From: Rick Chen <rick@andestech.com>
Date: Tue, 15 Jan 2019 02:41:20 +0000 (+0800)
Subject: nds32: Generate SW fpu instruction.
X-Git-Tag: v2019.04-rc1~30^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9135858fb861d4aa0c8521442cc20932c1e2e097;p=platform%2Fkernel%2Fu-boot.git

nds32: Generate SW fpu instruction.

Force it to generate SW fup instruction.
It help to avoid bugs when running on no-HW-fpu board, but
compile with v3f which support HW fpu instruction.

Signed-off-by: Rick Chen <rick@andestech.com>
Cc: Greentime Hu <greentime@andestech.com>
---

diff --git a/arch/nds32/config.mk b/arch/nds32/config.mk
index a0f14ae..4e10de0 100644
--- a/arch/nds32/config.mk
+++ b/arch/nds32/config.mk
@@ -15,8 +15,8 @@ endif
 CONFIG_STANDALONE_LOAD_ADDR = 0x300000
 LDFLAGS_STANDALONE	+= -T $(srctree)/examples/standalone/nds32.lds
 
-PLATFORM_RELFLAGS	+= -fno-common -mrelax
+PLATFORM_RELFLAGS	+= -fno-common -mrelax -mno-ext-fpu-dp -mfloat-abi=soft
 PLATFORM_RELFLAGS	+= -gdwarf-2
 PLATFORM_CPPFLAGS	+= -D__nds32__ -ffixed-10 -fpie
 
-LDFLAGS_u-boot		= --gc-sections --relax -pie
+LDFLAGS_u-boot		= --gc-sections --relax -pie --mabi=AABI