diff options
| author | Emu <89668582+EmulatedSeasons@users.noreply.github.com> | 2024-05-31 23:38:46 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-05-31 23:38:46 -0400 |
| commit | 27a44e0d79d1c6e01cd832feb8ad958d5999b5e3 (patch) | |
| tree | 3759eb02fcad7a609a064080d81b7c6f9dbec4c8 /kernel/makefile | |
| parent | 639240bbf498195912d8ceb6cb396b89391a5b1b (diff) | |
| parent | fd5a1699592ce0afafc42ebf22401596abcdfc28 (diff) | |
Merge pull request #1 from EmulatedSeasons/limineswitch
Limineswitch
Diffstat (limited to 'kernel/makefile')
| -rw-r--r-- | kernel/makefile | 94 |
1 files changed, 42 insertions, 52 deletions
diff --git a/kernel/makefile b/kernel/makefile index 88659d9..030caaa 100644 --- a/kernel/makefile +++ b/kernel/makefile @@ -1,89 +1,79 @@ # Kernel makefile
-ifndef GAS
- GAS = i686-elf-as
-endif
-
-ifndef CFLAGS
- CFLAGS = -ffreestanding -Wall -Wextra -g -std=gnu99 -O2 -Iinclude
- CFLAGS += --sysroot="$(SYSROOT)"
- CFLAGS += -isystem="/usr/include"
-endif
+CFLAGS := -ffreestanding -Wall -Wextra -g -std=gnu99 -O2 -Iinclude --sysroot=$(SYSROOT) \
+ -isystem="/usr/include"
+CXXFLAGS := -ffreestanding -Wall -Wextra -fno-exceptions -fno-rtti -g -O2 -Iinclude --sysroot=$(SYSROOT) \
+ -isystem="/usr/include" -std=gnu++20
+LDFLAGS := -T arch/$(ARCH)/linker.ld -ffreestanding -g -O2 -Iinclude --sysroot=$(SYSROOT) \
+ -isystem="/usr/include"
+ASMFLAGS :=
-ifndef CXXFLAGS
- CXXFLAGS = -ffreestanding -Wall -Wextra -fno-exceptions -fno-rtti -D__is_kernel -g -O2 -Iinclude
- CXXFLAGS += -Iinclude
- CXXFLAGS += --sysroot="$(SYSROOT)"
- CXXFLAGS += -isystem="/usr/include"
-endif
-
-ifndef LDFLAGS
- LDFLAGS = -T arch/$(ARCH)/linker.ld -ffreestanding -g -O2 -Iinclude
- LDFLAGS += --sysroot="$(SYSROOT)"
- LDFLAGS += -isystem="/usr/include"
+ifeq ($(ARCH),x86_64)
+CFLAGS += -mno-red-zone -mcmodel=kernel -mno-80387 -mno-sse -mno-sse2 -mno-mmx
+CXXFLAGS += -mno-red-zone -mcmodel=kernel -mno-80387 -mno-sse -mno-sse2 -mno-mmx
+LDFLAGS += -mno-red-zone -mcmodel=kernel -mno-80387 -mno-sse -mno-sse2 -mno-mmx \
+ -z max-page-size=0x1000
+ASMFLAGS += -felf64
endif
ifndef SYSROOT
$(error No sysroot specified)
endif
-
-LIBS = -nostdlib -lgcc -lck
+LIBS = -nostdlib -lc -lgcc
#Find all the source files
-C_SOURCES := $(shell find $(PWD)/kernel -type f -name '*.c')
-CPP_SOURCES := $(shell find $(PWD)/kernel -type f -name '*.cpp')
-HEADERS := $(shell find $(PWD) -type f -name '*.h')
-ASMFILES := $(shell find $(PWD) -type f -name '*.asm' ! -name 'crti.asm' ! -name 'crtn.asm')
-GASFILES := $(wildcard *.s)
-CRTBEGIN := $(shell $(CXX) $(CXXFLAGS) -print-file-name=crtbegin.o)
-CRTEND := $(shell $(CXX) $(CXXFLAGS) -print-file-name=crtend.o)
+CPP_SRCS := $(shell find . -type f -name '*.cpp' -not -path './arch/*') \
+ $(shell find $(PWD)/kernel/arch/$(ARCH) -type f -name '*.cpp')
+HEADERS := $(shell find ./include -type f -name '*.h')
+ASMFILES := $(shell find . -type f -name '*.asm' -not -path './arch/*') \
+ $(shell find $(PWD)/kernel/arch/$(ARCH) -type f -name '*.asm')
-OBJECTS := $(patsubst %.c,%.o,$(C_SOURCES))
-OBJECTS += $(patsubst %.cpp,%.o,$(CPP_SOURCES))
-OBJECTS += $(patsubst %.asm,%.o,$(ASMFILES))
+#OBJS := $(patsubst %.c,%.o,$(C_SOURCES))
+OBJS := $(patsubst %.cpp,%.o,$(CPP_SRCS))
+OBJS += $(patsubst %.asm,%.o,$(ASMFILES))
-DEPFILES := $(patsubst %.c,%.d,$(C_SOURCES))
-DEPFILES += $(patsubst %.cpp,%.d,$(CPP_SOURCES))
+#DEPFILES := $(patsubst %.c,%.d,$(C_SOURCES))
+DEPFILES := $(patsubst %.cpp,%.d,$(CPP_SRCS))
-LINKLST := crti.o
-LINKLST += $(CRTBEGIN)
-LINKLST += $(OBJECTS)
+# LINKLST := crti.o
+# LINKLST += $(CRTBEGIN)
+LINKLST += $(OBJS)
LINKLST += $(LIBS)
-LINKLST += $(CRTEND)
-LINKLST += crtn.o
+# LINKLST += $(CRTEND)
+# LINKLST += crtn.o
-include $(DEPFILES)
-.PHONY: all crt clean kernel.bin
+.PHONY: all clean
-all: crti.o crtn.o kernel.bin
+all: kernel.bin
-kernel.bin: ${OBJECTS}
+kernel.bin: ${OBJS}
$(info [INFO] Linking kernel)
- $(CXX) ${LDFLAGS} -o ${PREFIX}/kernel.bin $(LINKLST)
+ $(CXX) ${LDFLAGS} -o $@ $(LINKLST)
%.o: %.cpp
- $(info [INFO] Compiling $<)
+# $(info [INFO] Compiling $<)
$(CXX) ${CXXFLAGS} -MMD -MP -c $< -o $@
%.o: %.c
- $(info [INFO] Compiling $<)
+# $(info [INFO] Compiling $<)
$(CC) $(CFLAGS) -MMD -MP -c $< -o $@
%.o: %.asm
$(info [INFO] Assembling $<)
- $(NASM) $< -felf32 -o $@ -g
+ $(NASM) $< $(ASMFLAGS) -o $@ -g
-crti.o:
- $(NASM) arch/$(ARCH)/crti.asm -felf32 -o $@
+# crti.o:
+# $(NASM) arch/$(ARCH)/crti.asm $(ASMFLAGS) -o $@
-crtn.o:
- $(NASM) arch/$(ARCH)/crtn.asm -felf32 -o $@
+# crtn.o:
+# $(NASM) arch/$(ARCH)/crtn.asm $(ASMFLAGS) -o $@
-install-headers:
+install-headers: $(HEADERS)
cp -r --preserve=timestamps include/. $(SYSROOT)/usr/include
clean:
$(info [INFO] Cleaning)
- $(RM) ${OBJECTS} $(DEPFILES) crti.o crtn.o
\ No newline at end of file + $(RM) ${OBJS} $(DEPFILES) kernel.bin
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