From 55b89540b0d8d031f90e3d711ec0df3f797ecc61 Mon Sep 17 00:00:00 2001
From: Matthew Leach <matthew.leach@arm.com>
Date: Fri, 11 Oct 2013 14:52:13 +0100
Subject: [PATCH] arm64: compat: correct register concatenation for syscall
 wrappers

The arm64 port contains wrappers for arm32 syscalls that pass 64-bit
values. These wrappers concatenate the two registers to hold a 64-bit
value in a single X register. On BE, however, the lower and higher
words are swapped.

Create a new assembler macro, regs_to_64, that when on BE systems
swaps the registers in the orr instruction.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Matthew Leach <matthew.leach@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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