Initial import

2025-01-20 21:52:47 +01:00 · 2025-01-20 21:52:47 +01:00 · 94aad4b8e1
commit 94aad4b8e1
77 changed files with 4414 additions and 0 deletions
--- a/kernel/Makefile
+++ b/kernel/Makefile
@ -0,0 +1,135 @@
+###################################################################################
+## Module Name:  Makefile                                                        ##
+## Project:      AurixOS                                                         ##
+##                                                                               ##
+## Copyright (c) 2024 Jozef Nagy                                                 ##
+##                                                                               ##
+## This source is subject to the MIT License.                                    ##
+## See License.txt in the root of this repository.                               ##
+## All other rights reserved.                                                    ##
+##                                                                               ##
+## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ##
+## IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ##
+## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ##
+## AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ##
+## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ##
+## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ##
+## SOFTWARE.                                                                     ##
+###################################################################################
+
+.DEFAULT_GOAL := all
+
+INCLUDE_DIRS := include
+
+BUILD_DIR ?= build
+SYSROOT_DIR ?= sysroot
+
+KERNEL_FILE := $(BUILD_DIR)/axkrnl
+
+INCLUDE_DIRS := include \
+				include/arch/$(ARCH) \
+				include/platform/$(PLATFORM)
+DEFINES := __$(ARCH)__
+
+KERNEL_AS := $(ARCH)-elf-gcc
+KERNEL_CC := $(ARCH)-elf-gcc
+KERNEL_LD := $(ARCH)-elf-ld
+KERNEL_OBJCOPY := $(ARCH)-elf-objcopy
+
+KERNEL_ASFLAGS := $(foreach d, $(INCLUDE_DIRS), -I$d) \
+				$(foreach d, $(DEFINES), -D$d)
+
+KERNEL_CFLAGS := $(foreach d, $(INCLUDE_DIRS), -I$d) \
+				$(foreach d, $(DEFINES), -D$d) \
+				-D__$(ARCH) \
+				-std=c99 \
+				-ffreestanding \
+				-fno-omit-frame-pointer \
+				-fno-stack-protector \
+				-fno-stack-check \
+				-fno-pie \
+				-MMD \
+				-MP
+
+KERNEL_LDFLAGS := -Tarch/$(ARCH)/linker.ld \
+				-nostdlib \
+				-static \
+				-no-pie
+
+ifeq ($(DEBUG),yes)
+KERNEL_CFLAGS += -g3
+else
+KERNEL_CFLAGS += -O2
+endif
+
+KERNEL_CFILES := $(shell find . -type d \( -name arch -o -name platform \) -prune -name '*.c')
+KERNEL_ASFILES := $(shell find . -type d \( -name arch -o -name platform \) -prune -name '*.S')
+KERNEL_ARCH_CFILES := $(shell find arch/$(ARCH) -name '*.c')
+KERNEL_ARCH_ASFILES := $(shell find arch/$(ARCH) -name '*.S')
+KERNEL_PLATFORM_CFILES := $(shell find platform/$(PLATFORM) -name '*.c')
+KERNEL_PLATFORM_ASFILES := $(shell find platform/$(PLATFORM) -name '*.S')
+
+KERNEL_OBJ := $(KERNEL_CFILES:%.c=$(BUILD_DIR)/kernel/%.c.o) \
+			$(KERNEL_ASFILES:%.S=$(BUILD_DIR)/kernel/%.S.o) \
+			$(KERNEL_ARCH_CFILES:arch/$(ARCH)/%.c=$(BUILD_DIR)/kernel/arch/%.c.o) \
+			$(KERNEL_ARCH_ASFILES:arch/$(ARCH)/%.S=$(BUILD_DIR)/kernel/arch/%.S.o) \
+			$(KERNEL_PLATFORM_CFILES:platform/$(PLATFORM)/%.c=$(BUILD_DIR)/kernel/platform/%.c.o) \
+			$(KERNEL_PLATFORM_ASFILES:platform/$(PLATFORM)/%.S=$(BUILD_DIR)/kernel/platform/%.S.o)
+
+-include arch/$(ARCH)/config.mk
+
+-include $(wildcard $(BUILD_DIR)/kernel/*.d)
+
+$(KERNEL_FILE): $(KERNEL_OBJ)
+	@mkdir -p $(@D)
+	@printf "  LD\t$(notdir $@)\n"
+	@$(KERNEL_LD) $(KERNEL_LDFLAGS) $^ -o $@
+ifeq ($(DEBUG),yes)
+	@printf "  OBJCOPY axkrnl.sym\n"
+	@$(KERNEL_OBJCOPY) --only-keep-debug $@ $(BUILD_DIR)/axkrnl.sym
+	@$(KERNEL_OBJCOPY) --strip-debug --strip-unneeded $@
+endif
+
+$(BUILD_DIR)/kernel/%.c.o: %.c
+	@mkdir -p $(@D)
+	@printf "  CC\t$<\n"
+	@$(KERNEL_CC) $(KERNEL_CFLAGS) -c $< -o $@
+
+$(BUILD_DIR)/kernel/arch/%.c.o: arch/$(ARCH)/%.c
+	@mkdir -p $(@D)
+	@printf "  CC\t$<\n"
+	@$(KERNEL_CC) $(KERNEL_CFLAGS) -c $< -o $@
+
+$(BUILD_DIR)/kernel/arch/%.S.o: arch/$(ARCH)/%.S
+	@mkdir -p $(@D)
+	@printf "  AS\t$<\n"
+	@$(KERNEL_AS) $(KERNEL_ASFLAGS) -c $< -o $@
+
+$(BUILD_DIR)/kernel/platform/%.c.o: platform/$(PLATFORM)/%.c
+	@mkdir -p $(@D)
+	@printf "  CC\t$<\n"
+	@$(KERNEL_CC) $(KERNEL_CFLAGS) -c $< -o $@
+
+$(BUILD_DIR)/kernel/platform/%.S.o: platform/$(PLATFORM)/%.S
+	@mkdir -p $(@D)
+	@printf "  AS\t$<\n"
+	@$(KERNEL_AS) $(KERNEL_ASFLAGS) -c $< -o $@
+
+.PHONY: all
+all: kernel
+
+.PHONY: kernel
+kernel: $(KERNEL_FILE)
+
+.PHONY: install
+install: install-kernel
+
+.PHONY: install-kernel
+install-kernel: kernel
+	@mkdir -p $(SYSROOT_DIR)/System
+	@printf "  INSTALL\t/System/$(notdir $(KERNEL_FILE))\n"
+	@cp $(KERNEL_FILE) $(SYSROOT_DIR)/System
+
+.PHONY: clean
+clean:
+	@rm -rf $(BUILD_DIR) $(SYSROOT_DIR)