Nigel/BarinkOS
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Merge into main the new state of the operating system/kernel #1

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Nigel wants to merge 120 commits from dev into main
pull from: dev
merge into: Nigel:main
Conversation 0 Commits 120 Files Changed 146 +18 -22
3 changed files with 18 additions and 22 deletions
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Showing only changes of commit ba043ef31b - Show all commits

26
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++ CPP = ${HOME}/opt/cross/bin/i686-elf-g++
CFLAGS = -ffreestanding -O2 -Wall -Wextra 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)/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 SRC_DIR = src
BUILD_DIR = build BUILD_DIR = build
@ -19,30 +19,26 @@ OBJ_LINK_LIST = $(CRTI_OBJ) $(CRTBEGIN_OBJ) $(OFILES) $(CRTEND_OBJ) $(CRTN_OBJ)
INTERNAL_OBJS = $(CRTI_OBJ) $(OFILES) $(CRTN_OBJ) INTERNAL_OBJS = $(CRTI_OBJ) $(OFILES) $(CRTN_OBJ)
all: clean build clean_up all: clean build
build: build_kernel build: build_kernel iso
clean_iso: clean_iso:
if [[ -a isodir/* ]] ; then rm isodir/* -d ; fi if [[ -a isodir/boot ]] ; then rm root/boot -rd ; fi
if [ -f barinkOS.iso ] ; then rm barinkOS.iso ; fi if [ -f build/barinkOS.iso ] ; then rm build/barinkOS.iso ; fi
iso: clean_iso build iso: clean_iso clean build
mkdir -p isodir/boot/grub mkdir -p root/boot/grub
cp build/myos.bin isodir/boot/myos.bin cp build/myos.bin root/boot/myos.bin
cp src/grub.cfg isodir/boot/grub/grub.cfg cp src/grub.cfg root/boot/grub/grub.cfg
grub-mkrescue -o barinkOS.iso isodir grub-mkrescue -o build/barinkOS.iso root
clean_up:
rm build/*.o
test: test:
$(EMULATOR) -kernel $(BUILD_DIR)/myos.bin -serial file:CON -vga std -monitor stdio -display gtk -m 2G -cpu core2duo $(EMULATOR) -kernel $(BUILD_DIR)/myos.bin -serial stdio -vga std -monitor stdio -display gtk -m 2G -cpu core2duo
build_kernel: $(OBJ_LINK_LIST) build_kernel: $(OBJ_LINK_LIST)
$(CC) -T $(SRC_DIR)/kernel//linker.ld -o $(BUILD_DIR)/myos.bin \ $(CC) -T $(SRC_DIR)/kernel//linker.ld -o $(BUILD_DIR)/myos.bin \
-ffreestanding -O2 -nostdlib $(OBJ_LINK_LIST) -lgcc -ffreestanding -O2 -nostdlib $(OBJ_LINK_LIST) -lgcc

14
TODO.md → features.md
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@ -12,7 +12,7 @@
<input type="checkbox" /> Detect CPU speed \ <input type="checkbox" /> Detect CPU speed \
<input type="checkbox" checked/> Interrupt / exception system (API) \ <input type="checkbox" checked/> Interrupt / exception system (API) \
<input type="checkbox" /> Plan your memory map (virtual, and physical) : decide where you want the data to be. \ <input type="checkbox" checked/> Plan your memory map (virtual, and physical) : decide where you want the data to be. \
<input type="checkbox" /> The heap: allocating memory at runtime (malloc and free) is almost impossible to go without. \ <input type="checkbox" /> The heap: allocating memory at runtime (malloc and free) is almost impossible to go without. \
<input type="checkbox" /> Enable SIMD Extensions (SSE) <input type="checkbox" /> Enable SIMD Extensions (SSE)
@ -23,13 +23,13 @@
<input type="checkbox" /> ACPI support ( Or some other basic way to support shutdown, reboot and possibly hibernation ) \ <input type="checkbox" /> ACPI support ( Or some other basic way to support shutdown, reboot and possibly hibernation ) \
<input type="checkbox" /> ATAPI support \ <input type="checkbox" /> ATAPI support \
<input type="checkbox" /> Keyboard support ( P/S2 Keyboard) \ <input type="checkbox" /> Keyboard support ( P/S2 Keyboard) \
<input type="checkbox" /> Memory Management (MMU)\ <input type="checkbox" checked/> Memory Management (MMU)
<input type="checkbox" /> Preemptive multi tasking <input type="checkbox" /> Preemptive multi tasking \
<input type="checkbox" /> Processes <input type="checkbox" /> Processes \
<input type="checkbox" /> Threads <input type="checkbox" /> Threads
<input type="checkbox" /> Scheduling (SRV2 Unix OR Priority Based Round Robin) \ <input type="checkbox" /> Scheduling (SRV2 Unix OR Priority Based Round Robin) \
<input type="checkbox" /> System V ABI compliance (partially) <input type="checkbox" /> System V ABI compliance (partially) \
<input type="checkbox" /> POSIX compliance (partially) <input type="checkbox" /> POSIX compliance (partially) \
<input type="checkbox" /> RPC - for interprocess communication \ <input type="checkbox" /> RPC - for interprocess communication \
<input type="checkbox" /> Sync primitives - Semaphores, Mutexes, spinlocks et al. \ <input type="checkbox" /> Sync primitives - Semaphores, Mutexes, spinlocks et al. \
<input type="checkbox" /> Basic Terminal \ <input type="checkbox" /> Basic Terminal \
@ -37,4 +37,4 @@
<input type="checkbox" /> Basic Window server/client \ <input type="checkbox" /> Basic Window server/client \
## Support for more filesystems if I like the challenge in writing these ... ## Support for more filesystems if I like the challenge in writing these ...
<input type="checkbox" /> FAT Filesystem \ <input type="checkbox" /> FAT Filesystem \
<input type="checkbox" /> EXT2 Filesystem \ <input type="checkbox" /> EXT2 Filesystem

0
todo.md Normal file
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