1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/include/asm/flat.h b/arch/arm/include/asm/flat.h
new file mode 100644
index 000000000..f0c75ddee
--- /dev/null
+++ b/arch/arm/include/asm/flat.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/arm/include/asm/flat.h -- uClinux flat-format executables
+ */
+
+#ifndef __ARM_FLAT_H__
+#define __ARM_FLAT_H__
+
+#include <linux/uaccess.h>
+
+#define	flat_argvp_envp_on_stack()		1
+#define	flat_old_ram_flag(flags)		(flags)
+#define	flat_reloc_valid(reloc, size)		((reloc) <= (size))
+
+static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
+					u32 *addr, u32 *persistent)
+{
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	return copy_from_user(addr, rp, 4) ? -EFAULT : 0;
+#else
+	return get_user(*addr, rp);
+#endif
+}
+
+static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
+{
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	return copy_to_user(rp, &addr, 4) ? -EFAULT : 0;
+#else
+	return put_user(addr, rp);
+#endif
+}
+
+#define	flat_get_relocate_addr(rel)		(rel)
+#define	flat_set_persistent(relval, p)		0
+
+#endif /* __ARM_FLAT_H__ */