commit e958203796650e3959a43708d67534bf36f4c83b
author b.liu <b.liu@mobiletek.cn> Thu Apr 17 19:18:16 2025 +0800
committer b.liu <b.liu@mobiletek.cn> Thu Apr 17 19:18:16 2025 +0800
tree b2d43b7c77053224287779c12b5e890cadc3d327
parent f51a5559b56d8fd47d9623531065443befb43e5b

ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1

marvell/linux/arch/openrisc/include/asm/syscall.h

diff --git a/marvell/linux/arch/openrisc/include/asm/syscall.h b/marvell/linux/arch/openrisc/include/asm/syscall.h
new file mode 100644
index 0000000..e6383be
--- /dev/null
+++ b/marvell/linux/arch/openrisc/include/asm/syscall.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * OpenRISC Linux
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others.  All original copyrights apply as per the original source
+ * declaration.
+ *
+ * OpenRISC implementation:
+ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ * et al.
+ */
+
+#ifndef __ASM_OPENRISC_SYSCALL_H__
+#define __ASM_OPENRISC_SYSCALL_H__
+
+#include <uapi/linux/audit.h>
+#include <linux/err.h>
+#include <linux/sched.h>
+
+static inline int
+syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
+{
+	return regs->orig_gpr11;
+}
+
+static inline void
+syscall_rollback(struct task_struct *task, struct pt_regs *regs)
+{
+	regs->gpr[11] = regs->orig_gpr11;
+}
+
+static inline long
+syscall_get_error(struct task_struct *task, struct pt_regs *regs)
+{
+	return IS_ERR_VALUE(regs->gpr[11]) ? regs->gpr[11] : 0;
+}
+
+static inline long
+syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
+{
+	return regs->gpr[11];
+}
+
+static inline void
+syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
+			 int error, long val)
+{
+	regs->gpr[11] = (long) error ?: val;
+}
+
+static inline void
+syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
+		      unsigned long *args)
+{
+	memcpy(args, &regs->gpr[3], 6 * sizeof(args[0]));
+}
+
+static inline void
+syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
+		      const unsigned long *args)
+{
+	memcpy(&regs->gpr[3], args, 6 * sizeof(args[0]));
+}
+
+static inline int syscall_get_arch(struct task_struct *task)
+{
+	return AUDIT_ARCH_OPENRISC;
+}
+#endif