qemu: Enable ppc64le support for qemu-usermode

glibc defines minimum kernel needed to be 3.10.0 for LE ppc64

(From OE-Core rev: c1c296a42920af6725706bdea8e61b8c4f5f14a8)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/qemu.bbclass

@@ -16,6 +16,8 @@ def qemu_target_binary(data):
         target_arch = "ppc"
     elif target_arch == "powerpc64":
         target_arch = "ppc64"
+    elif target_arch == "powerpc64le":
+        target_arch = "ppc64le"
 
     return "qemu-" + target_arch
 
@@ -62,3 +64,4 @@ QEMU_EXTRAOPTIONS_ppc64e5500 = " -cpu e500mc"
 QEMU_EXTRAOPTIONS_ppce6500 = " -cpu e500mc"
 QEMU_EXTRAOPTIONS_ppc64e6500 = " -cpu e500mc"
 QEMU_EXTRAOPTIONS_ppc7400 = " -cpu 7400"
+QEMU_EXTRAOPTIONS_powerpc64le = " -cpu POWER8"

meta/conf/bitbake.conf

@@ -430,6 +430,7 @@ SDKPATHNATIVE = "${SDKPATH}/sysroots/${SDK_SYS}"
 OLDEST_KERNEL = "3.2.0"
 OLDEST_KERNEL_aarch64 = "3.14"
 OLDEST_KERNEL_nios2 = "3.19"
+OLDEST_KERNEL_powerpc64le = "3.10.0"
 OLDEST_KERNEL_riscv32 = "4.15"
 OLDEST_KERNEL_riscv64 = "4.15"
 

meta/recipes-devtools/qemu/qemu-targets.inc

@@ -13,7 +13,7 @@ def get_qemu_target_list(d):
             softmmuonly += arch + "-softmmu,"
             archs.remove(arch)
     linuxuseronly = ""
-    for arch in ['armeb', 'alpha', 'ppc64abi32', 'sparc32plus', 'aarch64_be']:
+    for arch in ['armeb', 'alpha', 'ppc64abi32', 'ppc64le', 'sparc32plus', 'aarch64_be']:
         if arch in archs:
             linuxuseronly += arch + "-linux-user,"
             archs.remove(arch)

meta/recipes-devtools/qemu/qemu.inc

@@ -59,7 +59,7 @@ do_install_ptest() {
 }
 
 # QEMU_TARGETS is overridable variable
-QEMU_TARGETS ?= "arm aarch64 i386 mips mipsel mips64 mips64el ppc ppc64 riscv32 riscv64 sh4 x86_64"
+QEMU_TARGETS ?= "arm aarch64 i386 mips mipsel mips64 mips64el ppc ppc64 ppc64le riscv32 riscv64 sh4 x86_64"
 
 EXTRA_OECONF = " \
     --prefix=${prefix} \