From: Matthew Leach <matthew.leach@arm.com>
Date: Fri, 11 Oct 2013 13:52:15 +0000 (+0100)
Subject: arm64: asm: add CPU_LE & CPU_BE assembler helpers
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e68bedaa03c950ae8045e7899e7a6b2a97d1bf41;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

arm64: asm: add CPU_LE & CPU_BE assembler helpers

Add CPU_LE and CPU_BE to select assembler code in little and big
endian configurations respectively.

Signed-off-by: Matthew Leach <matthew.leach@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 381b935e74cd..fd3e3924041b 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -115,6 +115,25 @@ lr	.req	x30		// link register
 	.align	7
 	b	\label
 	.endm
+
+/*
+ * Select code when configured for BE.
+ */
+#ifdef CONFIG_CPU_BIG_ENDIAN
+#define CPU_BE(code...) code
+#else
+#define CPU_BE(code...)
+#endif
+
+/*
+ * Select code when configured for LE.
+ */
+#ifdef CONFIG_CPU_BIG_ENDIAN
+#define CPU_LE(code...)
+#else
+#define CPU_LE(code...) code
+#endif
+
 /*
  * Define a macro that constructs a 64-bit value by concatenating two
  * 32-bit registers. Note that on big endian systems the order of the