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Preemptive OS
License: Other
This project forked from soyjun/sbu-os-proj
Preemptive OS
License: Other
JUN ZENG P.S. (1) The display of time since boot is located in lower-right corner; (2) The display of the last pressed glyph is located in lower-left corner. The provided Makefile: 1) builds a kernel 2) copies it into rootfs/boot/kernel/kernel 3) creates an ISO CD image with the rootfs/ contents To boot the system in QEMU, run: qemu-system-x86_64 -curses -cdrom $USER.iso -drive id=disk,file=$USER.img,if=none -device ahci,id=ahci -device ide-drive,drive=disk,bus=ahci.0 -net nic -net user,hostfwd=tcp::10080-:80 -net user,hostfwd=tcp::10023-:23 --no-reboot -gdb tcp::9998 Explanation of parameters: -curses use a text console (omit this to use default SDL/VNC console) -cdrom x.iso connect a CD-ROM and insert CD with x.iso disk --no-reboot exit when guest reboots -gdb tcp::9998 listen for "remote" debugging connections on port 9998 connect a hard drive with x.img disk: -drive id=disk,file=$USER.img,if=none -device ahci,id=ahci -device ide-drive,drive=disk,bus=ahci.0 connect a NIC and forward local port 10080 into port 80 and local port 10023 to port 23 -net nic -net user,hostfwd=tcp::10080-:80 -net user,hostfwd=tcp::10023-:23 When using the -curses mode, switch to the qemu> console with ESC-2. To connect a remote debugger to the running qemu VM: gdb ./kernel target remote localhost:9998
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