riscvbarelib/makefile.include.template at main · CEA-LIST/riscvbarelib · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
##
#  Copyright 2023,2024 CEA*
#  Commissariat a l'Energie Atomique et aux Energies Alternatives
#
#  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.
##
##
#  @file   makefile.include.template
#  @author Cesar Fuguet
##
BSP      = <<__BSP__>>
THISDIR := $(dir $(lastword $(MAKEFILE_LIST)))

-include $(BSP)/makefile.bsp.include

BIN2MEM       = $(RVB_HOME)/scripts/bin2mem.py
MKDIR         = mkdir -p
RM            = rm -f
RMDIR         = rmdir

PRINTF_FLOAT  = 1
LINKER_SCRIPT = $(BSP)/linkcmds
MEM_WORD_SIZE = 64

CFLAGS += -ffreestanding \
          -ffunction-sections \
          -fdata-sections \
          $(BSP_CFLAGS)

CXXFLAGS = $(CFLAGS) -std=c++11

LDFLAGS = -nostdlib \
          -static \
          -T $(LINKER_SCRIPT) \
          -Wl,--gc-sections \
          -Wl,--print-memory-usage \
          -Wl,--relax \
          -L$(THISDIR) \
          $(EXTRA_LDFLAGS)

ifeq ($(PRINTF_FLOAT),1)
  LDFLAGS += -u _printf_float
endif

INCLUDES = -I$(RVB_HOME)/include \
           -I$(BSP)/include \
           $(EXTRA_INCLUDES)

LIBS = $(EXTRA_LIBS) -Wl,--start-group -lc -lgcc -lrvb -Wl,--end-group

O = build
TARGET ?= $(error missing TARGET)
target  = $O/$(TARGET).x

#  add build prefix to object files
OBJS := $(addprefix $O/,$(OBJS))

.PHONY: all dump mem bin
all: $(target) $(target).dump
dump: $(target).dump
mem: $(target).mem
bin: $(target).bin

$(target): $(OBJS)
	$(MKDIR) $(dir $@)
	$(CXX) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)

%.dump: %
	$(MKDIR) $(dir $@)
	$(OD) -D $< > $@

%.bin: %
	$(MKDIR) $(dir $@)
	$(OC) -S -O binary $< $@

%.mem: %.bin
	$(MKDIR) $(dir $@)
	$(BIN2MEM) --in $< --out $@ --outw $(MEM_WORD_SIZE)

$O/%.o: %.cpp
	$(MKDIR) $(dir $@)
	$(CXX) $(CXXFLAGS) $(INCLUDES) -c -o $@ $<

$O/%.o: %.c
	$(MKDIR) $(dir $@)
	$(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $<

$O/%.o: %.S
	$(MKDIR) $(dir $@)
	$(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $<


.PHONY: clean
clean:
	$(RM) $(OBJS)
	$(RM) $(target) $(target).dump $(target).bin $(target).mem
	$(RMDIR) $(O)