limine/stage2/Makefile

CC = i386-elf-gcc
LD = i386-elf-gcc
OBJCOPY = i386-elf-objcopy
OBJDUMP = i386-elf-objdump

LIMINE_VERSION := $(shell git branch --show-current | sed 's/-branch//')
WERROR = -Werror
CFLAGS = -Os -pipe -Wall -Wextra $(WERROR)

INTERNAL_CFLAGS = \
	-std=gnu11 \
	-fplan9-extensions \
	-ffreestanding \
	-fno-stack-protector \
	-fno-pic \
	-fno-omit-frame-pointer \
	-Wno-address-of-packed-member \
	-masm=intel \
	-mno-80387 \
	-mno-mmx \
	-mno-3dnow \
	-mno-sse \
	-mno-sse2 \
	-MMD \
	-DLIMINE_VERSION='"$(LIMINE_VERSION)"' \
	-I. \
	-I..

LDFLAGS = -Os

INTERNAL_LDFLAGS = \
	-lgcc \
	-static-libgcc \
	-nostdlib \
	-no-pie \
	-z max-page-size=0x1000 \
	-static \
	-Tlinker.ld

.PHONY: all clean

C_FILES := $(shell find ./ -type f -name '*.c' | sort)
ASM_FILES := $(shell find ./ -type f -name '*.asm' | sort)
OBJ := $(ASM_FILES:.asm=.o) $(C_FILES:.c=.o)
HEADER_DEPS := $(C_FILES:.c=.d)

all: stage2.map stage2.bin

stage2.map: stage2.elf
	./gensyms.sh $(OBJDUMP)
	nasm symlist.gen -f bin -o $@

stage2.bin: stage2.elf
	$(OBJCOPY) -O binary $< $@

stage2.elf: $(OBJ)
	$(LD) $(OBJ) $(LDFLAGS) $(INTERNAL_LDFLAGS) -o $@

-include $(HEADER_DEPS)

%.o: %.c
	$(CC) $(CFLAGS) $(INTERNAL_CFLAGS) -c $< -o $@

%.o: %.asm
	nasm $< -f elf32 -o $@

clean:
	rm -f symlist.gen stage2.map stage2.bin stage2.elf $(OBJ) $(HEADER_DEPS)
Build gzip and nasm as part of the toolchain to ensure reproducibility 2020-09-18 22:38:59 +03:00			`CC = i386-elf-gcc`
			`LD = i386-elf-gcc`
			`OBJCOPY = i386-elf-objcopy`
misc: Implement stacktrace 2020-11-15 19:56:10 +03:00			`OBJDUMP = i386-elf-objdump`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00
misc: Remove limine.h and retrieve LIMINE_VERSION value from current git branch instead 2020-12-31 01:42:39 +03:00			`LIMINE_VERSION := $(shell git branch --show-current \| sed 's/-branch//')`
Add BIOS drive indexing 2020-10-18 07:23:39 +03:00			`WERROR = -Werror`
misc: Implement stacktrace 2020-11-15 19:56:10 +03:00			`CFLAGS = -Os -pipe -Wall -Wextra $(WERROR)`
Switch back to GCC 2020-09-13 15:36:18 +03:00
Fix issue with int 13h DAP potentially not fitting within a single real mode segment; load stage 2 at 0x8000 and disable LTO as it is broken for some unknown reasons now 2020-09-25 23:36:26 +03:00			`INTERNAL_CFLAGS = \`
Implement acpi_get_table() 2020-09-17 15:37:22 +03:00			`-std=gnu11 \`
			`-fplan9-extensions \`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00			`-ffreestanding \`
Switch back to GCC 2020-09-13 15:36:18 +03:00			`-fno-stack-protector \`
			`-fno-pic \`
misc: Implement stacktrace 2020-11-15 19:56:10 +03:00			`-fno-omit-frame-pointer \`
Add header dependencies to Makefiles 2020-09-21 13:46:42 +03:00			`-Wno-address-of-packed-member \`
Revert to -masm=intel for inline assembly 2020-09-16 18:22:05 +03:00			`-masm=intel \`
Fix up compile flags 2020-08-25 00:35:06 +03:00			`-mno-80387 \`
			`-mno-mmx \`
Reorganise source tree 2020-09-14 20:32:11 +03:00			`-mno-3dnow \`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00			`-mno-sse \`
			`-mno-sse2 \`
Add header dependencies to Makefiles 2020-09-21 13:46:42 +03:00			`-MMD \`
misc: Remove limine.h and retrieve LIMINE_VERSION value from current git branch instead 2020-12-31 01:42:39 +03:00			`-DLIMINE_VERSION='"$(LIMINE_VERSION)"' \`
Resolve most GCC warnings 2020-04-29 17:53:05 +03:00			`-I. \`
Add header dependencies to Makefiles 2020-09-21 13:46:42 +03:00			`-I..`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00
misc: Implement stacktrace 2020-11-15 19:56:10 +03:00			`LDFLAGS = -Os`
Switch back to GCC 2020-09-13 15:36:18 +03:00
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00			`INTERNAL_LDFLAGS = \`
Switch back to GCC 2020-09-13 15:36:18 +03:00			`-lgcc \`
			`-static-libgcc \`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00			`-nostdlib \`
Switch back to GCC 2020-09-13 15:36:18 +03:00			`-no-pie \`
Fix issue with int 13h DAP potentially not fitting within a single real mode segment; load stage 2 at 0x8000 and disable LTO as it is broken for some unknown reasons now 2020-09-25 23:36:26 +03:00			`-z max-page-size=0x1000 \`
Switch back to GCC 2020-09-13 15:36:18 +03:00			`-static \`
			`-Tlinker.ld`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00
			`.PHONY: all clean`

Reorganise source tree 2020-09-14 20:32:11 +03:00			`C_FILES := $(shell find ./ -type f -name '*.c' \| sort)`
			`ASM_FILES := $(shell find ./ -type f -name '*.asm' \| sort)`
Switch back to GCC 2020-09-13 15:36:18 +03:00			`OBJ := $(ASM_FILES:.asm=.o) $(C_FILES:.c=.o)`
Add header dependencies to Makefiles 2020-09-21 13:46:42 +03:00			`HEADER_DEPS := $(C_FILES:.c=.d)`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00
misc: Implement stacktrace 2020-11-15 19:56:10 +03:00			`all: stage2.map stage2.bin`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00
misc: Implement stacktrace 2020-11-15 19:56:10 +03:00			`stage2.map: stage2.elf`
			`./gensyms.sh $(OBJDUMP)`
			`nasm symlist.gen -f bin -o $@`

			`stage2.bin: stage2.elf`
			`$(OBJCOPY) -O binary $< $@`

			`stage2.elf: $(OBJ)`
			`$(LD) $(OBJ) $(LDFLAGS) $(INTERNAL_LDFLAGS) -o $@`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00
Add header dependencies to Makefiles 2020-09-21 13:46:42 +03:00			`-include $(HEADER_DEPS)`

Switch back to GCC 2020-09-13 15:36:18 +03:00			`%.o: %.c`
			`$(CC) $(CFLAGS) $(INTERNAL_CFLAGS) -c $< -o $@`
Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00
Enable lto and move naked assembly functions to own files 2020-09-04 02:37:24 +03:00			`%.o: %.asm`
			`nasm $< -f elf32 -o $@`

Add make toolchain script and reorganise source tree 2020-01-22 01:45:13 +03:00			`clean:`
misc: Implement stacktrace 2020-11-15 19:56:10 +03:00			`rm -f symlist.gen stage2.map stage2.bin stage2.elf $(OBJ) $(HEADER_DEPS)`