From aafb337e8a34d1af08c1cf1a93da007f4e775ba3 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Fri, 3 Dec 2010 15:59:50 +0000
Subject: [PATCH] --- yaml --- r: 222879 b: refs/heads/master c:
 a9df42e1175d30545ffa1e17a3df1b39c107d33a h: refs/heads/master i:   222877:
 3e49059f0584826e31b7527326ea6aac9742161f   222875:
 93c3a32d29c3398473a7983c463d1136a98465fa   222871:
 0672422ddea6cd4e50030e2db39ede3fc607fd0d   222863:
 68fdc5352f591fea95505fc4599882564084b1df   222847:
 61c88f69670f24258bf08c082f272cab790e8dfe v: v3

---
 [refs]                                   |   2 +-
 trunk/arch/mn10300/include/asm/syscall.h | 117 +++++++++++++++++++++++
 2 files changed, 118 insertions(+), 1 deletion(-)
 create mode 100644 trunk/arch/mn10300/include/asm/syscall.h

diff --git a/[refs] b/[refs]
index e862b7479477..b2750e958b8a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 59e57c622c3502346e8f930421ebc482d639520c
+refs/heads/master: a9df42e1175d30545ffa1e17a3df1b39c107d33a
diff --git a/trunk/arch/mn10300/include/asm/syscall.h b/trunk/arch/mn10300/include/asm/syscall.h
new file mode 100644
index 000000000000..b44b0bb75a01
--- /dev/null
+++ b/trunk/arch/mn10300/include/asm/syscall.h
@@ -0,0 +1,117 @@
+/* Access to user system call parameters and results
+ *
+ * See asm-generic/syscall.h for function descriptions.
+ *
+ * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_SYSCALL_H
+#define _ASM_SYSCALL_H
+
+#include <linux/sched.h>
+#include <linux/err.h>
+
+extern const unsigned long sys_call_table[];
+
+static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
+{
+	return regs->orig_d0;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+				    struct pt_regs *regs)
+{
+	regs->d0 = regs->orig_d0;
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+				     struct pt_regs *regs)
+{
+	unsigned long error = regs->d0;
+	return IS_ERR_VALUE(error) ? error : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+					    struct pt_regs *regs)
+{
+	return regs->d0;
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+					    struct pt_regs *regs,
+					    int error, long val)
+{
+	regs->d0 = (long) error ?: val;
+}
+
+static inline void syscall_get_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 unsigned long *args)
+{
+	switch (i) {
+	case 0:
+		if (!n--) break;
+		*args++ = regs->a0;
+	case 1:
+		if (!n--) break;
+		*args++ = regs->d1;
+	case 2:
+		if (!n--) break;
+		*args++ = regs->a3;
+	case 3:
+		if (!n--) break;
+		*args++ = regs->a2;
+	case 4:
+		if (!n--) break;
+		*args++ = regs->d3;
+	case 5:
+		if (!n--) break;
+		*args++ = regs->d2;
+	case 6:
+		if (!n--) break;
+	default:
+		BUG();
+		break;
+	}
+}
+
+static inline void syscall_set_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 const unsigned long *args)
+{
+	switch (i) {
+	case 0:
+		if (!n--) break;
+		regs->a0 = *args++;
+	case 1:
+		if (!n--) break;
+		regs->d1 = *args++;
+	case 2:
+		if (!n--) break;
+		regs->a3 = *args++;
+	case 3:
+		if (!n--) break;
+		regs->a2 = *args++;
+	case 4:
+		if (!n--) break;
+		regs->d3 = *args++;
+	case 5:
+		if (!n--) break;
+		regs->d2 = *args++;
+	case 6:
+		if (!n--) break;
+	default:
+		BUG();
+		break;
+	}
+}
+
+#endif /* _ASM_SYSCALL_H */