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-rw-r--r--Makefile20
1 files changed, 12 insertions, 8 deletions
diff --git a/Makefile b/Makefile
index 0e785dd..f561668 100644
--- a/Makefile
+++ b/Makefile
@@ -103,13 +103,15 @@ tools: riscv-gnu-toolchain openocd
toolchain_builddir := $(builddir)/riscv-gnu-toolchain/riscv64-unknown-elf
toolchain_prefix := $(toolchain_builddir)/prefix
-RISCV_GCC := $(abspath $(toolchain_prefix)/bin/riscv64-unknown-elf-gcc)
-RISCV_GXX := $(abspath $(toolchain_prefix)/bin/riscv64-unknown-elf-g++)
-RISCV_OBJDUMP := $(abspath $(toolchain_prefix)/bin/riscv64-unknown-elf-objdump)
-RISCV_GDB := $(abspath $(toolchain_prefix)/bin/riscv64-unknown-elf-gdb)
-RISCV_AR := $(abspath $(toolchain_prefix)/bin/riscv64-unknown-elf-ar)
+RISCV_PREFIX ?= $(toolchain_prefix)
-PATH := $(abspath $(toolchain_prefix)/bin):$(PATH)
+RISCV_GCC := $(abspath $(RISCV_PREFIX)/bin/riscv64-unknown-elf-gcc)
+RISCV_GXX := $(abspath $(RISCV_PREFIX)/bin/riscv64-unknown-elf-g++)
+RISCV_OBJDUMP := $(abspath $(RISCV_PREFIX)/bin/riscv64-unknown-elf-objdump)
+RISCV_GDB := $(abspath $(RISCV_PREFIX)/bin/riscv64-unknown-elf-gdb)
+RISCV_AR := $(abspath $(RISCV_PREFIX)/bin/riscv64-unknown-elf-ar)
+
+PATH := $(abspath $(RISCV_PREFIX)/bin):$(PATH)
$(RISCV_GCC) $(RISCV_GXX) $(RISCV_OBJDUMP) $(RISCV_GDB) $(RISCV_AR): $(toolchain_builddir)/install.stamp
touch -c $@
@@ -148,7 +150,9 @@ toolchain-clean:
# initializing the target.
openocd_builddir := $(builddir)/openocd
openocd_prefix := $(openocd_builddir)/prefix
-RISCV_OPENOCD := $(openocd_prefix)/bin/openocd
+
+RISCV_OPENOCD_PREFIX ?= $(openocd_prefix)
+RISCV_OPENOCD ?= $(RISCV_OPENOCD_PREFIX)/bin/openocd
.PHONY: openocd
openocd: $(RISCV_OPENOCD)
@@ -215,7 +219,7 @@ GDB_UPLOAD_CMDS += -ex "quit"
upload:
$(RISCV_OPENOCD) $(OPENOCDARGS) & \
- $(RISCV_GDB) $(PROGRAM_DIR)/$(PROGRAM) $(GDB_UPLOAD_ARGS) $(GDB_UPLOAD_CMDS);\
+ $(RISCV_GDB) $(PROGRAM_DIR)/$(PROGRAM) $(GDB_UPLOAD_ARGS) $(GDB_UPLOAD_CMDS) && \
echo "Successfully uploaded '$(PROGRAM)' to $(BOARD)."
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