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-rw-r--r--arch/hexagon/include/asm/syscall.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h
new file mode 100644
index 000000000..f6e454f18
--- /dev/null
+++ b/arch/hexagon/include/asm/syscall.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Syscall support for the Hexagon architecture
+ *
+ * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _ASM_HEXAGON_SYSCALL_H
+#define _ASM_HEXAGON_SYSCALL_H
+
+#include <uapi/linux/audit.h>
+#include <linux/err.h>
+#include <asm/ptrace.h>
+
+typedef long (*syscall_fn)(unsigned long, unsigned long,
+ unsigned long, unsigned long,
+ unsigned long, unsigned long);
+
+#include <asm-generic/syscalls.h>
+
+extern void *sys_call_table[];
+
+static inline long syscall_get_nr(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->r06;
+}
+
+static inline void syscall_get_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ memcpy(args, &(&regs->r00)[0], 6 * sizeof(args[0]));
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return IS_ERR_VALUE(regs->r00) ? regs->r00 : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->r00;
+}
+
+static inline int syscall_get_arch(struct task_struct *task)
+{
+ return AUDIT_ARCH_HEXAGON;
+}
+
+#endif