From: Jianxin Pan <jianxin.pan@amlogic.com>
Date: Tue, 30 Oct 2018 10:08:09 +0000 (+0800)
Subject: aarch64: enable swp software emulation [1/1]
X-Git-Tag: khadas-vims-v0.9.6-release~1172
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=336a6425941eba2cda9be568535169642ef08918;p=platform%2Fkernel%2Flinux-amlogic.git

aarch64: enable swp software emulation [1/1]

PD#IPTV-14

Problem:
3D Benchmark.apk crash

Solution:
Add swp instruction support on armv8

Verify:
local

Change-Id: Ice2bef5c0ef7110b3adb4af811f99d4bfca1e8dc
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
---

diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 29d2ad8..6499b24 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -454,7 +454,11 @@ static struct undef_hook swp_hooks[] = {
 
 static struct insn_emulation_ops swp_ops = {
 	.name = "swp",
+#ifdef CONFIG_AMLOGIC_MODIFY
+	.status = INSN_DEPRECATED,
+#else
 	.status = INSN_OBSOLETE,
+#endif
 	.hooks = swp_hooks,
 	.set_hw_mode = NULL,
 };