blob: 0bf1bef2c99c664a90f87867fcdacef1e34e6c8e [file] [log] [blame]
From 66dfe0fa886f6289add06d1af8642ce2b5302852 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 9 Feb 2021 16:40:12 -0800
Subject: [PATCH] riscv32: Use double-float ABI for rv32
So it can use libgcc built with OE toolchain
Fixes
error: "can't link hard-float modules with soft-float modules"
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Inappropriate [embedded specific]
---
arch/riscv/Makefile | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -5,11 +5,15 @@
ifeq ($(CONFIG_ARCH_RV64I),y)
ARCH_BASE = rv64im
- ABI = lp64
+ ABI = lp64d
+ ARCH_D = d
+ ARCH_F = f
endif
ifeq ($(CONFIG_ARCH_RV32I),y)
ARCH_BASE = rv32im
- ABI = ilp32
+ ABI = ilp32d
+ ARCH_D = d
+ ARCH_F = f
endif
ifeq ($(CONFIG_RISCV_ISA_A),y)
ARCH_A = a
@@ -24,7 +28,7 @@ ifeq ($(CONFIG_CMODEL_MEDANY),y)
CMODEL = medany
endif
-ARCH_FLAGS = -march=$(ARCH_BASE)$(ARCH_A)$(ARCH_C) -mabi=$(ABI) \
+ARCH_FLAGS = -march=$(ARCH_BASE)$(ARCH_A)$(ARCH_F)$(ARCH_D)$(ARCH_C) -mabi=$(ABI) \
-mcmodel=$(CMODEL)
PLATFORM_CPPFLAGS += $(ARCH_FLAGS)