1 files changed, 61 insertions, 0 deletions
diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c
new file mode 100644
index 000000000..9dca56850
--- /dev/null
+++ b/arch/sh/kernel/sys_sh32.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/sem.h>
+#include <linux/msg.h>
+#include <linux/shm.h>
+#include <linux/stat.h>
+#include <linux/syscalls.h>
+#include <linux/mman.h>
+#include <linux/file.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/ipc.h>
+#include <asm/cacheflush.h>
+#include <linux/uaccess.h>
+#include <asm/unistd.h>
+#include <asm/syscalls.h>
+
+/*
+ * sys_pipe() is the normal C calling standard for creating
+ * a pipe. It's not the way Unix traditionally does this, though.
+ */
+asmlinkage int sys_sh_pipe(void)
+{
+	int fd[2];
+	int error;
+
+	error = do_pipe_flags(fd, 0);
+	if (!error) {
+		current_pt_regs()->regs[1] = fd[1];
+		return fd[0];
+	}
+	return error;
+}
+
+asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf,
+			     size_t count, long dummy, loff_t pos)
+{
+	return ksys_pread64(fd, buf, count, pos);
+}
+
+asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf,
+			      size_t count, long dummy, loff_t pos)
+{
+	return ksys_pwrite64(fd, buf, count, pos);
+}
+
+asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1,
+				u32 len0, u32 len1, int advice)
+{
+#ifdef  __LITTLE_ENDIAN__
+	return ksys_fadvise64_64(fd, (u64)offset1 << 32 | offset0,
+				 (u64)len1 << 32 | len0, advice);
+#else
+	return ksys_fadvise64_64(fd, (u64)offset0 << 32 | offset1,
+				 (u64)len0 << 32 | len1, advice);
+#endif
+}