use nocona for qemu-system-x86_64

target/config/Config.in.cpu

@@ -21,6 +21,13 @@ config ADK_CPU_AMDFAM10
 	select ADK_TARGET_WITH_NPTL
 	select ADK_TARGET_WITH_MMU
 
+config ADK_CPU_NOCONA
+	bool
+	select ADK_LINUX_64
+	select ADK_TARGET_CPU_WITH_VT
+	select ADK_TARGET_WITH_NPTL
+	select ADK_TARGET_WITH_MMU
+
 config ADK_CPU_ARC700
 	bool
 	select ADK_TARGET_WITH_NPTL
@@ -760,6 +767,7 @@ config ADK_TARGET_GCC_ARCH
 	default "mips32r2" if ADK_CPU_MIPS32R2
 	default "mips64" if ADK_CPU_MIPS64
 	default "mips64r2" if ADK_CPU_MIPS64R2
+	default "nocona" if ADK_CPU_NOCONA
 	default "pentium-m" if ADK_CPU_PENTIUM_M
 	default "x86-64" if ADK_CPU_X86_64
 

target/x86_64/systems/qemu-x86_64

@@ -1,6 +1,6 @@
 config ADK_TARGET_SYSTEM_QEMU_X86_64
 	bool "Qemu Emulator"
-	select ADK_CPU_X86_64
+	select ADK_CPU_NOCONA
 	select ADK_TARGET_QEMU
 	select ADK_TARGET_KERNEL_BZIMAGE
 	help