blob: 56369f612703cd9dba9feee548bccb1cad3498d0 (
plain) (
blame)
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
|
CFLAGS := -fno-pie -g -ffreestanding -nostdlib
INCLUDE_DIRS := include
all: kernel.bin
KERNEL_SOURCES :=
INIT_SOURCES :=
LINKER_SOURCE :=
TARGET ?= riscv
CROSS_COMPILER ?= riscv64-unknown-elf-
CC := gcc
AR := ar
CPP := cpp
OBJCOPY := objcopy
OBJCOPY_FLAGS := -Obinary
include arch/source.mk
INCLUDE_FLAGS := $(addprefix -I,$(INCLUDE_DIRS))
KERNEL_OBJECTS := $(patsubst %.c,%.o,$(KERNEL_SOURCES))
KERNEL_OBJECTS := $(patsubst %.S,%.o,$(KERNEL_OBJECTS))
LINKER_FILE := $(patsubst %.S,%.ld,$(LINKER_SOURCE))
kernel.bin: kernel.elf
$(CROSS_COMPILER)$(OBJCOPY) $(OBJCOPY_FLAGS) $< $@
kernel.elf: $(KERNEL_OBJECTS) | $(LINKER_FILE)
$(CROSS_COMPILER)$(CC) -T$(LINKER_FILE) $(CFLAGS) $(INCLUDE_FLAGS) $^ -o $@
%.o: %.c
$(CROSS_COMPILER)$(CC) $(CFLAGS) $(INCLUDE_FLAGS) -c $< -o $@
%.o: %.S
$(CROSS_COMPILER)$(CC) $(CFLAGS) $(INCLUDE_FLAGS) -c $< -o $@
$(LINKER_FILE): $(LINKER_SOURCE)
$(CROSS_COMPILER)$(CPP) $(INCLUDE_FLAGS) $< | sed -n '/^[^#]/p' > $@
clean:
rm $(KERNEL_OBJECTS) $(INIT_OBJECTS) $(LINKER_FILE) kernel.bin kernel.elf
|
