nds32: Build infrastructure

This patch adds Makefile, Kconfig and vmlinux.lds.S files required for building
an nds32 kernel.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 57 insertions, 0 deletions

diff --git a/arch/nds32/kernel/vmlinux.lds.S b/arch/nds32/kernel/vmlinux.lds.S
new file mode 100644
index 000000000000..288313b886ef
--- /dev/null
+++ b/arch/nds32/kernel/vmlinux.lds.S
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2005-2017 Andes Technology Corporation
+
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm/cache.h>
+#include <asm/memory.h>
+
+#define LOAD_OFFSET	(PAGE_OFFSET - PHYS_OFFSET)
+#include <asm-generic/vmlinux.lds.h>
+
+OUTPUT_ARCH(nds32)
+ENTRY(_stext_lma)
+jiffies = jiffies_64;
+
+SECTIONS
+{
+	_stext_lma = TEXTADDR - LOAD_OFFSET;
+	. = TEXTADDR;
+	__init_begin = .;
+	HEAD_TEXT_SECTION
+	INIT_TEXT_SECTION(PAGE_SIZE)
+	INIT_DATA_SECTION(16)
+	PERCPU_SECTION(L1_CACHE_BYTES)
+	__init_end = .;
+
+	. = ALIGN(PAGE_SIZE);
+	_stext = .;
+	/* Real text segment */
+	.text : AT(ADDR(.text) - LOAD_OFFSET) {
+		_text = .;		/* Text and read-only data	*/
+		TEXT_TEXT
+		SCHED_TEXT
+		CPUIDLE_TEXT
+		LOCK_TEXT
+		KPROBES_TEXT
+		IRQENTRY_TEXT
+		*(.fixup)
+	}
+
+	_etext = .;			/* End of text and rodata section */
+
+	_sdata = .;
+	RO_DATA_SECTION(PAGE_SIZE)
+	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+	_edata  =  .;
+
+	EXCEPTION_TABLE(16)
+	NOTES
+	BSS_SECTION(4, 4, 4)
+	_end = .;
+
+	STABS_DEBUG
+	DWARF_DEBUG
+
+	DISCARDS
+}