summaryrefslogtreecommitdiff
path: root/arch/nios2/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/nios2/kernel')
-rw-r--r--arch/nios2/kernel/Makefile24
-rw-r--r--arch/nios2/kernel/nios2_ksyms.c33
-rw-r--r--arch/nios2/kernel/vmlinux.lds.S75
3 files changed, 132 insertions, 0 deletions
diff --git a/arch/nios2/kernel/Makefile b/arch/nios2/kernel/Makefile
new file mode 100644
index 000000000000..8ae76823ff93
--- /dev/null
+++ b/arch/nios2/kernel/Makefile
@@ -0,0 +1,24 @@
+#
+# Makefile for the nios2 linux kernel.
+#
+
+extra-y += head.o
+extra-y += vmlinux.lds
+
+obj-y += cpuinfo.o
+obj-y += entry.o
+obj-y += insnemu.o
+obj-y += irq.o
+obj-y += nios2_ksyms.o
+obj-y += process.o
+obj-y += prom.o
+obj-y += ptrace.o
+obj-y += setup.o
+obj-y += signal.o
+obj-y += sys_nios2.o
+obj-y += syscall_table.o
+obj-y += time.o
+obj-y += traps.o
+
+obj-$(CONFIG_MODULES) += module.o
+obj-$(CONFIG_NIOS2_ALIGNMENT_TRAP) += misaligned.o
diff --git a/arch/nios2/kernel/nios2_ksyms.c b/arch/nios2/kernel/nios2_ksyms.c
new file mode 100644
index 000000000000..bf2f55d10a4d
--- /dev/null
+++ b/arch/nios2/kernel/nios2_ksyms.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2004 Microtronix Datacom Ltd
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
+ */
+
+#include <linux/export.h>
+#include <linux/string.h>
+
+/* string functions */
+
+EXPORT_SYMBOL(memcpy);
+EXPORT_SYMBOL(memset);
+EXPORT_SYMBOL(memmove);
+
+/*
+ * libgcc functions - functions that are used internally by the
+ * compiler... (prototypes are not correct though, but that
+ * doesn't really matter since they're not versioned).
+ */
+#define DECLARE_EXPORT(name) extern void name(void); EXPORT_SYMBOL(name)
+
+DECLARE_EXPORT(__gcc_bcmp);
+DECLARE_EXPORT(__divsi3);
+DECLARE_EXPORT(__moddi3);
+DECLARE_EXPORT(__modsi3);
+DECLARE_EXPORT(__udivmoddi4);
+DECLARE_EXPORT(__udivsi3);
+DECLARE_EXPORT(__umoddi3);
+DECLARE_EXPORT(__umodsi3);
+DECLARE_EXPORT(__muldi3);
diff --git a/arch/nios2/kernel/vmlinux.lds.S b/arch/nios2/kernel/vmlinux.lds.S
new file mode 100644
index 000000000000..326fab40a9de
--- /dev/null
+++ b/arch/nios2/kernel/vmlinux.lds.S
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2009 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include <asm/page.h>
+#include <asm-generic/vmlinux.lds.h>
+#include <asm/cache.h>
+#include <asm/thread_info.h>
+
+OUTPUT_FORMAT("elf32-littlenios2", "elf32-littlenios2", "elf32-littlenios2")
+
+OUTPUT_ARCH(nios)
+ENTRY(_start) /* Defined in head.S */
+
+jiffies = jiffies_64;
+
+SECTIONS
+{
+ . = CONFIG_NIOS2_MEM_BASE | CONFIG_NIOS2_KERNEL_REGION_BASE;
+
+ _text = .;
+ _stext = .;
+ HEAD_TEXT_SECTION
+ .text : {
+ TEXT_TEXT
+ SCHED_TEXT
+ LOCK_TEXT
+ IRQENTRY_TEXT
+ KPROBES_TEXT
+ } =0
+ _etext = .;
+
+ .got : {
+ *(.got.plt)
+ *(.igot.plt)
+ *(.got)
+ *(.igot)
+ }
+
+ EXCEPTION_TABLE(L1_CACHE_BYTES)
+
+ . = ALIGN(PAGE_SIZE);
+ __init_begin = .;
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(PAGE_SIZE)
+ PERCPU_SECTION(L1_CACHE_BYTES)
+ __init_end = .;
+
+ _sdata = .;
+ RO_DATA_SECTION(PAGE_SIZE)
+ RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
+ _edata = .;
+
+ BSS_SECTION(0, 0, 0)
+ _end = .;
+
+ STABS_DEBUG
+ DWARF_DEBUG
+ NOTES
+
+ DISCARDS
+}