1 files changed, 49 insertions, 28 deletions
diff --git a/meta/classes/kernel-arch.bbclass b/meta/classes/kernel-arch.bbclass
index d6ae2e71a2..d036fcf20c 100644
--- a/meta/classes/kernel-arch.bbclass
+++ b/meta/classes/kernel-arch.bbclass
@@ -6,37 +6,58 @@
 
 valid_archs = "alpha cris ia64 \
                i386 x86 \
-               m68knommu m68k ppc powerpc ppc64  \
-	       sparc sparc64 \
-               arm  arm26 \
+               m68knommu m68k ppc powerpc powerpc64 ppc64  \
+               sparc sparc64 \
+               arm aarch64 \
                m32r mips \
-	       sh sh64 um h8300   \
-	       parisc s390  v850 \
-	       avr32 blackfin"
+               sh sh64 um h8300   \
+               parisc s390  v850 \
+               avr32 blackfin \
+               microblaze \
+               nios2 arc xtensa"
 
 def map_kernel_arch(a, d):
-	import re
-
-	valid_archs = bb.data.getVar('valid_archs', d, 1).split()
-
-	if   re.match('(i.86|athlon|x86.64)$', a):	return 'x86'
-	elif re.match('arm26$', a):		        return 'arm26'
-	elif re.match('armeb$', a):		        return 'arm'
-	elif re.match('mipsel$', a):		        return 'mips'
-	elif re.match('sh(3|4)$', a):		        return 'sh'
-	elif re.match('bfin', a):                       return 'blackfin'
-        elif a in valid_archs:			        return a
-	else:
-		bb.error("cannot map '%s' to a linux kernel architecture" % a)
-
-export ARCH = "${@map_kernel_arch(bb.data.getVar('TARGET_ARCH', d, 1), d)}"
+    import re
+
+    valid_archs = d.getVar('valid_archs').split()
+
+    if   re.match('(i.86|athlon|x86.64)$', a):  return 'x86'
+    elif re.match('armeb$', a):                 return 'arm'
+    elif re.match('aarch64$', a):               return 'arm64'
+    elif re.match('aarch64_be$', a):            return 'arm64'
+    elif re.match('mips(isa|)(32|64|)(r6|)(el|)$', a):      return 'mips'
+    elif re.match('p(pc|owerpc)(|64)', a):      return 'powerpc'
+    elif re.match('sh(3|4)$', a):               return 'sh'
+    elif re.match('bfin', a):                   return 'blackfin'
+    elif re.match('microblazee[bl]', a):        return 'microblaze'
+    elif a in valid_archs:                      return a
+    else:
+        if not d.getVar("TARGET_OS").startswith("linux"):
+            return a
+        bb.error("cannot map '%s' to a linux kernel architecture" % a)
+
+export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH'), d)}"
 
 def map_uboot_arch(a, d):
-	import re
-
-	if   re.match('powerpc$', a): return 'ppc'
-	elif re.match('i.86$', a): return 'x86'
-	return a
-
-export UBOOT_ARCH = "${@map_uboot_arch(bb.data.getVar('ARCH', d, 1), d)}"
+    import re
+
+    if   re.match('p(pc|owerpc)(|64)', a): return 'ppc'
+    elif re.match('i.86$', a): return 'x86'
+    return a
+
+export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH'), d)}"
+
+# Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
+# specific options necessary for building the kernel and modules.
+TARGET_CC_KERNEL_ARCH ?= ""
+HOST_CC_KERNEL_ARCH ?= "${TARGET_CC_KERNEL_ARCH}"
+TARGET_LD_KERNEL_ARCH ?= ""
+HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
+TARGET_AR_KERNEL_ARCH ?= ""
+HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}"
+
+KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd"
+KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
+KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
+TOOLCHAIN = "gcc"