nds32: Assembly macros and definitions

This patch includes assembly macros, bit field definitions used in .S
files across arch/nds32/.

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, 28 insertions, 0 deletions

diff --git a/arch/nds32/kernel/asm-offsets.c b/arch/nds32/kernel/asm-offsets.c
new file mode 100644
index 000000000000..3541d5981de7
--- /dev/null
+++ b/arch/nds32/kernel/asm-offsets.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2005-2017 Andes Technology Corporation
+
+#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
+#include <linux/kbuild.h>
+#include <asm/thread_info.h>
+#include <asm/ptrace.h>
+
+int main(void)
+{
+        DEFINE(TSK_TI_FLAGS, offsetof(struct task_struct, thread_info.flags));
+        DEFINE(TSK_TI_PREEMPT,
+               offsetof(struct task_struct, thread_info.preempt_count));
+        DEFINE(THREAD_CPU_CONTEXT,
+               offsetof(struct task_struct, thread.cpu_context));
+        DEFINE(OSP_OFFSET, offsetof(struct pt_regs, osp));
+        DEFINE(SP_OFFSET, offsetof(struct pt_regs, sp));
+        DEFINE(FUCOP_CTL_OFFSET, offsetof(struct pt_regs, fucop_ctl));
+        DEFINE(IPSW_OFFSET, offsetof(struct pt_regs, ipsw));
+        DEFINE(SYSCALLNO_OFFSET, offsetof(struct pt_regs, syscallno));
+        DEFINE(IPC_OFFSET, offsetof(struct pt_regs, ipc));
+        DEFINE(R0_OFFSET, offsetof(struct pt_regs, uregs[0]));
+        DEFINE(R15_OFFSET, offsetof(struct pt_regs, uregs[15]));
+        DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
+        DEFINE(CLOCK_COARSE_RES, LOW_RES_NSEC);
+        return 0;
+}