blob: 7678a0bd63b8b84fbe1ba5bfc6ee114021d7e09f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
# MIT License, Copyright (c) 2020 Marvin Borner
COBJS = a.o b.o init.o
CC = ../cross/opt/bin/i686-elf-gcc
LD = ../cross/opt/bin/i686-elf-ld
OC = ../cross/opt/bin/i686-elf-objcopy
# Flags to make the binary smaller TODO: Remove after indirect pointer support!
CSFLAGS = -mpreferred-stack-boundary=2 -fno-asynchronous-unwind-tables -Os
CFLAGS = $(CSFLAGS) -Wall -Wextra -nostdlib -nostdinc -ffreestanding -ffunction-sections -fno-builtin -mgeneral-regs-only -std=c99 -m32 -pedantic-errors -Wl,-emain -I../lib/inc/ -Wl,-emain -fPIE -Duserspace
all: $(COBJS)
%.o: %.c
@mkdir -p ../build/apps/
@$(CC) -c $(CFLAGS) $< -o $@
@$(LD) -o $(@:.o=.elf) -Tlink.ld -L../build/ $@ -lc
@$(OC) -O binary $(@:.o=.elf) ../build/apps/$(@:.o=)
# %.o: %.c
# @mkdir -p ../build/apps/
# @$(CC) -c $(CFLAGS) $< -o $@
# @$(CC) -r $(CFLAGS) -o ../build/apps/$(@:.o=) -L../build $< -lc
|
