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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-05-11 22:55:31 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-05-11 22:55:31 +0300 |
| commit | 27ffa747f36aee9c1d5bbc61395a078238366070 (patch) | |
| tree | f37c544aaca6bebd1cc146d1eb002483c7cfd474 /Makefile | |
| parent | 3109effe7297232e17c1792e63c3a9c7d129a4eb (diff) | |
| download | kmi-27ffa747f36aee9c1d5bbc61395a078238366070.tar.gz kmi-27ffa747f36aee9c1d5bbc61395a078238366070.zip | |
arbitrary load address and RAM base detection
+ Both kind of go hand in hand, made sense to do both at the same time.
Some parts feel slightly hacky, the loader works by placing everything
on the stack and avoiding global values. Still, seems to work?
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 13 |
1 files changed, 8 insertions, 5 deletions
@@ -5,7 +5,7 @@ DEBUGFLAGS != [ $(RELEASE) ] \ && echo "-flto -O2 -DNDEBUG" \ || echo "-O0 -DDEBUG" -CFLAGS = -ffreestanding -nostdlib -static -fno-pie -std=c17 -Wall -Wextra -Wvla -D$(ARCH) -g +CFLAGS = -ffreestanding -nostdlib -fno-pie -std=c17 -Wall -Wextra -Wvla -D$(ARCH) -g -fpic DEPFLAGS = -MT $@ -MMD -MP -MF $@.d LINTFLAGS = -fsyntax-only PREPROCESS = -E @@ -13,7 +13,8 @@ LDFLAGS != [ $(LLVM) ] \ || echo -static-libgcc -lgcc BUILD = build -ARCH_BUILD = $(BUILD)/arch/$(ARCH) +ARCH_KERN_BUILD = $(BUILD)/kernel/arch/$(ARCH) +ARCH_INIT_BUILD = $(BUILD)/init/arch/$(ARCH) ARCH_SOURCE = arch/$(ARCH) all: kmi.bin @@ -35,9 +36,11 @@ COMPILER != [ $(LLVM) ] \ KERNEL_SOURCES != echo common/*.c common/uapi/*.c lib/*.c +# might consider renaming common, currently it refers to stuff common +# to all arches but clearly there are bits that are common to init and kernel +INIT_SOURCES != echo lib/fdt*.c common/fdt.c common/string.c CLEANUP := build deps.mk kernel.* init.* kmi.bin CLEANUP_CMD := -INIT_SOURCES := include arch/$(ARCH)/source.mk @@ -80,10 +83,10 @@ INIT_LD != ./scripts/gen-deps --init --link "$(INIT_LINK).S" $(INIT_LD): kernel.bin init.elf: $(INIT_OBJECTS) $(INIT_LD) - $(GENELF) -T $(INIT_LD) $(INIT_OBJECTS) -o init.elf $(LINK_FLAGS) + $(GENELF) $(INIT_FLAGS) -T $(INIT_LD) $(INIT_OBJECTS) -o init.elf $(LINK_FLAGS) kernel.elf: $(KERNEL_OBJECTS) $(KERNEL_LD) - $(GENELF) -T $(KERNEL_LD) $(KERNEL_OBJECTS) -o kernel.elf $(LINK_FLAGS) + $(GENELF) $(KERNEL_FLAGS) -T $(KERNEL_LD) $(KERNEL_OBJECTS) -o kernel.elf $(LINK_FLAGS) init.bin: init.elf $(OBJCOPY) $(OBJCOPY_FLAGS) init.elf init.bin |