Nigel/BarinkOS
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Implemented serial for basic debugging, Added MMU enable to kernel main

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Nigel Barink
2021-05-10 21:33:25 +01:00
parent 4008fc25e8
commit b41f6a380e
11 changed files with 296 additions and 34 deletions
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17
Makefile
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@ -2,9 +2,10 @@
EMULATOR = qemu-system-i386
AS = ${HOME}/opt/cross/bin/i686-elf-as
CC = ${HOME}/opt/cross/bin/i686-elf-gcc
CFLAGS = -std=gnu99 -ffreestanding -O2 -Wall -Wextra
CPP = ${HOME}/opt/cross/bin/i686-elf-g++
CFLAGS = -ffreestanding -O2 -Wall -Wextra
OFILES = $(BUILD_DIR)/boot.o $(BUILD_DIR)/kterm.o $(BUILD_DIR)/kernel.o
OFILES = $(BUILD_DIR)/boot.o $(BUILD_DIR)/kterm.o $(BUILD_DIR)/kernel.o $(BUILD_DIR)/io.o $(BUILD_DIR)/MMU.o
SRC_DIR = src
BUILD_DIR = build
@ -23,7 +24,8 @@ all: clean build
build: build_kernel run
run:
$(EMULATOR) -kernel $(BUILD_DIR)/myos.bin
$(EMULATOR) -kernel $(BUILD_DIR)/myos.bin -serial stdio
build_kernel: $(OBJ_LINK_LIST)
$(CC) -T $(SRC_DIR)/kernel/arch/i386/linker.ld -o $(BUILD_DIR)/myos.bin \
@ -37,10 +39,10 @@ clean:
rm -f $(BUILD_DIR)/myos.bin $(INTERNAL_OBJS)
$(BUILD_DIR)/kernel.o:
$(CC) -c $(SRC_DIR)/kernel/kernel.c -o $(BUILD_DIR)/kernel.o $(CFLAGS)
$(CPP) -c $(SRC_DIR)/kernel/kernel.cpp -o $(BUILD_DIR)/kernel.o $(CFLAGS) -fno-exceptions -fno-rtti
$(BUILD_DIR)/kterm.o:
$(CC) -c $(SRC_DIR)/kernel/arch/i386/tty/kterm.c -o $(BUILD_DIR)/kterm.o $(CFLAGS)
$(CC) -c $(SRC_DIR)/kernel/arch/i386/tty/kterm.c -o $(BUILD_DIR)/kterm.o $(CFLAGS) -std=gnu99
$(BUILD_DIR)/boot.o:
$(AS) $(SRC_DIR)/kernel/arch/i386/boot.s -o $(BUILD_DIR)/boot.o
@ -50,3 +52,8 @@ $(BUILD_DIR)/crti.o:
$(BUILD_DIR)/crtn.o:
$(AS) $(SRC_DIR)/kernel/arch/i386/crtn.s -o $(BUILD_DIR)/crtn.o
$(BUILD_DIR)/io.o:
$(CPP) -c $(SRC_DIR)/kernel/io.cpp -o $(BUILD_DIR)/io.o $(CFLAGS) -fno-exceptions -fno-rtti
$(BUILD_DIR)/MMU.o:
$(CPP) -c $(SRC_DIR)/kernel/MMU.cpp -o $(BUILD_DIR)/MMU.o $(CFLAGS) -fno-exceptions -fno-rtti