Imagelibrary/mini-riscv-os
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mini-riscv-os/03-MultiTasking/README.md
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04-MultiTasking

Build & Run

user@DESKTOP-96FRN6B MINGW64 /d/ccc109/sp/11-os/mini-riscv-os/04-MultiTasking (master)     
$ make clean
rm -f *.elf

user@DESKTOP-96FRN6B MINGW64 /d/ccc109/sp/11-os/mini-riscv-os/04-MultiTasking (master)     
$ make
riscv64-unknown-elf-gcc -nostdlib -fno-builtin -mcmodel=medany -march=rv32ima -mabi=ilp32 -T os.ld -o os.elf start.s sys.s lib.c task.c os.c user.c

user@DESKTOP-96FRN6B MINGW64 /d/ccc109/sp/11-os/mini-riscv-os/04-MultiTasking (master)     
$ make qemu
Press Ctrl-A and then X to exit QEMU
qemu-system-riscv32 -nographic -smp 4 -machine virt -bios none -kernel os.elf
OS start
OS: Activate next task
Task0: Created!
Task0: Now, return to kernel mode
OS: Back to OS

OS: Activate next task
Task1: Created!
Task1: Now, return to kernel mode
OS: Back to OS

OS: Activate next task
Task0: Running...
OS: Back to OS

OS: Activate next task
Task1: Running...
OS: Back to OS

OS: Activate next task
Task0: Running...
OS: Back to OS

OS: Activate next task
Task1: Running...
OS: Back to OS

OS: Activate next task
Task0: Running...
OS: Back to OS

OS: Activate next task
Task1: Running...
OS: Back to OS

OS: Activate next task
Task0: Running...
QEMU: Terminated