244 +0100
++++ Python-2.7.13/Lib/platform.py	2017-01-08 12:12:44.567848271 +0100
+@@ -1250,6 +1250,9 @@
+         system = 'Windows'
+         release = 'Vista'
+
++    if machine == 'aarch64' and architecture()[0] == '32bit':
++        machine = 'armv7l'
++
+     _uname_cache = system,node,release,version,machine,processor
+     return _uname_cache
+
diff --git a/packages/lang/gcc-linaro-aarch64-elf/package.mk b/packages/lang/gcc-linaro-aarch64-elf/package.mk
@@ -24,7 +24,6 @@ PKG_LICENSE="GPL"
 PKG_SITE=""
 PKG_URL="https://releases.linaro.org/components/toolchain/binaries/${PKG_VERSION}/aarch64-elf/gcc-linaro-${PKG_VERSION}-x86_64_aarch64-elf.tar.xz"
 PKG_SOURCE_DIR="gcc-linaro-${PKG_VERSION}-x86_64_aarch64-elf"
-PKG_DEPENDS_HOST="toolchain"
 PKG_SECTION="lang"
 PKG_SHORTDESC=""
 PKG_LONGDESC=""

diff --git a/packages/linux-drivers/RTL8188EU/package.mk b/packages/linux-drivers/RTL8188EU/package.mk
@@ -33,6 +33,7 @@ PKG_LONGDESC="Realtek RTL81xxEU Linux 3.x driver"
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   unset LDFLAGS

diff --git a/packages/linux-drivers/RTL8192CU/package.mk b/packages/linux-drivers/RTL8192CU/package.mk
@@ -32,6 +32,7 @@ PKG_LONGDESC="Realtek RTL81xxCU Linux 3.x driver"
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   unset LDFLAGS

diff --git a/packages/linux-drivers/RTL8192DU/package.mk b/packages/linux-drivers/RTL8192DU/package.mk
@@ -32,6 +32,7 @@ PKG_LONGDESC="Realtek RTL8192DU Linux 3.x driver"
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   unset LDFLAGS

diff --git a/packages/linux-drivers/RTL8192EU/package.mk b/packages/linux-drivers/RTL8192EU/package.mk
@@ -32,6 +32,7 @@ PKG_LONGDESC="Realtek RTL8192EU Linux 3.x driver"
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   unset LDFLAGS

diff --git a/packages/linux-drivers/RTL8812AU/package.mk b/packages/linux-drivers/RTL8812AU/package.mk
@@ -31,6 +31,7 @@ PKG_SHORTDESC="Realtek RTL8812AU Linux 3.x driver"
 PKG_LONGDESC="Realtek RTL8812AU Linux 3.x driver"
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   unset LDFLAGS

diff --git a/packages/linux-drivers/bcm_sta/package.mk b/packages/linux-drivers/bcm_sta/package.mk
@@ -34,6 +34,7 @@ PKG_LONGDESC="These packages contain Broadcom's IEEE 802.11a/b/g/n hybrid Linux
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 make_target() {
   cd x86-64

diff --git a/packages/linux-drivers/brcmap6xxx-aml/package.mk b/packages/linux-drivers/brcmap6xxx-aml/package.mk
@@ -31,6 +31,7 @@ PKG_LONGDESC="brcmap6xxx-aml: Linux drivers for AP6xxx WLAN chips used in some d
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 make_target() {
   cd bcmdhd_1_201_59_x

diff --git a/packages/linux-drivers/dvbhdhomerun/package.mk b/packages/linux-drivers/dvbhdhomerun/package.mk
@@ -33,6 +33,7 @@ PKG_LONGDESC="A linux DVB driver for the HDHomeRun TV tuner (http://www.silicond
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 PKG_CMAKE_SCRIPT="userhdhomerun/CMakeLists.txt"
 

diff --git a/packages/linux-drivers/gpu-aml/package.mk b/packages/linux-drivers/gpu-aml/package.mk
@@ -33,6 +33,7 @@ PKG_LONGDESC="gpu-aml: Linux drivers for Mali GPUs found in Amlogic Meson SoCs"
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 make_target() {
   LDFLAGS="" make -C $(kernel_path) M=$PKG_BUILD/mali \

diff --git a/packages/linux-drivers/intel_nuc_led/package.mk b/packages/linux-drivers/intel_nuc_led/package.mk
@@ -31,6 +31,7 @@ PKG_LONGDESC="Intel NUC7i[x]BN and NUC6CAY LED Control for Linux"
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   unset LDFLAGS

diff --git a/packages/linux-drivers/media_build/package.mk b/packages/linux-drivers/media_build/package.mk
@@ -31,6 +31,7 @@ PKG_SHORTDESC="DVB drivers that replace the version shipped with the kernel"
 PKG_LONGDESC="DVB drivers that replace the version shipped with the kernel"
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   export KERNEL_VER=$(get_module_dir)

diff --git a/packages/linux-drivers/slice-drivers/package.mk b/packages/linux-drivers/slice-drivers/package.mk
@@ -31,6 +31,7 @@ PKG_LONGDESC="linux kernel modules for the Slice box"
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 pre_make_target() {
   unset LDFLAGS

diff --git a/packages/linux-drivers/wetekdvb/package.mk b/packages/linux-drivers/wetekdvb/package.mk
@@ -31,6 +31,7 @@ PKG_LONGDESC="These package contains Wetek's DVB driver "
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
 make_target() {
   : # nothing todo

diff --git a/packages/linux/package.mk b/packages/linux/package.mk
@@ -72,8 +72,16 @@ esac
 
 PKG_IS_ADDON="no"
 PKG_AUTORECONF="no"
+PKG_IS_KERNEL_PKG="yes"
 
-PKG_MAKE_OPTS_HOST="ARCH=$TARGET_KERNEL_ARCH headers_check"
+if [ "$TARGET_KERNEL_ARCH" = "arm64" -a "$TARGET_ARCH" = "arm" ]; then
+  PKG_DEPENDS_HOST="$PKG_DEPENDS_HOST gcc-linaro-aarch64-elf:host"
+  PKG_DEPENDS_TARGET="$PKG_DEPENDS_HOST gcc-linaro-aarch64-elf:host"
+  TARGET_PREFIX=$TOOLCHAIN/lib/gcc-linaro-aarch64-elf/bin/aarch64-elf-
+  HEADERS_ARCH=$TARGET_ARCH
+fi
+
+PKG_MAKE_OPTS_HOST="ARCH=${HEADERS_ARCH:-$TARGET_KERNEL_ARCH} headers_check"
 
 if [ "$TARGET_ARCH" = "x86_64" ]; then
   PKG_DEPENDS_TARGET="$PKG_DEPENDS_TARGET intel-ucode:host kernel-firmware"
@@ -84,18 +92,25 @@ if [ "$BUILD_ANDROID_BOOTIMG" = "yes" ]; then
 fi
 
 post_patch() {
-  if [ -n "$DEVICE" -a -f $PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$PKG_VERSION/$PKG_NAME.$TARGET_ARCH.conf ]; then
-    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$PKG_VERSION/$PKG_NAME.$TARGET_ARCH.conf
-  elif [ -n "$DEVICE" -a -f $PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$PKG_NAME.$TARGET_ARCH.conf ]; then
-    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$PKG_NAME.$TARGET_ARCH.conf
-  elif [ -f $PROJECT_DIR/$PROJECT/$PKG_NAME/$PKG_VERSION/$PKG_NAME.$TARGET_ARCH.conf ]; then
-    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/$PKG_NAME/$PKG_VERSION/$PKG_NAME.$TARGET_ARCH.conf
-  elif [ -f $PROJECT_DIR/$PROJECT/$PKG_NAME/$PKG_NAME.$TARGET_ARCH.conf ]; then
-    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/$PKG_NAME/$PKG_NAME.$TARGET_ARCH.conf
-  elif [ -f $PKG_DIR/config/$PKG_VERSION/$PKG_NAME.$TARGET_ARCH.conf ]; then
-    KERNEL_CFG_FILE=$PKG_DIR/config/$PKG_VERSION/$PKG_NAME.$TARGET_ARCH.conf
+  CFG_FILE="$PKG_NAME.${TARGET_PATCH_ARCH:-$TARGET_ARCH}.conf"
+  if [ -n "$DEVICE" -a -f $PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$PKG_VERSION/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$PKG_VERSION/$CFG_FILE
+  elif [ -n "$DEVICE" -a -f $PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$LINUX/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$LINUX/$CFG_FILE
+  elif [ -n "$DEVICE" -a -f $PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/devices/$DEVICE/$PKG_NAME/$CFG_FILE
+  elif [ -f $PROJECT_DIR/$PROJECT/$PKG_NAME/$PKG_VERSION/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/$PKG_NAME/$PKG_VERSION/$CFG_FILE
+  elif [ -f $PROJECT_DIR/$PROJECT/$PKG_NAME/$LINUX/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/$PKG_NAME/$LINUX/$CFG_FILE
+  elif [ -f $PROJECT_DIR/$PROJECT/$PKG_NAME/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PROJECT_DIR/$PROJECT/$PKG_NAME/$CFG_FILE
+  elif [ -f $PKG_DIR/config/$PKG_VERSION/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PKG_DIR/config/$PKG_VERSION/$CFG_FILE
+  elif [ -f $PKG_DIR/config/$LINUX/$CFG_FILE ]; then
+    KERNEL_CFG_FILE=$PKG_DIR/config/$LINUX/$CFG_FILE
   else
-    KERNEL_CFG_FILE=$PKG_DIR/config/$PKG_NAME.$TARGET_ARCH.conf
+    KERNEL_CFG_FILE=$PKG_DIR/config/$CFG_FILE
   fi
 
   sed -i -e "s|^HOSTCC[[:space:]]*=.*$|HOSTCC = $TOOLCHAIN/bin/host-gcc|" \
@@ -148,7 +163,7 @@ post_patch() {
 }
 
 makeinstall_host() {
-  make ARCH=$TARGET_KERNEL_ARCH INSTALL_HDR_PATH=dest headers_install
+  make ARCH=${HEADERS_ARCH:-$TARGET_KERNEL_ARCH} INSTALL_HDR_PATH=dest headers_install
   mkdir -p $SYSROOT_PREFIX/usr/include
     cp -R dest/include/* $SYSROOT_PREFIX/usr/include
 }