| # ////////////////////////////////////////////////////////////////////////////// |
| # // SPDX-FileCopyrightText: 2021, Dinesh Annayya |
| # // |
| # // Licensed under the Apache License, Version 2.0 (the "License"); |
| # // you may not use this file except in compliance with the License. |
| # // You may obtain a copy of the License at |
| # // |
| # // http://www.apache.org/licenses/LICENSE-2.0 |
| # // |
| # // Unless required by applicable law or agreed to in writing, software |
| # // distributed under the License is distributed on an "AS IS" BASIS, |
| # // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # // See the License for the specific language governing permissions and |
| # // limitations under the License. |
| # // SPDX-License-Identifier: Apache-2.0 |
| # // SPDX-FileContributor: Dinesh Annayya <dinesha@opencores.org> |
| # // ////////////////////////////////////////////////////////////////////////// |
| |
| ADD_ASM_MACRO ?= -D__ASSEMBLY__=1 |
| |
| FLAGS = -O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las $(ADD_FLAGS) |
| FLAGS_STR = "$(FLAGS)" |
| |
| CFLAGS_COMMON = -static -std=gnu99 -fno-common -fno-builtin-printf -DTCM=$(TCM) |
| CFLAGS_ARCH = -Wa,-march=rv32$(ARCH) -march=rv32$(ARCH) -mabi=$(ABI) |
| |
| CFLAGS := $(FLAGS) $(EXT_CFLAGS) \ |
| $(CFLAGS_COMMON) \ |
| $(CFLAGS_ARCH) \ |
| -DFLAGS_STR=\"$(FLAGS_STR)\" \ |
| $(ADD_CFLAGS) |
| |
| LDFLAGS ?= -nostartfiles -nostdlib -lc -lgcc -march=rv32$(ARCH) -mabi=$(ABI) |
| |
| ifeq (,$(findstring 0,$(TCM))) |
| ld_script ?= $(inc_dir)/link_tcm.ld |
| asm_src ?= crt_tcm.S |
| else |
| ld_script ?= $(inc_dir)/link.ld |
| asm_src ?= crt.S |
| endif |
| |
| VPATH += $(src_dir) $(inc_dir) $(ADD_VPATH) |
| incs += -I$(src_dir) -I$(inc_dir) $(ADD_incs) |
| |
| c_objs := $(addprefix $(bld_dir)/,$(patsubst %.c, %.o, $(c_src))) |
| asm_objs := $(addprefix $(bld_dir)/,$(patsubst %.S, %.o, $(asm_src))) |
| |
| $(bld_dir)/%.o: %.S |
| $(RISCV_GCC) $(CFLAGS) $(ADD_ASM_MACRO) -c $(incs) $< -o $@ |
| |
| $(bld_dir)/%.o: %.c |
| $(RISCV_GCC) $(CFLAGS) -c $(incs) $< -o $@ |
| |
| $(bld_dir)/%.elf: $(ld_script) $(c_objs) $(asm_objs) |
| $(RISCV_GCC) -o $@ -T $^ $(LDFLAGS) |
| |
| $(bld_dir)/%.hex: $(bld_dir)/%.elf |
| $(RISCV_ROM_OBJCOPY) $^ $@ |
| $(RISCV_RAM_OBJCOPY) $^ $@.ram |
| #assign 0x0800_0xxx to 0x0000_0xxx to map to TCM Memory |
| sed -i 's/@08000/@00000/g' $@.ram |
| |
| |
| $(bld_dir)/%.dump: $(bld_dir)/%.elf |
| $(RISCV_OBJDUMP) $^ > $@ |
