fix: multiboot in stpdboot.sys
This commit is contained in:
parent
6b36d17a5e
commit
9aaad60e6e
132
Makefile
132
Makefile
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@ -1,66 +1,66 @@
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.EXPORT_ALL_VARIABLES:
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TOPDIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
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SYSROOTDIR := $(TOPDIR)/sysroot
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TOOLSDIR := $(TOPDIR)/tools
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RM = echo
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MK_BUGREPORT := \"https://git.cute.engineering/d0p1/StupidOS/issues\"
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MK_COMMIT := \"$(shell git rev-parse --short HEAD)\"
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SUBDIRS := tools boot kernel lib bin
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TARGET = stupid.tar.gz floppy_boot.img
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ifneq ($(OS),Windows_NT)
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EXEXT =
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TARGET += stupid.iso stdupid.hdd
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else
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EXEXT = .exe
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endif
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.PHONY: all
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all: $(TARGET)
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GOAL:=install
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clean: GOAL:=clean
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.PHONY: $(SUBDIRS)
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$(SUBDIRS):
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@echo "📁 $@"
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DESTDIR=$(SYSROOTDIR) $(MAKE) -C $@ $(GOAL)
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.PHONY: stupid.iso
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stupid.iso: $(SUBDIRS)
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$(TOPDIR)/tools/create-iso $@ sysroot
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.PHONY: stupid.hdd
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stupid.hdd: $(SUBDIRS)
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@echo ""
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.PHONY: stupid.tar.gz
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stupid.tar.gz: $(SUBDIRS)
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tar -czvf $@ sysroot
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.PHONY: floppy_boot.img
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floppy_boot.img: $(SUBDIRS)
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dd if=/dev/zero of=$@ bs=512 count=1440
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mformat -C -f 1440 -i $@
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dd if=boot/bootsector.bin of=$@ conv=notrunc
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mcopy -i $@ boot/stpdboot.sys ::/STPDBOOT.SYS
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mcopy -i $@ kernel/vmstupid.sys ::/VMSTUPID.SYS
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.PHONY: run
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run: all
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qemu-system-i386 \
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-rtc base=localtime \
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-drive file=floppy_boot.img,if=none,format=raw,id=boot \
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-drive file=fat:rw:./sysroot,if=none,id=hdd \
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-device floppy,drive=boot \
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-device ide-hd,drive=hdd \
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-global isa-fdc.bootindexA=0 \
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-serial mon:stdio
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.PHONY: clean
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clean: $(SUBDIRS)
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$(RM) $(TARGET) $(SYSROOTDIR)
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.EXPORT_ALL_VARIABLES:
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TOPDIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
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SYSROOTDIR := $(TOPDIR)/sysroot
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TOOLSDIR := $(TOPDIR)/tools
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RM = echo
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MK_BUGREPORT := \"https://git.cute.engineering/d0p1/StupidOS/issues\"
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MK_COMMIT := \"$(shell git rev-parse --short HEAD)\"
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SUBDIRS := tools boot kernel lib bin
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TARGET = stupid.tar.gz floppy_boot.img
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ifneq ($(OS),Windows_NT)
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EXEXT =
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TARGET += stupid.iso stupid.hdd
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else
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EXEXT = .exe
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endif
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.PHONY: all
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all: $(TARGET)
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GOAL:=install
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clean: GOAL:=clean
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.PHONY: $(SUBDIRS)
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$(SUBDIRS):
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@echo "📁 $@"
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DESTDIR=$(SYSROOTDIR) $(MAKE) -C $@ $(GOAL)
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.PHONY: stupid.iso
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stupid.iso: $(SUBDIRS)
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$(TOPDIR)/tools/create-iso $@ sysroot
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.PHONY: stupid.hdd
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stupid.hdd: $(SUBDIRS)
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@echo ""
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.PHONY: stupid.tar.gz
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stupid.tar.gz: $(SUBDIRS)
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tar -czvf $@ sysroot
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.PHONY: floppy_boot.img
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floppy_boot.img: $(SUBDIRS)
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dd if=/dev/zero of=$@ bs=512 count=1440
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mformat -C -f 1440 -i $@
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dd if=boot/bootsector.bin of=$@ conv=notrunc
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mcopy -i $@ boot/stpdboot.sys ::/STPDBOOT.SYS
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mcopy -i $@ kernel/vmstupid.sys ::/VMSTUPID.SYS
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.PHONY: run
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run: all
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qemu-system-i386 \
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-rtc base=localtime \
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-drive file=floppy_boot.img,if=none,format=raw,id=boot \
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-drive file=fat:rw:./sysroot,if=none,id=hdd \
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-device floppy,drive=boot \
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-device ide-hd,drive=hdd \
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-global isa-fdc.bootindexA=0 \
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-serial mon:stdio
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.PHONY: clean
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clean: $(SUBDIRS)
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$(RM) $(TARGET) $(SYSROOTDIR)
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240
boot/boot0.asm
240
boot/boot0.asm
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@ -1,120 +1,120 @@
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INCLUDE 'const.inc'
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ORG STAGE0_BASE
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USE16
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jmp short _start
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nop
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; Boot Record
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OEM_identifier db 'STUPID '
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bytes_per_sector dw 512
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sectors_per_cluster db 1
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reserved_sectors dw 1
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FAT_count db 2
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root_dir_entries dw 224
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total_sectors dw 2880
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media_desc_type db 0xF0
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sectors_per_FAT dw 9
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sectors_per_track dw 18
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heads_per_cylinder dw 2
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hidden_sectors dd 0
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large_sector_count dd 0
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; Extended Boot Record
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drive_number db 0x0
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reserved db 0x0
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signature db 0x29 ; 0x28 or 0x29
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volume_id dd 0xB00B135 ; hope mine will grow :'(
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volume_label db 'Stupid Boot'
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system_id db 'FAT12 '
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_start:
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cli
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cld
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jmp 0x0:.canonicalize_cs
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.canonicalize_cs:
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xor ax, ax
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mov ds, ax
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mov ss, ax
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mov es, ax
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mov sp, 0x7c00
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mov [drive_number], dl
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; reset floppy disk
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@@:
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mov dl, [drive_number]
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xor ah, ah
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int 0x13
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jc @b
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call fat_load_root
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; search in root directory
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mov si, kernel_file
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call fat_search_root
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jc .error_not_found
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mov [kernel_start], ax
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mov si, stage1_file
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call fat_search_root
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jc .error_not_found
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mov [stage1_start], ax
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; load fat
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xor ax, ax
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mov al, [FAT_count]
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mul word [sectors_per_FAT]
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mov cx, ax
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mov ax, [reserved_sectors]
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xor bx, bx
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call disk_read_sectors
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; preload kernel
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mov ax, KERNEL_PRELOAD/0x10
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mov es, ax
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mov ax, [kernel_start]
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xor bx, bx
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call fat_load_binary
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; load stage 2
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mov ax, STAGE1_BASE/0x10
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mov es, ax
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mov ax, [stage1_start]
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xor bx, bx
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call fat_load_binary
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jmp 0x0:STAGE1_BASE
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.error_not_found:
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push si
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mov si, msg_error
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call bios_print
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pop si
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call bios_print
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mov si, msg_not_found
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call bios_print
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hlt
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jmp $
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INCLUDE "utils.inc"
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INCLUDE "fat12.inc"
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msg_error db "ERROR: ", 0
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msg_not_found db " not found", CR, LF, 0
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kernel_file db "VMSTUPIDSYS", 0
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stage1_file db "STPDBOOTSYS", 0
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kernel_start dw 0x0
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stage1_start dw 0x0
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rb 0x7C00+512-2-$
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db 0x55, 0xAA
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INCLUDE 'const.inc'
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ORG STAGE0_BASE
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USE16
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jmp short _start
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nop
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; Boot Record
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OEM_identifier db 'STUPID '
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bytes_per_sector dw 512
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sectors_per_cluster db 1
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reserved_sectors dw 1
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FAT_count db 2
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root_dir_entries dw 224
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total_sectors dw 2880
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media_desc_type db 0xF0
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sectors_per_FAT dw 9
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sectors_per_track dw 18
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heads_per_cylinder dw 2
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hidden_sectors dd 0
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large_sector_count dd 0
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; Extended Boot Record
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drive_number db 0x0
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reserved db 0x0
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signature db 0x29 ; 0x28 or 0x29
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volume_id dd 0xB00B135 ; hope mine will grow :'(
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volume_label db 'Stupid Boot'
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system_id db 'FAT12 '
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_start:
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cli
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cld
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jmp 0x0:.canonicalize_cs
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.canonicalize_cs:
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xor ax, ax
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mov ds, ax
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mov ss, ax
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mov es, ax
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mov sp, 0x7c00
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mov [drive_number], dl
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; reset floppy disk
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@@:
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mov dl, [drive_number]
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xor ah, ah
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int 0x13
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jc @b
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call fat_load_root
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; search in root directory
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mov si, kernel_file
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call fat_search_root
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jc .error_not_found
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mov [kernel_start], ax
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mov si, stage1_file
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call fat_search_root
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jc .error_not_found
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mov [stage1_start], ax
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; load fat
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xor ax, ax
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mov al, [FAT_count]
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mul word [sectors_per_FAT]
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mov cx, ax
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mov ax, [reserved_sectors]
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xor bx, bx
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call disk_read_sectors
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; preload kernel
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mov ax, KERNEL_PRELOAD/0x10
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mov es, ax
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mov ax, [kernel_start]
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xor bx, bx
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call fat_load_binary
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; load stage 2
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mov ax, STAGE1_BASE/0x10
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mov es, ax
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mov ax, [stage1_start]
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xor bx, bx
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call fat_load_binary
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jmp 0x0:STAGE1_BASE
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.error_not_found:
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push si
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mov si, msg_error
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call bios_print
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pop si
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call bios_print
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mov si, msg_not_found
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call bios_print
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hlt
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jmp $
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INCLUDE "utils.inc"
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INCLUDE "fat12.inc"
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msg_error db "ERROR: ", 0
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msg_not_found db " not found", CR, LF, 0
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kernel_file db "VMSTUPIDSYS", 0
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stage1_file db "STPDBOOTSYS", 0
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kernel_start dw 0x0
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stage1_start dw 0x0
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rb 0x7C00+512-2-$
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db 0x55, 0xAA
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133
boot/boot1.asm
133
boot/boot1.asm
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@ -1,65 +1,68 @@
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INCLUDE 'const.inc'
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INCLUDE 'multiboot.inc'
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ORG STAGE1_BASE
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USE16
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jmp _start
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mb_header MultibootHeader mb_header
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_start:
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cmp eax, MULTIBOOT_MAGIC
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je .multiboot
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;; non multiboot process
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push cs
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pop ds
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mov si, msg_stage2
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call bios_print
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call a20_enable
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jc .error_a20
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; detect memory
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call memory_get_map
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jc .error_memory
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xchg bx, bx
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call video_setup
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.multiboot:
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jmp .hang
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.error_memory:
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mov si, msg_error_memory
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jmp .error
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.error_a20:
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mov si, msg_error_a20
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.error:
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call bios_print
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.hang:
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hlt
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jmp $
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INCLUDE 'a20.inc'
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INCLUDE 'utils.inc'
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INCLUDE 'memory.inc'
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INCLUDE 'video.inc'
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msg_stage2 db "StupidOS Bootloader (Stage 1)", CR, LF, 0
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msg_error_a20 db "ERROR: can't enable a20 line", CR, LF, 0
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msg_error_memory db "ERROR: can't detect available memory", CR, LF, 0
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;;
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bi_screen_width: dw 0
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bi_screen_height: dw 0
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_edata:
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; BSS
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rb 0x4000
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_end:
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INCLUDE 'const.inc'
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INCLUDE 'multiboot.inc'
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ORG STAGE1_BASE
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USE32
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jmp _start
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ALIGN 4
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multiboot_header:
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mb_header MultibootHeader multiboot_header
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_start:
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cmp eax, MULTIBOOT_MAGIC
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je .multiboot
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USE16
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;; non multiboot process
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push cs
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pop ds
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mov si, msg_stage2
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call bios_print
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call a20_enable
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jc .error_a20
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; detect memory
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call memory_get_map
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jc .error_memory
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xchg bx, bx
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call video_setup
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.multiboot:
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jmp .hang
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.error_memory:
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mov si, msg_error_memory
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jmp .error
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.error_a20:
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mov si, msg_error_a20
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.error:
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call bios_print
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.hang:
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hlt
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jmp $
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INCLUDE 'a20.inc'
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INCLUDE 'utils.inc'
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INCLUDE 'memory.inc'
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INCLUDE 'video.inc'
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msg_stage2 db "StupidOS Bootloader (Stage 1)", CR, LF, 0
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msg_error_a20 db "ERROR: can't enable a20 line", CR, LF, 0
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msg_error_memory db "ERROR: can't detect available memory", CR, LF, 0
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;;
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bi_screen_width: dw 0
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bi_screen_height: dw 0
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_edata:
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; BSS
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rb 0x4000
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_end:
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@ -1,14 +1,15 @@
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CR = 0x0D
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LF = 0x0A
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; -------- Address ----------
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STAGE0_BASE = 0x7C00
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STAGE1_BASE = 0x1000
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DISK_BUFFER = 0x8000
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KERNEL_PRELOAD = 0xF000
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STACK_TOP = 0x7000
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; ---------- Video ------------
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VIDEO_WIDTH = 1024
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VIDEO_HEIGHT = 768
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VIDEO_DEPTH = 32
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CR = 0x0D
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LF = 0x0A
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; -------- Address ----------
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STAGE0_BASE = 0x7C00
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STAGE1_BASE = 0x1000
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MULTIBOOT_BASE = 0x100000
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DISK_BUFFER = 0x8000
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KERNEL_PRELOAD = 0xF000
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STACK_TOP = 0x7000
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; ---------- Video ------------
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VIDEO_WIDTH = 1024
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VIDEO_HEIGHT = 768
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VIDEO_DEPTH = 32
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@ -1,107 +1,108 @@
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MULTIBOOT_HDR_MAGIC = 0x1BADB002
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MULTIBOOT_MAGIC = 0x2BADB002
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MULTIBOOT_HDR_ALIGN = 0x1
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MULTIBOOT_HDR_MEMINFO = 0x2
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MULTIBOOT_HDR_VIDEO = 0x4
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MULTIBOOT_FLAGS = MULTIBOOT_HDR_ALIGN or MULTIBOOT_HDR_MEMINFO or MULTIBOOT_HDR_VIDEO
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struc MultibootHeader addr
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{
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.magic dd MULTIBOOT_HDR_MAGIC
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.flags dd MULTIBOOT_FLAGS
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.checksum dd -(MULTIBOOT_HDR_MAGIC + MULTIBOOT_FLAGS)
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||||
|
||||
; address fields (we'll just skip them)
|
||||
.header_addr dd addr
|
||||
.load_addr dd STAGE1_BASE
|
||||
.load_end_addr dd _edata - STAGE1_BASE
|
||||
.bss_end_addr dd _end - STAGE1_BASE
|
||||
.entry_addr dd _start
|
||||
|
||||
; Video mode
|
||||
.mode_type dd 0x0
|
||||
.width dd VIDEO_WIDTH
|
||||
.height dd VIDEO_HEIGHT
|
||||
.depth dd VIDEO_DEPTH
|
||||
}
|
||||
|
||||
struc MultibootData
|
||||
{
|
||||
.flags dd ?
|
||||
|
||||
; if flags[0] is set
|
||||
.mem_lower dd ?
|
||||
.mem_upper dd ?
|
||||
|
||||
; if flags[1] is set
|
||||
.boot_device dd ?
|
||||
|
||||
; if flags[2] is set
|
||||
.cmdline dd ?
|
||||
|
||||
; if flags[3] is set
|
||||
.mods_count dd ?
|
||||
.mods_addr dd ?
|
||||
|
||||
; if flags[4] is set
|
||||
.syms dd 4 dup ?
|
||||
|
||||
; if flags[6] is set
|
||||
.mmap_length dd ?
|
||||
.mmap_addr dd ?
|
||||
|
||||
; if flags[7] is set
|
||||
.drives_length dd ?
|
||||
.drives_addr dd ?
|
||||
|
||||
; if flags[8] is set
|
||||
.config_table dd ?
|
||||
|
||||
; if flags[9] is set
|
||||
.bootloader_name dd ?
|
||||
|
||||
; if flags[10] is set
|
||||
.apm_table dd ?
|
||||
|
||||
; if flags[11] is set
|
||||
.vbe_control_info dd ?
|
||||
.vbe_mode_info dd ?
|
||||
.vbe_mode dw ?
|
||||
.vbe_if_seg dw ?
|
||||
.vbe_if_off dw ?
|
||||
.vbe_if_length dw ?
|
||||
|
||||
; if flags[12] is set
|
||||
.fb_addr dq ?
|
||||
.fb_pitch dd ?
|
||||
.fb_width dd ?
|
||||
.fb_height dd ?
|
||||
.fb_bpp db ?
|
||||
.fb_type db ?
|
||||
.fb_misc dw 3 dup ?
|
||||
}
|
||||
|
||||
MULTIBOOT_DATA_MEM = 0x0001
|
||||
MULTIBOOT_DATA_BOOTDEV = 0x0002
|
||||
MULTIBOOT_DATA_CMDLINE = 0x0004
|
||||
MULTIBOOT_DATA_MODULES = 0x0008
|
||||
MULTIBOOT_DATA_MMAP = 0x0040
|
||||
MULTIBOOT_DATA_DRIVES = 0x0080
|
||||
MULTIBOOT_DATA_BOOTLOADER_NAME = 0x0200
|
||||
MULTIBOOT_DATA_VBE = 0x0800
|
||||
MULTIBOOT_DATA_FB = 0x1000
|
||||
|
||||
struc MultibootMMap
|
||||
{
|
||||
.size dd ?
|
||||
.addr dq ?
|
||||
.length dq ?
|
||||
.type dd ?
|
||||
}
|
||||
|
||||
MULTIBOOT_MEMORY_AVAILABLE = 0x1
|
||||
MULTIBOOT_MEMORY_RESERVED = 0x2
|
||||
MULTIBOOT_MEMORY_ACPI = 0x3
|
||||
MULTIBOOT_MEMORY_NVS = 0x4
|
||||
MULTIBOOT_MEMORY_BADPARAM = 0x5
|
||||
MULTIBOOT_HDR_MAGIC = 0x1BADB002
|
||||
MULTIBOOT_MAGIC = 0x2BADB002
|
||||
|
||||
MULTIBOOT_HDR_ALIGN = 0x1
|
||||
MULTIBOOT_HDR_MEMINFO = 0x2
|
||||
MULTIBOOT_HDR_VIDEO = 0x4
|
||||
MULTIBOOT_HDR_AOUT_KLUDGE = 0x10000
|
||||
MULTIBOOT_FLAGS = MULTIBOOT_HDR_ALIGN or MULTIBOOT_HDR_MEMINFO or MULTIBOOT_HDR_VIDEO or MULTIBOOT_HDR_AOUT_KLUDGE
|
||||
|
||||
struc MultibootHeader addr
|
||||
{
|
||||
.magic dd MULTIBOOT_HDR_MAGIC
|
||||
.flags dd MULTIBOOT_FLAGS
|
||||
.checksum dd -(MULTIBOOT_HDR_MAGIC + MULTIBOOT_FLAGS)
|
||||
|
||||
; address fields (we'll just skip them)
|
||||
.header_addr dd addr
|
||||
.load_addr dd STAGE1_BASE
|
||||
.load_end_addr dd _edata
|
||||
.bss_end_addr dd _end
|
||||
.entry_addr dd _start
|
||||
|
||||
; Video mode
|
||||
.mode_type dd 0x0
|
||||
.width dd VIDEO_WIDTH
|
||||
.height dd VIDEO_HEIGHT
|
||||
.depth dd VIDEO_DEPTH
|
||||
}
|
||||
|
||||
struc MultibootData
|
||||
{
|
||||
.flags dd ?
|
||||
|
||||
; if flags[0] is set
|
||||
.mem_lower dd ?
|
||||
.mem_upper dd ?
|
||||
|
||||
; if flags[1] is set
|
||||
.boot_device dd ?
|
||||
|
||||
; if flags[2] is set
|
||||
.cmdline dd ?
|
||||
|
||||
; if flags[3] is set
|
||||
.mods_count dd ?
|
||||
.mods_addr dd ?
|
||||
|
||||
; if flags[4] is set
|
||||
.syms dd 4 dup ?
|
||||
|
||||
; if flags[6] is set
|
||||
.mmap_length dd ?
|
||||
.mmap_addr dd ?
|
||||
|
||||
; if flags[7] is set
|
||||
.drives_length dd ?
|
||||
.drives_addr dd ?
|
||||
|
||||
; if flags[8] is set
|
||||
.config_table dd ?
|
||||
|
||||
; if flags[9] is set
|
||||
.bootloader_name dd ?
|
||||
|
||||
; if flags[10] is set
|
||||
.apm_table dd ?
|
||||
|
||||
; if flags[11] is set
|
||||
.vbe_control_info dd ?
|
||||
.vbe_mode_info dd ?
|
||||
.vbe_mode dw ?
|
||||
.vbe_if_seg dw ?
|
||||
.vbe_if_off dw ?
|
||||
.vbe_if_length dw ?
|
||||
|
||||
; if flags[12] is set
|
||||
.fb_addr dq ?
|
||||
.fb_pitch dd ?
|
||||
.fb_width dd ?
|
||||
.fb_height dd ?
|
||||
.fb_bpp db ?
|
||||
.fb_type db ?
|
||||
.fb_misc dw 3 dup ?
|
||||
}
|
||||
|
||||
MULTIBOOT_DATA_MEM = 0x0001
|
||||
MULTIBOOT_DATA_BOOTDEV = 0x0002
|
||||
MULTIBOOT_DATA_CMDLINE = 0x0004
|
||||
MULTIBOOT_DATA_MODULES = 0x0008
|
||||
MULTIBOOT_DATA_MMAP = 0x0040
|
||||
MULTIBOOT_DATA_DRIVES = 0x0080
|
||||
MULTIBOOT_DATA_BOOTLOADER_NAME = 0x0200
|
||||
MULTIBOOT_DATA_VBE = 0x0800
|
||||
MULTIBOOT_DATA_FB = 0x1000
|
||||
|
||||
struc MultibootMMap
|
||||
{
|
||||
.size dd ?
|
||||
.addr dq ?
|
||||
.length dq ?
|
||||
.type dd ?
|
||||
}
|
||||
|
||||
MULTIBOOT_MEMORY_AVAILABLE = 0x1
|
||||
MULTIBOOT_MEMORY_RESERVED = 0x2
|
||||
MULTIBOOT_MEMORY_ACPI = 0x3
|
||||
MULTIBOOT_MEMORY_NVS = 0x4
|
||||
MULTIBOOT_MEMORY_BADPARAM = 0x5
|
||||
|
|
|
|||
|
|
@ -8,7 +8,8 @@ set default=0
|
|||
menuentry "StupidOS" {
|
||||
echo "verify system integrity"
|
||||
hashsum --hash sha256 --check /boot/hashfile --prefix /
|
||||
multiboot /vmstupid
|
||||
multiboot /stpdboot.sys
|
||||
module /vmstupid.sys
|
||||
boot
|
||||
}
|
||||
|
||||
|
|
@ -18,7 +19,10 @@ EOF
|
|||
gen_iso_file() {
|
||||
mkdir -p "$2/boot/grub"
|
||||
echo "$grub_config" > "$2/boot/grub/grub.cfg"
|
||||
sha256sum "$2/vmstupid" > "$2/boot/hashfile"
|
||||
sha256sum "$2/vmstupid.sys" > "$2/boot/hashfile"
|
||||
sha256sum "$2/stpdboot.sys" >> "$2/boot/hashfile"
|
||||
|
||||
grub-file --is-x86-multiboot "$2/stpdboot.sys" || exit 1
|
||||
|
||||
grub-mkrescue -o $1 $2
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue