add amd64 info
Merge branch 'chenyh/amd64' of github.com:chyyuu/ucore_plus into chenyh/amd64
Merge branch 'chenyh/amd64' of github.com:chyyuu/ucore_plus into chenyh/amd64
Merge branch 'chenyh/amd64' of github.com:chyyuu/ucore_plus into chenyh/amd64
Add related information for NUMA HAL design

Signed-off-by: Junjie Mao <eternal.n08@gmail.com>
add doc about acpica
Merge branch 'amd64-smp' of github.com:chyyuu/ucore_plus into amd64-smp
Merge branch 'mjj/refactor' of github.com:eternalNight/ucore_plus-next into mjj/refactor
Makefile::add tags run option; src/kern-ucore/mm/vmm.[ch]:: fix bug in find_vma, find_vma_rb functions, and update check_vma_struct funciton
Makefile:add runsmp option
Boot APs

Now the AP spins after boot-up. Share pagetable with BSP.
XXX: longmode_ap_entry  will raise #GP if stack > 1GB (only map 1G in boot pgd)
Merge branch 'chenyh/amd64' of github.com:chyyuu/ucore_plus into chenyh/amd64
Merge branch 'chenyh/amd64' into amd64-smp
add sys_halt syscall and  user app: halt.c. So in qemu-no-graphic mode, we can exec halt to quit the qemu environment. USE  make runamd64 ; update out info for e820map and pagetable
Makefile: add kvmamd64 kvmamd64smp option
Merge branch 'mjj/amd64' into amd64-smp
update .gitignore
check the autotest's results: 4 tests failed. fix testspec for 'brktest' and 'semtest'. the 'piptest' may have bug in pipe read/write, the 'primer' may correct, but the performance has some problem. Now only 2 tests 'pipetest'and 'primer'failed
Merge branch 'mjj/amd64' into amd64-smp
fix compile bug for ARM