bcd9835020
Support smp for softkernel. Support userland interrupt handler by using ipc. Assure that interrupt is close in kernel and one thread kernel state. Support userland dynamic memory allocation. Move elf image reader to usyscall level. Support blocking task in ipc procedure. Split free physical memory to kernel usage and userland usage. Support killing a other task, but will only freeing a task while it’s not in running state from Tuyuyang
88ded7ca16
Merge branch 'prepare_for_master' of https://gitlink.org.cn/xuos/xiuos into prepare_for_master