olemorud/operating-system
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Ole Morud
2024-08-11 19:11:44 +02:00
parent c2ea7f1446
commit 04b67a0ad5
28 changed files with 1666 additions and 487 deletions
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39
Makefile
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@@ -1,14 +1,13 @@
.SUFFIXES:
.PHONY: all clean
.PHONY: all clean test tests
all: myos.iso
SOURCE_DIR := src
BUILD_DIR := build
CONTAINER_CMD := podman run -v "$(shell pwd)":"/scratch" \
--workdir="/scratch" \
--network=none \
@@ -16,17 +15,23 @@ CONTAINER_CMD := podman run -v "$(shell pwd)":"/scratch" \
-t \
cc-i686:latest
QEMU := qemu-system-i386
QEMU_FLAGS := -d int -no-reboot
CC := $(CONTAINER_CMD) i686-elf-gcc
LD := $(CONTAINER_CMD) i686-elf-ld
AS := $(CONTAINER_CMD) i686-elf-as
AR := $(CONTAINER_CMD) i686-elf-ar
C_SOURCES := $(shell find $(SOURCE_DIR) ! -name 'test_*' -name '*.c')
C_SOURCES := $(shell find $(SOURCE_DIR) ! -name '*_test*' -name '*.c')
ASM_SOURCES := $(shell find $(SOURCE_DIR) -name '*.S')
OBJECTS := $(patsubst $(SOURCE_DIR)/%, $(BUILD_DIR)/%, $(C_SOURCES:.c=.o) $(ASM_SOURCES:.S=.o))
DEPENDS := $(patsubst $(SOURCE_DIR)/%, $(BUILD_DIR)/%, $(C_SOURCES:.c=.d))
OBJECTS := $(patsubst $(SOURCE_DIR)/%, $(BUILD_DIR)/%, $(C_SOURCES:.c=.o) $(ASM_SOURCES:.S=.o))
DEPENDS := $(patsubst $(SOURCE_DIR)/%, $(BUILD_DIR)/%, $(C_SOURCES:.c=.d))
CFLAGS := -MMD -ffreestanding -nostdlib -O1 -Wall -Wextra -Werror -std=c2x -I$(SOURCE_DIR)/include -no-pie -fstack-protector-strong -g3
CFLAGS := -ffreestanding -nostdlib -std=c2x -MMD -I$(SOURCE_DIR)/lib/include -I$(SOURCE_DIR) -no-pie
CFLAGS += -O1 -g3
CFLAGS += -Wall -Wextra -Werror
CFLAGS += -fstack-protector-strong -g3
CFLAGS += -Wno-unused-function
CFLAGS += -Wno-unused-variable
ASFLAGS :=
@@ -37,7 +42,7 @@ ASFLAGS :=
#$(info DEPENDS is $(DEPENDS))
run: myos.iso
qemu-system-i386 -d int -no-reboot -cdrom myos.iso
$(QEMU) $(QEMU_FLAGS) -cdrom myos.iso
cross-compiler: cross-compiler-image/Dockerfile
podman build cross-compiler-image -t cc-i686
@@ -74,21 +79,23 @@ $(BUILD_DIR)/%.o: $(SOURCE_DIR)/%.S Makefile
# TESTS #
###################
TEST_SOURCE_DIR := $(SOURCE_DIR)/test
TEST_BUILD_DIR := $(BUILD_DIR)/test
TEST_BUILD_DIR := $(BUILD_DIR)/tests
TEST_SOURCES := $(shell find $(TEST_SOURCE_DIR) -name 'test_*.c')
TEST_DEPENDS := $(patsubst $(TEST_SOURCE_DIR)/%, $(TEST_BUILD_DIR)/%, $(TEST_SOURCES:.c=.d))
TEST_OUTPUT := $(patsubst $(TEST_SOURCE_DIR)/%, $(TEST_BUILD_DIR)/%, $(TEST_SOURCES:.c=))
#TEST_SOURCES := $(shell find $(SOURCE_DIR) -name '*_test.c')
#TEST_DEPENDS := $(patsubst $(SOURCE_DIR)/%, $(TEST_BUILD_DIR)/%, $(TEST_SOURCES:.c=.d))
#TEST_OUTPUT := $(patsubst $(SOURCE_DIR)/%, $(TEST_BUILD_DIR)/%, $(TEST_SOURCES:.c=))
$(info TEST_SOURCES is $(TEST_SOURCES))
$(info TEST_OUTPUT is $(TEST_OUTPUT))
tests: $(TEST_OUTPUT)
$(info TEST_SOURCES is $(TEST_SOURCES))
$(info TEST_DEPENDS is $(TEST_DEPENDS))
$(info TEST_OUTPUT is $(TEST_OUTPUT))
test: tests
-include $(TEST_DEPENDS)
$(TEST_BUILD_DIR)/test_%: $(TEST_SOURCE_DIR)/test_%.c $(SOURCE_DIR)/lib/%.c | Makefile
$(TEST_BUILD_DIR)/%_test: $(SOURCE_DIR)/%.c $(SOURCE_DIR)/%_test.c | Makefile
@mkdir -p $(@D)
gcc -O1 -fsanitize=address,undefined -Wall -Wextra -Werror -g3 -std=c2x -D_FORTIFY_SOURCE=2 -I$(SOURCE_DIR)/include -o $@ $^
gcc -O1 -fsanitize=address,undefined -Wall -Wextra -Werror -g3 -std=c2x -D_FORTIFY_SOURCE=2 -I$(SOURCE_DIR)/lib/include -o $@ $^
./$@