1 files changed, 70 insertions, 0 deletions
diff --git a/config.mk b/config.mk
new file mode 100644
index 0000000..334ca1e
--- /dev/null
+++ b/config.mk
@@ -0,0 +1,70 @@
+# ============================================================================
+# config.mk - Shared Build Configuration
+# ============================================================================
+
+PROJECT_ROOT := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
+
+CC      := clang
+CXX     := clang++
+AS      := clang
+LD      := ld.lld
+OBJCOPY := llvm-objcopy
+AR      := llvm-ar
+
+ifeq ($(ARCH),x86_64)
+    TARGET_TRIPLE := x86_64-elf
+    EFI_ARCH      := x86_64
+    EFI_BINARY    := BOOTX64.EFI
+    ARCH_CFLAGS   := -target x86_64-unknown-elf \
+                     -mno-red-zone \
+                     -mno-sse -mno-sse2 -mno-avx \
+                     -mcmodel=kernel
+    QEMU          := qemu-system-x86_64
+else ifeq ($(ARCH),aarch64)
+    TARGET_TRIPLE := aarch64-elf
+    EFI_ARCH      := aarch64
+    EFI_BINARY    := BOOTAA64.EFI
+    ARCH_CFLAGS   := -target aarch64-unknown-elf \
+                     -mgeneral-regs-only
+    QEMU          := qemu-system-aarch64
+else
+    $(error ARCH must be x86_64 or aarch64)
+endif
+
+COMMON_CXXFLAGS := \
+    -std=c++23 \
+    -ffreestanding \
+    -fno-exceptions \
+    -fno-rtti \
+    -fno-stack-protector \
+    -fno-threadsafe-statics \
+    -fno-use-cxa-atexit \
+    -fno-pic \
+    -fno-pie \
+    -nostdlib \
+    -nostdinc++ \
+    -Wall -Wextra -Wpedantic \
+    -Werror=return-type \
+    -O2 \
+    -g \
+    -include $(PROJECT_ROOT)/include/kernel/config.h
+
+COMMON_CFLAGS := \
+    -std=c17 \
+    -ffreestanding \
+    -fno-stack-protector \
+    -fno-pic \
+    -fno-pie \
+    -nostdlib \
+    -Wall -Wextra \
+    -O2 \
+    -g
+
+COMMON_ASFLAGS := \
+    -g \
+    -include $(PROJECT_ROOT)/include/kernel/config.h
+
+COMMON_LDFLAGS := \
+    -nostdlib \
+    --no-dynamic-linker \
+    -z noexecstack