Add back these functions since clang will use them. This reverts "libs/libc/arm: use builtin routines instead of aliases of __aeabi_mem*" and adds source files to cmake. Signed-off-by: chenxiaoyi <chenxiaoyi@xiaomi.com>
Signed-off-by: chao an <anchao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
specified here: https://developer.arm.com/documentation/ihi0043/latest Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>