摘要： [root@centos7 aarch64-bare-metal-qemu]# cat libc.s /* Output "Hello world!" to standard output. For Aarch64 (ARM64) architecture with GNU assembler, u 阅读全文

摘要： System calls Sometimes it is necessary for software to request a function from a more privileged entity. This might happen when, for example, an appli 阅读全文

摘要： [root@centos7 aarch64-bare-metal-qemu]# gcc -c test64.c -o test64.o [root@centos7 aarch64-bare-metal-qemu]# as -c startup64.s -o startup64.o [root@cen 阅读全文