xamidev/blankos
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Program loading, build system for apps, and badly-made lib linking.

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xamidev
2024-09-14 22:39:06 +02:00
parent 87bb1d96fd
commit 03b712ace0
8 changed files with 109 additions and 4 deletions
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23
makefile
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@@ -1,22 +1,27 @@
CC = i386-elf-7.5.0-Linux-x86_64/bin/i386-elf-gcc
CFLAGS = -ffreestanding -g -Wall -Wextra -Wno-builtin-declaration-mismatch -mno-sse -mno-mmx -mno-avx -march=i386 -c -I src/
LD = ld
LDFLAGS = -T link.ld -melf_i386
AS = nasm
ASFLAGS = -f elf
AR = i386-elf-7.5.0-Linux-x86_64/bin/i386-elf-ar
SRC_DIR = src
KERNEL_DIR = $(SRC_DIR)/kernel
LIBC_DIR = $(SRC_DIR)/libc
UTILS_DIR = $(SRC_DIR)/utils
DRIVERS_DIR = $(SRC_DIR)/drivers
PROGRAMS_DIR = $(SRC_DIR)/programs
INCLUDE_DIR = include
FONTS_DIR = $(INCLUDE_DIR)/fonts
OBJ_DIR = build
C_SOURCES = $(wildcard $(KERNEL_DIR)/*.c) $(wildcard $(LIBC_DIR)/*.c) $(wildcard $(UTILS_DIR)/*.c) $(wildcard $(DRIVERS_DIR)/*.c)
ASM_SOURCES = $(wildcard $(KERNEL_DIR)/*.s) $(wildcard $(LIBC_DIR)/*.s) $(wildcard $(UTILS_DIR)/*.s) $(wildcard $(DRIVERS_DIR)/*.s)
PROGRAM_SOURCES = $(wildcard $(PROGRAMS_DIR)/*.c)
OBJECTS = $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(C_SOURCES:.c=.o) $(ASM_SOURCES:.s=.o))
PROGRAM_OBJECTS = $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(PROGRAM_SOURCES:.c=.o))
TOOLCHAIN_SRC = https://newos.org/toolchains/i386-elf-7.5.0-Linux-x86_64.tar.xz
TOOLCHAIN_FILE = i386-elf-7.5.0-Linux-x86_64.tar.xz
@@ -24,14 +29,24 @@ TOOLCHAIN_FILE = i386-elf-7.5.0-Linux-x86_64.tar.xz
FONT_OBJ = $(OBJ_DIR)/fonts/UniCyr_8x16.o
FONT_SRC = $(FONTS_DIR)/UniCyr_8x16.psf
all: $(OBJ_DIR) kernel.elf
all: $(OBJ_DIR) lib kernel.elf programs
$(OBJ_DIR):
mkdir -p $(OBJ_DIR)
mkdir -p $(OBJ_DIR)/kernel $(OBJ_DIR)/libc $(OBJ_DIR)/utils $(OBJ_DIR)/drivers $(OBJ_DIR)/fonts
mkdir -p $(OBJ_DIR)/kernel $(OBJ_DIR)/libc $(OBJ_DIR)/utils $(OBJ_DIR)/drivers $(OBJ_DIR)/fonts $(OBJ_DIR)/programs
lib: $(OBJECTS) $(FONT_OBJ)
$(AR) rcs $(OBJ_DIR)/lib.a $(OBJECTS) $(FONT_OBJ)
kernel.elf: $(OBJECTS) $(FONT_OBJ)
ld $(LDFLAGS) $(OBJECTS) $(FONT_OBJ) -o kernel.elf
$(LD) $(LDFLAGS) $(OBJECTS) $(FONT_OBJ) -o kernel.elf
programs: $(PROGRAM_OBJECTS)
@mkdir -p $(SRC_DIR)/initrd
@for prog in $(PROGRAM_OBJECTS); do \
base=$$(basename $$prog .o); \
$(LD) -melf_i386 -T program.ld $$prog $(OBJ_DIR)/lib.a -o $(SRC_DIR)/initrd/$$base.bin; \
done
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
$(CC) $(CFLAGS) $< -o $@
@@ -66,5 +81,5 @@ debug:
./debug.sh
clean:
rm -rf $(OBJ_DIR) kernel.elf blankos.iso $(TOOLCHAIN_FILE)
rm -rf $(OBJ_DIR) kernel.elf blankos.iso $(TOOLCHAIN_FILE) $(SRC_DIR)/initrd/*.bin