From 66dfe0fa886f6289add06d1af8642ce2b5302852 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Tue, 9 Feb 2021 16:40:12 -0800
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Subject: [PATCH] riscv32: Use double-float ABI for rv32
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So it can use libgcc built with OE toolchain
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Fixes
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error: "can't link hard-float modules with soft-float modules"
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Upstream-Status: Inappropriate [embedded specific]
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---
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arch/riscv/Makefile | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
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index 0b80eb8d86..7324946f48 100644
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--- a/arch/riscv/Makefile
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+++ b/arch/riscv/Makefile
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@@ -9,7 +9,9 @@ ifeq ($(CONFIG_ARCH_RV64I),y)
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endif
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ifeq ($(CONFIG_ARCH_RV32I),y)
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ARCH_BASE = rv32im
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- ABI = ilp32
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+ ABI = ilp32d
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+ ARCH_D = d
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+ ARCH_F = f
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endif
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ifeq ($(CONFIG_RISCV_ISA_A),y)
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ARCH_A = a
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@@ -24,7 +26,7 @@ ifeq ($(CONFIG_CMODEL_MEDANY),y)
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CMODEL = medany
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endif
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-ARCH_FLAGS = -march=$(ARCH_BASE)$(ARCH_A)$(ARCH_C) -mabi=$(ABI) \
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+ARCH_FLAGS = -march=$(ARCH_BASE)$(ARCH_A)$(ARCH_F)$(ARCH_D)$(ARCH_C) -mabi=$(ABI) \
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-mcmodel=$(CMODEL)
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PLATFORM_CPPFLAGS += $(ARCH_FLAGS)
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--
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2.30.0
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