powerpc: add powerpc64 and powerpc64le support

This enables powerpc64 and powerpc64le. Currently, le needs at least
glibc 2.19 and gcc 4.9.0. For gdb, 7.7.1 works (added in an earlier
patch).

[Peter: also disallow gcc 4.8 for ppc64le]
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Makefile

@@ -38,7 +38,7 @@ export HOSTARCH := $(shell uname -m | \
 	    -e s/sun4u/sparc64/ \
 	    -e s/arm.*/arm/ \
 	    -e s/sa110/arm/ \
-	    -e s/ppc64/powerpc/ \
+	    -e s/ppc64/powerpc64/ \
 	    -e s/ppc/powerpc/ \
 	    -e s/macppc/powerpc/\
 	    -e s/sh.*/sh/)

arch/Config.in

@@ -140,6 +140,16 @@ config BR2_powerpc
 	bool "PowerPC"
 	help
 	  PowerPC is a RISC architecture created by Apple-IBM-Motorola alliance.
+	  Big endian.
+	  http://www.power.org/
+	  http://en.wikipedia.org/wiki/Powerpc
+
+config BR2_powerpc64
+	bool "PowerPC64 (big endian)"
+	select BR2_ARCH_IS_64
+	help
+	  PowerPC is a RISC architecture created by Apple-IBM-Motorola alliance.
+	  Big endian.
 	  http://www.power.org/
 	  http://en.wikipedia.org/wiki/Powerpc
 
@@ -148,6 +158,7 @@ config BR2_powerpc64le
 	select BR2_ARCH_IS_64
 	help
 	  PowerPC is a RISC architecture created by Apple-IBM-Motorola alliance.
+	  Little endian.
 	  http://www.power.org/
 	  http://en.wikipedia.org/wiki/Powerpc
 
@@ -329,7 +340,7 @@ if BR2_nios2
 source "arch/Config.in.nios2"
 endif
 
-if BR2_powerpc || BR2_powerpc64le
+if BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le
 source "arch/Config.in.powerpc"
 endif
 

arch/Config.in.powerpc

@@ -150,10 +150,11 @@ config BR2_POWERPC_SOFT_FLOAT
 
 config BR2_ARCH
 	default "powerpc"	if BR2_powerpc
+	default "powerpc64"	if BR2_powerpc64
 	default "powerpc64le"	if BR2_powerpc64le
 
 config BR2_ENDIAN
-	default "BIG"    if BR2_powerpc
+	default "BIG"    if BR2_powerpc || BR2_powerpc64
 	default "LITTLE" if BR2_powerpc64le
 
 config BR2_GCC_TARGET_TUNE

linux/Config.in

@@ -184,7 +184,8 @@ config BR2_LINUX_KERNEL_BZIMAGE
 
 config BR2_LINUX_KERNEL_ZIMAGE
 	bool "zImage"
-	depends on BR2_arm || BR2_armeb || BR2_powerpc || BR2_sparc || \
+	depends on BR2_arm || BR2_armeb || BR2_powerpc || \
+		   BR2_powerpc64 || BR2_powerpc64le || BR2_sparc || \
 		   BR2_sh || BR2_sh64 || BR2_xtensa
 
 config BR2_LINUX_KERNEL_APPENDED_ZIMAGE

package/Makefile.in

@@ -321,7 +321,7 @@ endif
 ifeq ($(BR2_m68k),y)
 BR2_AC_CV_TRAP_CHECK=ac_cv_lbl_unaligned_fail=no
 endif
-ifeq ($(BR2_powerpc)$(BR2_ENDIAN),yBIG)
+ifeq ($(BR2_powerpc)$(BR2_powerpc64)$(BR2_powerpc64le),y)
 BR2_AC_CV_TRAP_CHECK=ac_cv_lbl_unaligned_fail=no
 endif
 

package/gcc/Config.in.host

@@ -20,14 +20,14 @@ choice
 		bool "gcc 4.2.2-avr32-2.1.5"
 
 	config BR2_GCC_VERSION_4_3_X
-		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_cortex_a5 && !BR2_cortex_a7 && !BR2_cortex_a8 && !BR2_cortex_a9 && !BR2_cortex_a12 && !BR2_cortex_a15 && !BR2_x86_corei7 && !BR2_x86_atom && !BR2_x86_jaguar && !BR2_powerpc_e300c2 && !BR2_powerpc_e300c3 && !BR2_powerpc_e500mc && !BR2_powerpc_464 && !BR2_powerpc_464fp && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4
+		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_cortex_a5 && !BR2_cortex_a7 && !BR2_cortex_a8 && !BR2_cortex_a9 && !BR2_cortex_a12 && !BR2_cortex_a15 && !BR2_x86_corei7 && !BR2_x86_atom && !BR2_x86_jaguar && !BR2_powerpc_e300c2 && !BR2_powerpc_e300c3 && !BR2_powerpc_e500mc && !BR2_powerpc_464 && !BR2_powerpc_464fp && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4 && !BR2_powerpc64le
 		depends on !BR2_ARM_EABIHF
 		bool "gcc 4.3.x"
 		# musl patches only for gcc 4.7+
 		depends on !BR2_TOOLCHAIN_BUILDROOT_MUSL
 
 	config BR2_GCC_VERSION_4_4_X
-		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_cortex_a5 && !BR2_cortex_a7 && !BR2_cortex_a12 && !BR2_cortex_a15 && !BR2_x86_corei7 && !BR2_x86_atom && !BR2_x86_jaguar && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4
+		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_cortex_a5 && !BR2_cortex_a7 && !BR2_cortex_a12 && !BR2_cortex_a15 && !BR2_x86_corei7 && !BR2_x86_atom && !BR2_x86_jaguar && !BR2_powerpc_476 && !BR2_powerpc_476fp && !BR2_fa526 && !BR2_pj4 && !BR2_powerpc64le
 		bool "gcc 4.4.x"
 		# ARM EABIhf support appeared in gcc 4.6
 		depends on !BR2_ARM_EABIHF
@@ -37,7 +37,7 @@ choice
 		depends on !BR2_TOOLCHAIN_BUILDROOT_MUSL
 
 	config BR2_GCC_VERSION_4_5_X
-		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_cortex_a7 && !BR2_cortex_a12 && !BR2_cortex_a15 && !BR2_x86_corei7 && !BR2_x86_jaguar && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_fa526 && !BR2_pj4
+		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_cortex_a7 && !BR2_cortex_a12 && !BR2_cortex_a15 && !BR2_x86_corei7 && !BR2_x86_jaguar && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_fa526 && !BR2_pj4 && !BR2_powerpc64le
 		select BR2_GCC_NEEDS_MPC
 		# ARM EABIhf support appeared in gcc 4.6
 		depends on !BR2_ARM_EABIHF
@@ -46,19 +46,19 @@ choice
 		bool "gcc 4.5.x"
 
 	config BR2_GCC_VERSION_4_6_X
-		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a7 && !BR2_cortex_a12 && !BR2_x86_jaguar && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4
+		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a7 && !BR2_cortex_a12 && !BR2_x86_jaguar && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4 && !BR2_powerpc64le
 		select BR2_GCC_NEEDS_MPC
 		# musl patches only for gcc 4.7+
 		depends on !BR2_TOOLCHAIN_BUILDROOT_MUSL
 		bool "gcc 4.6.x"
 
 	config BR2_GCC_VERSION_4_7_X
-		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a12 && !BR2_x86_jaguar && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4
+		depends on !BR2_microblaze && !BR2_aarch64 && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a12 && !BR2_x86_jaguar && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_pj4 && !BR2_powerpc64le
 		select BR2_GCC_NEEDS_MPC
 		bool "gcc 4.7.x"
 
 	config BR2_GCC_VERSION_4_8_X
-		depends on !BR2_microblaze && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a12 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8
+		depends on !BR2_microblaze && !BR2_arc && !BR2_avr32 && !BR2_bfin && !BR2_cortex_a12 && !BR2_sparc_sparchfleon && !BR2_sparc_sparchfleonv8 && !BR2_sparc_sparcsfleon && !BR2_sparc_sparcsfleonv8 && !BR2_powerpc64le
 		select BR2_GCC_NEEDS_MPC
 		bool "gcc 4.8.x"
 

package/glibc/Config.in

@@ -2,20 +2,21 @@ if BR2_TOOLCHAIN_BUILDROOT_GLIBC
 
 choice
 	prompt "glibc version"
-	default BR2_GLIBC_VERSION_2_19 if BR2_powerpc64le
 	default BR2_GLIBC_VERSION_2_18
 	# Architectures supported in mainline glibc
 	depends on BR2_arm         || BR2_armeb    || BR2_aarch64 || \
 		   BR2_i386        || BR2_mips     || BR2_mipsel  || \
 		   BR2_mips64      || BR2_mips64el || BR2_powerpc || \
-		   BR2_powerpc64le || BR2_sh       || BR2_sh64    || \
-		   BR2_sparc       || BR2_x86_64   || BR2_microblaze
+		   BR2_powerpc64   || BR2_powerpc64le || BR2_sh   || \
+		   BR2_sh64        || BR2_sparc    || BR2_x86_64  || \\
+		   BR2_microblaze
 
 config BR2_GLIBC_VERSION_2_18
-       bool "2.18"
+	bool "2.18"
+	depends on !BR2_powerpc64le
 
 config BR2_GLIBC_VERSION_2_19
-       bool "2.19"
+	bool "2.19"
 
 endchoice
 

package/libatomic_ops/Config.in

@@ -1,6 +1,6 @@
 config BR2_PACKAGE_LIBATOMIC_ARCH_SUPPORTS
 	bool
-	default y if BR2_arm || BR2_armeb || BR2_aarch64 || BR2_i386 || BR2_sparc || BR2_powerpc || BR2_x86_64
+	default y if BR2_arm || BR2_armeb || BR2_aarch64 || BR2_i386 || BR2_sparc || BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || BR2_x86_64
 
 config BR2_PACKAGE_LIBATOMIC_OPS
 	bool "libatomic_ops"

package/openssl/openssl.mk

@@ -42,6 +42,12 @@ ifeq ($(BR2_powerpc_401)$(BR2_powerpc_403)$(BR2_powerpc_405)$(BR2_powerpc_405fp)
 	OPENSSL_TARGET_ARCH = ppc
 endif
 endif
+ifeq ($(ARCH),powerpc64)
+	OPENSSL_TARGET_ARCH = ppc64
+endif
+ifeq ($(ARCH),powerpc64le)
+	OPENSSL_TARGET_ARCH = ppc64le
+endif
 ifeq ($(ARCH),x86_64)
 	OPENSSL_TARGET_ARCH = x86_64
 endif

package/systemd/Config.in

@@ -2,7 +2,8 @@ config BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
 	bool
 	# see src/shared/architecture.h
 	default y if BR2_arm || BR2_armeb || BR2_i386 || BR2_mips || \
-		BR2_mipsel || BR2_powerpc || BR2_sh4 || BR2_sh4eb || \
+		BR2_mipsel || BR2_powerpc || BR2_powerpc64 || \
+		BR2_powerpc64le || BR2_sh4 || BR2_sh4eb || \
 		BR2_sh4a || BR2_sh4aeb || BR2_sparc || BR2_x86_64 || \
 		BR2_aarch64 || BR2_m68k
 

toolchain/toolchain-buildroot/Config.in

@@ -45,7 +45,7 @@ config BR2_TOOLCHAIN_BUILDROOT_EGLIBC
 		   BR2_i386   || BR2_mips     || BR2_mipsel  || \
 		   BR2_mips64 || BR2_mips64el || BR2_powerpc || \
 		   BR2_sh     || BR2_sh64     || BR2_sparc   || \
-		   BR2_x86_64 || BR2_microblaze
+		   BR2_x86_64 || BR2_microblaze || BR2_powerpc64
 	depends on BR2_USE_MMU
 	depends on !BR2_PREFER_STATIC_LIB
 	select BR2_TOOLCHAIN_USES_GLIBC
@@ -62,8 +62,9 @@ config BR2_TOOLCHAIN_BUILDROOT_GLIBC
 	depends on BR2_arm         || BR2_armeb    || BR2_aarch64 || \
 		   BR2_i386        || BR2_mips     || BR2_mipsel  || \
 		   BR2_mips64      || BR2_mips64el || BR2_powerpc || \
-		   BR2_powerpc64le || BR2_sh       || BR2_sh64    || \
-		   BR2_sparc       || BR2_x86_64   || BR2_microblaze
+		   BR2_powerpc64   || BR2_powerpc64le || BR2_sh   || \
+		   BR2_sh64        || BR2_sparc    || BR2_x86_64  || \
+		   BR2_microblaze
 	depends on BR2_USE_MMU
 	depends on !BR2_PREFER_STATIC_LIB
 	select BR2_TOOLCHAIN_USES_GLIBC