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authorNathaniel Graff <nathaniel.graff@sifive.com>2019-02-15 15:47:25 -0800
committerNathaniel Graff <nathaniel.graff@sifive.com>2019-03-05 09:49:14 -0800
commit2dae90984625217a82ab0bd9f9db6bbd31b409e2 (patch)
tree03651dc841eb5d24a74073bf525e09801d478347 /scripts
parent292612e3ed9861088255d961d024863c56e4bd18 (diff)
Build scripts can consume RISCV_CMODEL
Signed-off-by: Nathaniel Graff <nathaniel.graff@sifive.com>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/libmetal.mk2
-rw-r--r--scripts/standalone.mk8
2 files changed, 7 insertions, 3 deletions
diff --git a/scripts/libmetal.mk b/scripts/libmetal.mk
index ea16632..6e6aada 100644
--- a/scripts/libmetal.mk
+++ b/scripts/libmetal.mk
@@ -13,7 +13,7 @@ $(BSP_DIR)/build/Makefile:
@rm -rf $(dir $@)
@mkdir -p $(dir $@)
cd $(dir $@) && \
- CFLAGS="-march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=medany" \
+ CFLAGS="-march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=$(RISCV_CMODEL)" \
$(abspath $(MEE_SOURCE_PATH)/configure) \
--host=$(CROSS_COMPILE) \
--prefix=$(abspath $(BSP_DIR)/install) \
diff --git a/scripts/standalone.mk b/scripts/standalone.mk
index e5f2ff7..e80e0c1 100644
--- a/scripts/standalone.mk
+++ b/scripts/standalone.mk
@@ -28,6 +28,10 @@ ifeq ($(RISCV_ABI),)
$(error $(BSP_DIR)/board.mk must set RISCV_ABI, the ABI to target)
endif
+ifeq ($(RISCV_CMODEL),)
+RISCV_CMODEL = medany
+endif
+
# Determines the XLEN from the toolchain tuple
ifeq ($(patsubst rv32%,rv32,$(RISCV_ARCH)),rv32)
RISCV_XLEN := 32
@@ -92,8 +96,8 @@ $(PROGRAM_ELF): \
AR=$(RISCV_AR) \
CC=$(RISCV_GCC) \
CXX=$(RISCV_GXX) \
- CFLAGS="-Os -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=medany -I$(abspath $(BSP_DIR)/install/include/)" \
- CXXFLAGS="-Os -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=medany -I$(abspath $(BSP_DIR)/install/include/)" \
+ CFLAGS="-Os -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=$(RISCV_CMODEL) -I$(abspath $(BSP_DIR)/install/include/)" \
+ CXXFLAGS="-Os -march=$(RISCV_ARCH) -mabi=$(RISCV_ABI) -ffunction-sections -fdata-sections -g -mcmodel=$(RISCV_CMODEL) -I$(abspath $(BSP_DIR)/install/include/)" \
LDFLAGS="-nostartfiles -nostdlib -L$(sort $(dir $(abspath $(filter %.a,$^)))) -T$(abspath $(filter %.lds,$^))" \
LDLIBS="-Wl,--gc-sections -Wl,--start-group -lc -lgcc -lmetal -lmetal-gloss -Wl,--end-group"
touch -c $@