Nigel/BarinkOS
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Re-enabled interrupts from keyboard, Enabled and configured the PIT to throw interrupts at a regular interval

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Nigel Barink
2021-12-20 21:53:57 +01:00
parent 23ede25ed6
commit 88cc1d75bb
10 changed files with 128 additions and 60 deletions
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9
Makefile
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@ -5,7 +5,7 @@ CC = ${HOME}/opt/cross/bin/i686-elf-gcc
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 $(BUILD_DIR)/PhysicalMemoryManager.o $(BUILD_DIR)/io.o $(BUILD_DIR)/PageDirectory.o $(BUILD_DIR)/gdtc.o $(BUILD_DIR)/idt.o $(BUILD_DIR)/pic.o $(BUILD_DIR)/string.o
OFILES = $(BUILD_DIR)/boot.o $(BUILD_DIR)/kterm.o $(BUILD_DIR)/kernel.o $(BUILD_DIR)/pit.o $(BUILD_DIR)/PhysicalMemoryManager.o $(BUILD_DIR)/io.o $(BUILD_DIR)/PageDirectory.o $(BUILD_DIR)/gdtc.o $(BUILD_DIR)/idt.o $(BUILD_DIR)/pic.o $(BUILD_DIR)/string.o
SRC_DIR = src
BUILD_DIR = build
@ -23,8 +23,6 @@ all: clean build
build: build_kernel iso
clean_iso:
if [[ -a isodir/boot ]] ; then rm root/boot -rd ; fi
if [ -f build/barinkOS.iso ] ; then rm build/barinkOS.iso ; fi
@ -36,7 +34,7 @@ iso: clean_iso clean build
grub-mkrescue -o build/barinkOS.iso root
test:
$(EMULATOR) -kernel $(BUILD_DIR)/myos.bin -serial stdio -vga std -monitor stdio -display gtk -m 2G -cpu core2duo
$(EMULATOR) -kernel $(BUILD_DIR)/myos.bin -serial stdio -vga std -display gtk -m 2G -cpu core2duo
build_kernel: $(OBJ_LINK_LIST)
$(CC) -T $(SRC_DIR)/kernel//linker.ld -o $(BUILD_DIR)/myos.bin \
@ -85,3 +83,6 @@ $(BUILD_DIR)/string.o:
$(BUILD_DIR)/PhysicalMemoryManager.o:
$(CPP) -c $(SRC_DIR)/kernel/memory/PhysicalMemoryManager.cpp -o $(BUILD_DIR)/PhysicalMemoryManager.o $(CFLAGS) -fno-exceptions -fno-rtti
$(BUILD_DIR)/pit.o:
$(CPP) -c $(SRC_DIR)/kernel/pit.cpp -o $(BUILD_DIR)/pit.o $(CFLAGS) -fno-exceptions -fno-rtti