arm64: Build infrastructure

This patch adds Makefile and Kconfig files required for building an
AArch64 kernel.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
new file mode 100644
index 000000000000..e2caff1b812a
--- /dev/null
+++ b/arch/arm64/kernel/Makefile
@@ -0,0 +1,27 @@
+#
+# Makefile for the linux kernel.
+#
+
+CPPFLAGS_vmlinux.lds    := -DTEXT_OFFSET=$(TEXT_OFFSET)
+AFLAGS_head.o           := -DTEXT_OFFSET=$(TEXT_OFFSET)
+
+# Object file lists.
+arm64-obj-y             := cputable.o debug-monitors.o entry.o irq.o fpsimd.o   \
+                           entry-fpsimd.o process.o ptrace.o setup.o signal.o   \
+                           sys.o stacktrace.o time.o traps.o io.o vdso.o
+
+arm64-obj-$(CONFIG_COMPAT)              += sys32.o kuser32.o signal32.o         \
+                                           sys_compat.o
+arm64-obj-$(CONFIG_MODULES)             += arm64ksyms.o module.o
+arm64-obj-$(CONFIG_SMP)                 += smp.o
+arm64-obj-$(CONFIG_HW_PERF_EVENTS)      += perf_event.o
+arm64-obj-$(CONFIG_HAVE_HW_BREAKPOINT)+= hw_breakpoint.o
+
+obj-y                                   += $(arm64-obj-y) vdso/
+obj-m                                   += $(arm64-obj-m)
+head-y                                  := head.o
+extra-y                                 := $(head-y) vmlinux.lds
+
+# vDSO - this must be built first to generate the symbol offsets
+$(call objectify,$(arm64-obj-y)): $(obj)/vdso/vdso-offsets.h
+$(obj)/vdso/vdso-offsets.h: $(obj)/vdso