3 files changed, 22 insertions, 3 deletions

diff --git a/meta/conf/machine/include/ia32/arch-ia32.inc b/meta/conf/machine/include/ia32/arch-ia32.inc
index 2709440db3..96980d28fb 100644
--- a/meta/conf/machine/include/ia32/arch-ia32.inc
+++ b/meta/conf/machine/include/ia32/arch-ia32.inc
@@ -9,13 +9,22 @@ X86ARCH64 ?= "x86_64"
 
 # ELF32 ABI
 TUNEVALID[m32] = "IA32 ELF32 standard ABI"
-TUNECONFLICTS[m32] = "m64"
+TUNECONFLICTS[m32] = "m64 mx32"
 TUNE_ARCH .= "${@bb.utils.contains("TUNE_FEATURES", "m32", "${X86ARCH32}", "" ,d)}"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "m32", "-m32", "", d)}"
 
+# x32 ABI
+TUNEVALID[mx32] = "IA32e (x86_64) ELF32 standard ABI"
+TUNECONFLICTS[mx32] = "m64 m32"
+TUNE_ARCH .= "${@bb.utils.contains("TUNE_FEATURES", "mx32", "${X86ARCH64}", "" ,d)}"
+ABIEXTENSION .= "${@bb.utils.contains("TUNE_FEATURES", "mx32", "x32", "" ,d)}"
+TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "mx32", "-mx32", "", d)}"
+TUNE_LDARGS += "${@bb.utils.contains("TUNE_FEATURES", "mx32", "-m elf32_x86_64", "", d)}"
+TUNE_ASARGS += "${@bb.utils.contains("TUNE_FEATURES", "mx32", "-x32", "", d)}"
+
 # ELF64 ABI
 TUNEVALID[m64] = "IA32e (x86_64) ELF64 standard ABI"
-TUNECONFLICT[m64] = "m32"
+TUNECONFLICT[m64] = "m32 mx32"
 TUNE_ARCH .= "${@bb.utils.contains("TUNE_FEATURES", "m64", "${X86ARCH64}", "" ,d)}"
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "m64", "-m64", "", d)}"
 
@@ -31,3 +40,9 @@ AVAILTUNES += "x86-64"
 TUNE_FEATURES_tune-x86-64 ?= "m64"
 BASE_LIB_tune-x86-64 ?= "lib64"
 PACKAGE_EXTRA_ARCHS_tune-x86-64 = "x86_64"
+
+AVAILTUNES += "x86-64-x32"
+TUNE_FEATURES_tune-x86-64-x32 ?= "mx32"
+BASE_LIB_tune-x86-64-x32 ?= "lib"
+PACKAGE_EXTRA_ARCHS_tune-x86-64-x32 = "x86_64-x32"
+TUNE_PKGARCH .= "${@bb.utils.contains("TUNE_FEATURES", "mx32", "-x32", "", d)}"
diff --git a/meta/conf/machine/include/tune-core2.inc b/meta/conf/machine/include/tune-core2.inc
index 25c2226c27..78f8f4d430 100644
--- a/meta/conf/machine/include/tune-core2.inc
+++ b/meta/conf/machine/include/tune-core2.inc
@@ -18,3 +18,7 @@ TUNE_FEATURES_tune-core2-64 ?= "${TUNE_FEATURES_tune-x86-64} core2"
 BASE_LIB_tune-core2-64 ?= "lib64"
 PACKAGE_EXTRA_ARCHS_tune-core2-64 = "${PACKAGE_EXTRA_ARCHS_tune-x86-64} core2-64"
 
+AVAILTUNES += "core2-64-x32"
+TUNE_FEATURES_tune-core2-64-x32 ?= "${TUNE_FEATURES_tune-x86-64-x32} core2"
+BASE_LIB_tune-core2-64-x32 ?= "lib"
+PACKAGE_EXTRA_ARCHS_tune-core2-64-x32 = "${PACKAGE_EXTRA_ARCHS_tune-x86-64-x32} core2-64-x32"
diff --git a/meta/conf/machine/include/tune-x86_64.inc b/meta/conf/machine/include/tune-x86_64.inc
index 04b0f96678..50f20baf5f 100644
--- a/meta/conf/machine/include/tune-x86_64.inc
+++ b/meta/conf/machine/include/tune-x86_64.inc
@@ -1,3 +1,3 @@
 require conf/machine/include/ia32/arch-ia32.inc
 
-DEFAULTTUNE = "x86-64"
+DEFAULTTUNE ?= "x86-64"